jbus/include/jbus/Listener.hpp

#ifndef JBUS_LISTENER_HPP
#define JBUS_LISTENER_HPP

#include "Common.hpp"
#include "Socket.hpp"
#include <thread>
#include <queue>
#include <mutex>

namespace jbus
{

/** Server interface for accepting incoming connections from GBA emulator instances. */
class Listener
{
    net::Socket m_dataServer = {false};
    net::Socket m_clockServer = {false};
    std::thread m_listenerThread;
    std::mutex m_queueLock;
    std::queue<std::unique_ptr<Endpoint>> m_endpointQueue;
    bool m_running = false;

    static const uint32_t DataPort = 0xd6ba;
    static const uint32_t ClockPort = 0xc10c;

    void listenerProc();

public:
    /** @brief Start listener thread. */
    void start();

    /** @brief Request stop of listener thread and block until joined. */
    void stop();

    /** @brief Pop jbus::Endpoint off Listener's queue.
     *  @return Endpoint instance, ready to issue commands. */
    std::unique_ptr<Endpoint> accept();

    ~Listener();
};

}

#endif // JBUS_LISTENER_HPP