proxy server: allow to ping push

Up until now, these were only set by the GNU Build System in
configure.ac, and so the pkg-config files generated from CMake builds
did not have the right Libs.private and Requires.private, especially
useful when linking statically.

.devcontainer/devcontainer.json

@@ -0,0 +1,12 @@
+{
+	"name": "C++",
+	"build": {
+		"dockerfile": "../docker/DockerfileDepsLlvm",
+	},
+	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined"],
+	"settings": {},
+	"extensions": [
+		"ms-vscode.cpptools"
+	],
+	"forwardPorts": [4222],
+}

.github/workflows/ccpp.yml

@@ -1,24 +1,20 @@
 name: C/C++ CI
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
-  build:
-
+  build-ubuntu:
+    name: Ubuntu/GCC build
     runs-on: ubuntu-latest
-    
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: deps
       run: |
         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
+        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libargon2-0-dev
     - name: autogen
       run: ./autogen.sh
-    - name: argon2
-      run: |
-        cd argon2 && make && sudo make install && cd ..
     - name: asio
       run: |
         wget https://github.com/aberaud/asio/archive/b2b7a1c166390459e1c169c8ae9ef3234b361e3f.tar.gz \
@@ -32,3 +28,57 @@ jobs:
       run: make
     - name: make check
       run: make check
+
+  build-ubuntu-minimal:
+    name: Ubuntu/GCC minimal build
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: deps
+      run: |
+        sudo apt install libncurses5-dev libreadline-dev nettle-dev \
+        libgnutls28-dev libcppunit-dev libmsgpack-dev libargon2-0-dev
+    - name: cmake
+      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: make
+      run: cd build && make
+
+  build-macos:
+    name: macOS/Clang build
+    runs-on: macos-11
+    steps:
+    - uses: actions/checkout@v3
+    - name: deps
+      run: |
+        brew install msgpack-cxx asio gnutls nettle readline fmt jsoncpp argon2 openssl http-parser cppunit
+
+    - 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: cmake
+      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: make
+      run: cd build && make
+

.github/workflows/clang-analyzer.yml

@@ -0,0 +1,35 @@
+name: Clang Static Analysis
+on: [push, pull_request]
+
+jobs:
+  clang-analyzer:
+    name: Clang Static Analysis
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: deps
+        run: |
+          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 \
+          llvm llvm-dev clang clang-tools && \
+          sudo apt remove gcc g++
+
+      - 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
+
+      - name: cmake
+        run: |
+          mkdir build && cd build && \
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Debug -DOPENDHT_C=On -DOPENDHT_PEER_DISCOVERY=On -DOPENDHT_PYTHON=Off -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=On -DOPENDHT_PROXY_CLIENT=On -DOPENDHT_PUSH_NOTIFICATIONS=On
+      - name: scan-build
+        run: cd build && scan-build --status-bugs make

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,53 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ "master" ]
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/savoirfairelinux/opendht/opendht-deps:latest
+
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'cpp' ]
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v2
+      with:
+        languages: ${{ matrix.language }}
+        
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v2
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 See https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
+
+    #   If the Autobuild fails above, remove it and uncomment the following three lines. 
+    #   modify them (or add more) to build your code if your project, please refer to the EXAMPLE below for guidance.
+
+    # - run: |
+    #   echo "Run, Build Application using script"
+    #   ./location_of_script_within_repo/buildscript.sh
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v2

.github/workflows/release-package.yml

@@ -0,0 +1,223 @@
+name: Release actions
+
+on:
+  push:
+    tags:
+    - 'v*'
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME_DEPS: ${{ github.repository }}/opendht-deps
+  IMAGE_NAME: ${{ github.repository }}/opendht
+  IMAGE_NAME_DEPS_LLVM: ${{ github.repository }}/opendht-deps-llvm
+  IMAGE_NAME_LLVM: ${{ github.repository }}/opendht-llvm
+  IMAGE_NAME_DHTNODE: ${{ github.repository }}/dhtnode
+
+jobs:
+  build-and-push-deps-image:
+    name: Dependency Docker image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_DEPS }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: docker/DockerfileDeps
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  build-and-push-image:
+    name: OpenDHT Docker image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: docker/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  build-and-push-deps-image-llvm:
+    name: Dependency Docker image (LLVM)
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_DEPS_LLVM }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: docker/DockerfileDepsLlvm
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  build-and-push-image-llvm:
+    name: OpenDHT Docker image (LLVM)
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_LLVM }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: docker/DockerfileLlvm
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  build-and-push-image-dhtnode:
+    name: dhtnode Docker image
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@v2
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME_DHTNODE }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v3
+        with:
+          context: .
+          file: docker/DockerfileDhtnode
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+
+  build-python-wheel:
+    name: Release and build Python Wheel package
+    runs-on: ubuntu-latest
+    container: ghcr.io/savoirfairelinux/opendht/opendht-deps:latest
+
+    permissions:
+      contents: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: cmake
+        run: |
+          mkdir build && cd build && \
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
+                   -DCMAKE_BUILD_TYPE=Release \
+                   -DOPENDHT_STATIC=Off \
+                   -DOPENDHT_PYTHON=On \
+                   -DOPENDHT_C=Off \
+                   -DOPENDHT_PEER_DISCOVERY=On \
+                   -DOPENDHT_TOOLS=Off \
+                   -DOPENDHT_PROXY_SERVER=On \
+                   -DOPENDHT_PROXY_CLIENT=On
+
+      - name: build
+        run: cd build && make dist
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: opendht-wheels-linux
+          path: build/python/dist/*.whl
+
+      - name: Create Release
+        id: create_release
+        uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          files: build/python/dist/*.whl

.gitignore

@@ -19,6 +19,9 @@
 *.exe
 *.out
 *.app
+**/dhtnode
+**/dhtchat
+**/dhtscanner
 
 # Autotools
 /ac
@@ -73,3 +76,5 @@ doc/Doxyfile
 
 # build dir
 build
+build_dev
+.DS_Store

.gitmodules

@@ -1,4 +0,0 @@
-[submodule "argon2"]
-	path = argon2
-	url = https://github.com/P-H-C/phc-winner-argon2
-	ignore = dirty

.travis.yml

@@ -1,67 +0,0 @@
-dist: xenial
-sudo: required
-
-services:
-  - docker
-
-language: cpp
-
-env:
-  matrix:
-    - OPENDHT_TEST_JOB="opendht.classic"
-    - OPENDHT_TEST_JOB="opendht.llvm"
-    - OPENDHT_TEST_JOB="opendht.proxyserver"
-    - OPENDHT_TEST_JOB="opendht.proxyclient"
-    - OPENDHT_TEST_JOB="opendht.push"
-
-before_install:
-  - |
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.classic"* ]]; then
-      docker pull aberaud/opendht-deps-bionic;
-    fi
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.proxyclient"* ]] || [[ "$OPENDHT_TEST_JOB" == *"opendht.proxyserver"* ]] || [[ "$OPENDHT_TEST_JOB" == *"opendht.push"* ]]; then
-      docker pull aberaud/opendht-deps;
-    fi
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.llvm"* ]]; then
-      docker pull aberaud/opendht-deps-llvm
-    fi
-
-script:
-  - |
-    # classic build
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.classic"* ]]; then
-      docker build -t opendht -f docker/DockerfileTravis .;
-    fi
-
-  - |
-    # proxy builds
-    if [[ "$OPENDHT_TEST_JOB" != *"opendht.llvm"* ]] && [[ "$OPENDHT_TEST_JOB" != *"opendht.classic"* ]]; then
-      docker build -t opendht-proxy -f docker/DockerfileTravisProxy .;
-      options='-DOPENDHT_SANITIZE=On ';
-      if [[ "$OPENDHT_TEST_JOB" == *"opendht.proxyserver"* ]] || [[ "$OPENDHT_TEST_JOB" == *"opendht.push"* ]]; then
-        options+='-DOPENDHT_PROXY_SERVER=ON ';
-      else
-        options+='-DOPENDHT_PROXY_SERVER=OFF ';
-      fi
-      if [[ "$OPENDHT_TEST_JOB" == *"opendht.proxyclient"* ]] || [[ "$OPENDHT_TEST_JOB" == *"opendht.push"* ]]; then
-        options+='-DOPENDHT_PROXY_CLIENT=ON ';
-      else
-        options+='-DOPENDHT_PROXY_CLIENT=OFF ';
-      fi
-      if [[ "$OPENDHT_TEST_JOB" == *"opendht.push"* ]]; then
-        options+='-DOPENDHT_PUSH_NOTIFICATIONS=ON ';
-      else
-        options+='-DOPENDHT_PUSH_NOTIFICATIONS=OFF ';
-      fi
-      docker run opendht-proxy /bin/sh -c "cd /root/opendht && mkdir build && cd build && cmake -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=ON -DOPENDHT_LTO=ON -DOPENDHT_TESTS=ON $options .. && make -j8 && ./opendht_unit_tests && make install";
-    fi
-
-  - |
-    # llvm build
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.llvm"* ]]; then
-      docker build -f docker/DockerfileTravisLlvm .
-    fi
-
-notifications:
-  email:
-      - adrien.beraud@savoirfairelinux.com

.vscode/launch.json

@@ -0,0 +1,54 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "dhtnode",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build_dev/tools/dhtnode",
+            "args": ["-v", "-p", "4222"],
+            "cwd": "${workspaceFolder}/build_dev",
+            "environment": [],
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ],
+            "preLaunchTask": "build",
+            "linux": {
+                "MIMode": "gdb",
+                "externalConsole": false,
+              },
+              "osx": {
+                "MIMode": "lldb",
+                "externalConsole": true,
+              },
+        },
+        {
+            "name": "tests",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build_dev/opendht_unit_tests",
+            "cwd": "${workspaceFolder}/build_dev",
+            "environment": [],
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ],
+            "preLaunchTask": "build",
+            "linux": {
+                "MIMode": "gdb",
+                "externalConsole": false,
+            },
+            "osx": {
+                "MIMode": "lldb",
+                "externalConsole": true,
+            },
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,46 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "type": "shell",
+            "options": {
+                "cwd": "${workspaceRoot}/build_dev"
+            },
+            "command": "make",
+            "args": ["-j4"],
+            "dependsOn": "cmake"
+        },
+        {
+            "label": "cmake",
+            "type": "shell",
+            "options": {
+                "cwd": "${workspaceRoot}/build_dev"
+            },
+            "command": "cmake",
+            "args": [
+                "${workspaceRoot}",
+                "-DCMAKE_EXPORT_COMPILE_COMMANDS=On",
+                "-DCMAKE_BUILD_TYPE=Debug",
+                "-DOPENDHT_SANITIZE=On",
+                "-DOPENDHT_PROXY_CLIENT=On",
+                "-DOPENDHT_PROXY_SERVER=On",
+                "-DOPENDHT_TESTS=On",
+                "-DOPENDHT_C=On"
+            ],
+            "dependsOn": "builddir"
+        },
+        {
+            "label": "builddir",
+            "type": "shell",
+            "options": {
+                "cwd": "${workspaceRoot}"
+            },
+            "command": "mkdir",
+            "args": [
+                "-p",
+                "${workspaceRoot}/build_dev"
+            ]
+        },
+    ]
+}

CMakeLists.txt

@@ -1,10 +1,20 @@
-cmake_minimum_required (VERSION 3.1)
+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)
+endif()
+project (opendht)
+
 include(CMakePackageConfigHelpers)
 include(CMakeDependentOption)
+include(CheckIncludeFileCXX)
+include(FindPkgConfig)
+include(cmake/CheckAtomic.cmake)
 
-project (opendht)
 set (opendht_VERSION_MAJOR 2)
-set (opendht_VERSION_MINOR 1.6)
+set (opendht_VERSION_MINOR 4.12)
 set (opendht_VERSION ${opendht_VERSION_MAJOR}.${opendht_VERSION_MINOR})
 set (PACKAGE_VERSION ${opendht_VERSION})
 set (VERSION "${opendht_VERSION}")
@@ -17,15 +27,12 @@ option (OPENDHT_PYTHON "Build Python bindings" OFF)
 option (OPENDHT_TOOLS "Build DHT tools" ON)
 option (OPENDHT_SYSTEMD "Install systemd module" OFF)
 option (OPENDHT_SYSTEMD_UNIT_FILE_LOCATION "Where to install systemd unit file")
-option (OPENDHT_ARGON2 "Use included argon2 sources" OFF)
-option (OPENDHT_LTO "Build with LTO" OFF)
 option (OPENDHT_SANITIZE "Build with address sanitizer and stack protector" OFF)
 option (OPENDHT_PROXY_SERVER "Enable DHT proxy server, use Restinio and jsoncpp" OFF)
 option (OPENDHT_PUSH_NOTIFICATIONS "Enable push notifications support" OFF)
 option (OPENDHT_PROXY_SERVER_IDENTITY "Allow clients to use the node identity" OFF)
 option (OPENDHT_PROXY_CLIENT "Enable DHT proxy client, use Restinio and jsoncpp" OFF)
 option (OPENDHT_PROXY_OPENSSL "Build DHT proxy with OpenSSL" ON)
-option (OPENDHT_PROXY_HTTP_PARSER_FORK "Build DHT proxy with custom http_parser to support old API" OFF)
 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_INDEX "Build DHT indexation feature" OFF)
@@ -36,72 +43,66 @@ option (OPENDHT_C "Build C bindings" OFF)
 find_package(Doxygen)
 option (OPENDHT_DOCUMENTATION "Create and install the HTML based API documentation (requires Doxygen)" ${DOXYGEN_FOUND})
 
-# native windows build
-set (MSVC (CMAKE_CXX_COMPILER_ID MATCHES "MSVC"))
+# Build flags
+set (CMAKE_CXX_STANDARD 17)
+set (CMAKE_CXX_STANDARD_REQUIRED on)
 
 # Dependencies
+if (NOT HAVE_CXX_ATOMICS_WITHOUT_LIB)
+    link_libraries (atomic)
+endif ()
+
 list (APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 if (NOT MSVC)
+    set (THREADS_PREFER_PTHREAD_FLAG TRUE)
     find_package (Threads)
     find_package (PkgConfig REQUIRED)
-    find_package (GnuTLS 3.3 REQUIRED)
-    pkg_search_module (Nettle nettle)
-    find_package (Msgpack 1.2 REQUIRED)
+    pkg_search_module (GnuTLS REQUIRED IMPORTED_TARGET gnutls)
+    pkg_search_module (Nettle REQUIRED IMPORTED_TARGET nettle)
+    find_package (msgpack REQUIRED NAMES msgpackc-cxx msgpack msgpack-cxx)
     if (OPENDHT_TOOLS)
         find_package (Readline 6 REQUIRED)
     endif ()
-    if (NOT OPENDHT_ARGON2)
-        pkg_search_module(argon2 libargon2)
-        if (argon2_FOUND)
-            message("-- Found Argon2: " ${argon2_LIBRARY_DIRS} " (found version \"" ${argon2_VERSION} "\")")
-            link_directories (${argon2_LIBRARY_DIRS})
-        else ()
-            message("Argon2 not found, using included version.")
-            set(OPENDHT_ARGON2 ON)
-        endif()
-    endif ()
-
-    pkg_search_module(Jsoncpp jsoncpp)
+    pkg_search_module(argon2 REQUIRED IMPORTED_TARGET libargon2)
+    set(argon2_lib ", libargon2")
+    pkg_search_module(Jsoncpp IMPORTED_TARGET jsoncpp)
     if (Jsoncpp_FOUND)
         add_definitions(-DOPENDHT_JSONCPP)
+        set(jsoncpp_lib ", jsoncpp")
         list (APPEND opendht_SOURCES
           src/base64.h
           src/base64.cpp
         )
     endif()
 
+    if (OPENDHT_HTTP OR OPENDHT_PEER_DISCOVERY)
+        find_path(ASIO_INCLUDE_DIR asio.hpp REQUIRED)
+    endif ()
+
     if (OPENDHT_HTTP)
         find_package(Restinio REQUIRED)
-        if (Restinio_FOUND)
-            find_library(FMT_LIBRARY fmt)
-            add_library(fmt SHARED IMPORTED)
-            find_library(HTTP_PARSER_LIBRARY http_parser)
-            add_library(http_parser SHARED IMPORTED)
-        endif()
+        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")
         if (NOT Jsoncpp_FOUND)
             message(SEND_ERROR "Jsoncpp is required for DHT proxy support")
         endif()
         if (OPENDHT_PROXY_OPENSSL)
             # https://cmake.org/cmake/help/latest/module/FindOpenSSL.html
-            pkg_search_module(OPENSSL REQUIRED openssl)
+            pkg_search_module(OPENSSL REQUIRED IMPORTED_TARGET openssl)
             if (OPENSSL_FOUND)
-                message(STATUS "Found OpenSSL ${OPENSSL_VERSION}")
-                include_directories(${OPENSSL_INCLUDE_DIRS})
+                message(STATUS "Found OpenSSL ${OPENSSL_VERSION} ${OPENSSL_INCLUDE_DIRS}")
+                set(openssl_lib ", openssl")
             else ()
                 message(SEND_ERROR "OpenSSL is required for DHT proxy as specified")
             endif()
         endif()
-        if (OPENDHT_PROXY_HTTP_PARSER_FORK)
-            add_definitions(-DOPENDHT_PROXY_HTTP_PARSER_FORK)
-        endif()
     else ()
         set(OPENDHT_PROXY_OPENSSL OFF)
     endif ()
 else ()
-    add_definitions(-D_WINSOCK_DEPRECATED_NO_WARNINGS
-                    -D_CRT_SECURE_NO_WARNINGS
-                    -DWIN32_LEAN_AND_MEAN)
-    
     set (WIN32_DEP_DIR ${PROJECT_SOURCE_DIR}/../)
     include_directories(${WIN32_DEP_DIR}/../msvc/include) # SMP gnutls
     include_directories(${WIN32_DEP_DIR}/argon2/include)
@@ -127,25 +128,22 @@ if (OPENDHT_HTTP OR OPENDHT_PEER_DISCOVERY)
     add_definitions(-DASIO_STANDALONE)
 endif()
 
-# Build flags
-set (CMAKE_CXX_STANDARD 14)
-set (CMAKE_CXX_STANDARD_REQUIRED on)
-
 if (NOT MSVC)
-    set(CXX_WARNINGS -Wno-return-type -Wall -Wextra
-                     -Wnon-virtual-dtor
-                     -pedantic-errors
-                     -fvisibility=hidden)
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${CXX_WARNINGS}")
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-return-type -Wno-deprecated -Wall -Wextra -Wnon-virtual-dtor -pedantic-errors -fvisibility=hidden")
     if (OPENDHT_SANITIZE)
         set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fstack-protector-strong")
     endif ()
 else ()
-    set(DISABLE_MSC_WARNINGS "/wd4101 /wd4244 /wd4267 /wd4273 /wd4804 /wd4834")
+    add_definitions(-D_WINSOCK_DEPRECATED_NO_WARNINGS
+                    -D_CRT_SECURE_NO_WARNINGS
+                    -DWIN32_LEAN_AND_MEAN
+                    -DSTATIC_GETOPT
+                    -DGNUTLS_INTERNAL_BUILD)
+    set(DISABLE_MSC_WARNINGS "/wd4101 /wd4244 /wd4267 /wd4273 /wd4804 /wd4834 /wd4996")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DISABLE_MSC_WARNINGS}")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
 endif ()
-set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT")
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMSGPACK_NO_BOOST -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT")
 
 if (NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release)
@@ -156,36 +154,13 @@ if (OPENDHT_LOG)
 else ()
     add_definitions(-DOPENDHT_LOG=false)
 endif()
-if (OPENDHT_LTO AND NOT MSVC)
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto")
-    if (CMAKE_COMPILER_IS_GNUCC)
-        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-linker-plugin")
-        set (CMAKE_AR        "gcc-ar")
-        set (CMAKE_NM        "gcc-nm")
-        set (CMAKE_RANLIB    "gcc-ranlib")
-    endif ()
-endif ()
 
-if (MSGPACK_INCLUDE_DIRS)
-    include_directories (SYSTEM "${MSGPACK_INCLUDE_DIRS}")
-endif ()
-if (GNUTLS_INCLUDE_DIRS)
-    include_directories (SYSTEM "${GNUTLS_INCLUDE_DIRS}")
-endif ()
-if (Nettle_INCLUDE_DIRS)
-    include_directories (SYSTEM "${Nettle_INCLUDE_DIRS}")
+if (ASIO_INCLUDE_DIR)
+    include_directories (SYSTEM "${ASIO_INCLUDE_DIR}")
 endif ()
 if (Restinio_INCLUDE_DIR)
     include_directories (SYSTEM "${Restinio_INCLUDE_DIR}")
 endif ()
-if (Jsoncpp_INCLUDE_DIRS)
-    include_directories (SYSTEM "${Jsoncpp_INCLUDE_DIRS}")
-endif ()
-if (OpenSSL_INCLUDE_DIR)
-    include_directories (SYSTEM "${OpenSSL_INCLUDE_DIR}")
-endif ()
-link_directories (${Nettle_LIBRARY_DIRS})
-link_directories (${Jsoncpp_LIBRARY_DIRS})
 include_directories (
     ./
     include/
@@ -305,33 +280,16 @@ if (OPENDHT_HTTP)
   list (APPEND opendht_HEADERS
     include/opendht/proxy.h
     include/opendht/http.h
+    src/compat/os_cert.h
   )
   list (APPEND opendht_SOURCES
     src/http.cpp
+    src/compat/os_cert.cpp
   )
 endif ()
 
-if(OPENDHT_ARGON2)
-    # make sure argon2 submodule is up to date and initialized
-    message("Initializing Argon2 submodule")
-    execute_process(COMMAND git submodule update --init)
-
-    # add local argon2 files to build
-    list (APPEND opendht_SOURCES
-        argon2/src/argon2.c
-        argon2/src/core.c
-        argon2/src/blake2/blake2b.c
-        argon2/src/thread.c
-        argon2/src/ref.c
-        argon2/src/encoding.c
-    )
-    include_directories(argon2/include/)
-endif()
-
 if (MSVC)
-    set (MSC_COMPAT_DIR ${PROJECT_SOURCE_DIR}/compat/msvc/)
-    list (APPEND opendht_HEADERS ${MSC_COMPAT_DIR}/unistd.h)
-    #include_directories(${PROJECT_SOURCE_DIR}/compat/msvc/)
+    list (APPEND opendht_HEADERS src/compat/msvc/unistd.h)
 endif ()
 
 # Targets
@@ -342,16 +300,20 @@ if (OPENDHT_STATIC)
             ${opendht_HEADERS}
         )
         set_target_properties (opendht-static PROPERTIES OUTPUT_NAME "opendht")
-        if (OPENDHT_ARGON2)
-            target_include_directories(opendht-static SYSTEM PRIVATE argon2)
-        else ()
-            target_include_directories(opendht-static SYSTEM PRIVATE ${argon2_INCLUDE_DIRS})
-        endif ()
+        target_include_directories(opendht-static SYSTEM PRIVATE ${argon2_INCLUDE_DIRS})
         target_link_libraries(opendht-static
-            PRIVATE  ${argon2_LIBRARIES}
-            PUBLIC ${CMAKE_THREAD_LIBS_INIT} ${GNUTLS_LIBRARIES} ${Nettle_STATIC_LIBRARIES}
-                   ${Jsoncpp_STATIC_LIBRARIES} ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY}
-                   ${OPENSSL_STATIC_LIBRARIES})
+            PRIVATE PkgConfig::argon2
+            PUBLIC ${CMAKE_THREAD_LIBS_INIT} PkgConfig::GnuTLS PkgConfig::Nettle msgpackc-cxx
+                ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY})
+        if (Jsoncpp_FOUND)
+            target_link_libraries(opendht-static PUBLIC PkgConfig::Jsoncpp)
+        endif()
+        if (OPENDHT_PROXY_OPENSSL)
+            target_link_libraries(opendht-static PUBLIC PkgConfig::OPENSSL)
+        endif()
+        if (APPLE)
+            target_link_libraries(opendht-static PRIVATE SYSTEM "-framework CoreFoundation" "-framework Security")
+        endif()
     else ()
         if (OPENDHT_TOOLS)
             function (add_obj_lib name libfile)
@@ -368,17 +330,15 @@ if (OPENDHT_STATIC)
             )
             if (OPENDHT_HTTP)
                 add_obj_lib (win32_fmt ${WIN32_DEP_DIR}/fmt/msvc/Release/fmt.lib)
-                #add_obj_lib (win32_asio ${WIN32_DEP_DIR}/asio/asio/msvc/x64/Release/asio.lib)
                 add_obj_lib (win32_http_parser ${WIN32_DEP_DIR}/http_parser/x64/Release/http-parser.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_asio>
                     $<TARGET_OBJECTS:win32_http_parser>
                     $<TARGET_OBJECTS:win32_ssl>
                     $<TARGET_OBJECTS:win32_crypto>
-                )       
+                )
             endif ()
         else ()
             list (APPEND win32_Libs
@@ -389,7 +349,6 @@ if (OPENDHT_STATIC)
             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}/../asio/asio/msvc/x64/Release/asio.lib
                 ${PROJECT_SOURCE_DIR}/../openssl/libssl.lib
                 ${PROJECT_SOURCE_DIR}/../openssl/libcrypto.lib
             )
@@ -399,7 +358,7 @@ if (OPENDHT_STATIC)
             ${opendht_HEADERS}
             ${obj_libs}
         )
-        target_link_libraries(opendht-static PUBLIC ${Win32_STATIC_LIBRARIES} ${Win32_IMPORT_LIBRARIES})    
+        target_link_libraries(opendht-static PUBLIC ${Win32_STATIC_LIBRARIES} ${Win32_IMPORT_LIBRARIES})
         set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /ignore:4006")
         set_target_properties (opendht-static PROPERTIES OUTPUT_NAME "libopendht")
     endif()
@@ -414,31 +373,43 @@ if (OPENDHT_SHARED)
     set_target_properties (opendht PROPERTIES IMPORT_SUFFIX "_import.lib")
     set_target_properties (opendht PROPERTIES SOVERSION ${opendht_VERSION_MAJOR} VERSION ${opendht_VERSION})
     target_compile_definitions(opendht PRIVATE OPENDHT_BUILD)
-    if (OPENDHT_ARGON2)
-        target_include_directories(opendht SYSTEM PRIVATE argon2)
-    else ()
-        target_link_libraries(opendht PRIVATE ${argon2_LIBRARIES})
-        target_include_directories(opendht SYSTEM PRIVATE ${argon2_INCLUDE_DIRS})
-    endif ()
     target_link_libraries(opendht
-        PUBLIC ${CMAKE_THREAD_LIBS_INIT} ${OPENSSL_LIBRARIES}
-        PRIVATE ${GNUTLS_LIBRARIES} ${Nettle_LIBRARIES}
-                ${Jsoncpp_LIBRARIES}
-                ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY})
+        PUBLIC ${CMAKE_THREAD_LIBS_INIT} msgpackc-cxx
+        PRIVATE PkgConfig::GnuTLS PkgConfig::Nettle
+                ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY} PkgConfig::argon2)
+    if (Jsoncpp_FOUND)
+        target_link_libraries(opendht PUBLIC PkgConfig::Jsoncpp)
+    endif()
+    if (OPENDHT_PROXY_OPENSSL)
+        target_link_libraries(opendht PUBLIC PkgConfig::OPENSSL)
+    endif()    
+    if (APPLE)
+        target_link_libraries(opendht PRIVATE SYSTEM "-framework CoreFoundation" "-framework Security")
+    endif ()
 
     install (TARGETS opendht DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht)
 endif ()
 
 if (OPENDHT_C)
-    add_library (opendht-c SHARED
-        c/opendht.cpp
-        c/opendht_c.h
-    )
-    target_compile_definitions(opendht-c PRIVATE OPENDHT_C_BUILD)
     if (OPENDHT_SHARED)
-        target_link_libraries(opendht-c opendht)
-    else ()
-        target_link_libraries(opendht-c opendht-static)
+        add_library (opendht-c SHARED
+            c/opendht.cpp
+            c/opendht_c.h
+        )
+        target_compile_definitions(opendht-c PRIVATE OPENDHT_C_BUILD)
+        target_link_libraries(opendht-c PRIVATE opendht)
+        set_target_properties (opendht-c PROPERTIES SOVERSION ${opendht_VERSION_MAJOR} VERSION ${opendht_VERSION})
+        install (TARGETS opendht-c DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht-c)
+    endif ()
+
+    if (OPENDHT_STATIC)
+        add_library (opendht-c-static STATIC
+            c/opendht.cpp
+            c/opendht_c.h
+        )
+        set_target_properties (opendht-c-static PROPERTIES OUTPUT_NAME "opendht-c")
+        target_link_libraries(opendht-c-static PRIVATE opendht-static)
+        install (TARGETS opendht-c-static DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht-c-static)
     endif ()
 
     # PkgConfig module
@@ -447,8 +418,8 @@ if (OPENDHT_C)
         opendht-c.pc
         @ONLY
     )
-    install (TARGETS opendht-c DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht-c)
     install (FILES ${CMAKE_CURRENT_BINARY_DIR}/opendht-c.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+    install (FILES c/opendht_c.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include/opendht)
 endif ()
 
 if (OPENDHT_TOOLS)
@@ -480,7 +451,7 @@ install (FILES ${CMAKE_CURRENT_BINARY_DIR}/opendhtConfigVersion.cmake DESTINATIO
 
 # Unit tests
 if (OPENDHT_TESTS)
-    pkg_search_module(Cppunit REQUIRED cppunit)
+    pkg_search_module(Cppunit REQUIRED IMPORTED_TARGET cppunit)
     # unit testing
     list (APPEND test_FILES
         tests/infohashtester.h
@@ -523,12 +494,11 @@ if (OPENDHT_TESTS)
     endif ()
     target_link_libraries(opendht_unit_tests
        ${CMAKE_THREAD_LIBS_INIT}
-       ${Cppunit_LIBRARIES}
+       PkgConfig::Cppunit
        ${GNUTLS_LIBRARIES}
-       ${Jsoncpp_LIBRARIES}
     )
     if (OPENDHT_PROXY_OPENSSL)
-        target_link_libraries(opendht_unit_tests ${OPENSSL_LIBRARIES})
+        target_link_libraries(opendht_unit_tests PkgConfig::OPENSSL)
     endif()
     enable_testing()
     add_test(TEST opendht_unit_tests)

Makefile.am

@@ -4,6 +4,10 @@ SUBDIRS =
 
 SUBDIRS += src
 
+if ENABLE_C
+SUBDIRS += c
+endif
+
 if ENABLE_TOOLS
 SUBDIRS += tools
 endif

README.md

@@ -4,7 +4,7 @@
     <a id="user-content-opendht-" class="anchor" href="/savoirfairelinux/opendht/blob/master/README.md#opendht-" aria-hidden="true"></a>OpenDHT
 </h1>
 
-A lightweight C++14 Distributed Hash Table implementation.
+A lightweight C++17 Distributed Hash Table implementation.
 
 OpenDHT provides an easy to use distributed in-memory data store.
 Every node in the network can read and write values to the store.
@@ -14,7 +14,7 @@ Values are distributed over the network, with redundancy.
  * High resilience to network disruption
  * Public key cryptography layer providing optional data signature and encryption (using GnuTLS)
  * IPv4 and IPv6 support
- * Clean and powerful **C++14** map API
+ * Clean and powerful **C++17** map API
  * Bindings for **C, Rust & Python 3**
  * REST API with optional HTTP client+server with push notification support
 
@@ -27,7 +27,7 @@ Build instructions: <https://github.com/savoirfairelinux/opendht/wiki/Build-the-
 
 #### How-to build a simple client app
 ```bash
-g++ main.cpp -std=c++14 -lopendht
+g++ main.cpp -std=c++17 -lopendht
 ```
 
 ## Examples
@@ -98,15 +98,15 @@ for r in results:
 - Nettle 2.4+, a GnuTLS dependency for crypto.
 - (optional) restinio used for the REST API.
 - (optional) jsoncpp 1.7.4-3+, used for the REST API.
-- Build tested with GCC 5.2+ (GNU/Linux, Windows with MinGW), Clang/LLVM (GNU/Linux, Android, macOS, iOS).
-- Build tested with Microsoft Visual Studio 2015, 2017, 2019
+- 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
 
 ## Contact
 
-IRC: join us on Freenode at [`#opendht`](https://webchat.freenode.net/?channels=%23opendht).
+IRC: join us on Libera.chat at [`#opendht`](https://web.libera.chat/#opendht).
 
 ## License
-Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+Copyright (C) 2014-2022 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.
 

autogen.sh

@@ -1,2 +1 @@
-git submodule update --init
 autoreconf --install --verbose -Wall

c/Makefile.am

@@ -0,0 +1,15 @@
+lib_LTLIBRARIES = libopendht-c.la
+noinst_HEADERS = opendht_c.h
+
+AM_CPPFLAGS = -DOPENDHT_C_BUILD -isystem @top_srcdir@/include @JsonCpp_CFLAGS@ @MsgPack_CFLAGS@
+if OPENDHT_SHARED
+AM_CPPFLAGS += -Dopendht_c_EXPORTS
+endif
+
+libopendht_c_la_LIBADD = $(LIBOBJS) ../src/.libs/libopendht.la
+
+libopendht_c_la_SOURCES  = \
+        opendht.cpp
+
+nobase_include_HEADERS = \
+        opendht_c.h

c/opendht.cpp

@@ -1,5 +1,25 @@
+/*
+ *  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/>.
+ */
+
 #include "opendht_c.h"
-#include "opendht.h"
+
+#include <opendht.h>
+#include <opendht/log.h>
 
 using ValueSp = std::shared_ptr<dht::Value>;
 using PrivkeySp = std::shared_ptr<dht::crypto::PrivateKey>;
@@ -10,6 +30,13 @@ using CertSp = std::shared_ptr<dht::crypto::Certificate>;
 extern "C" {
 #endif
 
+#include <errno.h>
+
+const char* dht_version()
+{
+    return dht::version();
+}
+
 // dht::InfoHash
 
 inline dht_infohash dht_infohash_to_c(const dht::InfoHash& h) {
@@ -49,7 +76,11 @@ bool dht_infohash_is_zero(const dht_infohash* h) {
 }
 
 void dht_infohash_from_hex(dht_infohash* h, const char* dat) {
-    *h = dht_infohash_to_c(dht::InfoHash(std::string(dat, HASH_LEN*2)));
+    *h = dht_infohash_to_c(dht::InfoHash(std::string_view(dat, HASH_LEN*2)));
+}
+
+void dht_infohash_from_hex_null(dht_infohash* h, const char* dat) {
+    *h = dht_infohash_to_c(dht::InfoHash(std::string_view(dat)));
 }
 
 const char* dht_pkid_print(const dht_pkid* h) {
@@ -97,10 +128,20 @@ const char* dht_value_get_user_type(const dht_value* data) {
     return vsp->user_type.c_str();
 }
 
+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_new(const uint8_t* data, size_t size) {
     return reinterpret_cast<dht_value*>(new ValueSp(std::make_shared<dht::Value>(data, size)));
 }
 
+dht_value* dht_value_new_from_string(const char* str) {
+    ValueSp value = std::make_shared<dht::Value>((const uint8_t*)str, strlen(str));
+    value->user_type = "text/plain";
+    return reinterpret_cast<dht_value*>(new ValueSp(std::move(value)));
+}
+
 dht_value* dht_value_ref(const dht_value* v) {
     return reinterpret_cast<dht_value*>(new ValueSp(*reinterpret_cast<const ValueSp*>(v)));
 }
@@ -144,9 +185,13 @@ bool dht_publickey_check_signature(const dht_publickey* pk, const char* data, si
 
 dht_blob* dht_publickey_encrypt(const dht_publickey* pk, const char* data, size_t data_size) {
     const auto& pkey = *reinterpret_cast<const PubkeySp*>(pk);
-    auto rdata = new dht::Blob;
-    *rdata = pkey->encrypt((const uint8_t*)data, data_size);
-    return (dht_blob*)rdata;
+    try {
+        auto rdata = std::make_unique<dht::Blob>();
+        *rdata = pkey->encrypt((const uint8_t*)data, data_size);
+        return (dht_blob*)rdata.release();
+    } catch (...) {
+        return nullptr;
+    }
 }
 
 // dht::crypto::PrivateKey
@@ -173,7 +218,18 @@ int dht_privatekey_export(const dht_privatekey* k, char* out, size_t* out_size,
 
 dht_publickey* dht_privatekey_get_publickey(const dht_privatekey* k) {
     const auto& key = *reinterpret_cast<const PrivkeySp*>(k);
-    return reinterpret_cast<dht_publickey*>(new PubkeySp(std::make_shared<dht::crypto::PublicKey>(key->getPublicKey())));
+    return reinterpret_cast<dht_publickey*>(new PubkeySp(key->getSharedPublicKey()));
+}
+
+dht_blob* dht_privatekey_decrypt(const dht_privatekey* k, const char* data, size_t data_size) {
+    const auto& key = *reinterpret_cast<const PrivkeySp*>(k);
+    try {
+        auto rdata = std::make_unique<dht::Blob>();
+        *rdata = key->decrypt((const uint8_t*)data, data_size);
+        return (dht_blob*)rdata.release();
+    } catch (...) {
+        return nullptr;
+    }
 }
 
 void dht_privatekey_delete(dht_privatekey* pk) {
@@ -247,7 +303,7 @@ void dht_runner_config_default(dht_runner_config* config) {
 }
 
 // dht::DhtRunner
-dht_runner* dht_runner_new() {
+dht_runner* dht_runner_new(void) {
     return reinterpret_cast<dht_runner*>(new dht::DhtRunner);
 }
 
@@ -255,39 +311,62 @@ void dht_runner_delete(dht_runner* runner) {
     delete reinterpret_cast<dht::DhtRunner*>(runner);
 }
 
-void dht_runner_run(dht_runner* r, in_port_t port) {
+int dht_runner_run(dht_runner* r, in_port_t port) {
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
-    runner->run(port, {}, true);
+    try {
+        runner->run(port, {}, true);
+    } catch(...) {
+        return ENOTCONN;
+    }
+    return 0;
 }
 
-void dht_runner_run_config(dht_runner* r, in_port_t port, const dht_runner_config* conf) {
+int dht_runner_run_config(dht_runner* r, in_port_t port, const dht_runner_config* conf) {
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
-    dht::DhtRunner::Config config;
-    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{};
+    try {
+        dht::DhtRunner::Config config;
+        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{};
 
-    if (conf->dht_config.id.privatekey)
-        config.dht_config.id.first = *reinterpret_cast<const PrivkeySp*>(conf->dht_config.id.privatekey);
+        if (conf->dht_config.id.privatekey)
+            config.dht_config.id.first = *reinterpret_cast<const PrivkeySp*>(conf->dht_config.id.privatekey);
 
-    if (conf->dht_config.id.certificate)
-        config.dht_config.id.second = *reinterpret_cast<const CertSp*>(conf->dht_config.id.certificate);
+        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.peer_discovery = conf->peer_discovery;
-    config.peer_publish = conf->peer_publish;
-    runner->run(port, config);
+        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;
+
+        dht::DhtRunner::Context context;
+        if (conf->log) {
+            context.logger = dht::log::getStdLogger();
+        }
+        runner->run(port, config, std::move(context));
+    } catch(...) {
+        return ENOTCONN;
+    }
+    return 0;
 }
 
-void dht_runner_ping(dht_runner* r, struct sockaddr* addr, socklen_t addr_len) {
+void dht_runner_ping(dht_runner* r, struct sockaddr* addr, socklen_t addr_len, dht_done_cb done_cb, void* cb_user_data) {
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
-    runner->bootstrap(dht::SockAddr(addr, addr_len));
+    if (done_cb) {
+        runner->bootstrap(dht::SockAddr(addr, addr_len), [done_cb, cb_user_data](bool ok){
+            done_cb(ok, cb_user_data);
+        });
+    } else {
+        runner->bootstrap(dht::SockAddr(addr, addr_len));
+    }
 }
 
 void dht_runner_bootstrap(dht_runner* r, const char* host, const char* service) {
@@ -326,8 +405,11 @@ dht_op_token* dht_runner_listen(dht_runner* r, const dht_infohash* h, dht_value_
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
     auto hash = reinterpret_cast<const dht::InfoHash*>(h);
     auto fret = new std::future<size_t>;
-    auto guard = done_cb ? std::make_shared<ScopeGuardCb>(done_cb, cb_user_data) : std::shared_ptr<ScopeGuardCb>{};
-    *fret = runner->listen(*hash, [cb,cb_user_data, guard](const std::vector<std::shared_ptr<dht::Value>>& values, bool expired) {
+    *fret = runner->listen(*hash, [
+        cb,
+        cb_user_data,
+        guard = done_cb ? std::make_shared<ScopeGuardCb>(done_cb, cb_user_data) : std::shared_ptr<ScopeGuardCb>{}
+    ](const std::vector<std::shared_ptr<dht::Value>>& values, bool expired) {
         for (const auto& value : values) {
             if (not cb(reinterpret_cast<const dht_value*>(&value), expired, cb_user_data))
                 return false;
@@ -393,6 +475,17 @@ void dht_runner_shutdown(dht_runner* r, dht_shutdown_cb done_cb, void* cb_user_d
     });
 }
 
+bool dht_runner_is_running(const dht_runner* r) {
+    if (not r) return false;
+    auto runner = reinterpret_cast<const dht::DhtRunner*>(r);
+    return runner->isRunning();
+}
+
+in_port_t dht_runner_get_bound_port(const dht_runner* r, sa_family_t af) {
+    auto runner = reinterpret_cast<const dht::DhtRunner*>(r);
+    return runner->getBoundPort(af);
+}
+
 dht_infohash dht_runner_get_node_id(const dht_runner* r) {
     auto runner = reinterpret_cast<const dht::DhtRunner*>(r);
     dht_infohash ret;
@@ -413,14 +506,8 @@ struct sockaddr** dht_runner_get_public_address(const dht_runner* r) {
     if (addrs.empty())
         return nullptr;
     auto ret = (struct sockaddr**)malloc(sizeof(struct sockaddr*) * (addrs.size() + 1));
-    for (size_t i=0; i<addrs.size(); i++) {
-        if (auto len = addrs[i].getLength()) {
-            ret[i] = (struct sockaddr*)malloc(len);
-            memcpy((struct sockaddr*)ret[i], addrs[i].get(), len);
-        } else {
-            ret[i] = nullptr;
-        }
-    }
+    for (size_t i=0; i<addrs.size(); i++)
+        ret[i] = addrs[i].release();
     ret[addrs.size()] = nullptr;
     return ret;
 }

c/opendht_c.h

@@ -1,10 +1,28 @@
+/*
+ *  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 __cplusplus
 extern "C" {
 #endif
 
-#include "def.h"
+#include <opendht/def.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <stdbool.h>
@@ -18,6 +36,8 @@ struct OPENDHT_C_PUBLIC dht_data_view {
 };
 typedef struct dht_data_view dht_data_view;
 
+OPENDHT_C_PUBLIC const char* dht_version(void);
+
 // dht::Blob
 struct OPENDHT_C_PUBLIC dht_blob;
 typedef struct dht_blob dht_blob;
@@ -30,6 +50,7 @@ typedef struct dht_infohash dht_infohash;
 OPENDHT_C_PUBLIC void dht_infohash_zero(dht_infohash* h);
 OPENDHT_C_PUBLIC void dht_infohash_random(dht_infohash* h);
 OPENDHT_C_PUBLIC void dht_infohash_from_hex(dht_infohash* h, const char* dat);
+OPENDHT_C_PUBLIC void dht_infohash_from_hex_null(dht_infohash* h, const char* dat);
 OPENDHT_C_PUBLIC void dht_infohash_get(dht_infohash* h, const uint8_t* dat, size_t dat_size);
 OPENDHT_C_PUBLIC void dht_infohash_get_from_string(dht_infohash* h, const char* str);
 OPENDHT_C_PUBLIC const char* dht_infohash_print(const dht_infohash* h);
@@ -58,6 +79,7 @@ OPENDHT_C_PUBLIC dht_privatekey* dht_privatekey_generate(unsigned key_length_bit
 OPENDHT_C_PUBLIC dht_privatekey* dht_privatekey_import(const uint8_t* dat, size_t dat_size, const char* password);
 OPENDHT_C_PUBLIC int dht_privatekey_export(const dht_privatekey*, char* out, size_t* out_size, const char* password);
 OPENDHT_C_PUBLIC dht_publickey* dht_privatekey_get_publickey(const dht_privatekey*);
+OPENDHT_C_PUBLIC dht_blob* dht_privatekey_decrypt(const dht_privatekey*, const char* data, size_t data_size);
 OPENDHT_C_PUBLIC void dht_privatekey_delete(dht_privatekey*);
 
 // dht::crypto::Certificate
@@ -82,6 +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_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*);
 OPENDHT_C_PUBLIC dht_data_view dht_value_get_data(const dht_value* data);
@@ -89,6 +112,7 @@ OPENDHT_C_PUBLIC dht_value_id dht_value_get_id(const dht_value* data);
 OPENDHT_C_PUBLIC dht_publickey* dht_value_get_owner(const dht_value* data);
 OPENDHT_C_PUBLIC dht_infohash dht_value_get_recipient(const dht_value* data);
 OPENDHT_C_PUBLIC const char* dht_value_get_user_type(const dht_value* data);
+OPENDHT_C_PUBLIC void dht_value_set_user_type(dht_value* data, const char* user_type);
 
 // callbacks
 typedef bool (*dht_get_cb)(const dht_value* value, void* user_data);
@@ -122,10 +146,13 @@ struct OPENDHT_PUBLIC dht_runner_config {
     const char* proxy_server;
     const char* push_node_id;
     const char* push_token;
+    const char* push_topic;
+    const char* push_platform;
     bool peer_discovery;
     bool peer_publish;
     dht_certificate* server_ca;
     dht_identity client_identity;
+    bool log;
 };
 typedef struct dht_runner_config dht_runner_config;
 OPENDHT_C_PUBLIC void dht_runner_config_default(dht_runner_config* config);
@@ -133,11 +160,13 @@ OPENDHT_C_PUBLIC void dht_runner_config_default(dht_runner_config* config);
 // dht::DhtRunner
 struct OPENDHT_C_PUBLIC dht_runner;
 typedef struct dht_runner dht_runner;
-OPENDHT_C_PUBLIC dht_runner* dht_runner_new();
+OPENDHT_C_PUBLIC dht_runner* dht_runner_new(void);
 OPENDHT_C_PUBLIC void dht_runner_delete(dht_runner* runner);
-OPENDHT_C_PUBLIC void dht_runner_run(dht_runner* runner, in_port_t port);
-OPENDHT_C_PUBLIC void dht_runner_run_config(dht_runner* runner, in_port_t port, const dht_runner_config* config);
-OPENDHT_C_PUBLIC void dht_runner_ping(dht_runner* runner, struct sockaddr* addr, socklen_t addr_len);
+/* Returns 0 on success, standard error code on failure */
+OPENDHT_C_PUBLIC int dht_runner_run(dht_runner* runner, in_port_t port);
+/* Returns 0 on success, standard error code on failure */
+OPENDHT_C_PUBLIC int dht_runner_run_config(dht_runner* runner, in_port_t port, const dht_runner_config* config);
+OPENDHT_C_PUBLIC void dht_runner_ping(dht_runner* runner, struct sockaddr* addr, socklen_t addr_len, dht_done_cb done_cb, void* cb_user_data);
 OPENDHT_C_PUBLIC void dht_runner_bootstrap(dht_runner* runner, const char* host, const char* service);
 OPENDHT_C_PUBLIC void dht_runner_get(dht_runner* runner, const dht_infohash* hash, dht_get_cb cb, dht_done_cb done_cb, void* cb_user_data);
 OPENDHT_C_PUBLIC dht_op_token* dht_runner_listen(dht_runner* runner, const dht_infohash* hash, dht_value_cb cb, dht_shutdown_cb done_cb, void* cb_user_data);
@@ -149,6 +178,9 @@ OPENDHT_C_PUBLIC void dht_runner_cancel_put(dht_runner* runner, const dht_infoha
 OPENDHT_C_PUBLIC void dht_runner_shutdown(dht_runner* runner, dht_shutdown_cb done_cb, void* cb_user_data);
 OPENDHT_C_PUBLIC dht_infohash dht_runner_get_node_id(const dht_runner* runner);
 OPENDHT_C_PUBLIC dht_infohash dht_runner_get_id(const dht_runner* runner);
+OPENDHT_C_PUBLIC bool dht_runner_is_running(const dht_runner* runner);
+OPENDHT_C_PUBLIC in_port_t dht_runner_get_bound_port(const dht_runner* runner, sa_family_t af);
+/** Returns null-terminated array that must be freed after use as well as each element */
 OPENDHT_C_PUBLIC struct sockaddr** dht_runner_get_public_address(const dht_runner* runner);
 
 #ifdef __cplusplus

cmake/CheckAtomic.cmake

@@ -0,0 +1,103 @@
+# atomic builtins are required for threading support.
+
+INCLUDE(CheckCXXSourceCompiles)
+INCLUDE(CheckLibraryExists)
+INCLUDE("${CMAKE_CURRENT_LIST_DIR}/DetermineGCCCompatible.cmake")
+
+# Sometimes linking against libatomic is required for atomic ops, if
+# the platform doesn't support lock-free atomics.
+
+function(check_working_cxx_atomics varname)
+  set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -std=c++11")
+  CHECK_CXX_SOURCE_COMPILES("
+#include <atomic>
+std::atomic<int> x;
+std::atomic<short> y;
+std::atomic<char> z;
+int main() {
+  ++z;
+  ++y;
+  return ++x;
+}
+" ${varname})
+  set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
+endfunction(check_working_cxx_atomics)
+
+function(check_working_cxx_atomics64 varname)
+  set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+  set(CMAKE_REQUIRED_FLAGS "-std=c++11 ${CMAKE_REQUIRED_FLAGS}")
+  CHECK_CXX_SOURCE_COMPILES("
+#include <atomic>
+#include <cstdint>
+std::atomic<uint64_t> x (0);
+int main() {
+  uint64_t i = x.load(std::memory_order_relaxed);
+  (void)i;
+  return 0;
+}
+" ${varname})
+  set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
+endfunction(check_working_cxx_atomics64)
+
+
+# Check for (non-64-bit) atomic operations.
+if(MSVC)
+  set(HAVE_CXX_ATOMICS_WITHOUT_LIB True)
+elseif(LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL")
+  # First check if atomics work without the library.
+  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!")
+    endif()
+  endif()
+endif()
+
+# Check for 64 bit atomic operations.
+if(MSVC)
+  set(HAVE_CXX_ATOMICS64_WITHOUT_LIB True)
+elseif(LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL")
+  # First check if atomics work without the library.
+  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!")
+    endif()
+  endif()
+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.
+CHECK_CXX_SOURCE_COMPILES("
+#ifdef _MSC_VER
+#include <windows.h>
+#endif
+int main() {
+#ifdef _MSC_VER
+        volatile LONG val = 1;
+        MemoryBarrier();
+        InterlockedCompareExchange(&val, 0, 1);
+        InterlockedIncrement(&val);
+        InterlockedDecrement(&val);
+#else
+        volatile unsigned long val = 1;
+        __sync_synchronize();
+        __sync_val_compare_and_swap(&val, 1, 0);
+        __sync_add_and_fetch(&val, 1);
+        __sync_sub_and_fetch(&val, 1);
+#endif
+        return 0;
+      }
+" LLVM_HAS_ATOMICS)
+
+if( NOT LLVM_HAS_ATOMICS )
+  message(STATUS "Warning: LLVM will be built thread-unsafe because atomic builtins are missing")
+endif()

cmake/DetermineGCCCompatible.cmake

@@ -0,0 +1,13 @@
+# Determine if the compiler has GCC-compatible command-line syntax.
+
+if(NOT DEFINED LLVM_COMPILER_IS_GCC_COMPATIBLE)
+  if(CMAKE_COMPILER_IS_GNUCXX)
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
+  elseif( MSVC )
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE OFF)
+  elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
+  elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel" )
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
+  endif()
+endif()

cmake/FindMsgpack.cmake

@@ -1,64 +0,0 @@
-# - Try to find msgpack
-# Once done this will define
-#  MSGPACK_FOUND - System has msgpack
-#  MSGPACK_INCLUDE_DIRS - The msgpack include directories
-#  MSGPACK_LIBRARIES - The libraries needed to use msgpack
-
-if(NOT MSGPACK_USE_BUNDLED)
-  find_package(PkgConfig)
-  if (PKG_CONFIG_FOUND)
-    pkg_search_module(PC_MSGPACK QUIET
-      msgpackc>=${Msgpack_FIND_VERSION}
-      msgpack>=${Msgpack_FIND_VERSION})
-  endif()
-else()
-  set(PC_MSGPACK_INCLUDEDIR)
-  set(PC_MSGPACK_INCLUDE_DIRS)
-  set(PC_MSGPACK_LIBDIR)
-  set(PC_MSGPACK_LIBRARY_DIRS)
-  set(LIMIT_SEARCH NO_DEFAULT_PATH)
-endif()
-
-set(MSGPACK_DEFINITIONS ${PC_MSGPACK_CFLAGS_OTHER})
-
-find_path(MSGPACK_INCLUDE_DIR msgpack/version_master.h
-  HINTS ${PC_MSGPACK_INCLUDEDIR} ${PC_MSGPACK_INCLUDE_DIRS}
-  ${LIMIT_SEARCH})
-
-if(MSGPACK_INCLUDE_DIR)
-  file(READ ${MSGPACK_INCLUDE_DIR}/msgpack/version_master.h msgpack_version_h)
-  string(REGEX REPLACE ".*MSGPACK_VERSION_MAJOR +([0-9]+).*" "\\1" MSGPACK_VERSION_MAJOR "${msgpack_version_h}")
-  string(REGEX REPLACE ".*MSGPACK_VERSION_MINOR +([0-9]+).*" "\\1" MSGPACK_VERSION_MINOR "${msgpack_version_h}")
-  string(REGEX REPLACE ".*MSGPACK_VERSION_REVISION +([0-9]+).*" "\\1" MSGPACK_VERSION_REVISION "${msgpack_version_h}")
-  set(MSGPACK_VERSION_STRING "${MSGPACK_VERSION_MAJOR}.${MSGPACK_VERSION_MINOR}.${MSGPACK_VERSION_REVISION}")
-else()
-  set(MSGPACK_VERSION_STRING)
-endif()
-
-# If we're asked to use static linkage, add libmsgpack{,c}.a as a preferred library name.
-if(MSGPACK_USE_STATIC)
-  list(APPEND MSGPACK_NAMES
-    "${CMAKE_STATIC_LIBRARY_PREFIX}msgpackc${CMAKE_STATIC_LIBRARY_SUFFIX}"
-    "${CMAKE_STATIC_LIBRARY_PREFIX}msgpack${CMAKE_STATIC_LIBRARY_SUFFIX}")
-endif()
-
-list(APPEND MSGPACK_NAMES msgpackc msgpack)
-
-find_library(MSGPACK_LIBRARY NAMES ${MSGPACK_NAMES}
-  # Check each directory for all names to avoid using headers/libraries from
-  # different places.
-  NAMES_PER_DIR
-  HINTS ${PC_MSGPACK_LIBDIR} ${PC_MSGPACK_LIBRARY_DIRS}
-  ${LIMIT_SEARCH})
-
-mark_as_advanced(MSGPACK_INCLUDE_DIR MSGPACK_LIBRARY)
-
-set(MSGPACK_LIBRARIES ${MSGPACK_LIBRARY})
-set(MSGPACK_INCLUDE_DIRS ${MSGPACK_INCLUDE_DIR})
-
-include(FindPackageHandleStandardArgs)
-# handle the QUIETLY and REQUIRED arguments and set MSGPACK_FOUND to TRUE
-# if all listed variables are TRUE
-find_package_handle_standard_args(Msgpack
-  REQUIRED_VARS MSGPACK_LIBRARY MSGPACK_INCLUDE_DIR
-  VERSION_VAR MSGPACK_VERSION_STRING)

configure.ac

@@ -1,7 +1,7 @@
 dnl define macros
 m4_define([opendht_major_version], 2)
-m4_define([opendht_minor_version], 1)
-m4_define([opendht_patch_version], 6)
+m4_define([opendht_minor_version], 4)
+m4_define([opendht_patch_version], 12)
 m4_define([opendht_version],
 		  [opendht_major_version.opendht_minor_version.opendht_patch_version])
 
@@ -18,18 +18,33 @@ AC_SUBST(OPENDHT_PATCH_VERSION, opendht_patch_version)
 
 AC_ARG_ENABLE([debug], AS_HELP_STRING([--enable-debug], [Build in debug mode, adds stricter warnings, disables optimization]))
 AS_IF([test "x$enable_debug" = "xyes"],
-      [CXXFLAGS="${CXXFLAGS} -g -Wno-return-type -Wall -Wextra -Wnon-virtual-dtor -O0 -pedantic-errors"],
-      [CXXFLAGS="${CXXFLAGS} -O3 -pedantic-errors"])
+      [CXXFLAGS="${CXXFLAGS} -g -Og -Wno-return-type -Wall -Wextra -Wnon-virtual-dtor -Wno-deprecated -pedantic-errors"],
+      [CXXFLAGS="${CXXFLAGS} -O3 -Wno-deprecated -pedantic-errors -fvisibility=hidden"])
+
+CPPFLAGS+=" -DOPENDHT_BUILD"
+AM_CONDITIONAL([OPENDHT_SHARED], [test "x$enable_shared" != xno])
+AM_COND_IF(OPENDHT_SHARED, [
+  CPPFLAGS+=" -Dopendht_EXPORTS"
+])
 
-AC_PROG_CXX
 AM_PROG_AR
+LT_INIT()
+LT_LANG(C++)
+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$enable_logs" != "xno"], [
-	AC_DEFINE([OPENDHT_LOG], [true], [Define if DHT logs are enabled])
-], [
-	AC_DEFINE([OPENDHT_LOG], [false], [Define if DHT logs are enabled])
+AS_IF([test "x$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")
+AM_COND_IF(ENABLE_C, [
+	AC_DEFINE([OPENDHT_C], [], [Define if DHT C biding is enabled])
 ])
 
 dnl Check for indexation
@@ -99,11 +114,6 @@ AM_CONDITIONAL(WIN32, [test "x$SYS" = "xmingw32"])
 AS_IF([test "x$SYS" = "xandroid"],
       [], [LDFLAGS="${LDFLAGS} -lpthread"])
 
-LT_INIT()
-LT_LANG(C++)
-
-AX_CXX_COMPILE_STDCXX(14,[noext],[mandatory])
-
 PKG_PROG_PKG_CONFIG()
 
 AC_ARG_ENABLE([proxy_server], AS_HELP_STRING([--enable-proxy-server], [Enable proxy server ability]), proxy_server=yes, proxy_server=no)
@@ -122,8 +132,8 @@ AC_ARG_ENABLE([proxy_client], AS_HELP_STRING([--enable-proxy-client], [Enable pr
 AM_CONDITIONAL(ENABLE_PROXY_CLIENT, test x$proxy_client == xyes)
 
 AC_ARG_ENABLE([tests], AS_HELP_STRING([--enable-tests], [Enable tests]), build_tests=yes, build_tests=no)
-AM_CONDITIONAL(ENABLE_TESTS, test x$build_tests == xyes)
-AM_COND_IF([ENABLE_TESTS], [
+AM_CONDITIONAL(ENABLE_TESTS, test "x$build_tests" == xyes)
+AS_IF([test "x$build_tests" == xyes], [
 	PKG_CHECK_MODULES([CppUnit], [cppunit >= 1.12])
 ])
 
@@ -131,7 +141,11 @@ AM_CONDITIONAL(PROXY_CLIENT_OR_SERVER, test x$proxy_client == xyes || test x$pro
 
 PKG_CHECK_MODULES([Nettle], [nettle >= 2.4])
 PKG_CHECK_MODULES([GnuTLS], [gnutls >= 3.3])
-PKG_CHECK_MODULES([MsgPack], [msgpack >= 1.2])
+AC_CHECK_HEADERS([msgpack.hpp], [], [
+  PKG_CHECK_MODULES([MsgPack], [msgpack >= 1.2])
+])
+PKG_CHECK_MODULES([Argon2], [libargon2])
+AC_SUBST(argon2_lib, [", libargon2"])
 
 AC_ARG_WITH([jsoncpp], AS_HELP_STRING([--without-jsoncpp], [Build without JsonCpp support]))
 AS_IF([test "x$with_jsoncpp" != "xno"],
@@ -157,16 +171,8 @@ AS_IF([test "x$have_openssl" = "xyes"], [
     AC_MSG_NOTICE([Not using OpenSSL])
 ])
 
-AC_ARG_WITH([http_parser_fork], AS_HELP_STRING([--with-http-parser-fork], [Build with http_parser fork to support old API]))
-AS_IF([test "x$with_http_parser_fork" = "xyes"],[
-    AC_MSG_NOTICE([Using http_parser fork])
-    AC_DEFINE([OPENDHT_PROXY_HTTP_PARSER_FORK], [], [Define if using http parser fork])
-], [
-    AC_MSG_NOTICE([Not using http_parser fork])
-])
-
 AM_COND_IF([PROXY_CLIENT_OR_SERVER], [
-    AC_CHECK_HEADERS([asio.hpp], exit,, AC_MSG_ERROR([Missing Asio headers files]))
+    AC_CHECK_HEADERS([asio.hpp],, AC_MSG_ERROR([Missing Asio headers files]))
     CXXFLAGS="${CXXFLAGS} -DASIO_STANDALONE"
     PKG_CHECK_MODULES([Fmt], [fmt >= 5.3.0], [have_fmt=yes], [have_fmt=no])
     AS_IF([test "x$have_fmt" = "xyes"], [
@@ -181,28 +187,7 @@ AM_COND_IF([PROXY_CLIENT_OR_SERVER], [
     AS_IF([test "x$http_parser_headers" != "xyes"], AC_MSG_ERROR([Missing HttpParser headers files]))
 ])
 
-CXXFLAGS="${CXXFLAGS} -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT"
-
-dnl Check for Argon2
-AC_ARG_WITH([argon2], AS_HELP_STRING([--without-argon2], [Use included Argon2]))
-AS_IF([test "x$with_argon2" != "xno"],
-			[PKG_CHECK_MODULES([Argon2], [libargon2], [have_argon2=yes], [have_argon2=no])],
-			[have_argon2=no])
-AS_IF([test "x$have_argon2" = "xyes"], [
-  AC_MSG_NOTICE([Using system Argon2])
-  AC_SUBST(argon2_lib, [", libargon2"])
-], [
-		AS_IF([test "x$with_argon2" = "xyes"], [
-				AC_MSG_ERROR([Argon2 requested but not found])
-		],[
-				AC_MSG_NOTICE([Using included Argon2])
-				AC_SUBST(Argon2_CFLAGS, "-I\${top_srcdir}/argon2/src -I\${top_srcdir}/argon2/include")
-				AC_SUBST(Argon2_LIBS, "libargon2.la")
-				AC_SUBST(Argon2_LDFLAGS, "-L\${abs_top_srcdir}/argon2/src/.libs")
-		])
-])
-
-AM_CONDITIONAL([WITH_INCLUDED_ARGON2], [test "x$have_argon2" = "xno"])
+CXXFLAGS="${CXXFLAGS} -DMSGPACK_NO_BOOST -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT"
 
 AC_ARG_ENABLE([tools], AS_HELP_STRING([--disable-tools],[Disable tools (CLI DHT node)]),,build_tools=yes)
 AM_CONDITIONAL(ENABLE_TOOLS, test x$build_tools == xyes)
@@ -225,6 +210,7 @@ AC_SUBST(PROJECT_BINARY_DIR, "../src/.libs")
 
 AC_CONFIG_FILES([Makefile
                  src/Makefile
+                 c/Makefile
                  tools/Makefile
                  python/Makefile
                  python/setup.py

docker/Dockerfile

@@ -1,6 +1,17 @@
-FROM aberaud/opendht-deps
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+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 \
-	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=On -DOPENDHT_LTO=On -DOPENDHT_PROXY_SERVER=On -DOPENDHT_PROXY_CLIENT=On && make -j8 && make install \
+	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
+				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
+				-DOPENDHT_C=On \
+				-DOPENDHT_PEER_DISCOVERY=On \
+				-DOPENDHT_PYTHON=On \
+				-DOPENDHT_TOOLS=On \
+				-DOPENDHT_PROXY_SERVER=On \
+				-DOPENDHT_PROXY_CLIENT=On \
+				-DOPENDHT_SYSTEMD=On \
+	&& make -j8 && make install \
 	&& cd ../.. && rm -rf opendht

docker/DockerfileBionic

@@ -1,13 +1,16 @@
-FROM docker.pkg.github.com/savoirfairelinux/opendht/opendht-deps-bionic:2.1.3
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+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 \
 	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
-		-DOPENDHT_PROXY_CLIENT=On \
-		-DOPENDHT_PROXY_SERVER=On \
-		-DOPENDHT_C=On \
-		-DOPENDHT_PYTHON=On \
-		-DOPENDHT_LTO=On \
-		&& make -j8 && make install \
+				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
+				-DOPENDHT_C=On \
+				-DOPENDHT_PEER_DISCOVERY=On \
+				-DOPENDHT_PYTHON=On \
+				-DOPENDHT_TOOLS=On \
+				-DOPENDHT_PROXY_SERVER=On \
+				-DOPENDHT_PROXY_CLIENT=On \
+	&& make -j8 && make install \
 	&& cd ../.. && rm -rf opendht

docker/DockerfileDeps

@@ -1,5 +1,6 @@
-FROM ubuntu:20.04
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+FROM ubuntu:22.04
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
 
 RUN apt-get update && apt-get install -y \
         dialog apt-utils \
@@ -8,18 +9,18 @@ RUN apt-get update && apt-get install -y \
 
 RUN apt-get update && apt-get install -y \
         build-essential pkg-config cmake git wget \
-        autotools-dev autoconf \
-        cython3 python3-dev python3-setuptools \
+        libtool autotools-dev autoconf \
+        cython3 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 \
-    && apt-get clean
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
 
 RUN echo "*** Downloading RESTinio ***" \
     && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/2c0b6f5e5ba04d7a74e8406a3df1fd433680599d.tar.gz \
-    && ls -l && tar -xzf 2c0b6f5e5ba04d7a74e8406a3df1fd433680599d.tar.gz \
-    && cd restinio-2c0b6f5e5ba04d7a74e8406a3df1fd433680599d/dev \
+    && 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 . \

docker/DockerfileDepsBionic

@@ -1,14 +1,16 @@
 FROM ubuntu:18.04
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
 
 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 \
-        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libssl-dev \
-    && apt-get clean
+        libargon2-0-dev \
+        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libssl-dev python3-pip \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
 
-RUN apt-get update && apt-get install -y python3-pip && pip3 install --upgrade cmake
+RUN pip3 install --upgrade cmake
 
 # libasio-dev (1.10) is too old
 RUN echo "** Building a recent version of asio ***" \

docker/DockerfileDepsFocal

@@ -0,0 +1,28 @@
+FROM ubuntu:20.04
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
+
+RUN apt-get update && apt-get install -y \
+        dialog apt-utils \
+    && apt-get clean \
+    && echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
+
+RUN apt-get update && apt-get install -y \
+        build-essential pkg-config cmake git wget \
+        libtool autotools-dev autoconf \
+        cython3 python3-dev python3-setuptools \
+        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 \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
+
+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

docker/DockerfileDepsLlvm

@@ -1,26 +1,30 @@
-FROM ubuntu:20.04
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+FROM ubuntu:22.04
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
+
 RUN apt-get update && apt-get install -y \
         dialog apt-utils \
     && apt-get clean \
     && echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
 
 RUN apt-get update \
-    && apt-get install -y llvm llvm-dev clang make cmake pkg-config git wget libncurses5-dev libreadline-dev \
+    && apt-get install -y llvm llvm-dev lldb clang gdb make cmake pkg-config \
+       libtool git wget libncurses5-dev libreadline-dev \
        nettle-dev libgnutls28-dev libuv1-dev libmsgpack-dev libjsoncpp-dev cython3 python3-dev \
-       python3-setuptools libcppunit-dev python3-pip \
+       python3-setuptools libcppunit-dev python3-pip python3-build python3-virtualenv \
        autotools-dev autoconf libssl-dev libargon2-dev \
        libfmt-dev libhttp-parser-dev libasio-dev \
-    && apt-get remove -y gcc g++ && apt-get autoremove -y && apt-get clean
+    && apt-get remove -y gcc g++ && apt-get autoremove -y \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
 
 ENV CC cc
 ENV CXX c++
 
 RUN echo "*** Downloading RESTinio ***" \
     && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/2c0b6f5e5ba04d7a74e8406a3df1fd433680599d.tar.gz \
-    && ls -l && tar -xzf 2c0b6f5e5ba04d7a74e8406a3df1fd433680599d.tar.gz \
-    && cd restinio-2c0b6f5e5ba04d7a74e8406a3df1fd433680599d/dev \
+    && 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 . \

docker/DockerfileDhtnode

@@ -0,0 +1,4 @@
+FROM ghcr.io/savoirfairelinux/opendht/opendht:latest
+CMD ["dhtnode", "-b", "bootstrap.jami.net", "-p", "4222", "--proxyserver", "8080"]
+EXPOSE 4222/udp
+EXPOSE 8080/tcp

docker/DockerfileFocal

@@ -0,0 +1,16 @@
+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 \
+	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
+				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
+				-DOPENDHT_C=On \
+				-DOPENDHT_PEER_DISCOVERY=On \
+				-DOPENDHT_PYTHON=On \
+				-DOPENDHT_TOOLS=On \
+				-DOPENDHT_PROXY_SERVER=On \
+				-DOPENDHT_PROXY_CLIENT=On \
+	&& make -j8 && make install \
+	&& cd ../.. && rm -rf opendht

docker/DockerfileLlvm

@@ -1,6 +1,17 @@
-FROM aberaud/opendht-deps-llvm
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+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 \
-	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=On -DOPENDHT_LTO=On -DOPENDHT_PROXY_SERVER=On -DOPENDHT_PROXY_CLIENT=On && make -j8 && make install \
+	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
+				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
+				-DOPENDHT_C=On \
+				-DOPENDHT_PEER_DISCOVERY=On \
+				-DOPENDHT_PYTHON=On \
+				-DOPENDHT_TOOLS=On \
+				-DOPENDHT_PROXY_SERVER=On \
+				-DOPENDHT_PROXY_CLIENT=On \
+				-DOPENDHT_SYSTEMD=On \
+	&& make -j8 && make install \
 	&& cd ../.. && rm -rf opendht

docker/DockerfileTravis

@@ -1,9 +0,0 @@
-FROM aberaud/opendht-deps-bionic
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
-
-RUN apt-get update && apt-get install -y python3-pip && pip3 install --upgrade cmake
-
-COPY . /root/opendht
-RUN cd /root/opendht && mkdir build && cd build \
-	&& cmake -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=On -DOPENDHT_C=On -DOPENDHT_LTO=On -DOPENDHT_TESTS=ON ..  \
-	&& make -j8 && ./opendht_unit_tests && make install

docker/DockerfileTravisLlvm

@@ -1,7 +0,0 @@
-FROM aberaud/opendht-deps-llvm
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
-
-COPY . /root/opendht
-RUN cd /root/opendht && mkdir build && cd build \
-	&& cmake -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=On -DOPENDHT_C=On -DOPENDHT_TESTS=ON .. \
-	&& make -j8 && ./opendht_unit_tests && make install

docker/DockerfileTravisProxy

@@ -1,4 +0,0 @@
-FROM aberaud/opendht-deps
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
-
-COPY . /root/opendht

include/opendht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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

include/opendht/callbacks.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -82,6 +82,8 @@ struct OPENDHT_PUBLIC NodeInfo {
     NodeStats ipv4 {};
     NodeStats ipv6 {};
     size_t ongoing_ops {0};
+    size_t storage_values {0};
+    size_t storage_size {0};
     in_port_t bound4 {0};
     in_port_t bound6 {0};
 
@@ -132,7 +134,10 @@ struct OPENDHT_PUBLIC Config {
     /* If non-0, overrides the default maximum store size. -1 means no limit.  */
     ssize_t max_store_size {0};
 
-    /** 
+    /* If non-0, overrides the default maximum store key count. -1 means no limit.  */
+    ssize_t max_store_keys {0};
+
+    /**
      * Use appropriate bahavior for a public IP, stable node:
      *   - No connectivity change triggered when a search fails
      *   - Larger listen refresh time
@@ -148,7 +153,7 @@ struct OPENDHT_PUBLIC SecureDhtConfig
     Config node_config {};
     crypto::Identity id {};
 
-    /** 
+    /**
      * Cache all encountered public keys and certificates,
      * for use by the certificate store, putEncrypted and putSigned
      */
@@ -164,6 +169,7 @@ using GetCallback = std::function<bool(const std::vector<std::shared_ptr<Value>>
 using ValueCallback = std::function<bool(const std::vector<std::shared_ptr<Value>>& values, bool expired)>;
 using GetCallbackSimple = std::function<bool(std::shared_ptr<Value> value)>;
 using ShutdownCallback = std::function<void()>;
+using IdentityAnnouncedCb = std::function<void(bool)>;
 
 using CertificateStoreQuery = std::function<std::vector<std::shared_ptr<crypto::Certificate>>(const InfoHash& pk_id)>;
 
@@ -178,13 +184,13 @@ typedef bool (*FilterRaw)(const Value&, void *user_data);
 
 using DoneCallbackSimple = std::function<void(bool success)>;
 
-OPENDHT_PUBLIC GetCallbackSimple bindGetCb(const GetCallbackRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC GetCallback bindGetCb(const GetCallbackSimple& cb);
-OPENDHT_PUBLIC ValueCallback bindValueCb(const ValueCallbackRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC ShutdownCallback bindShutdownCb(const ShutdownCallbackRaw& shutdown_cb_raw, void* user_data);
+OPENDHT_PUBLIC GetCallbackSimple bindGetCb(GetCallbackRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC GetCallback bindGetCb(GetCallbackSimple cb);
+OPENDHT_PUBLIC ValueCallback bindValueCb(ValueCallbackRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC ShutdownCallback bindShutdownCb(ShutdownCallbackRaw shutdown_cb_raw, void* user_data);
 OPENDHT_PUBLIC DoneCallback bindDoneCb(DoneCallbackSimple donecb);
-OPENDHT_PUBLIC DoneCallback bindDoneCb(const DoneCallbackRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC DoneCallbackSimple bindDoneCbSimple(const DoneCallbackSimpleRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC Value::Filter bindFilterRaw(const FilterRaw& raw_filter, void* user_data);
+OPENDHT_PUBLIC DoneCallback bindDoneCb(DoneCallbackRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC DoneCallbackSimple bindDoneCbSimple(DoneCallbackSimpleRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC Value::Filter bindFilterRaw(FilterRaw raw_filter, void* user_data);
 
 }

include/opendht/crypto.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
  *
@@ -32,6 +32,9 @@ extern "C" {
 
 #include <vector>
 #include <memory>
+#include <atomic>
+#include <mutex>
+#include <string_view>
 
 #ifdef _WIN32
 #include <iso646.h>
@@ -80,14 +83,17 @@ struct OPENDHT_PUBLIC PublicKey
      * Takes ownership of an existing gnutls_pubkey.
      */
     PublicKey(gnutls_pubkey_t k) : pk(k) {}
+
+    /** Import public key from serialized data */
     PublicKey(const uint8_t* dat, size_t dat_size);
     PublicKey(const Blob& pk) : PublicKey(pk.data(), pk.size()) {}
-    PublicKey(PublicKey&& o) noexcept : pk(o.pk) { o.pk = nullptr; };
+    PublicKey(std::string_view pk) : PublicKey((const uint8_t*)pk.data(), pk.size()) {}
+    PublicKey(PublicKey&& o) noexcept : pk(o.pk) { o.pk = nullptr; }
 
     ~PublicKey();
     explicit operator bool() const { return pk; }
     bool operator ==(const PublicKey& o) const {
-        return pk == o.pk || getId() == o.getId();
+        return pk == o.pk || getLongId() == o.getLongId();
     }
     bool operator !=(const PublicKey& o) const {
         return !(*this == o);
@@ -98,23 +104,25 @@ struct OPENDHT_PUBLIC PublicKey
     /**
      * Get public key fingerprint
      */
-    InfoHash getId() const;
+   const InfoHash& getId() const;
 
     /**
      * Get public key long fingerprint
      */
-    PkId getLongId() const;
+    const PkId& getLongId() const;
 
     bool checkSignature(const uint8_t* data, size_t data_len, const uint8_t* signature, size_t signature_len) const;
-    bool checkSignature(const Blob& data, const Blob& signature) const {
+    inline bool checkSignature(const Blob& data, const Blob& signature) const {
         return checkSignature(data.data(), data.size(), signature.data(), signature.size());
     }
 
     Blob encrypt(const uint8_t* data, size_t data_len) const;
-    Blob encrypt(const Blob& data) const {
+    inline Blob encrypt(const Blob& data) const {
         return encrypt(data.data(), data.size());
     }
-
+    inline Blob encrypt(std::string_view data) const {
+        return encrypt((const uint8_t*)data.data(), data.size());
+    }
     void pack(Blob& b) const;
     int pack(uint8_t* out, size_t* out_len) const;
     void unpack(const uint8_t* dat, size_t dat_size);
@@ -136,6 +144,11 @@ struct OPENDHT_PUBLIC PublicKey
 
     gnutls_pubkey_t pk {nullptr};
 private:
+    mutable InfoHash cachedId_ {};
+    mutable PkId cachedLongId_ {};
+    mutable std::atomic_bool idCached_ {false};
+    mutable std::atomic_bool longIdCached_ {false};
+
     PublicKey(const PublicKey&) = delete;
     PublicKey& operator=(const PublicKey&) = delete;
     void encryptBloc(const uint8_t* src, size_t src_size, uint8_t* dst, size_t dst_size) const;
@@ -158,11 +171,15 @@ struct OPENDHT_PUBLIC PrivateKey
     PrivateKey& operator=(PrivateKey&& o) noexcept;
 
     PrivateKey(const uint8_t* src, size_t src_size, const char* password = nullptr);
-    PrivateKey(const Blob& src, const std::string& password = {}) : PrivateKey(src.data(), src.size(), password.data()) {}
+    PrivateKey(const Blob& src, const std::string& password = {}) : PrivateKey(src.data(), src.size(), password.c_str()) {}
+    PrivateKey(std::string_view src, const std::string& password = {}) : PrivateKey((const uint8_t*)src.data(), src.size(), password.c_str()) {}
+
     ~PrivateKey();
     explicit operator bool() const { return key; }
 
-    PublicKey getPublicKey() const;
+    const PublicKey& getPublicKey() const;
+    const std::shared_ptr<PublicKey>& getSharedPublicKey() const;
+
     int serialize(uint8_t* out, size_t* out_len, const std::string& password = {}) const;
     Blob serialize(const std::string& password = {}) const;
 
@@ -170,14 +187,17 @@ struct OPENDHT_PUBLIC PrivateKey
      * Sign the provided binary object.
      * @returns the signature data.
      */
-    Blob sign(const Blob&) const;
+    Blob sign(const uint8_t* data, size_t data_len) const;
+    inline Blob sign(std::string_view dat) const { return sign((const uint8_t*)dat.data(), dat.size()); }
+    inline Blob sign(const Blob& dat) const { return sign(dat.data(), dat.size()); }
 
     /**
      * Try to decrypt the provided cypher text.
      * In case of failure a CryptoException is thrown.
      * @returns the decrypted data.
      */
-    Blob decrypt(const Blob& cypher) const;
+    Blob decrypt(const uint8_t* cypher, size_t cypher_len) const;
+    Blob decrypt(const Blob& cypher) const { return decrypt(cypher.data(), cypher.size()); }
 
     /**
      * Generate a new RSA key pair
@@ -195,7 +215,8 @@ private:
     PrivateKey& operator=(const PrivateKey&) = delete;
     Blob decryptBloc(const uint8_t* src, size_t src_size) const;
 
-    //friend dht::crypto::Identity dht::crypto::generateIdentity(const std::string&, dht::crypto::Identity, unsigned key_length);
+    mutable std::mutex publicKeyMutex_ {};
+    mutable std::shared_ptr<PublicKey> publicKey_ {};
 };
 
 class OPENDHT_PUBLIC RevocationList
@@ -280,6 +301,7 @@ class OPENDHT_PUBLIC CertificateRequest {
 public:
     CertificateRequest();
     CertificateRequest(const uint8_t* data, size_t size);
+    CertificateRequest(std::string_view src) : CertificateRequest((const uint8_t*)src.data(), src.size()) {}
     CertificateRequest(const Blob& data) : CertificateRequest(data.data(), data.size()) {}
 
     CertificateRequest(CertificateRequest&& o) noexcept : request(std::move(o.request)) {
@@ -310,10 +332,30 @@ private:
     gnutls_x509_crq_t request {nullptr};
 };
 
+class OPENDHT_PUBLIC OcspRequest
+{
+public:
+    OcspRequest(gnutls_ocsp_req_t r) : request(r) {}
+    OcspRequest(const uint8_t* dat_ptr, size_t dat_size);
+    OcspRequest(std::string_view dat): OcspRequest((const uint8_t*)dat.data(), dat.size()) {}
+    ~OcspRequest();
+
+    /*
+     * Get OCSP Request in readable format.
+     */
+    std::string toString(const bool compact = true) const;
+
+    Blob pack() const;
+    Blob getNonce() const;
+private:
+    gnutls_ocsp_req_t request;
+};
+
 class OPENDHT_PUBLIC OcspResponse
 {
 public:
     OcspResponse(const uint8_t* dat_ptr, size_t dat_size);
+    OcspResponse(std::string_view response) : OcspResponse((const uint8_t*)response.data(), response.size()) {}
     ~OcspResponse();
 
     Blob pack() const;
@@ -330,11 +372,11 @@ public:
     gnutls_ocsp_cert_status_t getCertificateStatus() const;
 
     /*
-     * Verify OCSP response.
-     * Return OCSP verify reason.
+     * Verify OCSP response and return OCSP status.
+     * Throws CryptoException in case of error in the response.
      * http://www.gnu.org/software/gnutls/reference/gnutls-ocsp.html#gnutls-ocsp-verify-reason-t
      */
-    gnutls_ocsp_verify_reason_t verifyDirect(const Certificate& crt, const Blob& nonce);
+    gnutls_ocsp_cert_status_t verifyDirect(const Certificate& crt, const Blob& nonce);
 
 private:
     gnutls_ocsp_resp_t response;
@@ -355,12 +397,10 @@ struct OPENDHT_PUBLIC Certificate {
      * ordered from subject to issuer
      */
     Certificate(const Blob& crt);
-    Certificate(const std::string& pem) : cert(nullptr) {
-        unpack((const uint8_t*)pem.data(), pem.size());
-    }
     Certificate(const uint8_t* dat, size_t dat_size) : cert(nullptr) {
         unpack(dat, dat_size);
     }
+    Certificate(std::string_view pem) : Certificate((const uint8_t*)pem.data(), pem.size()) {}
 
     /**
      * Import certificate chain (PEM or DER),
@@ -461,9 +501,9 @@ struct OPENDHT_PUBLIC Certificate {
     PublicKey getPublicKey() const;
 
     /** Same as getPublicKey().getId() */
-    InfoHash getId() const;
+    const InfoHash& getId() const;
     /** Same as getPublicKey().getLongId() */
-    PkId getLongId() const;
+    const PkId& getLongId() const;
 
     Blob getSerialNumber() const;
 
@@ -516,8 +556,8 @@ struct OPENDHT_PUBLIC Certificate {
     void addRevocationList(RevocationList&&);
     void addRevocationList(std::shared_ptr<RevocationList>);
 
-    static Certificate generate(const PrivateKey& key, const std::string& name = "dhtnode", const Identity& ca = {}, bool is_ca = false);
-    static Certificate generate(const CertificateRequest& request, const Identity& ca);
+    static Certificate generate(const PrivateKey& key, const std::string& name = "dhtnode", const Identity& ca = {}, bool is_ca = false, int64_t validity = 0);
+    static Certificate generate(const CertificateRequest& request, const Identity& ca, int64_t validity = 0);
 
     gnutls_x509_crt_t getCopy() const {
         if (not cert)
@@ -565,7 +605,13 @@ struct OPENDHT_PUBLIC Certificate {
      * Return GnuTLS error code.
      * https://www.gnutls.org/manual/html_node/Error-codes.html
      */
-    std::pair<Blob,Blob> generateOcspRequest(gnutls_x509_crt_t& issuer);
+    std::pair<std::string, Blob> generateOcspRequest(gnutls_x509_crt_t& issuer);
+
+    /**
+     * Change certificate's expiration
+     */
+    void setValidity(const Identity& ca, int64_t validity);
+    void setValidity(const PrivateKey& key, int64_t validity);
 
     gnutls_x509_crt_t cert {nullptr};
     std::shared_ptr<Certificate> issuer {};
@@ -573,6 +619,10 @@ struct OPENDHT_PUBLIC Certificate {
 private:
     Certificate(const Certificate&) = delete;
     Certificate& operator=(const Certificate&) = delete;
+    mutable InfoHash cachedId_ {};
+    mutable PkId cachedLongId_ {};
+    mutable std::atomic_bool idCached_ {false};
+    mutable std::atomic_bool longIdCached_ {false};
 
     struct crlNumberCmp {
         bool operator() (const std::shared_ptr<RevocationList>& lhs, const std::shared_ptr<RevocationList>& rhs) const {
@@ -748,8 +798,10 @@ OPENDHT_PUBLIC Blob aesEncrypt(const Blob& data, const std::string& password);
 /**
  * AES-GCM decryption.
  */
-OPENDHT_PUBLIC Blob aesDecrypt(const Blob& data, const Blob& key);
-OPENDHT_PUBLIC Blob aesDecrypt(const Blob& data, const std::string& password);
+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); }
 
 }
 }

include/opendht/default_types.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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
@@ -66,8 +66,10 @@ private:
 
 public:
     virtual void unpackValue(const Value& v) override {
-        if (v.owner)
+        if (v.owner) {
+            owner = v.owner;
             from = v.owner->getId();
+        }
         BaseClass::unpackValue(v);
     }
 
@@ -75,6 +77,7 @@ public:
         return [](const Value& v){ return v.isSigned(); };
     }
 
+    Sp<crypto::PublicKey> owner;
     dht::InfoHash from;
 };
 
@@ -144,17 +147,18 @@ public:
     static const ValueType TYPE;
 
     TrustRequest() {}
-    TrustRequest(std::string s) : service(s) {}
-    TrustRequest(std::string s, const Blob& d) : service(s), payload(d) {}
+    TrustRequest(std::string s, std::string ci = {}) : service(s), conversationId(ci) {}
+    TrustRequest(std::string s, std::string ci, const Blob& d) : service(s), conversationId(ci), payload(d) {}
 
     static Value::Filter getFilter() {
         return EncryptedValue::getFilter();
     }
 
     std::string service;
+    std::string conversationId;
     Blob payload;
     bool confirm {false};
-    MSGPACK_DEFINE_MAP(service, payload, confirm)
+    MSGPACK_DEFINE_MAP(service, conversationId, payload, confirm)
 };
 
 class OPENDHT_PUBLIC IceCandidates : public EncryptedValue<IceCandidates>

include/opendht/dht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -61,9 +61,6 @@ struct LocalListener;
  */
 class OPENDHT_PUBLIC Dht final : public DhtInterface {
 public:
-
-    Dht();
-
     /**
      * Initialise the Dht with two open sockets (for IPv4 and IP6)
      * and an ID for the node.
@@ -98,7 +95,7 @@ public:
     /**
      * Performs final operations before quitting.
      */
-    void shutdown(ShutdownCallback cb) override;
+    void shutdown(ShutdownCallback cb, bool stop = false) override;
 
     /**
      * Returns true if the node is running (have access to an open socket).
@@ -117,7 +114,7 @@ public:
 
     void addBootstrap(const std::string& host, const std::string& service) override {
         bootstrap_nodes.emplace_back(host, service);
-        onDisconnected();
+        startBootstrap();
     }
 
     void clearBootstrap() override {
@@ -305,6 +302,9 @@ public:
     void setStorageLimit(size_t limit = DEFAULT_STORAGE_LIMIT) override {
         max_store_size = limit;
     }
+    size_t getStorageLimit() const override {
+        return max_store_size;
+    }
 
     /**
      * Returns the total memory usage of stored values and the number
@@ -343,7 +343,7 @@ private:
     static constexpr unsigned LISTEN_NODES {4};
 
     /* The maximum number of hashes we're willing to track. */
-    static constexpr unsigned MAX_HASHES {1024 * 1024};
+    static constexpr unsigned MAX_HASHES {1024 * 1024 * 1024};
 
     /* The maximum number of searches we keep data about. */
     static constexpr unsigned MAX_SEARCHES {1024 * 1024};
@@ -359,6 +359,8 @@ private:
 
     static constexpr duration REANNOUNCE_MARGIN {std::chrono::seconds(10)};
 
+    static constexpr std::chrono::seconds BOOTSTRAP_PERIOD {10};
+
     static constexpr size_t TOKEN_SIZE {32};
 
     // internal structures
@@ -396,7 +398,7 @@ private:
     Kad dht6 {};
 
     std::vector<std::pair<std::string,std::string>> bootstrap_nodes {};
-    std::chrono::steady_clock::duration bootstrap_period {std::chrono::seconds(10)};
+    std::chrono::steady_clock::duration bootstrap_period {BOOTSTRAP_PERIOD};
     Sp<Scheduler::Job> bootstrapJob {};
 
     std::map<InfoHash, Storage> store;
@@ -448,13 +450,13 @@ private:
     // Storage
     void storageAddListener(const InfoHash& id, const Sp<Node>& node, size_t tid, Query&& = {}, int version = 0);
     bool storageStore(const InfoHash& id, const Sp<Value>& value, time_point created, const SockAddr& sa = {}, bool permanent = false);
-    bool storageErase(const InfoHash& id, Value::Id vid);
     bool storageRefresh(const InfoHash& id, Value::Id vid);
     void expireStore();
     void expireStorage(InfoHash h);
     void expireStore(decltype(store)::iterator);
 
-    void storageChanged(const InfoHash& id, Storage& st, ValueStorage&, bool newValue);
+    void storageRemoved(const InfoHash& id, Storage& st, const std::vector<Sp<Value>>& values, size_t totalSize);
+    void storageChanged(const InfoHash& id, Storage& st, const Sp<Value>&, bool newValue);
     std::string printStorageLog(const decltype(store)::value_type&) const;
 
     /**
@@ -483,6 +485,9 @@ private:
     void sendCachedPing(Bucket& b);
     bool bucketMaintenance(RoutingTable&);
     void dumpBucket(const Bucket& b, std::ostream& out) const;
+    void bootstrap();
+    void startBootstrap();
+    void stopBootstrap();
 
     // Nodes
     void onNewNode(const Sp<Node>& node, int confirm);
@@ -490,7 +495,6 @@ private:
     bool trySearchInsert(const Sp<Node>& node);
 
     // Searches
-
     inline SearchMap& searches(sa_family_t af) { return dht(af).searches; }
     inline const SearchMap& searches(sa_family_t af) const { return dht(af).searches; }
 
@@ -515,6 +519,8 @@ private:
 
     void confirmNodes();
     void expire();
+
+    void onConnected();
     void onDisconnected();
 
     /**
@@ -570,7 +576,8 @@ private:
      *
      * @param sr  The search to execute its operations.
      */
-    void searchStep(Sp<Search>);
+    void searchStep(std::weak_ptr<Search> ws);
+
     void searchSynchedNodeListen(const Sp<Search>&, SearchNode&);
 
     void dumpSearch(const Search& sr, std::ostream& out) const;

include/opendht/dht_interface.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -21,6 +21,8 @@
 #include "infohash.h"
 #include "log_enable.h"
 
+#include <queue>
+
 namespace dht {
 
 namespace net {
@@ -46,6 +48,10 @@ public:
     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 net::DatagramSocket* getSocket() const { return {}; };
 
     /**
@@ -55,8 +61,10 @@ public:
 
     /**
      * Performs final operations before quitting.
+     * stop: if true, cancel ongoing operations and call their 'done'
+     *       callbacks synchronously.
      */
-    virtual void shutdown(ShutdownCallback cb) = 0;
+    virtual void shutdown(ShutdownCallback cb, bool stop = false) = 0;
 
     /**
      * Returns true if the node is running (have access to an open socket).
@@ -213,6 +221,7 @@ public:
      * Set the in-memory storage limit in bytes
      */
     virtual void setStorageLimit(size_t limit = DEFAULT_STORAGE_LIMIT) = 0;
+    virtual size_t getStorageLimit() const = 0;
 
     /**
      * Returns the total memory usage of stored values and the number
@@ -256,6 +265,9 @@ public:
 
     virtual void setPushNotificationToken(const std::string&) {};
 
+    virtual void setPushNotificationTopic(const std::string&) {};
+    virtual void setPushNotificationPlatform(const std::string&) {};
+
     /**
      * Call linked callback with a push notification
      * @param notification to process
@@ -264,6 +276,7 @@ public:
 
 protected:
     std::shared_ptr<Logger> logger_ {};
+    std::queue<std::function<void()>> onConnectCallbacks_ {};
 };
 
 } // namespace dht

include/opendht/dht_proxy_client.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -67,6 +67,22 @@ public:
 #endif
     }
 
+    virtual void setPushNotificationTopic(const std::string& topic) override {
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+        notificationTopic_ = topic;
+#else
+        (void) topic;
+#endif
+    }
+
+    virtual void setPushNotificationPlatform(const std::string& platform) override {
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+        platform_ = platform;
+#else
+        (void) platform;
+#endif
+    }
+
     virtual ~DhtProxyClient();
 
     /**
@@ -85,7 +101,7 @@ public:
     /**
      * Performs final operations before quitting.
      */
-    void shutdown(ShutdownCallback cb) override;
+    void shutdown(ShutdownCallback cb, bool) override;
 
     /**
      * Returns true if the node is running (have access to an open socket).
@@ -107,13 +123,13 @@ public:
      */
     virtual void get(const InfoHash& key, GetCallback cb, DoneCallback donecb={}, Value::Filter&& f={}, Where&& w = {}) override;
     virtual void get(const InfoHash& key, GetCallback cb, DoneCallbackSimple donecb={}, Value::Filter&& f={}, Where&& w = {}) override {
-        get(key, cb, bindDoneCb(donecb), std::forward<Value::Filter>(f), std::forward<Where>(w));
+        get(key, cb, bindDoneCb(std::move(donecb)), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     virtual void get(const InfoHash& key, GetCallbackSimple cb, DoneCallback donecb={}, Value::Filter&& f={}, Where&& w = {}) override {
-        get(key, bindGetCb(cb), donecb, std::forward<Value::Filter>(f), std::forward<Where>(w));
+        get(key, bindGetCb(cb), std::move(donecb), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     virtual void get(const InfoHash& key, GetCallbackSimple cb, DoneCallbackSimple donecb, Value::Filter&& f={}, Where&& w = {}) override {
-        get(key, bindGetCb(cb), bindDoneCb(donecb), std::forward<Value::Filter>(f), std::forward<Where>(w));
+        get(key, bindGetCb(cb), bindDoneCb(std::move(donecb)), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
 
     /**
@@ -134,7 +150,7 @@ public:
             time_point created=time_point::max(),
             bool permanent = false) override
     {
-        put(key, v, bindDoneCb(cb), created, permanent);
+        put(key, v, bindDoneCb(std::move(cb)), created, permanent);
     }
 
     void put(const InfoHash& key,
@@ -143,7 +159,7 @@ public:
             time_point created=time_point::max(),
             bool permanent = false) override
     {
-        put(key, std::make_shared<Value>(std::move(v)), cb, created, permanent);
+        put(key, std::make_shared<Value>(std::move(v)), std::move(cb), created, permanent);
     }
     void put(const InfoHash& key,
             Value&& v,
@@ -151,7 +167,7 @@ public:
             time_point created=time_point::max(),
             bool permanent = false) override
     {
-        put(key, std::forward<Value>(v), bindDoneCb(cb), created, permanent);
+        put(key, std::forward<Value>(v), bindDoneCb(std::move(cb)), created, permanent);
     }
 
     /**
@@ -176,14 +192,14 @@ public:
     virtual size_t listen(const InfoHash&, ValueCallback, Value::Filter={}, Where={}) override;
 
     virtual size_t listen(const InfoHash& key, GetCallback cb, Value::Filter f={}, Where w={}) override {
-        return listen(key, [cb](const std::vector<Sp<Value>>& vals, bool expired){
+        return listen(key, [cb=std::move(cb)](const std::vector<Sp<Value>>& vals, bool expired){
             if (not expired)
                 return cb(vals);
             return true;
         }, std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     virtual size_t listen(const InfoHash& key, GetCallbackSimple cb, Value::Filter f={}, Where w={}) override {
-        return listen(key, bindGetCb(cb), std::forward<Value::Filter>(f), std::forward<Where>(w));
+        return listen(key, bindGetCb(std::move(cb)), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     /*
      * This function relies on the cache implementation.
@@ -214,7 +230,7 @@ public:
      */
     virtual void query(const InfoHash& /*key*/, QueryCallback /*cb*/, DoneCallback /*done_cb*/ = {}, Query&& /*q*/ = {}) override { }
     virtual void query(const InfoHash& key, QueryCallback cb, DoneCallbackSimple done_cb = {}, Query&& q = {}) override {
-        query(key, cb, bindDoneCb(done_cb), std::forward<Query>(q));
+        query(key, cb, bindDoneCb(std::move(done_cb)), std::forward<Query>(q));
     }
 
     /**
@@ -263,6 +279,7 @@ public:
     void dumpTables() const override {}
     std::vector<unsigned> getNodeMessageStats(bool) override { return {}; }
     void setStorageLimit(size_t) override {}
+    virtual size_t getStorageLimit() const override { return 0; }
     void connectivityChanged(sa_family_t) override {
         getProxyInfos();
     }
@@ -335,8 +352,11 @@ private:
     NodeStatus statusIpv6_ {NodeStatus::Disconnected};
     NodeStats stats4_ {};
     NodeStats stats6_ {};
+    SockAddr localAddrv4_;
+    SockAddr localAddrv6_;
     SockAddr publicAddressV4_;
     SockAddr publicAddressV6_;
+    std::atomic_bool launchConnectedCbs_ {false};
 
     InfoHash myid {};
 
@@ -348,6 +368,7 @@ private:
      * Note: Each context is used in one thread only
      */
     asio::io_context httpContext_;
+    mutable std::mutex resolverLock_;
     std::shared_ptr<http::Resolver> resolver_;
 
     mutable std::mutex requestLock_;
@@ -378,8 +399,8 @@ private:
      * Retrieve if we can connect to the proxy (update statusIpvX_)
      */
     void handleProxyConfirm(const asio::error_code &ec);
-    Sp<asio::steady_timer> nextProxyConfirmationTimer_;
-    Sp<asio::steady_timer> listenerRestartTimer_;
+    std::unique_ptr<asio::steady_timer> nextProxyConfirmationTimer_;
+    std::unique_ptr<asio::steady_timer> listenerRestartTimer_;
 
     /**
      * Relaunch LISTEN requests if the client disconnect/reconnect.
@@ -398,6 +419,25 @@ private:
      */
     std::string deviceKey_ {};
 
+    /**
+     * Notification topic for ios notifications.
+     */
+    std::string notificationTopic_ {};
+
+    /**
+     * Platform for push notifications (supported android, ios, unifiedpush)
+     */
+    std::string platform_
+#ifdef __ANDROID__
+    {"android"};
+#else
+#ifdef __APPLE__
+    {"ios"};
+#else
+    {};
+#endif
+#endif
+
     const std::function<void()> loopSignal_;
 
 #ifdef OPENDHT_PUSH_NOTIFICATIONS

include/opendht/dht_proxy_server.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -40,7 +40,8 @@ namespace dht {
 enum class PushType {
     None = 0,
     Android,
-    iOS
+    iOS,
+    UnifiedPush
 };
 }
 MSGPACK_ADD_ENUM(dht::PushType)
@@ -61,11 +62,13 @@ class DhtRunner;
 using RestRouter = restinio::router::express_router_t<>;
 using RequestStatus = restinio::request_handling_status_t;
 
-struct ProxyServerConfig {
+struct OPENDHT_PUBLIC ProxyServerConfig {
+    std::string address {};
     in_port_t port {8000};
     std::string pushServer {};
     std::string persistStatePath {};
     dht::crypto::Identity identity {};
+    std::string bundleId {};
 };
 
 /**
@@ -273,6 +276,11 @@ private:
                            restinio::router::route_params_t params);
 
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
+    PushType getTypeFromString(const std::string& type);
+    std::string getDefaultTopic(PushType type);
+
+    RequestStatus pingPush(restinio::request_handle_t request,
+                         restinio::router::route_params_t /*params*/);
     /**
      * Subscribe to push notifications for an iOS or Android device.
      * Method: SUBSCRIBE "/{InfoHash: .*}"
@@ -300,7 +308,7 @@ private:
      * @param key of the device
      * @param json, the content to send
      */
-    void sendPushNotification(const std::string& key, Json::Value&& json, PushType type, bool highPriority);
+    void sendPushNotification(const std::string& key, Json::Value&& json, PushType type, bool highPriority, const std::string& topic);
 
     /**
      * Send push notification with an expire timeout.
@@ -308,9 +316,10 @@ private:
      * @param pushToken
      * @param json
      * @param type
+     * @param topic
      */
     void handleNotifyPushListenExpire(const asio::error_code &ec, const std::string pushToken,
-                                      std::function<Json::Value()> json, PushType type);
+                                      std::function<Json::Value()> json, PushType type, const std::string& topic);
 
     /**
      * Remove a push listener between a client and a hash
@@ -382,11 +391,12 @@ private:
         std::unique_ptr<asio::steady_timer> expireNotifyTimer;
         Sp<Value> value;
         PushType type;
+        std::string topic;
 
         template <typename Packer>
         void msgpack_pack(Packer& p) const
         {
-            p.pack_map(2 + (sessionCtx ? 1 : 0) + (clientId.empty() ? 0 : 1) + (type == PushType::None ? 0 : 2));
+            p.pack_map(2 + (sessionCtx ? 1 : 0) + (clientId.empty() ? 0 : 1) + (type == PushType::None ? 0 : 2) + (topic.empty() ? 0 : 1));
             p.pack("value"); p.pack(value);
             p.pack("exp"); p.pack(to_time_t(expiration));
             if (not clientId.empty()) {
@@ -400,6 +410,9 @@ private:
                 p.pack("t"); p.pack(type);
                 p.pack("token"); p.pack(pushToken);
             }
+            if (not topic.empty()) {
+                p.pack("top"); p.pack(topic);
+            }
         }
 
         void msgpack_unpack(const msgpack::object& o);
@@ -415,6 +428,7 @@ private:
     mutable std::atomic<time_point> lastStatsReset_ {time_point::min()};
 
     std::string pushServer_;
+    std::string bundleId_;
 
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
     struct Listener {
@@ -425,11 +439,12 @@ private:
         std::unique_ptr<asio::steady_timer> expireTimer;
         std::unique_ptr<asio::steady_timer> expireNotifyTimer;
         PushType type;
+        std::string topic;
 
         template <typename Packer>
         void msgpack_pack(Packer& p) const
         {
-            p.pack_map(sessionCtx ? 4 : 3);
+            p.pack_map(3 + (sessionCtx ? 1 : 0) + (topic.empty() ? 0 : 1));
             p.pack("cid"); p.pack(clientId);
             p.pack("exp"); p.pack(to_time_t(expiration));
             if (sessionCtx) {
@@ -437,6 +452,9 @@ private:
                 p.pack("sid"); p.pack(sessionCtx->sessionId);
             }
             p.pack("t"); p.pack(type);
+            if (!topic.empty()) {
+                p.pack("top"); p.pack(topic);
+            }
         }
 
         void msgpack_unpack(const msgpack::object& o);
@@ -445,9 +463,7 @@ private:
         std::map<InfoHash, std::vector<Listener>> listeners;
         MSGPACK_DEFINE_ARRAY(listeners)
     };
-    std::mutex lockPushListeners_;
     std::map<std::string, PushListener> pushListeners_;
-    proxy::ListenToken tokenPushNotif_ {0};
 #endif //OPENDHT_PUSH_NOTIFICATIONS
 };
 

include/opendht/dhtrunner.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -61,10 +61,13 @@ public:
         std::string proxy_server {};
         std::string push_node_id {};
         std::string push_token {};
+        std::string push_topic {};
+        std::string push_platform {};
         bool peer_discovery {false};
         bool peer_publish {false};
         std::shared_ptr<dht::crypto::Certificate> server_ca;
         dht::crypto::Identity client_identity;
+        SockAddr bind4 {}, bind6 {};
     };
 
     struct Context {
@@ -73,6 +76,7 @@ public:
         std::shared_ptr<PeerDiscovery> peerDiscovery {};
         StatusCallback statusChangedCallback {};
         CertificateStoreQuery certificateStore {};
+        IdentityAnnouncedCb identityAnnouncedCb {};
         Context() {}
     };
 
@@ -97,7 +101,7 @@ public:
     template <class T>
     void get(InfoHash hash, std::function<bool(std::vector<T>&&)> cb, DoneCallbackSimple dcb={})
     {
-        get(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        get(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             return cb(unpackVector<T>(vals));
         },
         dcb,
@@ -106,7 +110,7 @@ public:
     template <class T>
     void get(InfoHash hash, std::function<bool(T&&)> cb, DoneCallbackSimple dcb={})
     {
-        get(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        get(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             for (const auto& v : vals) {
                 try {
                     if (not cb(Value::unpack<T>(*v)))
@@ -155,7 +159,7 @@ public:
     std::future<size_t> listen(InfoHash key, ValueCallback vcb, Value::Filter f = {}, Where w = {});
 
     std::future<size_t> listen(InfoHash key, GetCallback cb, Value::Filter f={}, Where w={}) {
-        return listen(key, [cb](const std::vector<Sp<Value>>& vals, bool expired){
+        return listen(key, [cb=std::move(cb)](const std::vector<Sp<Value>>& vals, bool expired){
             if (not expired)
                 return cb(vals);
             return true;
@@ -169,7 +173,7 @@ public:
     template <class T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(std::vector<T>&&)> cb)
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             return cb(unpackVector<T>(vals));
         },
         getFilterSet<T>());
@@ -177,7 +181,7 @@ public:
     template <class T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(std::vector<T>&&, bool)> cb)
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
             return cb(unpackVector<T>(vals), expired);
         },
         getFilterSet<T>());
@@ -186,7 +190,7 @@ public:
     template <typename T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(T&&)> cb, Value::Filter f = {}, Where w = {})
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             for (const auto& v : vals) {
                 try {
                     if (not cb(Value::unpack<T>(*v)))
@@ -202,7 +206,7 @@ public:
     template <typename T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(T&&, bool)> cb, Value::Filter f = {}, Where w = {})
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
             for (const auto& v : vals) {
                 try {
                     if (not cb(Value::unpack<T>(*v), expired))
@@ -255,18 +259,29 @@ public:
     }
     void putEncrypted(const std::string& key, InfoHash to, Value&& value, DoneCallback cb={}, bool permanent = false);
 
-    /**
-     * Insert known nodes to the routing table, without necessarly ping them.
-     * Usefull to restart a node and get things running fast without putting load on the network.
-     */
-    void bootstrap(std::vector<SockAddr> nodes, DoneCallbackSimple&& cb={});
-    void bootstrap(const SockAddr& addr, DoneCallbackSimple&& cb={});
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, std::shared_ptr<Value> value, DoneCallback cb={}, bool permanent = false);
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, std::shared_ptr<Value> value, DoneCallbackSimple cb, bool permanent = false) {
+        putEncrypted(hash, to, value, bindDoneCb(cb), permanent);
+    }
+
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, Value&& value, DoneCallback cb={}, bool permanent = false);
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, Value&& value, DoneCallbackSimple cb, bool permanent = false) {
+        putEncrypted(hash, to, std::forward<Value>(value), bindDoneCb(cb), permanent);
+    }
+
 
     /**
      * Insert known nodes to the routing table, without necessarly ping them.
      * Usefull to restart a node and get things running fast without putting load on the network.
      */
-    void bootstrap(const std::vector<NodeExport>& nodes);
+    void bootstrap(std::vector<SockAddr> nodes, DoneCallbackSimple cb={});
+    void bootstrap(SockAddr addr, DoneCallbackSimple cb={});
+
+    /**
+     * Insert known nodes to the routing table, without necessarly ping them.
+     * Usefull to restart a node and get things running fast without putting load on the network.
+     */
+    void bootstrap(std::vector<NodeExport> nodes);
 
     /**
      * Add host:service to bootstrap nodes, and ping this node.
@@ -301,6 +316,7 @@ public:
      * Get the public key fingerprint if an identity is used with this node, 0 otherwise.
      */
     InfoHash getId() const;
+    std::shared_ptr<crypto::PublicKey> getPublicKey() const;
 
     /**
      * Get the ID of the DHT node.
@@ -321,6 +337,7 @@ public:
 
     std::pair<size_t, size_t> getStoreSize() const;
 
+    void getStorageLimit() const;
     void setStorageLimit(size_t limit = DEFAULT_STORAGE_LIMIT);
 
     std::vector<NodeExport> exportNodes() const;
@@ -357,8 +374,9 @@ public:
     std::string getRoutingTablesLog(sa_family_t af) const;
     std::string getSearchesLog(sa_family_t af = AF_UNSPEC) const;
     std::string getSearchLog(const InfoHash&, sa_family_t af = AF_UNSPEC) const;
-    std::vector<SockAddr> getPublicAddress(sa_family_t af = AF_UNSPEC);
-    std::vector<std::string> getPublicAddressStr(sa_family_t af = AF_UNSPEC);
+    std::vector<SockAddr> getPublicAddress(sa_family_t af = AF_UNSPEC) const;
+    std::vector<std::string> getPublicAddressStr(sa_family_t af = AF_UNSPEC) const;
+    void getPublicAddress(std::function<void(std::vector<SockAddr>&&)>, sa_family_t af = AF_UNSPEC);
 
     // securedht methods
 
@@ -379,22 +397,12 @@ public:
         config.threaded = threaded;
         run(port, config);
     }
-    void run(in_port_t port, const Config& config, Context&& context = {});
-
-    /**
-     * @param local4: Local IPv4 address and port to bind. Can be null.
-     * @param local6: Local IPv6 address and port to bind. Can be null.
-     *         You should allways bind to a global IPv6 address.
-     * @param identity: RSA key pair to use for cryptographic operations.
-     * @param threaded: If false, loop() must be called periodically. Otherwise a thread is launched.
-     * @param cb: Optional callback to receive general state information.
-     */
-    void run(SockAddr& local4, SockAddr& local6, const Config& config, Context&& context = {});
+    void run(in_port_t port, Config& config, Context&& context = {});
 
     /**
      * Same as @run(sockaddr_in, sockaddr_in6, Identity, bool, StatusCallback), but with string IP addresses and service (port).
      */
-    void run(const char* ip4, const char* ip6, const char* service, const Config& config, Context&& context = {});
+    void run(const char* ip4, const char* ip6, const char* service, Config& config, Context&& context = {});
 
     void run(const Config& config, Context&& context);
 
@@ -415,7 +423,7 @@ public:
     /**
      * Gracefuly disconnect from network.
      */
-    void shutdown(ShutdownCallback cb = {});
+    void shutdown(ShutdownCallback cb = {}, bool stop = false);
 
     /**
      * Quit and wait for all threads to terminate.
@@ -431,7 +439,6 @@ public:
     /**
      * Start or stop the proxy
      * @param proxify if we want to use the proxy
-     * @param deviceKey non empty to enable push notifications
      */
     void enableProxy(bool proxify);
 
@@ -442,6 +449,16 @@ public:
      */
     void setPushNotificationToken(const std::string& token);
 
+     /**
+     * Sets the push notification topic
+     */
+    void setPushNotificationTopic(const std::string& topic);
+
+     /**
+     * Sets the push notification platform
+     */
+    void setPushNotificationPlatform(const std::string& platform);
+
     /**
      * Insert a push notification to process for OpenDHT
      */
@@ -451,8 +468,6 @@ public:
     void forwardAllMessages(bool forward);
 
 private:
-    static constexpr std::chrono::seconds BOOTSTRAP_PERIOD {10};
-
     enum class State {
         Idle,
         Running,
@@ -470,33 +485,20 @@ private:
     DoneCallback bindOpDoneCallback(DoneCallback&& cb);
     DoneCallbackSimple bindOpDoneCallback(DoneCallbackSimple&& cb);
 
-    /** Local DHT instance */
+    /** DHT instance */
     std::unique_ptr<SecureDht> dht_;
 
-    /** Proxy client instance */
-    std::unique_ptr<SecureDht> dht_via_proxy_;
-
     /** true if we are currently using a proxy */
     std::atomic_bool use_proxy {false};
 
     /** Current configuration */
     Config config_;
+    IdentityAnnouncedCb identityAnnouncedCb_;
 
     /**
      * reset dht clients
      */
     void resetDht();
-    /**
-     * @return the current active DHT
-     */
-    SecureDht* activeDht() const;
-
-    /**
-     * Store current listeners and translates global tokens for each client.
-     */
-    struct Listener;
-    std::map<size_t, Listener> listeners_;
-    size_t listener_token_ {1};
 
     mutable std::mutex dht_mtx {};
     std::thread dht_thread {};

include/opendht/http.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -96,6 +96,7 @@ public:
     inline unsigned int id() const { return  id_; };
     bool is_open() const;
     bool is_ssl() const;
+    void checkOcsp(bool check = true) { checkOcsp_ = check; }
 
     void set_ssl_verification(const std::string& hostname, const asio::ssl::verify_mode verify_mode);
 
@@ -113,13 +114,16 @@ public:
     void async_read(size_t bytes, BytesHandlerCb cb);
     void async_read_some(size_t bytes, BytesHandlerCb cb);
 
-    void timeout(const std::chrono::seconds timeout, HandlerCb cb = {});
+    const asio::ip::address& local_address() const;
+
+    void timeout(const std::chrono::seconds& timeout, HandlerCb cb = {});
+
     void close();
 
 private:
 
     template<typename T>
-    T wrapCallabck(T cb) const {
+    T wrapCallback(T cb) const {
         return [t=shared_from_this(),cb=std::move(cb)](auto ...params) {
             cb(params...);
         };
@@ -141,8 +145,11 @@ private:
     asio::streambuf read_buf_;
     std::istream istream_;
 
+    asio::ip::address local_address_;
+
     std::unique_ptr<asio::steady_timer> timeout_timer_;
     std::shared_ptr<dht::Logger> logger_;
+    bool checkOcsp_ {false};
 };
 
 /**
@@ -259,6 +266,11 @@ public:
         return resolver_->get_url();
     };
 
+    void timeout(const std::chrono::seconds& timeout, HandlerCb cb = {}) {
+        timeout_ = timeout;
+        timeoutCb_ = cb;
+    }
+
     /** The previous request in case of redirect following */
     std::shared_ptr<Request> getPrevious() const {
         return prev_.lock();
@@ -290,6 +302,9 @@ public:
 
     void send();
 
+    /** Send and block for response */
+    const Response& await();
+
     /**
      * User action to cancel the Request and call the completion callbacks.
      */
@@ -365,20 +380,11 @@ private:
     std::weak_ptr<Request> prev_;
     unsigned num_redirect {0};
     bool follow_redirect {true};
+
+    HandlerCb timeoutCb_ {};
+    std::chrono::seconds timeout_ {0};
 };
 
 } // namespace http
 } // namespace dht
 
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-namespace restinio
-{
-/* Custom HTTP-methods for RESTinio > 0.5.0.
- * https://github.com/Stiffstream/restinio/issues/26
- */
-constexpr const restinio::http_method_id_t method_listen {HTTP_LISTEN, "LISTEN"};
-constexpr const restinio::http_method_id_t method_stats {HTTP_STATS, "STATS"};
-constexpr const restinio::http_method_id_t method_sign {HTTP_SIGN, "SIGN"};
-constexpr const restinio::http_method_id_t method_encrypt {HTTP_ENCRYPT, "ENCRYPT"};
-} // namespace restinio
-#endif

include/opendht/indexation/pht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *              Nicolas Reynaud <nicolas.reynaud@savoirfairelinux.com>
@@ -335,7 +335,7 @@ public:
     void lookup(Key k, LookupCallback cb = {}, DoneCallbackSimple done_cb = {}, bool exact_match = true);
     void lookup(Key k, LookupCallbackSimple cb = {}, DoneCallbackSimple done_cb = {}, bool exact_match = true)
     {
-        lookup(k, [=](std::vector<std::shared_ptr<Value>>& values, Prefix) { cb(values); }, done_cb, exact_match);
+        lookup(k, [cb=std::move(cb)](std::vector<std::shared_ptr<Value>>& values, Prefix) { cb(values); }, done_cb, exact_match);
     }
 
     /**

include/opendht/infohash.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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
@@ -40,10 +40,12 @@ typedef uint16_t in_port_t;
 #include <iomanip>
 #include <array>
 #include <vector>
+#include <string_view>
 #include <algorithm>
 #include <stdexcept>
 #include <sstream>
 #include <cstring>
+#include <cstddef>
 
 namespace dht {
 
@@ -54,9 +56,9 @@ namespace crypto {
 }
 
 /**
- * Represents an InfoHash.
- * An InfoHash is a byte array of HASH_LEN bytes.
- * InfoHashes identify nodes and values in the Dht.
+ * Represents an Hash,
+ * a byte array of N bytes.
+ * Hashes identify nodes and values in the Dht.
  */
 template <size_t N>
 class OPENDHT_PUBLIC Hash {
@@ -65,10 +67,10 @@ public:
     typedef typename T::iterator iterator;
     typedef typename T::const_iterator const_iterator;
 
-    Hash () noexcept {
+    Hash() noexcept {
         data_.fill(0);
     }
-    Hash (const uint8_t* h, size_t data_len) {
+    Hash(const uint8_t* h, size_t data_len) {
         if (data_len < N)
             data_.fill(0);
         else
@@ -79,7 +81,12 @@ public:
      * hex must be at least 2.HASH_LEN characters long.
      * If too long, only the first 2.HASH_LEN characters are read.
      */
-    explicit Hash(const std::string& hex);
+    explicit Hash(std::string_view hex) {
+        if (hex.size() < 2*N)
+            data_.fill(0);
+        else
+            fromString(hex.data());
+    }
 
     Hash(const msgpack::object& o) {
         msgpack_unpack(o);
@@ -93,14 +100,10 @@ public:
     iterator end() { return data_.end(); }
     const_iterator cend() const { return data_.cend(); }
 
+    static constexpr inline Hash zero() noexcept { return Hash{}; }
+
     bool operator==(const Hash& h) const {
-        auto a = reinterpret_cast<const uint32_t*>(data_.data());
-        auto b = reinterpret_cast<const uint32_t*>(h.data_.data());
-        constexpr unsigned n = N / sizeof(uint32_t);
-        for (unsigned i=0; i < n; i++)
-            if (a[i] != b[i])
-                return false;
-        return true;
+        return data_ == h.data_;
     }
     bool operator!=(const Hash& h) const { return !(*this == h); }
 
@@ -112,6 +115,14 @@ public:
         return false;
     }
 
+    Hash operator^(const Hash& o) const {
+        Hash result;
+        for(auto i = 0u; i < N; i++) {
+            result[i] = data_[i] ^ o.data_[i];
+        }
+        return result;
+    }
+
     explicit operator bool() const {
         auto a = reinterpret_cast<const uint32_t*>(data_.data());
         auto b = reinterpret_cast<const uint32_t*>(data_.data() + N);
@@ -142,10 +153,6 @@ public:
         return 8 * i + j;
     }
 
-    /**
-     * Forget about the ``XOR-metric''.  An id is just a path from the
-     * root of the tree, so bits are numbered from the start.
-     */
     static inline int cmp(const Hash& id1, const Hash& id2) {
         return std::memcmp(id1.data_.data(), id2.data_.data(), N);
     }
@@ -179,16 +186,12 @@ public:
     int
     xorCmp(const Hash& id1, const Hash& id2) const
     {
-        for(unsigned i = 0; i < N; i++) {
-            uint8_t xor1, xor2;
+        for (unsigned i = 0; i < N; i++) {
             if(id1.data_[i] == id2.data_[i])
                 continue;
-            xor1 = id1.data_[i] ^ data_[i];
-            xor2 = id2.data_[i] ^ data_[i];
-            if(xor1 < xor2)
-                return -1;
-            else
-                return 1;
+            uint8_t xor1 = id1.data_[i] ^ data_[i];
+            uint8_t xor2 = id2.data_[i] ^ data_[i];
+            return (xor1 < xor2) ? -1 : 1;
         }
         return 0;
     }
@@ -217,7 +220,7 @@ public:
         return v;
     }
 
-    static inline Hash get(const std::string& data) {
+    static inline Hash get(std::string_view data) {
         return get((const uint8_t*)data.data(), data.size());
     }
 
@@ -246,6 +249,8 @@ public:
     template <size_t M>
     OPENDHT_PUBLIC friend std::istream& operator>> (std::istream& s, Hash<M>& h);
 
+    /** Returns view to thread-allocated memory, only valid until the next call to this function. */
+    std::string_view to_view() const { return std::string_view(to_c_str(), N*2); }
     const char* to_c_str() const;
 
     std::string toString() const;
@@ -289,14 +294,6 @@ std::istream& operator>> (std::istream& s, Hash<N>& h)
     return s;
 }
 
-template <size_t N>
-Hash<N>::Hash(const std::string& hex) {
-    if (hex.size() < 2*N)
-        data_.fill(0);
-    else
-        fromString(hex.c_str());
-}
-
 template <size_t N>
 void
 Hash<N>::fromString(const char* in) {
@@ -340,7 +337,7 @@ Hash<N>::getRandom(Rd& rdev)
     return h;
 }
 
-struct HexMap : public std::array<std::array<char, 2>, 256> {
+struct alignas(std::max_align_t) HexMap : public std::array<std::array<char, 2>, 256> {
     HexMap() {
         for (size_t i=0; i<size(); i++) {
             auto& e = (*this)[i];
@@ -354,11 +351,27 @@ private:
 
 OPENDHT_PUBLIC extern const HexMap hex_map;
 
+inline std::string
+toHex(const uint8_t* data, size_t size) {
+    std::string ret(size * 2, '\0');
+    for (size_t i=0; i<size; i++) {
+        auto b = ret.data()+i*2;
+        const auto& m = hex_map[data[i]];
+        *((uint16_t*)b) = *((uint16_t*)&m);
+    }
+    return ret;
+}
+
+inline std::string
+toHex(const std::vector<uint8_t>& data) {
+    return toHex(data.data(), data.size());
+}
+
 template <size_t N>
 const char*
 Hash<N>::to_c_str() const
 {
-    thread_local std::array<char, N*2+1> buf;
+    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;
         const auto& m = hex_map[data_[i]];
@@ -374,8 +387,6 @@ Hash<N>::toString() const
     return std::string(to_c_str(), N*2);
 }
 
-const InfoHash zeroes {};
-
 struct OPENDHT_PUBLIC NodeExport {
     InfoHash id;
     sockaddr_storage ss;

include/opendht/log.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *

include/opendht/log_enable.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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

include/opendht/network_engine.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *
@@ -214,7 +214,6 @@ public:
     using RequestErrorCb = std::function<bool(const Request&, DhtProtocolException&&)>;
     using RequestExpiredCb = std::function<void(const Request&, bool)>;
 
-    NetworkEngine(const Sp<Logger>& log, std::mt19937_64& rd, Scheduler& scheduler, std::unique_ptr<DatagramSocket>&& sock);
     NetworkEngine(
             InfoHash& myid,
             NetworkConfig config,
@@ -253,12 +252,12 @@ public:
      * @param values      The values to send.
      * @param version     If version = 1, a request will be used to answer to the listener
      */
-    void tellListener(Sp<Node> n, Tid socket_id, const InfoHash& hash, want_t want, const Blob& ntoken,
+    void tellListener(const Sp<Node>& n, Tid socket_id, const InfoHash& hash, want_t want, const Blob& ntoken,
             std::vector<Sp<Node>>&& nodes, std::vector<Sp<Node>>&& nodes6,
             std::vector<Sp<Value>>&& values, const Query& q, int version);
 
-    void tellListenerRefreshed(Sp<Node> n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values, int version);
-    void tellListenerExpired(Sp<Node> n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values, int version);
+    void tellListenerRefreshed(const Sp<Node>& n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values, int version);
+    void tellListenerExpired(const Sp<Node>& n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values, int version);
 
     bool isRunning(sa_family_t af) const;
     inline want_t want () const { return dht_socket->hasIPv4() and dht_socket->hasIPv6() ? (WANT4 | WANT6) : -1; }
@@ -279,7 +278,7 @@ public:
      * @return the request with information concerning its success.
      */
     Sp<Request>
-    sendPing(Sp<Node> n, RequestCb&& on_done, RequestExpiredCb&& on_expired);
+    sendPing(const Sp<Node>& n, RequestCb&& on_done, RequestExpiredCb&& on_expired);
 
     /**
      * Send a "ping" request to a given node.
@@ -293,7 +292,7 @@ public:
      */
     Sp<Request>
     sendPing(SockAddr&& sa, RequestCb&& on_done, RequestExpiredCb&& on_expired) {
-        return sendPing(std::make_shared<Node>(zeroes, std::move(sa), rd),
+        return sendPing(std::make_shared<Node>(InfoHash::zero(), std::move(sa), rd),
                 std::forward<RequestCb>(on_done),
                 std::forward<RequestExpiredCb>(on_expired));
     }
@@ -310,7 +309,7 @@ public:
      *
      * @return the request with information concerning its success.
      */
-    Sp<Request> sendFindNode(Sp<Node> n,
+    Sp<Request> sendFindNode(const Sp<Node>& n,
                              const InfoHash& hash,
                              want_t want = -1,
                              RequestCb&& on_done = {},
@@ -329,7 +328,7 @@ public:
      *
      * @return the request with information concerning its success.
      */
-    Sp<Request> sendGetValues(Sp<Node> n,
+    Sp<Request> sendGetValues(const Sp<Node>& n,
                               const InfoHash& hash,
                               const Query& query,
                               want_t want,
@@ -358,7 +357,7 @@ public:
      *
      * @return the request with information concerning its success.
      */
-    Sp<Request> sendListen(Sp<Node> n,
+    Sp<Request> sendListen(const Sp<Node>& n,
                            const InfoHash& hash,
                            const Query& query,
                            const Blob& token,
@@ -378,7 +377,7 @@ public:
      *
      * @return the request with information concerning its success.
      */
-    Sp<Request> sendAnnounceValue(Sp<Node> n,
+    Sp<Request> sendAnnounceValue(const Sp<Node>& n,
                                   const InfoHash& hash,
                                   const Sp<Value>& v,
                                   time_point created,
@@ -398,7 +397,7 @@ public:
      *
      * @return the request with information concerning its success.
      */
-    Sp<Request> sendRefreshValue(Sp<Node> n,
+    Sp<Request> sendRefreshValue(const Sp<Node>& n,
                                  const InfoHash& hash,
                                  const Value::Id& vid,
                                  const Blob& token,
@@ -417,7 +416,7 @@ public:
      *
      * @return the request with information concerning its success.
      */
-    Sp<Request> sendUpdateValues(Sp<Node> n,
+    Sp<Request> sendUpdateValues(const Sp<Node>& n,
                                  const InfoHash& infohash,
                                  const std::vector<Sp<Value>>& values,
                                  time_point created,

include/opendht/network_utils.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -42,7 +42,7 @@ namespace dht {
 namespace net {
 
 static const constexpr in_port_t DHT_DEFAULT_PORT = 4222;
-static const constexpr size_t RX_QUEUE_MAX_SIZE = 1024 * 16;
+static const constexpr size_t RX_QUEUE_MAX_SIZE = 1024 * 64;
 static const constexpr std::chrono::milliseconds RX_QUEUE_MAX_DELAY(650);
 
 int bindSocket(const SockAddr& addr, SockAddr& bound);

include/opendht/node.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *

include/opendht/node_cache.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

include/opendht/peer_discovery.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Mingrui Zhang <mingrui.zhang@savoirfairelinux.com>
  *              Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
  *

include/opendht/proxy.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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

include/opendht/rate_limiter.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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

include/opendht/rng.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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

include/opendht/routing_table.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *

include/opendht/scheduler.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *
@@ -36,8 +36,9 @@ namespace dht {
 class Scheduler {
 public:
     struct Job {
-        Job(std::function<void()>&& f) : do_(std::move(f)) {}
+        Job(std::function<void()>&& f, time_point t) : do_(std::move(f)), t_(t) {}
         std::function<void()> do_;
+        const time_point t_;
         void cancel() { do_ = {}; }
     };
 
@@ -50,17 +51,12 @@ public:
      * @return pointer to the newly scheduled job.
      */
     Sp<Scheduler::Job> add(time_point t, std::function<void()>&& job_func) {
-        auto job = std::make_shared<Job>(std::move(job_func));
+        auto job = std::make_shared<Job>(std::move(job_func), t);
         if (t != time_point::max())
             timers.emplace(std::move(t), job);
         return job;
     }
 
-    void add(const Sp<Scheduler::Job>& job, time_point t) {
-        if (t != time_point::max())
-            timers.emplace(std::move(t), job);
-    }
-
     /**
      * Reschedules a job.
      *
@@ -68,16 +64,29 @@ public:
      * @param t  The time at which the job shall be rescheduled.
      */
     void edit(Sp<Scheduler::Job>& job, time_point t) {
-        if (not job) {
+        if (not job)
             return;
-        }
         // std::function move doesn't garantee to leave the object empty.
         // Force clearing old value.
         auto task = std::move(job->do_);
-        job->do_ = {};
+        cancel(job);
         job = add(t, std::move(task));
     }
 
+    bool cancel(Sp<Scheduler::Job>& job) {
+        if (job) {
+            job->cancel();
+            for (auto r = timers.equal_range(job->t_); r.first != r.second; ++r.first) {
+                if (r.first->second == job) {
+                    timers.erase(r.first);
+                    job.reset();
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     /**
      * Runs the jobs to do up to now.
      *

include/opendht/securedht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -45,15 +45,13 @@ public:
         return c;
     }
 
-    SecureDht() {}
-
     /**
      * s, s6: bound socket descriptors for IPv4 and IPv6, respectively.
      *        For the Dht to be initialised, at least one of them must be >= 0.
      * id:    the identity to use for the crypto layer and to compute
      *        our own hash on the Dht.
      */
-    SecureDht(std::unique_ptr<DhtInterface> dht, Config config);
+    SecureDht(std::unique_ptr<DhtInterface> dht, Config config, IdentityAnnouncedCb iacb = {}, const std::shared_ptr<Logger>& l = {});
 
     virtual ~SecureDht();
 
@@ -63,6 +61,9 @@ public:
     PkId getLongId() const {
         return key_ ? key_->getPublicKey().getLongId() : PkId();
     }
+    Sp<crypto::PublicKey> getPublicKey() const {
+        return key_ ? key_->getSharedPublicKey() : Sp<crypto::PublicKey>{};
+    }
 
     ValueType secureType(ValueType&& type);
 
@@ -117,6 +118,10 @@ public:
     void putEncrypted(const InfoHash& hash, const InfoHash& to, Value&& v, DoneCallback callback, bool permanent = false) {
         putEncrypted(hash, to, std::make_shared<Value>(std::move(v)), callback, permanent);
     }
+    void putEncrypted(const InfoHash& hash, const crypto::PublicKey& to, Sp<Value> val, DoneCallback callback, bool permanent = false);
+    void putEncrypted(const InfoHash& hash, const crypto::PublicKey& to, Value&& v, DoneCallback callback, bool permanent = false) {
+        putEncrypted(hash, to, std::make_shared<Value>(std::move(v)), callback, permanent);
+    }
 
     /**
      * Take ownership of the value and sign it using our private key.
@@ -128,13 +133,13 @@ public:
     Value decrypt(const Value& v);
 
     void findCertificate(const InfoHash& node, const std::function<void(const Sp<crypto::Certificate>)>& cb);
-    void findPublicKey(const InfoHash& node, const std::function<void(const Sp<const crypto::PublicKey>)>& cb);
+    void findPublicKey(const InfoHash& node, const std::function<void(const Sp<crypto::PublicKey>)>& cb);
 
-    const Sp<crypto::Certificate> registerCertificate(const InfoHash& node, const Blob& cert);
+    Sp<crypto::Certificate> registerCertificate(const InfoHash& node, const Blob& cert);
     void registerCertificate(Sp<crypto::Certificate>& cert);
 
-    const Sp<crypto::Certificate> getCertificate(const InfoHash& node) const;
-    const Sp<const crypto::PublicKey> getPublicKey(const InfoHash& node) const;
+    Sp<crypto::Certificate> getCertificate(const InfoHash& node) const;
+    Sp<crypto::PublicKey> getPublicKey(const InfoHash& node) const;
 
     /**
      * Allows to set a custom callback called by the library to find a locally-stored certificate.
@@ -148,8 +153,8 @@ public:
     /**
      * SecureDht to Dht proxy
      */
-    void shutdown(ShutdownCallback cb) override {
-        dht_->shutdown(cb);
+    void shutdown(ShutdownCallback cb, bool stop = false) override {
+        dht_->shutdown(cb, stop);
     }
     void dumpTables() const override {
         dht_->dumpTables();
@@ -168,6 +173,10 @@ public:
     void setStorageLimit(size_t limit = DEFAULT_STORAGE_LIMIT) override {
         dht_->setStorageLimit(limit);
     }
+    size_t getStorageLimit() const override {
+        return dht_->getStorageLimit();
+    }
+
     std::vector<NodeExport> exportNodes() const override {
         return dht_->exportNodes();
     }
@@ -356,7 +365,7 @@ private:
 
     // our certificate cache
     std::map<InfoHash, Sp<crypto::Certificate>> nodesCertificates_ {};
-    std::map<InfoHash, Sp<const crypto::PublicKey>> nodesPubKeys_ {};
+    std::map<InfoHash, Sp<crypto::PublicKey>> nodesPubKeys_ {};
 
     std::atomic_bool forward_all_ {false};
     bool enableCache_ {false};

include/opendht/sockaddr.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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
@@ -68,7 +68,7 @@ public:
      * Build from existing address.
      */
     SockAddr(const sockaddr* sa, socklen_t length) {
-        if (length > sizeof(sockaddr_storage))
+        if (length > static_cast<socklen_t>(sizeof(sockaddr_storage)))
             throw std::runtime_error("Socket address length is too large");
         set(sa, length);
     }
@@ -144,7 +144,7 @@ public:
             if (len) addr.reset((sockaddr*)::calloc(len, 1));
             else     addr.reset();
         }
-        if (len > sizeof(sa_family_t))
+        if (len)
             addr->sa_family = af;
     }
 
@@ -223,19 +223,28 @@ public:
      */
     sockaddr* get() { return addr.get(); }
 
-    const sockaddr_in& getIPv4() const {
+    inline const sockaddr_in& getIPv4() const {
         return *reinterpret_cast<const sockaddr_in*>(get());
     }
-    const sockaddr_in6& getIPv6() const {
+    inline const sockaddr_in6& getIPv6() const {
         return *reinterpret_cast<const sockaddr_in6*>(get());
     }
-    sockaddr_in& getIPv4() {
+    inline sockaddr_in& getIPv4() {
         return *reinterpret_cast<sockaddr_in*>(get());
     }
-    sockaddr_in6& getIPv6() {
+    inline sockaddr_in6& getIPv6() {
         return *reinterpret_cast<sockaddr_in6*>(get());
     }
 
+    /** 
+     * Releases the ownership of the managed object, if any.
+     * The caller is responsible for deleting the object with free().
+     */
+    inline sockaddr* release() {
+        len = 0;
+        return addr.release();
+    }
+
     /**
      * Return true if address is a loopback IP address.
      */

include/opendht/thread_pool.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
@@ -27,6 +27,8 @@
 #include <future>
 #include <functional>
 
+#include <ciso646> // fix windows compiler bug
+
 namespace dht {
 
 class OPENDHT_PUBLIC ThreadPool {
@@ -63,15 +65,14 @@ public:
     void join();
 
 private:
-    struct ThreadState;
-    std::queue<std::function<void()>> tasks_ {};
-    std::vector<std::unique_ptr<ThreadState>> threads_;
-    unsigned readyThreads_ {0};
     std::mutex lock_ {};
     std::condition_variable cv_ {};
+    std::queue<std::function<void()>> tasks_ {};
+    std::vector<std::unique_ptr<std::thread>> threads_;
+    unsigned readyThreads_ {0};
+    bool running_ {true};
 
     const unsigned maxThreads_;
-    bool running_ {true};
 };
 
 class OPENDHT_PUBLIC Executor : public std::enable_shared_from_this<Executor> {
@@ -93,4 +94,71 @@ private:
     void schedule();
 };
 
+class OPENDHT_PUBLIC ExecutionContext {
+public:
+    ExecutionContext(ThreadPool& pool)
+     : threadPool_(pool), state_(std::make_shared<SharedState>())
+    {}
+
+    ~ExecutionContext() {
+        state_->destroy();
+    }
+
+    /** Wait for ongoing tasks to complete execution and drop other pending tasks */
+    void stop() {
+        state_->destroy(false);
+    }
+
+    void run(std::function<void()>&& task) {
+        std::lock_guard<std::mutex> lock(state_->mtx);
+        if (state_->shutdown_) return;
+        state_->pendingTasks++;
+        threadPool_.get().run([task = std::move(task), state = state_] {
+            state->run(task);
+        });
+    }
+
+private:
+    struct SharedState {
+        std::mutex mtx {};
+        std::condition_variable cv {};
+        unsigned pendingTasks {0};
+        unsigned ongoingTasks {0};
+        /** When true, prevents new tasks to be scheduled */
+        bool shutdown_ {false};
+        /** When true, prevents scheduled tasks to be executed */
+        std::atomic_bool destroyed {false};
+
+        void destroy(bool wait = true) {
+            std::unique_lock<std::mutex> lock(mtx);
+            if (destroyed) return;
+            if (wait) {
+                cv.wait(lock, [this] { return pendingTasks == 0 && ongoingTasks == 0; });
+            }
+            shutdown_ = true;
+            if (not wait) {
+                cv.wait(lock, [this] { return ongoingTasks == 0; });
+            }
+            destroyed = true;
+        }
+
+        void run(const std::function<void()>& task) {
+            {
+                std::lock_guard<std::mutex> lock(mtx);
+                pendingTasks--;
+                ongoingTasks++;
+            }
+                if (destroyed) return;
+                task();
+            {
+                std::lock_guard<std::mutex> lock(mtx);
+                ongoingTasks--;
+                cv.notify_all();
+            }
+        }
+    };
+    std::reference_wrapper<ThreadPool> threadPool_;
+    std::shared_ptr<SharedState> state_;
+};
+
 }

include/opendht/utils.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  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
@@ -178,8 +178,8 @@ msgpack::object* findMapValue(const msgpack::object& map, const char* key, size_
 inline msgpack::object* findMapValue(const msgpack::object& map, const char* key) {
     return findMapValue(map, key, strlen(key));
 }
-inline msgpack::object* findMapValue(const msgpack::object& map, const std::string& key) {
-    return findMapValue(map, key.c_str(), key.size());
+inline msgpack::object* findMapValue(const msgpack::object& map, std::string_view key) {
+    return findMapValue(map, key.data(), key.size());
 }
 
 } // namespace dht

include/opendht/value.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *
@@ -27,6 +27,7 @@
 #include <msgpack.hpp>
 
 #include <string>
+#include <string_view>
 #include <sstream>
 #include <bitset>
 #include <vector>
@@ -42,8 +43,9 @@
 #endif
 
 namespace dht {
+using namespace std::literals;
 
-static const std::string VALUE_KEY_ID("id");
+static constexpr auto VALUE_KEY_ID("id");
 static const std::string VALUE_KEY_DAT("dat");
 static const std::string VALUE_KEY_PRIO("p");
 static const std::string VALUE_KEY_SIGNATURE("sig");
@@ -117,7 +119,7 @@ struct OPENDHT_PUBLIC ValueType {
 
     Id id {0};
     std::string name {};
-    duration expiration {60 * 10};
+    duration expiration {std::chrono::minutes(10)};
     StorePolicy storePolicy {DEFAULT_STORE_POLICY};
     EditPolicy editPolicy {DEFAULT_EDIT_POLICY};
 };
@@ -169,29 +171,29 @@ struct OPENDHT_PUBLIC Value
         template<typename Functor>
         Filter(Functor f) : std::function<bool(const Value&)>::function(f) {}
 
-        Filter chain(Filter&& f2) {
+        inline Filter chain(Filter&& f2) {
             auto f1 = *this;
             return chain(std::move(f1), std::move(f2));
         }
-        Filter chainOr(Filter&& f2) {
+        inline Filter chainOr(Filter&& f2) {
             auto f1 = *this;
             return chainOr(std::move(f1), std::move(f2));
         }
-        static Filter chain(Filter&& f1, Filter&& f2) {
+        static inline Filter chain(Filter&& f1, Filter&& f2) {
             if (not f1) return std::move(f2);
             if (not f2) return std::move(f1);
             return [f1 = std::move(f1), f2 = std::move(f2)](const Value& v) {
                 return f1(v) and f2(v);
             };
         }
-        static Filter chain(const Filter& f1, const Filter& f2) {
+        static inline Filter chain(const Filter& f1, const Filter& f2) {
             if (not f1) return f2;
             if (not f2) return f1;
             return [f1,f2](const Value& v) {
                 return f1(v) and f2(v);
             };
         }
-        static Filter chainAll(std::vector<Filter>&& set) {
+        static inline Filter chainAll(std::vector<Filter>&& set) {
             if (set.empty()) return {};
             return [set = std::move(set)](const Value& v) {
                 for (const auto& f : set)
@@ -200,18 +202,18 @@ struct OPENDHT_PUBLIC Value
                 return true;
             };
         }
-        static Filter chain(std::initializer_list<Filter> l) {
+        static inline Filter chain(std::initializer_list<Filter> l) {
             return chainAll(std::vector<Filter>(l.begin(), l.end()));
         }
-        static Filter chainOr(Filter&& f1, Filter&& f2) {
+        static inline Filter chainOr(Filter&& f1, Filter&& f2) {
             if (not f1 or not f2) return {};
-            return [f1,f2](const Value& v) {
+            return [f1=std::move(f1),f2=std::move(f2)](const Value& v) {
                 return f1(v) or f2(v);
             };
         }
-        static Filter notFilter(Filter&& f) {
+        static inline Filter notFilter(Filter&& f) {
             if (not f) return [](const Value&) { return false; };
-            return [f](const Value& v) { return not f(v); };
+            return [f = std::move(f)](const Value& v) { return not f(v); };
         }
         std::vector<Sp<Value>> filter(const std::vector<Sp<Value>>& values) {
             if (not (*this))
@@ -226,52 +228,51 @@ struct OPENDHT_PUBLIC Value
 
     /* Sneaky functions disguised in classes */
 
-    static const Filter AllFilter() {
+    static inline Filter AllFilter() {
         return {};
     }
 
-    static Filter TypeFilter(const ValueType& t) {
-        const auto tid = t.id;
-        return [tid](const Value& v) {
+    static inline Filter TypeFilter(const ValueType& t) {
+        return [tid = t.id](const Value& v) {
             return v.type == tid;
         };
     }
-    static Filter TypeFilter(const ValueType::Id& tid) {
+    static inline Filter TypeFilter(const ValueType::Id& tid) {
         return [tid](const Value& v) {
             return v.type == tid;
         };
     }
 
-    static Filter IdFilter(const Id id) {
+    static inline Filter IdFilter(const Id id) {
         return [id](const Value& v) {
             return v.id == id;
         };
     }
 
-    static Filter RecipientFilter(const InfoHash& r) {
+    static inline Filter RecipientFilter(const InfoHash& r) {
         return [r](const Value& v) {
             return v.recipient == r;
         };
     }
 
-    static Filter OwnerFilter(const crypto::PublicKey& pk) {
+    static inline Filter OwnerFilter(const crypto::PublicKey& pk) {
         return OwnerFilter(pk.getId());
     }
 
-    static Filter OwnerFilter(const InfoHash& pkh) {
+    static inline Filter OwnerFilter(const InfoHash& pkh) {
         return [pkh](const Value& v) {
             return v.owner and v.owner->getId() == pkh;
         };
     }
 
-    static Filter SeqNumFilter(uint16_t seq_no) {
+    static inline Filter SeqNumFilter(uint16_t seq_no) {
         return [seq_no](const Value& v) {
             return v.seq == seq_no;
         };
     }
 
-    static Filter UserTypeFilter(const std::string& ut) {
-        return [ut](const Value& v) {
+    static inline Filter UserTypeFilter(std::string ut) {
+        return [ut = std::move(ut)](const Value& v) {
             return v.user_type == ut;
         };
     }
@@ -342,10 +343,10 @@ struct OPENDHT_PUBLIC Value
         return unpack<T>(*this);
     }
 
-    bool isEncrypted() const {
+    inline bool isEncrypted() const {
         return not cypher.empty();
     }
-    bool isSigned() const {
+    inline bool isSigned() const {
         return owner and not signature.empty();
     }
 
@@ -354,37 +355,24 @@ struct OPENDHT_PUBLIC Value
      * Afterward, checkSignature() will return true and owner will
      * be set to the corresponding public key.
      */
-    void sign(const crypto::PrivateKey& key) {
-        if (isEncrypted())
-            throw DhtException("Can't sign encrypted data.");
-        owner = std::make_shared<const crypto::PublicKey>(key.getPublicKey());
-        signature = key.sign(getToSign());
-    }
+    void sign(const crypto::PrivateKey& key);
 
     /**
      * Check that the value is signed and that the signature matches.
      * If true, the owner field will contain the signer public key.
      */
-    bool checkSignature() const {
+    inline bool checkSignature() const {
         return isSigned() and owner->checkSignature(getToSign(), signature);
     }
 
-    std::shared_ptr<const crypto::PublicKey> getOwner() const {
-        return std::static_pointer_cast<const crypto::PublicKey>(owner);
+    inline std::shared_ptr<crypto::PublicKey> getOwner() const {
+        return owner;
     }
 
     /**
      * Sign the value with from and returns the encrypted version for to.
      */
-    Value encrypt(const crypto::PrivateKey& from, const crypto::PublicKey& to) {
-        if (isEncrypted())
-            throw DhtException("Data is already encrypted.");
-        setRecipient(to.getId());
-        sign(from);
-        Value nv {id};
-        nv.setCypher(to.encrypt(getToEncrypt()));
-        return nv;
-    }
+    Value encrypt(const crypto::PrivateKey& from, const crypto::PublicKey& to);
 
     Value() {}
 
@@ -439,7 +427,7 @@ struct OPENDHT_PUBLIC Value
     /**
      * Returns true if value contents are equals (not considering the value ID)
      */
-    inline bool contentEquals(const Value& o) {
+    inline bool contentEquals(const Value& o) const {
         return isEncrypted() ? cypher == o.cypher :
             ((owner == o.owner || (owner and o.owner and *owner == *o.owner))
                 && type == o.type
@@ -448,22 +436,25 @@ struct OPENDHT_PUBLIC Value
                 && signature == o.signature);
     }
 
-    inline bool operator== (const Value& o) {
+    inline bool operator== (const Value& o) const {
         return id == o.id and contentEquals(o);
     }
+    inline bool operator!= (const Value& o) const {
+        return !(*this == o);
+    }
 
-    void setRecipient(const InfoHash& r) {
+    inline void setRecipient(const InfoHash& r) {
         recipient = r;
     }
 
-    void setCypher(Blob&& c) {
+    inline void setCypher(Blob&& c) {
         cypher = std::move(c);
     }
 
     /**
      * Pack part of the data to be signed (must always be done the same way)
      */
-    Blob getToSign() const {
+    inline Blob getToSign() const {
         msgpack::sbuffer buffer;
         msgpack::packer<msgpack::sbuffer> pk(&buffer);
         msgpack_pack_to_sign(pk);
@@ -473,7 +464,7 @@ struct OPENDHT_PUBLIC Value
     /**
      * Pack part of the data to be encrypted
      */
-    Blob getToEncrypt() const {
+    inline Blob getToEncrypt() const {
         msgpack::sbuffer buffer;
         msgpack::packer<msgpack::sbuffer> pk(&buffer);
         msgpack_pack_to_encrypt(pk);
@@ -483,7 +474,7 @@ struct OPENDHT_PUBLIC Value
     /** print value for debugging */
     OPENDHT_PUBLIC friend std::ostream& operator<< (std::ostream& s, const Value& v);
 
-    std::string toString() const {
+    inline std::string toString() const {
         std::stringstream ss;
         ss << *this;
         return ss.str();
@@ -595,7 +586,7 @@ struct OPENDHT_PUBLIC Value
     /**
      * Public key of the signer.
      */
-    std::shared_ptr<const crypto::PublicKey> owner {};
+    std::shared_ptr<crypto::PublicKey> owner {};
 
     /**
      * Hash of the recipient (optional).
@@ -637,8 +628,16 @@ struct OPENDHT_PUBLIC Value
      */
     unsigned priority {0};
 
+    inline bool isSignatureChecked() const {
+        return signatureChecked;
+    }
+    inline bool isDecrypted() const {
+        return decrypted;
+    }
+    bool checkSignature();
+    Sp<Value> decrypt(const crypto::PrivateKey& key);
+
 private:
-    friend class SecureDht;
     /* Cache for crypto ops */
     bool signatureChecked {false};
     bool signatureValid {false};
@@ -660,7 +659,7 @@ struct OPENDHT_PUBLIC FieldValue
     FieldValue() {}
     FieldValue(Value::Field f, uint64_t int_value) : field(f), intValue(int_value) {}
     FieldValue(Value::Field f, InfoHash hash_value) : field(f), hashValue(hash_value) {}
-    FieldValue(Value::Field f, Blob blob_value) : field(f), blobValue(blob_value) {}
+    FieldValue(Value::Field f, Blob blob_value) : field(f), blobValue(std::move(blob_value)) {}
 
     bool operator==(const FieldValue& fd) const;
 
@@ -673,9 +672,9 @@ struct OPENDHT_PUBLIC FieldValue
     template <typename Packer>
     void msgpack_pack(Packer& p) const {
         p.pack_map(2);
-        p.pack(std::string("f")); p.pack(static_cast<uint8_t>(field));
+        p.pack("f"sv); p.pack(static_cast<uint8_t>(field));
 
-        p.pack(std::string("v"));
+        p.pack("v"sv);
         switch (field) {
             case Value::Field::Id:
             case Value::Field::ValueType:
@@ -697,12 +696,12 @@ struct OPENDHT_PUBLIC FieldValue
         hashValue = {};
         blobValue.clear();
 
-        if (auto f = findMapValue(msg, "f"))
+        if (auto f = findMapValue(msg, "f"sv))
             field = (Value::Field)f->as<unsigned>();
         else
             throw msgpack::type_error();
 
-        auto v = findMapValue(msg, "v");
+        auto v = findMapValue(msg, "v"sv);
         if (not v)
             throw msgpack::type_error();
         else
@@ -742,7 +741,7 @@ private:
 struct OPENDHT_PUBLIC Select
 {
     Select() { }
-    Select(const std::string& q_str);
+    Select(std::string_view q_str);
 
     bool isSatisfiedBy(const Select& os) const;
 
@@ -797,7 +796,7 @@ private:
 struct OPENDHT_PUBLIC Where
 {
     Where() { }
-    Where(const std::string& q_str);
+    Where(std::string_view q_str);
 
     bool isSatisfiedBy(const Where& where) const;
 
@@ -808,11 +807,11 @@ struct OPENDHT_PUBLIC Where
      *
      * @return the resulting Where instance.
      */
-    Where& id(Value::Id id) {
+    Where&& id(Value::Id id) {
         FieldValue fv {Value::Field::Id, id};
         if (std::find(filters_.begin(), filters_.end(), fv) == filters_.end())
             filters_.emplace_back(std::move(fv));
-        return *this;
+        return std::move(*this);
     }
 
     /**
@@ -822,11 +821,11 @@ struct OPENDHT_PUBLIC Where
      *
      * @return the resulting Where instance.
      */
-    Where& valueType(ValueType::Id type) {
+    Where&& valueType(ValueType::Id type) {
         FieldValue fv {Value::Field::ValueType, type};
         if (std::find(filters_.begin(), filters_.end(), fv) == filters_.end())
             filters_.emplace_back(std::move(fv));
-        return *this;
+        return std::move(*this);
     }
 
     /**
@@ -836,11 +835,11 @@ struct OPENDHT_PUBLIC Where
      *
      * @return the resulting Where instance.
      */
-    Where& owner(InfoHash owner_pk_hash) {
+    Where&& owner(InfoHash owner_pk_hash) {
         FieldValue fv {Value::Field::OwnerPk, owner_pk_hash};
         if (std::find(filters_.begin(), filters_.end(), fv) == filters_.end())
             filters_.emplace_back(std::move(fv));
-        return *this;
+        return std::move(*this);
     }
 
     /**
@@ -850,11 +849,11 @@ struct OPENDHT_PUBLIC Where
      *
      * @return the resulting Where instance.
      */
-    Where& seq(uint16_t seq_no) {
+    Where&& seq(uint16_t seq_no) {
         FieldValue fv {Value::Field::SeqNum, seq_no};
         if (std::find(filters_.begin(), filters_.end(), fv) == filters_.end())
             filters_.emplace_back(std::move(fv));
-        return *this;
+        return std::move(*this);
     }
 
     /**
@@ -864,11 +863,11 @@ struct OPENDHT_PUBLIC Where
      *
      * @return the resulting Where instance.
      */
-    Where& userType(std::string user_type) {
+    Where&& userType(std::string_view user_type) {
         FieldValue fv {Value::Field::UserType, Blob {user_type.begin(), user_type.end()}};
         if (std::find(filters_.begin(), filters_.end(), fv) == filters_.end())
             filters_.emplace_back(std::move(fv));
-        return *this;
+        return std::move(*this);
     }
 
     /**
@@ -877,7 +876,10 @@ struct OPENDHT_PUBLIC Where
      * @return the resulting Value::Filter.
      */
     Value::Filter getFilter() const {
-        if (filters_.empty()) return {};
+        if (filters_.empty())
+            return {};
+        if (filters_.size() == 1)
+            return filters_[0].getLocalFilter();
         std::vector<Value::Filter> fset;
         fset.reserve(filters_.size());
         for (const auto& f : filters_) {
@@ -937,11 +939,11 @@ struct OPENDHT_PUBLIC Query
      *  - $string$: a simple string WITHOUT SPACES.
      *  - $integer$: a simple integer.
      */
-    Query(std::string q_str) {
+    Query(std::string_view q_str) {
         auto pos_W = q_str.find("WHERE");
         auto pos_w = q_str.find("where");
-        auto pos = std::min(pos_W != std::string::npos ? pos_W : q_str.size(),
-                            pos_w != std::string::npos ? pos_w : q_str.size());
+        auto pos = std::min(pos_W != std::string_view::npos ? pos_W : q_str.size(),
+                            pos_w != std::string_view::npos ? pos_w : q_str.size());
         select = q_str.substr(0, pos);
         where = q_str.substr(pos, q_str.size()-pos);
     }

m4/ax_cxx_compile_stdcxx.m4

@@ -10,13 +10,13 @@
 #
 #   Check for baseline language coverage in the compiler for the specified
 #   version of the C++ standard.  If necessary, add switches to CXX and
-#   CXXCPP to enable support.  VERSION may be '11' (for the C++11 standard)
-#   or '14' (for the C++14 standard).
+#   CXXCPP to enable support.  VERSION may be '11', '14', '17', or '20' for
+#   the respective C++ standard version.
 #
 #   The second argument, if specified, indicates whether you insist on an
 #   extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
 #   -std=c++11).  If neither is specified, you get whatever works, with
-#   preference for an extended mode.
+#   preference for no added switch, and then for an extended mode.
 #
 #   The third argument, if specified 'mandatory' or if left unspecified,
 #   indicates that baseline support for the specified C++ standard is
@@ -35,13 +35,15 @@
 #   Copyright (c) 2015 Moritz Klammler <moritz@klammler.eu>
 #   Copyright (c) 2016, 2018 Krzesimir Nowak <qdlacz@gmail.com>
 #   Copyright (c) 2019 Enji Cooper <yaneurabeya@gmail.com>
+#   Copyright (c) 2020 Jason Merrill <jason@redhat.com>
+#   Copyright (c) 2021 Jörn Heusipp <osmanx@problemloesungsmaschine.de>
 #
 #   Copying and distribution of this file, with or without modification, are
 #   permitted in any medium without royalty provided the copyright notice
 #   and this notice are preserved.  This file is offered as-is, without any
 #   warranty.
 
-#serial 11
+#serial 14
 
 dnl  This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro
 dnl  (serial version number 13).
@@ -50,6 +52,7 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
   m4_if([$1], [11], [ax_cxx_compile_alternatives="11 0x"],
         [$1], [14], [ax_cxx_compile_alternatives="14 1y"],
         [$1], [17], [ax_cxx_compile_alternatives="17 1z"],
+        [$1], [20], [ax_cxx_compile_alternatives="20"],
         [m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl
   m4_if([$2], [], [],
         [$2], [ext], [],
@@ -62,6 +65,16 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
   AC_LANG_PUSH([C++])dnl
   ac_success=no
 
+  m4_if([$2], [], [dnl
+    AC_CACHE_CHECK(whether $CXX supports C++$1 features by default,
+		   ax_cv_cxx_compile_cxx$1,
+      [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
+        [ax_cv_cxx_compile_cxx$1=yes],
+        [ax_cv_cxx_compile_cxx$1=no])])
+    if test x$ax_cv_cxx_compile_cxx$1 = xyes; then
+      ac_success=yes
+    fi])
+
   m4_if([$2], [noext], [], [dnl
   if test x$ac_success = xno; then
     for alternative in ${ax_cxx_compile_alternatives}; do
@@ -140,7 +153,6 @@ m4_define([_AX_CXX_COMPILE_STDCXX_testbody_11],
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
 )
 
-
 dnl  Test body for checking C++14 support
 
 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
@@ -148,12 +160,24 @@ m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
 )
 
+dnl  Test body for checking C++17 support
+
 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_17],
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_17
 )
 
+dnl  Test body for checking C++20 support
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_20],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_17
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_20
+)
+
+
 dnl  Tests for new features in C++11
 
 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_11], [[
@@ -949,3 +973,33 @@ namespace cxx17
 #endif  // __cplusplus < 201703L
 
 ]])
+
+
+dnl  Tests for new features in C++20
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_20], [[
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus < 202002L
+
+#error "This is not a C++20 compiler"
+
+#else
+
+#include <version>
+
+namespace cxx20
+{
+
+// As C++20 supports feature test macros in the standard, there is no
+// immediate need to actually test for feature availability on the
+// Autoconf side.
+
+}  // namespace cxx20
+
+#endif  // __cplusplus < 202002L
+
+]])

opendht.pc.in

@@ -3,7 +3,7 @@ exec_prefix=@exec_prefix@
 libdir=@libdir@
 includedir=@includedir@
 Name: OpenDHT
-Description: C++14 Distributed Hash Table library
+Description: C++17 Distributed Hash Table library
 Version: @VERSION@
 Libs: -L${libdir} -lopendht
 Libs.private: @http_parser_lib@ -pthread

python/CMakeLists.txt

@@ -3,10 +3,15 @@ set(CURRENT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
 set(CURRENT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 
 configure_file(setup.py.in setup.py)
+configure_file(pyproject.toml pyproject.toml COPYONLY)
 
 add_custom_target(python ALL
     COMMAND python3 setup.py build
-    DEPENDS opendht opendht_cpp.pxd opendht.pyx)
+    DEPENDS opendht opendht_cpp.pxd opendht.pyx pyproject.toml)
+
+add_custom_target(dist
+    COMMAND python3 -m build
+    DEPENDS opendht opendht_cpp.pxd opendht.pyx pyproject.toml)
 
 install(CODE "execute_process(COMMAND python3 setup.py install --root=\$ENV{DESTDIR}/ WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})")
 if (OPENDHT_TOOLS)

python/Makefile.am

@@ -2,7 +2,8 @@ if USE_CYTHON
 
 noinst_HEADERS = \
 	opendht.pyx \
-	opendht_cpp.pxd
+	opendht_cpp.pxd \
+	pyproject.toml
 
 PYTHON_INSTALL_RECORD = $(builddir)/install_record.txt
 

python/opendht.pyx

@@ -1,11 +1,11 @@
 # distutils: language = c++
-# distutils: extra_compile_args = -std=c++14
+# distutils: extra_compile_args = -std=c++17
 # distutils: include_dirs = ../../include
 # distutils: library_dirs = ../../src
 # distutils: libraries = opendht gnutls
 # cython: language_level=3
 #
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author(s): Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
 #            Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
@@ -36,6 +36,7 @@ from libcpp.memory cimport shared_ptr
 from cython.parallel import parallel, prange
 from cython.operator cimport dereference as deref, preincrement as inc, predecrement as dec
 from cpython cimport ref
+from datetime import timedelta
 
 cimport opendht_cpp as cpp
 
@@ -235,8 +236,9 @@ cdef class Where(object):
 
 cdef class Value(object):
     cdef shared_ptr[cpp.Value] _value
-    def __init__(self, bytes val=b''):
-        self._value.reset(new cpp.Value(val, len(val)))
+    def __init__(self, bytes val=b'', cpp.uint16_t id=0):
+        self._value.reset(new cpp.Value(id, val, len(val)))
+
     def __str__(self):
         return self._value.get().toString().decode()
     property owner:
@@ -270,6 +272,14 @@ cdef class Value(object):
         def __get__(self):
             return self._value.get().size()
 
+cdef class ValueType(object):
+    cdef cpp.ValueType * _value
+    def __init__(self, cpp.uint16_t id, str name, expiration: timedelta):
+        if not isinstance(expiration, timedelta):
+            raise TypeError("expiration argument must be of type timedelta")
+        cdef cpp.seconds duration = cpp.seconds(int(expiration.total_seconds()))
+        self._value =  new cpp.ValueType(id, name.encode(), duration)
+
 cdef class NodeSetIter(object):
     cdef map[cpp.InfoHash, shared_ptr[cpp.Node]]* _nodes
     cdef map[cpp.InfoHash, shared_ptr[cpp.Node]].iterator _curIter
@@ -319,11 +329,11 @@ cdef class PrivateKey(_WithID):
     cdef shared_ptr[cpp.PrivateKey] _key
     def getId(self):
         h = InfoHash()
-        h._infohash = self._key.get().getPublicKey().getId()
+        h._infohash = self._key.get().getSharedPublicKey().get().getId()
         return h
     def getPublicKey(self):
         pk = PublicKey()
-        pk._key = self._key.get().getPublicKey()
+        pk._key = self._key.get().getSharedPublicKey()
         return pk
     def decrypt(self, bytes dat):
         cdef size_t d_len = len(dat)
@@ -348,17 +358,17 @@ cdef class PrivateKey(_WithID):
         return k
 
 cdef class PublicKey(_WithID):
-    cdef cpp.PublicKey _key
+    cdef cpp.shared_ptr[cpp.PublicKey] _key
     def getId(self):
         h = InfoHash()
-        h._infohash = self._key.getId()
+        h._infohash = self._key.get().getId()
         return h
     def encrypt(self, bytes dat):
         cdef size_t d_len = len(dat)
         cdef cpp.uint8_t* d_ptr = <cpp.uint8_t*>dat
         cdef cpp.Blob indat
         indat.assign(d_ptr, <cpp.uint8_t*>(d_ptr + d_len))
-        cdef cpp.Blob encrypted = self._key.encrypt(indat)
+        cdef cpp.Blob encrypted = self._key.get().encrypt(indat)
         cdef char* encrypted_c_str = <char *>encrypted.data()
         cdef Py_ssize_t length = encrypted.size()
         return encrypted_c_str[:length]
@@ -430,7 +440,7 @@ cdef class Identity(object):
     property publickey:
         def __get__(self):
             k = PublicKey()
-            k._key = self._id.first.get().getPublicKey()
+            k._key = self._id.first.get().getSharedPublicKey()
             return k
     property certificate:
         def __get__(self):
@@ -513,6 +523,8 @@ cdef class DhtRunner(_WithID):
         cb_obj = {'shutdown':shutdown_cb}
         ref.Py_INCREF(cb_obj)
         self.thisptr.get().shutdown(cpp.bindShutdownCb(shutdown_callback, <void*>cb_obj))
+    def registerType(self, ValueType type):
+        self.thisptr.get().registerType(deref(type._value))
     def enableLogging(self):
         cpp.enableLogging(self.thisptr.get()[0])
     def disableLogging(self):

python/opendht_cpp.pxd

@@ -1,4 +1,4 @@
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #
@@ -26,6 +26,14 @@ 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 cppclass duration[ulong]:
+        duration() except +
+
+    cdef cppclass seconds:
+        duration seconds(uint64_t) except +
+        duration seconds()
+
 cdef extern from "<memory>" namespace "std" nogil:
     cdef cppclass shared_ptr[T]:
         shared_ptr() except +
@@ -89,7 +97,7 @@ cdef extern from "opendht/crypto.h" namespace "dht::crypto":
 
     cdef cppclass PrivateKey:
         PrivateKey()
-        PublicKey getPublicKey() const
+        shared_ptr[PublicKey] getSharedPublicKey() const
         Blob decrypt(Blob data) const
         @staticmethod
         PrivateKey generate()
@@ -131,7 +139,6 @@ cdef extern from "opendht/value.h" namespace "dht::Value":
 cdef extern from "opendht/value.h" namespace "dht::Value::Field":
     cdef Field None
     cdef Field Id
-    cdef Field ValueType
     cdef Field OwnerPk
     cdef Field SeqNum
     cdef Field UserType
@@ -141,7 +148,7 @@ cdef extern from "opendht/value.h" namespace "dht":
     cdef cppclass Value:
         Value() except +
         Value(vector[uint8_t]) except +
-        Value(const uint8_t* dat_ptr, size_t dat_len) except +
+        Value(const uint16_t t, const uint8_t* dat_ptr, size_t dat_len) except +
         string toString() const
         size_t size() const
         uint64_t id
@@ -150,6 +157,12 @@ cdef extern from "opendht/value.h" namespace "dht":
         vector[uint8_t] data
         string user_type
 
+    cdef cppclass ValueType:
+        ValueType(uint16_t id, string name, seconds expiration) except +
+        uint16_t id
+        string name
+        seconds expiration
+
     cdef cppclass Query:
         Query() except +
         Query(Select s, Where w) except +
@@ -234,6 +247,7 @@ cdef extern from "opendht/dhtrunner.h" namespace "dht":
         void run(const_char*, const_char*, const_char*, Config config)
         void join()
         void shutdown(ShutdownCallback)
+        void registerType(ValueType& value);
         bool isRunning()
         SockAddr getBound(sa_family_t af) const
         string getStorageLog() const

python/pyproject.toml

@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools", "wheel", "Cython"]
+build-backend = "setuptools.build_meta"

python/setup.py.in

@@ -1,4 +1,4 @@
-# Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
 # Author: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
@@ -50,8 +50,8 @@ setup(name="opendht",
           ["@CURRENT_SOURCE_DIR@/opendht.pyx"],
           include_dirs = ['@PROJECT_SOURCE_DIR@/include'],
           language="c++",
-          extra_compile_args=["-std=c++14"],
-          extra_link_args=["-std=c++14"],
+          extra_compile_args=["-std=c++17"],
+          extra_link_args=["-std=c++17"],
           libraries=["opendht"],
           library_dirs = ['@CURRENT_BINARY_DIR@', '@PROJECT_BINARY_DIR@']
       ))

python/tools/README.md

@@ -20,7 +20,7 @@ help).
 
 ## Python dependencies
 
-- pyroute2 >=0.3.14
+- pyroute2 >=0.6.9
 - matplotlib
 - GeoIP (used by `scanner.py` for drawing map of the world)
 - ipaddress

python/tools/benchmark.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #

python/tools/dht/network.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #
@@ -30,7 +30,7 @@ import traceback
 import ipaddress
 import netifaces
 import numpy as np
-from pyroute2.netns.process.proxy import NSPopen
+from pyroute2 import NSPopen
 import msgpack
 
 from opendht import *

python/tools/dht/tests.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2015-2019 Savoir-Faire Linux Inc.
+# Copyright (C) 2015-2022 Savoir-Faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 

python/tools/dht/virtual_network_builder.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -15,107 +15,253 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; If not, see <http://www.gnu.org/licenses/>.
+import argparse
+import os
+import subprocess
 
-import argparse, subprocess
+from pyroute2 import NDB, NSPopen
 
-from pyroute2 import IPDB, NetNS
-from pyroute2.netns.process.proxy import NSPopen
 
-if __name__ == "__main__":
-    parser = argparse.ArgumentParser(description='Creates a virtual network topology for testing')
-    parser.add_argument('-i', '--ifname', help='interface name', default='ethdht')
-    parser.add_argument('-n', '--ifnum', type=int, help='number of isolated interfaces to create', default=1)
-    parser.add_argument('-r', '--remove', help='remove instead of adding network interfaces', action="store_true")
-    parser.add_argument('-l', '--loss', help='simulated packet loss (percent)', type=int, default=0)
-    parser.add_argument('-d', '--delay', help='simulated latency (ms)', type=int, default=0)
-    parser.add_argument('-4', '--ipv4', help='Enable IPv4', action="store_true")
-    parser.add_argument('-6', '--ipv6', help='Enable IPv6', action="store_true")
+def int_range(mini, maxi):
+    def check_ifnum(arg):
+        try:
+            ret = int(arg)
+        except ValueError:
+            raise argparse.ArgumentTypeError('must be an integer')
+        if ret > maxi or ret < mini:
+            raise argparse.ArgumentTypeError(
+                f'must be {mini} <= int <= {maxi}'
+            )
+        return ret
+
+    return check_ifnum
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(
+        description='Creates a virtual network topology for testing'
+    )
+    parser.add_argument(
+        '-i', '--ifname', help='interface name', default='ethdht'
+    )
+    parser.add_argument(
+        '-n',
+        '--ifnum',
+        type=int_range(1, 245),
+        help='number of isolated interfaces to create',
+        default=1,
+    )
+    parser.add_argument(
+        '-r',
+        '--remove',
+        help='remove instead of adding network interfaces',
+        action='store_true',
+    )
+    parser.add_argument(
+        '-l',
+        '--loss',
+        help='simulated packet loss (percent)',
+        type=int,
+        default=0,
+    )
+    parser.add_argument(
+        '-d', '--delay', help='simulated latency (ms)', type=int, default=0
+    )
+    parser.add_argument(
+        '-4', '--ipv4', help='Enable IPv4', action='store_true'
+    )
+    parser.add_argument(
+        '-6', '--ipv6', help='Enable IPv6', action='store_true'
+    )
+    parser.add_argument(
+        '-b',
+        '--debug',
+        help='Turn on debug logging and dump topology databases',
+        action='store_true',
+    )
+    parser.add_argument(
+        '-v',
+        '--verbose',
+        help='Turn on verbose output on netns and interfaces operations',
+        action='store_true',
+    )
 
     args = parser.parse_args()
 
     local_addr4 = '10.0.42.'
     local_addr6 = '2001:db9::'
-    brige_name = 'br'+args.ifname
+    bripv4 = f'{local_addr4}1/24'
+    bripv6 = f'{local_addr6}1/64'
+    bridge_name = f'br{args.ifname}'
+    tap_name = f'tap{args.ifname}'
+    veth_names = []
+    namespaces = []
+    ipv4addrs = []
+    ipv6addrs = []
+    for ifn in range(args.ifnum):
+        namespaces.append(f'node{ifn}')
+        veth_names.append(f'{args.ifname}{ifn}')
+        ipv4addrs.append(f'{local_addr4}{ifn+8}/24' if args.ipv4 else None)
+        ipv6addrs.append(f'{local_addr6}{ifn+8}/64' if args.ipv6 else None)
 
-    ip = None
-    try:
-        ip = IPDB()
+    with NDB(log='debug' if args.debug else None) as ndb:
         if args.remove:
-            # cleanup interfaces
-            for ifn in range(args.ifnum):
-                iface = args.ifname+str(ifn)
-                if iface in ip.interfaces:
-                    with ip.interfaces[iface] as i:
-                        i.remove()
-            if 'tap'+args.ifname in ip.interfaces:
-                with ip.interfaces['tap'+args.ifname] as i:
-                    i.remove()
-            if brige_name in ip.interfaces:
-                with ip.interfaces[brige_name] as i:
-                    i.remove()
-            for ifn in range(args.ifnum):
-                netns = NetNS('node'+str(ifn))
-                netns.close()
-                netns.remove()
-        else:
-            for ifn in range(args.ifnum):
-                iface = args.ifname+str(ifn)
-                if not iface in ip.interfaces:
-                    ip.create(kind='veth', ifname=iface, peer=iface+'.1').commit()
+            # cleanup interfaces in the main namespace
+            for iface in veth_names + [bridge_name] + [tap_name]:
+                if iface in ndb.interfaces:
+                    ndb.interfaces[iface].remove().commit()
+                    if args.verbose:
+                        print(f'link: del main/{iface}')
 
-            ip.create(kind='tuntap', ifname='tap'+args.ifname, mode='tap').commit()
-
-            with ip.create(kind='bridge', ifname=brige_name) as i:
-                for ifn in range(args.ifnum):
-                    iface = args.ifname+str(ifn)
-                    i.add_port(ip.interfaces[iface])
-                i.add_port(ip.interfaces['tap'+args.ifname])
-                if args.ipv4:
-                    i.add_ip(local_addr4+'1/24')
-                if args.ipv6:
-                    i.add_ip(local_addr6+'1/64')
-                i.up()
-
-            with ip.interfaces['tap'+args.ifname] as tap:
-                tap.up()
-
-            for ifn in range(args.ifnum):
-                iface = args.ifname+str(ifn)
-
-                nns = NetNS('node'+str(ifn))
-                iface1 = iface+'.1'
-                with ip.interfaces[iface1] as i:
-                    i.net_ns_fd = nns.netns
-
-                with ip.interfaces[iface] as i:
-                    i.up()
-
-                ip_ns = IPDB(nl=nns)
+            # cleanup namespaces
+            for nsname in namespaces:
                 try:
-                    with ip_ns.interfaces.lo as lo:
-                        lo.up()
-                    with ip_ns.interfaces[iface1] as i:
-                        if args.ipv4:
-                            i.add_ip(local_addr4+str(ifn+8)+'/24')
-                        if args.ipv6:
-                            i.add_ip(local_addr6+str(ifn+8)+'/64')
-                        i.up()
-                finally:
-                    ip_ns.release()
-
-                nsp = NSPopen(nns.netns, ["tc", "qdisc", "add", "dev", iface1, "root", "netem", "delay", str(args.delay)+"ms", str(int(args.delay/2))+"ms", "loss", str(args.loss)+"%", "25%"], stdout=subprocess.PIPE)
-                #print(nsp.communicate()[0].decode())
+                    ndb.netns[nsname].remove().commit()
+                    if args.verbose:
+                        print(f'netns: del {nsname}')
+                except KeyError:
+                    pass
+        else:
+            # create ports
+            for veth, nsname, ipv4addr, ipv6addr in zip(
+                veth_names, namespaces, ipv4addrs, ipv6addrs
+            ):
+                # create a network namespace and launch NDB for it
+                #
+                # another possible solution could be simply to attach
+                # the namespace to the main NDB instance, but it can
+                # take a lot of memory in case of many interfaces, thus
+                # launch and discard netns NDB instances
+                netns = NDB(
+                    log='debug' if args.debug else None,
+                    sources=[
+                        {
+                            'target': 'localhost',
+                            'netns': nsname,
+                            'kind': 'netns',
+                        }
+                    ],
+                )
+                if args.verbose:
+                    print(f'netns: add {nsname}')
+                # create the port and push the peer into the namespace
+                (
+                    ndb.interfaces.create(
+                        **{
+                            'ifname': veth,
+                            'kind': 'veth',
+                            'state': 'up',
+                            'peer': {'ifname': veth, 'net_ns_fd': nsname},
+                        }
+                    ).commit()
+                )
+                if args.verbose:
+                    print(f'link: add main/{veth} <-> {nsname}/{veth}')
+                # bring up namespace's loopback
+                (
+                    netns.interfaces.wait(ifname='lo', timeout=3)
+                    .set('state', 'up')
+                    .commit()
+                )
+                if args.verbose:
+                    print(f'link: set {nsname}/lo')
+                # bring up the peer
+                with netns.interfaces.wait(ifname=veth, timeout=3) as i:
+                    i.set('state', 'up')
+                    if args.ipv4:
+                        i.add_ip(ipv4addr)
+                    if args.ipv6:
+                        i.add_ip(ipv6addr)
+                if args.verbose:
+                    print(f'link: set {nsname}/{veth}, {ipv4addr}, {ipv6addr}')
+                # disconnect the namespace NDB agent, not removing the NS
+                if args.debug:
+                    fname = f'{nsname}-ndb.db'
+                    print(f'dump: netns topology database {fname}')
+                    netns.schema.backup(fname)
+                netns.close()
+                # set up the emulation QDisc
+                nsp = NSPopen(
+                    nsname,
+                    [
+                        'tc',
+                        'qdisc',
+                        'add',
+                        'dev',
+                        veth,
+                        'root',
+                        'netem',
+                        'delay',
+                        f'{args.delay}ms',
+                        f'{int(args.delay)/2}ms',
+                        'loss',
+                        f'{args.loss}%',
+                        '25%',
+                    ],
+                    stdout=subprocess.PIPE,
+                )
                 nsp.communicate()
                 nsp.wait()
                 nsp.release()
+                if args.verbose:
+                    print(
+                        f'netem: add {nsname}/{veth}, '
+                        f'{args.delay}, {args.loss}'
+                    )
 
-            if args.ipv4:
-                subprocess.call(["sysctl", "-w", "net.ipv4.conf."+brige_name+".forwarding=1"])
-            if args.ipv6:
-                subprocess.call(["sysctl", "-w", "net.ipv6.conf."+brige_name+".forwarding=1"])
+            # create the tap
+            #
+            # for some reason we should create the tap inteface first,
+            # and only then bring it up, thus two commit() calls
+            (
+                ndb.interfaces.create(
+                    kind='tuntap', ifname=tap_name, mode='tap'
+                )
+                .commit()
+                .set('state', 'up')
+                .commit()
+            )
+            if args.verbose:
+                print(f'link: add main/{tap_name}')
 
-    except Exception as e:
-          print('Error',e)
-    finally:
-        if ip:
-            ip.release()
+            # create the bridge and add all the ports
+            with ndb.interfaces.create(
+                ifname=bridge_name, kind='bridge', state='up'
+            ) as i:
+                if args.ipv4:
+                    i.add_ip(bripv4)
+                if args.ipv6:
+                    i.add_ip(bripv6)
+                for iface in veth_names + [tap_name]:
+                    i.add_port(iface)
+            if args.verbose:
+                print(f'link: add main/{bridge_name}, {bripv4}, {bripv6}')
+
+            with open(os.devnull, 'w') as fnull:
+                if args.ipv4:
+                    subprocess.call(
+                        [
+                            'sysctl',
+                            '-w',
+                            f'net.ipv4.conf.{bridge_name}.forwarding=1',
+                        ],
+                        stdout=fnull,
+                    )
+                if args.verbose:
+                    print(f'sysctl: set {bridge_name} ipv4 forwarding')
+                if args.ipv6:
+                    subprocess.call(
+                        [
+                            'sysctl',
+                            '-w',
+                            f'net.ipv6.conf.{bridge_name}.forwarding=1',
+                        ],
+                        stdout=fnull,
+                    )
+                if args.verbose:
+                    print(f'sysctl: set {bridge_name} ipv4 forwarding')
+
+            if args.debug:
+                fname = 'main-ndb.db'
+                print('dump: the main netns topology database')
+                ndb.schema.backup(fname)

python/tools/dhtcluster.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/http_server.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2016-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2016-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/network_monitor.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/pingpong.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/scanner.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

rust/Cargo.toml

@@ -8,4 +8,4 @@ edition = "2018"
 
 [dependencies]
 libc="0.2.0"
-os_socketaddr="0.1.0"
+os_socketaddr="0.2.3"

rust/examples/dhtnode.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/blob.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/crypto.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/dhtrunner.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -47,6 +47,8 @@ impl DhtRunnerConfig {
             proxy_server: ptr::null(),
             push_node_id: ptr::null(),
             push_token: ptr::null(),
+            push_topic: ptr::null(),
+            push_platform: ptr::null(),
             peer_discovery: false,
             peer_publish: false,
             server_ca: ptr::null_mut(),
@@ -73,6 +75,14 @@ impl DhtRunnerConfig {
         self.push_token = CString::new(push_token).unwrap().as_ptr();
     }
 
+    pub fn set_push_topic(&mut self, push_topic: &str) {
+        self.push_topic = CString::new(push_topic).unwrap().as_ptr();
+    }
+
+    pub fn set_push_platform(&mut self, push_platform: &str) {
+        self.push_platform = CString::new(push_platform).unwrap().as_ptr();
+    }
+
     pub fn set_identity(&mut self, certificate: Box<DhtCertificate>, privatekey: Box<PrivateKey>) {
         self.dht_config.id.privatekey = Box::into_raw(privatekey);
         self.dht_config.id.certificate = Box::into_raw(certificate);

rust/src/ffi.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -118,6 +118,8 @@ pub struct DhtRunnerConfig
     pub proxy_server: *const c_char,
     pub push_node_id: *const c_char,
     pub push_token: *const c_char,
+    pub push_topic: *const c_char,
+    pub push_platform: *const c_char,
     pub peer_discovery: bool,
     pub peer_publish: bool,
     pub server_ca: *mut DhtCertificate,

rust/src/infohash.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/lib.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/pkid.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/value.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

src/Makefile.am

@@ -2,7 +2,7 @@ lib_LTLIBRARIES = libopendht.la
 
 libopendht_la_CPPFLAGS = @CPPFLAGS@ -I$(top_srcdir)/include/opendht @Argon2_CFLAGS@ @JsonCpp_CFLAGS@ @MsgPack_CFLAGS@ @OpenSSL_CFLAGS@ @Fmt_CFLAGS@
 libopendht_la_LIBADD   = @Argon2_LIBS@ @JsonCpp_LIBS@ @GnuTLS_LIBS@ @Nettle_LIBS@ @OpenSSL_LIBS@ @Fmt_LIBS@
-libopendht_la_LDFLAGS  = @LDFLAGS@ @Argon2_LDFLAGS@ -version-number @OPENDHT_MAJOR_VERSION@:@OPENDHT_MINOR_VERSION@:@OPENDHT_PATCH_VERSION@
+libopendht_la_LDFLAGS  = @LDFLAGS@ -version-number @OPENDHT_MAJOR_VERSION@:@OPENDHT_MINOR_VERSION@:@OPENDHT_PATCH_VERSION@
 libopendht_la_SOURCES  = \
         dht.cpp \
         storage.h \
@@ -71,8 +71,8 @@ endif
 
 libopendht_la_SOURCES += base64.h base64.cpp
 if PROXY_CLIENT_OR_SERVER
-libopendht_la_SOURCES += http.cpp
-nobase_include_HEADERS += ../include/opendht/proxy.h ../include/opendht/http.h
+libopendht_la_SOURCES += http.cpp compat/os_cert.cpp
+nobase_include_HEADERS += ../include/opendht/proxy.h ../include/opendht/http.h compat/os_cert.h
 endif
 
 if ENABLE_PEER_DISCOVERY
@@ -84,33 +84,3 @@ if ENABLE_INDEXATION
 libopendht_la_SOURCES += indexation/pht.cpp
 nobase_include_HEADERS += ../include/opendht/indexation/pht.h
 endif
-
-clean-local:
-	rm -rf libargon2.la
-
-######################
-#  ARGON2 submodule  #
-######################
-
-if WITH_INCLUDED_ARGON2
-noinst_LTLIBRARIES         = libargon2.la
-libopendht_la_DEPENDENCIES = libargon2.la
-
-libargon2_la_CFLAGS  = -std=c89 -fPIC -pthread -O3 -Wall -I@top_builddir@/argon2/include -I@top_builddir@/argon2/src
-libargon2_la_SOURCES = \
-        @top_builddir@/argon2/src/argon2.c \
-        @top_builddir@/argon2/src/core.c \
-        @top_builddir@/argon2/src/blake2/blake2b.c \
-        @top_builddir@/argon2/src/thread.c \
-        @top_builddir@/argon2/src/ref.c \
-        @top_builddir@/argon2/src/encoding.c
-
-noinst_HEADERS = \
-        @top_builddir@/argon2/include/argon2.h \
-        @top_builddir@/argon2/src/blake2/blake2.h \
-        @top_builddir@/argon2/src/blake2/blake2-impl.h \
-        @top_builddir@/argon2/src/blake2/blamka-round-ref.h \
-        @top_builddir@/argon2/src/core.h \
-        @top_builddir@/argon2/src/encoding.h \
-        @top_builddir@/argon2/src/thread.h
-endif

src/base64.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 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

src/base64.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 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

src/callbacks.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -26,7 +26,7 @@ namespace dht {
 
 
 GetCallbackSimple
-bindGetCb(const GetCallbackRaw& raw_cb, void* user_data)
+bindGetCb(GetCallbackRaw raw_cb, void* user_data)
 {
     if (not raw_cb) return {};
     return [=](const std::shared_ptr<Value>& value) {
@@ -35,10 +35,10 @@ bindGetCb(const GetCallbackRaw& raw_cb, void* user_data)
 }
 
 GetCallback
-bindGetCb(const GetCallbackSimple& cb)
+bindGetCb(GetCallbackSimple cb)
 {
     if (not cb) return {};
-    return [=](const std::vector<std::shared_ptr<Value>>& values) {
+    return [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& values) {
         for (const auto& v : values)
             if (not cb(v))
                 return false;
@@ -47,7 +47,7 @@ bindGetCb(const GetCallbackSimple& cb)
 }
 
 ValueCallback
-bindValueCb(const ValueCallbackRaw& raw_cb, void* user_data)
+bindValueCb(ValueCallbackRaw raw_cb, void* user_data)
 {
     if (not raw_cb) return {};
     return [=](const std::vector<std::shared_ptr<Value>>& values, bool expired) {
@@ -59,7 +59,7 @@ bindValueCb(const ValueCallbackRaw& raw_cb, void* user_data)
 }
 
 ShutdownCallback
-bindShutdownCb(const ShutdownCallbackRaw& shutdown_cb_raw, void* user_data)
+bindShutdownCb(ShutdownCallbackRaw shutdown_cb_raw, void* user_data)
 {
     return [=]() { shutdown_cb_raw(user_data); };
 }
@@ -69,11 +69,11 @@ bindDoneCb(DoneCallbackSimple donecb)
 {
     if (not donecb) return {};
     using namespace std::placeholders;
-    return std::bind(donecb, _1);
+    return std::bind(std::move(donecb), _1);
 }
 
 DoneCallback
-bindDoneCb(const DoneCallbackRaw& raw_cb, void* user_data)
+bindDoneCb(DoneCallbackRaw raw_cb, void* user_data)
 {
     if (not raw_cb) return {};
     return [=](bool success, const std::vector<std::shared_ptr<Node>>& nodes) {
@@ -82,7 +82,7 @@ bindDoneCb(const DoneCallbackRaw& raw_cb, void* user_data)
 }
 
 DoneCallbackSimple
-bindDoneCbSimple(const DoneCallbackSimpleRaw& raw_cb, void* user_data) {
+bindDoneCbSimple(DoneCallbackSimpleRaw raw_cb, void* user_data) {
     if (not raw_cb) return {};
     return [=](bool success) {
         raw_cb(success, user_data);

src/compat/msvc/unistd.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
  *

src/compat/os_cert.cpp

@@ -0,0 +1,204 @@
+/*
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Author: Andreas Traczyk <andreas.traczyk@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/>.
+ */
+
+#include "os_cert.h"
+
+#include "log_enable.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#include <wincrypt.h>
+#pragma comment(lib, "crypt32.lib")
+#endif
+#include <openssl/ssl.h>
+
+#ifdef TARGET_OS_OSX
+#include <CoreFoundation/CoreFoundation.h>
+#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 {
+
+PEMCache::PEMCache(const std::shared_ptr<Logger>& l)
+ : logger(l)
+{
+#ifdef _WIN32
+    PCCERT_CONTEXT pContext = NULL;
+    HCERTSTORE hSystemStore;
+    hSystemStore = CertOpenSystemStore(NULL, "ROOT");
+    if (!hSystemStore) {
+        if (logger)
+            logger->e("couldn't open the system cert store");
+        return;
+    }
+    while (pContext = CertEnumCertificatesInStore(hSystemStore, pContext)) {
+        const uint8_t* encoded_cert = pContext->pbCertEncoded;
+        X509Ptr x509cert(d2i_X509(nullptr, &encoded_cert, pContext->cbCertEncoded), &X509_free);
+        if (x509cert)
+            pems_.emplace_back(std::move(x509cert));
+    }
+    CertCloseStore(hSystemStore, 0);
+#elif TARGET_OS_OSX
+    CFArrayRef result = NULL;
+    OSStatus osStatus;
+
+    if ((osStatus = SecTrustCopyAnchorCertificates(&result)) != 0) {
+        if (logger) {
+            CFStringRef statusString = SecCopyErrorMessageString(osStatus, NULL);
+            logger->d("Error enumerating certificates: %s",
+                    CFStringGetCStringPtr(statusString, kCFStringEncodingASCII));
+            CFRelease(statusString);
+        }
+        if (result != NULL) {
+            CFRelease(result);
+        }
+        return;
+    }
+    CFDataRef rawData = NULL;
+    for (CFIndex i = 0; i < CFArrayGetCount(result); i++) {
+        SecCertificateRef cert = (SecCertificateRef) CFArrayGetValueAtIndex(result, i);
+        rawData = SecCertificateCopyData(cert);
+        if (!rawData) {
+            if (logger)
+                logger->e("couldn't copy raw certificate data");
+            break;
+        }
+        const uint8_t* rawDataPtr = CFDataGetBytePtr(rawData);
+        X509Ptr x509cert(d2i_X509(nullptr, &rawDataPtr, CFDataGetLength(rawData)), &X509_free);
+        if (x509cert)
+            pems_.emplace_back(std::move(x509cert));
+        CFRelease(rawData);
+        rawData = NULL;
+    }
+    if (result != NULL) {
+        CFRelease(result);
+    }
+    if (rawData != NULL) {
+        CFRelease(rawData);
+    }
+#endif /*TARGET_OS_OSX, _WIN32*/
+}
+
+void
+PEMCache::fillX509Store(SSL_CTX* ctx)
+{
+    if (logger)
+        logger->d("adding %d decoded certs to X509 store", pems_.size());
+    if (X509_STORE* store = SSL_CTX_get_cert_store(ctx)) {
+        for (const auto& pem : pems_) {
+            if (X509_STORE_add_cert(store, pem.get()) != 1)
+                if (logger)
+                    logger->w("couldn't add local certificate");
+        }
+    } else if (logger)
+        logger->e("couldn't get the context cert store");
+}
+
+} /*namespace http*/
+} /*namespace dht*/

src/compat/os_cert.h

@@ -0,0 +1,81 @@
+/*
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Author: Andreas Traczyk <andreas.traczyk@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 "log_enable.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 {
+
+// A singleton class used to cache the decoded certificates
+// loaded from local cert stores that need to be added to the
+// ssl context prior to each request.
+class PEMCache
+{
+    PEMCache(const std::shared_ptr<Logger>& l);
+
+    using X509Ptr = std::unique_ptr<X509, void(*)(X509*)>;
+    std::vector<X509Ptr> pems_;
+    std::shared_ptr<Logger> logger;
+
+public:
+    static PEMCache& instance(const std::shared_ptr<Logger>& l)
+    {
+        static PEMCache instance_(l);
+        return instance_;
+    }
+
+    void fillX509Store(SSL_CTX* ctx);
+};
+}
+} // namespace dht