Merge branch 'siri/common_test/ct_netconfc-close-problems' into maint

* siri/common_test/ct_netconfc-close-problems:
  [common_test] Allow server to terminate netconf session before rpc-reply
  [common_test] Ensure process down after ct_netconf:close_session

1 files changed, 27 insertions, 6 deletions

diff --git a/lib/common_test/src/ct_netconfc.erl b/lib/common_test/src/ct_netconfc.erl
index 52fe9599ce..294b82bff6 100644
--- a/lib/common_test/src/ct_netconfc.erl
+++ b/lib/common_test/src/ct_netconfc.erl
@@ -968,7 +968,7 @@ close_session(Client) ->
 %% @end
 %%----------------------------------------------------------------------
 close_session(Client, Timeout) ->
-    call(Client,{send_rpc_op, close_session, [], Timeout}).
+    call(Client,{send_rpc_op, close_session, [], Timeout}, true).
 
 
 %%----------------------------------------------------------------------
@@ -1121,17 +1121,38 @@ close(Client) ->
 %% Internal functions
 %%----------------------------------------------------------------------
 call(Client, Msg) ->
-    call(Client, Msg, infinity).
-call(Client, Msg, Timeout) ->
+    call(Client, Msg, infinity, false).
+call(Client, Msg, Timeout) when is_integer(Timeout); Timeout==infinity ->
+    call(Client, Msg, Timeout, false);
+call(Client, Msg, WaitStop) when is_boolean(WaitStop) ->
+    call(Client, Msg, infinity, WaitStop).
+call(Client, Msg, Timeout, WaitStop) ->
     case get_handle(Client) of
 	{ok,Pid} ->
 	    case ct_gen_conn:call(Pid,Msg,Timeout) of
-		{error,{process_down,Client,noproc}} ->
+		{error,{process_down,Pid,noproc}} ->
 		    {error,no_such_client};
-		{error,{process_down,Client,normal}} ->
+		{error,{process_down,Pid,normal}} when WaitStop ->
+		    %% This will happen when server closes connection
+		    %% before clien received rpc-reply on
+		    %% close-session.
+		    ok;
+		{error,{process_down,Pid,normal}} ->
 		    {error,closed};
-		{error,{process_down,Client,Reason}} ->
+		{error,{process_down,Pid,Reason}} ->
 		    {error,{closed,Reason}};
+		Other when WaitStop ->
+		    MRef = erlang:monitor(process,Pid),
+		    receive
+			{'DOWN',MRef,process,Pid,Normal} when Normal==normal;
+							      Normal==noproc ->
+			    Other;
+			{'DOWN',MRef,process,Pid,Reason} ->
+			    {error,{{closed,Reason},Other}}
+		    after Timeout ->
+			    erlang:demonitor(MRef, [flush]),
+			    {error,{timeout,Other}}
+		    end;
 		Other ->
 		    Other
 	    end;