Socket (二) 简单的代码实现

SocktServer.cpp

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#include "stdafx.h"
#pragma comment(lib,"ws2_32.lib")
#include <Winsock2.h>
 
int _tmain(int argc, _TCHAR* argv[])
{
    WORD wVersionRequested;
 WSADATA wsaData;
 int err;
    
 wVersionRequested = MAKEWORD( 1, 1 );
    
 err = WSAStartup( wVersionRequested, &wsaData );
 if ( err != 0 ) {
  return 0;
 }
    
 if ( LOBYTE( wsaData.wVersion ) != 1 ||
        HIBYTE( wsaData.wVersion ) != 1 ) {
  WSACleanup( );
  return 0;
 }
 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(8080);
    
 bind(sockSrv,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));
   
 listen(sockSrv,5);
   
 SOCKADDR_IN addrClient;
 int len=sizeof(SOCKADDR);
 while(1)
 {
  printf("in while\n");
  SOCKET sockConn=accept(sockSrv,(SOCKADDR*)&addrClient,&len); //服务端会在此一直等到客户端连接,只有客户端连接成功后,才会执行后续语句
  printf("have a client connecting\n");
  char sendBuf[50];
  sprintf(sendBuf,"Welcome %s ",inet_ntoa(addrClient.sin_addr));
  send(sockConn,sendBuf,strlen(sendBuf)+1,0);
  char recvBuf[50];
 
  for (int j = 0; j < 50; j++)
  {
      recvBuf[j] = NULL;
  }
  recv(sockConn,recvBuf,50,0);
 
  printf("%s\n",recvBuf);
  closesocket(sockConn);
 }
   
    return 0;
}

 SocktClient.cpp

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#include "stdafx.h"
#pragma comment(lib,"ws2_32.lib")
#include <Winsock2.h>
 
int _tmain(int argc, _TCHAR* argv[])
{
    WORD wVersionRequested;
 WSADATA wsaData;
 int err;
  
 wVersionRequested = MAKEWORD( 1, 1 );
  
 err = WSAStartup( wVersionRequested, &wsaData );
 if ( err != 0 ) {
  return 0;
 }
  
 if ( LOBYTE( wsaData.wVersion ) != 1 ||
        HIBYTE( wsaData.wVersion ) != 1 ) {
  WSACleanup( );
  return 0;
 }
 SOCKET sockClient=socket(AF_INET,SOCK_STREAM,0);
  
 SOCKADDR_IN addrSrv;
 addrSrv.sin_addr.S_un.S_addr=inet_addr("192.168.0.127");
 addrSrv.sin_family=AF_INET;
 addrSrv.sin_port=htons(8080);
 connect(sockClient,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));
 send(sockClient,"00000",strlen("11111 ")+1,0);
 char recvBuf[50];
 recv(sockClient,recvBuf,50,0);
 printf("%s\n",recvBuf);
  
 closesocket(sockClient);
 WSACleanup();
    return 0;
}

 

posted @   Jack王  阅读(834)  评论(0编辑  收藏  举报
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