mirror of
https://github.com/badaix/snapcast.git
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111 lines
3.3 KiB
C++
111 lines
3.3 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2019 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 "control_session_tcp.hpp"
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#include "common/aixlog.hpp"
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#include "message/pcmChunk.h"
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using namespace std;
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ControlSessionTcp::ControlSessionTcp(ControlMessageReceiver* receiver, tcp::socket&& socket) : ControlSession(receiver), socket_(std::move(socket))
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{
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}
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ControlSessionTcp::~ControlSessionTcp()
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{
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LOG(DEBUG) << "ControlSessionTcp::~ControlSessionTcp()\n";
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stop();
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}
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void ControlSessionTcp::do_read()
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{
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const std::string delimiter = "\n";
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auto self(shared_from_this());
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boost::asio::async_read_until(socket_, streambuf_, delimiter, [this, self, delimiter](const std::error_code& ec, std::size_t bytes_transferred) {
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if (ec)
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{
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LOG(ERROR) << "Error while reading from control socket: " << ec.message() << "\n";
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return;
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}
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// Extract up to the first delimiter.
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std::string line{buffers_begin(streambuf_.data()), buffers_begin(streambuf_.data()) + bytes_transferred - delimiter.length()};
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if (!line.empty())
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{
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if (line.back() == '\r')
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line.resize(line.size() - 1);
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LOG(INFO) << "received: " << line << "\n";
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if ((message_receiver_ != nullptr) && !line.empty())
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{
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string response = message_receiver_->onMessageReceived(this, line);
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if (!response.empty())
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sendAsync(response);
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}
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}
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streambuf_.consume(bytes_transferred);
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do_read();
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});
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}
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void ControlSessionTcp::start()
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{
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do_read();
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}
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void ControlSessionTcp::stop()
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{
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LOG(DEBUG) << "ControlSession::stop\n";
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boost::system::error_code ec;
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socket_.shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
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if (ec)
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LOG(ERROR) << "Error in socket shutdown: " << ec.message() << "\n";
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socket_.close(ec);
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if (ec)
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LOG(ERROR) << "Error in socket close: " << ec.message() << "\n";
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LOG(DEBUG) << "ControlSession ControlSession stopped\n";
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}
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void ControlSessionTcp::sendAsync(const std::string& message)
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{
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auto self(shared_from_this());
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boost::asio::async_write(socket_, boost::asio::buffer(message + "\r\n"), [this, self](std::error_code ec, std::size_t length) {
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if (ec)
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{
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LOG(ERROR) << "Error while writing to control socket: " << ec.message() << "\n";
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}
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else
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{
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LOG(DEBUG) << "Wrote " << length << " bytes to control socket\n";
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}
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});
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}
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bool ControlSessionTcp::send(const std::string& message)
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{
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boost::system::error_code ec;
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boost::asio::write(socket_, boost::asio::buffer(message + "\r\n"), ec);
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return !ec;
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}
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