Linux下的socket演示程序

//server.cpp
#include
#include
#include
#include
#include
#include
#include int main(){//创建套接字int serv_sock &＃61; socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);//将套接字和IP、端口绑定struct sockaddr_in serv_addr;memset(&serv_addr, 0, sizeof(serv_addr)); //每个字节都用0填充serv_addr.sin_family &＃61; AF_INET; //使用IPv4地址serv_addr.sin_addr.s_addr &＃61; inet_addr("127.0.0.1"); //具体的IP地址serv_addr.sin_port &＃61; htons(2555); //端口bind(serv_sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr));//进入监听状态&＃xff0c;等待用户发起请求listen(serv_sock, 20);//接收客户端请求struct sockaddr_in clnt_addr;socklen_t clnt_addr_size &＃61; sizeof(clnt_addr);int clnt_sock &＃61; accept(serv_sock, (struct sockaddr*)&clnt_addr, &clnt_addr_size);//向客户端发送数据char str[] &＃61; "http://c.biancheng.net/socket/";write(clnt_sock, str, sizeof(str));//关闭套接字close(clnt_sock);close(serv_sock);return 0;
}

//client.cpp
#include
#include
#include
#include
#include
#include int main(){//创建套接字int sock &＃61; socket(AF_INET, SOCK_STREAM, 0);//向服务器&＃xff08;特定的IP和端口&＃xff09;发起请求struct sockaddr_in serv_addr;memset(&serv_addr, 0, sizeof(serv_addr)); //每个字节都用0填充serv_addr.sin_family &＃61; AF_INET; //使用IPv4地址serv_addr.sin_addr.s_addr &＃61; inet_addr("127.0.0.1"); //具体的IP地址serv_addr.sin_port &＃61; htons(2555); //端口connect(sock, (struct sockaddr*)&serv_addr, sizeof(serv_addr));//读取服务器传回的数据char buffer[40];read(sock, buffer, sizeof(buffer)-1);printf("Message form server: %s\n", buffer);//关闭套接字close(sock);return 0;
}