Tune the log level

src/emqttd_http.erl

@@ -70,7 +70,7 @@ handle_request(Method, Path, Req) ->
 
 http_publish(Req) ->
     Params = [{iolist_to_binary(Key), Val} || {Key, Val} <- mochiweb_request:parse_post(Req)],
-    lager:info("HTTP Publish: ~p", [Params]),
+    lager:debug("HTTP Publish: ~p", [Params]),
     Topics   = topics(Params),
     ClientId = get_value(<<"client">>, Params, http),
     Qos      = int(get_value(<<"qos">>, Params, "0")),

src/emqttd_plugins.erl

@@ -156,8 +156,8 @@ load_app(App) ->
 start_app(App, SuccFun) ->
     case application:ensure_all_started(App) of
         {ok, Started} ->
-            lager:info("started Apps: ~p", [Started]),
-            lager:info("load plugin ~p successfully", [App]),
+            lager:info("Started Apps: ~p", [Started]),
+            lager:info("Load plugin ~p successfully", [App]),
             SuccFun(App),
             {ok, Started};
         {error, {ErrApp, Reason}} ->
@@ -196,11 +196,11 @@ unload_plugin(App, Persistent) ->
 stop_app(App) ->
     case application:stop(App) of
         ok ->
-            lager:info("stop plugin ~p successfully~n", [App]), ok;
+            lager:info("Stop plugin ~p successfully~n", [App]), ok;
         {error, {not_started, App}} ->
-            lager:error("plugin ~p is not started~n", [App]), ok;
+            lager:error("Plugin ~p is not started~n", [App]), ok;
         {error, Reason} ->
-            lager:error("stop plugin ~p error: ~p", [App]), {error, Reason}
+            lager:error("Stop plugin ~p error: ~p", [App]), {error, Reason}
     end.
 
 %%--------------------------------------------------------------------

src/emqttd_protocol.erl

@@ -344,10 +344,10 @@ send(Packet = ?PACKET(Type),
     {ok, State#proto_state{stats_data = Stats1}}.
 
 trace(recv, Packet, ProtoState) ->
-    ?LOG(info, "RECV ~s", [emqttd_packet:format(Packet)], ProtoState);
+    ?LOG(debug, "RECV ~s", [emqttd_packet:format(Packet)], ProtoState);
 
 trace(send, Packet, ProtoState) ->
-    ?LOG(info, "SEND ~s", [emqttd_packet:format(Packet)], ProtoState).
+    ?LOG(debug, "SEND ~s", [emqttd_packet:format(Packet)], ProtoState).
 
 inc_stats(_Direct, _Type, Stats = #proto_stats{enable_stats = false}) ->
     Stats;
@@ -382,7 +382,7 @@ shutdown(conflict, #proto_state{client_id = _ClientId}) ->
     ignore;
 
 shutdown(Error, State = #proto_state{will_msg = WillMsg}) ->
-    ?LOG(info, "Shutdown for ~p", [Error], State),
+    ?LOG(debug, "Shutdown for ~p", [Error], State),
     Client = client(State),
     send_willmsg(Client, WillMsg),
     emqttd_hooks:run('client.disconnected', [Error], Client),

src/emqttd_server.erl

@@ -102,11 +102,11 @@ trace(publish, From, _Msg) when is_atom(From) ->
     %% Dont' trace '$SYS' publish
     ignore;
 trace(publish, {ClientId, Username}, #mqtt_message{topic = Topic, payload = Payload}) ->
-    lager:info([{client, ClientId}, {topic, Topic}],
-               "~s/~s PUBLISH to ~s: ~p", [ClientId, Username, Topic, Payload]);
-trace(publish, From, #mqtt_message{topic = Topic, payload = Payload}) when is_binary(From); is_list(From) ->
-    lager:info([{client, From}, {topic, Topic}],
-               "~s PUBLISH to ~s: ~p", [From, Topic, Payload]).
+    lager:debug([{client, ClientId}, {topic, Topic}],
+                "~s/~s PUBLISH to ~s: ~p", [ClientId, Username, Topic, Payload]);
+trace(publish, From, #mqtt_message{topic = Topic, payload = Payload}) ->
+    lager:debug([{client, From}, {topic, Topic}],
+                "~s PUBLISH to ~s: ~p", [From, Topic, Payload]).
 
 %% @doc Unsubscribe
 -spec(unsubscribe(binary()) -> ok | emqttd:pubsub_error()).

src/emqttd_session.erl

@@ -379,7 +379,7 @@ handle_cast({subscribe, _From, TopicTable, AckFun},
             State = #state{client_id     = ClientId,
                            username      = Username,
                            subscriptions = Subscriptions}) ->
-    ?LOG(info, "Subscribe ~p", [TopicTable], State),
+    ?LOG(debug, "Subscribe ~p", [TopicTable], State),
     {GrantedQos, Subscriptions1} =
     lists:foldl(fun({Topic, Opts}, {QosAcc, SubMap}) ->
                 NewQos = proplists:get_value(qos, Opts),
@@ -407,7 +407,7 @@ handle_cast({unsubscribe, _From, TopicTable},
             State = #state{client_id     = ClientId,
                            username      = Username,
                            subscriptions = Subscriptions}) ->
-    ?LOG(info, "Unsubscribe ~p", [TopicTable], State),
+    ?LOG(debug, "Unsubscribe ~p", [TopicTable], State),
     Subscriptions1 =
     lists:foldl(fun({Topic, Opts}, SubMap) ->
                 case maps:find(Topic, SubMap) of
@@ -482,7 +482,7 @@ handle_cast({resume, ClientId, ClientPid},
                            await_rel_timer = AwaitTimer,
                            expiry_timer    = ExpireTimer}) ->
 
-    ?LOG(info, "Resumed by ~p", [ClientPid], State),
+    ?LOG(debug, "Resumed by ~p", [ClientPid], State),
 
     %% Cancel Timers
     lists:foreach(fun emqttd_misc:cancel_timer/1,
@@ -552,7 +552,7 @@ handle_info({timeout, _Timer, check_awaiting_rel}, State) ->
     hibernate(expire_awaiting_rel(emit_stats(State#state{await_rel_timer = undefined})));
 
 handle_info({timeout, _Timer, expired}, State) ->
-    ?LOG(info, "Expired, shutdown now.", [], State),
+    ?LOG(debug, "Expired, shutdown now.", [], State),
     shutdown(expired, State);
 
 handle_info({'EXIT', ClientPid, _Reason},
@@ -563,7 +563,7 @@ handle_info({'EXIT', ClientPid, Reason},
             State = #state{clean_sess      = false,
                            client_pid      = ClientPid,
                            expiry_interval = Interval}) ->
-    ?LOG(info, "Client ~p EXIT for ~p", [ClientPid, Reason], State),
+    ?LOG(debug, "Client ~p EXIT for ~p", [ClientPid, Reason], State),
     ExpireTimer = start_timer(Interval, expired),
     State1 = State#state{client_pid = undefined, expiry_timer = ExpireTimer},
     hibernate(emit_stats(State1));

src/emqttd_ws.erl

@@ -39,7 +39,7 @@ handle_request(Req) ->
 %% MQTT Over WebSocket
 %%--------------------------------------------------------------------
 handle_request('GET', "/mqtt", Req) ->
-    lager:info("WebSocket Connection from: ~s", [Req:get(peer)]),
+    lager:debug("WebSocket Connection from: ~s", [Req:get(peer)]),
     Upgrade = Req:get_header_value("Upgrade"),
     Proto   = check_protocol_header(Req),
     case {is_websocket(Upgrade), Proto} of