From 1428223a2b1cfbbd85d3e2a1f02dce7c71b6603a Mon Sep 17 00:00:00 2001
From: Ery Lee <ery.lee@gmail.com>
Date: Wed, 25 Mar 2015 23:23:25 +0800
Subject: [PATCH] trace

---
 apps/emqttd/src/emqttd.erl       |  8 +++++
 apps/emqttd/src/emqttd_trace.erl | 51 ++++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+)
 create mode 100644 apps/emqttd/src/emqttd_trace.erl

diff --git a/apps/emqttd/src/emqttd.erl b/apps/emqttd/src/emqttd.erl
index f9d70fc04..578280c42 100644
--- a/apps/emqttd/src/emqttd.erl
+++ b/apps/emqttd/src/emqttd.erl
@@ -79,4 +79,12 @@ is_running(Node) ->
         Pid when is_pid(Pid) -> true
     end.
 
+%% TODO: publish chain...
+publish(FromClient, Topic, Message) ->
+    emqttd_router:route(Message).
+
+%% TODO: subscribe: subscribe chain...
+subscribe(FromClient, Topic) ->
+    emqttd_pubsub:subscribe(Topic).
+
 
diff --git a/apps/emqttd/src/emqttd_trace.erl b/apps/emqttd/src/emqttd_trace.erl
new file mode 100644
index 000000000..3c25a2e3c
--- /dev/null
+++ b/apps/emqttd/src/emqttd_trace.erl
@@ -0,0 +1,51 @@
+%%%-----------------------------------------------------------------------------
+%%% @Copyright (C) 2012-2015, Feng Lee <feng@emqtt.io>
+%%%
+%%% Permission is hereby granted, free of charge, to any person obtaining a copy
+%%% of this software and associated documentation files (the "Software"), to deal
+%%% in the Software without restriction, including without limitation the rights
+%%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+%%% copies of the Software, and to permit persons to whom the Software is
+%%% furnished to do so, subject to the following conditions:
+%%%
+%%% The above copyright notice and this permission notice shall be included in all
+%%% copies or substantial portions of the Software.
+%%%
+%%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+%%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+%%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+%%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+%%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+%%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+%%% SOFTWARE.
+%%%-----------------------------------------------------------------------------
+%%% @doc
+%%% emqttd trace.
+%%%
+%%% @end
+%%%-----------------------------------------------------------------------------
+-module(emqttd_trace).
+
+%% Trace publish messages and write to file..
+%%------------------------------------------------------------------------------
+%% @doc
+%% Start to trace client or topic.
+%%
+%% @end
+%%------------------------------------------------------------------------------
+start_trace(client, ClientId) ->
+    ok;
+start_trace(topic, Topic) ->
+    ok.
+
+%%------------------------------------------------------------------------------
+%% @doc
+%% Stop tracing client or topic.
+%%
+%% @end
+%%------------------------------------------------------------------------------
+stop_trace(client, ClientId) ->
+    ok;
+stop_trace(topic, Topic) ->
+    ok.
+