www.pudn.com > eMule0.42e-Sources.zip > ClientUDPSocket.h

//this file is part of eMule 
//Copyright (C)2002 Merkur ( merkur-@users.sourceforge.net / http://www.emule-project.net ) 
// 
//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 2 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, write to the Free Software 
//Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
#pragma once 
#include "Loggable.h" 
 
class Packet; 
 
#pragma pack(1) 
struct UDPPack 
{ 
	Packet* packet; 
	uint32 dwIP; 
	uint16 nPort; 
	uint32 dwTime; 
	//uint16 nPriority; We could add a priority system here to force some packets. 
}; 
#pragma pack() 
 
class CClientUDPSocket : public CAsyncSocket, public CLoggable 
{ 
public: 
	CClientUDPSocket(); 
	virtual ~CClientUDPSocket(); 
 
	bool	Create(); 
	bool	SendPacket(Packet* packet, uint32 dwIP, uint16 nPort); 
	bool	IsBusy() const { return m_bWouldBlock; } 
 
protected: 
	bool	ProcessPacket(BYTE* packet, uint16 size, uint8 opcode, uint32 ip, uint16 port); 
	 
	virtual void	OnSend(int nErrorCode);	 
	virtual void	OnReceive(int nErrorCode); 
 
private: 
	int		SendTo(char* lpBuf,int nBufLen,uint32 dwIP, uint16 nPort); 
	bool	m_bWouldBlock; 
 
	CTypedPtrList controlpacket_queue; 
};