glest-source/source/glest_game/network/server_interface.h

// ==============================================================
//	This file is part of Glest (www.glest.org)
//
//	Copyright (C) 2001-2008 Marti<74>o Figueroa
//
//	You can redistribute this code and/or modify it under
//	the terms of the GNU General Public License as published
//	by the Free Software Foundation; either version 2 of the
//	License, or (at your option) any later version
// ==============================================================

#ifndef _GLEST_GAME_SERVERINTERFACE_H_
#define _GLEST_GAME_SERVERINTERFACE_H_

#include <vector>

#include "game_constants.h"
#include "network_interface.h"
#include "connection_slot.h"
#include "socket.h"
#include "leak_dumper.h"

using std::vector;
using Shared::Platform::ServerSocket;

namespace Glest{ namespace Game{

// =====================================================
//	class ServerInterface
// =====================================================

class ServerInterface: public GameNetworkInterface, public ConnectionSlotCallbackInterface {

private:
	ConnectionSlot* slots[GameConstants::maxPlayers];
	ServerSocket serverSocket;
	bool gameHasBeenInitiated;
	int gameSettingsUpdateCount;
	SwitchSetupRequest* switchSetupRequests[GameConstants::maxPlayers];
	Mutex serverSynchAccessor;
	int currentFrameCount;

	time_t gameStartTime;

public:
	ServerInterface();
	virtual ~ServerInterface();

	virtual Socket* getSocket()				{return &serverSocket;}
	virtual const Socket* getSocket() const	{return &serverSocket;}
	virtual void close();

	//message processing
	virtual void update();
	virtual void updateLobby(){};
	virtual void updateKeyframe(int frameCount);
	virtual void waitUntilReady(Checksum* checksum);

	// message sending
	virtual void sendTextMessage(const string &text, int teamIndex, bool echoLocal=false);
	virtual void quitGame(bool userManuallyQuit);

	//misc
	virtual string getNetworkStatus() ;

	ServerSocket* getServerSocket()		{return &serverSocket;}
	SwitchSetupRequest** getSwitchSetupRequests() {return &switchSetupRequests[0];}
	void addSlot(int playerIndex);
	bool switchSlot(int fromPlayerIndex,int toPlayerIndex);
	void removeSlot(int playerIndex);
	ConnectionSlot* getSlot(int playerIndex);
	int getConnectedSlotCount();
	int getOpenSlotCount();

	bool launchGame(const GameSettings* gameSettings);
	void setGameSettings(GameSettings *serverGameSettings, bool waitForClientAck);
	void broadcastGameSetup(const GameSettings* gameSettings);
	void updateListen();
	virtual bool getConnectHasHandshaked() const { return false; }

	virtual void slotUpdateTask(ConnectionSlotEvent *event);
	bool hasClientConnection();
	int getCurrentFrameCount() const { return currentFrameCount; }
	std::pair<bool,bool> clientLagCheck(ConnectionSlot* connectionSlot,bool skipNetworkBroadCast=false);

	bool signalClientReceiveCommands(ConnectionSlot* connectionSlot,
									 int slotIndex,
									 bool socketTriggered,
									 ConnectionSlotEvent &event);
	void updateSocketTriggeredList(std::map<PLATFORM_SOCKET,bool> &socketTriggeredList);

	bool isPortBound() const { return serverSocket.isPortBound(); }
	int getBindPort() const { return serverSocket.getBindPort(); }

	void broadcastPing(const NetworkMessagePing* networkMessage, int excludeSlot= -1) {
		this->broadcastMessage(networkMessage,excludeSlot);
	}

	virtual string getHumanPlayerName(int index=-1);

public:

	Mutex * getServerSynchAccessor() { return &serverSynchAccessor; }

private:

	void broadcastMessage(const NetworkMessage* networkMessage, int excludeSlot= -1);
	void broadcastMessageToConnectedClients(const NetworkMessage* networkMessage, int excludeSlot = -1);
	bool shouldDiscardNetworkMessage(NetworkMessageType networkMessageType,ConnectionSlot* connectionSlot);
	void updateSlot(ConnectionSlotEvent *event);
	void validateConnectedClients();
};

}}//end namespace

#endif