/* * Copyright (c) 1996 W. Richard Stevens. All rights reserved. * Permission to use or modify this software and its documentation only for * educational purposes and without fee is hereby granted, provided that * the above copyright notice appear in all copies. The author makes no * representations about the suitability of this software for any purpose. * It is provided "as is" without express or implied warranty. */ #include "cliserv.h" int main() /* T/TCP server */ { struct sockaddr_in serv, cli; char request[REQUEST], reply[REPLY]; int listenfd, sockfd, n, clilen; if ( (listenfd = socket(PF_INET, SOCK_STREAM, 0)) < 0) err_sys("socket error"); memset(&serv, 0, sizeof(serv)); serv.sin_family = AF_INET; serv.sin_addr.s_addr = htonl(INADDR_ANY); serv.sin_port = htons(TCP_SERV_PORT); if (bind(listenfd, (SA) &serv, sizeof(serv)) < 0) err_sys("bind error"); if (listen(listenfd, SOMAXCONN) < 0) err_sys("listen error"); for ( ; ; ) { clilen = sizeof(cli); if ( (sockfd = accept(listenfd, (SA) &cli, &clilen)) < 0) err_sys("accept error"); if ( (n = read_stream(sockfd, request, REQUEST)) < 0) err_sys("read error"); /* process "n" bytes of request[] and create reply[] ... */ if (send(sockfd, reply, REPLY, MSG_EOF) != REPLY) err_sys("send error"); close(sockfd); } }