/* $Id: clientconnectiontcp.hpp,v 1.4 2005/12/04 22:44:49 chfreund Exp $ */

#ifndef _CLIENTCONNECTIONTCP_HPP_
#define _CLIENTCONNECTIONTCP_HPP_

#include <deque>
#include <SDL.h>
#include <SDL_net.h>

#include "clientconnection.hpp"

struct Message;
struct EventMessage;
struct EchoMessage;
class World;

//! A client connection using TCP
class ClientConnectionTCP : public ClientConnection {
private:
	//! A TCP socket
	TCPsocket m_socket;
	//! A socket set
	SDLNet_SocketSet m_socketSet;
	// std::deque<EventMessage*> m_eventMessageQueue;
	//! The last event message received from the client
	EventMessage* m_eventMessage;
	//! Message queue for received messages
	std::deque<Message*> m_messageQueue;
public:
	//! Constructor
	//! \param socket The already connected TCP socket
	ClientConnectionTCP( TCPsocket socket );
	//! Destructor
	virtual ~ClientConnectionTCP();
	//! \name Implementations of the abstract functions of the base class
	//@{
	void openConnection( Uint8 clientID );
	void closeConnection();
	bool isConnected() { return m_socket != 0; }
	EventMessage* getEventMessage();
	Message* getMessage();
	void sendMessage( Message* message );
	void sendEchoMessage( Message* message );
	//@}
private:
	//! Receive messages from the socket
	//! \return true, if messages were received, false else
	bool recvMessage();
	
friend class ClientConnectionTCPUDP;
};

#endif // _CLIENTCONNECTIONTCP_HPP_