snapcast/server/control_session.hpp
2019-09-28 16:57:58 +02:00

78 lines
2.2 KiB
C++

/***
This file is part of snapcast
Copyright (C) 2014-2019 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/>.
***/
#ifndef CONTROL_SESSION_H
#define CONTROL_SESSION_H
#include "common/queue.h"
#include "message/message.h"
#include <asio.hpp>
#include <atomic>
#include <condition_variable>
#include <memory>
#include <mutex>
#include <set>
#include <string>
#include <thread>
using asio::ip::tcp;
class ControlSession;
/// Interface: callback for a received message.
class ControlMessageReceiver
{
public:
virtual void onMessageReceived(ControlSession* connection, const std::string& message) = 0;
};
/// Endpoint for a connected control client.
/**
* Endpoint for a connected control client.
* Messages are sent to the client with the "send" method.
* Received messages from the client are passed to the ControlMessageReceiver callback
*/
class ControlSession : public std::enable_shared_from_this<ControlSession>
{
public:
/// ctor. Received message from the client are passed to MessageReceiver
ControlSession(ControlMessageReceiver* receiver, tcp::socket&& socket) : message_receiver_(receiver), socket_(std::move(socket))
{
}
virtual ~ControlSession() = default;
virtual void start() = 0;
virtual void stop() = 0;
/// Sends a message to the client (synchronous)
virtual bool send(const std::string& message) = 0;
/// Sends a message to the client (asynchronous)
virtual void sendAsync(const std::string& message) = 0;
protected:
tcp::socket socket_;
ControlMessageReceiver* message_receiver_;
};
#endif