基于win32的socket编程及程序实现

 1 // server6.cpp : Defines the entry point for the console application.
 2 //
 3 //TcpServer.cpp
 4 #include  5 #include  6 #pragma comment(lib,"ws2_32.lib")
 7 #include  8 using namespace std;
 9 void main()
10 {
11 WORD wVersionRequested;
12 WSADATA wsaData;
13 int err;
14 wVersionRequested = MAKEWORD( 1, 1 );//SDK这个宏创建一个无符号16位整形，通过连接两个给定的无符号参数。表示1.1版本
15 err = WSAStartup( wVersionRequested, &wsaData );//通过WSAStartup函数完成对Winsock服务的初始化,调用socket必须初始化
16 if ( err != 0 ) {
17 return;
18 }
19 if ( LOBYTE( wsaData.wVersion ) != 1 ||HIBYTE( wsaData.wVersion ) != 1 )//如果版本错误返回
20  {
21     WSACleanup( );//释放WSAStartup
22     return;
23 }
24 SOCKET sockSrv = socket(AF_INET,SOCK_STREAM,0);  //建立本地流式套接字，返回套接字号；af_inet地址族，用流式套接字，自动匹配
25 SOCKADDR_IN addrSrv;//TCP/IP的地址信息
26 addrSrv.sin_addr.S_un.S_addr = htonl(INADDR_ANY);//允许套接字向任何分配给本地机器的IP地址发送或接收数据。
27 addrSrv.sin_family = AF_INET;//TCP指定的
28 addrSrv.sin_port = htons(6000);//端口号
29 bind(sockSrv,(sockaddr*)&addrSrv,sizeof(SOCKADDR));//绑定套接字
30 listen(sockSrv,5);//#####监听本地套接字
31 SOCKADDR_IN addrClient;
32 int len = sizeof(SOCKADDR);
33 char revBuf[100],sendBuf[100];
34 
35 while(1)
36 {
37 SOCKET sockConn = accept(sockSrv,(SOCKADDR*)&addrClient,&len);//接受链接等待客户端链接，返回客户套接字
38 char sendBuf[100];
39 cout"我说：\n";
40 //sprintf(sendBuf,"Welcome %s to chat with me!",inet_ntoa(addrClient.sin_addr));
41 cin>>sendBuf;
42 send(sockConn,sendBuf,strlen(sendBuf)+1,0);
43 
44 
45 recv(sockConn,revBuf,100,0);
46 cout"对方说：\n";
47 printf("%s\n",revBuf);
48 memset(revBuf,0,100);
49 closesocket(sockConn);
50 }
51 closesocket(sockSrv);
52 }

 1 //TcpClient.cpp
 2 #include  3 #include  4 #pragma comment(lib,"ws2_32.lib")
 5 #include  6 using namespace std;
 7 void main()
 8 {
 9 WORD wVersionRequested;
10 WSADATA wsaData;
11 int err;
12 wVersionRequested = MAKEWORD( 1, 1 );
13 err = WSAStartup( wVersionRequested, &wsaData );//初始化
14 if ( err != 0 )
15     {
16                     return;
17     }
18 if ( LOBYTE( wsaData.wVersion ) != 1 ||HIBYTE( wsaData.wVersion ) != 1 )
19  {
20     WSACleanup( );
21     return;
22 }
23 SOCKET sockClient = socket(AF_INET,SOCK_STREAM,0);//建立套接字
24 SOCKADDR_IN addrSrv;
25 addrSrv.sin_addr.S_un.S_addr = inet_addr("127.0.0.1");//"49.152.49.84");
26 addrSrv.sin_family = AF_INET;
27 addrSrv.sin_port = htons(6000);
28 connect(sockClient,(SOCKADDR*)&addrSrv,sizeof(SOCKADDR));//连接到目的主机
29 char recvBuf[100],sendBuf[100];
30 while (true)
31 {
32     
33     recv(sockClient,recvBuf,100,0);
34     cout"对方说：";
35     printf("%s\n",recvBuf);
36     memset(recvBuf,0,100);
37     cout"我说：";
38     cin>>sendBuf;
39     send(sockClient,sendBuf,strlen(sendBuf)+1,0);
40 }
41 
42 closesocket(sockClient);//关闭套接字
43 WSACleanup();
44 }