add optional bind setting to relays

svn path=/icecast/trunk/icecast/; revision=15783

src/cfgfile.c

@@ -775,6 +775,10 @@ static void _parse_relay(xmlDocPtr doc, xmlNodePtr node,
             relay->on_demand = atoi(tmp);
             if (tmp) xmlFree(tmp);
         }
+        else if (xmlStrcmp (node->name, XMLSTR("bind")) == 0) {
+            if (relay->bind) xmlFree (relay->bind);
+            relay->bind = (char *)xmlNodeListGetString (doc, node->xmlChildrenNode, 1);
+        }
     } while ((node = node->next));
     if (relay->localmount == NULL)
         relay->localmount = (char *)xmlStrdup (XMLSTR(relay->mount));

src/slave.c

@@ -190,7 +190,7 @@ static client_t *open_relay_connection (relay_server *relay)
 
         INFO2 ("connecting to %s:%d", server, port);
 
-        streamsock = sock_connect_wto (server, port, 10);
+        streamsock = sock_connect_wto_bind (server, port, relay->bind, 10);
         if (streamsock == SOCK_ERROR)
         {
             WARN2 ("Failed to connect to %s:%d", server, port);

src/slave.h

@@ -22,6 +22,7 @@ typedef struct _relay_server {
     char *username;
     char *password;
     char *localmount;
+    char *bind;
     struct source_tag *source;
     int mp3metadata;
     int on_demand;