Davide Pesavento
137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2014-2019, Regents of the University of California,
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* Arizona Board of Regents,
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* Colorado State University,
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* University Pierre & Marie Curie, Sorbonne University,
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* Washington University in St. Louis,
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* Beijing Institute of Technology,
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* The University of Memphis.
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*
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* This file is part of NFD (Named Data Networking Forwarding Daemon).
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* See AUTHORS.md for complete list of NFD authors and contributors.
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*
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* NFD is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Foundation,
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* either version 3 of the License, or (at your option) any later version.
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*
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* NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the 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 along with
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* NFD, e.g., in COPYING.md file. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "websocket-factory.hpp"
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namespace nfd {
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namespace face {
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namespace ip = boost::asio::ip;
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NFD_LOG_INIT(WebSocketFactory);
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NFD_REGISTER_PROTOCOL_FACTORY(WebSocketFactory);
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const std::string&
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WebSocketFactory::getId() noexcept
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{
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static std::string id("websocket");
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return id;
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}
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void
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WebSocketFactory::doProcessConfig(OptionalConfigSection configSection,
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FaceSystem::ConfigContext& context)
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{
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// websocket
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// {
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// listen yes
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// port 9696
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// enable_v4 yes
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// enable_v6 yes
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// }
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bool wantListen = false;
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uint16_t port = 9696;
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bool enableV4 = true;
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bool enableV6 = true;
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if (configSection) {
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wantListen = true;
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for (const auto& pair : *configSection) {
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const std::string& key = pair.first;
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if (key == "listen") {
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wantListen = ConfigFile::parseYesNo(pair, "face_system.websocket");
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}
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else if (key == "port") {
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port = ConfigFile::parseNumber<uint16_t>(pair, "face_system.websocket");
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}
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else if (key == "enable_v4") {
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enableV4 = ConfigFile::parseYesNo(pair, "face_system.websocket");
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}
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else if (key == "enable_v6") {
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enableV6 = ConfigFile::parseYesNo(pair, "face_system.websocket");
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}
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else {
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NDN_THROW(ConfigFile::Error("Unrecognized option face_system.websocket." + key));
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}
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}
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}
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if (!enableV4 && !enableV6) {
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NDN_THROW(ConfigFile::Error(
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"IPv4 and IPv6 WebSocket channels have been disabled. Remove face_system.websocket section "
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"to disable WebSocket channels or enable at least one channel type."));
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}
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if (context.isDryRun) {
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return;
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}
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if (!wantListen) {
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if (!m_channels.empty()) {
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NFD_LOG_WARN("Cannot disable WebSocket channels after initialization");
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}
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return;
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}
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if (enableV4) {
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websocket::Endpoint endpoint(ip::tcp::v4(), port);
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auto v4Channel = this->createChannel(endpoint);
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if (!v4Channel->isListening()) {
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v4Channel->listen(this->addFace);
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}
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}
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if (enableV6) {
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websocket::Endpoint endpoint(ip::tcp::v6(), port);
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auto v6Channel = this->createChannel(endpoint);
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if (!v6Channel->isListening()) {
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v6Channel->listen(this->addFace);
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}
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}
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}
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shared_ptr<WebSocketChannel>
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WebSocketFactory::createChannel(const websocket::Endpoint& endpoint)
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{
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auto it = m_channels.find(endpoint);
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if (it != m_channels.end())
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return it->second;
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auto channel = make_shared<WebSocketChannel>(endpoint);
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m_channels[endpoint] = channel;
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return channel;
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}
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std::vector<shared_ptr<const Channel>>
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WebSocketFactory::doGetChannels() const
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{
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return getChannelsFromMap(m_channels);
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}
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} // namespace face
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} // namespace nfd
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