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git.proxmox.com Git - mirror_frr.git/blob - pimd/test_igmpv3_join.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
4 * Copyright (C) 2008 Everton da Silva Marques
14 #include <sys/types.h>
15 #include <sys/socket.h>
17 #include <arpa/inet.h>
20 #include "pim_igmp_join.h"
22 const char *prog_name
= 0;
24 static int iface_solve_index(const char *ifname
)
26 struct if_nameindex
*ini
;
27 ifindex_t ifindex
= -1;
37 "%s: interface=%s: failure solving index: errno=%d: %s\n",
38 prog_name
, ifname
, err
, strerror(err
));
43 for (i
= 0; ini
[i
].if_index
; ++i
) {
44 if (!strcmp(ini
[i
].if_name
, ifname
)) {
45 ifindex
= ini
[i
].if_index
;
50 if_freenameindex(ini
);
55 int main(int argc
, const char *argv
[])
57 struct in_addr group_addr
;
58 struct in_addr source_addr
;
68 fd
= socket(AF_INET
, SOCK_DGRAM
, IPPROTO_UDP
);
71 "%s: could not create socket: socket(): errno=%d: %s\n",
72 prog_name
, errno
, strerror(errno
));
78 "usage: %s interface group source\n"
79 "example: %s eth0 232.1.1.1 1.1.1.1\n",
80 prog_name
, prog_name
);
88 ifindex
= iface_solve_index(ifname
);
90 fprintf(stderr
, "%s: could not find interface: %s\n", prog_name
,
95 result
= inet_pton(AF_INET
, group
, &group_addr
);
97 fprintf(stderr
, "%s: bad group address: %s\n", prog_name
,
102 result
= inet_pton(AF_INET
, source
, &source_addr
);
104 fprintf(stderr
, "%s: bad source address: %s\n", prog_name
,
109 result
= pim_igmp_join_source(fd
, ifindex
, group_addr
, source_addr
);
112 "%s: setsockopt(fd=%d) failure for IGMP group %s source %s ifindex %d on interface %s: errno=%d: %s\n",
113 prog_name
, fd
, group
, source
, ifindex
, ifname
, errno
,
118 printf("%s: joined channel (S,G)=(%s,%s) on interface %s\n", prog_name
,
119 source
, group
, ifname
);
121 printf("%s: waiting...\n", prog_name
);
123 if (getchar() == EOF
)
124 fprintf(stderr
, "getchar failure\n");
128 printf("%s: left channel (S,G)=(%s,%s) on interface %s\n", prog_name
,
129 source
, group
, ifname
);