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%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2007-2010. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%
%%----------------------------------------------------------------------
%% Purpose: Utility module for the generator users
%%----------------------------------------------------------------------
-module(megaco_test_generator_lib).
-export([
await_completion/1, await_completion/2
]).
%%%=========================================================================
%%% API
%%%=========================================================================
await_completion(Tags) ->
await_completion(Tags, infinity).
await_completion(Tags, Timeout) ->
TmrRef = start_timer(Timeout),
await_completion(TmrRef, Tags, [], []).
await_completion(TmrRef, [], OK, []) ->
stop_timer(TmrRef),
{ok, OK};
await_completion(TmrRef, [], OK, ERROR) ->
stop_timer(TmrRef),
{error, {OK, ERROR}};
await_completion(TmrRef, Tags, OK, ERROR) ->
receive
exec_complete_timeout ->
{error, {timeout, Tags, OK, ERROR}};
{exec_complete, Tag, ok, Result} ->
case lists:delete(Tag, Tags) of
Tags ->
%% Unknown => ignore
await_completion(TmrRef, Tags, OK, ERROR);
Tags2 ->
await_completion(TmrRef, Tags2, [{Tag, Result}|OK], ERROR)
end;
{exec_complete, Tag, error, Reason} ->
case lists:delete(Tag, Tags) of
Tags ->
%% Unknown => ignore
await_completion(TmrRef, Tags, OK, ERROR);
Tags2 ->
await_completion(TmrRef, Tags2, OK, [{Tag, Reason}|ERROR])
end
end.
start_timer(infinity) ->
undefined;
start_timer(Timeout) when is_integer(Timeout) andalso (Timeout > 0) ->
Msg = exec_complete_timeout,
erlang:send_after(Timeout, self(), Msg).
stop_timer(undefined) ->
ok;
stop_timer(TmrRef) ->
erlang:cancel_timer(TmrRef).
|
