/* $Id: serverconnectiontcp.hpp,v 1.3 2005/11/30 21:36:06 chfreund Exp $ */

#ifndef _SERVERCONNECTIONTCP_HPP_
#define _SERVERCONNECTIONTCP_HPP_

#include <deque>

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

#include "serverconnection.hpp"
#include "serverentry.hpp"

struct Message;
struct EchoMessage;
class World;

//! A server connection class using TCP communication
class ServerConnectionTCP : public ServerConnection {
private:
	//! The server entry
	RemoteServerEntry m_serverEntry;
	//! A TCP socket
	TCPsocket m_socket;
	//! A socket set
	SDLNet_SocketSet m_socketSet;
	//! The world that is managed over this connection
	World* m_world;
	
	//! A message queue for general messages
	std::deque<Message*> m_messageQueue;
	//! A message queue for echo messages
	std::deque<EchoMessage*> m_echoMessageQueue;
public:
	//! Constructor
	ServerConnectionTCP( RemoteServerEntry& entry );
	//! Destructor
	virtual ~ServerConnectionTCP();
	//! \name Implementations of abstract functions of the base class
	//@{
	ServerEntry::Type getType() const { return ServerEntry::REMOTE; }
	bool checkConnection( ServerEntry* server );
	bool openConnection();
	void closeConnection();
	void sendMessage( Message* message );
	EchoMessage* getEchoMessage( Uint32 frame );
	Message* popMessage();
	Message* peekMessage();
	//@}
	//! Get the world
	World* getWorld() { return m_world; }
private:
	//! Receives messages from the server and stores them in the queues
	bool recvMessage();
	
	friend class ServerConnectionTCPUDP;
};

#endif // _SERVERCONNECTIONTCP_HPP_