window平台单进程多线程服务器通信

#include <windows.h>
//#include <Winsock2.h>
#include <stdio.h>
#include <time.h>

#pragma comment (lib, "ws2_32.lib")

DWORD WINAPI Client(LPVOID pM)
{
WORD wVersionRequested;
WSADATA wsaData;
int err;

wVersionRequested = MAKEWORD(1, 1);

err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
return -1;
}

if (LOBYTE(wsaData.wVersion) != 1 ||
HIBYTE(wsaData.wVersion) != 1) {
WSACleanup();
return -1;
}

SOCKET sockClient = socket(AF_INET, SOCK_STREAM, 0);

SOCKADDR_IN addrSrv;
addrSrv.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");
addrSrv.sin_family = AF_INET;
addrSrv.sin_port = htons(6000);
connect(sockClient, (SOCKADDR*)&addrSrv, sizeof(SOCKADDR));

// 发送给服务器
char sendBuf[100];
sprintf(sendBuf, "<from client TID=%d>", GetCurrentThreadId());
send(sockClient, sendBuf, sizeof(sendBuf), 0);

// 接受服务器端的数据
char recvBuf[100];
recv(sockClient, recvBuf, 100, 0);
printf("<CLIENT> <TID>=[%d] %s\n", GetCurrentThreadId(), recvBuf);

Sleep(2000);

closesocket(sockClient);
WSACleanup();

return 0;
}

DWORD WINAPI Server(LPVOID pM)
{
WORD wVersionRequested;
WSADATA wsaData;
int err;

wVersionRequested = MAKEWORD(1, 1);

err = WSAStartup(wVersionRequested, &wsaData);
if (err != 0) {
return -1;
}

if (LOBYTE(wsaData.wVersion) != 1 ||
HIBYTE(wsaData.wVersion) != 1) {
WSACleanup();
return -1;
}

SOCKET sockSrv = socket(AF_INET, SOCK_STREAM, 0);

SOCKADDR_IN addrSrv;
addrSrv.sin_addr.S_un.S_addr = htonl(INADDR_ANY);
addrSrv.sin_family = AF_INET;
addrSrv.sin_port = htons(6000);

bind(sockSrv, (SOCKADDR*)&addrSrv, sizeof(SOCKADDR));

listen(sockSrv, 5);

SOCKADDR_IN addrClient;
int len = sizeof(SOCKADDR);

static int num = 0;
while (1)
{
SOCKET sockConn = accept(sockSrv, (SOCKADDR*)&addrClient, &len);

char sendBuf[100];
sprintf(sendBuf, "client_ip %s SERVER STID=%d",
inet_ntoa(addrClient.sin_addr), GetCurrentThreadId());

send(sockConn, sendBuf, strlen(sendBuf) + 1, 0);

char recvBuf[100];
recv(sockConn, recvBuf, 100, 0);
printf("<SERVER> <TID>=[%d] num=[%d] %s\n", GetCurrentThreadId(),  num++, recvBuf);
closesocket(sockConn);
}

return 0;
}

//子线程函数
DWORD WINAPI ThreadFun(LPVOID pM)
{
printf("子线程的线程ID号为：%d\n\n", GetCurrentThreadId());
return 0;
}

//主函数，所谓主函数其实就是主线程执行的函数。
int main()
{

#if 0
for (int i = 0; i < 3; i++)
{
HANDLE handle = CreateThread(NULL, 0, ThreadFun, NULL, 0, NULL);
WaitForSingleObject(handle, INFINITE);
printf("\n");
}
#endif

HANDLE handleA = NULL;
//	HANDLE handleB = NULL;

handleA = CreateThread(NULL, 0,  Server, NULL, 0, NULL);
//	WaitForSingleObject(handleA, INFINITE);

for (int i = 0; i < 3; i++)
{
HANDLE handleB = CreateThread(NULL, 0, Client, NULL, 0, NULL);
}

//	WaitForSingleObject(handleB, INFINITE);

getchar();
return 0;
}