socket的很多简短使用测试

 client

socket--client

#include <winsock2.h>
#include <iostream>
using namespace std;

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

int gPort = 60000;
void main()
{
    SOCKET lhSocket;
    SOCKADDR_IN lSockAddr;
    WSADATA wsaData;
    int lConnect;
    int lLength;
    char lData[]="SendData";
    if(WSAStartup(MAKEWORD(2,0),&wsaData) != 0)
    {
        cout<<"Socket Initialization Error. Program aborted\n";
        return;
    }
    lhSocket = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP);
    if(lhSocket == INVALID_SOCKET)
    {
        cout<<"Invalid Socket "<<GetLastError()<<". Program Aborted\n"<<endl;
    }
    memset(&lSockAddr,0, sizeof(lSockAddr));
    lSockAddr.sin_family = AF_INET;
    lSockAddr.sin_port = htons(gPort);
    lSockAddr.sin_addr.s_addr = inet_addr("192.168.1.113");
    lConnect = connect(lhSocket,(SOCKADDR *)&lSockAddr,sizeof(SOCKADDR_IN));
    if(lConnect != 0)
    {
        cout<<"Connect Error. Program aborted\n";
        return;
    }
    lLength = send(lhSocket,lData,strlen(lData),0);
    if(lLength < strlen(lData))
    {
        cout<<"Send Error.\n";
    }
    system("pause");
    closesocket(lhSocket);
    return;
}

Server:

#include <stdio.h>
#include <Winsock2.h>
#include <iostream>
using namespace std;

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

void main()
{
    WORD wVersionRequested;
    WSADATA wsaData;
    int err;

    wVersionRequested = MAKEWORD( 1, 1 );

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

    if ( LOBYTE( wsaData.wVersion ) != 1 ||
        HIBYTE( wsaData.wVersion ) != 1 ) {
            WSACleanup( );
            return;
    }
    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(60000);

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

    listen(sockSrv,5);

    SOCKADDR_IN addrClient;
    int len=sizeof(SOCKADDR);
    while(1)
    {
        SOCKET sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len);
        char sendBuf[50];
        // sprintf(sendBuf,"Welcome %s to here!",inet_ntoa(addrClient.sin_addr));
        // send(sockConn,sendBuf,strlen(sendBuf)+1,0);
        char recvBuf[50];
        recv(sockConn,recvBuf,50,0);
        printf("%s\n",recvBuf);
        closesocket(sockConn);

    }
}

 

地址：http://www.codersource.net/win32/win32-sockets.aspx