socket通信

客户端：

// Final_Client.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <WINSOCK2.H>
#include <IOSTREAM>

#pragma comment(lib,"WS2_32.lib")

int main(int argc, char* argv[])
{

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_addr.S_un.S_addr = inet_addr("10.13.29.25");
addrSrv.sin_family = AF_INET;
addrSrv.sin_port = htons(6000);
connect(sockClient, (SOCKADDR*)&addrSrv, sizeof(SOCKADDR));

char recvBuf[100];
recv(sockClient, recvBuf, 100, 0);
printf("%s ", recvBuf);

send(sockClient, "Attention: A Client has enter... ", strlen("Attention: A Client has enter... ")+1, 0);
while (true)
{
char talk[100];
printf(" Please enter what you want to say next("quit"to exit):");
gets(talk);
if (strcmp(talk,"quit") == 0)
{
printf("quit! ");
break;
}
send(sockClient, talk, strlen(talk)+1, 0);
char recvBuf[100];
recv(sockClient, recvBuf, 100, 0);
printf("%s Says: %s ", "Server", recvBuf);
}

printf("End linking... ");
closesocket(sockClient);
WSACleanup();

printf(" ");
system("pause");
return 0;
}

服务器端：

// Final_Server.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <WINSOCK2.H>
#include <IOSTREAM>

#pragma comment(lib,"WS2_32.lib")

int main(int argc, char* argv[])
{

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, 10);

SOCKADDR_IN addrClient;
int len = sizeof(SOCKADDR);

while(true){
SOCKET sockConn = accept(sockSrv, (SOCKADDR*)&addrClient, &len);

char sendBuf[100];
sprintf(sendBuf, "Welcome %s to the server program~ Now, let's start talking... ", inet_ntoa(addrClient.sin_addr));
send(sockConn, sendBuf, strlen(sendBuf)+1, 0);

char recvBuf[100];
recv(sockConn, recvBuf, 100, 0);
printf("%s ", recvBuf);

char * sockConnName = "Client";

while(true)
{
char recvBuf[100];
recv(sockConn, recvBuf, 100, 0);
printf("%s Says: %s ", sockConnName, recvBuf);

char talk[100];
printf("Please enter what you want to say next("quit"to exit):");
gets(talk);
if (strcmp(talk,"quit") == 0)
{
printf("quit! ");
break;
}
send(sockConn, talk, strlen(talk)+1, 0);
printf(" ");
}
printf(" End talking... ");
closesocket(sockConn);
WSACleanup();
break;
}
printf(" ");
system("pause");
return 0;
}