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snapcast/server/streamreader/tcp_stream.cpp

120 lines
3.5 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2014-2025 Johannes Pohl
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 <http://www.gnu.org/licenses/>.
***/
// prototype/interface header file
#include "tcp_stream.hpp"
// local headers
#include "common/aixlog.hpp"
#include "common/snap_exception.hpp"
#include "common/str_compat.hpp"
#include "common/utils/string_utils.hpp"
// 3rd party headers
// standard headers
#include <memory>
using namespace std;
namespace streamreader
{
static constexpr auto LOG_TAG = "TcpStream";
TcpStream::TcpStream(PcmStream::Listener* pcmListener, boost::asio::io_context& ioc, const ServerSettings& server_settings, const StreamUri& uri)
: AsioStream<tcp::socket>(pcmListener, ioc, server_settings, uri), reconnect_timer_(ioc)
{
host_ = uri_.host;
auto host_port = utils::string::split(host_, ':');
port_ = 4953;
if (host_port.size() == 2)
{
host_ = host_port[0];
port_ = cpt::stoi(host_port[1], port_);
}
auto mode = uri_.getQuery("mode", "server");
if (mode == "server")
is_server_ = true;
else if (mode == "client")
is_server_ = false;
else
throw SnapException("mode must be 'client' or 'server'");
port_ = cpt::stoi(uri_.getQuery("port", cpt::to_string(port_)), port_);
LOG(INFO, LOG_TAG) << "TcpStream host: " << host_ << ", port: " << port_ << ", is server: " << is_server_ << "\n";
if (is_server_)
acceptor_ = make_unique<tcp::acceptor>(strand_, tcp::endpoint(boost::asio::ip::make_address(host_), port_));
}
void TcpStream::connect()
{
if (!active_)
return;
if (is_server_)
{
acceptor_->async_accept([this, self = shared_from_this()](boost::system::error_code ec, tcp::socket socket)
{
if (!ec)
{
LOG(DEBUG, LOG_TAG) << "New client connection\n";
stream_ = make_unique<tcp::socket>(std::move(socket));
on_connect();
}
else
{
LOG(ERROR, LOG_TAG) << "Accept failed: " << ec.message() << "\n";
}
});
}
else
{
stream_ = make_unique<tcp::socket>(strand_);
boost::asio::ip::tcp::endpoint endpoint(boost::asio::ip::make_address(host_), port_);
stream_->async_connect(endpoint, [this, self = shared_from_this()](const boost::system::error_code& ec)
{
if (!ec)
{
LOG(DEBUG, LOG_TAG) << "Connected\n";
on_connect();
}
else
{
LOG(DEBUG, LOG_TAG) << "Connect failed: " << ec.message() << "\n";
wait(reconnect_timer_, 1s, [this, self = shared_from_this()] { connect(); });
}
});
}
}
void TcpStream::disconnect()
{
reconnect_timer_.cancel();
if (acceptor_)
acceptor_->cancel();
AsioStream<tcp::socket>::disconnect();
}
} // namespace streamreader