// UDP_CE.h: interface for the CUDP_CE class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_UDP_CE_H__9D1E867E_58EC_45C5_B886_3BC0E163A375__INCLUDED_)
#define AFX_UDP_CE_H__9D1E867E_58EC_45C5_B886_3BC0E163A375__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "WinSock.h"

#pragma pack(push,1)


//UDP客戶(hù)端接收數(shù)據(jù)回調(diào)函數(shù)
typedef void (CALLBACK* ONUDPRECV)(CWnd*,char* buf,int bufLen,sockaddr*);


class CUDP_CE  
{
public:
	CUDP_CE();
	virtual ~CUDP_CE();
public:
	//打開(kāi)UDP通訊
    DWORD Open(CWnd* pWnd,int localPort, LPCTSTR remoteHost ,int remotePort);
	//關(guān)閉UDP通訊
	DWORD Close(void);

	//發(fā)送數(shù)據(jù)
	bool SendData(const char *buf, int len);
public:

	//UDP接收數(shù)據(jù)事件
    ONUDPRECV  m_OnUdpRecv;

private:
	SOCKET m_UDPSocket;                   //UDP Socket通訊套接字
    struct sockaddr_in m_RemoteAddr;      //存儲(chǔ)遠(yuǎn)程通訊地址
    HANDLE m_ExitThreadEvent;             //線程退出事件
	CWnd * m_pOwnerWnd;                   //存儲(chǔ)父窗體句柄


private:
	//通訊線程函數(shù)
    static UINT RecvThread(LPVOID lparam);

};

#pragma pack(pop)
#endif // !defined(AFX_UDP_CE_H__9D1E867E_58EC_45C5_B886_3BC0E163A375__INCLUDED_)