mirror of
https://github.com/badaix/snapcast.git
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153 lines
3.5 KiB
C++
153 lines
3.5 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2015 Johannes Pohl
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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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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <boost/lexical_cast.hpp>
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#include <iostream>
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#include <mutex>
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#include "controlSession.h"
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#include "common/log.h"
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#include "message/pcmChunk.h"
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using namespace std;
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ControlSession::ControlSession(ControlMessageReceiver* receiver, std::shared_ptr<tcp::socket> socket) : messageReceiver_(receiver)
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{
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socket_ = socket;
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}
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ControlSession::~ControlSession()
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{
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stop();
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}
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void ControlSession::start()
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{
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active_ = true;
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readerThread_ = new thread(&ControlSession::reader, this);
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writerThread_ = new thread(&ControlSession::writer, this);
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}
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void ControlSession::stop()
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{
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std::unique_lock<std::mutex> mlock(mutex_);
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active_ = false;
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try
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{
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boost::system::error_code ec;
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if (socket_)
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{
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socket_->shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
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if (ec) logE << "Error in socket shutdown: " << ec << "\n";
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socket_->close(ec);
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if (ec) logE << "Error in socket close: " << ec << "\n";
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}
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if (readerThread_)
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{
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logD << "joining readerThread\n";
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readerThread_->join();
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delete readerThread_;
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}
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if (writerThread_)
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{
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logD << "joining writerThread\n";
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writerThread_->join();
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delete writerThread_;
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}
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}
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catch(...)
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{
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}
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readerThread_ = NULL;
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writerThread_ = NULL;
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socket_ = NULL;
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logD << "ControlSession stopped\n";
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}
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void ControlSession::add(const std::string& message)
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{
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messages_.push(message);
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}
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bool ControlSession::send(const std::string& message) const
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{
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// logO << "send: " << message->type << ", size: " << message->size << ", id: " << message->id << ", refers: " << message->refersTo << "\n";
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std::unique_lock<std::mutex> mlock(mutex_);
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if (!socket_ || !active_)
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return false;
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boost::asio::streambuf streambuf;
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std::ostream request_stream(&streambuf);
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request_stream << message << "\r\n";
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boost::asio::write(*socket_.get(), streambuf);
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// logO << "done: " << message->type << ", size: " << message->size << ", id: " << message->id << ", refers: " << message->refersTo << "\n";
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return true;
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}
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void ControlSession::reader()
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{
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active_ = true;
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try
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{
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while (active_)
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{
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boost::asio::streambuf response;
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boost::asio::read_until(*socket_, response, "\r\n");
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std::string s((istreambuf_iterator<char>(&response)), istreambuf_iterator<char>());
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s.resize(s.length() - 2);
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if (messageReceiver_ != NULL)
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messageReceiver_->onMessageReceived(this, s);
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}
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}
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catch (const std::exception& e)
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{
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logS(kLogErr) << "Exception in ControlSession::reader(): " << e.what() << endl;
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}
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active_ = false;
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}
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void ControlSession::writer()
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{
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try
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{
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boost::asio::streambuf streambuf;
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std::ostream stream(&streambuf);
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string message;
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while (active_)
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{
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if (messages_.try_pop(message, std::chrono::milliseconds(500)))
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send(message);
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}
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}
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catch (const std::exception& e)
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{
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logS(kLogErr) << "Exception in ControlSession::writer(): " << e.what() << endl;
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}
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active_ = false;
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}
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