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fix #1562 dup flag not set when re-deliver 

The dup flag is not set when redeliver the PUBLISH messages for QoS1 and QoS2
This commit is contained in:
terry-xiaoyu 2018-04-13 16:00:46 +08:00
parent e722e0f6d1
commit 18100cacf9
1 changed files with 3 additions and 4 deletions
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7
src/emqttd_session.erl
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@ -32,7 +32,7 @@
%%
%% QoS 1 and QoS 2 messages pending transmission to the Client.
%%
%% QoS 2 messages which have been received from the Client, but have not
%% QoS 2 messages which have been received from the Client, but have not
%% been completely acknowledged.
%%
%% Optionally, QoS 0 messages pending transmission to the Client.
@ -720,7 +720,7 @@ enqueue_msg(Msg, State = #state{mqueue = Q}) ->
%%--------------------------------------------------------------------
redeliver(Msg = #mqtt_message{qos = QoS}, State) ->
deliver(Msg#mqtt_message{dup = if QoS =:= ?QOS2 -> false; true -> true end}, State);
deliver(Msg#mqtt_message{dup = if QoS =:= ?QOS0 -> false; true -> true end}, State);
redeliver({pubrel, PacketId}, #state{client_pid = Pid}) ->
Pid ! {redeliver, {?PUBREL, PacketId}}.
@ -759,7 +759,7 @@ acked(pubrec, PacketId, State = #state{client_id = ClientId,
case Inflight:lookup(PacketId) of
{publish, Msg, _Ts} ->
emqttd_hooks:run('message.acked', [ClientId, Username], Msg),
State#state{inflight = Inflight:update(PacketId, {pubrel, PacketId, os:timestamp()})};
State#state{inflight = Inflight:update(PacketId, {pubrel, PacketId, os:timestamp()})};
{pubrel, PacketId, _Ts} ->
?LOG(warning, "Duplicated PUBREC Packet: ~p", [PacketId], State),
State
@ -853,4 +853,3 @@ shutdown(Reason, State) ->
gc(State) ->
emqttd_gc:maybe_force_gc(#state.force_gc_count, State).