Annotation of embedaddon/quagga/pimd/pim_igmp_join.c, revision 1.1.1.1
1.1 misho 1: /*
2: PIM for Quagga
3: Copyright (C) 2008 Everton da Silva Marques
4:
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.
9:
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.
14:
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,
18: MA 02110-1301 USA
19:
20: $QuaggaId: $Format:%an, %ai, %h$ $
21: */
22:
23: #include <zebra.h>
24:
25: #include <sys/types.h>
26: #include <sys/socket.h>
27: #include <string.h>
28:
29: #include "zebra.h"
30: #include "pim_igmp_join.h"
31:
32: #ifndef SOL_IP
33: #define SOL_IP IPPROTO_IP
34: #endif
35:
36: #ifndef MCAST_JOIN_SOURCE_GROUP
37: #define MCAST_JOIN_SOURCE_GROUP 46
38: struct group_source_req
39: {
40: uint32_t gsr_interface;
41: struct sockaddr_storage gsr_group;
42: struct sockaddr_storage gsr_source;
43: };
44: #endif
45:
46: int pim_igmp_join_source(int fd, ifindex_t ifindex,
47: struct in_addr group_addr,
48: struct in_addr source_addr)
49: {
50: struct group_source_req req;
51: struct sockaddr_in group;
52: struct sockaddr_in source;
53:
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));
59:
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));
65:
66: req.gsr_interface = ifindex;
67:
68: return setsockopt(fd, SOL_IP, MCAST_JOIN_SOURCE_GROUP,
69: &req, sizeof(req));
70:
71: return 0;
72: }
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