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/***
This file is part of snapcast
Copyright (C) 2014-2024 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/>.
***/
#pragma once
// local headers
#include "control_session.hpp"
#include "server_settings.hpp"
// 3rd party headers
#include <boost/asio/io_context.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/asio/ssl.hpp>
// standard headers
#include <memory>
#include <mutex>
#include <vector>
using boost::asio::ip::tcp;
using acceptor_ptr = std::unique_ptr<tcp::acceptor>;
/// Telnet like remote control
/**
* Telnet like remote control
*/
class ControlServer : public ControlMessageReceiver
{
public:
/// c'tor
ControlServer(boost::asio::io_context& io_context, const ServerSettings& settings, ControlMessageReceiver* controlMessageReceiver = nullptr);
/// d'tor
virtual ~ControlServer();
/// Start accepting control connections
void start();
/// Stop accepting connections and stop all running sessions
void stop();
/// Send a message to all connected clients
void send(const std::string& message, const ControlSession* excludeSession = nullptr);
private:
void startAccept();
void cleanup();
/// Implementation of ControlMessageReceiver
void onMessageReceived(std::shared_ptr<ControlSession> session, const std::string& message, const ResponseHandler& response_handler) override;
void onNewSession(std::shared_ptr<ControlSession> session) override;
void onNewSession(std::shared_ptr<StreamSession> session) override;
mutable std::recursive_mutex session_mutex_;
std::vector<std::weak_ptr<ControlSession>> sessions_;
std::vector<acceptor_ptr> acceptor_;
boost::asio::io_context& io_context_;
boost::asio::ssl::context ssl_context_;
ServerSettings settings_;
ControlMessageReceiver* controlMessageReceiver_;
};
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