Unix网络编程(迭代服务器)
#include <stdio.h> #include <string.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> int main(int argc, int *argv[]){ const int LISTENQ = 5; // backlog: max conn size const int MAXLINE = 255; int listenfd, connfd; socklen_t len; struct sockaddr_in serveraddr, cliaddr; char buff[MAXLINE]; time_t ticks; listenfd = socket(AF_INET, SOCK_STREAM,0); //bzero(&serveraddr,sizeof(serveraddr)); memset(&serveraddr,0,sizeof(serveraddr)); serveraddr.sin_family = AF_INET; serveraddr.sin_addr.s_addr = htonl(INADDR_ANY); serveraddr.sin_port = htons(13); // daytime server bind(listenfd, (const struct sockaddr*)&serveraddr, sizeof(serveraddr)); listen(listenfd, LISTENQ); for(;;){ len = sizeof(cliaddr); connfd = accept(listenfd, (struct sockaddr*)&cliaddr, &len); printf("connection from %s, port %d\n", inet_ntop(AF_INET, &cliaddr.sin_addr, buff, sizeof(buff)), ntohs(cliaddr.sin_port)); ticks = time(NULL); snprintf(buff, sizeof(buff),"%.24s\r\n",ctime(&ticks)); write(connfd, buff, strlen(buff)); close(connfd); } //printf("len of sockaddr:%d,%d\n",sizeof(struct sockaddr), // sizeof(struct sockaddr_in)); return 0; }
Python客户端:
import socket address = ('192.168.10.67', 13) s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect(address) data = s.recv(512) print 'the data received is:',data s.close()