From 3c1e4f0dfd75d0e51fa0ec2bc42c3dbb5530e121 Mon Sep 17 00:00:00 2001
From: Holger Weiss <holger@zedat.fu-berlin.de>
Date: Wed, 3 Aug 2016 02:15:15 +0200
Subject: [PATCH] XEP-0198: Increase timeout for stream resumption

During stream resumption, the #state is transferred from the old c2s
process to the new one.  This is usually very fast, but under certain
conditions, it can take longer than five seconds.
---
 src/ejabberd_c2s.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ejabberd_c2s.erl b/src/ejabberd_c2s.erl
index 24a2af56d..d69599485 100644
--- a/src/ejabberd_c2s.erl
+++ b/src/ejabberd_c2s.erl
@@ -3059,7 +3059,7 @@ inherit_session_state(#state{user = U, server = S} = StateData, ResumeID) ->
     end.
 
 resume_session({Time, PID}) ->
-    (?GEN_FSM):sync_send_all_state_event(PID, {resume_session, Time}, 5000).
+    (?GEN_FSM):sync_send_all_state_event(PID, {resume_session, Time}, 15000).
 
 make_resume_id(StateData) ->
     {Time, _} = StateData#state.sid,