/* * 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" #include #undef REQUEST #undef REPLY #define REQUEST 3300 /* max size of request, in bytes */ #define REPLY 3400 /* max size of reply, in bytes */ int main(int argc, char *argv[]) { struct sockaddr_in serv; char request[REQUEST], reply[REPLY]; int sockfd, n; if (argc != 2) err_quit("usage: ttcpcli "); if ( (sockfd = socket(PF_INET, SOCK_STREAM, 0)) < 0) err_sys("socket error"); n = 1; if (setsockopt(sockfd, SOL_SOCKET, SO_DEBUG, (char *) &n, sizeof(n)) < 0) err_sys("SO_DEBUG error"); #ifdef notdef n = 1; if (setsockopt(sockfd, IPPROTO_TCP, TCP_NOPUSH, (char *) &n, sizeof(n)) < 0) err_sys("TCP_NOPUSH error"); #endif memset(&serv, sizeof(serv), 0); serv.sin_family = AF_INET; serv.sin_addr.s_addr = inet_addr(argv[1]); serv.sin_port = htons(TCP_SERV_PORT); /* form request[] ... */ if (sendto(sockfd, request, REQUEST, MSG_EOF, (SA) &serv, sizeof(serv)) != REQUEST) err_sys("sendto error"); if ( (n = read_stream(sockfd, reply, REPLY)) < 0) err_sys("read error"); /* process "n" bytes of reply[] ... */ exit(0); }