mirror of
https://github.com/savoirfairelinux/opendht.git
synced 2026-11-08 04:21:51 +00:00
100 lines
3.0 KiB
C++
100 lines
3.0 KiB
C++
/*
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* Copyright (C) 2014-2016 Savoir-faire Linux Inc.
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* Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "utils.h"
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#include "default_types.h"
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namespace dht {
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std::string
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print_addr(const sockaddr* sa, socklen_t slen)
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{
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char hbuf[NI_MAXHOST];
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char sbuf[NI_MAXSERV];
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std::stringstream out;
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if (!getnameinfo(sa, slen, hbuf, sizeof(hbuf), sbuf, sizeof(sbuf), NI_NUMERICHOST | NI_NUMERICSERV)) {
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if (sa->sa_family == AF_INET6)
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out << "[" << hbuf << "]";
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else
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out << hbuf;
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if (strcmp(sbuf, "0"))
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out << ":" << sbuf;
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} else
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out << "[invalid address]";
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return out.str();
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}
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std::string
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print_addr(const sockaddr_storage& ss, socklen_t sslen)
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{
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return print_addr((const sockaddr*)&ss, sslen);
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}
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std::string
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printAddr(const Address& addr) {
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return print_addr((const sockaddr*)&addr.first, addr.second);
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}
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time_point from_time_t(std::time_t t) {
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return clock::now() + (std::chrono::system_clock::from_time_t(t) - std::chrono::system_clock::now());
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}
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std::time_t to_time_t(time_point t) {
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return std::chrono::system_clock::to_time_t(
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std::chrono::system_clock::now() +
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std::chrono::duration_cast<std::chrono::system_clock::duration>(t - clock::now()));
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}
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Blob
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unpackBlob(msgpack::object& o) {
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switch (o.type) {
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case msgpack::type::BIN:
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return {o.via.bin.ptr, o.via.bin.ptr+o.via.bin.size};
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case msgpack::type::STR:
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return {o.via.str.ptr, o.via.str.ptr+o.via.str.size};
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case msgpack::type::ARRAY: {
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Blob ret(o.via.array.size);
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std::transform(o.via.array.ptr, o.via.array.ptr+o.via.array.size, ret.begin(), [](const msgpack::object& b) {
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return b.as<uint8_t>();
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});
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return ret;
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}
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default:
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throw msgpack::type_error();
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}
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}
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msgpack::unpacked
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unpackMsg(Blob b) {
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return msgpack::unpack((const char*)b.data(), b.size());
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}
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msgpack::object*
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findMapValue(msgpack::object& map, const std::string& key) {
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if (map.type != msgpack::type::MAP) throw msgpack::type_error();
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for (unsigned i = 0; i < map.via.map.size; i++) {
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auto& o = map.via.map.ptr[i];
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if (o.key.type == msgpack::type::STR && o.key.as<std::string>() == key)
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return &o.val;
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}
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return nullptr;
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}
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}
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