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emqx
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remove a transaction

This commit is contained in:
Feng 2016-03-14 15:48:39 +08:00
parent 9584f2a990
commit e08dbf82f6
1 changed files with 8 additions and 4 deletions
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12
src/emqttd_pubsub.erl
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@ -212,8 +212,7 @@ code_change(_OldVsn, State, _Extra) ->
add_subscriber_(Topic, SubPid) ->
case ets:member(subscriber, Topic) of
false ->
mnesia:transaction(fun add_topic_/1, [Topic]),
emqttd_router:add_route(Topic, node()),
mnesia:transaction(fun add_topic_route_/2, [Topic, node()]),
setstats(topic);
true ->
ok
@ -224,13 +223,15 @@ del_subscriber_(Topic, SubPid) ->
ets:delete_object(subscriber, {Topic, SubPid}),
case ets:lookup(subscriber, Topic) of
[] ->
emqttd_router:del_route(Topic, node()),
mnesia:transaction(fun del_topic_/1, [Topic]),
mnesia:transaction(fun del_topic_route_/2, [Topic, node()]),
setstats(topic);
[_|_] ->
ok
end.
add_topic_route_(Topic, Node) ->
add_topic_(Topic), emqttd_router:add_route(Topic, Node).
add_topic_(Topic) ->
add_topic_(Topic, []).
@ -241,6 +242,9 @@ add_topic_(Topic, Flags) ->
[_] -> ok
end.
del_topic_route_(Topic, Node) ->
emqttd_router:del_route(Topic, Node), del_topic_(Topic).
del_topic_(Topic) ->
case emqttd_router:has_route(Topic) of
true -> ok;