update version to 3.4.0

http: check for cb in async_read_until
storage: remove previous value size from quota when appropriate
2026-11-08 20:37:23 +00:00 · 2025-05-22 12:05:31 -04:00 · 2025-05-22 11:53:05 -04:00 · 2025-05-22 11:53:05 -04:00 · 2025-05-20 21:55:04 -04:00 · 2025-05-19 23:57:09 -04:00
148 changed files with 3510 additions and 2180 deletions
@@ -1,92 +1,156 @@
 name: C/C++ CI

+env:
+  LLHTTP_VERSION: "v9.2.1"
+  RESTINIO_VERSION: "0.7.6"
+  EXPECTED_LITE_URL: "https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp"
+  UBUNTU_FULL_DEPS: "libncurses5-dev libreadline-dev nettle-dev libasio-dev libgnutls28-dev libuv1-dev python3-pip python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev autotools-dev autoconf libfmt-dev libmsgpack-dev libargon2-dev"
+  UBUNTU_MESON_DEPS: "ninja-build libncurses5-dev libreadline-dev nettle-dev libasio-dev libgnutls28-dev libuv1-dev python3-dev python3-setuptools python3-pip libcppunit-dev libjsoncpp-dev libfmt-dev libmsgpack-dev libargon2-dev"
+  UBUNTU_MINIMAL_DEPS: "libncurses5-dev libreadline-dev nettle-dev libfmt-dev libgnutls28-dev libcppunit-dev libmsgpack-dev libargon2-dev"
+
 on: [push, pull_request]

 jobs:
  build-ubuntu:
-    name: Ubuntu/GCC autotools build
+    name: Ubuntu/GCC Autotools build
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/checkout@v3
-    - name: Dependencies
-      run: |
-        sudo apt install libncurses5-dev libreadline-dev nettle-dev libasio-dev \
-        libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
-        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libargon2-0-dev
-    - name: Configure
-      run: |
-        ./autogen.sh
-        ./configure
-    - name: Build
-      run: make
+      - uses: actions/checkout@v4
+
+      - name: Install Dependencies
+        run: |
+          echo "Installing Ubuntu full dependencies:"
+          sudo apt-get update
+          sudo apt-get install -y $UBUNTU_FULL_DEPS
+
+      - name: Install Cython
+        run: sudo pip3 install Cython
+
+      - name: Build llhttp dependency
+        run: |
+          mkdir llhttp
+          wget "https://github.com/nodejs/llhttp/archive/refs/tags/release/${LLHTTP_VERSION}.tar.gz" -O llhttp.tar.gz
+          tar -xzf llhttp.tar.gz -C llhttp --strip-components=1
+          cd llhttp && cmake -DCMAKE_INSTALL_PREFIX=/usr . && make -j2 && sudo make install
+          cd ../ && rm -rf llhttp*
+
+      - name: Install expected-lite header
+        run: |
+          sudo mkdir -p /usr/local/include/nonstd
+          sudo wget "${EXPECTED_LITE_URL}" -O /usr/local/include/nonstd/expected.hpp
+
+      - name: Build restinio dependency
+        run: |
+          mkdir restinio && cd restinio
+          wget "https://github.com/Stiffstream/restinio/releases/download/v${RESTINIO_VERSION}/restinio-${RESTINIO_VERSION}.tar.bz2"
+          tar -xjf restinio-${RESTINIO_VERSION}.tar.bz2
+          cd restinio-${RESTINIO_VERSION}/dev
+          cmake -DCMAKE_INSTALL_PREFIX=/usr/local \
+                -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+                -DRESTINIO_WITH_SOBJECTIZER=Off \
+                -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+                -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system .
+          sudo make install
+          cd ../../ && rm -rf restinio*
+
+      - name: Configure project
+        run: |
+          ./autogen.sh
+          ./configure --enable-proxy-client
+
+      - name: Build
+        run: make

  build-ubuntu-meson:
    name: Ubuntu/GCC Meson build
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/checkout@v3
-    - name: Dependencies
-      run: |
-        sudo apt install meson ninja-build libncurses5-dev libreadline-dev nettle-dev libasio-dev \
-        libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
-        libfmt-dev libhttp-parser-dev libmsgpack-dev libargon2-0-dev
-    - name: Configure
-      run: meson setup build .
-    - name: Build
-      run: cd build && ninja
+      - uses: actions/checkout@v4
+
+      - name: Install Dependencies
+        run: |
+          echo "Installing Ubuntu meson dependencies:"
+          sudo apt update
+          sudo apt install -y $UBUNTU_MESON_DEPS
+
+      - name: Install Python dependencies
+        run: sudo pip3 install meson Cython
+
+      - name: Configure with Meson
+        run: meson setup build .
+
+      - name: Build with Ninja
+        run: cd build && ninja

  build-ubuntu-minimal:
    name: Ubuntu/GCC minimal build
    runs-on: ubuntu-latest
    steps:
-    - uses: actions/checkout@v3
-    - name: Dependencies
-      run: |
-        sudo apt install libncurses5-dev libreadline-dev nettle-dev \
-        libgnutls28-dev libcppunit-dev libmsgpack-dev libargon2-0-dev
-    - name: Configure
-      run: |
-        mkdir build && cd build
-        cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Debug \
-                 -DOPENDHT_C=Off -DOPENDHT_TESTS=On -DOPENDHT_PEER_DISCOVERY=Off -DOPENDHT_PYTHON=Off \
-                 -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=Off -DOPENDHT_PROXY_CLIENT=Off
-    - name: Build
-      run: cd build && make
-    - name: Unit tests
-      run: cd build && ./opendht_unit_tests
+      - uses: actions/checkout@v4
+
+      - name: Install Minimal Dependencies
+        run: |
+          echo "Installing Ubuntu minimal dependencies:"
+          sudo apt-get update
+          sudo apt-get install -y $UBUNTU_MINIMAL_DEPS
+
+      - name: Configure project with CMake
+        run: |
+          mkdir build && cd build
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local \
+                   -DCMAKE_BUILD_TYPE=Debug \
+                   -DOPENDHT_C=Off -DBUILD_TESTING=On \
+                   -DOPENDHT_PEER_DISCOVERY=Off -DOPENDHT_PYTHON=Off \
+                   -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=Off -DOPENDHT_PROXY_CLIENT=Off
+
+      - name: Build
+        run: cd build && make
+
+      - name: Run Unit tests
+        run: cd build && ./opendht_unit_tests

  build-macos:
    name: macOS/Clang build
-    runs-on: macos-11
+    runs-on: macos-15
    steps:
-    - uses: actions/checkout@v3
-    - name: Dependencies
-      run: |
-        brew install msgpack-cxx asio gnutls nettle readline fmt jsoncpp argon2 openssl http-parser cppunit
+      - uses: actions/checkout@v4

-    - name: restinio
-      run: |
-        mkdir restinio && cd restinio
-        wget https://github.com/aberaud/restinio/archive/bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz
-        ls -l && tar -xzf bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz
-        cd restinio-bbaa034dbcc7555ce67df0f8a1475591a7441733/dev
-        cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-                -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-                -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none .
-        make -j8 && sudo make install
-        cd ../../.. && rm -rf restinio
+      - name: Install Homebrew Dependencies
+        run: brew install msgpack-cxx asio gnutls nettle readline fmt jsoncpp argon2 openssl cppunit

-    - name: Configure
-      run: |
-        mkdir build && cd build
-        export PATH="/opt/homebrew/opt/openssl@3/bin:$PATH"
-        export LDFLAGS="-L/usr/local/opt/openssl@3/lib"
-        export CPPFLAGS="-I/usr/local/opt/openssl@3/include"
-        export PKG_CONFIG_PATH="/usr/local/opt/openssl@3/lib/pkgconfig"
-        cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Debug \
-                 -DOPENDHT_C=On -DOPENDHT_TESTS=On -DOPENDHT_PEER_DISCOVERY=On -DOPENDHT_PYTHON=Off \
-                 -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=On -DOPENDHT_PROXY_CLIENT=On -DOPENDHT_PUSH_NOTIFICATIONS=On
+      - name: Install expected-lite header
+        run: |
+          sudo mkdir -p /usr/local/include/nonstd
+          sudo wget "${EXPECTED_LITE_URL}" -O /usr/local/include/nonstd/expected.hpp

-    - name: Build
-      run: cd build && make
+      - name: Build restinio dependency
+        run: |
+          mkdir restinio && cd restinio
+          wget "https://github.com/Stiffstream/restinio/releases/download/v${RESTINIO_VERSION}/restinio-${RESTINIO_VERSION}.tar.bz2"
+          tar -xjf restinio-${RESTINIO_VERSION}.tar.bz2
+          cd restinio-${RESTINIO_VERSION}/dev
+          cmake -DCMAKE_INSTALL_PREFIX=/usr/local \
+                -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+                -DRESTINIO_WITH_SOBJECTIZER=Off \
+                -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+                -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system .
+          make -j2 && sudo make install
+          cd ../../ && rm -rf restinio*

+      - name: Configure project with CMake
+        run: |
+          mkdir build && cd build
+          # Set Homebrew OpenSSL paths
+          export PATH="/opt/homebrew/opt/openssl@3/bin:$PATH"
+          export LDFLAGS="-L/usr/local/opt/openssl@3/lib"
+          export CPPFLAGS="-I/usr/local/opt/openssl@3/include"
+          export PKG_CONFIG_PATH="/usr/local/opt/openssl@3/lib/pkgconfig"
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local \
+                   -DCMAKE_BUILD_TYPE=Debug \
+                   -DOPENDHT_C=On -DBUILD_TESTING=On \
+                   -DOPENDHT_PEER_DISCOVERY=On -DOPENDHT_PYTHON=Off \
+                   -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=On \
+                   -DOPENDHT_PROXY_CLIENT=On -DOPENDHT_PUSH_NOTIFICATIONS=On
+
+      - name: Build
+        run: cd build && make
@@ -6,26 +6,33 @@ jobs:
    name: Clang Static Analysis
    runs-on: ubuntu-latest
    steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
      - name: deps
        run: |
+          sudo apt update && \
          sudo apt install libncurses5-dev libreadline-dev nettle-dev \
-          libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
-          autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libargon2-0-dev libasio-dev \
+          libgnutls28-dev libuv1-dev python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
+          autotools-dev autoconf libfmt-dev libmsgpack-dev libargon2-dev libasio-dev \
          llvm llvm-dev clang clang-tools && \
          sudo apt remove gcc g++

+      - name: expected-lite
+        run: |
+          sudo mkdir /usr/include/nonstd && \
+          sudo wget https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp \
+            -O /usr/include/nonstd/expected.hpp
+
      - name: restinio
        run: |
-          mkdir restinio && cd restinio \
-          && wget https://github.com/aberaud/restinio/archive/bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-          && ls -l && tar -xzf bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-          && cd restinio-bbaa034dbcc7555ce67df0f8a1475591a7441733/dev \
-          && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-                  -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-                  -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
-          && make -j8 && sudo make install \
-          && cd ../../.. && rm -rf restinio
+          mkdir restinio && cd restinio
+          wget https://github.com/Stiffstream/restinio/releases/download/v.0.7.3/restinio-0.7.3.tar.bz2
+          ls -l && tar -xjf restinio-0.7.3.tar.bz2
+          cd restinio-0.7.3/dev
+          cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+                  -DRESTINIO_WITH_SOBJECTIZER=Off -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+                  -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system .
+          make -j2 && sudo make install
+          cd ../../ && rm -rf restinio*

      - name: cmake
        run: |
@@ -26,7 +26,7 @@ jobs:

    steps:
    - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
@@ -25,10 +25,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -36,12 +36,12 @@ jobs:

      - name: Extract metadata (tags, labels) for Docker
        id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_DEPS }}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/DockerfileDeps
@@ -58,10 +58,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -69,13 +69,13 @@ jobs:

      - name: Extract metadata (tags, labels) for Docker
        id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/Dockerfile
@@ -92,10 +92,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -103,12 +103,12 @@ jobs:

      - name: Extract metadata (tags, labels) for Docker
        id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_DEPS_LLVM }}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/DockerfileDepsLlvm
@@ -125,10 +125,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -136,13 +136,13 @@ jobs:

      - name: Extract metadata (tags, labels) for Docker
        id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_LLVM }}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/DockerfileLlvm
@@ -159,10 +159,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -170,13 +170,13 @@ jobs:

      - name: Extract metadata (tags, labels) for Docker
        id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_DHTNODE }}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/DockerfileDhtnode
@@ -193,10 +193,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -204,16 +204,16 @@ jobs:

      - name: Extract metadata (tags, labels) for Docker
        id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_ALPINE_DEPS }}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
        with:
          context: .
-          file: docker/DockerfileAlpineDeps
+          file: docker/DockerfileDepsAlpine
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
@@ -227,10 +227,10 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: Log in to the Container registry
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
@@ -238,13 +238,13 @@ jobs:

      - name: Extract metadata (tags, labels) for Docker
        id: meta
-        uses: docker/metadata-action@v4
+        uses: docker/metadata-action@v5
        with:
          images: |
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_ALPINE }}

      - name: Build and push Docker image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
        with:
          context: .
          file: docker/DockerfileAlpine
@@ -262,7 +262,7 @@ jobs:

    steps:
      - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4

      - name: cmake
        run: |
@@ -280,14 +280,14 @@ jobs:
      - name: build
        run: cd build && make dist

-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
        with:
          name: opendht-wheels-linux
          path: build/python/dist/*.whl

      - name: Create Release
        id: create_release
-        uses: softprops/action-gh-release@v1
+        uses: softprops/action-gh-release@v2
        with:
          draft: true
          files: build/python/dist/*.whl
@@ -22,10 +22,10 @@
                "${workspaceRoot}",
                "-DCMAKE_EXPORT_COMPILE_COMMANDS=On",
                "-DCMAKE_BUILD_TYPE=Debug",
+                "-DBUILD_TESTING=On",
                "-DOPENDHT_SANITIZE=On",
                "-DOPENDHT_PROXY_CLIENT=On",
                "-DOPENDHT_PROXY_SERVER=On",
-                "-DOPENDHT_TESTS=On",
                "-DOPENDHT_C=On"
            ],
            "dependsOn": "builddir"
@@ -1,9 +1,6 @@
-cmake_minimum_required (VERSION 3.10..3.20)
-if(POLICY CMP0073)
-  cmake_policy(SET CMP0073 NEW)
-endif()
-if(POLICY CMP0074)
-  cmake_policy(SET CMP0074 NEW)
+cmake_minimum_required (VERSION 3.16..3.31)
+if(POLICY CMP0135)
+  cmake_policy(SET CMP0135 NEW)
 endif()
 project (opendht)

@@ -13,9 +10,10 @@ include(CheckIncludeFileCXX)
 include(FindPkgConfig)
 include(cmake/CheckAtomic.cmake)
 include(CTest)
+include(FetchContent)

-set (opendht_VERSION_MAJOR 2)
-set (opendht_VERSION_MINOR 5.0)
+set (opendht_VERSION_MAJOR 3)
+set (opendht_VERSION_MINOR 4.0)
 set (opendht_VERSION ${opendht_VERSION_MAJOR}.${opendht_VERSION_MINOR})
 set (PACKAGE_VERSION ${opendht_VERSION})
 set (VERSION "${opendht_VERSION}")
@@ -23,7 +21,6 @@ set (VERSION "${opendht_VERSION}")
 # Options
 option (BUILD_SHARED_LIBS "Build shared library" ON)
 CMAKE_DEPENDENT_OPTION (OPENDHT_STATIC "Build static library" OFF BUILD_SHARED_LIBS ON)
-option (OPENDHT_LOG "Build with logs" ON)
 option (OPENDHT_PYTHON "Build Python bindings" OFF)
 option (OPENDHT_TOOLS "Build DHT tools" ON)
 option (OPENDHT_SYSTEMD "Install systemd module" OFF)
@@ -36,6 +33,7 @@ option (OPENDHT_PROXY_CLIENT "Enable DHT proxy client, use Restinio and jsoncpp"
 option (OPENDHT_PROXY_OPENSSL "Build DHT proxy with OpenSSL" ON)
 CMAKE_DEPENDENT_OPTION(OPENDHT_HTTP "Build embedded http(s) client" OFF "NOT OPENDHT_PROXY_SERVER;NOT OPENDHT_PROXY_CLIENT" ON)
 option (OPENDHT_PEER_DISCOVERY "Enable multicast peer discovery" ON)
+option (OPENDHT_IO_URING "Use io_uring if available on the system (Linux only)" OFF)
 option (OPENDHT_INDEX "Build DHT indexation feature" OFF)
 option (OPENDHT_TESTS_NETWORK "Enable unit tests that require network access" ON)
 option (OPENDHT_C "Build C bindings" OFF)
@@ -48,7 +46,9 @@ set (CMAKE_CXX_STANDARD 17)
 set (CMAKE_CXX_STANDARD_REQUIRED on)

 # Dependencies
-if (NOT HAVE_CXX_ATOMICS_WITHOUT_LIB)
+if (NOT HAVE_CXX_ATOMICS_WITHOUT_LIB
+        # For ARM EABI (armel), little-endian MIPS (mipsel), etc.
+        OR NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
    link_libraries (atomic)
 endif ()

@@ -61,7 +61,13 @@ if (NOT MSVC)
    pkg_search_module (Nettle REQUIRED IMPORTED_TARGET nettle)
    check_include_file_cxx(msgpack.hpp HAVE_MSGPACKCXX)
    if (NOT HAVE_MSGPACKCXX)
-        find_package (msgpack REQUIRED CONFIG)
+        find_package(msgpack QUIET CONFIG NAMES msgpack msgpackc-cxx)
+        if (NOT msgpack_FOUND)
+            find_package(msgpack REQUIRED CONFIG NAMES msgpack-cxx)
+            set(MSGPACK_TARGET "msgpack-cxx")
+        else()
+            set(MSGPACK_TARGET "msgpackc-cxx")
+        endif()
    endif()
    if (OPENDHT_TOOLS)
        find_package (Readline 6 REQUIRED)
@@ -80,15 +86,50 @@ if (NOT MSVC)

    if (OPENDHT_HTTP OR OPENDHT_PEER_DISCOVERY)
        find_path(ASIO_INCLUDE_DIR asio.hpp REQUIRED)
+        message(STATUS "Found ASIO ${ASIO_INCLUDE_DIR}")
+    else()
+        message(STATUS "ASIO not required")
    endif ()

+    find_package(fmt)
+
    if (OPENDHT_HTTP)
        find_package(Restinio REQUIRED)
-        find_library(FMT_LIBRARY fmt)
-        add_library(fmt SHARED IMPORTED)
-        find_library(HTTP_PARSER_LIBRARY http_parser)
-        add_library(http_parser SHARED IMPORTED)
-        set(http_parser_lib "-lhttp_parser")
+
+        # llhttp
+        pkg_search_module(LLHTTP IMPORTED_TARGET llhttp libllhttp)
+        if (LLHTTP_FOUND)
+            message(STATUS "Found llhttp ${LLHTTP_INCLUDE_DIRS}")
+            set(llhttp_target PkgConfig::LLHTTP)
+        else()
+            find_path(LLHTTP_INCLUDE_DIR llhttp.h)
+            find_library(LLHTTP_LIBRARY NAMES llhttp libllhttp)
+            if (LLHTTP_INCLUDE_DIR AND LLHTTP_LIBRARY)
+                message(STATUS "Found llhttp ${LLHTTP_INCLUDE_DIR} ${LLHTTP_LIBRARY}")
+                add_library(llhttp_static STATIC IMPORTED)
+                set_target_properties(llhttp_static PROPERTIES
+                    IMPORTED_LOCATION ${LLHTTP_LIBRARY}
+                    INTERFACE_INCLUDE_DIRECTORIES ${LLHTTP_INCLUDE_DIR}
+                )
+                set(llhttp_target llhttp_static)
+            else()
+                FetchContent_Declare(llhttp-local URL "https://github.com/nodejs/llhttp/archive/refs/tags/release/v9.2.1.tar.gz")
+                if (BUILD_SHARED_LIBS)
+                    set(BUILD_SHARED_LIBS ON CACHE INTERNAL "")
+                else()
+                    set(BUILD_SHARED_LIBS OFF CACHE INTERNAL "")
+                    set(BUILD_STATIC_LIBS ON CACHE INTERNAL "")
+                endif()
+                FetchContent_MakeAvailable(llhttp-local)
+                if (BUILD_SHARED_LIBS)
+                    set(llhttp_target llhttp_shared)
+                else()
+                    set(llhttp_target llhttp_static)
+                endif()
+            endif()
+        endif()
+        set(http_lib "-lllhttp")
+
        if (NOT Jsoncpp_FOUND)
            message(SEND_ERROR "Jsoncpp is required for DHT proxy support")
        endif()
@@ -122,19 +163,23 @@ else ()
            ${WIN32_DEP_DIR}/openssl/include
            ${WIN32_DEP_DIR}/restinio/dev
            ${WIN32_DEP_DIR}/fmt/include
-            ${WIN32_DEP_DIR}/http_parser
+            ${WIN32_DEP_DIR}/llhttp/include
        )
    endif ()
 endif ()

 if (OPENDHT_HTTP OR OPENDHT_PEER_DISCOVERY)
    add_definitions(-DASIO_STANDALONE)
+    if (OPENDHT_IO_URING AND UNIX AND NOT APPLE)
+        pkg_search_module(liburing IMPORTED_TARGET liburing)
+    endif ()
 endif()

 if (NOT MSVC)
    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-return-type -Wno-deprecated -Wall -Wextra -Wnon-virtual-dtor -pedantic-errors -fvisibility=hidden")
    if (OPENDHT_SANITIZE)
        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fstack-protector-strong")
+        set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fsanitize=address -fstack-protector-strong")
    endif ()
 else ()
    add_definitions(-D_WINSOCK_DEPRECATED_NO_WARNINGS
@@ -149,11 +194,6 @@ endif ()
 set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMSGPACK_NO_BOOST -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT")

 add_definitions(-DPACKAGE_VERSION="${opendht_VERSION}")
-if (OPENDHT_LOG)
-    add_definitions(-DOPENDHT_LOG=true)
-else ()
-    add_definitions(-DOPENDHT_LOG=false)
-endif()

 if (ASIO_INCLUDE_DIR)
    include_directories (SYSTEM "${ASIO_INCLUDE_DIR}")
@@ -172,8 +212,8 @@ include_directories (
 include (GNUInstallDirs)
 set (prefix ${CMAKE_INSTALL_PREFIX})
 set (exec_prefix "\${prefix}")
-set (libdir "\${exec_prefix}/${CMAKE_INSTALL_LIBDIR}")
-set (includedir "\${prefix}/${CMAKE_INSTALL_INCLUDEDIR}")
+set (libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+set (includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
 set (bindir "${CMAKE_INSTALL_FULL_BINDIR}")
 set (sysconfdir "${CMAKE_INSTALL_FULL_SYSCONFDIR}")
 set (top_srcdir "${CMAKE_CURRENT_SOURCE_DIR}")
@@ -207,6 +247,7 @@ list (APPEND opendht_SOURCES
 )

 list (APPEND opendht_HEADERS
+    include/opendht.h
    include/opendht/def.h
    include/opendht/utils.h
    include/opendht/sockaddr.h
@@ -226,7 +267,7 @@ list (APPEND opendht_HEADERS
    include/opendht/rate_limiter.h
    include/opendht/securedht.h
    include/opendht/log.h
-    include/opendht/log_enable.h
+    include/opendht/logger.h
    include/opendht/thread_pool.h
    include/opendht/network_utils.h
    include/opendht.h
@@ -309,12 +350,12 @@ if (MSVC)
            )
            if (OPENDHT_HTTP)
                add_obj_lib (win32_fmt ${WIN32_DEP_DIR}/fmt/msvc/Release/fmt.lib)
-                add_obj_lib (win32_http_parser ${WIN32_DEP_DIR}/http_parser/x64/Release/http-parser.lib)
+                add_obj_lib (win32_llhttp ${WIN32_DEP_DIR}/llhttp/build/Release/llhttp.lib)
                add_obj_lib (win32_ssl ${WIN32_DEP_DIR}/openssl/libssl_static.lib)
                add_obj_lib (win32_crypto ${WIN32_DEP_DIR}/openssl/libcrypto_static.lib)
                list (APPEND obj_libs
                    $<TARGET_OBJECTS:win32_fmt>
-                    $<TARGET_OBJECTS:win32_http_parser>
+                    $<TARGET_OBJECTS:win32_llhttp>
                    $<TARGET_OBJECTS:win32_ssl>
                    $<TARGET_OBJECTS:win32_crypto>
                )
@@ -327,7 +368,7 @@ if (MSVC)
            )
            list (APPEND win32_Libs
                ${PROJECT_SOURCE_DIR}/../fmt/msvc/Release/fmt.lib
-                ${PROJECT_SOURCE_DIR}/../http_parser/x64/Release/http-parser.lib
+                ${PROJECT_SOURCE_DIR}/../llhttp/build/Release/llhttp.lib
                ${PROJECT_SOURCE_DIR}/../openssl/libssl.lib
                ${PROJECT_SOURCE_DIR}/../openssl/libcrypto.lib
            )
@@ -342,34 +383,43 @@ add_library (opendht
    ${obj_libs}
 )
 set_target_properties (opendht PROPERTIES OUTPUT_NAME "opendht")
-target_link_libraries(opendht
-    PRIVATE
-        PkgConfig::argon2
-        PkgConfig::Nettle
-        ${HTTP_PARSER_LIBRARY}
-    PUBLIC
-        ${CMAKE_THREAD_LIBS_INIT}
-        PkgConfig::GnuTLS
-        ${FMT_LIBRARY}
-)
+
 if (NOT HAVE_MSGPACKCXX)
-    target_link_libraries(opendht PUBLIC msgpackc-cxx)
-endif()
-if (Jsoncpp_FOUND)
-    target_link_libraries(opendht PUBLIC PkgConfig::Jsoncpp)
-endif()
-if (OPENDHT_PROXY_OPENSSL)
-    target_link_libraries(opendht PUBLIC PkgConfig::OPENSSL)
+    target_link_libraries(opendht PUBLIC ${MSGPACK_TARGET})
 endif()
 if (APPLE)
-    target_link_libraries(opendht PRIVATE SYSTEM "-framework CoreFoundation" "-framework Security")
+    target_link_libraries(opendht PRIVATE "-framework CoreFoundation" "-framework Security")
 endif()
 if (MSVC)
    if (OPENDHT_STATIC)
        target_link_libraries(opendht PUBLIC ${Win32_STATIC_LIBRARIES} ${Win32_IMPORT_LIBRARIES})
        set_target_properties (opendht PROPERTIES OUTPUT_NAME "libopendht")
    endif()
-endif ()
+else()
+    target_link_libraries(opendht
+        PRIVATE
+            PkgConfig::argon2
+            PkgConfig::Nettle
+        PUBLIC
+            ${CMAKE_THREAD_LIBS_INIT}
+            PkgConfig::GnuTLS
+            fmt::fmt
+    )
+    if (OPENDHT_HTTP)
+        target_link_libraries(opendht PUBLIC ${llhttp_target})
+    endif()
+    if (Jsoncpp_FOUND)
+        target_link_libraries(opendht PUBLIC PkgConfig::Jsoncpp)
+    endif()
+    if (OPENDHT_PROXY_OPENSSL)
+        target_link_libraries(opendht PUBLIC PkgConfig::OPENSSL)
+    endif()
+    if (OPENDHT_IO_URING AND liburing_FOUND)
+        set(iouring_lib ", liburing")
+        target_link_libraries(opendht PUBLIC PkgConfig::liburing)
+        target_compile_definitions(opendht PUBLIC ASIO_HAS_IO_URING ASIO_DISABLE_EPOLL)
+    endif()
+endif()

 if (BUILD_SHARED_LIBS)
    set_target_properties (opendht PROPERTIES IMPORT_SUFFIX "_import.lib")
@@ -426,7 +476,7 @@ install (EXPORT opendht DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/opendht FILE o
 install (FILES ${CMAKE_CURRENT_BINARY_DIR}/opendhtConfigVersion.cmake DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/opendht)

 # Unit tests
-if (BUILD_TESTING)
+if (BUILD_TESTING AND NOT MSVC)
    pkg_search_module(Cppunit REQUIRED IMPORTED_TARGET cppunit)
    # unit testing
    list (APPEND test_FILES
@@ -21,6 +21,11 @@ Values are distributed over the network, with redundancy.
 ## Documentation
 See the wiki: <https://github.com/savoirfairelinux/opendht/wiki>

+#### How to run a node
+
+You can help contributing to the public network by running a stable node with a public IP address.
+https://github.com/savoirfairelinux/opendht/wiki/Running-a-node-with-dhtnode
+
 #### How-to build and install

 Build instructions: <https://github.com/savoirfairelinux/opendht/wiki/Build-the-library>
@@ -91,17 +96,19 @@ for r in results:
 - msgpack-c 1.2+, used for data serialization.
 - GnuTLS 3.3+, used for cryptographic operations.
 - Nettle 2.4+, a GnuTLS dependency for crypto.
+- {fmt} 9.0+, for log formatting.
 - (optional) restinio used for the REST API.
+- (optional) llhttp used for the REST API.
 - (optional) jsoncpp 1.7.4-3+, used for the REST API.
 - Build tested with GCC 7+ (GNU/Linux, Windows with MinGW), Clang/LLVM (GNU/Linux, Android, macOS, iOS).
- Build tested with Microsoft Visual Studio 2017, 2019, 2022
+- Build tested with Microsoft Visual Studio 2019, 2022

 ## Contact

 IRC: join us on Libera.chat at [`#opendht`](https://web.libera.chat/#opendht).

 ## License
-Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+Copyright (C) 2014-2023 Savoir-faire Linux Inc.

 OpenDHT is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -132,8 +132,12 @@ void dht_value_set_user_type(dht_value* data, const char* user_type) {
    (*reinterpret_cast<ValueSp*>(data))->user_type = user_type;
 }

+dht_value* dht_value_with_id_new(const uint8_t* data, size_t size, uint64_t value_id) {
+    return reinterpret_cast<dht_value*>(new ValueSp(std::make_shared<dht::Value>(dht::ValueType::USER_DATA.id, data, size, value_id)));
+}
+
 dht_value* dht_value_new(const uint8_t* data, size_t size) {
-    return reinterpret_cast<dht_value*>(new ValueSp(std::make_shared<dht::Value>(data, size)));
+    return dht_value_with_id_new(data, size, 0);
 }

 dht_value* dht_value_new_from_string(const char* str) {
@@ -325,12 +329,13 @@ int dht_runner_run_config(dht_runner* r, in_port_t port, const dht_runner_config
    auto runner = reinterpret_cast<dht::DhtRunner*>(r);
    try {
        dht::DhtRunner::Config config;
-        config.dht_config.node_config.is_bootstrap = conf->dht_config.node_config.is_bootstrap;
+        config.dht_config.node_config.is_bootstrap     = conf->dht_config.node_config.is_bootstrap;
        config.dht_config.node_config.maintain_storage = conf->dht_config.node_config.maintain_storage;
-        config.dht_config.node_config.node_id = *reinterpret_cast<const dht::InfoHash*>(&conf->dht_config.node_config.node_id);
-        config.dht_config.node_config.network = conf->dht_config.node_config.network;
-        config.dht_config.node_config.persist_path = conf->dht_config.node_config.persist_path
-            ? std::string(conf->dht_config.node_config.persist_path) : std::string{};
+        config.dht_config.node_config.node_id          = *reinterpret_cast<const dht::InfoHash*>(&conf->dht_config.node_config.node_id);
+        config.dht_config.node_config.network          = conf->dht_config.node_config.network;
+        config.dht_config.node_config.persist_path     = conf->dht_config.node_config.persist_path
+                                                             ? std::string(conf->dht_config.node_config.persist_path)
+                                                             : std::string{};

        if (conf->dht_config.id.privatekey)
            config.dht_config.id.first = *reinterpret_cast<const PrivkeySp*>(conf->dht_config.id.privatekey);
@@ -338,14 +343,18 @@ int dht_runner_run_config(dht_runner* r, in_port_t port, const dht_runner_config
        if (conf->dht_config.id.certificate)
            config.dht_config.id.second = *reinterpret_cast<const CertSp*>(conf->dht_config.id.certificate);

-        config.threaded = conf->threaded;
-        config.proxy_server = conf->proxy_server ? std::string(conf->proxy_server) : std::string{};
-        config.push_node_id = conf->push_node_id ? std::string(conf->push_node_id) : std::string{};
-        config.push_token = conf->push_token ? std::string(conf->push_token) : std::string{};
-        config.push_topic = conf->push_topic ? std::string(conf->push_topic) : std::string{};
-        config.push_platform = conf->push_platform ? std::string(conf->push_platform) : std::string{};
-        config.peer_discovery = conf->peer_discovery;
-        config.peer_publish = conf->peer_publish;
+        config.threaded         = conf->threaded;
+        config.proxy_server     = conf->proxy_server ? std::string(conf->proxy_server) : std::string{};
+        config.push_node_id     = conf->push_node_id ? std::string(conf->push_node_id) : std::string{};
+        config.push_token       = conf->push_token ? std::string(conf->push_token) : std::string{};
+        config.push_topic       = conf->push_topic ? std::string(conf->push_topic) : std::string{};
+        config.push_platform    = conf->push_platform ? std::string(conf->push_platform) : std::string{};
+        config.proxy_user_agent = conf->proxy_user_agent ? std::string(conf->proxy_user_agent) : std::string{};
+        config.peer_discovery   = conf->peer_discovery;
+        config.peer_publish     = conf->peer_publish;
+        if (conf->server_ca)
+            config.server_ca    = *reinterpret_cast<const CertSp*>(conf->server_ca);
+        config.client_identity  = dht_identity_from_c(&conf->client_identity);

        dht::DhtRunner::Context context;
        if (conf->log) {
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -104,6 +104,7 @@ struct OPENDHT_C_PUBLIC dht_value;
 typedef struct dht_value dht_value;
 typedef uint64_t dht_value_id;
 OPENDHT_C_PUBLIC dht_value* dht_value_new(const uint8_t* data, size_t size);
+OPENDHT_C_PUBLIC dht_value* dht_value_with_id_new(const uint8_t* data, size_t size, uint64_t value_id);
 OPENDHT_C_PUBLIC dht_value* dht_value_new_from_string(const char* str);
 OPENDHT_C_PUBLIC dht_value* dht_value_ref(const dht_value*);
 OPENDHT_C_PUBLIC void dht_value_unref(dht_value*);
@@ -148,6 +149,7 @@ struct OPENDHT_PUBLIC dht_runner_config {
    const char* push_token;
    const char* push_topic;
    const char* push_platform;
+    const char* proxy_user_agent;
    bool peer_discovery;
    bool peer_publish;
    dht_certificate* server_ca;
@@ -49,10 +49,15 @@ elseif(LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL")
  check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITHOUT_LIB)
  # If not, check if the library exists, and atomics work with it.
  if(NOT HAVE_CXX_ATOMICS_WITHOUT_LIB)
-    list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
-    check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITH_LIB)
-    if (NOT HAVE_CXX_ATOMICS_WITH_LIB)
-      message(FATAL_ERROR "Host compiler must support std::atomic!")
+    check_library_exists(atomic __atomic_fetch_add_4 "" HAVE_LIBATOMIC)
+    if(HAVE_LIBATOMIC)
+      list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
+      check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITH_LIB)
+      if (NOT HAVE_CXX_ATOMICS_WITH_LIB)
+        message(FATAL_ERROR "Host compiler must support std::atomic!")
+      endif()
+    else()
+      #message(FATAL_ERROR "Host compiler appears to require libatomic, but cannot find it.")
    endif()
  endif()
 endif()
@@ -65,14 +70,32 @@ elseif(LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL")
  check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITHOUT_LIB)
  # If not, check if the library exists, and atomics work with it.
  if(NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
-    list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
-    check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITH_LIB)
-    if (NOT HAVE_CXX_ATOMICS64_WITH_LIB)
-      message(FATAL_ERROR "Host compiler must support 64-bit std::atomic!")
+    check_library_exists(atomic __atomic_load_8 "" HAVE_CXX_LIBATOMICS64)
+    if(HAVE_CXX_LIBATOMICS64)
+      list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
+      check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITH_LIB)
+      if (NOT HAVE_CXX_ATOMICS64_WITH_LIB)
+        message(FATAL_ERROR "Host compiler must support 64-bit std::atomic!")
+      endif()
+    else()
+      #message(FATAL_ERROR "Host compiler appears to require libatomic for 64-bit operations, but cannot find it.")
    endif()
  endif()
 endif()

+# Set variable LLVM_ATOMIC_LIB specifying flags for linking against libatomic.
+if(HAVE_CXX_ATOMICS_WITH_LIB OR HAVE_CXX_ATOMICS64_WITH_LIB)
+  # Use options --push-state, --as-needed and --pop-state if linker is known to support them.
+  # Use single option -Wl of compiler driver to avoid incorrect re-ordering of options by CMake.
+  if(LLVM_LINKER_IS_GNULD OR LLVM_LINKER_IS_GOLD OR LLVM_LINKER_IS_LLD OR LLVM_LINKER_IS_MOLD)
+    set(LLVM_ATOMIC_LIB "-Wl,--push-state,--as-needed,-latomic,--pop-state")
+  else()
+    set(LLVM_ATOMIC_LIB "-latomic")
+  endif()
+else()
+  set(LLVM_ATOMIC_LIB)
+endif()
+
 ## TODO: This define is only used for the legacy atomic operations in
 ## llvm's Atomic.h, which should be replaced.  Other code simply
 ## assumes C++11 <atomic> works.
@@ -1,6 +1,6 @@
 dnl define macros
-m4_define([opendht_major_version], 2)
-m4_define([opendht_minor_version], 5)
+m4_define([opendht_major_version], 3)
+m4_define([opendht_minor_version], 4)
 m4_define([opendht_patch_version], 0)
 m4_define([opendht_version],
 		  [opendht_major_version.opendht_minor_version.opendht_patch_version])
@@ -21,10 +21,10 @@ AS_IF([test "x$enable_debug" = "xyes"],
      [CXXFLAGS="${CXXFLAGS} -g -Og -Wno-return-type -Wall -Wextra -Wnon-virtual-dtor -Wno-deprecated -pedantic-errors"],
      [CXXFLAGS="${CXXFLAGS} -O3 -Wno-deprecated -pedantic-errors -fvisibility=hidden"])

-CPPFLAGS+=" -DOPENDHT_BUILD"
+CPPFLAGS="${CPPFLAGS} -DOPENDHT_BUILD"
 AM_CONDITIONAL([OPENDHT_SHARED], [test "x$enable_shared" != xno])
 AM_COND_IF(OPENDHT_SHARED, [
-  CPPFLAGS+=" -Dopendht_EXPORTS"
+  CPPFLAGS="${CPPFLAGS} -Dopendht_EXPORTS"
 ])

 AM_PROG_AR
@@ -34,12 +34,6 @@ AC_LANG(C++)
 AC_PROG_CXX
 AX_CXX_COMPILE_STDCXX(17,[noext],[mandatory])

-dnl Check for logs
-AC_ARG_ENABLE([logs], [AS_HELP_STRING([--disable-logs], [Disable DHT logs])])
-AS_IF([test "x$enable_logs" != "xno"], [], [
-	AC_DEFINE([OPENDHT_LOG], [false], [Define if DHT logs are disabled])
-])
-
 dnl Check for C binding
 AC_ARG_ENABLE([c], [AS_HELP_STRING([--disable-c], [Disable DHT C binding])])
 AM_CONDITIONAL(ENABLE_C, test x$enable_c != "xno")
@@ -153,7 +147,7 @@ AS_IF([test "x$with_jsoncpp" != "xno"],
      [have_jsoncpp=no])
 AS_IF([test "x$have_jsoncpp" = "xyes"], [
    AC_MSG_NOTICE([Using JsonCpp])
-    CPPFLAGS+=" -DOPENDHT_JSONCPP"
+    CPPFLAGS="${CPPFLAGS} -DOPENDHT_JSONCPP"
    AC_SUBST(jsoncpp_lib, [", jsoncpp"])
 ], [
    AC_MSG_NOTICE([Not using JsonCpp])
@@ -171,20 +165,21 @@ AS_IF([test "x$have_openssl" = "xyes"], [
    AC_MSG_NOTICE([Not using OpenSSL])
 ])

+PKG_CHECK_MODULES([Fmt], [fmt >= 5.3.0], [have_fmt=yes], [have_fmt=no])
+AS_IF([test "x$have_fmt" = "xyes"], [
+    AC_MSG_NOTICE([Using libfmt])
+], [
+    AC_MSG_NOTICE([Missing libfmt files])
+])
+
 AM_COND_IF([PROXY_CLIENT_OR_SERVER], [
    AC_CHECK_HEADERS([asio.hpp],, AC_MSG_ERROR([Missing Asio headers files]))
    CXXFLAGS="${CXXFLAGS} -DASIO_STANDALONE"
-    PKG_CHECK_MODULES([Fmt], [fmt >= 5.3.0], [have_fmt=yes], [have_fmt=no])
-    AS_IF([test "x$have_fmt" = "xyes"], [
-        AC_MSG_NOTICE([Using libfmt])
-    ], [
-        AC_MSG_NOTICE([Missing libfmt files])
-    ])
-    # http_parser has no pkgconfig, instead we check with:
-    AC_CHECK_LIB(http_parser, exit,, AC_MSG_ERROR([Missing HttpParser library files]))
-    AC_CHECK_HEADERS([http_parser.h], [http_parser_headers=yes; break;])
-    AC_SUBST(http_parser_lib, ["-lhttp_parser"])
-    AS_IF([test "x$http_parser_headers" != "xyes"], AC_MSG_ERROR([Missing HttpParser headers files]))
+    # llhttp has no pkgconfig, instead we check with:
+    AC_CHECK_LIB(llhttp, exit,, AC_MSG_ERROR([Missing llhttp library files]))
+    AC_CHECK_HEADERS([llhttp.h], [llhttp_headers=yes; break;])
+    AC_SUBST(http_lib, ["-lllhttp"])
+    AS_IF([test "x$llhttp_headers" != "xyes"], AC_MSG_ERROR([Missing llhttp headers files]))
 ])

 CXXFLAGS="${CXXFLAGS} -DMSGPACK_NO_BOOST -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT"
@@ -199,8 +194,8 @@ AM_COND_IF([ENABLE_TOOLS], [

 AM_COND_IF(ENABLE_PROXY_SERVER, AC_DEFINE([OPENDHT_PROXY_SERVER], [], [Building with proxy server]))
 AM_COND_IF(ENABLE_PROXY_CLIENT, AC_DEFINE([OPENDHT_PROXY_CLIENT], [], [Building with proxy client]))
-AM_COND_IF(ENABLE_PUSH_NOTIFICATIONS, [CPPFLAGS+=" -DOPENDHT_PUSH_NOTIFICATIONS"], [])
-AM_COND_IF(ENABLE_PROXY_SERVER_IDENTITY, [CPPFLAGS+=" -DOPENDHT_PROXY_SERVER_IDENTITY"], [])
+AM_COND_IF(ENABLE_PUSH_NOTIFICATIONS, [CPPFLAGS="${CPPFLAGS} -DOPENDHT_PUSH_NOTIFICATIONS"], [])
+AM_COND_IF(ENABLE_PROXY_SERVER_IDENTITY, [CPPFLAGS="${CPPFLAGS} -DOPENDHT_PROXY_SERVER_IDENTITY"], [])

 dnl Configure setup.py if we build the python module
 AC_SUBST(CURRENT_SOURCE_DIR, ".")
@@ -19,7 +19,7 @@
 .SH DESCRIPTION
 Runs an OpenDHT node, with a CLI (default) or as a daemon (with \fB'-d'\fP or \fB'-s'\fP).
 Commands available in the interactive shell are:
-.EE
+.EX
    h, help    Print this help message.
    q, quit    Quit the program.
    log        Start/stop printing DHT logs.
@@ -39,6 +39,7 @@ Commands available in the interactive shell are:
                          private key.
    e [key] [dest] [str]  Put string value at [key], encrypted for [dest] with
                          its public key (if found).
+.EE
 .SH OPTIONS
 .TP
 \fB\-h\fP
@@ -2,8 +2,9 @@ FROM ghcr.io/savoirfairelinux/opendht/opendht-deps:latest
 LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
 LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht

-RUN git clone https://github.com/savoirfairelinux/opendht.git \
-	&& cd opendht && mkdir build && cd build \
+COPY . opendht
+
+RUN cd opendht && mkdir build && cd build \
 	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
 				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
 				-DOPENDHT_C=On \
@@ -1,27 +1,7 @@
-FROM alpine:3.17 AS build
+FROM ghcr.io/savoirfairelinux/opendht/opendht-deps-alpine:latest AS build
 LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
 LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht

-RUN apk add --no-cache \
-        build-base cmake ninja git wget \
-        cython python3-dev py3-setuptools \
-        ncurses-dev readline-dev nettle-dev \
-        cppunit-dev gnutls-dev jsoncpp-dev \
-        argon2-dev openssl-dev fmt-dev \
-        http-parser-dev asio-dev msgpack-cxx-dev \
-    && rm -rf /var/cache/apk/*
-
-RUN echo "*** Downloading RESTinio ***" \
-    && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && tar -xzf bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && cd restinio-bbaa034dbcc7555ce67df0f8a1475591a7441733/dev \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-             -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-             -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
-    && make -j8 && make install \
-    && cd ../../.. && rm -rf restinio
-
 COPY . opendht

 RUN mkdir /install
@@ -39,7 +19,7 @@ RUN cd opendht && mkdir build && cd build \
 				-DOPENDHT_SYSTEMD=On \
 	&& make -j8 && make install

-FROM alpine:3.17 AS install
+FROM alpine:3.19 AS install
 COPY --from=build /install /
 RUN apk add --no-cache \
        libstdc++ \
@@ -48,8 +28,8 @@ RUN apk add --no-cache \
        openssl \
        argon2-dev \
        jsoncpp \
+        llhttp \
        fmt \
-        http-parser \
        readline \
        ncurses
 CMD ["dhtnode", "-b", "bootstrap.jami.net", "-p", "4222", "--proxyserver", "8080"]
@@ -1,23 +0,0 @@
-FROM alpine:3.17
-LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
-LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
-
-RUN apk add --no-cache \
-        build-base cmake ninja git wget \
-        cython python3-dev py3-setuptools \
-        ncurses-dev readline-dev nettle-dev \
-        cppunit-dev gnutls-dev jsoncpp-dev \
-        argon2-dev openssl-dev fmt-dev \
-        http-parser-dev asio-dev msgpack-cxx-dev \
-    && rm -rf /var/cache/apk/*
-
-RUN echo "*** Downloading RESTinio ***" \
-    && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && tar -xzf bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && cd restinio-bbaa034dbcc7555ce67df0f8a1475591a7441733/dev \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-             -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-             -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
-    && make -j8 && make install \
-    && cd ../../.. && rm -rf restinio
@@ -2,8 +2,9 @@ FROM ghcr.io/savoirfairelinux/opendht/opendht-deps-bionic:latest
 LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
 LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht

-RUN git clone https://github.com/savoirfairelinux/opendht.git \
-	&& cd opendht && mkdir build && cd build \
+COPY . opendht
+
+RUN cd opendht && mkdir build && cd build \
 	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
 				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
 				-DOPENDHT_C=On \
@@ -10,19 +10,25 @@ RUN apt-get update && apt-get install -y \
 RUN apt-get update && apt-get install -y \
        build-essential pkg-config cmake git wget \
        libtool autotools-dev autoconf \
-        cython3 python3-dev python3-setuptools python3-build python3-virtualenv \
+        python3-pip python3-dev python3-setuptools python3-build python3-virtualenv \
        libncurses5-dev libreadline-dev nettle-dev libcppunit-dev \
        libgnutls28-dev libuv1-dev libjsoncpp-dev libargon2-dev \
-        libssl-dev libfmt-dev libhttp-parser-dev libasio-dev libmsgpack-dev \
+        libssl-dev libfmt-dev libasio-dev libmsgpack-dev \
    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*

+RUN pip3 install meson Cython
+
+RUN mkdir /usr/include/nonstd \
+    && wget https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp \
+            -O /usr/include/nonstd/expected.hpp
+
 RUN echo "*** Downloading RESTinio ***" \
    && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && ls -l && tar -xzf bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && cd restinio-bbaa034dbcc7555ce67df0f8a1475591a7441733/dev \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-             -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-             -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
-    && make -j8 && make install \
-    && cd ../../.. && rm -rf restinio
+    && wget https://github.com/Stiffstream/restinio/releases/download/v.0.7.3/restinio-0.7.3.tar.bz2 \
+    && ls -l && tar -xjf restinio-0.7.3.tar.bz2 \
+    && cd restinio-0.7.3/dev \
+    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+             -DRESTINIO_WITH_SOBJECTIZER=Off -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+             -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system . \
+    && make -j2 && make install \
+    && cd ../../ && rm -rf restinio*
@@ -0,0 +1,27 @@
+FROM alpine:3.19
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
+
+RUN apk add --no-cache \
+        build-base cmake ninja git wget \
+        cython python3-dev py3-setuptools \
+        ncurses-dev readline-dev nettle-dev \
+        cppunit-dev gnutls-dev jsoncpp-dev \
+        argon2-dev openssl-dev fmt-dev \
+        llhttp-dev asio-dev msgpack-cxx-dev \
+    && rm -rf /var/cache/apk/*
+
+RUN mkdir /usr/include/nonstd \
+    && wget https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp \
+            -O /usr/include/nonstd/expected.hpp
+
+RUN echo "*** Downloading RESTinio ***" \
+    && mkdir restinio && cd restinio \
+    && wget https://github.com/Stiffstream/restinio/releases/download/v.0.7.3/restinio-0.7.3.tar.bz2 \
+    && ls -l && tar -xjf restinio-0.7.3.tar.bz2 \
+    && cd restinio-0.7.3/dev \
+    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+             -DRESTINIO_WITH_SOBJECTIZER=Off -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+             -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system . \
+    && make -j2 && make install \
+    && cd ../../ && rm -rf restinio*
@@ -5,12 +5,12 @@ LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendh
 RUN echo "APT::Acquire::Retries \"3\";" > /etc/apt/apt.conf.d/80-retries
 RUN apt-get update && apt-get install -y \
        apt-transport-https build-essential pkg-config git wget libncurses5-dev libreadline-dev nettle-dev \
-        libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
+        libgnutls28-dev libuv1-dev python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
        libargon2-0-dev \
-        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libssl-dev python3-pip \
+        autotools-dev autoconf libfmt-dev libmsgpack-dev libssl-dev python3-pip \
    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*

-RUN pip3 install --upgrade cmake
+RUN pip3 install --upgrade cmake meson Cython

 # libasio-dev (1.10) is too old
 RUN echo "** Building a recent version of asio ***" \
@@ -20,13 +20,17 @@ RUN echo "** Building a recent version of asio ***" \
    && make install \
    && cd ../../ && rm -rf asio*

+RUN mkdir /usr/include/nonstd \
+    && wget https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp \
+            -O /usr/include/nonstd/expected.hpp
+
 RUN echo "*** Downloading RESTinio ***" \
    && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/8d5d3e8237e0947adb9ba1ffc8281f4ad7cb2a59.tar.gz \
-    && ls -l && tar -xzf 8d5d3e8237e0947adb9ba1ffc8281f4ad7cb2a59.tar.gz \
-    && cd restinio-8d5d3e8237e0947adb9ba1ffc8281f4ad7cb2a59/dev \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-             -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-             -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
-    && make -j8 && make install \
+    && wget https://github.com/Stiffstream/restinio/releases/download/v.0.7.3/restinio-0.7.3.tar.bz2 \
+    && ls -l && tar -xjf restinio-0.7.3.tar.bz2 \
+    && cd restinio-0.7.3/dev \
+    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+             -DRESTINIO_WITH_SOBJECTIZER=Off -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+             -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system . \
+    && make -j2 && make install \
    && cd ../../ && rm -rf restinio*
@@ -10,19 +10,25 @@ RUN apt-get update && apt-get install -y \
 RUN apt-get update && apt-get install -y \
        build-essential pkg-config cmake git wget \
        libtool autotools-dev autoconf \
-        cython3 python3-dev python3-setuptools \
+        python3-dev python3-setuptools python3-pip \
        libncurses5-dev libreadline-dev nettle-dev libcppunit-dev \
        libgnutls28-dev libuv1-dev libjsoncpp-dev libargon2-dev \
-        libssl-dev libfmt-dev libhttp-parser-dev libasio-dev libmsgpack-dev \
+        libssl-dev libfmt-dev libasio-dev libmsgpack-dev \
    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*

+RUN pip3 install meson Cython
+
+RUN mkdir /usr/include/nonstd \
+    && wget https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp \
+            -O /usr/include/nonstd/expected.hpp
+
 RUN echo "*** Downloading RESTinio ***" \
    && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
-    && ls -l && tar -xzf e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
-    && cd restinio-e0a261dd8488246a3cb8bbb3ea781ea5139c3c94/dev \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-             -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-             -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
-    && make -j8 && make install \
-    && cd ../../.. && rm -rf restinio
+    && wget https://github.com/Stiffstream/restinio/releases/download/v.0.7.3/restinio-0.7.3.tar.bz2 \
+    && ls -l && tar -xjf restinio-0.7.3.tar.bz2 \
+    && cd restinio-0.7.3/dev \
+    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+             -DRESTINIO_WITH_SOBJECTIZER=Off -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+             -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system . \
+    && make -j2 && make install \
+    && cd ../../ && rm -rf restinio*
@@ -1,4 +1,4 @@
-FROM ubuntu:22.04
+FROM ubuntu:24.04
 LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
 LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht

@@ -8,25 +8,31 @@ RUN apt-get update && apt-get install -y \
    && echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections

 RUN apt-get update \
-    && apt-get install -y llvm llvm-dev lldb clang gdb make cmake pkg-config \
+    && apt-get install -y llvm llvm-dev lldb clang gdb make cmake meson pkg-config \
       libtool git wget libncurses5-dev libreadline-dev \
-       nettle-dev libgnutls28-dev libuv1-dev libmsgpack-dev libjsoncpp-dev cython3 python3-dev \
+       nettle-dev libgnutls28-dev libuv1-dev libmsgpack-dev libjsoncpp-dev python3-dev \
       python3-setuptools libcppunit-dev python3-pip python3-build python3-virtualenv \
       autotools-dev autoconf libssl-dev libargon2-dev \
-       libfmt-dev libhttp-parser-dev libasio-dev \
+       libfmt-dev libasio-dev \
    && apt-get remove -y gcc g++ && apt-get autoremove -y \
    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*

+RUN pip3 install Cython --break-system-packages
+
 ENV CC cc
 ENV CXX c++

+RUN mkdir /usr/include/nonstd \
+    && wget https://raw.githubusercontent.com/martinmoene/expected-lite/master/include/nonstd/expected.hpp \
+            -O /usr/include/nonstd/expected.hpp
+
 RUN echo "*** Downloading RESTinio ***" \
    && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && ls -l && tar -xzf bbaa034dbcc7555ce67df0f8a1475591a7441733.tar.gz \
-    && cd restinio-bbaa034dbcc7555ce67df0f8a1475591a7441733/dev \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
-             -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
-             -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
-    && make -j8 && make install \
+    && wget https://github.com/Stiffstream/restinio/releases/download/v.0.7.3/restinio-0.7.3.tar.bz2 \
+    && ls -l && tar -xjf restinio-0.7.3.tar.bz2 \
+    && cd restinio-0.7.3/dev \
+    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=Off -DRESTINIO_SAMPLE=Off -DRESTINIO_BENCHMARK=Off \
+             -DRESTINIO_WITH_SOBJECTIZER=Off -DRESTINIO_DEP_STANDALONE_ASIO=system -DRESTINIO_DEP_LLHTTP=system \
+             -DRESTINIO_DEP_FMT=system -DRESTINIO_DEP_EXPECTED_LITE=system . \
+    && make -j2 && make install \
    && cd ../../ && rm -rf restinio*
@@ -2,8 +2,9 @@ FROM ghcr.io/savoirfairelinux/opendht/opendht-deps-bionic:latest
 LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
 LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht

-RUN git clone https://github.com/savoirfairelinux/opendht.git \
-	&& cd opendht && mkdir build && cd build \
+COPY . opendht
+
+RUN cd opendht && mkdir build && cd build \
 	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
 				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
 				-DOPENDHT_C=On \
@@ -2,8 +2,9 @@ FROM ghcr.io/savoirfairelinux/opendht/opendht-deps-llvm:latest
 LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
 LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht

-RUN git clone https://github.com/savoirfairelinux/opendht.git \
-	&& cd opendht && mkdir build && cd build \
+COPY . opendht
+
+RUN cd opendht && mkdir build && cd build \
 	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
 				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
 				-DOPENDHT_C=On \
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -143,6 +143,9 @@ struct OPENDHT_PUBLIC Config {
     *   - Larger listen refresh time
     */
    bool public_stable {false};
+
+    /* Client mode, node will not be used by other nodes to store data. */
+    bool client_mode {false};
 };

 /**
@@ -160,6 +163,20 @@ struct OPENDHT_PUBLIC SecureDhtConfig
    bool cert_cache_all {false};
 };

+enum class OPENDHT_PUBLIC PushNotificationResult: uint8_t {
+    /* success codes */
+    PutRefresh,
+    ListenRefresh,
+    Values,
+    ValuesExpired,
+    /* ignored/error codes */
+    IgnoredWrongSession = 0x80,
+    IgnoredNoOp,
+    IgnoredStopped,
+    IgnoredDisabled,
+    Error
+};
+
 static constexpr size_t DEFAULT_STORAGE_LIMIT {1024 * 1024 * 64};

 using ValuesExport = std::pair<InfoHash, Blob>;
@@ -170,19 +187,19 @@ using ValueCallback = std::function<bool(const std::vector<std::shared_ptr<Value
 using GetCallbackSimple = std::function<bool(std::shared_ptr<Value> value)>;
 using ShutdownCallback = std::function<void()>;
 using IdentityAnnouncedCb = std::function<void(bool)>;
+using PublicAddressChangedCb = std::function<void(std::vector<SockAddr>)>;

 using CertificateStoreQuery = std::function<std::vector<std::shared_ptr<crypto::Certificate>>(const InfoHash& pk_id)>;
+using DoneCallback = std::function<void(bool success, const std::vector<std::shared_ptr<Node>>& nodes)>;
+using DoneCallbackSimple = std::function<void(bool success)>;

 typedef bool (*GetCallbackRaw)(std::shared_ptr<Value>, void *user_data);
 typedef bool (*ValueCallbackRaw)(std::shared_ptr<Value>, bool expired, void *user_data);
-
-using DoneCallback = std::function<void(bool success, const std::vector<std::shared_ptr<Node>>& nodes)>;
 typedef void (*DoneCallbackRaw)(bool, std::vector<std::shared_ptr<Node>>*, void *user_data);
 typedef void (*ShutdownCallbackRaw)(void *user_data);
 typedef void (*DoneCallbackSimpleRaw)(bool, void *user_data);
 typedef bool (*FilterRaw)(const Value&, void *user_data);

-using DoneCallbackSimple = std::function<void(bool success)>;

 OPENDHT_PUBLIC GetCallbackSimple bindGetCb(GetCallbackRaw raw_cb, void* user_data);
 OPENDHT_PUBLIC GetCallback bindGetCb(GetCallbackSimple cb);
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *           Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
 *
@@ -512,12 +512,18 @@ struct OPENDHT_PUBLIC Certificate {

    Blob getSerialNumber() const;

+    /** Read certificate full DN as described in RFC4514 */ 
+    std::string getDN() const;
+
    /** Read certificate Common Name (CN) */
    std::string getName() const;

    /** Read certificate User ID (UID) */
    std::string getUID() const;

+    /** Read certificate issuer DN as described in RFC4514 */
+    std::string getIssuerDN() const;
+
    /** Read certificate issuer Common Name (CN) */
    std::string getIssuerName() const;

@@ -670,94 +676,6 @@ private:
    gnutls_x509_trust_list_t trust {nullptr};
 };

-template <class T>
-class OPENDHT_PUBLIC secure_vector
-{
-public:
-    secure_vector() {}
-    secure_vector(secure_vector<T> const&) = default;
-    secure_vector(secure_vector<T> &&) = default;
-    explicit secure_vector(unsigned size): data_(size) {}
-    explicit secure_vector(unsigned size, T _item): data_(size, _item) {}
-    explicit secure_vector(const std::vector<T>& c): data_(c) {}
-    secure_vector(std::vector<T>&& c): data_(std::move(c)) {}
-    ~secure_vector() { clean(); }
-
-    static secure_vector<T> getRandom(size_t size) {
-        secure_vector<T> ret(size);
-        crypto::random_device rdev;
-#ifdef _WIN32
-        std::uniform_int_distribution<int> rand_byte{ 0, std::numeric_limits<uint8_t>::max() };
-#else
-        std::uniform_int_distribution<uint8_t> rand_byte;
-#endif
-        std::generate_n((uint8_t*)ret.data_.data(), ret.size()*sizeof(T), std::bind(rand_byte, std::ref(rdev)));
-        return ret;
-    }
-    secure_vector<T>& operator=(const secure_vector<T>& c) {
-        if (&c == this)
-            return *this;
-        clean();
-        data_ = c.data_;
-        return *this;
-    }
-    secure_vector<T>& operator=(secure_vector<T>&& c) {
-        if (&c == this)
-            return *this;
-        clean();
-        data_ = std::move(c.data_);
-        return *this;
-    }
-    secure_vector<T>& operator=(std::vector<T>&& c) {
-        clean();
-        data_ = std::move(c);
-        return *this;
-    }
-    std::vector<T>& writable() { clean(); return data_; }
-    const std::vector<T>& makeInsecure() const { return data_; }
-    const uint8_t* data() const { return data_.data(); }
-
-    void clean() {
-        clean(data_.begin(), data_.end());
-    }
-
-    void clear() { clean(); data_.clear(); }
-
-    size_t size() const { return data_.size(); }
-    bool empty() const { return data_.empty(); }
-
-    void swap(secure_vector<T>& other) { data_.swap(other.data_); }
-    void resize(size_t s) {
-        if (s == data_.size()) return;
-        if (s < data_.size()) {
-            //shrink
-            clean(data_.begin()+s, data_.end());
-            data_.resize(s);
-        } else {
-            //grow
-            auto data = std::move(data_); // move protected data
-            clear();
-            data_.resize(s);
-            std::copy(data.begin(), data.end(), data_.begin());
-            clean(data.begin(), data.end());
-        }
-    }
-
-private:
-    /**
-     * Securely wipe memory
-     */
-    static void clean(const typename std::vector<T>::iterator& i, const typename std::vector<T>::iterator& j) {
-        volatile uint8_t* b = reinterpret_cast<uint8_t*>(&*i);
-        volatile uint8_t* e = reinterpret_cast<uint8_t*>(&*j);
-        std::fill(b, e, 0);
-    }
-
-    std::vector<T> data_;
-};
-
-using SecureBlob = secure_vector<uint8_t>;
-
 /**
 * Generate an RSA key pair (4096 bits) and a certificate.
 * @param name the name used in the generated certificate
@@ -772,6 +690,7 @@ OPENDHT_PUBLIC Identity generateEcIdentity(const std::string& name, const Identi
 OPENDHT_PUBLIC Identity generateEcIdentity(const std::string& name = "dhtnode", const Identity& ca = {});

 OPENDHT_PUBLIC void saveIdentity(const Identity& id, const std::string& path, const std::string& privkey_password = {});
+OPENDHT_PUBLIC Identity loadIdentity(const std::string &path,const std::string &privkey_password = {});

 /**
 * Performs SHA512, SHA256 or SHA1, depending on hash_length.
@@ -792,7 +711,7 @@ OPENDHT_PUBLIC void hash(const uint8_t* data, size_t data_length, uint8_t* hash,
 * that can be transmitted in clear, and will be generated if
 * not provided (32 bytes).
 */
-OPENDHT_PUBLIC Blob stretchKey(const std::string& password, Blob& salt, size_t key_length = 512/8);
+OPENDHT_PUBLIC Blob stretchKey(std::string_view password, Blob& salt, size_t key_length = 512/8);

 /**
 * AES-GCM encryption. Key must be 128, 192 or 256 bits long (16, 24 or 32 bytes).
@@ -801,15 +720,58 @@ OPENDHT_PUBLIC Blob aesEncrypt(const uint8_t* data, size_t data_length, const Bl
 OPENDHT_PUBLIC inline Blob aesEncrypt(const Blob& data, const Blob& key) {
    return aesEncrypt(data.data(), data.size(), key);
 }
-OPENDHT_PUBLIC Blob aesEncrypt(const Blob& data, const std::string& password);
+/**
+ * AES-GCM encryption with argon2 key derivation.
+ * This function uses `stretchKey` to generate an AES key from the password and a random salt.
+ * The result is a bundle including the salt that can be decrypted with `aesDecrypt(data, password)`.
+ * If needed, the salt or encrypted data can be individually extracted from the bundle with `aesGetSalt` and `aesGetEncrypted`.
+ * @param data: data to encrypt
+ * @param password: password to encrypt the data with
+ * @param salt: optional salt to use for key derivation. If not provided, a random salt will be generated.
+ */
+OPENDHT_PUBLIC Blob aesEncrypt(const Blob& data, std::string_view password, const Blob& salt = {});

 /**
 * AES-GCM decryption.
 */
 OPENDHT_PUBLIC Blob aesDecrypt(const uint8_t* data, size_t data_length, const Blob& key);
 OPENDHT_PUBLIC inline Blob aesDecrypt(const Blob& data, const Blob& key) { return aesDecrypt(data.data(), data.size(), key); }
-OPENDHT_PUBLIC Blob aesDecrypt(const uint8_t* data, size_t data_length, const std::string& password);
-OPENDHT_PUBLIC inline Blob aesDecrypt(const Blob& data, const std::string& password) { return aesDecrypt(data.data(), data.size(), password); }
+OPENDHT_PUBLIC inline Blob aesDecrypt(std::string_view data, const Blob& key) { return aesDecrypt((uint8_t*)data.data(), data.size(), key); }
+
+OPENDHT_PUBLIC Blob aesDecrypt(const uint8_t* data, size_t data_length, std::string_view password);
+OPENDHT_PUBLIC inline Blob aesDecrypt(const Blob& data, std::string_view password) { return aesDecrypt(data.data(), data.size(), password); }
+OPENDHT_PUBLIC inline Blob aesDecrypt(std::string_view data, std::string_view password) { return aesDecrypt((uint8_t*)data.data(), data.size(), password); }
+
+/**
+ * Get raw AES key from password and salt stored with the encrypted data.
+ */
+OPENDHT_PUBLIC Blob aesGetKey(const uint8_t* data, size_t data_length, std::string_view password);
+OPENDHT_PUBLIC Blob inline aesGetKey(const Blob& data, std::string_view password) {
+    return aesGetKey(data.data(), data.size(), password);
+}
+/** Get the salt part of data password-encrypted with `aesEncrypt(data, password)` */
+OPENDHT_PUBLIC Blob aesGetSalt(const uint8_t* data, size_t data_length);
+OPENDHT_PUBLIC Blob inline aesGetSalt(const Blob& data) {
+    return aesGetSalt(data.data(), data.size());
+}
+/** Get the encrypted data part of data password-encrypted with `aesEncrypt(data, password)` */
+OPENDHT_PUBLIC std::string_view aesGetEncrypted(const uint8_t* data, size_t data_length);
+OPENDHT_PUBLIC std::string_view inline aesGetEncrypted(const Blob& data) {
+    return aesGetEncrypted(data.data(), data.size());
+}
+
+/** Build an encrypted bundle that can be decrypted with aesDecrypt(data, password).
+ *  @param encryptedData: result of `aesEncrypt(data, key)` or `aesGetEncrypted`
+ *  @param salt: should match the encryption key and password so that `stretchKey(password, salk) == key`.
+ *  Can be obtained from an existing bundle with `aesGetSalt`.
+ **/
+OPENDHT_PUBLIC Blob aesBuildEncrypted(const uint8_t* encryptedData, size_t data_length, const Blob& salt);
+OPENDHT_PUBLIC Blob inline aesBuildEncrypted(const Blob& encryptedData, const Blob& salt) {
+    return aesBuildEncrypted(encryptedData.data(), encryptedData.size(), salt);
+}
+OPENDHT_PUBLIC Blob inline aesBuildEncrypted(std::string_view encryptedData, const Blob& salt) {
+    return aesBuildEncrypted((const uint8_t*)encryptedData.data(), encryptedData.size(), salt);
+}

 }
 }
@@ -0,0 +1,114 @@
+/*
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <vector>
+#include <random>
+
+namespace dht {
+namespace crypto {
+
+template <class T>
+class secure_vector
+{
+public:
+    secure_vector() {}
+    secure_vector(secure_vector<T> const&) = default;
+    secure_vector(secure_vector<T> &&) = default;
+    explicit secure_vector(unsigned size): data_(size) {}
+    explicit secure_vector(unsigned size, T _item): data_(size, _item) {}
+    explicit secure_vector(const std::vector<T>& c): data_(c) {}
+    secure_vector(std::vector<T>&& c): data_(std::move(c)) {}
+    ~secure_vector() { clean(); }
+
+    static secure_vector<T> getRandom(size_t size) {
+        secure_vector<T> ret(size);
+        std::random_device rdev;
+#ifdef _WIN32
+        std::uniform_int_distribution<int> rand_byte{ 0, std::numeric_limits<uint8_t>::max() };
+#else
+        std::uniform_int_distribution<uint8_t> rand_byte;
+#endif
+        std::generate_n((uint8_t*)ret.data_.data(), ret.size()*sizeof(T), std::bind(rand_byte, std::ref(rdev)));
+        return ret;
+    }
+    secure_vector<T>& operator=(const secure_vector<T>& c) {
+        if (&c == this)
+            return *this;
+        clean();
+        data_ = c.data_;
+        return *this;
+    }
+    secure_vector<T>& operator=(secure_vector<T>&& c) {
+        if (&c == this)
+            return *this;
+        clean();
+        data_ = std::move(c.data_);
+        return *this;
+    }
+    secure_vector<T>& operator=(std::vector<T>&& c) {
+        clean();
+        data_ = std::move(c);
+        return *this;
+    }
+    std::vector<T>& writable() { clean(); return data_; }
+    const std::vector<T>& makeInsecure() const { return data_; }
+    const uint8_t* data() const { return data_.data(); }
+
+    void clean() {
+        clean(data_.begin(), data_.end());
+    }
+
+    void clear() { clean(); data_.clear(); }
+
+    size_t size() const { return data_.size(); }
+    bool empty() const { return data_.empty(); }
+
+    void swap(secure_vector<T>& other) { data_.swap(other.data_); }
+    void resize(size_t s) {
+        if (s == data_.size()) return;
+        if (s < data_.size()) {
+            //shrink
+            clean(data_.begin()+s, data_.end());
+            data_.resize(s);
+        } else {
+            //grow
+            auto data = std::move(data_); // move protected data
+            clear();
+            data_.resize(s);
+            std::copy(data.begin(), data.end(), data_.begin());
+            clean(data.begin(), data.end());
+        }
+    }
+
+private:
+    /**
+     * Securely wipe memory
+     */
+    static void clean(const typename std::vector<T>::iterator& i, const typename std::vector<T>::iterator& j) {
+        volatile uint8_t* b = reinterpret_cast<uint8_t*>(&*i);
+        volatile uint8_t* e = reinterpret_cast<uint8_t*>(&*j);
+        std::fill(b, e, 0);
+    }
+
+    std::vector<T> data_;
+};
+
+using SecureBlob = secure_vector<uint8_t>;
+
+}
+}
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -65,10 +65,7 @@ public:
     * Initialise the Dht with two open sockets (for IPv4 and IP6)
     * and an ID for the node.
     */
-    Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, const Sp<Logger>& l = {});
-
-    Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, const Logger& l = {})
-        : Dht(std::move(sock), config, std::make_shared<Logger>(l)) {}
+    Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, const Sp<Logger>& l = {}, std::unique_ptr<std::mt19937_64>&& rd = {});

    virtual ~Dht();

@@ -76,6 +73,9 @@ public:
     * Get the ID of the node.
     */
    inline const InfoHash& getNodeId() const override { return myid; }
+    void setOnPublicAddressChanged(PublicAddressChangedCb cb) override {
+        publicAddressChangedCb_ = std::move(cb);
+    }

    NodeStatus updateStatus(sa_family_t af) override;

@@ -265,7 +265,6 @@ public:
     */
    void connectivityChanged(sa_family_t) override;
    void connectivityChanged() override {
-        reported_addr.clear();
        connectivityChanged(AF_INET);
        connectivityChanged(AF_INET6);
    }
@@ -316,7 +315,9 @@ public:

    std::vector<SockAddr> getPublicAddress(sa_family_t family = 0) override;

-    void pushNotificationReceived(const std::map<std::string, std::string>&) override {}
+    PushNotificationResult pushNotificationReceived(const std::map<std::string, std::string>&) override {
+        return PushNotificationResult::IgnoredDisabled;
+    }
    void resubscribe(unsigned) {}

 private:
@@ -373,7 +374,7 @@ private:
    Dht(const Dht&) = delete;
    Dht& operator=(const Dht&) = delete;

-    std::mt19937_64 rd {crypto::getSeededRandomEngine<std::mt19937_64>()};
+    std::mt19937_64 rd;

    InfoHash myid {};

@@ -384,11 +385,14 @@ private:
    TypeStore types;

    using SearchMap = std::map<InfoHash, Sp<Search>>;
+    using ReportedAddr = std::pair<unsigned, SockAddr>;
+
    struct Kad {
        RoutingTable buckets {};
        SearchMap searches {};
        unsigned pending_pings {0};
        NodeStatus status;
+        std::vector<ReportedAddr> reported_addr;

        NodeStatus getStatus(time_point now) const;
        NodeStats getNodesStats(time_point now, const InfoHash& myid) const;
@@ -396,6 +400,7 @@ private:

    Kad dht4 {};
    Kad dht6 {};
+    PublicAddressChangedCb publicAddressChangedCb_ {};

    std::vector<std::pair<std::string,std::string>> bootstrap_nodes {};
    std::chrono::steady_clock::duration bootstrap_period {BOOTSTRAP_PERIOD};
@@ -423,8 +428,6 @@ private:
    Sp<Scheduler::Job> nextStorageMaintenance {};

    net::NetworkEngine network_engine;
-    using ReportedAddr = std::pair<unsigned, SockAddr>;
-    std::vector<ReportedAddr> reported_addr;

    std::string persistPath;

@@ -567,7 +570,7 @@ private:
     * @param sr  The search for which we want to announce a value.
     * @param announce  The 'announce' structure.
     */
-    void searchSendAnnounceValue(const Sp<Search>& sr);
+    void searchSendAnnounceValue(const Sp<Search>& sr, unsigned syncLevel = TARGET_NODES);

    /**
     * Main process of a Search's operations. This function will demand the
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -19,7 +19,7 @@
 #pragma once

 #include "infohash.h"
-#include "log_enable.h"
+#include "logger.h"
 #include "node_export.h"

 #include <queue>
@@ -33,8 +33,8 @@ namespace net {
 class OPENDHT_PUBLIC DhtInterface {
 public:
    DhtInterface() = default;
-    DhtInterface(const Logger& l) : logger_(std::make_shared<Logger>(l)) {};
-    DhtInterface(const std::shared_ptr<Logger>& l) : logger_(l) {};
+    DhtInterface(const Logger& l) : logger_(std::make_shared<Logger>(l)) {}
+    DhtInterface(const std::shared_ptr<Logger>& l) : logger_(l) {}
    virtual ~DhtInterface() = default;

    // [[deprecated]]
@@ -45,15 +45,16 @@ public:
    /**
     * Get the current status of the node for the given family.
     */
-    virtual NodeStatus updateStatus(sa_family_t af) { return getStatus(af); };
+    virtual NodeStatus updateStatus(sa_family_t af) { return getStatus(af); }
    virtual NodeStatus getStatus(sa_family_t af) const = 0;
    virtual NodeStatus getStatus() const = 0;

    void addOnConnectedCallback(std::function<void()> cb) {
        onConnectCallbacks_.emplace(std::move(cb));
    }
+    virtual void setOnPublicAddressChanged(PublicAddressChangedCb) {}

-    virtual net::DatagramSocket* getSocket() const { return {}; };
+    virtual net::DatagramSocket* getSocket() const { return {}; }

    /**
     * Get the ID of the DHT node.
@@ -232,18 +233,6 @@ public:

    virtual std::vector<SockAddr> getPublicAddress(sa_family_t family = 0) = 0;

-    /**
-     * Enable or disable logging of DHT internal messages
-     */
-    virtual void setLoggers(LogMethod error = {}, LogMethod warn = {}, LogMethod debug = {}) {
-        if (logger_) {
-            logger_->DBG = std::move(debug);
-            logger_->WARN = std::move(warn);
-            logger_->ERR = std::move(error);
-        } else
-            logger_= std::make_shared<Logger>(std::move(error), std::move(warn), std::move(debug));
-    }
-
    virtual void setLogger(const Logger& l) {
        if (logger_)
            *logger_ = l;
@@ -273,7 +262,7 @@ public:
     * Call linked callback with a push notification
     * @param notification to process
     */
-    virtual void pushNotificationReceived(const std::map<std::string, std::string>& data) = 0;
+    virtual PushNotificationResult pushNotificationReceived(const std::map<std::string, std::string>& data) = 0;

 protected:
    std::shared_ptr<Logger> logger_ {};
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -53,19 +53,21 @@ public:
    DhtProxyClient();

    explicit DhtProxyClient(
-        std::shared_ptr<crypto::Certificate> serverCA, crypto::Identity clientIdentity,
-        std::function<void()> loopSignal, const std::string& serverHost,
-        const std::string& pushClientId = "", std::shared_ptr<Logger> logger = {});
+        std::shared_ptr<crypto::Certificate> serverCA,
+        crypto::Identity clientIdentity,
+        std::function<void()> loopSignal,
+        const std::string& serverHost,
+        const std::string& userAgent = "",
+        const std::string& pushClientId = "",
+        const std::string& pushToken = "",
+        const std::string& pushTopic = "",
+        const std::string& pushPlatform = "",
+        std::shared_ptr<Logger> logger = {}
+    );

    void setHeaderFields(http::Request& request);

-    virtual void setPushNotificationToken(const std::string& token) override {
-#ifdef OPENDHT_PUSH_NOTIFICATIONS
-        deviceKey_ = token;
-#else
-        (void) token;
-#endif
-    }
+    virtual void setPushNotificationToken(const std::string& token) override;

    virtual void setPushNotificationTopic(const std::string& topic) override {
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
@@ -89,6 +91,9 @@ public:
     * Get the ID of the node.
     */
    inline const InfoHash& getNodeId() const override { return myid; }
+    void setOnPublicAddressChanged(PublicAddressChangedCb cb) override {
+        publicAddressChangedCb_ = std::move(cb);
+    }

    /**
     * Get the current status of the node for the given family.
@@ -211,7 +216,7 @@ public:
     * Call linked callback with a push notification
     * @param notification to process
     */
-    void pushNotificationReceived(const std::map<std::string, std::string>& notification) override;
+    PushNotificationResult pushNotificationReceived(const std::map<std::string, std::string>& notification) override;

    time_point periodic(const uint8_t*, size_t, SockAddr, const time_point& now) override;
    time_point periodic(const uint8_t* buf, size_t buflen, const sockaddr* from, socklen_t fromlen, const time_point& now) override {
@@ -288,6 +293,11 @@ public:
        loopSignal_();
    }

+    void listenKeepIdle(uint32_t seconds) {
+        listenKeepIdle_ = seconds;
+    }
+    inline uint32_t listenKeepIdle() { return listenKeepIdle_; }
+
 private:
    /**
     * Start the connection with a server.
@@ -343,7 +353,7 @@ private:
    std::string proxyUrl_;
    dht::crypto::Identity clientIdentity_;
    std::shared_ptr<dht::crypto::Certificate> serverCertificate_;
-    //std::pair<std::string, std::string> serverHostService_;
+    std::string userAgent_ {"OpenDHT"};
    std::string pushClientId_;
    std::string pushSessionId_;

@@ -357,6 +367,7 @@ private:
    SockAddr publicAddressV4_;
    SockAddr publicAddressV6_;
    std::atomic_bool launchConnectedCbs_ {false};
+    PublicAddressChangedCb publicAddressChangedCb_ {};

    InfoHash myid {};

@@ -387,6 +398,11 @@ private:
    size_t listenerToken_ {0};
    std::map<InfoHash, ProxySearch> searches_;

+    /**
+     * Keepalive idle time for listen
+     */
+    uint32_t listenKeepIdle_ {120};
+
    /**
     * Callbacks should be executed in the main thread.
     */
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -46,17 +46,17 @@ enum class PushType {
 }
 MSGPACK_ADD_ENUM(dht::PushType)

-namespace http {
-class Request;
-struct ListenerSession;
-}
-
 namespace Json {
 class Value;
 }

 namespace dht {

+namespace http {
+class Request;
+struct ListenerSession;
+}
+
 class DhtRunner;

 using RestRouter = restinio::router::express_router_t<>;
@@ -87,7 +87,7 @@ public:
     */
    DhtProxyServer(const std::shared_ptr<DhtRunner>& dht,
        const ProxyServerConfig& config = {},
-        const std::shared_ptr<dht::Logger>& logger = {});
+        const std::shared_ptr<log::Logger>& logger = {});

    virtual ~DhtProxyServer();

@@ -98,6 +98,32 @@ public:

    asio::io_context& io_context() const;

+    using clock = std::chrono::steady_clock;
+    using time_point = clock::time_point;
+
+    struct PushStats {
+        uint64_t highPriorityCount {0};
+        uint64_t normalPriorityCount {0};
+
+        void increment(bool highPriority) {
+            if (highPriority)
+                highPriorityCount++;
+            else
+                normalPriorityCount++;
+        }
+
+        Json::Value toJson() const {
+            Json::Value val;
+            val["highPriorityCount"] = static_cast<Json::UInt64>(highPriorityCount);
+            val["normalPriorityCount"] = static_cast<Json::UInt64>(normalPriorityCount);
+            return val;
+        }
+
+        std::string toString() const {
+            return fmt::format("{} high priority, {} normal priority", highPriorityCount, normalPriorityCount);
+        }
+    };
+
    struct ServerStats {
        /** Current number of listen operations */
        size_t listenCount {0};
@@ -107,24 +133,39 @@ public:
        size_t totalPermanentPuts {0};
        /** Current number of push tokens with at least one listen operation */
        size_t pushListenersCount {0};
+
+        /** Time at which the server was started */
+        time_point serverStartTime;
+        /** Last time at which the stats were updated */
+        time_point lastUpdated;
+        /** Total number of push notification requests that the server attempted to
+          * send since being started, broken down by type and priority level */
+        PushStats androidPush;
+        PushStats iosPush;
+        PushStats unifiedPush;
+
        /** Average requests per second */
        double requestRate {0};
        /** Node Info **/
        std::shared_ptr<NodeInfo> nodeInfo {};

        std::string toString() const {
-            std::ostringstream ss;
-            ss << "Listens: " << listenCount << " Puts: " << putCount << " PushListeners: " << pushListenersCount << std::endl;
-            ss << "Requests: " << requestRate << " per second." << std::endl;
+            auto ret = fmt::format("Listens: {}, Puts: {}, PushListeners: {}\n"
+                        "Push requests in the last {}: [Android: {}], [iOS: {}], [Unified: {}]\n"
+                        "Requests: {} per second.",
+                        listenCount, putCount, pushListenersCount,
+                        print_duration(lastUpdated - serverStartTime),
+                        androidPush.toString(), iosPush.toString(), unifiedPush.toString(),
+                        requestRate);
            if (nodeInfo) {
                auto& ipv4 = nodeInfo->ipv4;
                if (ipv4.table_depth > 1)
-                    ss << "IPv4 Network estimation: " << ipv4.getNetworkSizeEstimation() << std::endl;;
+                    ret += fmt::format("IPv4 Network estimation: {}\n", ipv4.getNetworkSizeEstimation());
                auto& ipv6 = nodeInfo->ipv6;
                if (ipv6.table_depth > 1)
-                    ss << "IPv6 Network estimation: " << ipv6.getNetworkSizeEstimation() << std::endl;;
+                    ret += fmt::format("IPv6 Network estimation: {}\n", ipv6.getNetworkSizeEstimation());
            }
-            return ss.str();
+            return ret;
        }

        /**
@@ -136,6 +177,11 @@ public:
            result["putCount"] = static_cast<Json::UInt64>(putCount);
            result["totalPermanentPuts"] = static_cast<Json::UInt64>(totalPermanentPuts);
            result["pushListenersCount"] = static_cast<Json::UInt64>(pushListenersCount);
+            result["serverStartTime"] = static_cast<Json::LargestInt>(to_time_t(serverStartTime));
+            result["lastUpdated"] = static_cast<Json::LargestInt>(to_time_t(lastUpdated));
+            result["androidPush"] = androidPush.toJson();
+            result["iosPush"] = iosPush.toJson();
+            result["unifiedPush"] = unifiedPush.toJson();
            result["requestRate"] = requestRate;
            if (nodeInfo)
                result["nodeInfo"] = nodeInfo->toJson();
@@ -275,6 +321,12 @@ private:
    RequestStatus options(restinio::request_handle_t request,
                           restinio::router::route_params_t params);

+    struct PushSessionContext {
+        std::mutex lock;
+        std::string sessionId;
+        PushSessionContext(const std::string& id) : sessionId(id) {}
+    };
+
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
    PushType getTypeFromString(const std::string& type);
    std::string getDefaultTopic(PushType type);
@@ -331,6 +383,24 @@ private:
    void handleCancelPushListen(const asio::error_code &ec, const std::string pushToken,
                                const InfoHash key, const std::string clientId);

+    /**
+     * Handles a push listen request.
+     *
+     * @param infoHash The information hash associated with the push listen request.
+     * @param pushToken The push token associated with the push listen request.
+     * @param type The type of the push listen request.
+     * @param clientId The client ID associated with the push listen request.
+     * @param sessionCtx The shared pointer to the push session context associated with the push listen request.
+     * @param topic The topic associated with the push listen request.
+     * @param values The vector of shared pointers to values associated with the push listen request.
+     * @param expired A boolean indicating whether the push listen request has expired.
+     * @return true.
+     */
+    bool handlePushListen(const InfoHash& infoHash, const std::string& pushToken,
+                          PushType type, const std::string& clientId,
+                          const std::shared_ptr<DhtProxyServer::PushSessionContext>& sessionCtx, const std::string& topic,
+                          const std::vector<std::shared_ptr<Value>>& values, bool expired);
+
 #endif //OPENDHT_PUSH_NOTIFICATIONS

    void handlePrintStats(const asio::error_code &ec);
@@ -342,9 +412,6 @@ private:
    template <typename Is>
    void loadState(Is& is, size_t size);

-    using clock = std::chrono::steady_clock;
-    using time_point = clock::time_point;
-
    std::shared_ptr<asio::io_context> ioContext_;
    std::shared_ptr<DhtRunner> dht_;
    Json::StreamWriterBuilder jsonBuilder_;
@@ -364,11 +431,16 @@ private:
    mutable std::mutex requestLock_;
    std::map<unsigned int /*id*/, std::shared_ptr<http::Request>> requests_;

-    std::shared_ptr<dht::Logger> logger_;
+    std::shared_ptr<log::Logger> logger_;

    std::shared_ptr<ServerStats> stats_;
    std::shared_ptr<NodeInfo> nodeInfo_ {};
    std::unique_ptr<asio::steady_timer> printStatsTimer_;
+    const time_point serverStartTime_;
+    mutable std::mutex pushStatsMutex_;
+    PushStats androidPush_;
+    PushStats iosPush_;
+    PushStats unifiedPush_;

    // Thread-safe access to listeners map.
    std::mutex lockListener_;
@@ -376,12 +448,6 @@ private:
    std::map<restinio::connection_id_t, http::ListenerSession> listeners_;
    // Connection Listener observing conn state changes.
    std::shared_ptr<ConnectionListener> connListener_;
-
-    struct PushSessionContext {
-        std::mutex lock;
-        std::string sessionId;
-        PushSessionContext(const std::string& id) : sessionId(id) {}
-    };
    struct PermanentPut {
        time_point expiration;
        std::string pushToken;
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -25,7 +25,7 @@
 #include "value.h"
 #include "callbacks.h"
 #include "sockaddr.h"
-#include "log_enable.h"
+#include "logger.h"
 #include "network_utils.h"
 #include "node_export.h"

@@ -64,6 +64,7 @@ public:
        std::string push_token {};
        std::string push_topic {};
        std::string push_platform {};
+        std::string proxy_user_agent {};
        bool peer_discovery {false};
        bool peer_publish {false};
        std::shared_ptr<dht::crypto::Certificate> server_ca;
@@ -78,6 +79,8 @@ public:
        StatusCallback statusChangedCallback {};
        CertificateStoreQuery certificateStore {};
        IdentityAnnouncedCb identityAnnouncedCb {};
+        PublicAddressChangedCb publicAddressChangedCb {};
+        std::unique_ptr<std::mt19937_64> rng {};
        Context() {}
    };

@@ -349,7 +352,6 @@ public:
    void setLogger(const Logger& logger) {
        setLogger(std::make_shared<Logger>(logger));
    }
-    void setLoggers(LogMethod err = {}, LogMethod warn = {}, LogMethod debug = {});

    /**
     * Only print logs related to the given InfoHash (if given), or disable filter (if zeroes).
@@ -382,7 +384,7 @@ public:
    // securedht methods

    void findCertificate(InfoHash hash, std::function<void(const std::shared_ptr<crypto::Certificate>&)>);
-    void registerCertificate(std::shared_ptr<crypto::Certificate> cert);
+    void registerCertificate(const std::shared_ptr<crypto::Certificate>& cert);
    void setLocalCertificateStore(CertificateStoreQuery&& query_method);

    /**
@@ -408,7 +410,8 @@ public:
    void run(const Config& config, Context&& context);

    void setOnStatusChanged(StatusCallback&& cb) {
-        statusCb = std::move(cb);
+        if (cb)
+            statusCbs.emplace_back(std::move(cb));
    }

    /**
@@ -463,7 +466,7 @@ public:
    /**
     * Insert a push notification to process for OpenDHT
     */
-    void pushNotificationReceived(const std::map<std::string, std::string>& data);
+    std::future<PushNotificationResult> pushNotificationReceived(const std::map<std::string, std::string>& data);

    /* Proxy server mothods */
    void forwardAllMessages(bool forward);
@@ -518,7 +521,8 @@ private:

    NodeStatus status4 {NodeStatus::Disconnected},
               status6 {NodeStatus::Disconnected};
-    StatusCallback statusCb {nullptr};
+
+    std::vector<StatusCallback> statusCbs {};

    /** PeerDiscovery Parameters */
    std::shared_ptr<PeerDiscovery> peerDiscovery_;
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -29,23 +29,20 @@
 #   define snprintf snprintf
 #endif

+#include <asio/ip/tcp.hpp>
+#include <asio/streambuf.hpp>
 #include <asio/ssl/context.hpp>
-#include <restinio/http_headers.hpp>
 #include <restinio/message_builders.hpp>

 #include <memory>
 #include <queue>
 #include <mutex>
+#include <future>

 namespace Json {
 class Value;
 }

-extern "C" {
-struct http_parser;
-struct http_parser_settings;
-}
-
 namespace restinio {
 namespace impl {
 class tls_socket_t;
@@ -53,7 +50,9 @@ class tls_socket_t;
 }

 namespace dht {
+namespace log {
 struct Logger;
+}

 namespace crypto {
 struct Certificate;
@@ -73,7 +72,7 @@ class OPENDHT_PUBLIC Url
 {
 public:
    Url() = default;
-    Url(const std::string& url);
+    Url(std::string_view url);
    std::string url;
    std::string protocol {"http"};
    std::string host;
@@ -88,9 +87,9 @@ public:
 class OPENDHT_PUBLIC Connection : public std::enable_shared_from_this<Connection>
 {
 public:
-    Connection(asio::io_context& ctx, const bool ssl = true, std::shared_ptr<dht::Logger> l = {});
+    Connection(asio::io_context& ctx, const bool ssl = true, std::shared_ptr<log::Logger> l = {});
    Connection(asio::io_context& ctx, std::shared_ptr<dht::crypto::Certificate> server_ca,
-               const dht::crypto::Identity& identity, std::shared_ptr<dht::Logger> l = {});
+               const dht::crypto::Identity& identity, std::shared_ptr<log::Logger> l = {});
    ~Connection();

    inline unsigned int id() const { return  id_; };
@@ -114,6 +113,8 @@ public:
    void async_read(size_t bytes, BytesHandlerCb cb);
    void async_read_some(size_t bytes, BytesHandlerCb cb);

+    void set_keepalive(uint32_t seconds);
+
    const asio::ip::address& local_address() const;

    void timeout(const std::chrono::seconds& timeout, HandlerCb cb = {});
@@ -148,21 +149,10 @@ private:
    asio::ip::address local_address_;

    std::unique_ptr<asio::steady_timer> timeout_timer_;
-    std::shared_ptr<dht::Logger> logger_;
+    std::shared_ptr<log::Logger> logger_;
    bool checkOcsp_ {false};
 };

-/**
- * Session value associated with a connection_id_t key.
- */
-struct ListenerSession
-{
-    ListenerSession() = default;
-    dht::InfoHash hash;
-    std::future<size_t> token;
-    std::shared_ptr<restinio::response_builder_t<restinio::chunked_output_t>> response;
-};
-
 /* @class Resolver
 * @brief The purpose is to only resolve once to avoid mutliple dns requests per operation.
 */
@@ -172,15 +162,15 @@ public:
    using ResolverCb = std::function<void(const asio::error_code& ec,
                                          const std::vector<asio::ip::tcp::endpoint>& endpoints)>;

-    Resolver(asio::io_context& ctx, const std::string& url, std::shared_ptr<dht::Logger> logger = {});
+    Resolver(asio::io_context& ctx, const std::string& url, std::shared_ptr<log::Logger> logger = {});
    Resolver(asio::io_context& ctx, const std::string& host, const std::string& service,
-             const bool ssl = false, std::shared_ptr<dht::Logger> logger = {});
+             const bool ssl = false, std::shared_ptr<log::Logger> logger = {});

    // use already resolved endpoints with classes using this resolver
    Resolver(asio::io_context& ctx, std::vector<asio::ip::tcp::endpoint> endpoints,
-             const bool ssl = false, std::shared_ptr<dht::Logger> logger = {});
+             const bool ssl = false, std::shared_ptr<log::Logger> logger = {});
    Resolver(asio::io_context& ctx, const std::string& url, std::vector<asio::ip::tcp::endpoint> endpoints,
-            std::shared_ptr<dht::Logger> logger = {});
+            std::shared_ptr<log::Logger> logger = {});

    ~Resolver();

@@ -190,10 +180,12 @@ public:

    void add_callback(ResolverCb cb, sa_family_t family = AF_UNSPEC);

-    std::shared_ptr<Logger> getLogger() const {
+    std::shared_ptr<log::Logger> getLogger() const {
        return logger_;
    }

+    void cancel();
+
 private:
    void resolve(const std::string& host, const std::string& service);

@@ -208,7 +200,7 @@ private:
    bool completed_ {false};
    std::queue<ResolverCb> cbs_;

-    std::shared_ptr<dht::Logger> logger_;
+    std::shared_ptr<log::Logger> logger_;
 };

 class Request;
@@ -240,14 +232,14 @@ public:

    // resolves implicitly
    Request(asio::io_context& ctx, const std::string& url, const Json::Value& json, OnJsonCb jsoncb,
-            std::shared_ptr<dht::Logger> logger = {});
+            std::shared_ptr<log::Logger> logger = {});
    Request(asio::io_context& ctx, const std::string& url, OnJsonCb jsoncb,
-            std::shared_ptr<dht::Logger> logger = {});
+            std::shared_ptr<log::Logger> logger = {});

-    Request(asio::io_context& ctx, const std::string& url, std::shared_ptr<dht::Logger> logger = {});
+    Request(asio::io_context& ctx, const std::string& url, std::shared_ptr<log::Logger> logger = {});
    Request(asio::io_context& ctx, const std::string& host, const std::string& service,
-            const bool ssl = false, std::shared_ptr<dht::Logger> logger = {});
-    Request(asio::io_context& ctx, const std::string& url, OnDoneCb onDone, std::shared_ptr<dht::Logger> logger = {});
+            const bool ssl = false, std::shared_ptr<log::Logger> logger = {});
+    Request(asio::io_context& ctx, const std::string& url, OnDoneCb onDone, std::shared_ptr<log::Logger> logger = {});

    // user defined resolver
    Request(asio::io_context& ctx, std::shared_ptr<Resolver> resolver, sa_family_t family = AF_UNSPEC);
@@ -255,7 +247,7 @@ public:

    // user defined resolved endpoints
    Request(asio::io_context& ctx, std::vector<asio::ip::tcp::endpoint>&& endpoints,
-            const bool ssl = false, std::shared_ptr<dht::Logger> logger = {});
+            const bool ssl = false, std::shared_ptr<log::Logger> logger = {});

    ~Request();

@@ -282,7 +274,7 @@ public:

    void set_certificate_authority(std::shared_ptr<dht::crypto::Certificate> certificate);
    void set_identity(const dht::crypto::Identity& identity);
-    void set_logger(std::shared_ptr<dht::Logger> logger);
+    void set_logger(std::shared_ptr<log::Logger> logger);

    /**
     * Define the HTTP header/body as per https://tools.ietf.org/html/rfc7230.
@@ -328,9 +320,11 @@ private:

    void build();

+    static std::string url_encode(std::string_view value);
+
    void init_default_headers();
    /**
-     * Initialized and wraps the http_parser callbacks with our user defined callbacks.
+     * Initialized and wraps the llhttp callbacks with our user defined callbacks.
     */
    void init_parser();

@@ -347,7 +341,7 @@ private:

    mutable std::mutex mutex_;

-    std::shared_ptr<dht::Logger> logger_;
+    std::shared_ptr<log::Logger> logger_;

    restinio::http_request_header_t header_;
    std::map<restinio::http_field_t, std::string> headers_;
@@ -372,8 +366,8 @@ private:
    Response response_ {};
    std::string request_;
    std::atomic<bool> finishing_ {false};
-    std::unique_ptr<http_parser> parser_;
-    std::unique_ptr<http_parser_settings> parser_s_;
+    std::unique_ptr<llhttp_t> parser_;
+    std::unique_ptr<llhttp_settings_t> parser_s_;

    // Next request in case of redirect following
    std::shared_ptr<Request> next_;
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *              Nicolas Reynaud <nicolas.reynaud@savoirfairelinux.com>
@@ -409,7 +409,7 @@ private:

        /**
         * This mutlimap contains all prefix insert in the tree in time order
-         * We could then delete the last one if there is too much node
+         * We could then delete the last one if there are too many nodes
         * The tree will self destroy is branch ( thanks to share_ptr )
         */
        std::multimap<time_point, std::shared_ptr<Node>> leaves_;
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -22,6 +22,7 @@
 #include "rng.h"

 #include <msgpack.hpp>
+#include <fmt/core.h>

 #ifndef _WIN32
 #include <netinet/in.h>
@@ -109,7 +110,7 @@ public:
    bool operator!=(const Hash& h) const { return !(*this == h); }

    bool operator<(const Hash& o) const {
-        for(unsigned i = 0; i < N; i++) {
+        for (unsigned i = 0; i < N; i++) {
            if(data_[i] != o.data_[i])
                return data_[i] < o.data_[i];
        }
@@ -118,7 +119,7 @@ public:

    Hash operator^(const Hash& o) const {
        Hash result;
-        for(auto i = 0u; i < N; i++) {
+        for (auto i = 0u; i < N; i++) {
            result[i] = data_[i] ^ o.data_[i];
        }
        return result;
@@ -229,6 +230,11 @@ public:
        return get(data.data(), data.size());
    }

+    template <size_t H>
+    static Hash get(const Hash<H>& o) {
+        return get(o.data(), o.size());
+    }
+
    /**
     * Computes the hash from a given data buffer of size data_len.
     */
@@ -317,7 +323,7 @@ Hash<N>
 Hash<N>::getRandom()
 {
    Hash h;
-    crypto::random_device rdev;
+    std::random_device rdev;
    std::uniform_int_distribution<uint32_t> rand_int;
    auto a = reinterpret_cast<uint32_t*>(h.data());
    auto b = reinterpret_cast<uint32_t*>(h.data() + h.size());
@@ -339,8 +345,8 @@ Hash<N>::getRandom(Rd& rdev)
 }

 struct alignas(std::max_align_t) HexMap : public std::array<std::array<char, 2>, 256> {
-    HexMap() {
-        for (size_t i=0; i<size(); i++) {
+    constexpr HexMap() : std::array<std::array<char, 2>, 256>() {
+        for (size_t i = 0; i < size(); i++) {
            auto& e = (*this)[i];
            e[0] = hex_digits[(i >> 4) & 0x0F];
            e[1] = hex_digits[i & 0x0F];
@@ -350,7 +356,7 @@ private:
    static constexpr const char* hex_digits = "0123456789abcdef";
 };

-OPENDHT_PUBLIC extern const HexMap hex_map;
+OPENDHT_PUBLIC constexpr HexMap hex_map = {};

 inline std::string
 toHex(const uint8_t* data, size_t size) {
@@ -374,10 +380,11 @@ Hash<N>::to_c_str() const
 {
    alignas(std::max_align_t) thread_local std::array<char, N*2+1> buf;
    for (size_t i=0; i<N; i++) {
-        auto b = buf.data()+i*2;
+        auto b = buf.data() + i*2;
        const auto& m = hex_map[data_[i]];
        *((uint16_t*)b) = *((uint16_t*)&m);
    }
+    buf[N*2] = '\0';
    return buf.data();
 }

@@ -389,3 +396,10 @@ Hash<N>::toString() const
 }

 }
+
+template <size_t N>
+struct fmt::formatter<dht::Hash<N>>: formatter<string_view> {
+  constexpr auto format(const dht::Hash<N>& c, format_context& ctx) const {
+    return formatter<string_view>::format(c.to_view(), ctx);
+  }
+};
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *
 *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
@@ -20,7 +20,7 @@
 #pragma once

 #include "def.h"
-#include "log_enable.h"
+#include "logger.h"

 #include <iostream>
 #include <memory>
@@ -34,42 +34,6 @@ class DhtRunner;
 */
 namespace log {

-/**
- * Terminal colors for logging
- */
-namespace Color {
-    enum Code {
-        FG_RED      = 31,
-        FG_GREEN    = 32,
-        FG_YELLOW   = 33,
-        FG_BLUE     = 34,
-        FG_DEFAULT  = 39,
-        BG_RED      = 41,
-        BG_GREEN    = 42,
-        BG_BLUE     = 44,
-        BG_DEFAULT  = 49
-    };
-    class Modifier {
-        const Code code;
-    public:
-        constexpr Modifier(Code pCode) : code(pCode) {}
-        friend std::ostream&
-        operator<<(std::ostream& os, const Modifier& mod) {
-            return os << "\033[" << mod.code << 'm';
-        }
-    };
-}
-
-constexpr const Color::Modifier def(Color::FG_DEFAULT);
-constexpr const Color::Modifier red(Color::FG_RED);
-constexpr const Color::Modifier yellow(Color::FG_YELLOW);
-
-/**
- * Print va_list to std::ostream (used for logging).
- */
-OPENDHT_PUBLIC void
-printLog(std::ostream &s, char const *m, va_list args);
-
 OPENDHT_PUBLIC
 std::shared_ptr<Logger> getStdLogger();

@@ -1,191 +0,0 @@
-/*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
- *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-
-#pragma once
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "infohash.h"
-
-#include <cstdarg>
-
-#ifndef OPENDHT_LOG
-#define OPENDHT_LOG true
-#endif
-
-namespace dht {
-
-// Logging related utility functions
-
-/**
- * Wrapper for logging methods
- */
-struct LogMethod {
-    LogMethod() = default;
-
-    LogMethod(LogMethod&& l) : func(std::move(l.func)) {}
-    LogMethod(const LogMethod& l) : func(l.func) {}
-
-    LogMethod& operator=(dht::LogMethod&& l) {
-        func = std::forward<LogMethod>(l.func);
-        return *this;
-    }
-    LogMethod& operator=(const dht::LogMethod& l) {
-        func = l.func;
-        return *this;
-    }
-
-    template<typename T>
-    explicit LogMethod(T&& t) : func(std::forward<T>(t)) {}
-
-    template<typename T>
-    LogMethod(const T& t) : func(t) {}
-
-    void operator()(char const* format, ...) const {
-        va_list args;
-        va_start(args, format);
-        func(format, args);
-        va_end(args);
-    }
-    inline void log(char const* format, va_list args) const {
-        func(format, args);
-    }
-    explicit operator bool() const {
-        return (bool)func;
-    }
-
-    void logPrintable(const uint8_t *buf, size_t buflen) const {
-        std::string buf_clean(buflen, '\0');
-        for (size_t i=0; i<buflen; i++)
-            buf_clean[i] = isprint(buf[i]) ? buf[i] : '.';
-        (*this)("%s", buf_clean.c_str());
-    }
-private:
-    std::function<void(char const*, va_list)> func;
-};
-
-struct Logger {
-    LogMethod ERR = {};
-    LogMethod WARN = {};
-    LogMethod DBG = {};
-
-    Logger() = default;
-    Logger(LogMethod&& err, LogMethod&& warn, LogMethod&& dbg)
-        : ERR(std::move(err)), WARN(std::move(warn)), DBG(std::move(dbg)) {}
-    void setFilter(const InfoHash& f) {
-        filter_ = f;
-        filterEnable_ = static_cast<bool>(filter_);
-    }
-    inline void log0(const LogMethod& logger, char const* format, va_list args) const {
-#if OPENDHT_LOG
-        if (logger and not filterEnable_)
-            logger.log(format, args);
-#endif
-    }
-    inline void log1(const LogMethod& logger, const InfoHash& f, char const* format, va_list args) const {
-#if OPENDHT_LOG
-        if (logger and (not filterEnable_ or f == filter_))
-            logger.log(format, args);
-#endif
-    }
-    inline void log2(const LogMethod& logger, const InfoHash& f1, const InfoHash& f2, char const* format, va_list args) const {
-#if OPENDHT_LOG
-        if (logger and (not filterEnable_ or f1 == filter_ or f2 == filter_))
-            logger.log(format, args);
-#endif
-    }
-    inline void d(char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log0(DBG, format, args);
-        va_end(args);
-#endif
-    }
-    inline void d(const InfoHash& f, char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log1(DBG, f, format, args);
-        va_end(args);
-#endif
-    }
-    inline void d(const InfoHash& f1, const InfoHash& f2, char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log2(DBG, f1, f2, format, args);
-        va_end(args);
-#endif
-    }
-    inline void w(char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log0(WARN, format, args);
-        va_end(args);
-#endif
-    }
-    inline void w(const InfoHash& f, char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log1(WARN, f, format, args);
-        va_end(args);
-#endif
-    }
-    inline void w(const InfoHash& f1, const InfoHash& f2, char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log2(WARN, f1, f2, format, args);
-        va_end(args);
-#endif
-    }
-    inline void e(char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log0(ERR, format, args);
-        va_end(args);
-#endif
-    }
-    inline void e(const InfoHash& f, char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log1(ERR, f, format, args);
-        va_end(args);
-#endif
-    }
-    inline void e(const InfoHash& f1, const InfoHash& f2, char const* format, ...) const {
-#if OPENDHT_LOG
-        va_list args;
-        va_start(args, format);
-        log2(ERR, f1, f2, format, args);
-        va_end(args);
-#endif
-    }
-private:
-    bool filterEnable_ {false};
-    InfoHash filter_ {};
-};
-
-}
@@ -0,0 +1,118 @@
+/*
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
+ *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "infohash.h"
+
+#include <fmt/format.h>
+#include <fmt/printf.h>
+
+#include <functional>
+#include <string_view>
+#include <cstdarg>
+
+namespace dht {
+namespace log {
+
+enum class LogLevel {
+    debug, warning, error
+};
+
+using LogMethod = std::function<void(LogLevel, std::string&&)>;
+
+struct OPENDHT_PUBLIC Logger {
+    Logger() = delete;
+    Logger(LogMethod&& l)
+        : logger(std::move(l)) {
+            if (!logger)
+                throw std::invalid_argument{"logger and loggerf must be set"};
+        }
+    void setFilter(const InfoHash& f) {
+        filter_ = f;
+        filterEnable_ = static_cast<bool>(filter_);
+    }
+    inline void log0(LogLevel level, fmt::string_view format, fmt::printf_args args) const {
+        if (not filterEnable_)
+            logger(level, fmt::vsprintf(format, args));
+    }
+    inline void log1(LogLevel level, const InfoHash& f, fmt::string_view format, fmt::printf_args args) const {
+        if (not filterEnable_ or f == filter_)
+            logger(level, fmt::vsprintf(format, args));
+    }
+    inline void log2(LogLevel level, const InfoHash& f1, const InfoHash& f2, fmt::string_view format, fmt::printf_args args) const {
+        if (not filterEnable_ or f1 == filter_ or f2 == filter_)
+            logger(level, fmt::vsprintf(format, args));
+    }
+    template<typename S, typename... Args>
+    inline void debug(S&& format, Args&&... args) const {
+        logger(LogLevel::debug, fmt::format(format, args...));
+    }
+    template<typename S, typename... Args>
+    inline void warn(S&& format, Args&&... args) const {
+        logger(LogLevel::warning, fmt::format(format, args...));
+    }
+    template<typename S, typename... Args>
+    inline void error(S&& format, Args&&... args) const {
+        logger(LogLevel::error, fmt::format(format, args...));
+    }
+    template <typename... T>
+    inline void d(fmt::format_string<T...> format, T&&... args) const {
+        log0(LogLevel::debug, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void d(const InfoHash& f, fmt::format_string<T...> format, T&&... args) const {
+        log1(LogLevel::debug, f, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void d(const InfoHash& f1, const InfoHash& f2, fmt::format_string<T...> format, T&&... args) const {
+        log2(LogLevel::debug, f1, f2, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void w(fmt::format_string<T...> format, T&&... args) const {
+        log0(LogLevel::warning, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void w(const InfoHash& f, fmt::format_string<T...> format, T&&... args) const {
+        log1(LogLevel::warning, f, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void w(const InfoHash& f1, const InfoHash& f2, fmt::format_string<T...> format, T&&... args) const {
+        log2(LogLevel::warning, f1, f2, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void e(fmt::format_string<T...> format, T&&... args) const {
+        log0(LogLevel::error, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void e(const InfoHash& f, fmt::format_string<T...> format, T&&... args) const {
+        log1(LogLevel::error, f, format, fmt::make_printf_args(args...));
+    }
+    template <typename... T>
+    inline void e(const InfoHash& f1, const InfoHash& f2, fmt::format_string<T...> format, T&&... args) const {
+        log2(LogLevel::error, f1, f2, format, fmt::make_printf_args(args...));
+    }
+private:
+    LogMethod logger = {};
+    bool filterEnable_ {false};
+    InfoHash filter_ {};
+};
+
+}
+using Logger = log::Logger;
+}
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *
@@ -27,7 +27,7 @@
 #include "utils.h"
 #include "rng.h"
 #include "rate_limiter.h"
-#include "log_enable.h"
+#include "logger.h"
 #include "network_utils.h"

 #include <vector>
@@ -52,6 +52,7 @@ struct NetworkConfig {
    NetId network {0};
    ssize_t max_req_per_sec {0};
    ssize_t max_peer_req_per_sec {0};
+    bool is_client {false};
 };

 class DhtProtocolException : public DhtException {
@@ -501,8 +502,6 @@ private:
    static constexpr size_t MAX_PACKET_VALUE_SIZE {600};
    static constexpr size_t MAX_MESSAGE_VALUE_SIZE {56 * 1024};

-    static const std::string my_v;
-
    void process(std::unique_ptr<ParsedMessage>&&, const SockAddr& from);

    bool rateLimit(const SockAddr& addr);
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -21,7 +21,7 @@

 #include "sockaddr.h"
 #include "utils.h"
-#include "log_enable.h"
+#include "logger.h"

 #ifdef _WIN32
 #include <ws2tcpip.h>
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *
@@ -139,7 +139,7 @@ struct Node {
     */
    Tid getNewTid() {
        ++transaction_id;
-        return transaction_id ? ++transaction_id : transaction_id;
+        return transaction_id ? transaction_id : ++transaction_id;
    }

    std::string toString() const;
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Mingrui Zhang <mingrui.zhang@savoirfairelinux.com>
 *              Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
 *
@@ -22,8 +22,10 @@
 #include "def.h"
 #include "sockaddr.h"
 #include "infohash.h"
-#include "log_enable.h"
+#include "logger.h"
+#include "utils.h"

+#include <asio/steady_timer.hpp>
 #include <thread>

 namespace asio {
@@ -36,31 +38,34 @@ class OPENDHT_PUBLIC PeerDiscovery
 {
 public:
    static constexpr in_port_t DEFAULT_PORT = 8888;
-    using ServiceDiscoveredCallback = std::function<void(msgpack::object&&, SockAddr&&)>;
+    using ServiceDiscoveredCallback = std::function<void(msgpack::object &&, SockAddr &&)>;

-    PeerDiscovery(in_port_t port = DEFAULT_PORT, std::shared_ptr<asio::io_context> ioContext = {}, std::shared_ptr<Logger> logger = {});
+    PeerDiscovery(in_port_t port = DEFAULT_PORT,
+                std::shared_ptr<asio::io_context> ioContext = {},
+                std::shared_ptr<Logger> logger = {});
    ~PeerDiscovery();

    /**
-     * startDiscovery - Keep Listening data from the sender until node is joinned or stop is called
-    */
+     * startDiscovery - Keep Listening data from the sender until node is joinned
+     * or stop is called
+     */
    void startDiscovery(const std::string &type, ServiceDiscoveredCallback callback);

-    template<typename T>
-    void startDiscovery(const std::string &type, std::function<void(T&&, SockAddr&&)> cb) {
-        startDiscovery(type, [cb](msgpack::object&& ob, SockAddr&& addr) {
+    template <typename T>
+    void startDiscovery(const std::string &type, std::function<void(T &&, SockAddr &&)> cb) {
+        startDiscovery(type, [cb](msgpack::object &&ob, SockAddr &&addr) {
            cb(ob.as<T>(), std::move(addr));
        });
    }

    /**
     * startPublish - Keeping sending data until node is joinned or stop is called
-    */
+     */
    void startPublish(const std::string &type, const msgpack::sbuffer &pack_buf);
    void startPublish(sa_family_t domain, const std::string &type, const msgpack::sbuffer &pack_buf);

-    template<typename T>
-    void startPublish(const std::string &type, const T& object) {
+    template <typename T>
+    void startPublish(const std::string &type, const T &object) {
        msgpack::sbuffer buf;
        msgpack::pack(buf, object);
        startPublish(type, buf);
@@ -68,22 +73,24 @@ public:

    /**
     * Thread Stopper
-    */
+     */
    void stop();

    /**
     * Remove possible callBack to discovery
-    */
+     */
    bool stopDiscovery(const std::string &type);

    /**
     * Remove different serivce message to send
-    */
+     */
    bool stopPublish(const std::string &type);
    bool stopPublish(sa_family_t domain, const std::string &type);

    void connectivityChanged();

+    void stopConnectivityChanged();
+
 private:
    class DomainPeerDiscovery;
    std::unique_ptr<DomainPeerDiscovery> peerDiscovery4_;
@@ -92,4 +99,4 @@ private:
    std::thread ioRunnner_;
 };

-}
+} // namespace dht
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -24,7 +24,7 @@ namespace proxy {

 constexpr const std::chrono::hours OP_TIMEOUT {24}; // one day
 constexpr const std::chrono::hours OP_MARGIN {2}; // two hours
-constexpr const char* const HTTP_PROTO {"http://"};
+
 using ListenToken = uint64_t;

 }
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -27,104 +27,49 @@
 namespace dht {
 namespace crypto {

-#ifndef _MSC_VER
-#ifdef _WIN32
-
-/**
- * Hardware random number generator using Intel RDRAND/RDSEED,
- * API-compatible with std::random_device.
+/** 
+ * Generate a seeded random engine.
 */
-class random_device {
-public:
-    using result_type = std::random_device::result_type;
-    using pseudo_engine = std::mt19937_64;
-
-    /**
-     * Current implementation assumption : result_type must be of a size
-     * supported by Intel RDRAND/RDSEED.
-     * result_type is unsigned int so this is currently safe.
-     */
-    static_assert(
-        sizeof(result_type) == 2 ||
-        sizeof(result_type) == 4 ||
-        sizeof(result_type) == 8,
-        "result_type must be 16, 32 or 64 bits");
-
-    random_device();
-
-    result_type operator()();
-
-    static constexpr result_type min() {
-        return std::numeric_limits<result_type>::lowest();
-    }
-
-    static constexpr result_type max() {
-        return std::numeric_limits<result_type>::max();
-    }
-
-    double entropy() const {
-        if (hasRdrand() or hasRdseed())
-            return 1.;
-        return 0.;
-    }
-
-    static bool hasRdrand() {
-        static const bool hasrdrand = _hasRdrand();
-        return hasrdrand;
-    }
-
-    static bool hasRdseed() {
-        static const bool hasrdseed = _hasRdseed();
-        return hasrdseed;
-    }
-
-private:
-    random_device& operator=(random_device&) = delete;
-
-    pseudo_engine gen;
-    std::uniform_int_distribution<result_type> dis {};
-
-    static bool hasIntelCpu();
-    static bool _hasRdrand();
-    static bool _hasRdseed();
-
-    struct CPUIDinfo {
-        unsigned int EAX;
-        unsigned int EBX;
-        unsigned int ECX;
-        unsigned int EDX;
-        CPUIDinfo(const unsigned int func, const unsigned int subfunc);
+template<class T = std::mt19937, std::size_t N = T::state_size+1>
+auto getSeededRandomEngine() -> typename std::enable_if<!!N, T>::type {
+    std::array<typename T::result_type, N> random_data;
+    constexpr auto gen = [](std::random_device& source) -> typename T::result_type {
+        for (unsigned j=0; j<64; j++) {
+            try {
+                return source();
+            } catch (...) {
+                std::this_thread::sleep_for(std::chrono::microseconds(500));
+            }
+        }
+        throw std::runtime_error("Can't generate random number");
    };
-    bool rdrandStep(result_type* r);
-    bool rdrand(result_type* r);
-    bool rdseedStep(result_type* r);
-    bool rdseed(result_type* r);
-};
-
-#else
-
-using random_device = std::random_device;
-
-#endif
-#else
-using random_device = std::random_device;
-#endif
-
-template<class T = std::mt19937, std::size_t N = T::state_size>
-auto getSeededRandomEngine () -> typename std::enable_if<!!N, T>::type {
-    typename T::result_type random_data[N];
-    for (unsigned i=0; i<256; i++) {
+    for (unsigned i=0; i<8; i++) {
        try {
-            random_device source;
-            std::generate(std::begin(random_data), std::end(random_data), std::ref(source));
-            std::seed_seq seeds(std::begin(random_data), std::end(random_data));
-            T seededEngine (seeds);
-            return seededEngine;
+            std::random_device source;
+            for (auto& r : random_data)
+                r = gen(source);
+            std::seed_seq seed(
+                (std::seed_seq::result_type*)random_data.data(),
+                (std::seed_seq::result_type*)(random_data.data() + random_data.size()));
+            return T(seed);
        } catch (...) {
-            std::this_thread::sleep_for(std::chrono::milliseconds(1));
+            std::this_thread::sleep_for(std::chrono::microseconds(500));
        }
    }
-    throw std::runtime_error("Can't seed random engine");
+    throw std::runtime_error("Can't seed random seed");
+}
+
+/**
+ * Generate a random engine from another source.
+ */
+template<class T = std::mt19937, std::size_t N = T::state_size+1>
+auto getDerivedRandomEngine(T& source) -> typename std::enable_if<!!N, T>::type {
+    std::array<typename T::result_type, N> random_data;
+    std::generate(random_data.begin(), random_data.end(), std::ref(source));
+    std::seed_seq seed(
+        (std::seed_seq::result_type*)random_data.data(),
+        (std::seed_seq::result_type*)(random_data.data() + random_data.size()));
+    return T(seed);
 }

 }} // dht::crypto
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -136,7 +136,7 @@ public:
    void findPublicKey(const InfoHash& node, const std::function<void(const Sp<crypto::PublicKey>)>& cb);

    Sp<crypto::Certificate> registerCertificate(const InfoHash& node, const Blob& cert);
-    void registerCertificate(Sp<crypto::Certificate>& cert);
+    void registerCertificate(const Sp<crypto::Certificate>& cert);

    Sp<crypto::Certificate> getCertificate(const InfoHash& node) const;
    Sp<crypto::PublicKey> getPublicKey(const InfoHash& node) const;
@@ -149,6 +149,9 @@ public:
    void setLocalCertificateStore(CertificateStoreQuery&& query_method) {
        localQueryMethod_ = std::move(query_method);
    }
+    void setOnPublicAddressChanged(PublicAddressChangedCb cb) override {
+        dht_->setOnPublicAddressChanged(cb);
+    }

    /**
     * SecureDht to Dht proxy
@@ -325,8 +328,8 @@ public:
     * Call linked callback with push_notification
     * @param notification to process
     */
-    void pushNotificationReceived(const std::map<std::string, std::string>& notification) override {
-        dht_->pushNotificationReceived(notification);
+    PushNotificationResult pushNotificationReceived(const std::map<std::string, std::string>& notification) override {
+        return dht_->pushNotificationReceived(notification);
    }

    void setLogger(const Logger& logger) override {
@@ -378,13 +381,13 @@ const ValueType CERTIFICATE_TYPE = {
        try {
            crypto::Certificate crt(v->data);
            // TODO check certificate signature
-            return crt.getPublicKey().getId() == id;
+            return crt.getPublicKey().getId() == id || InfoHash::get(crt.getPublicKey().getLongId()) == id;
        } catch (const std::exception& e) {}
        return false;
    },
    [](InfoHash, const Sp<Value>& o, Sp<Value>& n, const InfoHash&, const SockAddr&) {
        try {
-            return crypto::Certificate(o->data).getPublicKey().getId() == crypto::Certificate(n->data).getPublicKey().getId();
+            return crypto::Certificate(o->data).getPublicKey().getLongId() == crypto::Certificate(n->data).getPublicKey().getLongId();
        } catch (const std::exception& e) {}
        return false;
    }
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -20,6 +20,10 @@

 #include "def.h"

+#include <fmt/core.h>
+#include <fmt/format.h>
+#include <fmt/ostream.h>
+
 #ifndef _WIN32
 #include <sys/socket.h>
 #include <netinet/in.h>
@@ -48,6 +52,7 @@ typedef uint16_t in_port_t;

 namespace dht {

+OPENDHT_PUBLIC void print_addr(std::ostream& os, const sockaddr* sa, socklen_t slen);
 OPENDHT_PUBLIC std::string print_addr(const sockaddr* sa, socklen_t slen);
 OPENDHT_PUBLIC std::string print_addr(const sockaddr_storage& ss, socklen_t sslen);

@@ -289,6 +294,11 @@ public:
                               (uint8_t*)b.get()+start, len) < 0;
        }
    };
+    OPENDHT_PUBLIC friend std::ostream& operator<< (std::ostream& s, const SockAddr& h) {
+        print_addr(s, h.get(), h.getLength());
+        return s;
+    }
+
 private:
    struct free_delete { void operator()(void* p) { ::free(p); } };
    std::unique_ptr<sockaddr, free_delete> addr {};
@@ -309,3 +319,7 @@ private:
 OPENDHT_PUBLIC bool operator==(const SockAddr& a, const SockAddr& b);

 }
+
+#if FMT_VERSION >= 90000
+template <> struct fmt::formatter<dht::SockAddr> : ostream_formatter {};
+#endif
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *
 *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
@@ -37,7 +37,7 @@ public:
    static ThreadPool& io();

    ThreadPool();
-    ThreadPool(size_t maxThreads);
+    ThreadPool(unsigned minThreads, unsigned maxThreads = 0);
    ~ThreadPool();

    void run(std::function<void()>&& cb);
@@ -61,8 +61,9 @@ public:
        return get(std::move(cb));
    }

-    void stop();
+    void stop(bool wait = true);
    void join();
+    void detach();

 private:
    std::mutex lock_ {};
@@ -72,7 +73,12 @@ private:
    unsigned readyThreads_ {0};
    bool running_ {true};

+    unsigned minThreads_;
    const unsigned maxThreads_;
+    std::chrono::steady_clock::duration threadExpirationDelay {std::chrono::minutes(5)};
+    double threadDelayRatio_ {2};
+
+    void threadEnded(std::thread&);
 };

 class OPENDHT_PUBLIC Executor : public std::enable_shared_from_this<Executor> {
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -21,6 +21,7 @@
 #include "def.h"

 #include <msgpack.hpp>
+#include <fmt/format.h>

 #include <chrono>
 #include <random>
@@ -60,7 +61,7 @@ void erase_if(std::map<Key, Item>& map, const Condition& condition)
 * Split "[host]:port" or "host:port" to pair<"host", "port">.
 */
 OPENDHT_PUBLIC std::pair<std::string, std::string>
-splitPort(const std::string& s);
+splitPort(std::string_view s);

 class OPENDHT_PUBLIC DhtException : public std::runtime_error {
 public:
@@ -84,37 +85,23 @@ using duration = clock::duration;
 time_point from_time_t(std::time_t t);
 std::time_t to_time_t(time_point t);

-inline std::string
-to_str(double d) {
-    char buf[16];
-    auto ret = snprintf(buf, sizeof(buf), "%.3g", d);
-    return (ret < 0) ? std::to_string(d) : std::string(buf, ret);
-}
-
-/**
- * Converts std::chrono::duration to floating-point seconds.
- */
-template <class DT>
-static double
-print_dt(DT d) {
-    return std::chrono::duration_cast<std::chrono::duration<double>>(d).count();
-}
-
 template <class DT>
 static std::string
 print_duration(DT d) {
    if (d < std::chrono::seconds(0)) {
        return "-" + print_duration(-d);
    } else if (d < std::chrono::milliseconds(1)) {
-        return to_str(std::chrono::duration_cast<std::chrono::duration<double, std::micro>>(d).count()) +  " us";
+        return fmt::format("{:.3g} us", std::chrono::duration_cast<std::chrono::duration<double, std::micro>>(d).count());
    } else if (d < std::chrono::seconds(1)) {
-        return to_str(std::chrono::duration_cast<std::chrono::duration<double, std::milli>>(d).count()) +  " ms";
+        return fmt::format("{:.3g} ms", std::chrono::duration_cast<std::chrono::duration<double, std::milli>>(d).count());
    } else if (d < std::chrono::minutes(1)) {
-        return to_str(std::chrono::duration_cast<std::chrono::duration<double>>(d).count()) +  " s";
+        return fmt::format("{:.3g} s", std::chrono::duration_cast<std::chrono::duration<double>>(d).count());
    } else if (d < std::chrono::hours(1)) {
-        return to_str(std::chrono::duration_cast<std::chrono::duration<double, std::ratio<60>>>(d).count()) +  " min";
+        return fmt::format("{:.3g} min", std::chrono::duration_cast<std::chrono::duration<double, std::ratio<60>>>(d).count());
+    } else if (d < std::chrono::hours(72)) {
+        return fmt::format("{:.3g} h", std::chrono::duration_cast<std::chrono::duration<double, std::ratio<3600>>>(d).count());
    } else {
-        return to_str(std::chrono::duration_cast<std::chrono::duration<double, std::ratio<3600>>>(d).count()) +  " h";
+        return fmt::format("{:.3g} days", std::chrono::duration_cast<std::chrono::duration<double, std::ratio<86400>>>(d).count());
    }
 }

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *
@@ -137,8 +137,6 @@ private:
    std::map<ValueType::Id, ValueType> types {};
 };

-struct CryptoValueCache;
-
 /**
 * A "value" is data potentially stored on the Dht, with some metadata.
 *
@@ -1,5 +1,5 @@
-project('opendht', 'c', 'cpp',
-    version: '2.5.0',
+project('opendht', 'c', 'cpp', 'cython',
+    version: '3.4.0',
    default_options: [
        'cpp_std=c++17',
        'warning_level=3'
@@ -11,17 +11,18 @@ msgpack = dependency('msgpack-cxx', required : false)
 argon2 = dependency('libargon2')
 openssl = dependency('openssl', required: get_option('proxy_client'))
 jsoncpp = dependency('jsoncpp', required: get_option('proxy_client'))
+fmt = dependency('fmt')
+llhttp = dependency('llhttp', 'libllhttp', required: get_option('proxy_client'))
+io_uring = dependency('liburing', required: false)

-dirs=[]
-if host_machine.system() == 'freebsd'
-    dirs+='/usr/local/lib'
-elif host_machine.system() == 'darwin'
-    dirs+='/opt/homebrew/lib'
+deps = [fmt, gnutls, nettle, msgpack, argon2, openssl, jsoncpp, llhttp, io_uring]
+conf_data = configuration_data()
+
+add_project_arguments('-DMSGPACK_NO_BOOST', '-DASIO_STANDALONE', language : 'cpp')
+if io_uring.found()
+    add_project_arguments('-DASIO_HAS_IO_URING', '-DASIO_DISABLE_EPOLL', language : 'cpp')
+    conf_data.set('iouring_lib', ', liburing')
 endif
-http_parser = meson.get_compiler('c').find_library('http_parser', dirs: dirs, required: get_option('proxy_client'))
-deps = [gnutls, nettle, msgpack, argon2, openssl, jsoncpp, http_parser]
-
-add_project_arguments('-DMSGPACK_NO_BOOST', language : 'cpp')
 add_project_arguments(['-Wno-return-type','-Wno-deprecated','-Wnon-virtual-dtor','-pedantic-errors','-fvisibility=hidden'], language : 'cpp')

 opendht_inc = include_directories('include/opendht')
@@ -41,17 +42,28 @@ opendht_src = [
    'src/dhtrunner.cpp',
    'src/log.cpp',
    'src/op_cache.cpp',
-    'src/network_utils.cpp'
+    'src/network_utils.cpp',
+    'src/thread_pool.cpp',
 ]
+
+if get_option('indexation').enabled()
+    opendht_src += 'src/indexation/pht.cpp'
+    add_project_arguments('-DOPENDHT_INDEXATION', language : 'cpp')
+endif
 if jsoncpp.found()
    opendht_src += ['src/base64.cpp']
    add_project_arguments('-DOPENDHT_JSONCPP', language : 'cpp')
+    conf_data.set('jsoncpp_lib', ', jsoncpp')
 endif
-if http_parser.found()
+if llhttp.found()
    opendht_src += ['src/http.cpp', 'src/compat/os_cert.cpp']
    if host_machine.system() == 'darwin'
        deps+=dependency('appleframeworks', modules : ['CoreFoundation', 'Security'])
    endif
+    conf_data.set('http_lib', '-lllhttp')
+endif
+if openssl.found()
+    conf_data.set('openssl_lib', ', openssl')
 endif
 if get_option('proxy_client').enabled()
    opendht_src += ['src/dht_proxy_client.cpp']
@@ -61,28 +73,169 @@ if get_option('proxy_server').enabled()
    opendht_src += 'src/dht_proxy_server.cpp'
    add_project_arguments('-DOPENDHT_PROXY_SERVER', language : 'cpp')
 endif
+if get_option('push_notifications').enabled()
+    add_project_arguments('-DOPENDHT_PUSH_NOTIFICATIONS', language : 'cpp')
+endif
 if get_option('peer_discovery').enabled()
    opendht_src += 'src/peer_discovery.cpp'
    add_project_arguments('-DOPENDHT_PEER_DISCOVERY', language : 'cpp')
 endif
-opendht = shared_library('opendht',
+opendht = library('opendht',
    opendht_src,
    include_directories : opendht_inc,
    dependencies : deps,
    cpp_args : ['-DOPENHT_BUILD', '-Dopendht_EXPORTS'],
    install : true)

+conf_data.set('VERSION', meson.project_version())
+conf_data.set('prefix', get_option('prefix'))
+conf_data.set('exec_prefix', get_option('prefix'))
+conf_data.set('libdir', join_paths(get_option('prefix'), get_option('libdir')))
+conf_data.set('includedir', join_paths(get_option('prefix'), get_option('includedir')))
+conf_data.set('argon2_lib', ', libargon2')
+
+configure_file(input : 'opendht.pc.in',
+               output : 'opendht.pc',
+               configuration : conf_data,
+               install: true,
+               install_dir: join_paths(get_option('prefix'), get_option('libdir'), 'pkgconfig'))
+
 readline = meson.get_compiler('c').find_library('readline', required: get_option('tools'))
+
+if get_option('c').enabled()
+    opendht_c = library('opendht-c',
+        ['c/opendht.cpp',  'c/opendht_c.h'],
+        include_directories : opendht_interface_inc,
+        link_with : opendht,
+        dependencies : [msgpack, jsoncpp, fmt],
+        cpp_args : ['-DOPENDHT_C_BUILD', '-Dopendht_c_EXPORTS'],
+        install : true)
+    
+    configure_file(input : 'opendht-c.pc.in',
+                   output : 'opendht-c.pc',
+                   configuration : conf_data,
+                   install: true,
+                   install_dir: join_paths(get_option('prefix'), get_option('libdir'), 'pkgconfig'))
+
+    if get_option('tools').enabled()
+        dhtcnode = executable('dhtcnode', 'tools/dhtcnode.c',
+            include_directories : ['c', opendht_interface_inc],
+            link_with : opendht_c,
+            dependencies : [readline],
+            install : true)
+    endif
+endif
+
+if get_option('python').require(get_option('indexation').enabled(), error_message: 'python requires indexation').allowed()
+    py = import('python').find_installation()
+    dep_py = py.dependency()
+    py.extension_module(
+        'opendht',
+        'python/opendht.pyx',
+        include_directories : opendht_interface_inc,
+        override_options : ['cython_language=cpp'],
+        link_with : [opendht],
+        dependencies : [msgpack, jsoncpp, fmt, dep_py],
+        install : true
+    )
+endif
+
 if get_option('tools').enabled()
    dhtnode = executable('dhtnode', 'tools/dhtnode.cpp',
        include_directories : opendht_interface_inc,
        link_with : opendht,
-        dependencies : [readline, msgpack],
+        dependencies : [readline, jsoncpp, msgpack, fmt, openssl],
        install : true)
-    if http_parser.found()
-        durl = executable('durl', 'tools/durl.cpp',
+    dhtchat = executable('dhtchat', 'tools/dhtchat.cpp',
        include_directories : opendht_interface_inc,
        link_with : opendht,
-        dependencies : [msgpack, openssl])
+        dependencies : [readline, jsoncpp, msgpack, fmt, openssl],
+        install : true)
+    dhtscanner = executable('dhtscanner', 'tools/dhtscanner.cpp',
+        include_directories : opendht_interface_inc,
+        link_with : opendht,
+        dependencies : [readline, jsoncpp, msgpack, fmt, openssl],
+        install : true)
+    if llhttp.found()
+        durl = executable('durl', 'tools/durl.cpp',
+            include_directories : opendht_interface_inc,
+            link_with : opendht,
+            dependencies : [msgpack, openssl])
+    endif
+endif
+
+# Unit tests
+if get_option('tests').enabled()
+    cppunit = dependency('cppunit')
+
+    test_infohash = executable('test_infohash',
+        'tests/infohashtester.cpp', 'tests/tests_runner.cpp',
+        include_directories : opendht_interface_inc,
+        link_with : opendht,
+        dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+    test('Infohash', test_infohash)
+
+    test_value = executable('test_value',
+        'tests/valuetester.cpp', 'tests/tests_runner.cpp',
+        include_directories : opendht_interface_inc,
+        link_with : opendht,
+        dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+    test('Value', test_value)
+
+    test_crypto = executable('test_crypto',
+        'tests/cryptotester.cpp', 'tests/tests_runner.cpp',
+        include_directories : opendht_interface_inc,
+        link_with : opendht,
+        dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+    test('Crypto', test_crypto)
+
+    test_dhtrunner = executable('test_dhtrunner',
+        'tests/dhtrunnertester.cpp', 'tests/tests_runner.cpp',
+        include_directories : opendht_interface_inc,
+        link_with : opendht,
+        dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+    test('DhtRunner', test_dhtrunner)
+
+    test_threadpool = executable('test_threadpool',
+        'tests/threadpooltester.cpp', 'tests/tests_runner.cpp',
+        include_directories : opendht_interface_inc,
+        link_with : opendht,
+        dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+    test('ThreadPool', test_threadpool)
+
+    if get_option('proxy_client').enabled() or get_option('proxy_server').enabled()
+        test_http = executable('test_http',
+            'tests/httptester.cpp', 'tests/tests_runner.cpp',
+            include_directories : opendht_interface_inc,
+            link_with : opendht,
+            dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+        test('Http', test_http)
+    endif
+
+    if get_option('peer_discovery').enabled()
+        test_peerdiscovery = executable('test_peerdiscovery',
+            'tests/peerdiscoverytester.cpp', 'tests/tests_runner.cpp',
+            include_directories : opendht_interface_inc,
+            link_with : opendht,
+            dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+        test('PeerDiscovery', test_peerdiscovery)
+    endif
+
+    if get_option('proxy_server').enabled()
+        test_proxy = executable('test_dhtproxy',
+            'tests/dhtproxytester.cpp', 'tests/tests_runner.cpp',
+            include_directories : opendht_interface_inc,
+            link_with : opendht,
+            dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+        test('DhtProxy', test_proxy)
+
+        if get_option('long_tests').enabled()
+            test_proxystress = executable('test_dhtproxystress',
+                'tests/dhtproxy_stress_tester.cpp', 'tests/tests_runner.cpp',
+                include_directories : opendht_interface_inc,
+                link_with : opendht,
+                dependencies : [cppunit, jsoncpp, fmt, openssl, msgpack])
+            test('DhtProxy Stress', test_proxystress)
+        endif
    endif
 endif
@@ -0,0 +1,10 @@
+option('proxy_client', type : 'feature', value : 'disabled')
+option('proxy_server', type : 'feature', value : 'disabled')
+option('push_notifications', type : 'feature', value : 'disabled')
+option('peer_discovery', type : 'feature', value : 'enabled')
+option('tools', type : 'feature', value : 'enabled')
+option('c', type : 'feature', value : 'enabled')
+option('indexation', type : 'feature', value : 'enabled')
+option('python', type : 'feature', value : 'enabled')
+option('tests', type : 'feature', value : 'enabled')
+option('long_tests', type : 'feature', value : 'disabled')
@@ -1,4 +0,0 @@
-option('proxy_client', type : 'feature', value : 'disabled')
-option('proxy_server', type : 'feature', value : 'disabled')
-option('peer_discovery', type : 'feature', value : 'enabled')
-option('tools', type : 'feature', value : 'enabled')
@@ -6,7 +6,7 @@ Name: OpenDHT
 Description: C++17 Distributed Hash Table library
 Version: @VERSION@
 Libs: -L${libdir} -lopendht
-Libs.private: @http_parser_lib@ -pthread
+Libs.private: @http_lib@ -pthread
 Requires: gnutls >= 3.3@jsoncpp_lib@@openssl_lib@
-Requires.private: nettle >= 2.4@argon2_lib@
+Requires.private: nettle >= 2.4@argon2_lib@@iouring_lib@
 Cflags: -I${includedir}
@@ -5,7 +5,7 @@
 # distutils: libraries = opendht gnutls
 # cython: language_level=3
 #
-# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
 # Author(s): Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
 #            Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
@@ -42,7 +42,7 @@ cimport opendht_cpp as cpp

 import threading

-cdef inline void lookup_callback(cpp.vector[cpp.shared_ptr[cpp.IndexValue]]* values, cpp.Prefix* p, void *user_data) with gil:
+cdef inline void lookup_callback(cpp.vector[cpp.shared_ptr[cpp.IndexValue]]* values, cpp.Prefix* p, void *user_data) noexcept with gil:
    cbs = <object>user_data
    if 'lookup' in cbs and cbs['lookup']:
        vals = []
@@ -52,13 +52,13 @@ cdef inline void lookup_callback(cpp.vector[cpp.shared_ptr[cpp.IndexValue]]* val
            vals.append(v)
        cbs['lookup'](vals, p.toString())

-cdef inline void shutdown_callback(void* user_data) with gil:
+cdef inline void shutdown_callback(void* user_data) noexcept with gil:
    cbs = <object>user_data
    if 'shutdown' in cbs and cbs['shutdown']:
        cbs['shutdown']()
    ref.Py_DECREF(cbs)

-cdef inline bool get_callback(shared_ptr[cpp.Value] value, void *user_data) with gil:
+cdef inline bool get_callback(shared_ptr[cpp.Value] value, void *user_data) noexcept with gil:
    cbs = <object>user_data
    cb = cbs['get']
    f = cbs['filter'] if 'filter' in cbs else None
@@ -66,7 +66,7 @@ cdef inline bool get_callback(shared_ptr[cpp.Value] value, void *user_data) with
    pv._value = value
    return cb(pv) if not f or f(pv) else True

-cdef inline bool value_callback(shared_ptr[cpp.Value] value, bool expired, void *user_data) with gil:
+cdef inline bool value_callback(shared_ptr[cpp.Value] value, bool expired, void *user_data) noexcept with gil:
    cbs = <object>user_data
    cb = cbs['valcb']
    f = cbs['filter'] if 'filter' in cbs else None
@@ -74,7 +74,7 @@ cdef inline bool value_callback(shared_ptr[cpp.Value] value, bool expired, void
    pv._value = value
    return cb(pv, expired) if not f or f(pv) else True

-cdef inline void done_callback(bool done, cpp.vector[shared_ptr[cpp.Node]]* nodes, void *user_data) with gil:
+cdef inline void done_callback(bool done, cpp.vector[shared_ptr[cpp.Node]]* nodes, void *user_data) noexcept with gil:
    node_ids = []
    for n in deref(nodes):
        h = NodeEntry()
@@ -86,7 +86,7 @@ cdef inline void done_callback(bool done, cpp.vector[shared_ptr[cpp.Node]]* node
        cbs['done'](done, node_ids)
    ref.Py_DECREF(cbs)

-cdef inline void done_callback_simple(bool done, void *user_data) with gil:
+cdef inline void done_callback_simple(bool done, void *user_data) noexcept with gil:
    cbs = <object>user_data
    if 'done' in cbs and cbs['done']:
        cbs['done'](done)
@@ -158,6 +158,15 @@ cdef class SockAddr(object):
        return self.toString().decode()
    def __repr__(self):
        return "<%s '%s'>" % (self.__class__.__name__, str(self))
+    @staticmethod
+    def resolve(str host, str service=None):
+        vals = []
+        result = cpp.SockAddr.resolve(host.encode(), service.encode() if service else b'')
+        for val in result:
+            a = SockAddr()
+            a._addr = val
+            vals.append(a)
+        return vals

 cdef class Node(_WithID):
    cdef shared_ptr[cpp.Node] _node
@@ -453,11 +462,31 @@ cdef class Identity(object):
            k._key = self._id.first
            return k

+def aesEncrypt(bytes data, str password) -> bytes :
+    cdef size_t d_len = len(data)
+    cdef cpp.uint8_t* d_ptr = <cpp.uint8_t*>data
+    cdef cpp.Blob indat
+    indat.assign(d_ptr, <cpp.uint8_t*>(d_ptr + d_len))
+    cdef cpp.Blob encrypted = cpp.aesEncrypt(indat, password.encode())
+    cdef char* encrypted_c_str = <char *>encrypted.data()
+    cdef Py_ssize_t length = encrypted.size()
+    return encrypted_c_str[:length]
+
+def aesDecrypt(bytes data, str password) -> bytes :
+    cdef size_t d_len = len(data)
+    cdef cpp.uint8_t* d_ptr = <cpp.uint8_t*>data
+    cdef cpp.Blob indat
+    indat.assign(d_ptr, <cpp.uint8_t*>(d_ptr + d_len))
+    cdef cpp.Blob decrypted = cpp.aesDecrypt(indat, password.encode())
+    cdef char* decrypted_c_str = <char *>decrypted.data()
+    cdef Py_ssize_t length = decrypted.size()
+    return decrypted_c_str[:length]
+
 cdef class DhtConfig(object):
    cdef cpp.DhtRunnerConfig _config
    def __init__(self):
        self._config = cpp.DhtRunnerConfig()
-        self._config.threaded = True;
+        self._config.threaded = True
    def setIdentity(self, Identity id):
        self._config.dht_config.id = id._id
    def setBootstrapMode(self, bool bootstrap):
@@ -471,6 +500,20 @@ cdef class DhtConfig(object):
    def setRateLimit(self, ssize_t max_req_per_sec, ssize_t max_peer_req_per_sec):
        self._config.dht_config.node_config.max_req_per_sec = max_req_per_sec
        self._config.dht_config.node_config.max_peer_req_per_sec = max_peer_req_per_sec
+    def setProxyInfo(self, str proxy_server, str push_node_id="", str push_token="", str push_topic="", str push_platform="", str user_agent="", Certificate server_ca = Certificate()):
+        self._config.proxy_server = proxy_server.encode()
+        self._config.push_node_id = push_node_id.encode()
+        self._config.push_token = push_token.encode()
+        self._config.push_topic = push_topic.encode()
+        self._config.push_platform = push_platform.encode()
+        self._config.proxy_user_agent = user_agent.encode()
+        self._config.server_ca = server_ca._cert
+    def setPeerDiscovery(self, bool peer_discovery, bool peer_publish):
+        self._config.peer_discovery = peer_discovery
+        self._config.peer_publish = peer_publish
+    def setBound(self, SockAddr bind4, SockAddr bind6):
+        self._config.bind4 = bind4._addr
+        self._config.bind6 = bind6._addr

 cdef class DhtRunner(_WithID):
    cdef cpp.shared_ptr[cpp.DhtRunner] thisptr
@@ -587,7 +630,8 @@ cdef class DhtRunner(_WithID):
                while pending > 0:
                    lock.wait()
            return res
-    def put(self, InfoHash key, Value val, done_cb=None):
+
+    def put(self, InfoHash key, Value val, done_cb=None, permanent=False):
        """Publish a new value on the DHT at key.

        key     -- the DHT key where to put the value
@@ -597,7 +641,7 @@ cdef class DhtRunner(_WithID):
        if done_cb:
            cb_obj = {'done':done_cb}
            ref.Py_INCREF(cb_obj)
-            self.thisptr.get().put(key._infohash, val._value, cpp.bindDoneCb(done_callback, <void*>cb_obj))
+            self.thisptr.get().put(key._infohash, val._value, cpp.bindDoneCb(done_callback, <void*>cb_obj), cpp.time_point.max(), permanent)
        else:
            lock = threading.Condition()
            pending = 0
@@ -614,6 +658,76 @@ cdef class DhtRunner(_WithID):
                while pending > 0:
                    lock.wait()
            return ok
+
+    def putSigned(self, InfoHash key, Value val, done_cb=None, permanent=False):
+        if done_cb:
+            cb_obj = {'done':done_cb}
+            ref.Py_INCREF(cb_obj)
+            self.thisptr.get().putSigned(key._infohash, val._value, cpp.bindDoneCb(done_callback, <void*>cb_obj), permanent)
+        else:
+            lock = threading.Condition()
+            pending = 0
+            ok = False
+            def tmp_done(ok_ret, nodes):
+                nonlocal pending, ok, lock
+                with lock:
+                    ok = ok_ret
+                    pending -= 1
+                    lock.notify()
+            with lock:
+                pending += 1
+                self.putSigned(key, val, done_cb=tmp_done)
+                while pending > 0:
+                    lock.wait()
+            return ok
+
+    def putEncrypted(self, InfoHash key, InfoHash to, Value val, done_cb=None, bool permanent=False):
+        if done_cb:
+            cb_obj = {'done':done_cb}
+            ref.Py_INCREF(cb_obj)
+            self.thisptr.get().putEncrypted(key._infohash, to._infohash, val._value, cpp.bindDoneCb(done_callback, <void*>cb_obj), permanent)
+        else:
+            lock = threading.Condition()
+            pending = 0
+            ok = False
+            def tmp_done(ok_ret, nodes):
+                nonlocal pending, ok, lock
+                with lock:
+                    ok = ok_ret
+                    pending -= 1
+                    lock.notify()
+            with lock:
+                pending += 1
+                self.putEncrypted(key, to, val, done_cb=tmp_done, permanent=permanent)
+                while pending > 0:
+                    lock.wait()
+            return ok
+
+    def putEncrypted(self, InfoHash key, PublicKey to, Value val, done_cb=None, bool permanent=False):
+        if done_cb:
+            cb_obj = {'done':done_cb}
+            ref.Py_INCREF(cb_obj)
+            self.thisptr.get().putEncrypted(key._infohash, to._key, val._value, cpp.bindDoneCb(done_callback, <void*>cb_obj), permanent)
+        else:
+            lock = threading.Condition()
+            pending = 0
+            ok = False
+            def tmp_done(ok_ret, nodes):
+                nonlocal pending, ok, lock
+                with lock:
+                    ok = ok_ret
+                    pending -= 1
+                    lock.notify()
+            with lock:
+                pending += 1
+                self.putEncrypted(key, to, val, done_cb=tmp_done, permanent=permanent)
+                while pending > 0:
+                    lock.wait()
+            return ok
+
+    def cancelPut(self, InfoHash key, Value val):
+        self.thisptr.get().cancelPut(key._infohash, val._value)
+
    def listen(self, InfoHash key, value_cb):
        t = ListenToken()
        t._h = key._infohash
@@ -1,4 +1,4 @@
-# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #
@@ -21,12 +21,13 @@ from libcpp.string cimport string
 from libcpp.vector cimport vector
 from libcpp.utility cimport pair
 from libcpp.map cimport map
+from libcpp.memory cimport shared_ptr, make_shared
 from libc.string cimport const_char, const_uchar

 ctypedef uint16_t in_port_t
 ctypedef unsigned short int sa_family_t;

-cdef extern from "<iostream>" namespace "std::chrono" nogil:
+cdef extern from "<chrono>" namespace "std::chrono" nogil:
    cdef cppclass duration[ulong]:
        duration() except +

@@ -34,16 +35,6 @@ cdef extern from "<iostream>" namespace "std::chrono" nogil:
        duration seconds(uint64_t) except +
        duration seconds()

-cdef extern from "<memory>" namespace "std" nogil:
-    cdef cppclass shared_ptr[T]:
-        shared_ptr() except +
-        shared_ptr(T*) except +
-        T* get()
-        T operator*()
-        bool operator bool() const
-        void reset(T*)
-    shared_ptr[T] make_shared[T](...) except +
-
 cdef extern from "<functional>" namespace "std" nogil:
    cdef cppclass hash[T]:
        hash() except +
@@ -59,6 +50,13 @@ cdef extern from "<future>" namespace "std" nogil:
        bool valid() const
        shared_future[T] share()

+cdef extern from "opendht/utils.h" namespace "dht":
+    cdef cppclass time_point:
+        @staticmethod
+        time_point min() const
+        @staticmethod
+        time_point max() const
+
 cdef extern from "opendht/infohash.h" namespace "dht":
    cdef cppclass InfoHash:
        InfoHash() except +
@@ -88,12 +86,16 @@ cdef extern from "opendht/sockaddr.h" namespace "dht":
        bool isLoopback() const
        bool isPrivate() const
        bool isUnspecified() const
+        @staticmethod
+        vector[SockAddr] resolve(string host, string service) except +

 ctypedef vector[uint8_t] Blob

 cdef extern from "opendht/crypto.h" namespace "dht::crypto":
    ctypedef pair[shared_ptr[PrivateKey], shared_ptr[Certificate]] Identity
    cdef Identity generateIdentity(string name, Identity ca, unsigned bits)
+    cdef Blob aesEncrypt(Blob data, string password) except +
+    cdef Blob aesDecrypt(Blob encrypted, string password) except +

    cdef cppclass PrivateKey:
        PrivateKey()
@@ -239,6 +241,19 @@ cdef extern from "opendht/dhtrunner.h" namespace "dht":
        cppclass Config:
            SecureDhtConfig dht_config
            bool threaded
+            string proxy_server
+            string push_node_id
+            string push_token
+            string push_topic
+            string push_platform
+            string proxy_user_agent
+            bool peer_discovery
+            bool peer_publish
+            shared_ptr[Certificate] server_ca
+            Identity client_identity
+            SockAddr bind4
+            SockAddr bind6
+
        InfoHash getId() const
        InfoHash getNodeId() const
        void bootstrap(const_char*, const_char*)
@@ -254,7 +269,11 @@ cdef extern from "opendht/dhtrunner.h" namespace "dht":
        string getRoutingTablesLog(sa_family_t af) const
        string getSearchesLog(sa_family_t af) const
        void get(InfoHash key, GetCallback get_cb, DoneCallback done_cb, nullptr_t f, Where w)
-        void put(InfoHash key, shared_ptr[Value] val, DoneCallback done_cb)
+        void put(InfoHash key, shared_ptr[Value] val, DoneCallback done_cb, time_point created, bool permanent)
+        void putSigned(InfoHash key, shared_ptr[Value] val, DoneCallback done_cb, bool permanent) 
+        void putEncrypted(InfoHash key, InfoHash to, shared_ptr[Value] val, DoneCallback done_cb, bool permanent)
+        void putEncrypted(InfoHash key, shared_ptr[PublicKey] to, shared_ptr[Value] val, DoneCallback done_cb, bool permanent)
+        void cancelPut(InfoHash key, shared_ptr[Value] val)
        ListenToken listen(InfoHash key, ValueCallback get_cb)
        void cancelListen(InfoHash key, SharedListenToken token)
        vector[unsigned] getNodeMessageStats(bool i)
@@ -1,4 +1,4 @@
-# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 # Author: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
@@ -32,17 +32,14 @@ setup(name="opendht",
      author="Adrien Béraud, Guillaume Roguez, Simon Désaulniers",
      license="GPLv3",
      classifiers=[
-          'Development Status :: 3 - Alpha',
+          'Development Status :: 5 - Production/Stable',
          'Intended Audience :: Developers',
          'Topic :: Software Development :: Libraries :: Python Modules',
          'Topic :: System :: Distributed Computing',
          'Topic :: System :: Networking'
          'License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)',
          'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.2',
-          'Programming Language :: Python :: 3.3',
-          'Programming Language :: Python :: 3.4',
-          'Programming Language :: Python :: 3.5',
+          'Programming Language :: Python :: 3.7',
      ],
      cmdclass = { 'build_ext' : build_ext },
      ext_modules = cythonize(Extension(
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2015-2022 Savoir-Faire Linux Inc.
+# Copyright (C) 2015-2023 Savoir-Faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2016-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2016-2023 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -72,7 +72,7 @@ if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Launch an OpenDHT node with an HTTP control interface')
    parser.add_argument('-p', '--port', help='OpenDHT port to bind', type=int, default=4222)
    parser.add_argument('-hp', '--http-port', help='HTTP port to bind', type=int, default=8080)
-    parser.add_argument('-b', '--bootstrap', help='bootstrap address', default="bootstrap.ring.cx:4222")
+    parser.add_argument('-b', '--bootstrap', help='bootstrap address', default="bootstrap.jami.net:4222")
    args = parser.parse_args()
    endpoints.serverFromString(reactor, "tcp:"+str(args.http_port)).listen(server.Site(DhtServer(args.port, args.bootstrap)))
    reactor.run()
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -24,7 +24,7 @@ from datetime import datetime
 import opendht as dht

 parser = argparse.ArgumentParser(description='Create a dht network of -n nodes')
-parser.add_argument('-b', '--bootstrap', help='bootstrap address', default='bootstrap.ring.cx')
+parser.add_argument('-b', '--bootstrap', help='bootstrap address', default='bootstrap.jami.net')
 parser.add_argument('-n', '--num-ops', help='number of concurrent operations on the DHT', type=int, default=8)
 parser.add_argument('-p', '--period', help='duration between each test (seconds)', type=int, default=60)
 parser.add_argument('-t', '--timeout', help='timeout for a test to complete (seconds)', type=float, default=15)
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -25,8 +25,7 @@ config.setRateLimit(-1, -1)
 ping_node = dht.DhtRunner()
 ping_node.run(config=config)
 #ping_node.enableLogging()
-#ping_node.bootstrap("bootstrap.ring.cx", "4222")
-
+#ping_node.bootstrap("bootstrap.jami.net", "4222")
 pong_node = dht.DhtRunner()
 pong_node.run(config=config)
 #pong_node.enableLogging()
@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2023 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -2,10 +2,10 @@
 name = "opendht"
 version = "0.1.0"
 authors = ["Sébastien Blin <sebastien.blin@savoirfairelinux.com>"]
-edition = "2018"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+edition = "2021"

 [dependencies]
-libc="0.2.0"
-os_socketaddr="0.2.3"
+libc="0.2"
+os_socketaddr="0.2.3"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -49,6 +49,7 @@ impl DhtRunnerConfig {
            push_token: ptr::null(),
            push_topic: ptr::null(),
            push_platform: ptr::null(),
+            proxy_user_agent: ptr::null(),
            peer_discovery: false,
            peer_publish: false,
            server_ca: ptr::null_mut(),
@@ -56,6 +57,7 @@ impl DhtRunnerConfig {
                privatekey: ptr::null_mut(),
                certificate: ptr::null_mut(),
            },
+            log: true,
        });
        unsafe {
            dht_runner_config_default(&mut *config);
@@ -64,23 +66,27 @@ impl DhtRunnerConfig {
    }

    pub fn set_proxy_server(&mut self, proxy_server: &str) {
-        self.proxy_server = CString::new(proxy_server).unwrap().as_ptr();
+        self.proxy_server = CString::new(proxy_server).unwrap().into_raw();
    }

    pub fn set_push_node_id(&mut self, push_node_id: &str) {
-        self.push_node_id = CString::new(push_node_id).unwrap().as_ptr();
+        self.push_node_id = CString::new(push_node_id).unwrap().into_raw();
    }

    pub fn set_push_token(&mut self, push_token: &str) {
-        self.push_token = CString::new(push_token).unwrap().as_ptr();
+        self.push_token = CString::new(push_token).unwrap().into_raw();
    }

    pub fn set_push_topic(&mut self, push_topic: &str) {
-        self.push_topic = CString::new(push_topic).unwrap().as_ptr();
+        self.push_topic = CString::new(push_topic).unwrap().into_raw();
    }

    pub fn set_push_platform(&mut self, push_platform: &str) {
-        self.push_platform = CString::new(push_platform).unwrap().as_ptr();
+        self.push_platform = CString::new(push_platform).unwrap().into_raw();
+    }
+
+    pub fn set_proxy_user_agent(&mut self, proxy_user_agent: &str) {
+        self.proxy_user_agent = CString::new(proxy_user_agent).unwrap().into_raw();
    }

    pub fn set_identity(&mut self, certificate: Box<DhtCertificate>, privatekey: Box<PrivateKey>) {
@@ -93,7 +99,7 @@ impl DhtRunnerConfig {
 impl DhtNodeConfig
 {
    pub fn set_persist_path(&mut self, persist_path: &str) {
-        self.persist_path = CString::new(persist_path).unwrap().as_ptr();
+        self.persist_path = CString::new(persist_path).unwrap().into_raw();
    }
 }

@@ -197,8 +203,8 @@ impl DhtRunner {
    pub fn bootstrap(&mut self, host: &str, service: u16) {
        unsafe {
            dht_runner_bootstrap(&mut *self,
-                CString::new(host).unwrap().as_ptr(),
-                CString::new(service.to_string()).unwrap().as_ptr())
+                CString::new(host).unwrap().into_raw(),
+                CString::new(service.to_string()).unwrap().into_raw())
        }
    }

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -120,13 +120,14 @@ pub struct DhtRunnerConfig
    pub push_token: *const c_char,
    pub push_topic: *const c_char,
    pub push_platform: *const c_char,
+    pub proxy_user_agent: *const c_char,
    pub peer_discovery: bool,
    pub peer_publish: bool,
    pub server_ca: *mut DhtCertificate,
    pub client_identity: DhtIdentity,
+    pub log: bool,
 }

-
 #[link(name = "opendht-c")]
 extern {
    // dht::Value
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -29,16 +29,13 @@ libopendht_la_SOURCES  = \
        network_utils.cpp \
        thread_pool.cpp

-if WIN32
-libopendht_la_SOURCES += rng.cpp
-endif
-
 nobase_include_HEADERS = \
        ../include/opendht.h \
        ../include/opendht/def.h \
        ../include/opendht/dht.h \
        ../include/opendht/callbacks.h \
        ../include/opendht/node_cache.h \
+        ../include/opendht/node_export.h \
        ../include/opendht/routing_table.h \
        ../include/opendht/network_engine.h \
        ../include/opendht/scheduler.h \
@@ -53,7 +50,7 @@ nobase_include_HEADERS = \
        ../include/opendht/dhtrunner.h \
        ../include/opendht/default_types.h \
        ../include/opendht/log.h \
-        ../include/opendht/log_enable.h \
+        ../include/opendht/logger.h \
        ../include/opendht/network_utils.h \
        ../include/opendht/rng.h \
        ../include/opendht/thread_pool.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -0,0 +1,39 @@
+//Code from getifaddrs.3 man
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <ifaddrs.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <net/if.h>
+#include <asio.hpp>
+#include <stdexcept>
+namespace dht{
+namespace workaround{
+
+asio::ip::address_v4
+get_interface(){
+    struct ifaddrs *ifaddr;
+    if(getifaddrs(&ifaddr) == -1){
+        throw std::runtime_error("Can't getifaddrs");
+    }
+    for (struct ifaddrs *if1 = ifaddr; if1 != NULL; if1 = if1->ifa_next){
+        if (if1->ifa_addr == NULL)
+            continue;
+        if (if1->ifa_addr->sa_family != AF_INET)
+            continue;
+        if((if1->ifa_flags & IFF_MULTICAST) == IFF_MULTICAST){
+            auto sa_data = reinterpret_cast<uint8_t*>(if1->ifa_addr->sa_data);
+            uint32_t value = sa_data[2] << 24
+                | sa_data[3] << 16
+                | sa_data[4] << 8
+                | sa_data[5];
+            freeifaddrs(ifaddr);
+            return asio::ip::address_v4(value);
+        }
+    }
+    freeifaddrs(ifaddr);
+    throw std::runtime_error("Can't find a interface which supports multicast");
+}
+
+} /* namespace workaround */
+} /* namespace dht */
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *
 *  Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
 *
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -17,8 +17,7 @@
 */

 #include "os_cert.h"
-
-#include "log_enable.h"
+#include "logger.h"

 #ifdef _WIN32
 #include <windows.h>
@@ -32,96 +31,6 @@
 #include <Security/Security.h>
 #endif /*TARGET_OS_OSX*/

-#if EMBEDDED_ASN1_TIME_PARSE
-#undef X509_NAME
-#undef OCSP_REQUEST
-#undef OCSP_RESPONSE
-#define GENTIME_LENGTH 15
-#define UTCTIME_LENGTH 13
-#define ATOI2(ar)      ((ar) += 2, ((ar)[-2] - '0') * 10 + ((ar)[-1] - '0'))
-extern "C" {
-// Taken from libressl/src/crypto/asn1/a_time_tm.c
-int
-ASN1_time_parse(const char* bytes, size_t len, struct tm* tm, int mode)
-{
-    size_t i;
-    int type = 0;
-    struct tm ltm;
-    struct tm* lt;
-    const char* p;
-
-    if (bytes == NULL)
-        return (-1);
-
-    /* Constrain to valid lengths. */
-    if (len != UTCTIME_LENGTH && len != GENTIME_LENGTH)
-        return (-1);
-
-    lt = tm;
-    if (lt == NULL) {
-        memset(&ltm, 0, sizeof(ltm));
-        lt = &ltm;
-    }
-
-    /* Timezone is required and must be GMT (Zulu). */
-    if (bytes[len - 1] != 'Z')
-        return (-1);
-
-    /* Make sure everything else is digits. */
-    for (i = 0; i < len - 1; i++) {
-        if (isdigit((unsigned char) bytes[i]))
-            continue;
-        return (-1);
-    }
-
-    /*
-     * Validate and convert the time
-     */
-    p = bytes;
-    switch (len) {
-    case GENTIME_LENGTH:
-        if (mode == V_ASN1_UTCTIME)
-            return (-1);
-        lt->tm_year = (ATOI2(p) * 100) - 1900; /* cc */
-        type = V_ASN1_GENERALIZEDTIME;
-        /* FALLTHROUGH */
-    case UTCTIME_LENGTH:
-        if (type == 0) {
-            if (mode == V_ASN1_GENERALIZEDTIME)
-                return (-1);
-            type = V_ASN1_UTCTIME;
-        }
-        lt->tm_year += ATOI2(p); /* yy */
-        if (type == V_ASN1_UTCTIME) {
-            if (lt->tm_year < 50)
-                lt->tm_year += 100;
-        }
-        lt->tm_mon = ATOI2(p) - 1; /* mm */
-        if (lt->tm_mon < 0 || lt->tm_mon > 11)
-            return (-1);
-        lt->tm_mday = ATOI2(p); /* dd */
-        if (lt->tm_mday < 1 || lt->tm_mday > 31)
-            return (-1);
-        lt->tm_hour = ATOI2(p); /* HH */
-        if (lt->tm_hour < 0 || lt->tm_hour > 23)
-            return (-1);
-        lt->tm_min = ATOI2(p); /* MM */
-        if (lt->tm_min < 0 || lt->tm_min > 59)
-            return (-1);
-        lt->tm_sec = ATOI2(p); /* SS */
-        /* Leap second 60 is not accepted. Reconsider later? */
-        if (lt->tm_sec < 0 || lt->tm_sec > 59)
-            return (-1);
-        break;
-    default:
-        return (-1);
-    }
-
-    return type;
-}
-}
-#endif /* EMBEDDED_ASN1_TIME_PARSE */
-
 namespace dht {
 namespace http {

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -18,42 +18,12 @@

 #pragma once

-#include "log_enable.h"
+#include "logger.h"

 #include <memory>

 #include <openssl/x509.h>

-#if (defined(LIBRESSL_VERSION_NUMBER) && (LIBRESSL_VERSION_NUMBER > 0x20501000L))
-#define EMBEDDED_ASN1_TIME_PARSE 0
-#else
-#define EMBEDDED_ASN1_TIME_PARSE 1
-#endif
-
-#if EMBEDDED_ASN1_TIME_PARSE
-#define V_ASN1_UTCTIME         23
-#define V_ASN1_GENERALIZEDTIME 24
-
-extern "C" {
-/*
- * Parse an RFC 5280 format ASN.1 time string.
- *
- * mode must be:
- * 0 if we expect to parse a time as specified in RFC 5280 for an X509 object.
- * V_ASN1_UTCTIME if we wish to parse an RFC5280 format UTC time.
- * V_ASN1_GENERALIZEDTIME if we wish to parse an RFC5280 format Generalized time.
- *
- * Returns:
- * -1 if the string was invalid.
- * V_ASN1_UTCTIME if the string validated as a UTC time string.
- * V_ASN1_GENERALIZEDTIME if the string validated as a Generalized time string.
- *
- * Fills in *tm with the corresponding time if tm is non NULL.
- */
-int ASN1_time_parse(const char* bytes, size_t len, struct tm* tm, int mode);
-}
-#endif
-
 namespace dht {
 namespace http {

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *           Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
 *
@@ -43,8 +43,6 @@ static std::uniform_int_distribution<int> rand_byte{ 0, std::numeric_limits<uint
 static std::uniform_int_distribution<uint8_t> rand_byte;
 #endif

-#define DHT_AES_LEGACY_DECRYPT 1
-
 namespace dht {
 namespace crypto {

@@ -92,24 +90,38 @@ Blob aesEncrypt(const uint8_t* data, size_t data_length, const Blob& key)

    Blob ret(data_length + GCM_IV_SIZE + GCM_DIGEST_SIZE);
    {
-        crypto::random_device rdev;
+        std::random_device rdev;
        std::generate_n(ret.begin(), GCM_IV_SIZE, std::bind(rand_byte, std::ref(rdev)));
    }
-    struct gcm_aes_ctx aes;
-    gcm_aes_set_key(&aes, key.size(), key.data());
-    gcm_aes_set_iv(&aes, GCM_IV_SIZE, ret.data());
-    gcm_aes_encrypt(&aes, data_length, ret.data() + GCM_IV_SIZE, data);
-    gcm_aes_digest(&aes, GCM_DIGEST_SIZE, ret.data() + GCM_IV_SIZE + data_length);
+
+    if (key.size() == AES_LENGTHS[0]) {
+        struct gcm_aes128_ctx aes;
+        gcm_aes128_set_key(&aes, key.data());
+        gcm_aes128_set_iv(&aes, GCM_IV_SIZE, ret.data());
+        gcm_aes128_encrypt(&aes, data_length, ret.data() + GCM_IV_SIZE, data);
+        gcm_aes128_digest(&aes, GCM_DIGEST_SIZE, ret.data() + GCM_IV_SIZE + data_length);
+    } else if (key.size() == AES_LENGTHS[1]) {
+        struct gcm_aes192_ctx aes;
+        gcm_aes192_set_key(&aes, key.data());
+        gcm_aes192_set_iv(&aes, GCM_IV_SIZE, ret.data());
+        gcm_aes192_encrypt(&aes, data_length, ret.data() + GCM_IV_SIZE, data);
+        gcm_aes192_digest(&aes, GCM_DIGEST_SIZE, ret.data() + GCM_IV_SIZE + data_length);
+    } else if (key.size() == AES_LENGTHS[2]) {
+        struct gcm_aes256_ctx aes;
+        gcm_aes256_set_key(&aes, key.data());
+        gcm_aes256_set_iv(&aes, GCM_IV_SIZE, ret.data());
+        gcm_aes256_encrypt(&aes, data_length, ret.data() + GCM_IV_SIZE, data);
+        gcm_aes256_digest(&aes, GCM_DIGEST_SIZE, ret.data() + GCM_IV_SIZE + data_length);
+    }
+
    return ret;
 }

-Blob aesEncrypt(const Blob& data, const std::string& password)
+Blob aesEncrypt(const Blob& data, std::string_view password, const Blob& salt)
 {
-    Blob salt;
-    Blob key = stretchKey(password, salt, 256 / 8);
-    Blob encrypted = aesEncrypt(data, key);
-    encrypted.insert(encrypted.begin(), salt.begin(), salt.end());
-    return encrypted;
+    Blob salt_actual = salt;
+    Blob key = stretchKey(password, salt_actual, 256 / 8);
+    return aesBuildEncrypted(aesEncrypt(data, key), salt_actual);
 }

 Blob aesDecrypt(const uint8_t* data, size_t data_length, const Blob& key)
@@ -122,50 +134,78 @@ Blob aesDecrypt(const uint8_t* data, size_t data_length, const Blob& key)

    std::array<uint8_t, GCM_DIGEST_SIZE> digest;

-    struct gcm_aes_ctx aes;
-    gcm_aes_set_key(&aes, key.size(), key.data());
-    gcm_aes_set_iv(&aes, GCM_IV_SIZE, data);
-
    size_t data_sz = data_length - GCM_IV_SIZE - GCM_DIGEST_SIZE;
    Blob ret(data_sz);
-    gcm_aes_decrypt(&aes, data_sz, ret.data(), data + GCM_IV_SIZE);
-    gcm_aes_digest(&aes, GCM_DIGEST_SIZE, digest.data());
+
+    if (key.size() == AES_LENGTHS[0]) {
+        struct gcm_aes128_ctx aes;
+        gcm_aes128_set_key(&aes, key.data());
+        gcm_aes128_set_iv(&aes, GCM_IV_SIZE, data);
+        gcm_aes128_decrypt(&aes, data_sz, ret.data(), data + GCM_IV_SIZE);
+        gcm_aes128_digest(&aes, GCM_DIGEST_SIZE, digest.data());
+    } else if (key.size() == AES_LENGTHS[1]) {
+        struct gcm_aes192_ctx aes;
+        gcm_aes192_set_key(&aes, key.data());
+        gcm_aes192_set_iv(&aes, GCM_IV_SIZE, data);
+        gcm_aes192_decrypt(&aes, data_sz, ret.data(), data + GCM_IV_SIZE);
+        gcm_aes192_digest(&aes, GCM_DIGEST_SIZE, digest.data());
+    } else if (key.size() == AES_LENGTHS[2]) {
+        struct gcm_aes256_ctx aes;
+        gcm_aes256_set_key(&aes, key.data());
+        gcm_aes256_set_iv(&aes, GCM_IV_SIZE, data);
+        gcm_aes256_decrypt(&aes, data_sz, ret.data(), data + GCM_IV_SIZE);
+        gcm_aes256_digest(&aes, GCM_DIGEST_SIZE, digest.data());
+    }

    if (not std::equal(digest.begin(), digest.end(), data + data_length - GCM_DIGEST_SIZE)) {
-#if DHT_AES_LEGACY_DECRYPT
-        //gcm_aes_decrypt(&aes, data_sz, ret.data(), data + GCM_IV_SIZE);
-        Blob ret_tmp(data_sz);
-        struct gcm_aes_ctx aes_d;
-        gcm_aes_set_key(&aes_d, key.size(), key.data());
-        gcm_aes_set_iv(&aes_d, GCM_IV_SIZE, data);
-        gcm_aes_update(&aes_d, ret.size(), ret.data());
-        gcm_aes_encrypt(&aes_d, ret.size(), ret_tmp.data(), ret.data());
-        gcm_aes_digest(&aes_d, GCM_DIGEST_SIZE, digest.data());
-
-        if (not std::equal(digest.begin(), digest.end(), data + data_length - GCM_DIGEST_SIZE))
-            throw DecryptError("Can't decrypt data");
-#else
        throw DecryptError("Can't decrypt data");
-#endif
    }

    return ret;
 }

-Blob aesDecrypt(const uint8_t* data, size_t data_len, const std::string& password)
+Blob aesDecrypt(const uint8_t* data, size_t data_length, std::string_view password)
 {
-    if (data_len <= PASSWORD_SALT_LENGTH)
-        throw DecryptError("Wrong data size");
-    Blob salt {data, data+PASSWORD_SALT_LENGTH};
-    Blob key = stretchKey(password, salt, 256/8);
-    return aesDecrypt(data+PASSWORD_SALT_LENGTH, data_len - PASSWORD_SALT_LENGTH, key);
+    return aesDecrypt(
+        aesGetEncrypted(data, data_length),
+        aesGetKey(data, data_length, password)
+    );
 }

-Blob stretchKey(const std::string& password, Blob& salt, size_t key_length)
+Blob aesGetSalt(const uint8_t* data, size_t data_length)
+{
+    if (data_length <= PASSWORD_SALT_LENGTH)
+        throw DecryptError("Wrong data size");
+    return Blob {data, data+PASSWORD_SALT_LENGTH};
+}
+
+std::string_view aesGetEncrypted(const uint8_t* data, size_t data_length)
+{
+    if (data_length <= PASSWORD_SALT_LENGTH)
+        throw DecryptError("Wrong data size");
+    return std::string_view((const char*)(data+PASSWORD_SALT_LENGTH), data_length - PASSWORD_SALT_LENGTH);
+}
+
+Blob aesBuildEncrypted(const uint8_t* data, size_t data_length, const Blob& salt)
+{
+    Blob ret;
+    ret.reserve(data_length + salt.size());
+    ret.insert(ret.end(), salt.begin(), salt.end());
+    ret.insert(ret.end(), data, data + data_length);
+    return ret;
+}
+
+Blob aesGetKey(const uint8_t* data, size_t data_length, std::string_view password)
+{
+    Blob salt = aesGetSalt(data, data_length);
+    return stretchKey(password, salt, 256/8);
+}
+
+Blob stretchKey(std::string_view password, Blob& salt, size_t key_length)
 {
    if (salt.empty()) {
        salt.resize(PASSWORD_SALT_LENGTH);
-        crypto::random_device rdev;
+        std::random_device rdev;
        std::generate_n(salt.begin(), salt.size(), std::bind(rand_byte, std::ref(rdev)));
    }
    Blob res;
@@ -217,7 +257,7 @@ PrivateKey::PrivateKey(const uint8_t* src, size_t src_size, const char* password
        throw CryptoException("Can't initialize private key !");

    const gnutls_datum_t dt {(uint8_t*)src, static_cast<unsigned>(src_size)};
-    int flags = password_ptr ? GNUTLS_PKCS_PLAIN
+    int flags = (password_ptr == NULL || strlen(password_ptr)==0) ? GNUTLS_PKCS_PLAIN
                : ( GNUTLS_PKCS_PBES2_AES_128 | GNUTLS_PKCS_PBES2_AES_192  | GNUTLS_PKCS_PBES2_AES_256
                  | GNUTLS_PKCS_PKCS12_3DES   | GNUTLS_PKCS_PKCS12_ARCFOUR | GNUTLS_PKCS_PKCS12_RC2_40);

@@ -281,7 +321,7 @@ PrivateKey::sign(const uint8_t* data, size_t data_length) const
        throw CryptoException("Can't sign data: no private key set !");
    if (std::numeric_limits<unsigned>::max() < data_length)
        throw CryptoException("Can't sign data: too large !");
-    gnutls_datum_t sig;
+    gnutls_datum_t sig {nullptr, 0};
    const gnutls_datum_t dat {(unsigned char*)data, (unsigned)data_length};
    if (gnutls_privkey_sign_data(key, GNUTLS_DIG_SHA512, 0, &dat, &sig) != GNUTLS_E_SUCCESS)
        throw CryptoException("Can't sign data !");
@@ -294,7 +334,7 @@ Blob
 PrivateKey::decryptBloc(const uint8_t* src, size_t src_size) const
 {
    const gnutls_datum_t dat {(uint8_t*)src, (unsigned)src_size};
-    gnutls_datum_t out;
+    gnutls_datum_t out {nullptr, 0};
    int err = gnutls_privkey_decrypt_data(key, 0, &dat, &out);
    if (err != GNUTLS_E_SUCCESS)
        throw DecryptError(std::string("Can't decrypt data: ") + gnutls_strerror(err));
@@ -472,7 +512,7 @@ void
 PublicKey::encryptBloc(const uint8_t* src, size_t src_size, uint8_t* dst, size_t dst_size) const
 {
    const gnutls_datum_t key_dat {(uint8_t*)src, (unsigned)src_size};
-    gnutls_datum_t encrypted;
+    gnutls_datum_t encrypted {nullptr, 0};
    auto err = gnutls_pubkey_encrypt_data(pk, 0, &key_dat, &encrypted);
    if (err != GNUTLS_E_SUCCESS)
        throw CryptoException(std::string("Can't encrypt data: ") + gnutls_strerror(err));
@@ -513,7 +553,7 @@ PublicKey::encrypt(const uint8_t* data, size_t data_len) const
        throw CryptoException("Key is not long enough for AES128");
    Blob key(aes_key_sz);
    {
-        crypto::random_device rdev;
+        std::random_device rdev;
        std::generate_n(key.begin(), key.size(), std::bind(rand_byte, std::ref(rdev)));
    }
    auto data_encrypted = aesEncrypt(data, data_len, key);
@@ -606,7 +646,7 @@ GnuTLSFromType(NameType type)
 }

 static std::string
-getDN(gnutls_x509_crq_t request, const char* oid)
+readDN(gnutls_x509_crq_t request, const char* oid)
 {
    std::string dn;
    dn.resize(512);
@@ -664,13 +704,13 @@ CertificateRequest::setName(const std::string& name)
 std::string
 CertificateRequest::getName() const
 {
-    return getDN(request, GNUTLS_OID_X520_COMMON_NAME);
+    return readDN(request, GNUTLS_OID_X520_COMMON_NAME);
 }

 std::string
 CertificateRequest::getUID() const
 {
-    return getDN(request, GNUTLS_OID_LDAP_UID);
+    return readDN(request, GNUTLS_OID_LDAP_UID);
 }

 void
@@ -729,7 +769,21 @@ CertificateRequest::toString() const
 // Certificate

 static std::string
-getDN(gnutls_x509_crt_t cert, const char* oid, bool issuer = false)
+readDN(gnutls_x509_crt_t cert, bool issuer = false)
+{
+    gnutls_datum_t dn;
+    int err = issuer
+            ? gnutls_x509_crt_get_issuer_dn3(cert, &dn, 0)
+            : gnutls_x509_crt_get_dn3(       cert, &dn, 0);
+    if (err != GNUTLS_E_SUCCESS)
+        return {};
+    std::string ret((const char*)dn.data, dn.size);
+    gnutls_free(dn.data);
+    return ret;
+}
+
+static std::string
+readDN(gnutls_x509_crt_t cert, const char* oid, bool issuer = false)
 {
    std::string dn;
    dn.resize(512);
@@ -887,28 +941,40 @@ Certificate::getSerialNumber() const
    return {serial, serial + size};
 }

+std::string
+Certificate::getDN() const
+{
+    return readDN(cert);
+}
+
 std::string
 Certificate::getName() const
 {
-    return getDN(cert, GNUTLS_OID_X520_COMMON_NAME);
+    return readDN(cert, GNUTLS_OID_X520_COMMON_NAME);
 }

 std::string
 Certificate::getUID() const
 {
-    return getDN(cert, GNUTLS_OID_LDAP_UID);
+    return readDN(cert, GNUTLS_OID_LDAP_UID);
+}
+
+std::string
+Certificate::getIssuerDN() const
+{
+    return readDN(cert, true);
 }

 std::string
 Certificate::getIssuerName() const
 {
-    return getDN(cert, GNUTLS_OID_X520_COMMON_NAME, true);
+    return readDN(cert, GNUTLS_OID_X520_COMMON_NAME, true);
 }

 std::string
 Certificate::getIssuerUID() const
 {
-    return getDN(cert, GNUTLS_OID_LDAP_UID, true);
+    return readDN(cert, GNUTLS_OID_LDAP_UID, true);
 }

 std::vector<std::pair<NameType, std::string>>
@@ -975,7 +1041,7 @@ Certificate::toString(bool chain) const
 std::string
 Certificate::print() const
 {
-    gnutls_datum_t out;
+    gnutls_datum_t out {nullptr, 0};
    gnutls_x509_crt_print(cert, GNUTLS_CRT_PRINT_FULL, &out);
    std::string ret(out.data, out.data+out.size);
    gnutls_free(out.data);
@@ -1051,7 +1117,7 @@ Certificate::generateOcspRequest(gnutls_x509_crt_t& issuer)
    err = gnutls_ocsp_req_set_nonce(req.get(), 0, &nonce);
    if (err < 0)
        throw CryptoException(gnutls_strerror(err));
-    gnutls_datum_t rdata;
+    gnutls_datum_t rdata {nullptr, 0};
    err = gnutls_ocsp_req_export(req.get(), &rdata);
    if (err != 0)
        throw CryptoException(gnutls_strerror(err));
@@ -1124,14 +1190,47 @@ saveIdentity(const Identity& id, const std::string& path, const std::string& pri
        auto ca_key_data = id.first->serialize(privkey_password);
        std::ofstream key_file(path + ".pem");
        key_file.write((char*)ca_key_data.data(), ca_key_data.size());
+        // Throw error if the file is not written
+        if (!key_file)
+            throw CryptoException("Could not write private key file");
    }
    {
        auto ca_key_data = id.second->getPacked();
        std::ofstream crt_file(path + ".crt");
        crt_file.write((char*)ca_key_data.data(), ca_key_data.size());
+        // Throw error if the file is not written
+        if (!crt_file)
+            throw CryptoException("Could not write certificate file");
    }
 }

+Identity 
+loadIdentity(const std::string &path,const std::string &privkey_password)
+{
+    std::ifstream pkStream(path + ".pem", std::ios::in | std::ios::binary);
+    std::vector<uint8_t> pkContent((std::istreambuf_iterator<char>(pkStream)),
+                                    std::istreambuf_iterator<char>());
+    auto key = std::make_shared<PrivateKey>(pkContent, privkey_password);
+    pkStream.close();
+    // Create a certificate
+    gnutls_x509_crt_t gnuCert;
+    if (gnutls_x509_crt_init(&gnuCert))
+        throw std::runtime_error("Failed to initialize gnutls certificate struct");
+    gnutls_datum_t crtContent {nullptr, 0};
+
+    // Read the certificate file
+    int err = gnutls_load_file((path + ".crt").c_str(), &crtContent);
+    if (err)
+        throw CryptoException(gnutls_strerror(err));
+
+    err = gnutls_x509_crt_import(gnuCert, &crtContent, GNUTLS_X509_FMT_PEM);
+    if (err)
+        throw CryptoException(gnutls_strerror(err));
+
+    auto cert = std::make_shared<Certificate>(gnuCert);
+    return {std::move(key), std::move(cert)};
+}
+
 void
 setValidityPeriod(gnutls_x509_crt_t cert, int64_t validity)
 {
@@ -1147,7 +1246,7 @@ setValidityPeriod(gnutls_x509_crt_t cert, int64_t validity)
 void
 setRandomSerial(gnutls_x509_crt_t cert)
 {
-    random_device rdev;
+    std::random_device rdev;
    std::uniform_int_distribution<int64_t> dist{1};
    int64_t cert_serial = dist(rdev);
    gnutls_x509_crt_set_serial(cert, &cert_serial, sizeof(cert_serial));
@@ -1174,31 +1273,49 @@ Certificate::generate(const PrivateKey& key, const std::string& name, const Iden
    auto pk_id = pk.getId();
    const std::string uid_str = pk_id.toString();

-    gnutls_x509_crt_set_subject_key_id(cert, &pk_id, sizeof(pk_id));
-    gnutls_x509_crt_set_dn_by_oid(cert, GNUTLS_OID_X520_COMMON_NAME, 0, name.data(), name.length());
-    gnutls_x509_crt_set_dn_by_oid(cert, GNUTLS_OID_LDAP_UID, 0, uid_str.data(), uid_str.length());
+    int err = gnutls_x509_crt_set_subject_key_id(cert, &pk_id, sizeof(pk_id));
+    if(err) {
+        throw CryptoException(std::string("Error when setting subject key id ") + gnutls_strerror(err));
+    }
+
+    err = gnutls_x509_crt_set_dn_by_oid(cert, GNUTLS_OID_X520_COMMON_NAME, 0, name.data(), name.length());
+    if(err) {
+        throw CryptoException(std::string("Error when setting subject key id ") + gnutls_strerror(err));
+    }
+    err = gnutls_x509_crt_set_dn_by_oid(cert, GNUTLS_OID_LDAP_UID, 0, uid_str.data(), uid_str.length());
+    if(err) {
+        throw CryptoException(std::string("Error when setting dn by oid ") + gnutls_strerror(err));
+    }

    setRandomSerial(cert);

    unsigned key_usage = 0;
    if (is_ca) {
-        gnutls_x509_crt_set_ca_status(cert, 1);
+        err = gnutls_x509_crt_set_ca_status(cert, 1);
+        if(err) {
+            throw CryptoException(std::string("Error when setting ca status ") + gnutls_strerror(err));
+        }
        key_usage |= GNUTLS_KEY_KEY_CERT_SIGN | GNUTLS_KEY_CRL_SIGN;
    } else {
        key_usage |= GNUTLS_KEY_DIGITAL_SIGNATURE | GNUTLS_KEY_DATA_ENCIPHERMENT;
    }
-    gnutls_x509_crt_set_key_usage(cert, key_usage);
+    err = gnutls_x509_crt_set_key_usage(cert, key_usage);
+    if(err) {
+        throw CryptoException(std::string("Error when setting ca status ") + gnutls_strerror(err));
+    }

    if (ca.first && ca.second) {
        if (not ca.second->isCA()) {
            throw CryptoException("Signing certificate must be CA");
        }
-        if (int err = gnutls_x509_crt_privkey_sign(cert, ca.second->cert, ca.first->key, pk.getPreferredDigest(), 0)) {
+        err = gnutls_x509_crt_privkey_sign(cert, ca.second->cert, ca.first->key, pk.getPreferredDigest(), 0);
+        if (err) {
            throw CryptoException(std::string("Error when signing certificate ") + gnutls_strerror(err));
        }
        ret.issuer = ca.second;
    } else {
-        if (int err = gnutls_x509_crt_privkey_sign(cert, cert, key.key, pk.getPreferredDigest(), 0)) {
+        err = gnutls_x509_crt_privkey_sign(cert, cert, key.key, pk.getPreferredDigest(), 0);
+        if (err) {
            throw CryptoException(std::string("Error when signing certificate ") + gnutls_strerror(err));
        }
    }
@@ -1294,7 +1411,7 @@ std::string
 OcspRequest::toString(const bool compact) const
 {
    int ret;
-    gnutls_datum_t dat;
+    gnutls_datum_t dat {nullptr, 0};
    ret = gnutls_ocsp_req_print(request, compact ? GNUTLS_OCSP_PRINT_COMPACT : GNUTLS_OCSP_PRINT_FULL, &dat);

    std::string str;
@@ -1309,7 +1426,7 @@ OcspRequest::toString(const bool compact) const
 Blob
 OcspRequest::pack() const
 {
-    gnutls_datum_t dat;
+    gnutls_datum_t dat {nullptr, 0};
    int err = gnutls_ocsp_req_export(request, &dat);
    if (err < 0)
        throw CryptoException(gnutls_strerror(err));
@@ -1321,7 +1438,7 @@ OcspRequest::pack() const
 Blob
 OcspRequest::getNonce() const
 {
-    gnutls_datum_t dat;
+    gnutls_datum_t dat {nullptr, 0};
    unsigned critical;
    int err = gnutls_ocsp_req_get_nonce(request, &critical, &dat);
    if (err < 0)
@@ -1354,7 +1471,7 @@ OcspResponse::~OcspResponse()
 Blob
 OcspResponse::pack() const
 {
-    gnutls_datum_t dat;
+    gnutls_datum_t dat {nullptr, 0};
    int err = gnutls_ocsp_resp_export(response, &dat);
    if (err < 0)
        throw CryptoException(gnutls_strerror(err));
@@ -1368,7 +1485,7 @@ OcspResponse::toString(const bool compact) const
 {
    int ret;
    std::string str;
-    gnutls_datum_t dat;
+    gnutls_datum_t dat {nullptr, 0};
    ret = gnutls_ocsp_resp_print(response, compact ? GNUTLS_OCSP_PRINT_COMPACT : GNUTLS_OCSP_PRINT_FULL, &dat);
    if (ret == 0)
        str = std::string((const char*)dat.data, (size_t)dat.size);
@@ -1403,7 +1520,7 @@ OcspResponse::verifyDirect(const Certificate& crt, const Blob& nonce)

    if (not nonce.empty()) {
        // Ensure no replay attack has been done
-        gnutls_datum_t rnonce;
+        gnutls_datum_t rnonce {nullptr, 0};
        ret = gnutls_ocsp_resp_get_nonce(response, NULL, &rnonce);
        if (ret < 0)
            throw CryptoException(gnutls_strerror(ret));
@@ -1620,7 +1737,7 @@ RevocationList::sign(const PrivateKey& key, const Certificate& ca, duration vali
    if (number == 0) {
        // initialize to a random number
        number_sz = sizeof(number);
-        random_device rdev;
+        std::random_device rdev;
        std::generate_n((uint8_t*)&number, sizeof(number), std::bind(rand_byte, std::ref(rdev)));
    } else
        number = endian(endian(number) + 1);
@@ -1661,7 +1778,7 @@ RevocationList::getNumber() const
 std::string
 RevocationList::toString() const
 {
-    gnutls_datum_t out;
+    gnutls_datum_t out {nullptr, 0};
    gnutls_x509_crl_print(crl, GNUTLS_CRT_PRINT_FULL, &out);
    std::string ret(out.data, out.data+out.size);
    gnutls_free(out.data);
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *
@@ -93,7 +93,7 @@ Dht::shutdown(ShutdownCallback cb, bool stop)
                    r.second.done_cb(false, {});
                sr.second->callbacks.clear();
                for (const auto& a : sr.second->announce) {
-                    if (a.callback) a.callback(false, {});
+                    for (auto& cb : a.callbacks) cb(false, {});
                }
                sr.second->announce.clear();
                sr.second->listeners.clear();
@@ -113,7 +113,7 @@ Dht::shutdown(ShutdownCallback cb, bool stop)
    auto str_donecb = [=](bool, const std::vector<Sp<Node>>&) {
        --*remaining;
        if (logger_)
-            logger_->w("shuting down node: %u ops remaining", *remaining);
+            logger_->w("Shutting down node: %u ops remaining", *remaining);
        if (!*remaining && cb) { cb(); }
    };

@@ -121,7 +121,7 @@ Dht::shutdown(ShutdownCallback cb, bool stop)
        *remaining += maintainStorage(str, true, str_donecb);

    if (logger_)
-        logger_->w("shuting down node: after storage, %u ops", *remaining);
+        logger_->w("Shutting down node: after storage, %u ops", *remaining);

    if (!*remaining) {
        if (cb) cb();
@@ -147,17 +147,25 @@ Dht::sendCachedPing(Bucket& b)
 {
    if (b.cached)
        if (logger_)
-            logger_->d(b.cached->id, "[node %s] sending ping to cached node", b.cached->toString().c_str());
+            logger_->d(b.cached->id, "[node %s] Sending ping to cached node", b.cached->toString().c_str());
    b.sendCachedPing(network_engine);
 }

 std::vector<SockAddr>
 Dht::getPublicAddress(sa_family_t family)
 {
-    std::sort(reported_addr.begin(), reported_addr.end(), [](const ReportedAddr& a, const ReportedAddr& b) {
-        return a.first > b.first;
-    });
    std::vector<SockAddr> ret;
+    if (family == AF_UNSPEC) {
+        auto& d4 = dht(AF_INET).reported_addr;
+        auto& d6 = dht(AF_INET6).reported_addr;
+        ret.reserve(d4.size() + d6.size());
+        for (const auto& a : d4)
+            ret.emplace_back(a.second);
+        for (const auto& a : d6)
+            ret.emplace_back(a.second);
+        return ret;
+    }
+    auto& reported_addr = dht(family).reported_addr;
    ret.reserve(!family ? reported_addr.size() : reported_addr.size()/2);
    for (const auto& addr : reported_addr)
        if (!family || family == addr.second.getFamily())
@@ -200,6 +208,8 @@ Dht::trySearchInsert(const Sp<Node>& node)
 void
 Dht::reportedAddr(const SockAddr& addr)
 {
+    auto& reported_addr = dht(addr.getFamily()).reported_addr;
+    auto firstBefore = reported_addr.empty() ? nullptr : reported_addr.begin()->second.get();
    auto it = std::find_if(reported_addr.begin(), reported_addr.end(), [&](const ReportedAddr& a){
        return a.second == addr;
    });
@@ -208,6 +218,21 @@ Dht::reportedAddr(const SockAddr& addr)
            reported_addr.emplace_back(1, addr);
    } else
        it->first++;
+    std::sort(reported_addr.begin(), reported_addr.end(), [](const ReportedAddr& a, const ReportedAddr& b) {
+        return a.first > b.first;
+    });
+    if (publicAddressChangedCb_) {
+        auto firstAfter = reported_addr.begin()->second.get();
+        if (firstBefore != firstAfter) {
+            auto& otherDht = dht(addr.getFamily() == AF_INET ? AF_INET6 : AF_INET).reported_addr;
+            std::vector<SockAddr> v;
+            v.reserve(otherDht.empty() ? 1 : 2);
+            v.emplace_back(reported_addr.begin()->second);
+            if (not otherDht.empty())
+                v.emplace_back(otherDht.begin()->second);
+            publicAddressChangedCb_(std::move(v));
+        }
+    }
 }

 /* We just learnt about a node, not necessarily a new one.  Confirm is 1 if
@@ -255,7 +280,7 @@ Dht::expireSearches()
        auto b = sr.callbacks.empty() && sr.announce.empty() && sr.listeners.empty() && sr.step_time < t;
        if (b) {
            if (logger_)
-                logger_->d(srp.first, "[search %s] removing search", srp.first.toString().c_str());
+                logger_->d(srp.first, "[search %s] Removing search", srp.first.toString().c_str());
            sr.clear();
            return b;
        } else { return false; }
@@ -335,7 +360,7 @@ void Dht::paginate(std::weak_ptr<Search> ws, Sp<Query> query, SearchNode* n) {
                auto query_for_vid = std::make_shared<Query>(Select {}, Where {}.id(vid));
                sn->pagination_queries[query].push_back(query_for_vid);
                if (logger_)
-                    logger_->d(id, sn->node->id, "[search %s] [node %s] sending %s",
+                    logger_->d(id, sn->node->id, "[search %s] [node %s] Sending %s",
                        id.toString().c_str(), sn->node->toString().c_str(), query_for_vid->toString().c_str());
                sn->getStatus[query_for_vid] = network_engine.sendGetValues(status.node,
                        id,
@@ -346,8 +371,8 @@ void Dht::paginate(std::weak_ptr<Search> ws, Sp<Query> query, SearchNode* n) {
                        );
            } catch (const std::out_of_range&) {
                if (logger_)
-                    logger_->e(id, sn->node->id, "[search %s] [node %s] received non-id field in response to "\
-                        "'SELECT id' request...",
+                    logger_->e(id, sn->node->id, "[search %s] [node %s] Received non-id field in response to "\
+                        "'SELECT id' request…",
                        id.toString().c_str(), sn->node->toString().c_str());
            }
        }
@@ -356,7 +381,7 @@ void Dht::paginate(std::weak_ptr<Search> ws, Sp<Query> query, SearchNode* n) {
    n->pagination_queries[query].push_back(select_q);

    if (logger_)
-        logger_->d(sr->id, n->node->id, "[search %s] [node %s] sending %s",
+        logger_->d(sr->id, n->node->id, "[search %s] [node %s] Sending %s",
            sr->id.toString().c_str(), n->node->toString().c_str(), select_q->toString().c_str());
    n->getStatus[select_q] = network_engine.sendGetValues(n->node,
            sr->id,
@@ -401,7 +426,7 @@ Dht::searchSendGetValues(Sp<Search> sr, SearchNode* pn, bool update)
                return nullptr;

            /* if (logger_)
-                   logger_->d(sr->id, n->node->id, "[search %s] [node %s] sending 'find_node'",
+                   logger_->d(sr->id, n->node->id, "[search %s] [node %s] Sending 'find_node'",
                        sr->id.toString().c_str(), n->node->toString().c_str());*/
            n->getStatus[query] = network_engine.sendFindNode(n->node,
                    sr->id,
@@ -414,9 +439,9 @@ Dht::searchSendGetValues(Sp<Search> sr, SearchNode* pn, bool update)
                continue;

            if (query and not query->select.empty()) {
-                /* The request contains a select. No need to paginate... */
+                /* The request contains a select. No need to paginate… */
                /* if (logger_)
-                       logger_->d(sr->id, n->node->id, "[search %s] [node %s] sending 'get'",
+                       logger_->d(sr->id, n->node->id, "[search %s] [node %s] Sending 'get'",
                            sr->id.toString().c_str(), n->node->toString().c_str());*/
                n->getStatus[query] = network_engine.sendGetValues(n->node,
                        sr->id,
@@ -428,7 +453,7 @@ Dht::searchSendGetValues(Sp<Search> sr, SearchNode* pn, bool update)
                paginate(ws, query, n);
        }

-        /* We only try to send one request. return. */
+        /* We only attempt to send one request. Return. */
        return n;

    } while (++cb != sr->callbacks.end());
@@ -437,10 +462,9 @@ Dht::searchSendGetValues(Sp<Search> sr, SearchNode* pn, bool update)
    return nullptr;
 }

-void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
+void Dht::searchSendAnnounceValue(const Sp<Search>& sr, unsigned syncLevel) {
    if (sr->announce.empty())
        return;
-    unsigned i = 0;
    std::weak_ptr<Search> ws = sr;

    auto onDone = [this,ws](const net::Request& req, net::RequestAnswer&& answer)
@@ -495,7 +519,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
            /* only put the value if the node doesn't already have it */
            if (not hasValue or seq_no < a.value->seq) {
                if (logger_)
-                    logger_->d(sr->id, sn->node->id, "[search %s] [node %s] sending 'put' (vid: %016" PRIx64 ")",
+                    logger_->d(sr->id, sn->node->id, "[search %s] [node %s] Sending 'put' (vid: %016" PRIx64 ")",
                        sr->id.toString().c_str(), sn->node->toString().c_str(), a.value->id);
                auto created = a.permanent ? time_point::max() : a.created;
                acked = {
@@ -504,7 +528,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
                };
            } else if (hasValue and a.permanent) {
                if (logger_)
-                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] sending 'refresh' (vid: %016" PRIx64 ")",
+                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] Sending 'refresh' (vid: %016" PRIx64 ")",
                        sr->id.toString().c_str(), sn->node->toString().c_str(), a.value->id);
                acked = {
                    network_engine.sendRefreshValue(sn->node, sr->id, a.value->id, sn->token, onDone,
@@ -516,7 +540,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
                    ](const net::Request& /*req*/, net::DhtProtocolException&& e){
                        if (e.getCode() == net::DhtProtocolException::NOT_FOUND) {
                            if (logger_)
-                                logger_->e(node->id, "[node %s] returned error 404: storage not found", node->toString().c_str());
+                                logger_->e(node->id, "[node %s] Returned error 404: storage not found", node->toString().c_str());
                            if (auto sr = ws.lock()) {
                                if (auto sn = sr->getNode(node)) {
                                    sn->acked[v->id] = {
@@ -534,7 +558,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
                };
            } else {
                if (logger_)
-                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] already has value (vid: %016" PRIx64 "). Aborting.",
+                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] Already has value (vid: %016" PRIx64 "). Aborting.",
                        sr->id.toString().c_str(), sn->node->toString().c_str(), a.value->id);
                auto ack_req = std::make_shared<net::Request>(net::Request::State::COMPLETED);
                ack_req->reply_time = now;
@@ -552,6 +576,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
    static const auto PROBE_QUERY = std::make_shared<Query>(Select {}.field(Value::Field::Id).field(Value::Field::SeqNum));

    const auto& now = scheduler.time();
+    unsigned i = 0;
    for (auto& np : sr->nodes) {
        auto& n = *np;
        if (not n.isSynced(now))
@@ -569,7 +594,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
                    sendQuery = true;
                } else {
                    if (logger_)
-                        logger_->w(sr->id, n.node->id, "[search %s] [node %s] sending 'put' (vid: %016" PRIx64 ")",
+                        logger_->w(sr->id, n.node->id, "[search %s] [node %s] Sending 'put' (vid: %016" PRIx64 ")",
                            sr->id.toString().c_str(), n.node->toString().c_str(), a.value->id);
                    n.acked[a.value->id] = {
                        network_engine.sendAnnounceValue(n.node, sr->id, a.value, a.created, n.token, onDone, onExpired),
@@ -582,7 +607,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
        if (sendQuery) {
            n.probe_query = PROBE_QUERY;
            if (logger_)
-                logger_->d(sr->id, n.node->id, "[search %s] [node %s] sending %s",
+                logger_->d(sr->id, n.node->id, "[search %s] [node %s] Sending %s",
                    sr->id.toString().c_str(), n.node->toString().c_str(), n.probe_query->toString().c_str());
            auto req = network_engine.sendGetValues(n.node,
                    sr->id,
@@ -592,7 +617,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
                    std::bind(&Dht::searchNodeGetExpired, this, _1, _2, ws, PROBE_QUERY));
            n.getStatus[PROBE_QUERY] = std::move(req);
        }
-        if (not n.candidate and ++i == TARGET_NODES)
+        if (not n.candidate and ++i == syncLevel)
            break;
    }
 }
@@ -609,7 +634,7 @@ Dht::searchSynchedNodeListen(const Sp<Search>& sr, SearchNode& n)
        if (n.getListenTime(r, listenExp) > scheduler.time())
            continue;
        // if (logger_)
-        //     logger_->d(sr->id, n.node->id, "[search %s] [node %s] sending 'listen'",
+        //     logger_->d(sr->id, n.node->id, "[search %s] [node %s] Sending 'listen'",
        //        sr->id.toString().c_str(), n.node->toString().c_str());

        if (r == n.listenStatus.end()) {
@@ -675,9 +700,13 @@ Dht::searchStep(std::weak_ptr<Search> ws)
    if (not sr or sr->expired or sr->done) return;

    const auto& now = scheduler.time();
+    auto level = sr->syncLevel(now);
+    constexpr auto MARGIN = 1;
+    bool preSynced = level > MARGIN;
+    auto syncLevel = preSynced ? level - MARGIN : 0;
    /*if (auto req_count = sr->currentlySolicitedNodeCount())
        if (logger_)
-            logger_->d(sr->id, "[search %s IPv%c] step (%d requests)",
+            logger_->d(sr->id, "[search %s IPv%c] Step (%d requests)",
                sr->id.toString().c_str(), sr->af == AF_INET ? '4' : '6', req_count);*/
    sr->step_time = now;

@@ -735,6 +764,21 @@ Dht::searchStep(std::weak_ptr<Search> ws)

        if (sr->callbacks.empty() && sr->announce.empty() && sr->listeners.empty())
            sr->setDone();
+    } else if (preSynced) {
+        if (not sr->listeners.empty()) {
+            auto nl = std::min(syncLevel, LISTEN_NODES);
+            unsigned i = 0;
+            for (auto& n : sr->nodes) {
+                if (not n->isSynced(now))
+                    break;
+                searchSynchedNodeListen(sr, *n);
+                if (++i == nl)
+                    break;
+            }
+        }
+
+        // Announce requests
+        searchSendAnnounceValue(sr, syncLevel);
    }

    while (sr->currentlySolicitedNodeCount() < MAX_REQUESTED_SEARCH_NODES and searchSendGetValues(sr));
@@ -743,7 +787,7 @@ Dht::searchStep(std::weak_ptr<Search> ws)
    if (sr->getNumberOfConsecutiveBadNodes() >= std::min<size_t>(sr->nodes.size(), SEARCH_MAX_BAD_NODES))
    {
        if (logger_)
-            logger_->w(sr->id, "[search %s IPv%c] expired", sr->id.toString().c_str(), sr->af == AF_INET ? '4' : '6');
+            logger_->w(sr->id, "[search %s IPv%c] Expired", sr->id.toString().c_str(), sr->af == AF_INET ? '4' : '6');
        sr->expire();
        if (not public_stable)
            connectivityChanged(sr->af);
@@ -760,7 +804,7 @@ unsigned Dht::refill(Dht::Search& sr) {

    if (cached_nodes.empty()) {
        if (logger_)
-            logger_->e(sr.id, "[search %s IPv%c] no nodes from cache while refilling search",
+            logger_->e(sr.id, "[search %s IPv%c] No nodes from cache while refilling search",
                sr.id.toString().c_str(), (sr.af == AF_INET) ? '4' : '6');
        return 0;
    }
@@ -772,7 +816,7 @@ unsigned Dht::refill(Dht::Search& sr) {
            ++inserted;
    }
    if (logger_)
-        logger_->d(sr.id, "[search %s IPv%c] refilled search with %u nodes from node cache",
+        logger_->d(sr.id, "[search %s IPv%c] Refilled search with %u nodes from node cache",
            sr.id.toString().c_str(), (sr.af == AF_INET) ? '4' : '6', inserted);
    return inserted;
 }
@@ -784,7 +828,7 @@ Dht::search(const InfoHash& id, sa_family_t af, GetCallback gcb, QueryCallback q
 {
    if (!isRunning(af)) {
        if (logger_)
-            logger_->e(id, "[search %s IPv%c] unsupported protocol", id.toString().c_str(), (af == AF_INET) ? '4' : '6');
+            logger_->e(id, "[search %s IPv%c] Unsupported protocol", id.toString().c_str(), (af == AF_INET) ? '4' : '6');
        if (dcb)
            dcb(false, {});
        return {};
@@ -812,7 +856,7 @@ Dht::search(const InfoHash& id, sa_family_t af, GetCallback gcb, QueryCallback q
            }
            if (not sr) {
                if (logger_)
-                    logger_->e(id, "[search %s IPv%c] maximum number of searches reached !", id.toString().c_str(), (af == AF_INET) ? '4' : '6');
+                    logger_->e(id, "[search %s IPv%c] Maximum number of searches reached!", id.toString().c_str(), (af == AF_INET) ? '4' : '6');
                return {};
            }
        }
@@ -826,7 +870,7 @@ Dht::search(const InfoHash& id, sa_family_t af, GetCallback gcb, QueryCallback q
        sr->nodes.reserve(SEARCH_NODES+1);
        sr->nextSearchStep = scheduler.add(time_point::max(), std::bind(&Dht::searchStep, this, std::weak_ptr<Search>(sr)));
        if (logger_)
-            logger_->w(id, "[search %s IPv%c] new search", id.toString().c_str(), (af == AF_INET) ? '4' : '6');
+            logger_->w(id, "[search %s IPv%c] New search", id.toString().c_str(), (af == AF_INET) ? '4' : '6');
        if (search_id == 0)
            search_id++;
    }
@@ -860,16 +904,16 @@ Dht::listenTo(const InfoHash& id, sa_family_t af, ValueCallback cb, Value::Filte
 {
    if (!isRunning(af))
        return 0;
-       // logger__ERR("[search %s IPv%c] search_time is now in %lfs", sr->id.toString().c_str(), (sr->af == AF_INET) ? '4' : '6', print_dt(tm-clock::now()));
+       // logger__ERR("[search %s IPv%c] Search_time is now in %lfs", sr->id.toString().c_str(), (sr->af == AF_INET) ? '4' : '6', print_duration(tm-clock::now()));

    //logger__WARN("listenTo %s", id.toString().c_str());
    auto& srs = searches(af);
    auto srp = srs.find(id);
    Sp<Search> sr = (srp == srs.end()) ? search(id, af) : srp->second;
    if (!sr)
-        throw DhtException("Can't create search");
+        throw DhtException("Unable to create search");
    if (logger_)
-        logger_->w(id, "[search %s IPv%c] listen", id.to_c_str(), (af == AF_INET) ? '4' : '6');
+        logger_->w(id, "[search %s IPv%c] Listen", id.to_c_str(), (af == AF_INET) ? '4' : '6');
    return sr->listen(cb, std::move(f), q, scheduler);
 }

@@ -978,7 +1022,7 @@ Dht::put(const InfoHash& id, Sp<Value> val, DoneCallback callback, time_point cr
    storageStore(id, val, created, {}, permanent);

    if (logger_)
-        logger_->d(id, "put: adding %s -> %s", id.toString().c_str(), val->toString().c_str());
+        logger_->d(id, "put: adding %s → %s", id.toString().c_str(), val->toString().c_str());

    auto op = std::make_shared<OpStatus>();
    auto donecb = [callback](const std::vector<Sp<Node>>& nodes, OpStatus& op) {
@@ -1221,7 +1265,7 @@ Dht::storageChanged(const InfoHash& id, Storage& st, const Sp<Value>& v, bool ne
                    vals.push_back(v);
                if (not vals.empty()) {
                    if (logger_)
-                        logger_->d(id, "[store %s] sending update local listener with token %lu",
+                        logger_->d(id, "[store %s] Sending update local listener with token %lu",
                            id.toString().c_str(),
                            l.first);
                    cbs.emplace_back(l.second.get_cb, std::move(vals));
@@ -1242,7 +1286,7 @@ Dht::storageChanged(const InfoHash& id, Storage& st, const Sp<Value>& v, bool ne
                if (f and not f(*v))
                    continue;
                if (logger_)
-                    logger_->w(id, node_listeners.first->id, "[store %s] [node %s] sending update",
+                    logger_->w(id, node_listeners.first->id, "[store %s] [node %s] Sending update",
                        id.toString().c_str(),
                        node_listeners.first->toString().c_str());
                std::vector<Sp<Value>> vals {};
@@ -1348,7 +1392,7 @@ void
 Dht::storageRemoved(const InfoHash& id, Storage& st, const std::vector<Sp<Value>>& values, size_t totalSize)
 {
    if (logger_)
-        logger_->d(id, "[store %s] discarded %ld values (%ld bytes)",
+        logger_->d(id, "[store %s] Discarded %ld values (%ld bytes)",
        id.toString().c_str(), values.size(), totalSize);

    total_store_size -= totalSize;
@@ -1366,7 +1410,7 @@ Dht::storageRemoved(const InfoHash& id, Storage& st, const std::vector<Sp<Value>
        for (const auto& node_listeners : st.listeners) {
            for (const auto& l : node_listeners.second) {
                if (logger_)
-                    logger_->w(id, node_listeners.first->id, "[store %s] [node %s] sending expired",
+                    logger_->w(id, node_listeners.first->id, "[store %s] [node %s] Sending expired",
                        id.toString().c_str(),
                        node_listeners.first->toString().c_str());
                Blob ntoken = makeToken(node_listeners.first->getAddr(), false);
@@ -1388,7 +1432,7 @@ Dht::expireStore()

        if (i->second.empty() && i->second.listeners.empty() && i->second.local_listeners.empty()) {
            if (logger_)
-                logger_->d(i->first, "[store %s] discarding empty storage", i->first.toString().c_str());
+                logger_->d(i->first, "[store %s] Discarding empty storage", i->first.toString().c_str());
            i = store.erase(i);
        }
        else
@@ -1439,11 +1483,10 @@ Dht::connectivityChanged(sa_family_t af)
 {
    const auto& now = scheduler.time();
    scheduler.edit(nextNodesConfirmation, now);
-    buckets(af).connectivityChanged(now);
+    auto& dht = this->dht(af);
+    dht.buckets.connectivityChanged(now);
+    dht.reported_addr.clear();
    network_engine.connectivityChanged(af);
-    reported_addr.erase(std::remove_if(reported_addr.begin(), reported_addr.end(), [&](const ReportedAddr& addr){
-        return addr.second.getFamily() == af;
-    }), reported_addr.end());
    startBootstrap(); // will only happen if disconnected
 }

@@ -1560,21 +1603,20 @@ Dht::dumpSearch(const Search& sr, std::ostream& out) const
    const auto& now = scheduler.time();
    const auto& listen_expire = getListenExpiration();
    using namespace std::chrono;
-    out << std::endl << "Search IPv" << (sr.af == AF_INET6 ? '6' : '4') << ' ' << sr.id << " gets: " << sr.callbacks.size();
-    out << ", last step: " << print_time_relative(now, sr.step_time);
-    if (sr.done)
-        out << " [done]";
-    if (sr.expired)
-        out << " [expired]";
-    bool synced = sr.isSynced(now);
-    out << (synced ? " [synced]" : " [not synced]");
-    if (synced && sr.isListening(now, listen_expire))
-        out << " [listening]";
-    out << std::endl;
+    fmt::print(out, "Search IPv{} {} gets: {} last step: {}{}{}{}{}\n",
+        (sr.af == AF_INET6 ? '6' : '4'),
+        sr.id,
+        sr.callbacks.size(),
+        print_time_relative(now, sr.step_time),
+        (sr.done ? " [done]"sv : ""sv),
+        (sr.expired ? " [expired]"sv : ""sv),
+        (sr.isSynced(now) ? " [synced]"sv : " [not synced]"sv),
+        (sr.isListening(now, listen_expire) ? " [listening]"sv : ""sv)
+    );

-    /*printing the queries*/
+    // printing the queries
    if (sr.callbacks.size() + sr.listeners.size() > 0)
-        out << "Queries:" << std::endl;
+        fmt::print(out, "Queries:\n");
    for (const auto& cb : sr.callbacks) {
        out << *cb.second.query << std::endl;
    }
@@ -1587,55 +1629,39 @@ Dht::dumpSearch(const Search& sr, std::ostream& out) const
        out << "Announcement: " << *a.value << (announced ? " [announced]" : "") << std::endl;
    }

-    out << " Common bits    InfoHash                       Conn. Get   Ops  IP" << std::endl;
+    fmt::print(out, " Common bits    InfoHash                       Conn. Get   Ops  IP\n");
    auto last_get = sr.getLastGetTime();
    for (const auto& np : sr.nodes) {
        auto& n = *np;
-        out << std::setfill (' ') << std::setw(3) << InfoHash::commonBits(sr.id, n.node->id) << ' ' << n.node->id;
-        out << ' ' << (findNode(n.node->id, sr.af) ? '*' : ' ');
-        out << " [";
-        if (auto pendingCount = n.node->getPendingMessageCount())
-            out << pendingCount;
-        else
-            out << ' ';
-        out << (n.node->isExpired() ? 'x' : ' ') << "]";
-
-        // Get status
-        {
-            char g_i = n.pending(n.getStatus) ? (n.candidate ? 'c' : 'f') : ' ';
-            char s_i = n.isSynced(now) ? (n.last_get_reply > last_get ? 'u' : 's') : '-';
-            out << " [" << s_i << g_i << "] ";
-        }
-
-        // Listen status
-        if (not sr.listeners.empty()) {
-            if (n.listenStatus.empty())
-                out << "    ";
-            else
-                out << "["
-                    << (n.isListening(now,listen_expire) ? 'l' : (n.pending(n.listenStatus) ? 'f' : ' ')) << "] ";
-        }
-
-        // Announce status
+        auto listen = (not sr.listeners.empty() ? (n.listenStatus.empty() ? "    " : fmt::format("[{}] ", (n.isListening(now,listen_expire) ? 'l' : (n.pending(n.listenStatus) ? 'f' : ' ')))) : "");
+        std::string announce;
        if (not sr.announce.empty()) {
            if (n.acked.empty()) {
-                out << "   ";
-                for (size_t a=0; a < sr.announce.size(); a++)
-                    out << ' ';
+                announce = std::string(sr.announce.size() + 3, ' ');
            } else {
-                out << "[";
+                announce = "[";
                for (const auto& a : sr.announce) {
                    auto ack = n.acked.find(a.value->id);
                    if (ack == n.acked.end() or not ack->second.req) {
-                        out << ' ';
+                        announce += ' ';
                    } else {
-                        out << ack->second.req->getStateChar();
+                        announce += ack->second.req->getStateChar();
                    }
                }
-                out << "] ";
+                announce += "] ";
            }
        }
-        out << n.node->getAddrStr() << std::endl;
+
+        fmt::print(out, "{:3} {} {} [{}{}] {}{}{}\n",
+            InfoHash::commonBits(sr.id, n.node->id),
+            n.node->id,
+            (findNode(n.node->id, sr.af) ? '*' : ' '),
+            (n.pending(n.getStatus) ? (n.candidate ? 'c' : 'f') : ' '),
+            (n.isSynced(now) ? (n.last_get_reply > last_get ? 'u' : 's') : '-'),
+            listen,
+            announce,
+            n.node->getAddrStr()
+        );
    }
 }

@@ -1786,11 +1812,13 @@ fromDhtConfig(const Config& config)
    netConf.max_peer_req_per_sec = config.max_peer_req_per_sec
        ? config.max_peer_req_per_sec
        : netConf.max_req_per_sec/8;
+    netConf.is_client = config.client_mode;
    return netConf;
 }

-Dht::Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, const Sp<Logger>& l)
+Dht::Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, const Sp<Logger>& l, std::unique_ptr<std::mt19937_64>&& rda)
    : DhtInterface(l),
+    rd(rda ? std::move(*rda) : crypto::getSeededRandomEngine<std::mt19937_64>()),
    myid(config.node_id ? config.node_id : InfoHash::getRandom(rd)),
    store(),
    store_quota(),
@@ -1840,7 +1868,7 @@ Dht::Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, cons
    expire();

    if (logger_)
-        logger_->d("DHT node initialised with ID %s", myid.toString().c_str());
+        logger_->debug("DHT node initialised with ID {:s}", myid);
 }

 bool
@@ -1872,7 +1900,7 @@ Dht::neighbourhoodMaintenance(RoutingTable& list)
    auto n = q->randomNode(rd);
    if (n) {
        if (logger_)
-            logger_->d(id, n->id, "[node %s] sending [find %s] for neighborhood maintenance",
+            logger_->d(id, n->id, "[node %s] Sending [find %s] for neighborhood maintenance",
                n->toString().c_str(), id.toString().c_str());
        /* Since our node-id is the same in both DHTs, it's probably
           profitable to query both families. */
@@ -1926,14 +1954,14 @@ Dht::bucketMaintenance(RoutingTable& list)
                }

                if (logger_)
-                    logger_->d(id, n->id, "[node %s] sending find %s for bucket maintenance", n->toString().c_str(), id.toString().c_str());
+                    logger_->d(id, n->id, "[node %s] Sending find %s for bucket maintenance", n->toString().c_str(), id.toString().c_str());
                //auto start = scheduler.time();
                network_engine.sendFindNode(n, id, want, nullptr, [this,n](const net::Request&, bool over) {
                    if (over) {
                        const auto& end = scheduler.time();
                        // using namespace std::chrono;
                        // if (logger_)
-                        //     logger_->d(n->id, "[node %s] bucket maintenance op expired after %s", n->toString().c_str(), print_duration(end-start).c_str());
+                        //     logger_->d(n->id, "[node %s] Bucket maintenance op expired after %s", n->toString().c_str(), print_duration(end-start).c_str());
                        scheduler.edit(nextNodesConfirmation, end + Node::MAX_RESPONSE_TIME);
                    }
                });
@@ -1951,7 +1979,7 @@ Dht::dataPersistence(InfoHash id)
    auto str = store.find(id);
    if (str != store.end() and now > str->second.maintenance_time) {
        if (logger_)
-            logger_->d(id, "[storage %s] maintenance (%u values, %u bytes)",
+            logger_->d(id, "[storage %s] Maintenance (%u values, %u bytes)",
                id.toString().c_str(), str->second.valueCount(), str->second.totalSize());
        maintainStorage(*str);
        str->second.maintenance_time = now + MAX_STORAGE_MAINTENANCE_EXPIRE_TIME;
@@ -2005,7 +2033,7 @@ Dht::periodic(const uint8_t *buf, size_t buflen, SockAddr from, const time_point
            network_engine.processMessage(buf, buflen, std::move(from));
        } catch (const std::exception& e) {
            if (logger_)
-                logger_->w("Can't process message: %s", e.what());
+                logger_->w("Unable to process message: %s", e.what());
        }
    }
    return scheduler.run();
@@ -2059,7 +2087,7 @@ Dht::bootstrap()
            }
        } catch (const std::exception& e) {
            if (logger_)
-                logger_->e(myid, "Can't resolve %s:%s: %s", boootstrap.first.c_str(), boootstrap.second.c_str(), e.what());
+                logger_->e(myid, "Unable to resolve %s:%s: %s", boootstrap.first.c_str(), boootstrap.second.c_str(), e.what());
        }
    }
    scheduler.cancel(bootstrapJob);
@@ -2090,12 +2118,12 @@ Dht::confirmNodes()

    if (dht4.searches.empty() and dht4.status == NodeStatus::Connected) {
        if (logger_)
-            logger_->d(myid, "[confirm nodes] initial IPv4 'get' for my id (%s)", myid.toString().c_str());
+            logger_->d(myid, "[confirm nodes] Initial IPv4 'get' for my id (%s)", myid.toString().c_str());
        search(myid, AF_INET);
    }
    if (dht6.searches.empty() and dht6.status == NodeStatus::Connected) {
        if (logger_)
-            logger_->d(myid, "[confirm nodes] initial IPv6 'get' for my id (%s)", myid.toString().c_str());
+            logger_->d(myid, "[confirm nodes] Initial IPv6 'get' for my id (%s)", myid.toString().c_str());
        search(myid, AF_INET6);
    }

@@ -2232,7 +2260,7 @@ Dht::pingNode(SockAddr sa, DoneCallbackSimple&& cb)
 {
    scheduler.syncTime();
    if (logger_)
-        logger_->d("Sending ping to %s", sa.toString().c_str());
+        logger_->debug("Sending ping to {}", sa);
    auto& count = dht(sa.getFamily()).pending_pings;
    count++;
    network_engine.sendPing(std::move(sa), [&count,cb](const net::Request&, net::RequestAnswer&&) {
@@ -2253,7 +2281,7 @@ Dht::onError(Sp<net::Request> req, net::DhtProtocolException e) {
    const auto& node = req->node;
    if (e.getCode() == net::DhtProtocolException::UNAUTHORIZED) {
        if (logger_)
-            logger_->e(node->id, "[node %s] token flush", node->toString().c_str());
+            logger_->e(node->id, "[node %s] Token flush", node->toString().c_str());
        node->authError();
        for (auto& srp : searches(node->getFamily())) {
            auto& sr = srp.second;
@@ -2268,7 +2296,7 @@ Dht::onError(Sp<net::Request> req, net::DhtProtocolException e) {
        }
    } else if (e.getCode() == net::DhtProtocolException::NOT_FOUND) {
        if (logger_)
-            logger_->e(node->id, "[node %s] returned error 404: storage not found", node->toString().c_str());
+            logger_->e(node->id, "[node %s] Returned error 404: storage not found", node->toString().c_str());
        node->cancelRequest(req);
    }
 }
@@ -2319,7 +2347,7 @@ Dht::onGetValues(Sp<Node> node, const InfoHash& hash, want_t, const Query& query
    if (st != store.end() && not st->second.empty()) {
        answer.values = st->second.get(query.where.getFilter());
        if (logger_)
-            logger_->d(hash, "[node %s] sending %u values", node->toString().c_str(), answer.values.size());
+            logger_->d(hash, "[node %s] Sending %u values", node->toString().c_str(), answer.values.size());
    }
    return answer;
 }
@@ -2331,18 +2359,18 @@ void Dht::onGetValuesDone(const Sp<Node>& node,
 {
    if (not sr) {
        if (logger_)
-            logger_->w("[search unknown] got reply to 'get'. Ignoring.");
+            logger_->w("[search unknown] Got reply to 'get'. Ignoring.");
        return;
    }

    /* if (logger_)
-           logger_->d(sr->id, "[search %s] [node %s] got reply to 'get' with %u nodes",
+           logger_->d(sr->id, "[search %s] [node %s] Got reply to 'get' with %u nodes",
            sr->id.toString().c_str(), node->toString().c_str(), a.nodes4.size()+a.nodes6.size());*/

    if (not a.ntoken.empty()) {
        if (not a.values.empty() or not a.fields.empty()) {
            if (logger_)
-                logger_->d(sr->id, node->id, "[search %s] [node %s] found %u values",
+                logger_->d(sr->id, node->id, "[search %s] [node %s] Found %u values",
                      sr->id.toString().c_str(), node->toString().c_str(), a.values.size());
            for (auto& getp : sr->callbacks) { /* call all callbacks for this search */
                auto& get = getp.second;
@@ -2391,7 +2419,7 @@ void Dht::onGetValuesDone(const Sp<Node>& node,
        }
    } else {
        if (logger_)
-            logger_->w(sr->id, "[node %s] no token provided. Ignoring response content.", node->toString().c_str());
+            logger_->w(sr->id, "[node %s] No token provided. Ignoring response content.", node->toString().c_str());
        network_engine.blacklistNode(node);
    }

@@ -2408,7 +2436,7 @@ Dht::onListen(Sp<Node> node, const InfoHash& hash, const Blob& token, size_t soc
 {
    if (not hash) {
        if (logger_)
-            logger_->w(node->id, "[node %s] listen with no info_hash", node->toString().c_str());
+            logger_->w(node->id, "[node %s] Listen with no info_hash", node->toString().c_str());
        throw net::DhtProtocolException {
            net::DhtProtocolException::NON_AUTHORITATIVE_INFORMATION,
            net::DhtProtocolException::LISTEN_NO_INFOHASH
@@ -2416,7 +2444,7 @@ Dht::onListen(Sp<Node> node, const InfoHash& hash, const Blob& token, size_t soc
    }
    if (not tokenMatch(token, node->getAddr())) {
        if (logger_)
-            logger_->w(hash, node->id, "[node %s] incorrect token %s for 'listen'", node->toString().c_str(), hash.toString().c_str());
+            logger_->w(hash, node->id, "[node %s] Incorrect token %s for 'listen'", node->toString().c_str(), hash.toString().c_str());
        throw net::DhtProtocolException {net::DhtProtocolException::UNAUTHORIZED, net::DhtProtocolException::LISTEN_WRONG_TOKEN};
    }
    Query q = query;
@@ -2428,7 +2456,7 @@ void
 Dht::onListenDone(const Sp<Node>& /* node */, net::RequestAnswer& /* answer */, Sp<Search>& sr)
 {
    // if (logger_)
-    //     logger_->d(sr->id, node->id, "[search %s] [node %s] got listen confirmation",
+    //     logger_->d(sr->id, node->id, "[search %s] [node %s] Got listen confirmation",
    //            sr->id.toString().c_str(), node->toString().c_str(), answer.values.size());

    if (not sr->done) {
@@ -2448,7 +2476,7 @@ Dht::onAnnounce(Sp<Node> n,
    auto& node = *n;
    if (not hash) {
        if (logger_)
-            logger_->w(node.id, "put with no info_hash");
+            logger_->w(node.id, "Put with no info_hash");
        throw net::DhtProtocolException {
            net::DhtProtocolException::NON_AUTHORITATIVE_INFORMATION,
            net::DhtProtocolException::PUT_NO_INFOHASH
@@ -2456,7 +2484,7 @@ Dht::onAnnounce(Sp<Node> n,
    }
    if (!tokenMatch(token, node.getAddr())) {
        if (logger_)
-            logger_->w(hash, node.id, "[node %s] incorrect token %s for 'put'", node.toString().c_str(), hash.toString().c_str());
+            logger_->w(hash, node.id, "[node %s] Incorrect token %s for 'put'", node.toString().c_str(), hash.toString().c_str());
        throw net::DhtProtocolException {net::DhtProtocolException::UNAUTHORIZED, net::DhtProtocolException::PUT_WRONG_TOKEN};
    }
    {
@@ -2465,7 +2493,7 @@ Dht::onAnnounce(Sp<Node> n,
        auto closest_nodes = buckets(node.getFamily()).findClosestNodes(hash, scheduler.time(), SEARCH_NODES);
        if (closest_nodes.size() >= TARGET_NODES and hash.xorCmp(closest_nodes.back()->id, myid) < 0) {
            if (logger_)
-                logger_->w(hash, node.id, "[node %s] announce too far from the target. Dropping value.", node.toString().c_str());
+                logger_->w(hash, node.id, "[node %s] Announce too far from the target. Dropping value.", node.toString().c_str());
            return {};
        }
    }
@@ -2474,7 +2502,7 @@ Dht::onAnnounce(Sp<Node> n,
    for (const auto& v : values) {
        if (v->id == Value::INVALID_ID) {
            if (logger_)
-                logger_->w(hash, node.id, "[value %s] incorrect value id", hash.toString().c_str());
+                logger_->w(hash, node.id, "[value %s] Incorrect value id", hash.toString().c_str());
            throw net::DhtProtocolException {
                net::DhtProtocolException::NON_AUTHORITATIVE_INFORMATION,
                net::DhtProtocolException::PUT_INVALID_ID
@@ -2486,17 +2514,17 @@ Dht::onAnnounce(Sp<Node> n,
            if (*lv == *vc) {
                storageRefresh(hash, v->id);
                if (logger_)
-                    logger_->d(hash, node.id, "[store %s] [node %s] refreshed value %016" PRIx64, hash.toString().c_str(), node.toString().c_str(), v->id);
+                    logger_->d(hash, node.id, "[store %s] [node %s] Refreshed value %016" PRIx64, hash.toString().c_str(), node.toString().c_str(), v->id);
            } else {
                const auto& type = getType(lv->type);
                if (type.editPolicy(hash, lv, vc, node.id, node.getAddr())) {
                    if (logger_)
-                        logger_->d(hash, node.id, "[store %s] editing %s",
+                        logger_->d(hash, node.id, "[store %s] Editing %s",
                            hash.toString().c_str(), vc->toString().c_str());
                    storageStore(hash, vc, created, node.getAddr());
                } else {
                    if (logger_)
-                        logger_->d(hash, node.id, "[store %s] rejecting edition of %s because of storage policy",
+                        logger_->d(hash, node.id, "[store %s] Rejecting edition of %s because of storage policy",
                            hash.toString().c_str(), vc->toString().c_str());
                }
            }
@@ -2505,11 +2533,11 @@ Dht::onAnnounce(Sp<Node> n,
            const auto& type = getType(vc->type);
            if (type.storePolicy(hash, vc, node.id, node.getAddr())) {
                // if (logger_)
-                //     logger_->d(hash, node.id, "[store %s] storing %s", hash.toString().c_str(), std::to_string(vc->id).c_str());
+                //     logger_->d(hash, node.id, "[store %s] Storing %s", hash.toString().c_str(), std::to_string(vc->id).c_str());
                storageStore(hash, vc, created, node.getAddr());
            } else {
                if (logger_)
-                    logger_->d(hash, node.id, "[store %s] rejecting storage of %s",
+                    logger_->d(hash, node.id, "[store %s] Rejecting storage of %s",
                        hash.toString().c_str(), vc->toString().c_str());
            }
        }
@@ -2524,15 +2552,15 @@ Dht::onRefresh(Sp<Node> node, const InfoHash& hash, const Blob& token, const Val

    if (not tokenMatch(token, node->getAddr())) {
        if (logger_)
-            logger_->w(hash, node->id, "[node %s] incorrect token %s for 'put'", node->toString().c_str(), hash.toString().c_str());
+            logger_->w(hash, node->id, "[node %s] Incorrect token %s for 'put'", node->toString().c_str(), hash.toString().c_str());
        throw DhtProtocolException {DhtProtocolException::UNAUTHORIZED, DhtProtocolException::PUT_WRONG_TOKEN};
    }
    if (storageRefresh(hash, vid)) {
        if (logger_)
-            logger_->d(hash, node->id, "[store %s] [node %s] refreshed value %016" PRIx64, hash.toString().c_str(), node->toString().c_str(), vid);
+            logger_->d(hash, node->id, "[store %s] [node %s] Refreshed value %016" PRIx64, hash.toString().c_str(), node->toString().c_str(), vid);
    } else {
        if (logger_)
-            logger_->d(hash, node->id, "[store %s] [node %s] got refresh for unknown value",
+            logger_->d(hash, node->id, "[store %s] [node %s] Got refresh for unknown value",
                hash.toString().c_str(), node->toString().c_str());
        throw DhtProtocolException {DhtProtocolException::NOT_FOUND, DhtProtocolException::STORAGE_NOT_FOUND};
    }
@@ -2555,7 +2583,7 @@ Dht::storageRefresh(const InfoHash& id, Value::Id vid)
            for (const auto& node_listeners : st.listeners) {
                for (const auto& l : node_listeners.second) {
                    if (logger_)
-                        logger_->w(id, node_listeners.first->id, "[store %s] [node %s] sending refresh",
+                        logger_->w(id, node_listeners.first->id, "[store %s] [node %s] Sending refresh",
                            id.toString().c_str(),
                            node_listeners.first->toString().c_str());
                    Blob ntoken = makeToken(node_listeners.first->getAddr(), false);
@@ -2580,7 +2608,7 @@ void
 Dht::onAnnounceDone(const Sp<Node>& node, net::RequestAnswer& answer, Sp<Search>& sr)
 {
    if (logger_)
-        logger_->d(sr->id, node->id, "[search %s] [node %s] got reply to put!",
+        logger_->d(sr->id, node->id, "[search %s] [node %s] Got reply to put!",
            sr->id.toString().c_str(), node->toString().c_str());
    searchSendGetValues(sr);
    sr->checkAnnounced(answer.vid);
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -23,10 +23,9 @@
 #include "op_cache.h"
 #include "utils.h"

-#include <http_parser.h>
+#include <llhttp.h>
 #include <deque>

-
 namespace dht {

 struct DhtProxyClient::InfoState {
@@ -98,7 +97,7 @@ std::string
 getRandomSessionId(size_t length = 8) {
    static constexpr const char chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!#$%&()*+,./:;<=>?@[]^_`{|}~";
    std::string str(length, 0);
-    crypto::random_device rdev;
+    std::random_device rdev;
    std::uniform_int_distribution<> dist(0, (sizeof(chars)/sizeof(char)) - 2);
    std::generate_n( str.begin(), length, [&]{ return chars[dist(rdev)]; } );
    return str;
@@ -107,13 +106,26 @@ getRandomSessionId(size_t length = 8) {
 DhtProxyClient::DhtProxyClient() {}

 DhtProxyClient::DhtProxyClient(
-        std::shared_ptr<dht::crypto::Certificate> serverCA, dht::crypto::Identity clientIdentity,
-        std::function<void()> signal, const std::string& serverHost,
-        const std::string& pushClientId, std::shared_ptr<dht::Logger> logger)
+        std::shared_ptr<dht::crypto::Certificate> serverCA,
+        dht::crypto::Identity clientIdentity,
+        std::function<void()> signal,
+        const std::string& serverHost,
+        const std::string& userAgent,
+        const std::string& pushClientId,
+        const std::string& pushToken,
+        const std::string& pushTopic,
+        const std::string& pushPlatform,
+        std::shared_ptr<dht::Logger> logger
+)
    : DhtInterface(logger)
    , proxyUrl_(serverHost)
    , clientIdentity_(clientIdentity), serverCertificate_(serverCA)
-    , pushClientId_(pushClientId), pushSessionId_(getRandomSessionId())
+    , userAgent_(userAgent)
+    , pushClientId_(pushClientId)
+    , pushSessionId_(getRandomSessionId())
+    , deviceKey_(pushToken)
+    , notificationTopic_(pushTopic)
+    , platform_(pushPlatform)
    , loopSignal_(signal)
    , jsonReader_(Json::CharReaderBuilder{}.newCharReader())
 {
@@ -191,10 +203,12 @@ void
 DhtProxyClient::stop()
 {
    if (not isDestroying_.exchange(true)) {
+        std::shared_ptr<http::Resolver> resolver;
        {
            std::lock_guard<std::mutex> l(resolverLock_);
-            resolver_.reset();
+            resolver = std::move(resolver_);
        }
+        resolver->cancel();
        cancelAllListeners();
        if (infoState_)
            infoState_->cancel = true;
@@ -483,7 +497,7 @@ DhtProxyClient::buildRequest(const std::string& target)
        request->set_certificate_authority(serverCertificate_);
    if (clientIdentity_.first and clientIdentity_.second)
        request->set_identity(clientIdentity_);
-    request->set_header_field(restinio::http_field_t::user_agent, "RESTinio client");
+    request->set_header_field(restinio::http_field_t::user_agent, userAgent_);
    return request;
 }

@@ -491,7 +505,7 @@ void
 DhtProxyClient::doPut(const InfoHash& key, Sp<Value> val, DoneCallbackSimple cb, time_point /*created*/, bool permanent)
 {
    if (logger_)
-        logger_->d("[proxy:client] [put] [search %s] executing for %s", key.to_c_str(), val->toString().c_str());
+        logger_->debug("[proxy:client] [put] [search {}] executing for {}", key, val->toString());

    try {
        auto request = buildRequest("/key/" + key.toString());
@@ -539,12 +553,12 @@ DhtProxyClient::doPut(const InfoHash& key, Sp<Value> val, DoneCallbackSimple cb,
                        }
                    } else {
                        if (logger_)
-                            logger_->e("[proxy:client] [status] failed to parse value from  server", response.status_code);
+                            logger_->error("[proxy:client] [put] failed to parse value from server: {}", err);
                    }
                }
            } else {
                if (logger_)
-                    logger_->e("[proxy:client] [status] failed with code=%i", response.status_code);
+                    logger_->error("[proxy:client] [put] failed with code={:d}", response.status_code);
                if (not response.aborted and response.status_code == 0)
                    opFailed();
            }
@@ -563,7 +577,8 @@ DhtProxyClient::doPut(const InfoHash& key, Sp<Value> val, DoneCallbackSimple cb,
    }
    catch (const std::exception &e){
        if (logger_)
-            logger_->e("[proxy:client] [put %s] error: %s", key.to_c_str(), e.what());
+            logger_->error("[proxy:client] [put {}] error: {}", key, e.what());
+        opFailed();
    }
 }

@@ -721,7 +736,7 @@ DhtProxyClient::onProxyInfos(const Json::Value& proxyInfos, const sa_family_t fa
        }
    } else {
        if (logger_)
-            logger_->d("[proxy:client] [info] got proxy reply for %s",
+            logger_->debug("[proxy:client] [info] got proxy reply for {}",
                       family == AF_INET ? "ipv4" : "ipv6");
        try {
            myid = InfoHash(proxyInfos["node_id"].asString());
@@ -729,6 +744,7 @@ DhtProxyClient::onProxyInfos(const Json::Value& proxyInfos, const sa_family_t fa
            stats6_ = NodeStats(proxyInfos["ipv6"]);
            auto publicIp = parsePublicAddress(proxyInfos["public_ip"]);
            ipChanged = pubAddress && pubAddress.toString() != publicIp.toString();
+            bool pub = ipChanged || !pubAddress;
            pubAddress = publicIp;

            if (proxyInfos.isMember("local_ip")) {
@@ -739,6 +755,18 @@ DhtProxyClient::onProxyInfos(const Json::Value& proxyInfos, const sa_family_t fa
                }
            }

+            if (pub && publicAddressChangedCb_) {
+                std::vector<SockAddr> addresses;
+                if (publicAddressV4_)
+                    addresses.emplace_back(publicAddressV4_);
+                if (publicAddressV6_)
+                    addresses.emplace_back(publicAddressV6_);
+                std::lock_guard<std::mutex> lock(lockCallbacks_);
+                callbacks_.emplace_back([cb=publicAddressChangedCb_, addresses = std::move(addresses)](){
+                    cb(std::move(addresses));
+                });
+            }
+
            if (!ipChanged && stats4_.good_nodes + stats6_.good_nodes)
                status = NodeStatus::Connected;
            else if (!ipChanged && stats4_.dubious_nodes + stats6_.dubious_nodes)
@@ -785,8 +813,8 @@ SockAddr
 DhtProxyClient::parsePublicAddress(const Json::Value& val)
 {
    auto public_ip = val.asString();
-    auto hostAndService = splitPort(public_ip);
-    auto sa = SockAddr::resolve(hostAndService.first);
+    auto [host, service] = splitPort(public_ip);
+    auto sa = SockAddr::resolve(host);
    if (sa.empty()) return {};
    return sa.front().getMappedIPv4();
 }
@@ -995,7 +1023,10 @@ DhtProxyClient::handleExpireListener(const asio::error_code &ec, const InfoHash&
            }
        } else {
            // stop the request
-            listener.request.reset();
+            if (listener.request) {
+                listener.request->cancel();
+                listener.request.reset();
+            }
        }
        search->second.listeners.erase(it);
        if (logger_)
@@ -1090,6 +1121,12 @@ DhtProxyClient::sendListen(const restinio::http_request_header_t& header,
            std::lock_guard<std::mutex> l(requestLock_);
            requests_[reqid] = request;
        }
+        request->add_on_status_callback([request, seconds = this->listenKeepIdle()] (unsigned status_code) {
+            if(status_code == 200) {
+                // increase TCP_KEEPIDLE to save power
+                request->get_connection()->set_keepalive(seconds);
+            }
+        });
        request->send();
    }
    catch (const std::exception &e){
@@ -1141,7 +1178,7 @@ DhtProxyClient::restartListeners(const asio::error_code &ec)

    std::lock_guard<std::mutex> lock(searchLock_);
    for (auto& search : searches_) {
-        auto key = search.first;
+        const auto& key = search.first;
        for (auto& put : search.second.puts) {
            doPut(key, put.second.value, [ok = put.second.ok](bool result){
                *ok = result;
@@ -1153,6 +1190,10 @@ DhtProxyClient::restartListeners(const asio::error_code &ec)
            put.second.refreshPutTimer->async_wait(std::bind(&DhtProxyClient::handleRefreshPut, this,
                                                   std::placeholders::_1, key, put.first));
        }
+        // Restart failed pending puts
+        for (auto& pput : search.second.pendingPuts) {
+            doPut(key, pput, {}, time_point::max(), true);
+        }
    }
    if (not deviceKey_.empty()) {
        if (logger_)
@@ -1192,9 +1233,10 @@ DhtProxyClient::restartListeners(const asio::error_code &ec)
    }
 }

-void
-DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string>& notification)
+PushNotificationResult
+DhtProxyClient::pushNotificationReceived([[maybe_unused]] const std::map<std::string, std::string>& notification)
 {
+    auto ret = PushNotificationResult::IgnoredNoOp;
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
    {
        // If a push notification is received, the proxy is up and running
@@ -1211,7 +1253,7 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
        if (sessionId != notification.end() and sessionId->second != pushSessionId_) {
            if (logger_)
                logger_->d("[proxy:client] [push] ignoring push for other session");
-            return;
+            return PushNotificationResult::IgnoredWrongSession;
        }
        std::lock_guard<std::mutex> lock(searchLock_);
        auto timeout = notification.find("timeout");
@@ -1228,10 +1270,12 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
                else
                    put.refreshPutTimer->expires_at(std::chrono::steady_clock::now());
                put.refreshPutTimer->async_wait(std::bind(&DhtProxyClient::handleRefreshPut, this, std::placeholders::_1, key, vid));
+                ret = PushNotificationResult::PutRefresh;
            } else {
                // Refresh listen
                for (auto& list : search.listeners)
                    resubscribe(key, list.first, list.second);
+                ret = search.listeners.empty() ? PushNotificationResult::IgnoredNoOp : PushNotificationResult::ListenRefresh;
            }
        } else {
            auto key = InfoHash(notification.at("key"));
@@ -1240,12 +1284,12 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
                sendTime = system_clock::time_point(std::chrono::milliseconds(std::stoull(notification.at("t"))));
            } catch (...) {}
            auto& search = searches_.at(key);
+            auto expired = notification.find("exp");
            for (auto& list : search.listeners) {
                if (list.second.opstate->stop)
                    continue;
                if (logger_)
                    logger_->d("[proxy:client] [push] [search %s] received", key.to_c_str());
-                auto expired = notification.find("exp");
                auto token = list.first;
                auto opstate = list.second.opstate;
                if (expired == notification.end()) {
@@ -1258,6 +1302,7 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
                        // present in the new list
                        cb(oldValues, true, sendTime);
                    });
+                    ret = PushNotificationResult::Values;
                } else {
                    std::stringstream ss(expired->second);
                    std::vector<Value::Id> ids;
@@ -1283,22 +1328,25 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
                        });
                    }
                    launchLoop = true;
+                    ret = PushNotificationResult::ValuesExpired;
                }
            }
        }
+    } catch (const std::out_of_range& e) {
+        ret = PushNotificationResult::IgnoredNoOp;
    } catch (const std::exception& e) {
        if (logger_)
            logger_->e("[proxy:client] [push] receive error: %s", e.what());
+        ret = PushNotificationResult::Error;
    }
    if (launchLoop)
        loopSignal_();
-#else
-    (void) notification;
 #endif
+    return ret;
 }

 void
-DhtProxyClient::resubscribe(const InfoHash& key, const size_t token, Listener& listener)
+DhtProxyClient::resubscribe([[maybe_unused]] const InfoHash& key, [[maybe_unused]] const size_t token, [[maybe_unused]] Listener& listener)
 {
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
    if (deviceKey_.empty())
@@ -1322,9 +1370,6 @@ DhtProxyClient::resubscribe(const InfoHash& key, const size_t token, Listener& l
                                                std::placeholders::_1, key, token, opstate));
    auto vcb = listener.cb;
    sendListen(header, vcb, opstate, listener, ListenMethod::RESUBSCRIBE);
-#else
-    (void) key;
-    (void) listener;
 #endif
 }

@@ -1358,4 +1403,24 @@ DhtProxyClient::fillBody(bool resubscribe)
 }
 #endif // OPENDHT_PUSH_NOTIFICATIONS

+void
+DhtProxyClient::setPushNotificationToken([[maybe_unused]] const std::string& token) {
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+    std::unique_lock<std::mutex> l(lockCurrentProxyInfos_);
+    if (deviceKey_ != token) {
+        deviceKey_ = token;
+        if (statusIpv4_ == NodeStatus::Connected || statusIpv6_ == NodeStatus::Connected) {
+            if (logger_)
+                logger_->d("[proxy:client] [push] token changed, resubscribing");
+            for (auto& search : searches_) {
+                for (auto& listener : search.second.listeners) {
+                    resubscribe(search.first, listener.first, listener.second);
+                }
+            }
+        }
+    }
+#endif
+}
+
+
 } // namespace dht
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
 *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -58,6 +58,19 @@ constexpr const std::chrono::minutes PRINT_STATS_PERIOD {2};
 using ResponseByParts = restinio::chunked_output_t;
 using ResponseByPartsBuilder = restinio::response_builder_t<ResponseByParts>;

+namespace http {
+/**
+ * Session value associated with a connection_id_t key.
+ */
+struct ListenerSession
+{
+    ListenerSession() = default;
+    dht::InfoHash hash;
+    std::future<size_t> token;
+    std::shared_ptr<restinio::response_builder_t<restinio::chunked_output_t>> response;
+};
+}
+
 class opendht_logger_t
 {
 public:
@@ -116,7 +129,7 @@ private:
 void
 DhtProxyServer::ConnectionListener::state_changed(const restinio::connection_state::notice_t& notice) noexcept
 {
-    if (restinio::holds_alternative<restinio::connection_state::closed_t>(notice.cause())) {
+    if (std::holds_alternative<restinio::connection_state::closed_t>(notice.cause())) {
        onClosed_(notice.connection_id());
    }
 }
@@ -210,6 +223,7 @@ DhtProxyServer::DhtProxyServer(const std::shared_ptr<DhtRunner>& dht,
    :   ioContext_(std::make_shared<asio::io_context>()),
        dht_(dht), persistPath_(config.persistStatePath), logger_(logger),
        printStatsTimer_(std::make_unique<asio::steady_timer>(*ioContext_, 3s)),
+        serverStartTime_(clock::now()),
        connListener_(std::make_shared<ConnectionListener>(std::bind(&DhtProxyServer::onConnectionClosed, this, std::placeholders::_1))),
        pushServer_(config.pushServer),
        bundleId_(config.bundleId)
@@ -402,31 +416,12 @@ DhtProxyServer::loadState(Is& is, size_t size) {
                for (auto& pushListener : pushListeners_) {
                    for (auto& listeners : pushListener.second.listeners) {
                        for (auto& listener : listeners.second) {
+                            // start listening
                            listener.internalToken = dht_->listen(listeners.first,
-                                [this, infoHash=listeners.first, pushToken=pushListener.first, type=listener.type, clientId=listener.clientId, sessionCtx = listener.sessionCtx, topic=listener.topic]
-                                (const std::vector<std::shared_ptr<Value>>& values, bool expired) {
-                                    // Build message content
-                                    Json::Value json;
-                                    json["key"] = infoHash.toString();
-                                    json["to"] = clientId;
-                                    json["t"] = Json::Value::Int64(std::chrono::duration_cast<std::chrono::milliseconds>(system_clock::now().time_since_epoch()).count());
-                                    {
-                                        std::lock_guard<std::mutex> l(sessionCtx->lock);
-                                        json["s"] = sessionCtx->sessionId;
-                                    }
-                                    if (expired and values.size() < 2){
-                                        std::ostringstream ss;
-                                        for(size_t i = 0; i < values.size(); ++i){
-                                            if(i != 0) ss << ",";
-                                            ss << values[i]->id;
-                                        }
-                                        json["exp"] = ss.str();
-                                    }
-                                    auto maxPrio = 1000u;
-                                    for (const auto& v : values)
-                                        maxPrio = std::min(maxPrio, v->priority);
-                                    sendPushNotification(pushToken, std::move(json), type, !expired and maxPrio == 0, topic);
-                                    return true;
+                                [this, infoHash=listeners.first, pushToken=pushListener.first, type=listener.type,
+                                 clientId=listener.clientId, sessionCtx = listener.sessionCtx, topic=listener.topic]
+                                (const std::vector<Sp<Value>>& values, bool expired) {
+                                    return this->handlePushListen(infoHash, pushToken, type, clientId, sessionCtx, topic, values, expired);
                                }
                            );
                            // expire notify
@@ -548,7 +543,15 @@ DhtProxyServer::updateStats(std::shared_ptr<NodeInfo> info) const
    stats.requestRate = count / dt.count();
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
    stats.pushListenersCount = pushListeners_.size();
+    {
+        std::lock_guard lk(pushStatsMutex_);
+        stats.androidPush = androidPush_;
+        stats.iosPush = iosPush_;
+        stats.unifiedPush = unifiedPush_;
+    }
 #endif
+    stats.serverStartTime = serverStartTime_;
+    stats.lastUpdated = now;
    stats.totalPermanentPuts = 0;
    std::for_each(puts_.begin(), puts_.end(), [&stats](const auto& put) {
        stats.totalPermanentPuts += put.second.puts.size();
@@ -628,6 +631,8 @@ DhtProxyServer::createRestRouter()
    router->http_get("/key/:hash", std::bind(&DhtProxyServer::get, this, _1, _2));
    // key.post
    router->http_post("/key/:hash", std::bind(&DhtProxyServer::put, this, _1, _2));
+    router->add_handler(restinio::http_method_options(),
+                        "/key/:hash/listen", std::bind(&DhtProxyServer::options, this, _1, _2));
    // key.listen
    router->http_get("/key/:hash/listen", std::bind(&DhtProxyServer::listen, this, _1, _2));
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
@@ -897,13 +902,13 @@ DhtProxyServer::subscribe(restinio::request_handle_t request,
        // Send response
        if (not newListener) {
            if (logger_)
-                logger_->d("[proxy:server] [subscribe] found [client %s]", listener.clientId.c_str());
+                logger_->d("[proxy:server] [subscribe %s] found [client %s]", infoHash.toString().c_str(), listener.clientId.c_str());
            // Send response header
            auto response = std::make_shared<ResponseByPartsBuilder>(initHttpResponse(request->create_response<ResponseByParts>()));
            response->flush();
            if (!root["refresh"].asBool()) {
                // No Refresh
-                dht_->get(infoHash, [this, response](const Sp<Value>& value){
+                dht_->get(infoHash, [this, response](const Sp<Value>& value) {
                    auto output = Json::writeString(jsonBuilder_, value->toJson()) + "\n";
                    response->append_chunk(output);
                    response->flush();
@@ -920,33 +925,15 @@ DhtProxyServer::subscribe(restinio::request_handle_t request,
        } else {
            // =========== No existing listener for an infoHash ============
            // Add listen on dht
+            if (logger_)
+                logger_->d("[proxy:server] [subscribe %s] new", infoHash.toString().c_str());
            listener.internalToken = dht_->listen(infoHash,
                [this, infoHash, pushToken, type, clientId, sessionCtx = listener.sessionCtx, topic]
-                (const std::vector<std::shared_ptr<Value>>& values, bool expired){
-                    // Build message content
-                    Json::Value json;
-                    json["key"] = infoHash.toString();
-                    json["to"] = clientId;
-                    json["t"] = Json::Value::Int64(std::chrono::duration_cast<std::chrono::milliseconds>(system_clock::now().time_since_epoch()).count());
-                    {
-                        std::lock_guard<std::mutex> l(sessionCtx->lock);
-                        json["s"] = sessionCtx->sessionId;
-                    }
-                    if (expired and values.size() < 2){
-                        std::ostringstream ss;
-                        for(size_t i = 0; i < values.size(); ++i) {
-                            if(i != 0) ss << ",";
-                            ss << values[i]->id;
-                        }
-                        json["exp"] = ss.str();
-                    }
-                    auto maxPrio = 1000u;
-                    for (const auto& v : values)
-                        maxPrio = std::min(maxPrio, v->priority);
-                    sendPushNotification(pushToken, std::move(json), type, !expired and maxPrio == 0, topic);
-                    return true;
+                (const std::vector<Sp<Value>>& values, bool expired) {
+                    return this->handlePushListen(infoHash, pushToken, type, clientId, sessionCtx, topic, values, expired);
                }
            );
+            // Send response header
            auto response = initHttpResponse(request->create_response());
            response.set_body("{}\n");
            return response.done();
@@ -1050,10 +1037,54 @@ DhtProxyServer::handleCancelPushListen(const asio::error_code &ec, const std::st
        pushListeners_.erase(pushListener);
 }

+bool
+DhtProxyServer::handlePushListen(const InfoHash& infoHash, const std::string& pushToken, PushType type, const std::string& clientId,
+                                 const std::shared_ptr<DhtProxyServer::PushSessionContext>& sessionCtx, const std::string& topic,
+                                 const std::vector<std::shared_ptr<Value>>& values, bool expired)
+{
+    Json::Value json;
+    json["key"] = infoHash.toString();
+    json["to"] = clientId;
+    using namespace std::chrono;
+    json["t"] = Json::Value::Int64(duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count());
+
+    {
+        std::lock_guard<std::mutex> l(sessionCtx->lock);
+        json["s"] = sessionCtx->sessionId;
+    }
+
+    // Build a comma-separated list of ids from the values. This is intended to be used when
+    // streaming from the iOS notification extension in order to filter out unwanted values.
+    std::string ids;
+    for(const auto& value : values) {
+        if (!ids.empty()) ids += ",";
+        ids += std::to_string(value->id);
+    }
+    json["ids"] = ids;
+
+    // If message is expired copy the value ID to the `exp` field.
+    // This is presumably used by the Android notification system.
+    if (expired && values.size() < 2) {
+        json["exp"] = json["ids"];
+    }
+
+    auto minPriority = 1000u;
+    for (const auto& v : values)
+        minPriority = std::min(minPriority, v->priority);
+
+    if (logger_)
+        logger_->d("[proxy:server] [listen %s] [client %s] [session %s] [expired %i] [priority %i] [values %zu]",
+                   infoHash.toString().c_str(), clientId.c_str(), sessionCtx->sessionId.c_str(), expired, minPriority, values.size());
+
+    sendPushNotification(pushToken, std::move(json), type, !expired and minPriority == 0, topic);
+
+    return true;
+}
+
 void
 DhtProxyServer::sendPushNotification(const std::string& token, Json::Value&& json, PushType type, bool highPriority, const std::string& topic)
 {
-    if (pushServer_.empty())
+    if (pushServer_.empty() && type != PushType::UnifiedPush)
        return;

    unsigned reqid = 0;
@@ -1061,7 +1092,7 @@ DhtProxyServer::sendPushNotification(const std::string& token, Json::Value&& jso
        std::shared_ptr<http::Request> request;
        http::Url tokenUrl(token);
        if (type == PushType::UnifiedPush)
-            request = std::make_shared<http::Request>(io_context(), tokenUrl.protocol + "://" + tokenUrl.host, logger_);
+            request = std::make_shared<http::Request>(io_context(), tokenUrl.protocol + "://" + tokenUrl.host + (tokenUrl.service.empty() ? "" : (":" + tokenUrl.service)), logger_);
        else
            request = std::make_shared<http::Request>(io_context(), pushHostPort_.first, pushHostPort_.second, pushHostPort_.first.find("https://") == 0, logger_);;
        reqid = request->id();
@@ -1080,27 +1111,33 @@ DhtProxyServer::sendPushNotification(const std::string& token, Json::Value&& jso
            request->set_body(Json::writeString(jsonBuilder_, std::move(json)));
        } else {
            // NOTE: see https://github.com/appleboy/gorush
+            auto isResubscribe = json.isMember("timeout");
            Json::Value notification(Json::objectValue);
            Json::Value tokens(Json::arrayValue);
            tokens[0] = token;
            notification["tokens"] = std::move(tokens);
            notification["platform"] = type == PushType::Android ? 2 : 1;
            notification["data"] = std::move(json);
-            notification["priority"] = highPriority ? "high" : "normal";
-            if (type == PushType::Android)
-                notification["time_to_live"] = 3600 * 24; // 24 hours
-            else {
+            auto priority = highPriority ? "high" : "normal";
+            if (type == PushType::Android) {
+                Json::Value androidConfig(Json::objectValue);
+                androidConfig["priority"] = priority;
+                androidConfig["ttl"] = "86400s"; // time to live = 24 hours
+                notification["android"] = std::move(androidConfig);
+            } else {
+                notification["priority"] = priority;
                const auto expiration = std::chrono::system_clock::now() + std::chrono::hours(24);
                uint32_t exp = std::chrono::duration_cast<std::chrono::seconds>(expiration.time_since_epoch()).count();
                notification["expiration"] = exp;
                if (!topic.empty())
                    notification["topic"] = topic;
-                if (highPriority) {
+                if (highPriority || isResubscribe) {
                    Json::Value alert(Json::objectValue);
                    alert["title"]="hello";
                    notification["push_type"] = "alert";
                    notification["alert"] = alert;
                    notification["mutable_content"] = true;
+                    notification["priority"] = "high";
                } else {
                    notification["push_type"] = "background";
                    notification["content_available"] = true;
@@ -1129,6 +1166,21 @@ DhtProxyServer::sendPushNotification(const std::string& token, Json::Value&& jso
            requests_[reqid] = request;
        }
        request->send();
+        // For monitoring purposes
+        std::lock_guard lk(pushStatsMutex_);
+        switch (type) {
+        case PushType::Android:
+            androidPush_.increment(highPriority);
+            break;
+        case PushType::iOS:
+            iosPush_.increment(highPriority);
+            break;
+        case PushType::UnifiedPush:
+            unifiedPush_.increment(highPriority);
+            break;
+        default:
+            break;
+        }
    }
    catch (const std::exception &e){
        if (logger_)
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -93,7 +93,7 @@ DhtRunner::run(const Config& config, Context&& context)
    auto expected = State::Idle;
    if (not running.compare_exchange_strong(expected, State::Running)) {
        if (context.logger)
-            context.logger->w("[runner %p] Node is already running. Call join() first before calling run() again.", this);
+            context.logger->w("[runner %p] Node is already running. Call join() first before calling run() again.", fmt::ptr(this));
        return;
    }

@@ -102,7 +102,7 @@ DhtRunner::run(const Config& config, Context&& context)
        auto local6 = config.bind6;
        if (not local4 and not local6) {
            if (context.logger)
-                context.logger->w("[runner %p] No address to bind specified in the configuration, using default addresses", this);
+                context.logger->w("[runner %p] No address to bind specified in the configuration, using default addresses", fmt::ptr(this));
            local4.setFamily(AF_INET);
            local6.setFamily(AF_INET6);
        }
@@ -116,14 +116,14 @@ DhtRunner::run(const Config& config, Context&& context)
                if (inConfig >> port) {
                    if (local4.getPort() == 0) {
                        if (context.logger)
-                            context.logger->d("[runner %p] Using IPv4 port %hu from saved configuration", this, port);
+                            context.logger->d("[runner %p] Using IPv4 port %hu from saved configuration", fmt::ptr(this), port);
                        local4.setPort(port);
                    }
                }
                if (inConfig >> port) {
                    if (local6.getPort() == 0) {
                        if (context.logger)
-                            context.logger->d("[runner %p] Using IPv6 port %hu from saved configuration", this, port);
+                            context.logger->d("[runner %p] Using IPv6 port %hu from saved configuration", fmt::ptr(this), port);
                        local6.setPort(port);
                    }
                }
@@ -132,7 +132,7 @@ DhtRunner::run(const Config& config, Context&& context)

        if (context.logger) {
            logger_ = context.logger;
-            logger_->d("[runner %p] state changed to Running", this);
+            logger_->d("[runner %p] state changed to Running", fmt::ptr(this));
        }

 #ifdef OPENDHT_PROXY_CLIENT
@@ -155,7 +155,7 @@ DhtRunner::run(const Config& config, Context&& context)
                        dropped++;
                    }
                    if (dropped and logger_) {
-                        logger_->w("[runner %p] dropped %zu packets: queue is full!", this, dropped);
+                        logger_->w("[runner %p] dropped %zu packets: queue is full!", fmt::ptr(this), dropped);
                    }
                    ret = std::move(rcv_free);
                }
@@ -167,7 +167,7 @@ DhtRunner::run(const Config& config, Context&& context)
                outConfig << context.sock->getBoundRef(AF_INET).getPort() << std::endl;
                outConfig << context.sock->getBoundRef(AF_INET6).getPort() << std::endl;
            }
-            auto dht = std::make_unique<Dht>(std::move(context.sock), SecureDht::getConfig(config.dht_config), context.logger);
+            auto dht = std::make_unique<Dht>(std::move(context.sock), SecureDht::getConfig(config.dht_config), context.logger, std::move(context.rng));
            dht_ = std::make_unique<SecureDht>(std::move(dht), config.dht_config, std::move(context.identityAnnouncedCb), context.logger);
        } else {
            enableProxy(true);
@@ -180,12 +180,15 @@ DhtRunner::run(const Config& config, Context&& context)
        throw;
    }

-    if (context.statusChangedCallback) {
-        statusCb = std::move(context.statusChangedCallback);
-    }
+    statusCbs.clear();
+    if (context.statusChangedCallback)
+        statusCbs.emplace_back(std::move(context.statusChangedCallback));
    if (context.certificateStore) {
        dht_->setLocalCertificateStore(std::move(context.certificateStore));
    }
+    if (context.publicAddressChangedCb) {
+        dht_->setOnPublicAddressChanged(std::move(context.publicAddressChangedCb));
+    }

    if (not config.threaded)
        return;
@@ -207,7 +210,7 @@ DhtRunner::run(const Config& config, Context&& context)
                    if (not pending_ops_prio.empty())
                        return true;
                    auto s = getStatus();
-                    if (not pending_ops.empty() and (s == NodeStatus::Connected or s == NodeStatus::Disconnected))
+                    if (not pending_ops.empty() and (s == NodeStatus::Connected or s == NodeStatus::Disconnected or running == State::Stopping))
                        return true;
                }
                return false;
@@ -261,6 +264,17 @@ DhtRunner::run(const Config& config, Context&& context)
                }
            }
        }
+        if (peerDiscovery_) {
+            statusCbs.emplace_back([this](NodeStatus status4, NodeStatus status6) {
+                if (status4 == NodeStatus::Disconnected && status6 == NodeStatus::Disconnected) {
+                    peerDiscovery_->connectivityChanged();
+                }
+                else if (status4 != NodeStatus::Connected || status6 != NodeStatus::Connected) {
+                    peerDiscovery_->stopConnectivityChanged();
+                }
+
+            });
+        }
 #endif
    }
 }
@@ -281,7 +295,7 @@ DhtRunner::shutdown(ShutdownCallback cb, bool stop) {
        return;
    }
    if (logger_)
-        logger_->d("[runner %p] state changed to Stopping, %zu ongoing ops", this, ongoing_ops.load());
+        logger_->debug("[runner {:p}] state changed to Stopping, {:d} ongoing ops", fmt::ptr(this), ongoing_ops.load());
    ongoing_ops++;
    shutdownCallbacks_.emplace_back(std::move(cb));
    pending_ops.emplace([=](SecureDht&) mutable {
@@ -346,7 +360,7 @@ DhtRunner::join()
            if (auto sock = dht_->getSocket())
                sock->stop();
        if (logger_)
-            logger_->d("[runner %p] state changed to Idle", this);
+            logger_->debug("[runner {:p}] state changed to Idle", fmt::ptr(this));
    }

    if (dht_thread.joinable())
@@ -355,7 +369,7 @@ DhtRunner::join()
    {
        std::lock_guard<std::mutex> lck(storage_mtx);
        if (ongoing_ops and logger_) {
-            logger_->w("[runner %p] stopping with %zu remaining ops", this, ongoing_ops.load());
+            logger_->warn("[runner {:p}] stopping with {:d} remaining ops", fmt::ptr(this), ongoing_ops.load());
        }
        pending_ops = decltype(pending_ops)();
        pending_ops_prio = decltype(pending_ops_prio)();
@@ -454,12 +468,6 @@ DhtRunner::setLogger(const Sp<Logger>& logger) {
        dht_->setLogger(logger);
 }

-void
-DhtRunner::setLoggers(LogMethod error, LogMethod warn, LogMethod debug) {
-    Logger logger {std::move(error), std::move(warn), std::move(debug)};
-    setLogger(logger);
-}
-
 void
 DhtRunner::setLogFilter(const InfoHash& f) {
    std::lock_guard<std::mutex> lck(dht_mtx);
@@ -611,7 +619,7 @@ DhtRunner::getPublicAddress(std::function<void(std::vector<SockAddr>&&)> cb, sa_
 }

 void
-DhtRunner::registerCertificate(std::shared_ptr<crypto::Certificate> cert) {
+DhtRunner::registerCertificate(const std::shared_ptr<crypto::Certificate>& cert) {
    std::lock_guard<std::mutex> lck(dht_mtx);
    dht_->registerCertificate(cert);
 }
@@ -633,7 +641,7 @@ DhtRunner::loop_()
    {
        std::lock_guard<std::mutex> lck(storage_mtx);
        auto s = getStatus();
-        ops = (pending_ops_prio.empty() && (s == NodeStatus::Connected or s == NodeStatus::Disconnected)) ?
+        ops = (pending_ops_prio.empty() && (s == NodeStatus::Connected or s == NodeStatus::Disconnected or running == State::Stopping)) ?
               std::move(pending_ops) : std::move(pending_ops_prio);
    }
    while (not ops.empty()) {
@@ -686,15 +694,16 @@ DhtRunner::loop_()
    }

    if (dropped && logger_)
-        logger_->e("[runner %p] Dropped %zu packets with high delay.", this, dropped);
+        logger_->e("[runner %p] Dropped %zu packets with high delay.", fmt::ptr(this), dropped);

    NodeStatus nstatus4 = dht_->updateStatus(AF_INET);
    NodeStatus nstatus6 = dht_->updateStatus(AF_INET6);
    if (nstatus4 != status4 || nstatus6 != status6) {
        status4 = nstatus4;
        status6 = nstatus6;
-        if (statusCb)
-            statusCb(status4, status6);
+        for (auto& cb : statusCbs){
+            cb(status4, status6);
+        }
    }

    return wakeup;
@@ -1111,13 +1120,13 @@ DhtRunner::enableProxy(bool proxify)
                        cv.notify_all();
                    }
                },
-                config_.proxy_server, config_.push_node_id, logger_);
-        if (not config_.push_token.empty())
-            dht_via_proxy->setPushNotificationToken(config_.push_token);
-        if (not config_.push_topic.empty())
-            dht_via_proxy->setPushNotificationTopic(config_.push_topic);
-        if (not config_.push_platform.empty())
-            dht_via_proxy->setPushNotificationPlatform(config_.push_platform);
+                config_.proxy_server,
+                config_.proxy_user_agent,
+                config_.push_node_id,
+                config_.push_token,
+                config_.push_topic,
+                config_.push_platform,
+                logger_);
        dht_ = std::make_unique<SecureDht>(std::move(dht_via_proxy), config_.dht_config, identityAnnouncedCb_, logger_);
        // and use it
        use_proxy = proxify;
@@ -1177,18 +1186,25 @@ DhtRunner::setPushNotificationPlatform(const std::string& platform) {
 #endif
 }

-void
-DhtRunner::pushNotificationReceived(const std::map<std::string, std::string>& data)
+std::future<PushNotificationResult>
+DhtRunner::pushNotificationReceived([[maybe_unused]] const std::map<std::string, std::string>& data)
 {
 #if defined(OPENDHT_PROXY_CLIENT) && defined(OPENDHT_PUSH_NOTIFICATIONS)
+    auto ret_token = std::make_shared<std::promise<PushNotificationResult>>();
+    auto future = ret_token->get_future();
    std::lock_guard<std::mutex> lck(storage_mtx);
-    pending_ops_prio.emplace([=](SecureDht&) {
+    pending_ops_prio.emplace([ret_token, this, data](SecureDht&) {
        if (dht_)
-            dht_->pushNotificationReceived(data);
+            ret_token->set_value(dht_->pushNotificationReceived(data));
+        else
+            ret_token->set_value(PushNotificationResult::IgnoredStopped);
    });
    cv.notify_all();
+    return future;
 #else
-    (void) data;
+    std::promise<PushNotificationResult> p {};
+    p.set_value(PushNotificationResult::IgnoredDisabled);
+    return p.get_future();
 #endif
 }

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author: Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -17,14 +17,14 @@
 */

 #include "http.h"
-#include "log_enable.h"
+#include "logger.h"
 #include "crypto.h"
 #include "base64.h"
 #include "compat/os_cert.h"

 #include <asio.hpp>
 #include <restinio/impl/tls_socket.hpp>
-#include <http_parser.h>
+#include <llhttp.h>
 #include <json/json.h>

 #include <openssl/ocsp.h>
@@ -33,6 +33,10 @@
 #include <openssl/x509.h>
 #include <openssl/x509_vfy.h>

+#include <cctype>
+#include <iomanip>
+#include <sstream>
+
 #define MAXAGE_SEC (14*24*60*60)
 #define JITTER_SEC (60)
 #define OCSP_MAX_RESPONSE_SIZE (20480)
@@ -50,7 +54,7 @@ constexpr const char HTTPS_PROTOCOL[] = "https://";
 constexpr const char ORIGIN_PROTOCOL[] = "//";
 constexpr unsigned MAX_REDIRECTS {5};

-Url::Url(const std::string& url): url(url)
+Url::Url(std::string_view url): url(url)
 {
    size_t addr_begin = 0;
    // protocol
@@ -65,10 +69,9 @@ Url::Url(const std::string& url): url(url)
    size_t addr_size = url.substr(addr_begin).find("/");
    if (addr_size == std::string::npos)
        addr_size = url.size() - addr_begin;
-    auto host_service = splitPort(url.substr(addr_begin, addr_size));
-    host = host_service.first;
-    if (!host_service.second.empty())
-        service = host_service.second;
+    auto [h, s] = splitPort(url.substr(addr_begin, addr_size));
+    host = std::move(h);
+    service = std::move(s);
    // target, query and fragment
    size_t query_begin = url.find("?");
    auto addr_end = addr_begin + addr_size;
@@ -111,11 +114,11 @@ newTlsClientContext(const std::shared_ptr<dht::Logger>& logger)

    if (char* path = getenv("CA_ROOT_FILE")) {
        if (logger)
-            logger->d("Using CA file: %s", path);
+            logger->debug("Using CA file: {}", path);
        ctx->load_verify_file(path);
    } else if (char* path = getenv("CA_ROOT_PATH")) {
        if (logger)
-            logger->d("Using CA path: %s", path);
+            logger->debug("Using CA path: {}", path);
        ctx->add_verify_path(path);
    } else {
 #ifdef __ANDROID__
@@ -140,12 +143,12 @@ Connection::Connection(asio::io_context& ctx, const bool ssl, std::shared_ptr<dh
        ssl_ctx_ = newTlsClientContext(l);
        ssl_socket_ = std::make_unique<ssl_socket_t>(ctx_, ssl_ctx_);
        if (logger_)
-            logger_->d("[connection:%i] start https session with system CA", id_);
+            logger_->debug("[connection:{:d}] start https session with system CA", id_);
    }
    else {
        socket_ = std::make_unique<socket_t>(ctx);
        if (logger_)
-            logger_->d("[connection:%i] start http session", id_);
+            logger_->debug("[connection:{:d}] start http session", id_);
    }
 }

@@ -162,11 +165,11 @@ Connection::Connection(asio::io_context& ctx, std::shared_ptr<dht::crypto::Certi
        if (ec)
            throw std::runtime_error("Error adding certificate authority: " + ec.message());
        else if (logger_)
-            logger_->d("[connection:%i] start https with custom CA %s", id_, server_ca->getUID().c_str());
+            logger_->debug("[connection:{:d}] start https with custom CA {:s}", id_, server_ca->getUID());
    } else {
        ssl_ctx_ = newTlsClientContext(l);
        if (logger_)
-            logger_->d("[connection:%i] start https session with system CA", id_);
+            logger_->debug("[connection:{:d}] start https session with system CA", id_);
    }
    if (identity.first){
        auto key = identity.first->serialize();
@@ -181,7 +184,7 @@ Connection::Connection(asio::io_context& ctx, std::shared_ptr<dht::crypto::Certi
        if (ec)
            throw std::runtime_error("Error adding client certificate: " + ec.message());
        else if (logger_)
-            logger_->d("[connection:%i] client certificate %s", id_, identity.second->getUID().c_str());
+            logger_->debug("[connection:{:d}] client certificate {:s}", id_, identity.second->getUID());
    }
    ssl_socket_ = std::make_unique<ssl_socket_t>(ctx_, ssl_ctx_);
 }
@@ -204,7 +207,7 @@ Connection::close()
            socket_->close(ec);
    }
    if (ec and logger_)
-        logger_->e("[connection:%i] error closing: %s", id_, ec.message().c_str());
+        logger_->error("[connection:{:d}] error closing: {:s}", id_, ec.message());
 }

 bool
@@ -221,20 +224,25 @@ Connection::is_ssl() const
    return ssl_ctx_ ? true : false;
 }

-static time_t
-parse_ocsp_time(ASN1_GENERALIZEDTIME* gt)
-{
-    struct tm tm;
-    time_t rv = -1;
+std::string asn1ToString(ASN1_GENERALIZEDTIME* time) {
+    if (!time) {
+        return "(null)";
+    }
+    BIO* memBio = BIO_new(BIO_s_mem());
+    if (!memBio) {
+        throw std::runtime_error("Failed to create BIO");
+    }

-    if (gt == nullptr)
-        return -1;
-    // RFC 6960 specifies that all times in OCSP must be GENERALIZEDTIME
-    if (ASN1_time_parse((const char*)gt->data, gt->length, &tm, V_ASN1_GENERALIZEDTIME) == -1)
-        return -1;
-    if ((rv = timegm(&tm)) == -1)
-        return -1;
-    return rv;
+    if (ASN1_GENERALIZEDTIME_print(memBio, time) <= 0) {
+        BIO_free(memBio);
+        throw std::runtime_error("Failed to print ASN1_GENERALIZEDTIME");
+    }
+
+    char* bioData;
+    long bioLength = BIO_get_mem_data(memBio, &bioData);
+    std::string result(bioData, bioLength);
+    BIO_free(memBio);
+    return result;
 }

 static inline X509*
@@ -272,26 +280,26 @@ ocspRequestFromCert(STACK_OF(X509)* fullchain, const std::shared_ptr<Logger>& lo

    if (sk_X509_num(fullchain) <= 1) {
        if (logger)
-            logger->e("Cert does not contain a cert chain");
+            logger->error("Cert does not contain a cert chain");
        return {};
    }
    X509* cert = cert_from_chain(fullchain);
    if (cert == nullptr) {
        if (logger)
-            logger->e("No certificate found");
+            logger->error("No certificate found");
        return {};
    }
    X509* issuer = issuer_from_chain(fullchain);
    if (issuer == nullptr) {
        if (logger)
-            logger->e("Unable to find issuer for cert");
+            logger->error("Unable to find issuer for cert");
        return {};
    }

    auto urls = X509_get1_ocsp(cert);
    if (urls == nullptr || sk_OPENSSL_STRING_num(urls) <= 0) {
        if (logger)
-            logger->e("Certificate contains no OCSP url");
+            logger->error("Certificate contains no OCSP url");
        return {};
    }
    auto url = sk_OPENSSL_STRING_value(urls, 0);
@@ -306,12 +314,12 @@ ocspRequestFromCert(STACK_OF(X509)* fullchain, const std::shared_ptr<Logger>& lo
    OCSP_CERTID* id = OCSP_cert_to_id(EVP_sha1(), cert, issuer);
    if (id == nullptr) {
        if (logger)
-            logger->e("Unable to get certificate id from cert");
+            logger->error("Unable to get certificate id from cert");
        return {};
    }
    if (OCSP_request_add0_id(request->req.get(), id) == nullptr) {
        if (logger)
-            logger->e("Unable to add certificate id to request");
+            logger->error("Unable to add certificate id to request");
        return {};
    }

@@ -322,12 +330,12 @@ ocspRequestFromCert(STACK_OF(X509)* fullchain, const std::shared_ptr<Logger>& lo
    uint8_t* data {nullptr};
    if ((size = i2d_OCSP_REQUEST(request->req.get(), &data)) <= 0) {
        if (logger)
-            logger->e("Unable to encode ocsp request");
+            logger->error("Unable to encode ocsp request");
        return {};
    }
    if (data == nullptr) {
        if (logger)
-            logger->e("Unable to allocte memory");
+            logger->error("Unable to allocte memory");
        return {};
    }
    request->data = std::string((char*)data, (char*)data+size);
@@ -338,36 +346,32 @@ ocspRequestFromCert(STACK_OF(X509)* fullchain, const std::shared_ptr<Logger>& lo
 bool
 ocspValidateResponse(const OscpRequestInfo& info, STACK_OF(X509)* fullchain, const std::string& response, X509_STORE *store, const std::shared_ptr<Logger>& logger)
 {
-    ASN1_GENERALIZEDTIME *revtime = nullptr, *thisupd = nullptr, *nextupd = nullptr;
-    const uint8_t* p = (const uint8_t*)response.data();
-    int status, cert_status=0, crl_reason=0;
-    time_t now, rev_t = -1, this_t, next_t;
-
    X509* cert = cert_from_chain(fullchain);
    if (cert == nullptr) {
        if (logger)
-            logger->e("No certificate found");
+            logger->error("ocsp: no certificate found");
        return false;
    }
    X509* issuer = issuer_from_chain(fullchain);
    if (issuer == nullptr) {
        if (logger)
-            logger->e("Unable to find issuer for cert");
+            logger->error("ocsp: unable to find issuer for cert");
        return false;
    }

    OCSP_CERTID *cidr;
    if ((cidr = OCSP_cert_to_id(nullptr, cert, issuer)) == nullptr) {
        if (logger)
-            logger->e("Unable to get issuer cert/CID");
+            logger->error("ocsp: unable to get issuer cert/CID");
        return false;
    }
    std::unique_ptr<OCSP_CERTID, decltype(&OCSP_CERTID_free)> cid(cidr, &OCSP_CERTID_free);

+    const uint8_t* resp_data = (const uint8_t*)response.data();
    OCSP_RESPONSE *r;
-    if ((r = d2i_OCSP_RESPONSE(nullptr, &p, response.size())) == nullptr) {
+    if ((r = d2i_OCSP_RESPONSE(nullptr, &resp_data, response.size())) == nullptr) {
        if (logger)
-            logger->e("OCSP response unserializable");
+            logger->error("OCSP response unserializable");
        return false;
    }
    std::unique_ptr<OCSP_RESPONSE, decltype(&OCSP_RESPONSE_free)> resp(r, &OCSP_RESPONSE_free);
@@ -375,99 +379,59 @@ ocspValidateResponse(const OscpRequestInfo& info, STACK_OF(X509)* fullchain, con
    OCSP_BASICRESP *brespr;
    if ((brespr = OCSP_response_get1_basic(resp.get())) == nullptr) {
        if (logger)
-            logger->e("Failed to load OCSP response");
+            logger->error("Failed to load OCSP response");
        return false;
    }
    std::unique_ptr<OCSP_BASICRESP, decltype(&OCSP_BASICRESP_free)> bresp(brespr, &OCSP_BASICRESP_free);

    if (OCSP_basic_verify(bresp.get(), fullchain, store, OCSP_TRUSTOTHER) != 1) {
        if (logger)
-            logger->w("OCSP verify failed");
+            logger->warn("OCSP verify failed");
        return false;
    }
-    printf("OCSP response signature validated\n");

-    status = OCSP_response_status(resp.get());
+    int status = OCSP_response_status(resp.get());
    if (status != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
        if (logger)
-            logger->w("OCSP Failure: code %d (%s)", status, OCSP_response_status_str(status));
+            logger->warn("OCSP Failure: code {:d} ({:s})", status, OCSP_response_status_str(status));
        return false;
    }

    // Check the nonce if we sent one
    if (OCSP_check_nonce(info.req.get(), bresp.get()) <= 0) {
        if (logger)
-            logger->w("No OCSP nonce, or mismatch");
+            logger->warn("No OCSP nonce, or mismatch");
        return false;
    }

+    ASN1_GENERALIZEDTIME *revtime = nullptr, *thisupd = nullptr, *nextupd = nullptr;
+    int cert_status=0, crl_reason=0;
    if (OCSP_resp_find_status(bresp.get(), cid.get(), &cert_status, &crl_reason,
        &revtime, &thisupd, &nextupd) != 1) {
        if (logger)
-            logger->w("OCSP verify failed: no result for cert");
+            logger->warn("OCSP verify failed: no result for cert");
        return false;
    }

-    if (revtime && (rev_t = parse_ocsp_time(revtime)) == -1) {
-        if (logger)
-            logger->w("Unable to parse revocation time in OCSP reply");
-        return false;
-    }
    // Belt and suspenders, Treat it as revoked if there is either
    // a revocation time, or status revoked.
-    if (rev_t != -1 || cert_status == V_OCSP_CERTSTATUS_REVOKED) {
-        if (logger)
-            logger->w("Invalid OCSP reply: certificate is revoked");
-        if (rev_t != -1) {
-            if (logger)
-                logger->w("Certificate revoked at: %s", ctime(&rev_t));
+    if (revtime || cert_status == V_OCSP_CERTSTATUS_REVOKED) {
+        if (logger) {
+            logger->warn("OCSP verify failed: certificate revoked since {}", asn1ToString(revtime));
        }
        return false;
    }
-    if ((this_t = parse_ocsp_time(thisupd)) == -1) {
-        if (logger)
-            logger->w("unable to parse this update time in OCSP reply");
-        return false;
-    }
-    if ((next_t = parse_ocsp_time(nextupd)) == -1) {
-        if (logger)
-            logger->w("unable to parse next update time in OCSP reply");
-        return false;
-    }

-    // Don't allow this update to precede next update
-    if (this_t >= next_t) {
+    if (OCSP_check_validity(thisupd, nextupd, 1, -1) == 0) {
        if (logger)
-            logger->w("Invalid OCSP reply: this update >= next update");
-        return false;
-    }
-
-    now = time(nullptr);
-    // Check that this update is not more than JITTER seconds in the future.
-    if (this_t > now + JITTER_SEC) {
-        if (logger)
-            logger->e("Invalid OCSP reply: this update is in the future (%s)", ctime(&this_t));
-        return false;
-    }
-
-    // Check that this update is not more than MAXSEC in the past.
-    if (this_t < now - MAXAGE_SEC) {
-        if (logger)
-            logger->e("Invalid OCSP reply: this update is too old (%s)", ctime(&this_t));
-        return false;
-    }
-
-    // Check that next update is still valid
-    if (next_t < now - JITTER_SEC) {
-        if (logger)
-            logger->w("Invalid OCSP reply: reply has expired (%s)", ctime(&next_t));
+            logger->warn("OCSP reply is expired or not yet valid");
        return false;
    }

    if (logger) {
-        logger->d("OCSP response validated");
-        logger->d("	   This Update: %s", ctime(&this_t));
-        logger->d("	   Next Update: %s", ctime(&next_t));
+        logger->debug("OCSP response validated");
+        logger->debug("	   This Update: {}", asn1ToString(thisupd));
+        logger->debug("	   Next Update: {}", asn1ToString(nextupd));
    }
    return true;
 }
@@ -488,22 +452,22 @@ Connection::set_ssl_verification(const std::string& hostname, const asio::ssl::v
                    if (logger) {
                        char subject_name[1024];
                        X509_NAME_oneline(X509_get_subject_name(cert), subject_name, 1024);
-                        logger->d("[connection:%i] verify %s compliance to RFC 2818:\n%s", id, hostname.c_str(), subject_name);
+                        logger->debug("[connection:{:d}] verify {:s} compliance to RFC 2818:\n{:s}", id, hostname, subject_name);
                    }

                    // starts from CA and goes down the presented chain
-                    auto verifier = asio::ssl::rfc2818_verification(hostname);
+                    auto verifier = asio::ssl::host_name_verification(hostname);
                    bool verified = verifier(preverified, ctx);
                    auto verify_ec = X509_STORE_CTX_get_error(ctx.native_handle());
                    if (verify_ec != 0 /*X509_V_OK*/ and logger)
-                        logger->e("[http::connection:%i] ssl verification error=%i %d", id, verify_ec, verified);
+                        logger->error("[http::connection:{:d}] ssl verification error={:d} {}", id, verify_ec, verified);
                    if (verified and checkOcsp) {
                        std::unique_ptr<stack_st_X509, void(*)(stack_st_X509*)> chain(
                            X509_STORE_CTX_get1_chain(ctx.native_handle()),
                            [](stack_st_X509* c){ sk_X509_pop_free(c, X509_free); });
                        if (auto ocspInfo = ocspRequestFromCert(chain.get(), logger)) {
                            if (logger)
-                                logger->w("[http::connection:%i] TLS OCSP server: %s, request size: %zu", id, ocspInfo->url.c_str(), ocspInfo->data.size());
+                                logger->warn("[http::connection:{:d}] TLS OCSP server: {:s}, request size: {:d}", id, ocspInfo->url, ocspInfo->data.size());
                            bool ocspVerified = false;
                            asio::io_context io_ctx;
                            auto ocspReq = std::make_shared<Request>(io_ctx, ocspInfo->url, [&](const Response& ocspResp){
@@ -511,7 +475,7 @@ Connection::set_ssl_verification(const std::string& hostname, const asio::ssl::v
                                    ocspVerified = ocspValidateResponse(*ocspInfo, chain.get(), ocspResp.body, X509_STORE_CTX_get0_store(ctx.native_handle()), logger);
                                } else {
                                    if (logger)
-                                        logger->w("[http::connection:%i] TLS OCSP check error", id);
+                                        logger->warn("[http::connection:{:d}] TLS OCSP check error", id);
                                }
                            }, logger);
                            ocspReq->set_method(restinio::http_method_post());
@@ -571,48 +535,11 @@ Connection::async_connect(std::vector<asio::ip::tcp::endpoint>&& endpoints, Conn
 #pragma GCC diagnostic ignored "-Wunused-variable"
    ConnectHandlerCb wcb = [this, &base, cb=std::move(cb)](const asio::error_code& ec, const asio::ip::tcp::endpoint& endpoint) {
        if (!ec) {
-            auto socket = base.native_handle();
            local_address_ = base.local_endpoint().address();
            // Once connected, set a keep alive on the TCP socket with 30 seconds delay
            // This will generate broken pipes as soon as possible.
            // Note this needs to be done once connected to have a valid native_handle()
-            uint32_t start = 30;
-            uint32_t interval = 30;
-            uint32_t cnt = 1;
-#ifdef _WIN32
-            std::string val = "1";
-            setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE, val.c_str(), sizeof(val));
-
-            // TCP_KEEPIDLE and TCP_KEEPINTVL are available since Win 10 version 1709
-            // TCP_KEEPCNT since Win 10 version 1703
-#ifdef TCP_KEEPIDLE
-            std::string start_str = std::to_string(start);
-            setsockopt(socket, IPPROTO_TCP, TCP_KEEPIDLE,
-                    start_str.c_str(), sizeof(start_str));
-#endif
-#ifdef TCP_KEEPINTVL
-            std::string interval_str = std::to_string(interval);
-            setsockopt(socket, IPPROTO_TCP, TCP_KEEPINTVL,
-                    interval_str.c_str(), sizeof(interval_str));
-#endif
-#ifdef TCP_KEEPCNT
-            std::string cnt_str = std::to_string(cnt);
-            setsockopt(socket, IPPROTO_TCP, TCP_KEEPCNT,
-                    cnt_str.c_str(), sizeof(cnt_str));
-#endif
-#else
-            uint32_t val = 1;
-            setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE, &val, sizeof(uint32_t));
-#ifdef __APPLE__
-            // Apple devices only have one parameter
-            setsockopt(socket, IPPROTO_TCP, TCP_KEEPALIVE, &start, sizeof(uint32_t));
-#else
-            // Linux based systems
-            setsockopt(socket, SOL_TCP, TCP_KEEPIDLE, &start, sizeof(uint32_t));
-            setsockopt(socket, SOL_TCP, TCP_KEEPINTVL, &interval, sizeof(uint32_t));
-            setsockopt(socket, SOL_TCP, TCP_KEEPCNT, &cnt, sizeof(uint32_t));
-#endif
-#endif
+            this->set_keepalive(30);
        }
        if (cb)
            cb(ec, endpoint);
@@ -642,11 +569,11 @@ Connection::async_handshake(HandlerCb cb)
                if (this_.logger_) {
                    if (verify_ec == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT /*18*/
                        || verify_ec == X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN /*19*/)
-                        this_.logger_->d("[connection:%i] self-signed certificate in handshake: %i", this_.id_, verify_ec);
+                        this_.logger_->debug("[connection:{:d}] self-signed certificate in handshake: {:d}", this_.id_, verify_ec);
                    else if (verify_ec != X509_V_OK)
-                        this_.logger_->e("[connection:%i] verify handshake error: %i", this_.id_, verify_ec);
+                        this_.logger_->error("[connection:{:d}] verify handshake error: {:d}", this_.id_, verify_ec);
                    else
-                        this_.logger_->w("[connection:%i] verify handshake success", this_.id_);
+                        this_.logger_->warn("[connection:{:d}] verify handshake success", this_.id_);
                }
            }
            if (cb)
@@ -664,12 +591,12 @@ Connection::async_write(BytesHandlerCb cb)
 {
    std::lock_guard<std::mutex> lock(mutex_);
    if (!is_open()) {
-        if (cb) ctx_.post([cb](){ cb(asio::error::broken_pipe, 0); });
+        if (cb) asio::post(ctx_, [cb](){ cb(asio::error::broken_pipe, 0); });
        return;
    }
    if (ssl_socket_)  asio::async_write(*ssl_socket_, write_buf_, wrapCallback(std::move(cb)));
    else if (socket_) asio::async_write(*socket_, write_buf_, wrapCallback(std::move(cb)));
-    else if (cb)      ctx_.post([cb](){ cb(asio::error::operation_aborted, 0); });
+    else if (cb)      asio::post(ctx_, [cb](){ cb(asio::error::operation_aborted, 0); });
 }

 void
@@ -677,12 +604,12 @@ Connection::async_read_until(const char* delim, BytesHandlerCb cb)
 {
    std::lock_guard<std::mutex> lock(mutex_);
    if (!is_open()) {
-        if (cb) ctx_.post([cb](){ cb(asio::error::broken_pipe, 0); });
+        if (cb) asio::post(ctx_, [cb](){ cb(asio::error::broken_pipe, 0); });
        return;
    }
    if (ssl_socket_)  asio::async_read_until(*ssl_socket_, read_buf_, delim, wrapCallback(std::move(cb)));
    else if (socket_) asio::async_read_until(*socket_, read_buf_, delim, wrapCallback(std::move(cb)));
-    else if (cb)      ctx_.post([cb](){ cb(asio::error::operation_aborted, 0); });
+    else if (cb)      asio::post(ctx_, [cb](){ cb(asio::error::operation_aborted, 0); });
 }

 void
@@ -690,12 +617,12 @@ Connection::async_read_until(char delim, BytesHandlerCb cb)
 {
    std::lock_guard<std::mutex> lock(mutex_);
    if (!is_open()) {
-        if (cb) ctx_.post([cb](){ cb(asio::error::broken_pipe, 0); });
+        if (cb) asio::post(ctx_, [cb](){ cb(asio::error::broken_pipe, 0); });
        return;
    }
    if (ssl_socket_)  asio::async_read_until(*ssl_socket_, read_buf_, delim, wrapCallback(std::move(cb)));
    else if (socket_) asio::async_read_until(*socket_, read_buf_, delim, wrapCallback(std::move(cb)));
-    else if (cb)      ctx_.post([cb](){ cb(asio::error::operation_aborted, 0); });
+    else if (cb)      asio::post(ctx_, [cb](){ cb(asio::error::operation_aborted, 0); });
 }

 void
@@ -703,12 +630,12 @@ Connection::async_read(size_t bytes, BytesHandlerCb cb)
 {
    std::lock_guard<std::mutex> lock(mutex_);
    if (!is_open()) {
-        if (cb) ctx_.post([cb](){ cb(asio::error::broken_pipe, 0); });
+        if (cb) asio::post(ctx_, [cb](){ cb(asio::error::broken_pipe, 0); });
        return;
    }
    if (ssl_socket_)  asio::async_read(*ssl_socket_, read_buf_, asio::transfer_exactly(bytes), wrapCallback(std::move(cb)));
    else if (socket_) asio::async_read(*socket_, read_buf_, asio::transfer_exactly(bytes), wrapCallback(std::move(cb)));
-    else if (cb)      ctx_.post([cb](){ cb(asio::error::operation_aborted, 0); });
+    else if (cb)      asio::post(ctx_, [cb](){ cb(asio::error::operation_aborted, 0); });
 }

 void
@@ -716,7 +643,7 @@ Connection::async_read_some(size_t bytes, BytesHandlerCb cb)
 {
    std::lock_guard<std::mutex> lock(mutex_);
    if (!is_open()) {
-        if (cb) ctx_.post([cb](){ cb(asio::error::broken_pipe, 0); });
+        if (cb) asio::post(ctx_, [cb](){ cb(asio::error::broken_pipe, 0); });
        return;
    }
    auto buf = read_buf_.prepare(bytes);
@@ -728,6 +655,64 @@ Connection::async_read_some(size_t bytes, BytesHandlerCb cb)
    else              socket_->async_read_some(buf, onEnd);
 }

+void
+Connection::set_keepalive(uint32_t seconds)
+{
+    std::lock_guard<std::mutex> lock(mutex_);
+    if (!ssl_socket_ && !socket_) return;
+
+    auto& base = ssl_socket_? ssl_socket_->lowest_layer() : *socket_;
+    auto socket = base.native_handle();
+
+    uint32_t interval = 1;
+    uint32_t cnt = 10;
+#ifdef _WIN32
+    // TCP_KEEPIDLE and TCP_KEEPINTVL are available since Win 10 version 1709
+    // TCP_KEEPCNT since Win 10 version 1703
+#if defined(TCP_KEEPIDLE) && defined(TCP_KEEPINTVL) && defined(TCP_KEEPCNT)
+    std::string val = "1";
+    setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE, val.c_str(), sizeof(val));
+    std::string seconds_str = std::to_string(seconds);
+    setsockopt(socket, IPPROTO_TCP, TCP_KEEPIDLE,
+        seconds_str.c_str(), sizeof(seconds_str));
+    std::string interval_str = std::to_string(interval);
+    setsockopt(socket, IPPROTO_TCP, TCP_KEEPINTVL,
+        interval_str.c_str(), sizeof(interval_str));
+    std::string cnt_str = std::to_string(cnt);
+    setsockopt(socket, IPPROTO_TCP, TCP_KEEPCNT,
+        cnt_str.c_str(), sizeof(cnt_str));
+#else
+    struct {
+        uint32_t onoff;
+        uint32_t keepalivetime;
+        uint32_t keepaliveinterval;
+    } keepalive;
+    keepalive.onoff = 1;
+    keepalive.keepalivetime = seconds * 1000;
+    keepalive.keepaliveinterval = interval * 1000;
+    int32_t out = 0;
+    WSAIoctl(socket, SIO_KEEPALIVE_VALS, keepalive, sizeof(tcp_keepalive),
+        nullptr, 0, &out, nullptr, nullptr);
+#endif
+#else
+    uint32_t val = 1;
+    setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE, &val, sizeof(uint32_t));
+#ifdef __APPLE__
+    // Old Apple devices only have one parameter
+    setsockopt(socket, IPPROTO_TCP, TCP_KEEPALIVE, &seconds, sizeof(uint32_t));
+#if defined(TCP_KEEPINTVL) && defined(TCP_KEEPCNT)
+    setsockopt(socket, IPPROTO_TCP, TCP_KEEPINTVL, &interval, sizeof(uint32_t));
+    setsockopt(socket, IPPROTO_TCP, TCP_KEEPCNT, &cnt, sizeof(uint32_t));
+#endif
+#else
+    // Linux based systems
+    setsockopt(socket, SOL_TCP, TCP_KEEPIDLE, &seconds, sizeof(uint32_t));
+    setsockopt(socket, SOL_TCP, TCP_KEEPINTVL, &interval, sizeof(uint32_t));
+    setsockopt(socket, SOL_TCP, TCP_KEEPCNT, &cnt, sizeof(uint32_t));
+#endif
+#endif
+}
+
 const asio::ip::address&
 Connection::local_address() const
 {
@@ -745,7 +730,7 @@ Connection::timeout(const std::chrono::seconds& timeout, HandlerCb cb)
            return;
        else if (ec){
            if (logger)
-                logger->e("[connection:%i] timeout error: %s", id, ec.message().c_str());
+                logger->error("[connection:{:d}] timeout error: {:s}", id, ec.message());
        }
        if (cb)
            cb(ec);
@@ -795,6 +780,12 @@ Resolver::~Resolver()
    *destroyed_ = true;
 }

+void
+Resolver::cancel()
+{
+    resolver_.cancel();
+}
+
 inline
 std::vector<asio::ip::tcp::endpoint>
 filter(const std::vector<asio::ip::tcp::endpoint>& epts, sa_family_t family)
@@ -827,18 +818,28 @@ Resolver::add_callback(ResolverCb cb, sa_family_t family)
 }

 void
-Resolver::resolve(const std::string& host, const std::string& service)
+Resolver::resolve(const std::string& host, const std::string& serviceName)
 {
-    asio::ip::tcp::resolver::query query_(host, service);
-    resolver_.async_resolve(query_, [this, host, service, destroyed = destroyed_]
+    auto service = serviceName;
+    // The async_resolve function used below typically relies on the contents of the
+    // /etc/services (Linux/POSIX) or c:\windows\system32\drivers\etc\services (Windows)
+    // file in order to resolve a descriptive service name into a port number. A
+    // resolution attempt that would otherwise succeed can therefore fail if the file
+    // is inaccessible or corrupted (which is rare but can happen in practice). We
+    // hardcode the port numbers for http and https to prevent this failure mode.
+    if (service == "http") {
+        service = "80";
+    } else if (service == "https") {
+        service = "443";
+    }
+    resolver_.async_resolve(host, service, [this, host, service, destroyed = destroyed_]
        (const asio::error_code& ec, asio::ip::tcp::resolver::results_type endpoints)
    {
        if (ec == asio::error::operation_aborted or *destroyed)
            return;
        if (logger_) {
-            if (ec)
-                logger_->e("[http:client] [resolver] error for %s:%s: %s",
-                           host.c_str(), service.c_str(), ec.message().c_str());
+            logger_->error("[http:client] [resolver] result for {:s}:{:s}: {:s}",
+                        host, service, ec.message());
        }
        decltype(cbs_) cbs;
        {
@@ -880,7 +881,7 @@ Request::Request(asio::io_context& ctx, const std::string& url, const Json::Valu
            Json::CharReaderBuilder rbuilder;
            auto reader = std::unique_ptr<Json::CharReader>(rbuilder.newCharReader());
            if (!reader->parse(response.body.data(), response.body.data() + response.body.size(), &json, &err) and logger_)
-                logger_->e("[http:request:%i] can't parse response to json", id_, err.c_str());
+                logger_->error("[http:request:{:d}] can't parse response to json: {:s}", id_, err);
        }
        if (jsoncb)
            jsoncb(std::move(json), response);
@@ -902,7 +903,7 @@ Request::Request(asio::io_context& ctx, const std::string& url, OnJsonCb jsoncb,
            Json::CharReaderBuilder rbuilder;
            auto reader = std::unique_ptr<Json::CharReader>(rbuilder.newCharReader());
            if (!reader->parse(response.body.data(), response.body.data() + response.body.size(), &json, &err) and logger_)
-                logger_->e("[http:request:%i] can't parse response to json", id_, err.c_str());
+                logger_->error("[http:request:{:d}] can't parse response to json: {:s}", id_, err);
        }
        if (jsoncb)
            jsoncb(std::move(json), response);
@@ -970,6 +971,8 @@ Request::init_default_headers()
 void
 Request::cancel()
 {
+    if (auto r = resolver_)
+        r->cancel();
    if (auto c = conn_)
        c->close();
 }
@@ -1066,7 +1069,7 @@ Request::build()
        break;
    case restinio::http_connection_header_t::upgrade:
        if (logger_)
-            logger_->e("Unsupported connection type 'upgrade', fallback to 'close'");
+            logger_->error("Unsupported connection type 'upgrade', fallback to 'close'");
    // fallthrough
    case restinio::http_connection_header_t::close:
        conn_str = "close"; // default
@@ -1084,6 +1087,30 @@ Request::build()
    request_ = request.str();
 }

+// https://stackoverflow.com/a/17708801
+std::string
+Request::url_encode(std::string_view value)
+{
+    std::ostringstream escaped;
+    escaped.fill('0');
+    escaped << std::hex;
+
+    for (const char& c : value) {
+        // Keep alphanumeric and other accepted characters intact
+        if (std::isalnum(c) || c == '-' || c == '_' || c == '.' || c == '~') {
+            escaped << c;
+            continue;
+        }
+
+        // Any other characters are percent-encoded
+        escaped << std::uppercase;
+        escaped << '%' << std::setw(2) << static_cast<int>(static_cast<unsigned char>(c));
+        escaped << std::nouppercase;
+    }
+
+    return escaped.str();
+}
+
 void
 Request::add_on_status_callback(OnStatusCb cb) {
    cbs_.on_status = std::move(cb);
@@ -1120,13 +1147,11 @@ Request::init_parser()
    response_.request = shared_from_this();

    if (!parser_)
-        parser_ = std::make_unique<http_parser>();
-    http_parser_init(parser_.get(), HTTP_RESPONSE);
-    parser_->data = static_cast<void*>(this);
+        parser_ = std::make_unique<llhttp_t>();

    if (!parser_s_)
-        parser_s_ = std::make_unique<http_parser_settings>();
-    http_parser_settings_init(parser_s_.get());
+        parser_s_ = std::make_unique<llhttp_settings_t>();
+    llhttp_settings_init(parser_s_.get());

    cbs_.on_status = [this, statusCb = std::move(cbs_.on_status)](unsigned int status_code){
        response_.status_code = status_code;
@@ -1141,31 +1166,33 @@ Request::init_parser()
        response_.headers[*header_field] = std::string(at, length);
    };

-    // http_parser raw c callback (note: no context can be passed into them)
-    parser_s_->on_status = [](http_parser* parser, const char* /*at*/, size_t /*length*/) -> int {
+    // llhttp raw c callback (note: no context can be passed into them)
+    parser_s_->on_status = [](llhttp_t* parser, const char* /*at*/, size_t /*length*/) -> int {
        static_cast<Request*>(parser->data)->cbs_.on_status(parser->status_code);
        return 0;
    };
-    parser_s_->on_header_field = [](http_parser* parser, const char* at, size_t length) -> int {
+    parser_s_->on_header_field = [](llhttp_t* parser, const char* at, size_t length) -> int {
        static_cast<Request*>(parser->data)->cbs_.on_header_field(at, length);
        return 0;
    };
-    parser_s_->on_header_value = [](http_parser* parser, const char* at, size_t length) -> int {
+    parser_s_->on_header_value = [](llhttp_t* parser, const char* at, size_t length) -> int {
        static_cast<Request*>(parser->data)->cbs_.on_header_value(at, length);
        return 0;
    };
-    parser_s_->on_body = [](http_parser* parser, const char* at, size_t length) -> int {
+    parser_s_->on_body = [](llhttp_t* parser, const char* at, size_t length) -> int {
        static_cast<Request*>(parser->data)->onBody(at, length);
        return 0;
    };
-    parser_s_->on_headers_complete = [](http_parser* parser) -> int {
+    parser_s_->on_headers_complete = [](llhttp_t* parser) -> int {
        static_cast<Request*>(parser->data)->onHeadersComplete();
        return 0;
    };
-    parser_s_->on_message_complete = [](http_parser* parser) -> int {
+    parser_s_->on_message_complete = [](llhttp_t* parser) -> int {
        static_cast<Request*>(parser->data)->onComplete();
        return 0;
    };
+    llhttp_init(parser_.get(), HTTP_RESPONSE, parser_s_.get());
+    parser_->data = static_cast<void*>(this);
 }

 void
@@ -1173,7 +1200,7 @@ Request::connect(std::vector<asio::ip::tcp::endpoint>&& endpoints, HandlerCb cb)
 {
    if (endpoints.empty()){
        if (logger_)
-            logger_->e("[http:request:%i] connect: no endpoints provided", id_);
+            logger_->error("[http:request:{:d}] connect: no endpoints provided", id_);
        if (cb)
            cb(asio::error::connection_aborted);
        return;
@@ -1182,7 +1209,7 @@ Request::connect(std::vector<asio::ip::tcp::endpoint>&& endpoints, HandlerCb cb)
        std::string eps = "";
        for (const auto& endpoint : endpoints)
            eps.append(endpoint.address().to_string() + ":" + std::to_string(endpoint.port()) + " ");
-        logger_->d("[http:request:%i] connect begin: %s", id_, eps.c_str());
+        logger_->debug("[http:request:{:d}] connect begin: {:s}", id_, eps);
    }
    bool isHttps = get_url().protocol == "https";
    if (isHttps) {
@@ -1213,7 +1240,7 @@ Request::connect(std::vector<asio::ip::tcp::endpoint>&& endpoints, HandlerCb cb)
        }
        else if (ec) {
            if (this_.logger_)
-                this_.logger_->e("[http:request:%i] connect failed with all endpoints: %s", this_.id_, ec.message().c_str());
+                this_.logger_->error("[http:request:{:d}] connect failed with all endpoints: {:s}", this_.id_, ec.message());
        } else {
            const auto& url = this_.get_url();
            auto port = endpoint.port();
@@ -1229,9 +1256,9 @@ Request::connect(std::vector<asio::ip::tcp::endpoint>&& endpoints, HandlerCb cb)
                        if (ec == asio::error::operation_aborted)
                            return;
                        if (ec and logger)
-                            logger->e("[http:request:%i] handshake error: %s", id, ec.message().c_str());
+                            logger->error("[http:request:{:d}] handshake error: {:s}", id, ec.message());
                        //else if (logger)
-                        //    logger->d("[http:request:%i] handshake success", id);
+                        //    logger->d("[http:request:{:d}] handshake success", id);
                        if (cb)
                            cb(ec);
                    });
@@ -1259,7 +1286,7 @@ Request::send()
            std::lock_guard<std::mutex> lock(this_.mutex_);
            if (ec){
                if (this_.logger_)
-                    this_.logger_->e("[http:request:%i] resolve error: %s", this_.id_, ec.message().c_str());
+                    this_.logger_->error("[http:request:{:d}] resolve error: {:s}", this_.id_, ec.message());
                this_.terminate(asio::error::connection_aborted);
            }
            else if (!this_.conn_ or !this_.conn_->is_open()) {
@@ -1289,7 +1316,7 @@ Request::post()
    init_parser();

    if (logger_)
-        logger_->d("[http:request:%i] sending %zu bytes", id_, request_.size());
+        logger_->debug("[http:request:{}] sending {} bytes", id_, request_.size());

    // write the request to buffer
    std::ostream request_stream(&conn_->input());
@@ -1317,12 +1344,12 @@ Request::terminate(const asio::error_code& ec)

    if (logger_) {
        if (ec and ec != asio::error::eof and !response_.aborted)
-            logger_->e("[http:request:%i] end with error: %s", id_, ec.message().c_str());
+            logger_->error("[http:request:{:d}] end with error: {:s}", id_, ec.message());
        else
-            logger_->d("[http:request:%i] done with status code %u", id_, response_.status_code);
+            logger_->debug("[http:request:{:d}] done with status code {:d}", id_, response_.status_code);
    }

-    if (!parser_ or !http_should_keep_alive(parser_.get()))
+    if (!parser_ or !llhttp_should_keep_alive(parser_.get()))
        if (auto c = conn_)
            c->close();
    notify_state_change(State::DONE);
@@ -1361,17 +1388,15 @@ Request::handle_response(const asio::error_code& ec, size_t /* n_bytes */)
        return;
    }
    auto request = (ec == asio::error::eof) ? std::string{} : conn_->read_bytes();
-    size_t ret = http_parser_execute(parser_.get(), parser_s_.get(), request.c_str(), request.size());
-    if (ret != request.size()) {
+    enum llhttp_errno ret = llhttp_execute(parser_.get(), request.c_str(), request.size());
+    if (ret != HPE_OK && ret != HPE_PAUSED) {
        if (logger_)
-            logger_->e("Error parsing HTTP: %zu %s %s", ret,
-                http_errno_name(HTTP_PARSER_ERRNO(parser_)),
-                http_errno_description(HTTP_PARSER_ERRNO(parser_)));
+            logger_->e("Error parsing HTTP: %zu %s %d", (int)ret, llhttp_errno_name(ret), llhttp_get_error_reason(parser_.get()));
        terminate(asio::error::basic_errors::broken_pipe);
        return;
    }

-    if (state_ != State::DONE and parser_ and not http_body_is_final(parser_.get())) {
+    if (state_ != State::DONE and parser_ and not llhttp_message_needs_eof(parser_.get())) {
        auto toRead = parser_->content_length ? std::min<uint64_t>(parser_->content_length, 64 * 1024) : 64 * 1024;
        std::weak_ptr<Request> wthis = shared_from_this();
        conn_->async_read_some(toRead, [wthis](const asio::error_code& ec, size_t bytes){
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *              Nicolas Reynaud <nicolas.reynaud@savoirfairelinux.com>
@@ -316,7 +316,7 @@ void Pht::updateCanary(Prefix p) {
    dht_->put(p.hash(), std::move(canary_value),
        [=](bool){
            static std::bernoulli_distribution d(0.5);
-            crypto::random_device rd;
+            std::random_device rd;
            if (p.size_ and d(rd))
                updateCanary(p.getPrefix(-1));
        }
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *
 *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
@@ -20,6 +20,10 @@
 #include "log.h"
 #include "dhtrunner.h"

+#include <fmt/format.h>
+#include <fmt/ostream.h>
+#include <fmt/printf.h>
+
 #ifndef _WIN32
 #include <syslog.h>
 #endif
@@ -30,46 +34,70 @@
 namespace dht {
 namespace log {

+/**
+ * Terminal colors for logging
+ */
+namespace Color {
+    enum Code {
+        FG_RED      = 31,
+        FG_GREEN    = 32,
+        FG_YELLOW   = 33,
+        FG_BLUE     = 34,
+        FG_DEFAULT  = 39,
+        BG_RED      = 41,
+        BG_GREEN    = 42,
+        BG_BLUE     = 44,
+        BG_DEFAULT  = 49
+    };
+    class Modifier {
+        const Code code;
+    public:
+        constexpr Modifier(Code pCode) : code(pCode) {}
+        friend std::ostream&
+        operator<<(std::ostream& os, const Modifier& mod) {
+            return os << "\033[" << mod.code << 'm';
+        }
+    };
+}
+
+constexpr const Color::Modifier def(Color::FG_DEFAULT);
+constexpr const Color::Modifier red(Color::FG_RED);
+constexpr const Color::Modifier yellow(Color::FG_YELLOW);
+
 /**
 * Print va_list to std::ostream (used for logging).
 */
 void
-printLog(std::ostream& s, char const *m, va_list args) {
-    // print log to buffer
-    std::array<char, 8192> buffer;
-    int ret = vsnprintf(buffer.data(), buffer.size(), m, args);
-    if (ret <= 0)
-        return;
-
-    // write timestamp
+printfLog(std::ostream& s, const std::string& message) {
    using namespace std::chrono;
    using log_precision = microseconds;
-    constexpr auto den = log_precision::period::den;
    auto num = duration_cast<log_precision>(steady_clock::now().time_since_epoch()).count();
-    s << "[" << std::setfill('0') << std::setw(6) << num / den << "."
-             << std::setfill('0') << std::setw(6) << num % den << "]" << " ";
-
-    // write log
-    s.write(buffer.data(), std::min((size_t) ret, buffer.size()));
-    if ((size_t) ret >= buffer.size())
-        s << "[[TRUNCATED]]";
+    constexpr auto den = log_precision::period::den;
+    fmt::print(s, "[{:06d}.{:06d}] ", num / den, num % den);
+    s << message << std::endl;
+}
+void
+printLog(std::ostream& s, fmt::string_view format, fmt::format_args args) {
+    using namespace std::chrono;
+    using log_precision = microseconds;
+    auto num = duration_cast<log_precision>(steady_clock::now().time_since_epoch()).count();
+    constexpr auto den = log_precision::period::den;
+    fmt::print(s, "[{:06d}.{:06d}] ", num / den, num % den);
+    fmt::vprint(s, format, args);
    s << std::endl;
 }

 std::shared_ptr<Logger>
 getStdLogger() {
    return std::make_shared<Logger>(
-        [](char const *m, va_list args) {
-            std::cerr << red;
-            printLog(std::cerr, m, args);
+        [](LogLevel level, std::string&& message) {
+            if (level == LogLevel::error)
+                std::cerr << red;
+            else if (level == LogLevel::warning)
+                std::cerr << yellow;
+            printfLog(std::cerr, message);
            std::cerr << def;
-        },
-        [](char const *m, va_list args) {
-            std::cout << yellow;
-            printLog(std::cout, m, args);
-            std::cout << def;
-        },
-        [](char const *m, va_list args) { printLog(std::cout, m, args); }
+        }
    );
 }

@@ -77,14 +105,28 @@ std::shared_ptr<Logger>
 getFileLogger(const std::string &path) {
    auto logfile = std::make_shared<std::ofstream>();
    logfile->open(path, std::ios::out);
-
    return std::make_shared<Logger>(
-        [=](char const *m, va_list args) { printLog(*logfile, m, args); },
-        [=](char const *m, va_list args) { printLog(*logfile, m, args); },
-        [=](char const *m, va_list args) { printLog(*logfile, m, args); }
+        [logfile](LogLevel /*level*/, std::string&& message) {
+            printfLog(*logfile, message);
+        }
    );
 }

+#ifndef _WIN32
+constexpr
+int syslogLevel(LogLevel level) {
+    switch (level) {
+    case LogLevel::error:
+        return LOG_ERR;
+    case LogLevel::warning:
+        return LOG_WARNING;
+    case LogLevel::debug:
+        return LOG_INFO;
+    }
+    return LOG_ERR;
+}
+#endif
+
 std::shared_ptr<Logger>
 getSyslogLogger(const char* name) {
 #ifndef _WIN32
@@ -104,12 +146,11 @@ getSyslogLogger(const char* name) {
        opened_logfile = logfile;
    }
    return std::make_shared<Logger>(
-        [logfile](char const *m, va_list args) { vsyslog(LOG_ERR, m, args); },
-        [logfile](char const *m, va_list args) { vsyslog(LOG_WARNING, m, args); },
-        [logfile](char const *m, va_list args) { vsyslog(LOG_INFO, m, args); }
-    );
+        [logfile](LogLevel level, std::string&& message) {
+            syslog(syslogLevel(level), "%s", message.c_str());
+        });
 #else
-    return std::make_shared<Logger>();
+    return getStdLogger();
 #endif
 }

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2023 Savoir-faire Linux Inc.
 *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
 *
@@ -20,10 +20,12 @@
 #include "network_engine.h"
 #include "request.h"
 #include "default_types.h"
-#include "log_enable.h"
+#include "logger.h"
 #include "parsed_message.h"

 #include <msgpack.hpp>
+#include <chrono>
+#include <string_view>

 namespace dht {
 namespace net {
@@ -41,7 +43,8 @@ constexpr std::chrono::seconds NetworkEngine::UDP_REPLY_TIME;
 constexpr std::chrono::seconds NetworkEngine::RX_MAX_PACKET_TIME;
 constexpr std::chrono::seconds NetworkEngine::RX_TIMEOUT;

-const std::string NetworkEngine::my_v {"RNG1"};
+/* OpenDHT User Agent (UA) */
+constexpr std::string_view OPENDHT_UA {"o2"};

 static constexpr uint8_t v4prefix[16] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0xFF, 0xFF, 0, 0, 0, 0};

@@ -140,7 +143,7 @@ NetworkEngine::tellListenerRefreshed(const Sp<Node>& n, Tid socket_id, const Inf
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);

-    pk.pack_map(4 + (version >= 1 ? 1 : 0) + (config.network?1:0));
+    pk.pack_map(4 + (version >= 1 ? 1 : 0) + (config.network?1:0)+(config.is_client?1:0));

    pk.pack(version >= 1 ? KEY_A : KEY_U);
        pk.pack_map(1 + (version >= 1 ? 1 : 0) + (not values.empty()?1:0) + (not token.empty()?1:0));
@@ -159,10 +162,13 @@ NetworkEngine::tellListenerRefreshed(const Sp<Node>& n, Tid socket_id, const Inf
        }

    pk.pack(KEY_Y); pk.pack(version >= 1 ? KEY_Q : KEY_R);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    if (version >= 1) {
        Tid tid (n->getNewTid());
@@ -191,7 +197,7 @@ NetworkEngine::tellListenerExpired(const Sp<Node>& n, Tid socket_id, const InfoH
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);

-    pk.pack_map(4 + (version >= 1 ? 1 : 0) + (config.network?1:0));
+    pk.pack_map(4 + (version >= 1 ? 1 : 0) + (config.network?1:0)+(config.is_client?1:0));

    pk.pack(version >= 1 ? KEY_A : KEY_U);
        pk.pack_map(1 + (version >= 1 ? 1 : 0) + (not values.empty()?1:0) + (not token.empty()?1:0));
@@ -210,10 +216,13 @@ NetworkEngine::tellListenerExpired(const Sp<Node>& n, Tid socket_id, const InfoH
        }

    pk.pack(KEY_Y); pk.pack(version >= 1 ? KEY_Q : KEY_R);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    if (version >= 1) {
        Tid tid (n->getNewTid());
@@ -375,7 +384,6 @@ NetworkEngine::isMartian(const SockAddr& addr)
        const auto& sin6 = addr.getIPv6();
        const uint8_t* address = (const uint8_t*)&sin6.sin6_addr;
        return address[0] == 0xFF ||
-              (address[0] == 0xFE && (address[1] & 0xC0) == 0x80) ||
               memcmp(address, InfoHash::zero().data(), 16) == 0 ||
               memcmp(address, v4prefix,      12) == 0;
    }
@@ -518,8 +526,13 @@ NetworkEngine::process(std::unique_ptr<ParsedMessage>&& msg, const SockAddr& fro
            throw DhtProtocolException {DhtProtocolException::UNKNOWN_TID, "Can't find socket", msg->id};
        node->received(now, {});
        onNewNode(node, 2);
-        deserializeNodes(*msg, from);
-        rsocket->on_receive(node, std::move(*msg));
+        try {
+            deserializeNodes(*msg, from);
+            rsocket->on_receive(node, std::move(*msg));
+        } catch (const DhtProtocolException& e) {
+            if (logger_)
+                logger_->w("Can't deserialize nodes %s", e.what());
+        }
    }
    else if (msg->type == MessageType::Error or msg->type == MessageType::Reply) {
        auto rsocket = node->getSocket(msg->tid);
@@ -582,13 +595,22 @@ NetworkEngine::process(std::unique_ptr<ParsedMessage>&& msg, const SockAddr& fro
                    r.node->authSuccess();
                }
                r.reply_time = scheduler.time();
-
-                deserializeNodes(*msg, from);
-                r.setDone(std::move(*msg));
+                try {
+                    deserializeNodes(*msg, from);
+                    r.setDone(std::move(*msg));
+                } catch (const DhtProtocolException& e) {
+                    if (logger_)
+                        logger_->w("Can't deserialize nodes %s", e.what());
+                }
                break;
            } else { /* request socket data */
-                deserializeNodes(*msg, from);
-                rsocket->on_receive(node, std::move(*msg));
+                try {
+                    deserializeNodes(*msg, from);
+                    rsocket->on_receive(node, std::move(*msg));
+                } catch (const DhtProtocolException& e) {
+                    if (logger_)
+                        logger_->w("Can't deserialize nodes %s", e.what());
+                }
            }
            break;
        default:
@@ -702,7 +724,7 @@ NetworkEngine::sendPing(const Sp<Node>& node, RequestCb&& on_done, RequestExpire
    Tid tid (node->getNewTid());
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(5+(config.network?1:0));
+    pk.pack_map(5+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_A); pk.pack_map(1);
     pk.pack(KEY_REQ_ID); pk.pack(myid);
@@ -710,10 +732,13 @@ NetworkEngine::sendPing(const Sp<Node>& node, RequestCb&& on_done, RequestExpire
    pk.pack(KEY_Q); pk.pack(QUERY_PING);
    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_Q);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    auto req = std::make_shared<Request>(MessageType::Ping, tid, node,
        Blob(buffer.data(), buffer.data() + buffer.size()),
@@ -739,7 +764,7 @@ void
 NetworkEngine::sendPong(const SockAddr& addr, Tid tid) {
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(4+(config.network?1:0));
+    pk.pack_map(4+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_R); pk.pack_map(2);
      pk.pack(KEY_REQ_ID); pk.pack(myid);
@@ -747,10 +772,13 @@ NetworkEngine::sendPong(const SockAddr& addr, Tid tid) {

    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_R);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    send(addr, buffer.data(), buffer.size());
 }
@@ -761,7 +789,7 @@ NetworkEngine::sendFindNode(const Sp<Node>& n, const InfoHash& target, want_t wa
    Tid tid (n->getNewTid());
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(5+(config.network?1:0));
+    pk.pack_map(5+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_A); pk.pack_map(2 + (want>0?1:0));
      pk.pack(KEY_REQ_ID);     pk.pack(myid);
@@ -776,10 +804,13 @@ NetworkEngine::sendFindNode(const Sp<Node>& n, const InfoHash& target, want_t wa
    pk.pack(KEY_Q); pk.pack(QUERY_FIND);
    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_Q);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    auto req = std::make_shared<Request>(MessageType::FindNode, tid, n,
        Blob(buffer.data(), buffer.data() + buffer.size()),
@@ -806,7 +837,7 @@ NetworkEngine::sendGetValues(const Sp<Node>& n, const InfoHash& info_hash, const
    Tid tid (n->getNewTid());
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(5+(config.network?1:0));
+    pk.pack_map(5+(config.network?1:0)+(config.is_client?1:0));

    unsigned sendQuery = (not query.where.empty() or not query.select.empty()) ? 1 : 0;
    unsigned sendWant = (want > 0) ? 1 : 0;
@@ -829,11 +860,14 @@ NetworkEngine::sendGetValues(const Sp<Node>& n, const InfoHash& info_hash, const
    pk.pack(KEY_Q); pk.pack(QUERY_GET);
    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_Q);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
-
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }
+    
    auto req = std::make_shared<Request>(MessageType::GetValues, tid, n,
        Blob(buffer.data(), buffer.data() + buffer.size()),
        [=](const Request& req_status, ParsedMessage&& msg) { /* on done */
@@ -950,10 +984,13 @@ NetworkEngine::sendValueParts(Tid tid, const std::vector<Blob>& svals, const Soc
            end = std::min(start + MTU, v.size());
            buffer.clear();
            msgpack::packer<msgpack::sbuffer> pk(&buffer);
-            pk.pack_map(3+(config.network?1:0));
+            pk.pack_map(3+(config.network?1:0)+(config.is_client?1:0));
            if (config.network) {
                pk.pack(KEY_NETID); pk.pack(config.network);
            }
+            if (config.is_client) {
+                pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+            }
            pk.pack(KEY_Y); pk.pack(KEY_V);
            pk.pack(KEY_TID); pk.pack(tid);
            pk.pack(KEY_V); pk.pack_map(1);
@@ -974,7 +1011,7 @@ NetworkEngine::sendNodesValues(const SockAddr& addr, Tid tid, const Blob& nodes,
 {
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(4+(config.network?1:0));
+    pk.pack_map(4+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_R);
    pk.pack_map(2 + (not st.empty()?1:0) + (nodes.size()>0?1:0) + (nodes6.size()>0?1:0) + (not token.empty()?1:0));
@@ -1012,10 +1049,13 @@ NetworkEngine::sendNodesValues(const SockAddr& addr, Tid tid, const Blob& nodes,

    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_R);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    // send response
    send(addr, buffer.data(), buffer.size());
@@ -1087,7 +1127,7 @@ NetworkEngine::sendListen(const Sp<Node>& n,
    Tid tid (n->getNewTid());
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(5+(config.network?1:0));
+    pk.pack_map(5+(config.network?1:0)+(config.is_client?1:0));

    auto has_query = not query.where.empty() or not query.select.empty();
    pk.pack(KEY_A); pk.pack_map(5 + has_query);
@@ -1103,10 +1143,13 @@ NetworkEngine::sendListen(const Sp<Node>& n,
    pk.pack(KEY_Q); pk.pack(QUERY_LISTEN);
    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_Q);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    auto req = std::make_shared<Request>(MessageType::Listen, tid, n,
        Blob(buffer.data(), buffer.data() + buffer.size()),
@@ -1128,7 +1171,7 @@ void
 NetworkEngine::sendListenConfirmation(const SockAddr& addr, Tid tid) {
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(4+(config.network?1:0));
+    pk.pack_map(4+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_R); pk.pack_map(2);
      pk.pack(KEY_REQ_ID); pk.pack(myid);
@@ -1136,10 +1179,13 @@ NetworkEngine::sendListenConfirmation(const SockAddr& addr, Tid tid) {

    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_R);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    send(addr, buffer.data(), buffer.size());
 }
@@ -1156,7 +1202,7 @@ NetworkEngine::sendAnnounceValue(const Sp<Node>& n,
    Tid tid (n->getNewTid());
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(5+(config.network?1:0));
+    pk.pack_map(5+(config.network?1:0)+(config.is_client?1:0));

    bool add_created = created < scheduler.time();
    pk.pack(KEY_A); pk.pack_map(add_created ? 5 : 4);
@@ -1172,10 +1218,13 @@ NetworkEngine::sendAnnounceValue(const Sp<Node>& n,
    pk.pack(KEY_Q);   pk.pack(QUERY_PUT);
    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y);   pk.pack(KEY_Q);
-    pk.pack(KEY_UA);  pk.pack(my_v);
+    pk.pack(KEY_UA);  pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    auto req = std::make_shared<Request>(MessageType::AnnounceValue, tid, n,
        Blob(buffer.data(), buffer.data() + buffer.size()),
@@ -1242,7 +1291,7 @@ NetworkEngine::sendUpdateValues(const Sp<Node>& n,

    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(5+(config.network?1:0));
+    pk.pack_map(5+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_A); pk.pack_map((created < scheduler.time() ? 7 : 6));
      pk.pack(KEY_REQ_ID);     pk.pack(myid);
@@ -1259,10 +1308,13 @@ NetworkEngine::sendUpdateValues(const Sp<Node>& n,
    pk.pack(KEY_Q);   pk.pack(QUERY_UPDATE);
    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y);   pk.pack(KEY_Q);
-    pk.pack(KEY_UA);  pk.pack(my_v);
+    pk.pack(KEY_UA);  pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    auto req = std::make_shared<Request>(MessageType::UpdateValue, tid, n,
        Blob(buffer.data(), buffer.data() + buffer.size()),
@@ -1287,7 +1339,7 @@ NetworkEngine::sendRefreshValue(const Sp<Node>& n,
    Tid tid (n->getNewTid());
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(5+(config.network?1:0));
+    pk.pack_map(5+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_A); pk.pack_map(4);
      pk.pack(KEY_REQ_ID);       pk.pack(myid);
@@ -1298,10 +1350,13 @@ NetworkEngine::sendRefreshValue(const Sp<Node>& n,
    pk.pack(KEY_Q); pk.pack(QUERY_REFRESH);
    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_Q);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    auto req = std::make_shared<Request>(MessageType::Refresh, tid, n,
        Blob(buffer.data(), buffer.data() + buffer.size()),
@@ -1333,7 +1388,7 @@ void
 NetworkEngine::sendValueAnnounced(const SockAddr& addr, Tid tid, Value::Id vid) {
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(4+(config.network?1:0));
+    pk.pack_map(4+(config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_R); pk.pack_map(3);
      pk.pack(KEY_REQ_ID);  pk.pack(myid);
@@ -1342,10 +1397,13 @@ NetworkEngine::sendValueAnnounced(const SockAddr& addr, Tid tid, Value::Id vid)

    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_R);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    send(addr, buffer.data(), buffer.size());
 }
@@ -1359,7 +1417,7 @@ NetworkEngine::sendError(const SockAddr& addr,
 {
    msgpack::sbuffer buffer;
    msgpack::packer<msgpack::sbuffer> pk(&buffer);
-    pk.pack_map(4 + (include_id?1:0) + (config.network?1:0));
+    pk.pack_map(4 + (include_id?1:0) + (config.network?1:0)+(config.is_client?1:0));

    pk.pack(KEY_E); pk.pack_array(2);
      pk.pack(code);
@@ -1372,10 +1430,13 @@ NetworkEngine::sendError(const SockAddr& addr,

    pk.pack(KEY_TID); pk.pack(tid);
    pk.pack(KEY_Y); pk.pack(KEY_E);
-    pk.pack(KEY_UA); pk.pack(my_v);
+    pk.pack(KEY_UA); pk.pack(OPENDHT_UA);
    if (config.network) {
        pk.pack(KEY_NETID); pk.pack(config.network);
    }
+    if (config.is_client) {
+        pk.pack(KEY_ISCLIENT); pk.pack(config.is_client);
+    }

    send(addr, buffer.data(), buffer.size());
 }