[转]
使用Linux Socket做了小型的分布式，如。
为了更好地分布也得看看Win Socket。
Win Socket TCP原理图：
Win Socket UDP原理图：
简单TCP连接实例：
服务器端：
1 #include2 #include 3 #pragma comment(lib,"ws2_32.lib") 4 int main(int argc,char **argv) 5 { 6 ///创建套接字 7 WORD myVersionRequest; 8 WSADATA wsaData; 9 myVersionRequest=MAKEWORD(1,1);10 int err;11 err=WSAStartup(myVersionRequest,&wsaData);12 if (!err){13 printf("已打开套接字\n");14 }else{15 printf("ERROR:嵌套字未打开!");16 return 1;17 }18 19 ///进一步绑定套接字20 SOCKET serSocket=socket(AF_INET,SOCK_STREAM,0);//创建了可识别套接字21 22 ///需要绑定的参数23 SOCKADDR_IN addr;24 addr.sin_family=AF_INET;25 addr.sin_addr.S_un.S_addr=htonl(INADDR_ANY);//ip地址26 addr.sin_port=htons(6000);//绑定端口27 28 bind(serSocket,(SOCKADDR*)&addr,sizeof(SOCKADDR));//绑定完成29 listen(serSocket,5);//其中第二个参数代表能够接收的最多的连接数30 31 //32 //开始进行监听33 //34 SOCKADDR_IN clientsocket;35 int len=sizeof(SOCKADDR);36 while (1)37 {38 SOCKET serConn=accept(serSocket,(SOCKADDR*)&clientsocket,&len);//如果这里不是accept而是conection的话。。就会不断的监听39 char sendBuf[100];40 41 sprintf(sendBuf,"hello, %s !",inet_ntoa(clientsocket.sin_addr));//找对对应的IP并且将这行字打印到那里42 printf("Send:%s\n",sendBuf);43 send(serConn,sendBuf,strlen(sendBuf)+1,0);44 45 char receiveBuf[100];//接收46 recv(serConn,receiveBuf,sizeof(receiveBuf),0);47 printf("recv:%s\n",receiveBuf);48 49 closesocket(serConn);//关闭50 WSACleanup();//释放资源的操作51 return 0;52 }53 return 1;54 }
客户端：
1 #include2 #include 3 #pragma comment(lib,"ws2_32.lib") 4 int main(int argc,char **argv) 5 { 6 int err; 7 WORD versionRequired; 8 WSADATA wsaData; 9 versionRequired=MAKEWORD(1,1);10 err=WSAStartup(versionRequired,&wsaData);//协议库的版本信息11 if (!err) {12 printf("客户端嵌套字已经打开!\n");13 }else{14 printf("ERROR:客户端的嵌套字打开失败!\n");15 return 1;//结束16 }17 SOCKET clientSocket=socket(AF_INET,SOCK_STREAM,0);18 19 SOCKADDR_IN clientsock_in;20 clientsock_in.sin_addr.S_un.S_addr=inet_addr("127.0.0.1");21 clientsock_in.sin_family=AF_INET;22 clientsock_in.sin_port=htons(6000);23 24 connect(clientSocket,(SOCKADDR*)&clientsock_in,sizeof(SOCKADDR));//开始连接25 char receiveBuf[100];26 if(true){27 28 printf("Send:%s\n","hello,this is client");29 send(clientSocket,"hello,this is client",strlen("hello,this is client")+1,0);30 31 recv(clientSocket,receiveBuf,101,0);32 printf("Recv:%s\n",receiveBuf);33 34 closesocket(clientSocket);35 WSACleanup();36 }37 return 0;38 }
执行如下：
服务器端：
客户端：
