X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=config.cpp;h=f474f8c495f2cd07c624bd87a9e7a0f4d58f3f6c;hp=f1b05c1821035819debc55d364c05189a774fed9;hb=0eac9253f23925734e256c63081e157c68c70704;hpb=98b8cb22fe22f6a8b46a47cd5fa00dcf2bcd6fd5

diff --git a/config.cpp b/config.cpp
index f1b05c1..f474f8c 100644
--- a/config.cpp
+++ b/config.cpp
@@ -5,6 +5,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <net/if.h>
 #include <sys/socket.h>
 #include <map>
 #include <string>
@@ -290,6 +291,26 @@ bool parse_udpstream(const ConfigLine &line, Config *config)
 		udpstream.pacing_rate = atoi(pacing_rate_it->second.c_str()) * 1024 / 8;
 	}
 
+	// Parse the TTL. The same value is used for unicast and multicast.
+	map<string, string>::const_iterator ttl_it = line.parameters.find("ttl");
+	if (ttl_it == line.parameters.end()) {
+		udpstream.ttl = -1;
+	} else {
+		udpstream.ttl = atoi(ttl_it->second.c_str());
+	}
+
+	// Parse the multicast interface index.
+	map<string, string>::const_iterator multicast_iface_it = line.parameters.find("multicast_output_interface");
+	if (multicast_iface_it == line.parameters.end()) {
+		udpstream.multicast_iface_index = -1;
+	} else {
+		udpstream.multicast_iface_index = if_nametoindex(multicast_iface_it->second.c_str());
+		if (udpstream.multicast_iface_index == 0) {
+			log(ERROR, "Interface '%s' does not exist", multicast_iface_it->second.c_str());
+			return false;
+		}
+	}
+
 	config->udpstreams.push_back(udpstream);
 	return true;
 }