From 84adefa331c4159d432d22840663c38f155cd4c1 Mon Sep 17 00:00:00 2001
From: Erlang/OTP <otp@erlang.org>
Date: Fri, 20 Nov 2009 14:54:40 +0000
Subject: The R13B03 release.

---
 lib/megaco/test/megaco_codec_flex_lib.erl | 174 ++++++++++++++++++++++++++++++
 1 file changed, 174 insertions(+)
 create mode 100644 lib/megaco/test/megaco_codec_flex_lib.erl

(limited to 'lib/megaco/test/megaco_codec_flex_lib.erl')

diff --git a/lib/megaco/test/megaco_codec_flex_lib.erl b/lib/megaco/test/megaco_codec_flex_lib.erl
new file mode 100644
index 0000000000..de76956711
--- /dev/null
+++ b/lib/megaco/test/megaco_codec_flex_lib.erl
@@ -0,0 +1,174 @@
+%%
+%% %CopyrightBegin%
+%% 
+%% Copyright Ericsson AB 2007-2009. All Rights Reserved.
+%% 
+%% The contents of this file are subject to the Erlang Public License,
+%% Version 1.1, (the "License"); you may not use this file except in
+%% compliance with the License. You should have received a copy of the
+%% Erlang Public License along with this software. If not, it can be
+%% retrieved online at http://www.erlang.org/.
+%% 
+%% Software distributed under the License is distributed on an "AS IS"
+%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+%% the License for the specific language governing rights and limitations
+%% under the License.
+%% 
+%% %CopyrightEnd%
+%%
+
+%%
+%%----------------------------------------------------------------------
+%% Purpose: Utility module used by the codec suites when testing flex 
+%%          configured text codec(s).
+%%----------------------------------------------------------------------
+
+-module(megaco_codec_flex_lib).
+
+%% ----
+
+-include("megaco_test_lib.hrl").
+
+%% ----
+
+-export([
+	 init/1, 
+	 finish/1,
+	 scanner_conf/1,
+	 start/0, 
+	 stop/1
+	 ]).
+
+-export([
+	 handler/1
+	]).  
+
+
+%% ----
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+init(Config) when is_list(Config) ->
+    Flag = process_flag(trap_exit, true),    
+    Res = (catch start()),
+    process_flag(trap_exit, Flag),
+    case Res of
+	{error, Reason} ->
+	    skip(Reason);
+	{ok, FlexConfig} ->
+	    [{flex_scanner, FlexConfig} | Config]
+    end.
+    
+
+finish(Config) when is_list(Config) ->
+    case lists:keysearch(flex_scanner, 1, Config) of
+	{value, {flex_scanner, {Pid, _Conf}}} ->
+	    stop(Pid),
+	    lists:keydelete(flex_scanner, 1, Config);
+	false ->
+	    Config
+    end.
+    
+
+start() ->
+    Pid = proc_lib:spawn(?MODULE, handler, [self()]),
+    receive
+	{flex_scanner_started, Pid, Conf} ->
+	    {ok, {Pid, Conf}};
+	{flex_scanner_error, {failed_loading_flex_scanner_driver, Reason}} ->
+ 	    ?LOG("start_flex_scanner -> failed loading flex scanner driver: "
+ 		 "~n   Reason: ~p~n", [Reason]),
+	    {error, {failed_loading_flex_scanner_driver, Reason}};
+	{flex_scanner_error, Reason} ->
+ 	    ?LOG("start_flex_scanner -> error: "
+ 		 "~n   Reason: ~p~n", [Reason]),
+	    {error, {failed_loading_flex_scanner_driver, Reason}}
+    after 10000 ->
+	    exit(Pid, kill),
+	    {error, {failed_starting_flex_scanner, timeout}}
+    end.
+
+
+scanner_conf(Config) when is_list(Config) ->
+    case lists:keysearch(flex_scanner, 1, Config) of
+	{value, {flex_scanner, {Pid, Conf}}} ->
+	    case ping_flex_scanner(Pid) of
+		ok ->
+		    Conf;
+		Else ->
+		    skip({no_response_from_flex_scanner_handler, Else})
+	    end;
+	false ->
+	    skip("Flex scanner driver not loaded")
+    end.
+
+
+ping_flex_scanner(Pid) ->
+    Pid ! {ping, self()},
+    receive
+	{pong, Pid} ->
+	    ok
+    after 5000 ->
+	    timeout
+    end.
+
+
+stop(Pid) ->
+    Pid ! stop.
+
+
+handler(Pid) ->
+    SMP = erlang:system_info(smp_support), 
+    case (catch megaco_flex_scanner:start(SMP)) of
+	{ok, PortOrPorts} ->
+	    Pid ! {flex_scanner_started, self(), {flex, PortOrPorts}},
+	    handler(Pid, PortOrPorts);
+	{error, {load_driver, {open_error, Reason}}} ->
+	    Error = {failed_loading_flex_scanner_driver, Reason},
+	    Pid ! {flex_scanner_error, Error},
+	    exit(Error);
+	{error, {load_driver, Reason}} ->
+	    Error = {failed_loading_flex_scanner_driver, Reason},
+	    Pid ! {flex_scanner_error, Error},
+	    exit(Error);
+	Else ->
+	    Error = {unknown_result_from_start_flex_scanner, Else},
+	    Pid ! {flex_scanner_error, Error},
+	    exit(Error)
+    end.
+
+handler(Pid, PortOrPorts) ->
+    receive
+	{ping, Pinger} ->
+	    Pinger ! {pong, self()},
+	    handler(Pid, PortOrPorts);
+	{'EXIT', Port, Reason} when (PortOrPorts =:= Port) ->
+	    Pid ! {flex_scanner_exit, Reason},
+	    exit({flex_scanner_exit, Reason});
+	{'EXIT', Port, Reason} when is_port(Port) ->
+	    case megaco_flex_scanner:is_scanner_port(Port, PortOrPorts) of
+		true ->
+		    Pid ! {flex_scanner_exit, Reason},
+		    exit({flex_scanner_exit, Reason});
+		false ->
+		    io:format("flex scanner handler got port exit "
+			      "from unknown:"
+			      "~n   ~p: ~p", [Port, Reason]),
+		    ok
+	    end,
+	    handler(Pid, PortOrPorts);
+	stop ->
+	    megaco_flex_scanner:stop(PortOrPorts),
+	    exit(normal);
+	Other ->
+	    io:format("flex scanner handler got something:~n"
+		      "~p", [Other]),
+	    handler(Pid, PortOrPorts)
+    end.
+	    
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+skip(Reason) ->
+    megaco_codec_test_lib:skip(Reason).
+
-- 
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