client:
#include<winsock2.h>
#include<cstdio>
#pragma comment(lib,"ws2_32.lib")
int main()
{
int err;
WORD versionRequired;
WSADATA WSAData;
versionRequired=MAKEWORD(1,1);
err=WSAStartup(versionRequired,&WSAData);
if(!err)
printf("start\n");
else
{
printf("error\n");
return 1;
}
SOCKET clientSocket=socket(AF_INET,SOCK_STREAM,0);
SOCKADDR_IN clientsock_in;
clientsock_in.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");
clientsocket_in.sin_family=AF_INET;
clientsock_in.sin_port=htons(6000);
connect(clientSocket,(SOCKADDR*)&clientsock_in,sizeof(SOCKADDR));
char receiveBuf[100];
if(true)
{
printf("Send:%s\n","hello,this is client");
send(clientSocket,"hello,this is client",strlen("hello,this is client")+1,0);
recv(clientSocket,receiveBuf,101,0);
printf("recv:%s\n",receiveBuf);
closesocket(clientSocket);
WSACleanup();
}
return 0;
}
sever/*server.cpp*/
#include <WINSOCK2.H>
#include <stdio.h>
#pragma comment(lib,"ws2_32.lib")
int main(int argc,char **argv)
{
//創建套接字
WORD myVersionRequest;
WSADATA wsaData;
myVersionRequest=MAKEWORD(1,1);
int err;
err=WSAStartup(myVersionRequest,&wsaData);
if (!err){
printf("已打開套接字\n");
}else{
printf("ERROR:嵌套字未打開!");
return 1;
}
//進一步綁定套接字
SOCKET serSocket=socket(AF_INET,SOCK_STREAM,0);//創建了可識別套接字
//需要綁定的參數
SOCKADDR_IN addr;
addr.sin_family=AF_INET;
addr.sin_addr.S_un.S_addr=htonl(INADDR_ANY);//ip地址
addr.sin_port=htons(6000);//綁定端口
bind(serSocket,(SOCKADDR*)&addr,sizeof(SOCKADDR));//綁定完成
listen(serSocket,5);//其中第二個參數代表能夠接收的最多的連接數
//////////////////////////////////////////////////////////////////////////
//開始進行監聽
//////////////////////////////////////////////////////////////////////////
SOCKADDR_IN clientsocket;
int len=sizeof(SOCKADDR);
while (1)
{
SOCKET serConn=accept(serSocket,(SOCKADDR*)&clientsocket,&len);//如果這裏不是accept而是conection的話。。就會不斷的監聽
char sendBuf[100];
sprintf(sendBuf,"hello, %s !",inet_ntoa(clientsocket.sin_addr));//找對對應的IP並且將這行字打印到那裏
printf("Send:%s\n",sendBuf);
send(serConn,sendBuf,strlen(sendBuf)+1,0);
char receiveBuf[100];//接收
recv(serConn,receiveBuf,sizeof(receiveBuf),0);
printf("recv:%s\n",receiveBuf);
closesocket(serConn);//關閉
WSACleanup();//釋放資源的操作
return 0;
}
return 1;
}