61 lines
1.8 KiB
Erlang
61 lines
1.8 KiB
Erlang
%% Copyright (c) 2013-2019 EMQ Technologies Co., Ltd. All Rights Reserved.
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%%
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%% Licensed under the Apache License, Version 2.0 (the "License");
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%% you may not use this file except in compliance with the License.
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%% You may obtain a copy of the License at
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%%
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%% http://www.apache.org/licenses/LICENSE-2.0
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%%
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%% Unless required by applicable law or agreed to in writing, software
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%% distributed under the License is distributed on an "AS IS" BASIS,
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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%% See the License for the specific language governing permissions and
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%% limitations under the License.
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-module(emqx_flapping_SUITE).
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-compile(export_all).
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-compile(nowarn_export_all).
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-include("emqx.hrl").
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-include_lib("common_test/include/ct.hrl").
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-include_lib("eunit/include/eunit.hrl").
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all() ->
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[t_flapping].
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init_per_suite(Config) ->
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emqx_ct_helpers:start_apps([]),
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prepare_for_test(),
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Config.
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end_per_suite(_Config) ->
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emqx_ct_helpers:stop_apps([]).
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t_flapping(_Config) ->
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process_flag(trap_exit, true),
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flapping_connect(5),
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{ok, C} = emqx_client:start_link([{client_id, <<"Client">>}]),
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{error, _} = emqx_client:connect(C),
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receive
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{'EXIT', Client, _Reason} ->
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ct:log("receive exit signal, Client: ~p", [Client])
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after 1000 ->
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ct:log("timeout")
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end.
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flapping_connect(Times) ->
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[flapping_connect() || _ <- lists:seq(1, Times)].
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flapping_connect() ->
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{ok, C} = emqx_client:start_link([{client_id, <<"Client">>}]),
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{ok, _} = emqx_client:connect(C),
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ok = emqx_client:disconnect(C).
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prepare_for_test() ->
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emqx_zone:set_env(external, enable_flapping_detect, true),
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emqx_zone:set_env(external, flapping_threshold, {10, 60}),
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emqx_zone:set_env(external, flapping_expiry_interval, 3600).
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