From 954d46cab3bc07d4492f699748178f4db39980fa Mon Sep 17 00:00:00 2001
From: Feng Lee <ery.lee@gmail.com>
Date: Wed, 27 May 2015 13:14:26 +0800
Subject: [PATCH] timestamp/0

---
 apps/emqttd/src/emqttd_util.erl | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/apps/emqttd/src/emqttd_util.erl b/apps/emqttd/src/emqttd_util.erl
index 7ec6459e3..eca61b4b0 100644
--- a/apps/emqttd/src/emqttd_util.erl
+++ b/apps/emqttd/src/emqttd_util.erl
@@ -30,7 +30,8 @@
 
 -export([apply_module_attributes/1,
          all_module_attributes/1,
-         cancel_timer/1]).
+         cancel_timer/1,
+         timestamp/0, microsecs/0]).
 
 -export([integer_to_binary/1]).
 
@@ -90,4 +91,11 @@ cancel_timer(Ref) ->
 integer_to_binary(I) when is_integer(I) ->
     list_to_binary(integer_to_list(I)).
 
+timestamp() ->
+    {MegaSecs, Secs, _MicroSecs} = os:timestamp(),
+    MegaSecs * 1000000 + Secs.
+
+microsecs() ->
+    {Mega, Sec, Micro} = erlang:now(),
+    (Mega * 1000000 + Sec) * 1000000 + Micro.