From 3caa41f751d3a72e3b126939fa4d1b05b4f58fec Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=91=A8=E5=AD=90=E5=8D=9A?= <349832309@qq.com>
Date: Sat, 8 Sep 2018 18:59:57 +0800
Subject: [PATCH] Add run hook when duplicated subscription

---
 src/emqx_session.erl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/emqx_session.erl b/src/emqx_session.erl
index 8e6e150c5..118ab6e21 100644
--- a/src/emqx_session.erl
+++ b/src/emqx_session.erl
@@ -444,6 +444,7 @@ handle_cast({subscribe, FromPid, {PacketId, _Properties, TopicFilters}},
         lists:foldr(fun({Topic, SubOpts = #{qos := QoS}}, {RcAcc, SubMap}) ->
                             {[QoS|RcAcc], case maps:find(Topic, SubMap) of
                                               {ok, SubOpts} ->
+                                                  emqx_hooks:run('session.subscribed', [#{client_id => ClientId}, Topic, SubOpts#{first => false}]),
                                                   SubMap;
                                               {ok, _SubOpts} ->
                                                   emqx_broker:set_subopts(Topic, {self(), ClientId}, SubOpts),