/************************************** function:server on windows coder:BSilence **************************************/ #include "stdafx.h" #include <winsock2.h> #pragma comment(lib,"ws2_32.lib") #define LISTEN_PORT 10096 bool InitSocket() { WORD wVersionRequested; WSADATA wsaData; int err; wVersionRequested = MAKEWORD( 2, 0 ); err = WSAStartup( wVersionRequested, &wsaData ); if ( err != 0 ) { perror("init socket error!\n"); return FALSE; } return TRUE; } int main(int argc, char* argv[]) { int error = InitSocket(); if(error == FALSE) { return -1; } int sock_serv = socket(AF_INET, SOCK_STREAM, 0);//创建socket if(sock_serv < 0) { perror("socket error!\n"); return -1; } struct sockaddr_in server_addr;//服务器socket结构体 memset( &server_addr, 0, sizeof(server_addr) ); server_addr.sin_family = AF_INET; server_addr.sin_port = htons(LISTEN_PORT); server_addr.sin_addr.s_addr = htonl( INADDR_ANY );//填入本机IP地址 int flag = bind(sock_serv, (struct sockaddr*)&server_addr, sizeof(server_addr));//绑定socket到指定端口上 if(flag < 0) { perror("bind error!\n"); closesocket(sock_serv); return -1; } flag = listen(sock_serv, 5);//监听socket if(flag < 0) { perror("listen error!\n"); closesocket(sock_serv); return -1; } printf("*******************************************************************************"); printf("*****************************Server already start!*****************************"); printf("*********************************************************************************\n"); char buffer[1024];//系统接收缓冲区 while(1){ //bzero(buffer,sizeof(buffer));//linux下 memset(buffer,0,sizeof(buffer)); struct sockaddr_in client_addr;//客户端socket结构体 int size = sizeof(client_addr); int sock_client = accept(sock_serv, (struct sockaddr*)(&client_addr),&size);//接收连接并创建传输套接字 if(sock_client < 0) { perror("accept error!\n"); continue; } memset(buffer,0,sizeof(buffer)); strcpy(buffer, "this is server! welcome!\n"); send(sock_client, buffer, 1024, 0);//发送数据 while(1) { memset(buffer,0,sizeof(buffer)); flag = recv(sock_client, buffer, 1024, 0);//接收数据 if(flag < 0) { perror("recv error!\n"); closesocket(sock_serv); return -1; } printf("recv : %s\n",buffer); printf("i have recv buffer\n"); printf("recv : %s\n",buffer); if(strcmp(buffer,"quit") == 0) { printf("quit!!!\n"); break; } } } closesocket(sock_serv); return 0; }Client
/************************************** function:client on windows coder:BSilence **************************************/ #include "stdafx.h" #include <iostream.h> #include "winsock2.h" #pragma comment(lib,"ws2_32.lib") #define SERVER_PORT 10096 #define SERVER_IP "127.0.0.1" bool InitSocket() { WORD wVersionRequested; WSADATA wsaData; int err; wVersionRequested = MAKEWORD( 2, 0 ); err = WSAStartup( wVersionRequested, &wsaData ); if ( err != 0 ) { perror("init socket error!\n"); return FALSE; } return TRUE; } int main(int argc, char* argv[]) { int error = InitSocket(); if(error == FALSE) { return -1; } int sock_client = socket(AF_INET, SOCK_STREAM, 0); if(sock_client < 0 ){ perror("socket error!\n"); return -1; } struct sockaddr_in server_addr; //bzero(&server_addr, sizeof(struct sockaddr_in));//linux下使用 memset(&server_addr,0,sizeof(server_addr)); server_addr.sin_family = AF_INET; server_addr.sin_port = htons(SERVER_PORT); server_addr.sin_addr.s_addr = inet_addr(SERVER_IP); int flag = connect(sock_client,(struct sockaddr*)(&server_addr), sizeof(struct sockaddr));//连接服务器 if(flag < 0){ perror("connect error!\n"); closesocket(sock_client); return -1; } printf("connect to server : OK! \n"); char buffer[1024]; memset(buffer,0,sizeof(buffer)); recv(sock_client, buffer, 1024, 0);//发送数据 printf("recv : %s\n", buffer); memset(buffer,0,sizeof(buffer)); strcpy(buffer,"this is client!\n"); send(sock_client, buffer, 1024, 0); while(1){ memset(buffer,0,sizeof(buffer)); cin>>buffer; int p = strlen(buffer); buffer[p] = ‘\0‘; send(sock_client, buffer, 1024, 0); printf("i have send buffer\n"); } closesocket(sock_client); return 0; }
服务器开发【三】----网络编程的基础SOCKET(3),布布扣,bubuko.com
原文:http://blog.csdn.net/b_silence/article/details/20078609