// Server.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#define BUF_SZIE 64
#include "winsock2.h"
#pragma comment(lib, "ws2_32.lib")
int main(int argc, char* argv[])
{
WSADATA wsd; //WSADATA变量
SOCKET sServer; //服务器套接字
SOCKET sClient; //客户端套接字
SOCKADDR_IN addrServ;; //服务器地址
char buf[BUF_SZIE]; //接收数据缓冲区
int retVal; //返回值
//初始化套结字动态库
if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
{
printf("WSAStartup failed!\n");
return 1;
}
//创建套接字
sServer = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
if(INVALID_SOCKET == sServer)
{
printf("socket failed!\n");
WSACleanup();//释放套接字资源;
return -1;
}
//服务器套接字地址
addrServ.sin_family = AF_INET;
addrServ.sin_port = htons(4999);
addrServ.sin_addr.s_addr = INADDR_ANY;
//绑定套接字
retVal = bind(sServer, (LPSOCKADDR)&addrServ, sizeof(SOCKADDR_IN));
if(SOCKET_ERROR == retVal)
{
printf("bind failed!\n");
closesocket(sServer); //关闭套接字
WSACleanup(); //释放套接字资源;
return -1;
}
//开始监听
retVal = listen(sServer, 1);
if(SOCKET_ERROR == retVal)
{
printf("listen failed!\n");
closesocket(sServer); //关闭套接字
WSACleanup(); //释放套接字资源;
return -1;
}
//接受客户端请求
sockaddr_in addrClient;
int addrClientlen = sizeof(addrClient);
sClient = accept(sServer,(sockaddr FAR*)&addrClient, &addrClientlen);
if(INVALID_SOCKET == sClient)
{
printf("accept failed!\n");
closesocket(sServer); //关闭套接字
WSACleanup(); //释放套接字资源;
return -1;
}
//接收客户端数据
ZeroMemory(buf, BUF_SZIE);
retVal = recv(sClient, buf, BUF_SZIE, 0);
if (SOCKET_ERROR == retVal)
{
printf("recv failed!\n");
closesocket(sServer); //关闭套接字
closesocket(sClient); //关闭套接字
WSACleanup(); //释放套接字资源;
return -1;
}
printf("%s\n", buf); //输出"MyTCP"
//退出
closesocket(sServer); //关闭套接字
closesocket(sClient); //关闭套接字
WSACleanup(); //释放套接字资源;
return 0;
}