/***
    This file is part of snapcast
    Copyright (C) 2014-2020  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_TCP_HPP
#define CONTROL_SESSION_TCP_HPP

#include "control_session.hpp"
#include <deque>

/// 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 ControlSessionTcp : public ControlSession, public std::enable_shared_from_this<ControlSession>
{
public:
    /// ctor. Received message from the client are passed to MessageReceiver
    ControlSessionTcp(ControlMessageReceiver* receiver, boost::asio::io_context& ioc, tcp::socket&& socket);
    ~ControlSessionTcp() override;
    void start() override;
    void stop() override;

    /// Sends a message to the client (synchronous)
    bool send(const std::string& message) override;

    /// Sends a message to the client (asynchronous)
    void sendAsync(const std::string& message) override;

protected:
    void do_read();
    void send_next();

    tcp::socket socket_;
    boost::asio::streambuf streambuf_;
    boost::asio::io_context::strand strand_;
    std::deque<std::string> messages_;
};



#endif