3 Copyright (C) 2008 Everton da Silva Marques
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; see the file COPYING; if not, write to the
17 Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
20 $QuaggaId: $Format:%an, %ai, %h$ $
28 #include <sys/types.h>
29 #include <sys/socket.h>
31 #include <arpa/inet.h>
33 #include "pim_igmp_join.h"
35 const char *prog_name = 0;
37 static int iface_solve_index(const char *ifname)
39 struct if_nameindex *ini;
40 ifindex_t ifindex = -1;
50 "%s: interface=%s: failure solving index: errno=%d: %s\n",
51 prog_name, ifname, err, strerror(err));
56 for (i = 0; ini[i].if_index; ++i) {
59 "%s: interface=%s matching against local ifname=%s ifindex=%d\n",
60 prog_name, ifname, ini[i].if_name, ini[i].if_index);
62 if (!strcmp(ini[i].if_name, ifname)) {
63 ifindex = ini[i].if_index;
68 if_freenameindex(ini);
73 int main(int argc, const char *argv[])
75 struct in_addr group_addr;
76 struct in_addr source_addr;
86 fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
89 "%s: could not create socket: socket(): errno=%d: %s\n",
90 prog_name, errno, strerror(errno));
96 "usage: %s interface group source\n"
97 "example: %s eth0 232.1.1.1 1.1.1.1\n",
98 prog_name, prog_name);
106 ifindex = iface_solve_index(ifname);
108 fprintf(stderr, "%s: could not find interface: %s\n",
113 result = inet_pton(AF_INET, group, &group_addr);
115 fprintf(stderr, "%s: bad group address: %s\n",
120 result = inet_pton(AF_INET, source, &source_addr);
122 fprintf(stderr, "%s: bad source address: %s\n",
127 result = pim_igmp_join_source(fd, ifindex, group_addr, source_addr);
130 "%s: setsockopt(fd=%d) failure for IGMP group %s source %s ifindex %d on interface %s: errno=%d: %s\n",
131 prog_name, fd, group, source, ifindex, ifname,
132 errno, strerror(errno));
136 printf("%s: joined channel (S,G)=(%s,%s) on interface %s\n",
137 prog_name, source, group, ifname);
139 printf("%s: waiting...\n", prog_name);
145 printf("%s: left channel (S,G)=(%s,%s) on interface %s\n",
146 prog_name, source, group, ifname);