Reapply multicast patch to stock ejabberd files

mod_multicast/src/ejabberd_c2s.erl

@@ -2187,14 +2187,16 @@ try_roster_subscribe(Type, User, Server, From, To, Packet, StateData) ->
 presence_broadcast(StateData, From, JIDSet, Packet) ->
     JIDs = ?SETS:to_list(JIDSet),
     JIDs2 = format_and_check_privacy(From, StateData, Packet, JIDs, out),
-    send_multiple(StateData, From, JIDs2, Packet).
+    Server = StateData#state.server,
+    send_multiple(From, Server, JIDs2, Packet).
 
 %% Send presence when updating presence
 presence_broadcast_to_trusted(StateData, From, Trusted, JIDSet, Packet) ->
     JIDs = ?SETS:to_list(JIDSet),
     JIDs_trusted = [JID || JID <- JIDs, ?SETS:is_element(JID, Trusted)],
     JIDs2 = format_and_check_privacy(From, StateData, Packet, JIDs_trusted, out),
-    send_multiple(StateData, From, JIDs2, Packet).
+    Server = StateData#state.server,
+    send_multiple(From, Server, JIDs2, Packet).
 
 %% Send presence when connecting
 presence_broadcast_first(From, StateData, Packet) ->
@@ -2206,7 +2208,7 @@ presence_broadcast_first(From, StateData, Packet) ->
     PacketProbe = #xmlel{name = <<"presence">>, attrs = [{<<"type">>,<<"probe">>}], children = []},
     JIDs2Probe = format_and_check_privacy(From, StateData, PacketProbe, JIDsProbe, out),
     Server = StateData#state.server,
-    send_multiple(StateData, From, JIDs2Probe, PacketProbe),
+    send_multiple(From, Server, JIDs2Probe, PacketProbe),
     {As, JIDs} =
 	?SETS:fold(
 	   fun(JID, {A, JID_list}) ->
@@ -2215,8 +2217,7 @@ presence_broadcast_first(From, StateData, Packet) ->
 	   {StateData#state.pres_a, []},
 	   StateData#state.pres_f),
     JIDs2 = format_and_check_privacy(From, StateData, Packet, JIDs, out),
-    Server = StateData#state.server,
+    send_multiple(From, Server, JIDs2, Packet),
-    send_multiple(StateData, From, JIDs2, Packet),
     StateData#state{pres_a = As}.
 
 format_and_check_privacy(From, StateData, Packet, JIDs, Dir) ->
@@ -2237,16 +2238,8 @@ format_and_check_privacy(From, StateData, Packet, JIDs, Dir) ->
       end,
       FJIDs).
 
-send_multiple(StateData, From, JIDs, Packet) ->
+send_multiple(From, Server, JIDs, Packet) ->
-    lists:foreach(
+    ejabberd_router_multicast:route_multicast(From, Server, JIDs, Packet).
-      fun(JID) ->
-              case privacy_check_packet(StateData, From, JID, Packet, out) of
-                  deny ->
-                      ok;
-                  allow ->
-                      ejabberd_router:route(From, JID, Packet)
-              end
-      end, JIDs).
 
 remove_element(E, Set) ->
     case (?SETS):is_element(E, Set) of

mod_multicast/src/ejabberd_sup.erl

@@ -62,6 +62,13 @@ init([]) ->
 	 brutal_kill,
 	 worker,
 	 [ejabberd_router]},
+    Router_multicast =
+	{ejabberd_router_multicast,
+	 {ejabberd_router_multicast, start_link, []},
+	 permanent,
+	 brutal_kill,
+	 worker,
+	 [ejabberd_router_multicast]},
     SM =
 	{ejabberd_sm,
 	 {ejabberd_sm, start_link, []},
@@ -173,6 +180,7 @@ init([]) ->
 	   NodeGroups,
 	   SystemMonitor,
 	   Router,
+	   Router_multicast,
 	   SM,
 	   S2S,
 	   Local,

mod_multicast/src/mod_muc_room.erl

@@ -681,14 +681,11 @@ handle_event({service_message, Msg}, _StateName,
 			children =
 			    [#xmlel{name = <<"body">>, attrs = [],
 				    children = [{xmlcdata, Msg}]}]},
-    lists:foreach(
+    send_multiple(
-      fun({_LJID, Info}) ->
-	      ejabberd_router:route(
       StateData#state.jid,
-		Info#user.jid,
+      StateData#state.server_host,
-		MessagePkt)
+      StateData#state.users,
-      end,
+      MessagePkt),
-      ?DICT:to_list(StateData#state.users)),
     NSD = add_message_to_history(<<"">>,
 				 StateData#state.jid, MessagePkt, StateData),
     {next_state, normal_state, NSD};
@@ -942,16 +939,11 @@ process_groupchat_message(From,
 					      end,
 		 case IsAllowed of
 		   true ->
-			    lists:foreach(
+			   send_multiple(
-			      fun({_LJID, Info}) ->
+			      jlib:jid_replace_resource(StateData#state.jid, FromNick),
-				      ejabberd_router:route(
+			      StateData#state.server_host,
-					jlib:jid_replace_resource(
+			      StateData#state.users,
-					  StateData#state.jid,
+			      Packet),
-					  FromNick),
-					Info#user.jid,
-					Packet)
-			      end,
-			      ?DICT:to_list(StateData#state.users)),
 		       NewStateData2 = case has_body_or_subject(Packet) of
 			   true ->
 				add_message_to_history(FromNick, From,
@@ -4525,3 +4517,10 @@ has_body_or_subject(Packet) ->
 	(#xmlel{name = <<"subject">>}) -> false;
 	(_) -> true
     end, Packet#xmlel.children).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Multicast
+
+send_multiple(From, Server, Users, Packet) ->
+    JIDs = [ User#user.jid || {_, User} <- ?DICT:to_list(Users)],
+    ejabberd_router_multicast:route_multicast(From, Server, JIDs, Packet).