2 * Copyright (c) 2005 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/usr.sbin/dntpd/main.c,v 1.1 2005/04/24 02:36:50 dillon Exp $
39 static void usage(const char *av0);
40 static void dotest(const char *target);
41 static void add_server(const char *target);
43 static struct server_info **servers;
45 static int maxservers;
50 main(int ac, char **av)
64 while ((ch = getopt(ac, av, "t:d")) != -1) {
81 * Add additional hosts.
83 for (i = optind; i < ac; ++i) {
95 rc = client_main(servers, nservers);
101 usage(const char *av0)
103 fprintf(stderr, "%s [-d] [-t target] [additional_targets]\n", av0);
109 dotest(const char *target)
111 struct server_info info;
113 bzero(&info, sizeof(info));
114 info.fd = udp_socket(target, 123);
116 logerrstr("unable to create UDP socket for %s", target);
119 info.target = strdup(target);
126 usleep(5 * 1000000 + random() % 100000);
131 add_server(const char *target)
135 if (nservers == maxservers) {
137 servers = realloc(servers, maxservers * sizeof(server_info_t));
138 assert(servers != NULL);
140 info = malloc(sizeof(struct server_info));
141 servers[nservers] = info;
142 bzero(info, sizeof(struct server_info));
143 info->fd = udp_socket(target, 123);
145 logerrstr("Unable to add server %s", target);
147 info->target = strdup(target);