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: $Format:%an, %ai, %h$ $
25 #include <sys/types.h>
26 #include <sys/socket.h>
30 #include "pim_igmp_join.h"
33 #define SOL_IP IPPROTO_IP
36 #ifndef MCAST_JOIN_SOURCE_GROUP
37 #define MCAST_JOIN_SOURCE_GROUP 46
38 struct group_source_req
40 uint32_t gsr_interface;
41 struct sockaddr_storage gsr_group;
42 struct sockaddr_storage gsr_source;
46 int pim_igmp_join_source(int fd, ifindex_t ifindex,
47 struct in_addr group_addr,
48 struct in_addr source_addr)
50 struct group_source_req req;
51 struct sockaddr_in group;
52 struct sockaddr_in source;
54 memset(&group, 0, sizeof(group));
55 group.sin_family = AF_INET;
56 group.sin_addr = group_addr;
57 group.sin_port = htons(0);
58 memcpy(&req.gsr_group, &group, sizeof(struct sockaddr_in));
60 memset(&source, 0, sizeof(source));
61 source.sin_family = AF_INET;
62 source.sin_addr = source_addr;
63 source.sin_port = htons(0);
64 memcpy(&req.gsr_source, &source, sizeof(struct sockaddr_in));
66 req.gsr_interface = ifindex;
68 return setsockopt(fd, SOL_IP, MCAST_JOIN_SOURCE_GROUP,