WSADATA wsData;
if(WSAStartup(MAKEWORD(2,2), &wsData))
{
TRACE("初始化失败");
}
SOCKET serSock=socket(AF_INET, SOCK_STREAM, 0);
if(serSock == SOCKET_ERROR)
{
TRACE("创建socket失败");
WSACleanup();
}
SOCKADDR_IN addr;
addr.sin_family=AF_INET;
addr.sin_port=htons(5005);
addr.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");
if(bind(serSock, (SOCKADDR *)&addr, sizeof(addr)) == SOCKET_ERROR)
{
TRACE("创建socket失败");
WSACleanup();
}
if(listen(serSock, 5) == SOCKET_ERROR)
{
TRACE("socket监听失败");
WSACleanup();
}
SOCKET cliSock;
SOCKADDR_IN cliAddr;
int len = sizeof(cliAddr);
char buf[MAXBULEN];
g_bready =true;
fd_set fd_read;
FD_ZERO(&fd_read);
timeval tv;
tv.tv_sec = 2;
tv.tv_usec = 0;
int res;
while(1)
{
FD_SET(serSock, &fd_read); //将监听套接字加入到可读模型中
//g_iTotalCli += 1;
//添加链路检测,将断链的 socket删除掉
for(int i = 0; i < g_iTotalCli; i++ )
{
FD_SET(g_cliSocketArr[i], &fd_read);
}
res = select(NULL, &fd_read, NULL, NULL, &tv);
TRACE("调用了select,返回值 %d \n", res);
if(res = 0)
{
continue; //超时继续
}
if(FD_ISSET(serSock, &fd_read))
{
TRACE("有新的连接到来! \n");
cliSock = accept(serSock, (SOCKADDR *)&cliAddr, &len);
g_cliSocketArr[g_iTotalCli++] = cliSock; //接受连接
}
for(int i = 0; i< g_iTotalCli; i++)
{
if(FD_ISSET(g_cliSocketArr[i], &fd_read))
{
memset(buf, 0, MAXBULEN);
int recvRes = recv(g_cliSocketArr[i], buf, MAXBULEN, 0 );
if(recvRes == 0 ||(res == SOCKET_ERROR && WSAGetLastError() == WSAECONNRESET))
{
TRACE("socket closed !\n");
closesocket(g_cliSocketArr[i]);
if (i < g_iTotalCli - 1)
{
g_cliSocketArr[i--] = g_cliSocketArr[--g_iTotalCli];
}
}
else
{
buf[recvRes] = '\0';
TRACE("接受到的消息: %s\n", buf);
}
}
}
}
return 0;