add per-mount listener time limit setting

svn path=/icecast/trunk/icecast/; revision=9834

doc/icecast2_config_file.html

@@ -365,6 +365,7 @@ If you are relaying a Shoutcast stream, you need to specify this indicator to al
         <username>othersource</username>
         <password>hackmemore</password>
         <max-listeners>1</max-listeners>
+        <max-listener-duration>3600</max-listener-duration>
         <dump-file>/tmp/dump-example1.ogg</dump-file>
         <intro>/intro.ogg</intro>
         <fallback-mount>/example2.ogg</fallback-mount>
@@ -416,6 +417,11 @@ An optional value which will set the password that a source must use to connect
 <div class="indentedbox">
 An optional value which will set the maximum number of listeners that can be attached to this mountpoint.
 </div>
+<h4>max-listener-duration</h4>
+<div class="indentedbox">
+    An optional value which will set the length of time a listener will stay connected to the
+    stream. An auth component may override this.
+</div>
 <h4>dump-file</h4>
 <div class="indentedbox">
 An optional value which will set the filename which will be a dump of the stream coming through on this mountpoint.

src/auth.c

@@ -322,6 +322,10 @@ static int add_authenticated_client (const char *mount, mount_proxy *mountinfo,
             avl_tree_unlock (global.source_tree);
             return -1;
         }
+        /* set a per-mount disconnect time if auth hasn't set one already */
+        if (mountinfo->max_listener_duration && client->con->discon_time == 0)
+            client->con->discon_time = time(NULL) + mountinfo->max_listener_duration;
+
         ret = add_client_to_source (source, client);
         avl_tree_unlock (global.source_tree);
         if (ret == 0)

src/cfgfile.c

@@ -615,6 +615,11 @@ static void _parse_mount(xmlDocPtr doc, xmlNodePtr node,
             mount->on_disconnect = (char *)xmlNodeListGetString(
                     doc, node->xmlChildrenNode, 1);
         }
+        else if (strcmp(node->name, "max-listener-duration") == 0) {
+            tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
+            mount->max_listener_duration = atoi(tmp);
+            if(tmp) xmlFree(tmp);
+        }
         else if (strcmp(node->name, "queue-size") == 0) {
             tmp = (char *)xmlNodeListGetString(doc, node->xmlChildrenNode, 1);
             mount->queue_size_limit = atoi (tmp);

src/cfgfile.h

@@ -72,6 +72,7 @@ typedef struct _mount_proxy {
     config_options_t *auth_options; /* Options for this type */
     char *on_connect;
     char *on_disconnect;
+    unsigned int max_listener_duration;
 
     char *stream_name;
     char *stream_description;