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xmpp.chapril.org-ejabberd
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Optimize MucSub processing

This commit is contained in:
Alexey Shchepin 2021-09-13 08:15:11 +03:00
parent 3114ce4ed2
commit 5abc03ff8f
4 changed files with 267 additions and 120 deletions
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15
include/mod_muc_room.hrl
View File

@ -87,6 +87,16 @@
nick = <<>> :: binary(),
nodes = [] :: [binary()]}).
-record(muc_subscribers,
{subscribers = #{} :: subscribers(),
subscriber_nicks = #{} :: subscriber_nicks(),
subscriber_nodes = #{} :: subscriber_nodes()
}).
-type subscribers() :: #{ljid() => #subscriber{}}.
-type subscriber_nicks() :: #{binary() => [ljid()]}.
-type subscriber_nodes() :: #{binary() => subscribers()}.
-record(activity,
{
message_time = 0 :: integer(),
@ -106,8 +116,7 @@
jid = #jid{} :: jid(),
config = #config{} :: config(),
users = #{} :: users(),
subscribers = #{} :: subscribers(),
subscriber_nicks = #{} :: subscriber_nicks(),
muc_subscribers = #muc_subscribers{} :: #muc_subscribers{},
last_voice_request_time = treap:empty() :: treap:treap(),
robots = #{} :: robots(),
nicks = #{} :: nicks(),
@ -126,5 +135,3 @@
-type robots() :: #{jid() => {binary(), stanza()}}.
-type nicks() :: #{binary() => [ljid()]}.
-type affiliations() :: #{ljid() => affiliation() | {affiliation(), binary()}}.
-type subscribers() :: #{ljid() => #subscriber{}}.
-type subscriber_nicks() :: #{binary() => [ljid()]}.

12
src/mod_muc.erl
View File

@ -40,6 +40,7 @@
room_destroyed/4,
store_room/4,
store_room/5,
store_changes/4,
restore_room/3,
forget_room/3,
create_room/3,
@ -91,6 +92,7 @@
-callback init(binary(), gen_mod:opts()) -> any().
-callback import(binary(), binary(), [binary()]) -> ok.
-callback store_room(binary(), binary(), binary(), list(), list()|undefined) -> {atomic, any()}.
-callback store_changes(binary(), binary(), binary(), list()) -> {atomic, any()}.
-callback restore_room(binary(), binary(), binary()) -> muc_room_opts() | error.
-callback forget_room(binary(), binary(), binary()) -> {atomic, any()}.
-callback can_use_nick(binary(), binary(), jid(), binary()) -> boolean().
@ -111,7 +113,8 @@
-callback get_subscribed_rooms(binary(), binary(), jid()) ->
{ok, [{jid(), binary(), [binary()]}]} | {error, db_failure}.
-optional_callbacks([get_subscribed_rooms/3]).
-optional_callbacks([get_subscribed_rooms/3,
store_changes/4]).
%%====================================================================
%% API
@ -313,6 +316,11 @@ store_room(ServerHost, Host, Name, Opts, ChangesHints) ->
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:store_room(LServer, Host, Name, Opts, ChangesHints).
store_changes(ServerHost, Host, Name, ChangesHints) ->
LServer = jid:nameprep(ServerHost),
Mod = gen_mod:db_mod(LServer, ?MODULE),
Mod:store_changes(LServer, Host, Name, ChangesHints).
restore_room(ServerHost, Host, Name) ->
LServer = jid:nameprep(ServerHost),
Mod = gen_mod:db_mod(LServer, ?MODULE),
@ -570,7 +578,7 @@ unhibernate_room(ServerHost, Host, Room) ->
case RMod:find_online_room(ServerHost, Room, Host) of
error ->
Proc = procname(ServerHost, {Room, Host}),
case ?GEN_SERVER:call(Proc, {unhibernate, Room, Host}) of
case ?GEN_SERVER:call(Proc, {unhibernate, Room, Host}, 20000) of
{ok, _} = R -> R;
_ -> error
end;

336
src/mod_muc_room.erl
View File

@ -641,7 +641,7 @@ handle_event({service_message, Msg}, _StateName,
MessagePkt = #message{type = groupchat, body = xmpp:mk_text(Msg)},
send_wrapped_multiple(
StateData#state.jid,
get_users_and_subscribers(StateData),
get_users_and_subscribers_with_node(?NS_MUCSUB_NODES_MESSAGES, StateData),
MessagePkt,
?NS_MUCSUB_NODES_MESSAGES,
StateData),
@ -705,7 +705,7 @@ handle_sync_event({change_state, NewStateData}, _From,
true ->
ok;
_ ->
erlang:put(muc_subscribers, NewStateData#state.subscribers)
erlang:put(muc_subscribers, NewStateData#state.muc_subscribers#muc_subscribers.subscribers)
end,
{reply, {ok, NewStateData}, StateName, NewStateData};
handle_sync_event({process_item_change, Item, UJID}, _From, StateName, StateData) ->
@ -717,8 +717,10 @@ handle_sync_event({process_item_change, Item, UJID}, _From, StateName, StateData
{reply, {ok, NSD}, StateName, NSD}
end;
handle_sync_event(get_subscribers, _From, StateName, StateData) ->
JIDs = lists:map(fun jid:make/1,
maps:keys(StateData#state.subscribers)),
JIDs = muc_subscribers_fold(
fun(_LBareJID, #subscriber{jid = JID}, Acc) ->
[JID | Acc]
end, [], StateData#state.muc_subscribers),
{reply, {ok, JIDs}, StateName, StateData};
handle_sync_event({muc_subscribe, From, Nick, Nodes}, _From,
StateName, StateData) ->
@ -762,7 +764,8 @@ handle_sync_event({muc_unsubscribe, From}, _From, StateName,
{reply, {error, get_error_text(Err)}, StateName, StateData}
end;
handle_sync_event({is_subscribed, From}, _From, StateName, StateData) ->
IsSubs = try maps:get(jid:split(From), StateData#state.subscribers) of
IsSubs = try muc_subscribers_get(
jid:split(From), StateData#state.muc_subscribers) of
#subscriber{nick = Nick, nodes = Nodes} -> {true, Nick, Nodes}
catch _:{badkey, _} -> false
end,
@ -899,7 +902,8 @@ terminate(Reason, _StateName,
_ -> ok
end,
tab_remove_online_user(JID, StateData)
end, [], get_users_and_subscribers(StateData)),
end, [], get_users_and_subscribers_with_node(
?NS_MUCSUB_NODES_PARTICIPANTS, StateData)),
disable_hibernate_timer(StateData),
case StateData#state.hibernate_timer of
@ -991,7 +995,7 @@ process_groupchat_message(#message{from = From, lang = Lang} = Packet, StateData
end,
send_wrapped_multiple(
jid:replace_resource(StateData#state.jid, FromNick),
get_users_and_subscribers(StateData),
get_users_and_subscribers_with_node(Node, StateData),
NewPacket, Node, NewStateData1),
NewStateData2 = case has_body_or_subject(NewPacket) of
true ->
@ -1197,8 +1201,8 @@ get_participant_data(From, StateData) ->
#user{nick = FromNick, role = Role} ->
{FromNick, Role}
catch _:{badkey, _} ->
try maps:get(jid:tolower(jid:remove_resource(From)),
StateData#state.subscribers) of
try muc_subscribers_get(jid:tolower(jid:remove_resource(From)),
StateData#state.muc_subscribers) of
#subscriber{nick = FromNick} ->
{FromNick, none}
catch _:{badkey, _} ->
@ -1329,7 +1333,7 @@ maybe_strip_status_from_presence(From, Packet, StateData) ->
close_room_if_temporary_and_empty(StateData1) ->
case not (StateData1#state.config)#config.persistent
andalso maps:size(StateData1#state.users) == 0
andalso maps:size(StateData1#state.subscribers) == 0 of
andalso muc_subscribers_size(StateData1#state.muc_subscribers) == 0 of
true ->
?INFO_MSG("Destroyed MUC room ~ts because it's temporary "
"and empty",
@ -1342,6 +1346,17 @@ close_room_if_temporary_and_empty(StateData1) ->
-spec get_users_and_subscribers(state()) -> users().
get_users_and_subscribers(StateData) ->
get_users_and_subscribers_aux(
StateData#state.muc_subscribers#muc_subscribers.subscribers,
StateData).
-spec get_users_and_subscribers_with_node(binary(), state()) -> users().
get_users_and_subscribers_with_node(Node, StateData) ->
get_users_and_subscribers_aux(
muc_subscribers_get_by_node(Node, StateData#state.muc_subscribers),
StateData).
get_users_and_subscribers_aux(Subscribers, StateData) ->
OnlineSubscribers = maps:fold(
fun(LJID, _, Acc) ->
LBareJID = jid:remove_resource(LJID),
@ -1365,7 +1380,7 @@ get_users_and_subscribers(StateData) ->
true ->
Acc
end
end, StateData#state.users, StateData#state.subscribers).
end, StateData#state.users, Subscribers).
-spec is_user_online(jid(), state()) -> boolean().
is_user_online(JID, StateData) ->
@ -1375,7 +1390,7 @@ is_user_online(JID, StateData) ->
-spec is_subscriber(jid(), state()) -> boolean().
is_subscriber(JID, StateData) ->
LJID = jid:tolower(jid:remove_resource(JID)),
maps:is_key(LJID, StateData#state.subscribers).
muc_subscribers_is_key(LJID, StateData#state.muc_subscribers).
%% Check if the user is occupant of the room, or at least is an admin or owner.
-spec is_occupant_or_admin(jid(), state()) -> boolean().
@ -1869,16 +1884,15 @@ set_subscriber(JID, Nick, Nodes,
#state{room = Room, host = Host, server_host = ServerHost} = StateData) ->
BareJID = jid:remove_resource(JID),
LBareJID = jid:tolower(BareJID),
Subscribers = maps:put(LBareJID,
#subscriber{jid = BareJID,
nick = Nick,
nodes = Nodes},
StateData#state.subscribers),
Nicks = maps:put(Nick, [LBareJID], StateData#state.subscriber_nicks),
NewStateData = StateData#state{subscribers = Subscribers,
subscriber_nicks = Nicks},
MUCSubscribers =
muc_subscribers_put(
#subscriber{jid = BareJID,
nick = Nick,
nodes = Nodes},
StateData#state.muc_subscribers),
NewStateData = StateData#state{muc_subscribers = MUCSubscribers},
store_room(NewStateData, [{add_subscription, BareJID, Nick, Nodes}]),
case not maps:is_key(LBareJID, StateData#state.subscribers) of
case not muc_subscribers_is_key(LBareJID, StateData#state.muc_subscribers) of
true ->
send_subscriptions_change_notifications(BareJID, Nick, subscribe, NewStateData),
ejabberd_hooks:run(muc_subscribed, ServerHost, [ServerHost, Room, Host, BareJID]);
@ -1956,7 +1970,8 @@ add_user_presence_un(JID, Presence, StateData) ->
-spec find_jids_by_nick(binary(), state()) -> [jid()].
find_jids_by_nick(Nick, StateData) ->
Users = case maps:get(Nick, StateData#state.nicks, []) of
[] -> maps:get(Nick, StateData#state.subscriber_nicks, []);
[] -> muc_subscribers_get_by_nick(
Nick, StateData#state.muc_subscribers);
Us -> Us
end,
[jid:make(LJID) || LJID <- Users].
@ -2020,10 +2035,10 @@ is_nick_change(JID, Nick, StateData) ->
nick_collision(User, Nick, StateData) ->
UserOfNick = case find_jid_by_nick(Nick, StateData) of
false ->
try maps:get(Nick, StateData#state.subscriber_nicks) of
[J] -> J
catch _:{badkey, _} -> false
end;
case muc_subscribers_get_by_nick(Nick, StateData#state.muc_subscribers) of
[J] -> J;
[] -> false
end;
J -> J
end,
(UserOfNick /= false andalso
@ -2433,6 +2448,11 @@ send_new_presence(NJID, Reason, IsInitialPresence, StateData, OldStateData) ->
false -> {none, #presence{type = unavailable}}
end,
Affiliation = get_affiliation(LJID, StateData),
Node1 = case is_ra_changed(NJID, IsInitialPresence, StateData, OldStateData) of
true -> ?NS_MUCSUB_NODES_AFFILIATIONS;
false -> ?NS_MUCSUB_NODES_PRESENCE
end,
Node2 = ?NS_MUCSUB_NODES_PARTICIPANTS,
UserMap =
case is_room_overcrowded(StateData) orelse
(not (presence_broadcast_allowed(NJID, StateData) orelse
@ -2440,7 +2460,10 @@ send_new_presence(NJID, Reason, IsInitialPresence, StateData, OldStateData) ->
true ->
#{LNJID => UserInfo};
false ->
get_users_and_subscribers(StateData)
%% TODO: optimize further
UM1 = get_users_and_subscribers_with_node(Node1, StateData),
UM2 = get_users_and_subscribers_with_node(Node2, StateData),
maps:merge(UM1, UM2)
end,
maps:fold(
fun(LUJID, Info, _) ->
@ -2465,10 +2488,6 @@ send_new_presence(NJID, Reason, IsInitialPresence, StateData, OldStateData) ->
Packet = xmpp:set_subtag(
Pres, #muc_user{items = [Item],
status_codes = StatusCodes}),
Node1 = case is_ra_changed(NJID, IsInitialPresence, StateData, OldStateData) of
true -> ?NS_MUCSUB_NODES_AFFILIATIONS;
false -> ?NS_MUCSUB_NODES_PRESENCE
end,
send_wrapped(jid:replace_resource(StateData#state.jid, Nick),
Info#user.jid, Packet, Node1, StateData),
Type = xmpp:get_type(Packet),
@ -2476,7 +2495,6 @@ send_new_presence(NJID, Reason, IsInitialPresence, StateData, OldStateData) ->
IsOccupant = Info#user.last_presence /= undefined,
if (IsSubscriber and not IsOccupant) and
(IsInitialPresence or (Type == unavailable)) ->
Node2 = ?NS_MUCSUB_NODES_PARTICIPANTS,
send_wrapped(jid:replace_resource(StateData#state.jid, Nick),
Info#user.jid, Packet, Node2, StateData);
true ->
@ -2607,11 +2625,13 @@ send_nick_changing(JID, OldNick, StateData,
end;
(_, _, _) ->
ok
end, ok, get_users_and_subscribers(StateData)).
end, ok, get_users_and_subscribers_with_node(
?NS_MUCSUB_NODES_PRESENCE, StateData)).
-spec maybe_send_affiliation(jid(), affiliation(), state()) -> ok.
maybe_send_affiliation(JID, Affiliation, StateData) ->
LJID = jid:tolower(JID),
%% TODO: there should be a better way to check IsOccupant
Users = get_users_and_subscribers(StateData),
IsOccupant = case LJID of
{LUser, LServer, <<"">>} ->
@ -2637,7 +2657,8 @@ send_affiliation(JID, Affiliation, StateData) ->
role = none},
Message = #message{id = p1_rand:get_string(),
sub_els = [#muc_user{items = [Item]}]},
Users = get_users_and_subscribers(StateData),
Users = get_users_and_subscribers_with_node(
?NS_MUCSUB_NODES_AFFILIATIONS, StateData),
Recipients = case (StateData#state.config)#config.anonymous of
true ->
maps:filter(fun(_, #user{role = moderator}) ->
@ -3271,6 +3292,13 @@ send_kickban_presence1(MJID, UJID, Reason, Code, Affiliation,
StateData) ->
#user{jid = RealJID, nick = Nick} = maps:get(jid:tolower(UJID), StateData#state.users),
ActorNick = get_actor_nick(MJID, StateData),
%% TODO: optimize further
UserMap =
maps:merge(
get_users_and_subscribers_with_node(
?NS_MUCSUB_NODES_AFFILIATIONS, StateData),
get_users_and_subscribers_with_node(
?NS_MUCSUB_NODES_PARTICIPANTS, StateData)),
maps:fold(
fun(LJID, Info, _) ->
IsSelfPresence = jid:tolower(UJID) == LJID,
@ -3304,7 +3332,7 @@ send_kickban_presence1(MJID, UJID, Reason, Code, Affiliation,
true ->
ok
end
end, ok, get_users_and_subscribers(StateData)).
end, ok, UserMap).
-spec get_actor_nick(undefined | jid(), state()) -> binary().
get_actor_nick(undefined, _StateData) ->
@ -3720,7 +3748,8 @@ send_config_change_info(New, #state{config = Old} = StateData) ->
id = p1_rand:get_string(),
sub_els = [#muc_user{status_codes = Codes}]},
send_wrapped_multiple(StateData#state.jid,
get_users_and_subscribers(StateData),
get_users_and_subscribers_with_node(
?NS_MUCSUB_NODES_CONFIG, StateData),
Message,
?NS_MUCSUB_NODES_CONFIG,
StateData);
@ -3872,26 +3901,23 @@ set_opts([{Opt, Val} | Opts], StateData) ->
StateData#state{config =
(StateData#state.config)#config{lang = Val}};
subscribers ->
{Subscribers, Nicks} =
lists:foldl(
fun({JID, Nick, Nodes}, {SubAcc, NickAcc}) ->
BareJID = case JID of
#jid{} -> jid:remove_resource(JID);
_ ->
?ERROR_MSG("Invalid subscriber JID in set_opts ~p", [JID]),
jid:remove_resource(jid:make(JID))
end,
LBareJID = jid:tolower(BareJID),
{maps:put(
LBareJID,
#subscriber{jid = BareJID,
nick = Nick,
nodes = Nodes},
SubAcc),
maps:put(Nick, [LBareJID], NickAcc)}
end, {#{}, #{}}, Val),
StateData#state{subscribers = Subscribers,
subscriber_nicks = Nicks};
MUCSubscribers =
lists:foldl(
fun({JID, Nick, Nodes}, MUCSubs) ->
BareJID =
case JID of
#jid{} -> jid:remove_resource(JID);
_ ->
?ERROR_MSG("Invalid subscriber JID in set_opts ~p", [JID]),
jid:remove_resource(jid:make(JID))
end,
muc_subscribers_put(
#subscriber{jid = BareJID,
nick = Nick,
nodes = Nodes},
MUCSubs)
end, muc_subscribers_new(), Val),
StateData#state{muc_subscribers = MUCSubscribers};
affiliations ->
StateData#state{affiliations = maps:from_list(Val)};
subject ->
@ -3926,12 +3952,12 @@ set_vcard_xupdate(State) ->
-spec make_opts(state()) -> [{atom(), any()}].
make_opts(StateData) ->
Config = StateData#state.config,
Subscribers = maps:fold(
Subscribers = muc_subscribers_fold(
fun(_LJID, Sub, Acc) ->
[{Sub#subscriber.jid,
Sub#subscriber.nick,
Sub#subscriber.nodes}|Acc]
end, [], StateData#state.subscribers),
end, [], StateData#state.muc_subscribers),
[?MAKE_CONFIG_OPT(#config.title), ?MAKE_CONFIG_OPT(#config.description),
?MAKE_CONFIG_OPT(#config.allow_change_subj),
?MAKE_CONFIG_OPT(#config.allow_query_users),
@ -4013,7 +4039,8 @@ destroy_room(DEl, StateData) ->
send_wrapped(jid:replace_resource(StateData#state.jid, Nick),
Info#user.jid, Packet,
?NS_MUCSUB_NODES_CONFIG, StateData)
end, ok, get_users_and_subscribers(StateData)),
end, ok, get_users_and_subscribers_with_node(
?NS_MUCSUB_NODES_CONFIG, StateData)),
forget_room(StateData),
{result, undefined, stop}.
@ -4248,30 +4275,35 @@ process_iq_mucsub(From,
sub_els = [#muc_subscribe{nick = Nick}]} = Packet,
StateData) ->
LBareJID = jid:tolower(jid:remove_resource(From)),
try maps:get(LBareJID, StateData#state.subscribers) of
try muc_subscribers_get(LBareJID, StateData#state.muc_subscribers) of
#subscriber{nick = Nick1} when Nick1 /= Nick ->
Nodes = get_subscription_nodes(Packet),
case {nick_collision(From, Nick, StateData),
mod_muc:can_use_nick(StateData#state.server_host,
StateData#state.host,
From, Nick)} of
{true, _} ->
case nick_collision(From, Nick, StateData) of
true ->
ErrText = ?T("That nickname is already in use by another occupant"),
{error, xmpp:err_conflict(ErrText, Lang)};
{_, false} ->
Err = case Nick of
<<>> ->
xmpp:err_jid_malformed(?T("Nickname can't be empty"),
Lang);
_ ->
xmpp:err_conflict(?T("That nickname is registered"
" by another person"), Lang)
end,
{error, Err};
_ ->
NewStateData = set_subscriber(From, Nick, Nodes, StateData),
{result, subscribe_result(Packet), NewStateData}
end;
false ->
case mod_muc:can_use_nick(StateData#state.server_host,
StateData#state.host,
From, Nick) of
false ->
Err = case Nick of
<<>> ->
xmpp:err_jid_malformed(
?T("Nickname can't be empty"),
Lang);
_ ->
xmpp:err_conflict(
?T("That nickname is registered"
" by another person"), Lang)
end,
{error, Err};
true ->
NewStateData =
set_subscriber(From, Nick, Nodes, StateData),
{result, subscribe_result(Packet), NewStateData}
end
end;
#subscriber{} ->
Nodes = get_subscription_nodes(Packet),
NewStateData = set_subscriber(From, Nick, Nodes, StateData),
@ -4298,12 +4330,9 @@ process_iq_mucsub(From, #iq{type = set, sub_els = [#muc_unsubscribe{}]},
#state{room = Room, host = Host, server_host = ServerHost} = StateData) ->
BareJID = jid:remove_resource(From),
LBareJID = jid:tolower(BareJID),
try maps:get(LBareJID, StateData#state.subscribers) of
#subscriber{nick = Nick} ->
Nicks = maps:remove(Nick, StateData#state.subscriber_nicks),
Subscribers = maps:remove(LBareJID, StateData#state.subscribers),
NewStateData = StateData#state{subscribers = Subscribers,
subscriber_nicks = Nicks},
try muc_subscribers_remove_exn(LBareJID, StateData#state.muc_subscribers) of
{MUCSubscribers, #subscriber{nick = Nick}} ->
NewStateData = StateData#state{muc_subscribers = MUCSubscribers},
store_room(NewStateData, [{del_subscription, LBareJID}]),
send_subscriptions_change_notifications(BareJID, Nick, unsubscribe, StateData),
ejabberd_hooks:run(muc_unsubscribed, ServerHost, [ServerHost, Room, Host, BareJID]),
@ -4326,7 +4355,7 @@ process_iq_mucsub(From, #iq{type = get, lang = Lang,
true ->
ShowJid = IsModerator orelse
(StateData#state.config)#config.anonymous == false,
Subs = maps:fold(
Subs = muc_subscribers_fold(
fun(_, #subscriber{jid = J, nick = N, nodes = Nodes}, Acc) ->
case ShowJid of
true ->
@ -4334,7 +4363,7 @@ process_iq_mucsub(From, #iq{type = get, lang = Lang,
_ ->
[#muc_subscription{nick = N, events = Nodes}|Acc]
end
end, [], StateData#state.subscribers),
end, [], StateData#state.muc_subscribers),
{result, #muc_subscriptions{list = Subs}, StateData};
_ ->
Txt = ?T("Moderator privileges required"),
@ -4347,8 +4376,7 @@ process_iq_mucsub(_From, #iq{type = get, lang = Lang}, _StateData) ->
-spec remove_subscriptions(state()) -> state().
remove_subscriptions(StateData) ->
if not (StateData#state.config)#config.allow_subscription ->
StateData#state{subscribers = #{},
subscriber_nicks = #{}};
StateData#state{muc_subscribers = muc_subscribers_new()};
true ->
StateData
end.
@ -4597,7 +4625,7 @@ store_room(StateData, ChangesHints) ->
true ->
ok;
_ ->
erlang:put(muc_subscribers, StateData#state.subscribers)
erlang:put(muc_subscribers, StateData#state.muc_subscribers#muc_subscribers.subscribers)
end,
ShouldStore = case (StateData#state.config)#config.persistent of
true ->
@ -4611,7 +4639,15 @@ store_room(StateData, ChangesHints) ->
end
end,
if ShouldStore ->
store_room_no_checks(StateData, ChangesHints);
case erlang:function_exported(Mod, store_changes, 4) of
true when ChangesHints /= [] ->
mod_muc:store_changes(
StateData#state.server_host,
StateData#state.host, StateData#state.room,
ChangesHints);
_ ->
store_room_no_checks(StateData, ChangesHints)
end;
true ->
ok
end.
@ -4625,22 +4661,19 @@ store_room_no_checks(StateData, ChangesHints) ->
-spec send_subscriptions_change_notifications(jid(), binary(), subscribe|unsubscribe, state()) -> ok.
send_subscriptions_change_notifications(From, Nick, Type, State) ->
{WJ, WN} =
maps:fold(
fun(_, #subscriber{nodes = Nodes, jid = JID}, {WithJid, WithNick} = Res) ->
case lists:member(?NS_MUCSUB_NODES_SUBSCRIBERS, Nodes) of
true ->
case (State#state.config)#config.anonymous == false orelse
get_role(JID, State) == moderator orelse
get_default_role(get_affiliation(JID, State), State) == moderator of
true ->
{[JID | WithJid], WithNick};
_ ->
{WithJid, [JID | WithNick]}
end;
false ->
Res
end
end, {[], []}, State#state.subscribers),
maps:fold(
fun(_, #subscriber{jid = JID}, {WithJid, WithNick}) ->
case (State#state.config)#config.anonymous == false orelse
get_role(JID, State) == moderator orelse
get_default_role(get_affiliation(JID, State), State) == moderator of
true ->
{[JID | WithJid], WithNick};
_ ->
{WithJid, [JID | WithNick]}
end
end, {[], []},
muc_subscribers_get_by_node(?NS_MUCSUB_NODES_SUBSCRIBERS,
State#state.muc_subscribers)),
if WJ /= [] ->
Payload1 = case Type of
subscribe -> #muc_subscribe{jid = From, nick = Nick};
@ -4684,7 +4717,7 @@ send_wrapped(From, To, Packet, Node, State) ->
_ -> false
end,
if IsOffline ->
try maps:get(LBareTo, State#state.subscribers) of
try muc_subscribers_get(LBareTo, State#state.muc_subscribers) of
#subscriber{nodes = Nodes, jid = JID} ->
case lists:member(Node, Nodes) of
true ->
@ -4751,12 +4784,13 @@ send_wrapped_multiple(From, Users, Packet, Node, State) ->
IsOffline = LP == undefined,
if IsOffline ->
LBareTo = jid:tolower(jid:remove_resource(To)),
case maps:find(LBareTo, State#state.subscribers) of
case muc_subscribers_find(LBareTo, State#state.muc_subscribers) of
{ok, #subscriber{nodes = Nodes}} ->
case lists:member(Node, Nodes) of
true ->
{Direct, [To | Wrapped]};
_ ->
%% TODO: check that this branch is never called
Res
end;
_ ->
@ -4810,6 +4844,90 @@ send_wrapped_multiple(From, Users, Packet, Node, State) ->
Wra, NewPacket2, true)
end.
%%%----------------------------------------------------------------------
%%% #muc_subscribers API
%%%----------------------------------------------------------------------
-spec muc_subscribers_new() -> #muc_subscribers{}.
muc_subscribers_new() ->
#muc_subscribers{}.
-spec muc_subscribers_get(ljid(), #muc_subscribers{}) -> #subscriber{}.
muc_subscribers_get({_, _, _} = LJID, MUCSubscribers) ->
maps:get(LJID, MUCSubscribers#muc_subscribers.subscribers).
-spec muc_subscribers_find(ljid(), #muc_subscribers{}) ->
{ok, #subscriber{}} | error.
muc_subscribers_find({_, _, _} = LJID, MUCSubscribers) ->
maps:find(LJID, MUCSubscribers#muc_subscribers.subscribers).
-spec muc_subscribers_is_key(ljid(), #muc_subscribers{}) -> boolean().
muc_subscribers_is_key({_, _, _} = LJID, MUCSubscribers) ->
maps:is_key(LJID, MUCSubscribers#muc_subscribers.subscribers).
-spec muc_subscribers_size(#muc_subscribers{}) -> integer().
muc_subscribers_size(MUCSubscribers) ->
maps:size(MUCSubscribers#muc_subscribers.subscribers).
-spec muc_subscribers_fold(Fun, Acc, #muc_subscribers{}) -> Acc when
Fun :: fun((ljid(), #subscriber{}, Acc) -> Acc).
muc_subscribers_fold(Fun, Init, MUCSubscribers) ->
maps:fold(Fun, Init, MUCSubscribers#muc_subscribers.subscribers).
-spec muc_subscribers_get_by_nick(binary(), #muc_subscribers{}) -> [#subscriber{}].
muc_subscribers_get_by_nick(Nick, MUCSubscribers) ->
maps:get(Nick, MUCSubscribers#muc_subscribers.subscriber_nicks, []).
-spec muc_subscribers_get_by_node(binary(), #muc_subscribers{}) -> subscribers().
muc_subscribers_get_by_node(Node, MUCSubscribers) ->
maps:get(Node, MUCSubscribers#muc_subscribers.subscriber_nodes, #{}).
-spec muc_subscribers_remove_exn(ljid(), #muc_subscribers{}) ->
{#muc_subscribers{}, #subscriber{}}.
muc_subscribers_remove_exn({_, _, _} = LJID, MUCSubscribers) ->
#muc_subscribers{subscribers = Subs,
subscriber_nicks = SubNicks,
subscriber_nodes = SubNodes} = MUCSubscribers,
Subscriber = maps:get(LJID, Subs),
#subscriber{nick = Nick, nodes = Nodes} = Subscriber,
NewSubNicks = maps:remove(Nick, SubNicks),
NewSubs = maps:remove(LJID, Subs),
NewSubNodes =
lists:foldl(
fun(Node, Acc) ->
NodeSubs = maps:get(Node, Acc, #{}),
NodeSubs2 = maps:remove(LJID, NodeSubs),
maps:put(Node, NodeSubs2, Acc)
end, SubNodes, Nodes),
{#muc_subscribers{subscribers = NewSubs,
subscriber_nicks = NewSubNicks,
subscriber_nodes = NewSubNodes}, Subscriber}.
-spec muc_subscribers_put(#subscriber{}, #muc_subscribers{}) ->
#muc_subscribers{}.
muc_subscribers_put(Subscriber, MUCSubscribers) ->
#subscriber{jid = JID,
nick = Nick,
nodes = Nodes} = Subscriber,
#muc_subscribers{subscribers = Subs,
subscriber_nicks = SubNicks,
subscriber_nodes = SubNodes} = MUCSubscribers,
LJID = jid:tolower(JID),
NewSubs = maps:put(LJID, Subscriber, Subs),
NewSubNicks = maps:put(Nick, [LJID], SubNicks),
NewSubNodes =
lists:foldl(
fun(Node, Acc) ->
NodeSubs = maps:get(Node, Acc, #{}),
NodeSubs2 = maps:put(LJID, Subscriber, NodeSubs),
maps:put(Node, NodeSubs2, Acc)
end, SubNodes, Nodes),
#muc_subscribers{subscribers = NewSubs,
subscriber_nicks = NewSubNicks,
subscriber_nodes = NewSubNodes}.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Detect messange stanzas that don't have meaningful content
-spec has_body_or_subject(message()) -> boolean().

24
src/mod_muc_sql.erl
View File

@ -29,7 +29,8 @@
-behaviour(mod_muc_room).
%% API
-export([init/2, store_room/5, restore_room/3, forget_room/3,
-export([init/2, store_room/5, store_changes/4,
restore_room/3, forget_room/3,
can_use_nick/4, get_rooms/2, get_nick/3, set_nick/4,
import/3, export/1]).
-export([register_online_room/4, unregister_online_room/4, find_online_room/3,
@ -83,6 +84,12 @@ store_room(LServer, Host, Name, Opts, ChangesHints) ->
end,
ejabberd_sql:sql_transaction(LServer, F).
store_changes(LServer, Host, Name, Changes) ->
F = fun () ->
[change_room(Host, Name, Change) || Change <- Changes]
end,
ejabberd_sql:sql_transaction(LServer, F).
change_room(Host, Room, {add_subscription, JID, Nick, Nodes}) ->
SJID = jid:encode(JID),
SNodes = misc:term_to_expr(Nodes),
@ -185,13 +192,20 @@ get_rooms(LServer, Host) ->
{selected, Subs} ->
SubsD = lists:foldl(
fun({Room, Jid, Nick, Nodes}, Dict) ->
dict:append(Room, {jid:decode(Jid),
Nick, ejabberd_sql:decode_term(Nodes)}, Dict)
end, dict:new(), Subs),
Sub = {jid:decode(Jid),
Nick, ejabberd_sql:decode_term(Nodes)},
maps:update_with(
Room,
fun(SubAcc) ->
[Sub | SubAcc]
end,
[Sub],
Dict)
end, maps:new(), Subs),
lists:map(
fun({Room, Opts}) ->
OptsD = ejabberd_sql:decode_term(Opts),
OptsD2 = case {dict:find(Room, SubsD), lists:keymember(subscribers, 1, OptsD)} of
OptsD2 = case {maps:find(Room, SubsD), lists:keymember(subscribers, 1, OptsD)} of
{_, true} ->
store_room(LServer, Host, Room, mod_muc:opts_to_binary(OptsD), undefined),
OptsD;