Remove module 'overload' from SASL

The reason is that the module is not used, and that we se no obvious
use case for it.

1 files changed, 0 insertions, 168 deletions

diff --git a/lib/sasl/test/overload_SUITE.erl b/lib/sasl/test/overload_SUITE.erl
deleted file mode 100644
index 02d1056698..0000000000
--- a/lib/sasl/test/overload_SUITE.erl
+++ /dev/null
@@ -1,168 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2011. 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%
-%%
-
--module(overload_SUITE).
--include_lib("common_test/include/ct.hrl").
-
--compile(export_all).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-all() -> [info, set_config_data, set_env_vars, request, timeout].
-
-init_per_testcase(_Case,Config) ->
-    restart_sasl(),
-    Config.
-
-end_per_testcase(Case,Config) ->
-    try apply(?MODULE,Case,[cleanup,Config])
-    catch error:undef -> ok
-    end,
-    ok.
-
-%%%-----------------------------------------------------------------
-info(_Config) ->
-    Info = overload:get_overload_info(),
-    [{total_intensity,0.0},
-     {accept_intensity,0.0},
-     {max_intensity,0.8},
-     {weight,0.1},
-     {total_requests,0},
-     {accepted_requests,0}] = Info.
-
-%%%-----------------------------------------------------------------
-set_config_data(_Config) ->
-    InfoDefault = overload:get_overload_info(),
-    ok = check_info(0.8,0.1,InfoDefault),
-    ok = overload:set_config_data(0.5,0.4),
-    Info1 = overload:get_overload_info(),
-    ok = check_info(0.5,0.4,Info1),
-    ok.
-
-%%%-----------------------------------------------------------------
-set_env_vars(_Config) ->
-    InfoDefault = overload:get_overload_info(),
-    ok = check_info(0.8,0.1,InfoDefault),
-    ok = application:set_env(sasl,overload_max_intensity,0.5),
-    ok = application:set_env(sasl,overload_weight,0.4),
-    ok = application:stop(sasl),
-    ok = application:start(sasl),
-    Info1 = overload:get_overload_info(),
-    ok = check_info(0.5,0.4,Info1),
-    ok.
-set_env_vars(cleanup,_Config) ->
-    application:unset_env(sasl,overload_max_intensity),
-    application:unset_env(sasl,overload_weight),
-    ok.
-
-%%%-----------------------------------------------------------------
-request(_Config) ->
-    %% Find number of request that can be done with default settings
-    %% and no delay
-    overload:set_config_data(0.8, 0.1),
-    NDefault = do_many_requests(0),
-    restart_sasl(),
-    ?t:format("NDefault: ~p",[NDefault]),
-
-    %% Check that the number of requests increases when max_intensity
-    %% increases
-    overload:set_config_data(2, 0.1),
-    NLargeMI = do_many_requests(0),
-    restart_sasl(),
-    ?t:format("NLargeMI: ~p",[NLargeMI]),
-    true = NLargeMI > NDefault,
-
-    %% Check that the number of requests decreases when weight
-    %% increases
-    overload:set_config_data(0.8, 1),
-    NLargeWeight = do_many_requests(0),
-    restart_sasl(),
-    ?t:format("NLargeWeight: ~p",[NLargeWeight]),
-    true = NLargeWeight < NDefault,
-
-    %% Check that number of requests increases when delay between
-    %% requests increases.
-    %% (Keeping same config and comparing to large weight in order to
-    %% minimize the time needed for this case.)
-    overload:set_config_data(0.8, 1),
-    NLargeTime = do_many_requests(500),
-    restart_sasl(),
-    ?t:format("NLargeTime: ~p",[NLargeTime]),
-    true = NLargeTime > NLargeWeight,
-    ok.
-
-%%%-----------------------------------------------------------------
-timeout(_Config) ->
-    overload:set_config_data(0.8, 1),
-    _N = do_many_requests(0),
-
-    %% Check that the overload alarm is raised
-    [{overload,_}] = alarm_handler:get_alarms(),
-
-    %% Fake a clear timeout in overload.erl and check that, since it
-    %% came very soon after the overload situation, the alarm is not
-    %% cleared
-    overload ! timeout,
-    timer:sleep(1000),
-    [{overload,_}] = alarm_handler:get_alarms(),
-
-    %% A bit later, try again and check that this time the alarm is
-    %% cleared
-    overload ! timeout,
-    timer:sleep(1000),
-    [] = alarm_handler:get_alarms(),
-
-    ok.
-
-
-%%%-----------------------------------------------------------------
-%%% INTERNAL FUNCTIONS
-
-%%%-----------------------------------------------------------------
-%%% Call overload:request/0 up to 30 times with the given time delay
-%%% between. Stop when 'reject' is returned.
-do_many_requests(T) ->
-    30 - do_requests(30,T).
-
-do_requests(0,_) ->
-    ?t:fail(never_rejected);
-do_requests(N,T) ->
-    case overload:request() of
-	accept ->
-	    timer:sleep(T),
-	    do_requests(N-1,T);
-	reject ->
-	    N
-    end.
-
-%%%-----------------------------------------------------------------
-%%% Restart the sasl application
-restart_sasl() ->
-    application:stop(sasl),
-    application:start(sasl),
-    ok.
-
-%%%-----------------------------------------------------------------
-%%% Check that max_intensity and weight is set as expected
-check_info(MI,W,Info) -> 
-    case {lists:keyfind(max_intensity,1,Info), lists:keyfind(weight,1,Info)} of
-	{{_,MI},{_,W}} -> ok;
-	_ -> ?t:fail({unexpected_info,MI,W,Info})
-    end.