Chapril/xmpp.chapril.org-ejabberd
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Code Releases Activity

Support MQTT subscriptions spread over the cluster (#3750)

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This commit is contained in:
Badlop 2022-01-11 13:53:32 +01:00
parent 585afcbc77
commit 1b192987d2
1 changed files with 10 additions and 3 deletions
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13
src/mod_mqtt_mnesia.erl
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@ -22,7 +22,7 @@
-export([init/2, publish/6, delete_published/2, lookup_published/2]).
-export([list_topics/1, use_cache/1]).
-export([init/0]).
-export([subscribe/4, unsubscribe/2, find_subscriber/2]).
-export([subscribe/4, unsubscribe/2, find_subscriber/2, mqtree_match/1]).
-export([open_session/1, close_session/1, lookup_session/1, get_sessions/2]).
-include("logger.hrl").
@ -249,9 +249,16 @@ unsubscribe({U, S, R} = USR, Topic) ->
Reason, [jid:encode(USR), Topic])
end.
find_subscriber(S, Topic) when is_binary(Topic) ->
mqtree_match(Topic) ->
Tree = mqtree:whereis(mqtt_sub_index),
case mqtree:match(Tree, Topic) of
mqtree:match(Tree, Topic).
mqtree_multi_match(Topic) ->
{Res, []} = ejabberd_cluster:multicall(?MODULE, mqtree_match, [Topic]),
lists:umerge(Res).
find_subscriber(S, Topic) when is_binary(Topic) ->
case mqtree_multi_match(Topic) of
[Filter|Filters] ->
find_subscriber(S, {Filters, {Filter, S, '_', '_'}});
[] ->