实现聊天程序 c++ 两台电脑进行聊天

#pragma comment( lib, "wsock32.lib" )

#define REMOTE_HOST_ADDR "127.0.0.1" //远程主机IP
#define LOCAL_PORT 5000 //本地接收端口
#define REMOTE_PORT 5000  //远程接收端口

#include <iostream>
#include "winsock.h"
using namespace std;

const int MAXBUFFER = 4096;   //设置最大缓存区


class CChat
{
private:
SOCKADDR_IN m_sockAddr;  // 服务端绑定地址
SOCKADDR_IN m_sockRemoteAddr; // 发送数据方地址

SOCKET m_sockListen;     // 等待接受数据的Socket

public:

// 等待接收数据
BOOL Listen(unsigned short sListeningPort);
static void* ListenThread( void *data );

// 初始化Socket
BOOL Init();

// 关闭Socket
void Clear(void);

//发送UDP数据包
BOOL SendMsg( char* szMsg, int nLen, unsigned long szHost, short lPort );

// 设置广播
void EnableBroadcast( BOOL bEnable );
};

void CChat::EnableBroadcast( BOOL bEnable )
{
setsockopt(m_sockListen,SOL_SOCKET,SO_BROADCAST,       
               (CHAR *)&bEnable,sizeof(BOOL));       
}

// 初始化Socket
BOOL CChat::Init()
{
//请求socket 1.1
WORD wVersionRequested = MAKEWORD( 1, 1 );
WSADATA wsaData;
WSAStartup( wVersionRequested, &wsaData );

return true;
}

void CChat::Clear( void )
{
closesocket(m_sockListen);