I am new to freeswitch, and was experimenting with the multicast paging. I
found that the TTL of 1 is a great limitation to what I am trying to do. I
have modified the source code of mod_esf.c to allow the TTL to be modified
as an argument like the IP and ports. I am submitting the diff file for
comment and possible inclusion in future releases.
I have tried to follow the format and style of programming. I have compiled
and run this successfully on both FreeBSD 7.2 and Fedora 11.
Please let me know what you think.
Robert
Index: src/mod/applications/mod_esf/mod_esf.c
===================================================================
--- src/mod/applications/mod_esf/mod_esf.c (revision 14842)
+++ src/mod/applications/mod_esf/mod_esf.c (working copy)
@@ -80,8 +80,8 @@
const char *esf_broadcast_ip = NULL, *var;
switch_codec_implementation_t read_impl = {0};
switch_core_session_get_read_impl(session, &read_impl);
+ int mcast_ttl = 1;
-
if (!switch_strlen_zero((char *) data)) {
mydata = switch_core_session_strdup(session, data);
assert(mydata != NULL);
@@ -104,6 +104,13 @@
if (!switch_strlen_zero(argv[2])) {
mcast_control_port = (switch_port_t) atoi(argv[2]);
}
+
+ if (!switch_strlen_zero(argv[3])) {
+ mcast_ttl = atoi(argv[3]);
+ if (mcast_ttl < 1 || mcast_ttl > 255) {
+ mcast_ttl = 1;
+ }
+ }
}
if (switch_true(switch_channel_get_variable(channel,
SWITCH_BYPASS_MEDIA_VARIABLE))) {
@@ -128,6 +135,11 @@
goto fail;
}
+ if (switch_mcast_hops(socket, mcast_ttl) != SWITCH_STATUS_SUCCESS) {
+ switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_ERROR, "Mutlicast TTL set failed\n");
+ goto fail;
+ }
+
if (switch_sockaddr_info_get(&control_packet_addr, mcast_ip,
SWITCH_UNSPEC,
mcast_control_port, 0, switch_core_session_get_pool(session)) !=
SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session),
SWITCH_LOG_ERROR, "Socket Error 3\n");
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