Chapril/xmpp.chapril.org-ejabberd
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Track presences sent via a multicast service

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This commit is contained in:
Alexey Shchepin 2018-11-09 03:27:24 +03:00
parent 7d9c2b77f2
commit d16b99d830
1 changed files with 40 additions and 1 deletions
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41
src/mod_multicast.erl
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@ -34,7 +34,8 @@
-behaviour(gen_mod).
%% API
-export([start/2, stop/1, reload/3]).
-export([start/2, stop/1, reload/3,
user_send_packet/1]).
%% gen_server callbacks
-export([init/1, handle_info/2, handle_call/3,
@ -111,6 +112,40 @@ reload(LServerS, NewOpts, OldOpts) ->
Proc = gen_mod:get_module_proc(LServerS, ?MODULE),
gen_server:cast(Proc, {reload, NewOpts, OldOpts}).
-define(SETS, gb_sets).
user_send_packet({#presence{} = Packet, C2SState} = Acc) ->
case xmpp:get_subtag(Packet, #addresses{}) of
#addresses{list = Addresses} ->
{ToDeliver, _Delivereds} = split_addresses_todeliver(Addresses),
NewState =
lists:foldl(
fun(Address, St) ->
case Address#address.jid of
#jid{} = JID ->
LJID = jid:tolower(JID),
#{pres_a := PresA} = St,
A =
case Packet#presence.type of
available ->
?SETS:add_element(LJID, PresA);
unavailable ->
?SETS:del_element(LJID, PresA);
_ ->
PresA
end,
St#{pres_a => A};
undefined ->
St
end
end, C2SState, Addresses),
{Packet, NewState};
false ->
Acc
end;
user_send_packet(Acc) ->
Acc.
%%====================================================================
%% gen_server callbacks
%%====================================================================
@ -125,6 +160,8 @@ init([LServerS, Opts]) ->
try_start_loop(),
ejabberd_router_multicast:register_route(LServerS),
ejabberd_router:register_route(LServiceS, LServerS),
ejabberd_hooks:add(user_send_packet, LServerS, ?MODULE,
user_send_packet, 50),
{ok,
#state{lservice = LServiceS, lserver = LServerS,
access = Access, service_limits = SLimits}}.
@ -189,6 +226,8 @@ handle_info({get_host, Pid}, State) ->
handle_info(_Info, State) -> {noreply, State}.
terminate(_Reason, State) ->
ejabberd_hooks:delete(user_send_packet, State#state.lserver, ?MODULE,
user_send_packet, 50),
ejabberd_router_multicast:unregister_route(State#state.lserver),
ejabberd_router:unregister_route(State#state.lservice),
ok.