KAZOO-5581 add unique subscribers

kamailio/nodes-role.cfg

@@ -45,13 +45,18 @@ route[NODES_ADVERTISE_ROUTE]
 #!ifdef PRESENCE_ROLE
     route(COUNT_ALL_SUBSCRIBERS);
     $var(Subscriptions) = $_s("Subscriptions" : {"message-summary" : $xavp(watchers=>message-summary), "dialog" : $xavp(watchers=>dialog), "presence" : $xavp(watchers=>presence)});
+
     route(COUNT_ALL_PRESENTITIES);
     $var(Presentities) = $_s("Presentities" : {"message-summary" : $xavp(watchers=>message-summary), "dialog" : $xavp(watchers=>dialog), "presence" : $xavp(watchers=>presence)});
-    $var(Presence) = $_s("Presence" : {$var(Subscriptions), $var(Presentities)});
+
+    route(COUNT_UNIQUE_SUBSCRIBERS);
+    $var(Subscribers) = $_s("Subscribers" : {"message-summary" : $xavp(watchers=>message-summary), "dialog" : $xavp(watchers=>dialog), "presence" : $xavp(watchers=>presence)});
+
+    $var(Presence) = $_s("Presence" : {$var(Subscribers), $var(Subscriptions), $var(Presentities)});
 #!else
     $var(Presence) = "";
 #!endif
-    
+
     $var(Roles) = $_s("Roles" : {$var(Dispatcher), $var(Presence) , $var(Registrar)});
     $var(Payload) = '{"Event-Category" : "nodes", "Event-Name" : "advertise", "Expires" : 5000, "Used-Memory" : $(stat(real_used_size){s.int}), "Startup" : $Tb, "XWhApps" : {"kamailio" : {"Startup" : $Tb }},  $var(Roles)}';
     kazoo_publish("nodes", "", $var(Payload));

kamailio/presence-role.cfg

@@ -235,6 +235,19 @@ route[COUNT_SUBSCRIBERS]
     xavp_params_explode($var(p), "watchers");
 }
 
+route[COUNT_UNIQUE_SUBSCRIBERS]
+{
+    $var(Query) = $_s(select event, (select count(distinct watcher_username || "@" || watcher_domain) from active_watchers b where b.event = a.event) count from event_list a);
+    $var(p) = "uri=none";
+    if (sql_xquery("cb", "$var(Query)", "subs") == 1)
+    {
+        while($xavp(subs) != $null) {
+           $var(p) = $var(p) + ";" + $xavp(subs=>event) + "=" + $xavp(subs=>count);
+           pv_unset("$xavp(subs)");
+        }
+    }
+    xavp_params_explode($var(p), "watchers");
+}
 
 event_route[kazoo:consumer-event-presence-dialog-update]
 {