vudpservice.h

otl简单包装实现类,对数据库进行操作的,简单易用.

/***************************************************************************
                          vudpservice.h -  description
                             -------------------
    begin                : 01.06 10:18:00 CST 2004
    copyright            : (C) 2004 by |LiuZhong|
    email                : |[e-mail]|
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef VUDPSERVICE_H
#define VUDPSERVICE_H

#include "vrssocket.h"
#include "vbaseobject.h"

class VUdpService{
public:
	virtual void  OnReceive(int DataSize,const char* FromAddr,int FromPort);
	virtual void  OnTimeOut(int MSec);
	virtual void  OnError(int ErrorCode);
	
	int   Send(const char* pData,int Size,const char* ToAddr,int ToPort);
	int   Receive(char* pData,int Size);
	int   Receive(char* pData,int Size,char* FromAddr, int* FromPort,int MSec=0);
public:
	VUdpService();
	virtual ~VUdpService();
	bool Start(const char* Address,int Port);
	void Close();
	void DoService(int MSec=0);
	int  SelectReceive(int MSec=0);
        void SetReceiveBuf(int BufSize=64*1024L);
private:
	CRSSocket  m_ServerRs;
	VCritiSec  m_CritiSend;
	VCritiSec  m_CritiRecv;
	bool       m_bRunning;
	long       m_BufSize;
};
#endif