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-rw-r--r--pimd/test_igmpv3_join.c132
1 files changed, 132 insertions, 0 deletions
diff --git a/pimd/test_igmpv3_join.c b/pimd/test_igmpv3_join.c
new file mode 100644
index 0000000..926e453
--- /dev/null
+++ b/pimd/test_igmpv3_join.c
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * PIM for Quagga
+ * Copyright (C) 2008 Everton da Silva Marques
+ */
+
+#include <zebra.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <arpa/inet.h>
+
+#include "if.h"
+#include "pim_igmp_join.h"
+
+const char *prog_name = 0;
+
+static int iface_solve_index(const char *ifname)
+{
+ struct if_nameindex *ini;
+ ifindex_t ifindex = -1;
+ int i;
+
+ if (!ifname)
+ return -1;
+
+ ini = if_nameindex();
+ if (!ini) {
+ int err = errno;
+ fprintf(stderr,
+ "%s: interface=%s: failure solving index: errno=%d: %s\n",
+ prog_name, ifname, err, strerror(err));
+ errno = err;
+ return -1;
+ }
+
+ for (i = 0; ini[i].if_index; ++i) {
+ if (!strcmp(ini[i].if_name, ifname)) {
+ ifindex = ini[i].if_index;
+ break;
+ }
+ }
+
+ if_freenameindex(ini);
+
+ return ifindex;
+}
+
+int main(int argc, const char *argv[])
+{
+ pim_addr group_addr;
+ pim_addr source_addr;
+ const char *ifname;
+ const char *group;
+ const char *source;
+ ifindex_t ifindex;
+ int result;
+ int fd;
+
+ prog_name = argv[0];
+
+ fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+ if (fd < 0) {
+ fprintf(stderr,
+ "%s: could not create socket: socket(): errno=%d: %s\n",
+ prog_name, errno, strerror(errno));
+ exit(1);
+ }
+
+ if (argc != 4) {
+ fprintf(stderr,
+ "usage: %s interface group source\n"
+ "example: %s eth0 232.1.1.1 1.1.1.1\n",
+ prog_name, prog_name);
+ exit(1);
+ }
+
+ ifname = argv[1];
+ group = argv[2];
+ source = argv[3];
+
+ ifindex = iface_solve_index(ifname);
+ if (ifindex < 0) {
+ fprintf(stderr, "%s: could not find interface: %s\n", prog_name,
+ ifname);
+ exit(1);
+ }
+
+ result = inet_pton(AF_INET, group, &group_addr);
+ if (result <= 0) {
+ fprintf(stderr, "%s: bad group address: %s\n", prog_name,
+ group);
+ exit(1);
+ }
+
+ result = inet_pton(AF_INET, source, &source_addr);
+ if (result <= 0) {
+ fprintf(stderr, "%s: bad source address: %s\n", prog_name,
+ source);
+ exit(1);
+ }
+
+ result = pim_gm_join_source(fd, ifindex, group_addr, source_addr);
+ if (result) {
+ fprintf(stderr,
+ "%s: setsockopt(fd=%d) failure for IGMP group %s source %s ifindex %d on interface %s: errno=%d: %s\n",
+ prog_name, fd, group, source, ifindex, ifname, errno,
+ strerror(errno));
+ exit(1);
+ }
+
+ printf("%s: joined channel (S,G)=(%s,%s) on interface %s\n", prog_name,
+ source, group, ifname);
+
+ printf("%s: waiting...\n", prog_name);
+
+ if (getchar() == EOF)
+ fprintf(stderr, "getchar failure\n");
+
+ close(fd);
+
+ printf("%s: left channel (S,G)=(%s,%s) on interface %s\n", prog_name,
+ source, group, ifname);
+
+ exit(0);
+}