From 7abc667f7df69011a1add7877f3b9bc47a6a8a41 Mon Sep 17 00:00:00 2001
From: Feng Lee <ery.lee@gmail.com>
Date: Wed, 7 Dec 2016 19:15:44 +0800
Subject: [PATCH] iolist_size/1

---
 src/emqttd_ws_client.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/emqttd_ws_client.erl b/src/emqttd_ws_client.erl
index f9cce71d0..1fc9fa60f 100644
--- a/src/emqttd_ws_client.erl
+++ b/src/emqttd_ws_client.erl
@@ -69,7 +69,7 @@ init([MqttEnv, WsPid, Req, ReplyChannel]) ->
     %% SendFun = fun(Payload) -> ReplyChannel({binary, Payload}) end,
     SendFun = fun(Packet) ->
                   Data = emqttd_serializer:serialize(Packet),
-                  emqttd_metrics:inc('bytes/sent', size(Data)),
+                  emqttd_metrics:inc('bytes/sent', iolist_size(Data)),
                   ReplyChannel({binary, Data})
               end,
     ProtoState = emqttd_protocol:init(Peername, SendFun,