Add callback function print_state/1 for behavior p1_fsm

diff --git a/src/ejabberd_s2s_in.erl b/src/ejabberd_s2s_in.erl
index c2db348afb56d1fc5a655064b7d55d7dcd413928..af3fd760a9908313596080264c911491fe613a62 100644 (file)
--- a/src/ejabberd_s2s_in.erl
+++ b/src/ejabberd_s2s_in.erl
@@ -44,6 +44,7 @@
         handle_sync_event/4,
         code_change/4,
         handle_info/3,
+        print_state/1,
         terminate/3]).
 
 -include("ejabberd.hrl").
@@ -670,6 +671,13 @@ get_external_hosts(StateData) ->
                [D || {{D, _}, established} <- dict:to_list(Connections)]
     end.
 
+%%----------------------------------------------------------------------
+%% Func: print_state/1
+%% Purpose: Prepare the state to be printed on error log
+%% Returns: State to print
+%%----------------------------------------------------------------------
+print_state(State) ->
+    State.
 
 %%%----------------------------------------------------------------------
 %%% Internal functions