test(persistent_sessions): stabilize flaky tests
This commit is contained in:
Tobias Lindahl
parent
7ae6e04582
commit
ec68d7fc58
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@ -58,7 +58,9 @@
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, lookup_channels/2
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]).
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-export([all_channels/0]).
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-export([ all_channels/0
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, all_client_ids/0
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]).
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%% gen_server callbacks
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-export([ init/1
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@ -400,6 +402,11 @@ all_channels() ->
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Pat = [{{'_', '$1'}, [], ['$1']}],
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ets:select(?CHAN_TAB, Pat).
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all_client_ids() ->
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Pat = [{{'$1', '_'}, [], ['$1']}],
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ets:select(?CHAN_TAB, Pat).
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%% @doc Lookup channels.
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-spec(lookup_channels(emqx_types:clientid()) -> list(chan_pid())).
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lookup_channels(ClientId) ->
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@ -113,6 +113,8 @@ init_per_group(snabbkaffe, Config) ->
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[ {kill_connection_process, true} | Config];
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init_per_group(gc_tests, Config) ->
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%% We need to make sure the system does not interfere with this test group.
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[maybe_kill_connection_process(ClientId, [{kill_connection_process, true}])
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|| ClientId <- emqx_cm:all_client_ids()],
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emqx_common_test_helpers:stop_apps([]),
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SessionMsgEts = gc_tests_session_store,
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MsgEts = gc_tests_msg_store,
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@ -230,32 +232,48 @@ receive_messages(Count, Msgs) ->
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maybe_kill_connection_process(ClientId, Config) ->
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case ?config(kill_connection_process, Config) of
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true ->
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[ConnectionPid] = emqx_cm:lookup_channels(ClientId),
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?assert(is_pid(ConnectionPid)),
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Ref = monitor(process, ConnectionPid),
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ConnectionPid ! die_if_test,
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receive {'DOWN', Ref, process, ConnectionPid, normal} -> ok
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after 3000 -> error(process_did_not_die)
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case emqx_cm:lookup_channels(ClientId) of
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[] ->
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ok;
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[ConnectionPid] ->
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?assert(is_pid(ConnectionPid)),
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Ref = monitor(process, ConnectionPid),
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ConnectionPid ! die_if_test,
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receive {'DOWN', Ref, process, ConnectionPid, normal} -> ok
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after 3000 -> error(process_did_not_die)
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end,
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wait_for_cm_unregister(ClientId)
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end;
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false ->
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ok
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end.
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snabbkaffe_sync_publish(Topic, Payloads, Config) ->
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wait_for_cm_unregister(ClientId) ->
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wait_for_cm_unregister(ClientId, 10).
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wait_for_cm_unregister(_ClientId, 0) ->
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error(cm_did_not_unregister);
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wait_for_cm_unregister(ClientId, N) ->
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case emqx_cm:lookup_channels(ClientId) of
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[] -> ok;
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[_] -> timer:sleep(100), wait_for_cm_unregister(ClientId, N - 1)
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end.
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snabbkaffe_sync_publish(Topic, Payloads) ->
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Fun = fun(Client, Payload) ->
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?wait_async_action( {ok, _} = emqtt:publish(Client, Topic, Payload, 2)
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, #{?snk_kind := ps_persist_msg, payload := Payload}
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)
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end,
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do_publish(Payloads, Fun, Config).
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do_publish(Payloads, Fun).
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publish(Topic, Payloads, Config) ->
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publish(Topic, Payloads) ->
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Fun = fun(Client, Payload) ->
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{ok, _} = emqtt:publish(Client, Topic, Payload, 2)
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end,
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do_publish(Payloads, Fun, Config).
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do_publish(Payloads, Fun).
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do_publish(Payloads = [_|_], PublishFun, Config) ->
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do_publish(Payloads = [_|_], PublishFun) ->
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%% Publish from another process to avoid connection confusion.
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{Pid, Ref} =
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spawn_monitor(
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@ -272,8 +290,8 @@ do_publish(Payloads = [_|_], PublishFun, Config) ->
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{'DOWN', Ref, process, Pid, normal} -> ok;
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{'DOWN', Ref, process, Pid, What} -> error({failed_publish, What})
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end;
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do_publish(Payload, PublishFun, Config) ->
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do_publish([Payload], PublishFun, Config).
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do_publish(Payload, PublishFun) ->
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do_publish([Payload], PublishFun).
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%%--------------------------------------------------------------------
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%% Test Cases
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@ -297,7 +315,7 @@ t_connect_session_expiry_interval(Config) ->
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maybe_kill_connection_process(ClientId, Config),
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publish(Topic, Payload, Config),
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publish(Topic, Payload),
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{ok, Client2} = emqtt:start_link([ {clientid, ClientId},
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{proto_ver, v5},
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@ -424,7 +442,7 @@ t_process_dies_session_expires(Config) ->
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maybe_kill_connection_process(ClientId, Config),
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ok = publish(Topic, [Payload], Config),
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ok = publish(Topic, [Payload]),
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SessionId =
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case ?config(persistent_store_enabled, Config) of
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@ -498,7 +516,7 @@ t_publish_while_client_is_gone(Config) ->
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ok = emqtt:disconnect(Client1),
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maybe_kill_connection_process(ClientId, Config),
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ok = publish(Topic, [Payload1, Payload2], Config),
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ok = publish(Topic, [Payload1, Payload2]),
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{ok, Client2} = emqtt:start_link([ {proto_ver, v5},
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{clientid, ClientId},
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@ -544,7 +562,7 @@ t_clean_start_drops_subscriptions(Config) ->
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maybe_kill_connection_process(ClientId, Config),
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%% 2.
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ok = publish(Topic, Payload1, Config),
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ok = publish(Topic, Payload1),
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%% 3.
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{ok, Client2} = emqtt:start_link([ {proto_ver, v5},
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@ -556,7 +574,7 @@ t_clean_start_drops_subscriptions(Config) ->
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?assertEqual(0, client_info(session_present, Client2)),
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{ok, _, [2]} = emqtt:subscribe(Client2, STopic, qos2),
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ok = publish(Topic, Payload2, Config),
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ok = publish(Topic, Payload2),
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[Msg1] = receive_messages(1),
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?assertEqual({ok, iolist_to_binary(Payload2)}, maps:find(payload, Msg1)),
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@ -571,7 +589,7 @@ t_clean_start_drops_subscriptions(Config) ->
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| Config]),
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{ok, _} = emqtt:ConnFun(Client3),
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ok = publish(Topic, Payload3, Config),
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ok = publish(Topic, Payload3),
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[Msg2] = receive_messages(1),
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?assertEqual({ok, iolist_to_binary(Payload3)}, maps:find(payload, Msg2)),
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@ -625,7 +643,7 @@ t_multiple_subscription_matches(Config) ->
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maybe_kill_connection_process(ClientId, Config),
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publish(Topic, Payload, Config),
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publish(Topic, Payload),
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{ok, Client2} = emqtt:start_link([ {clientid, ClientId},
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{proto_ver, v5},
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@ -675,9 +693,9 @@ t_lost_messages_because_of_gc(Config) ->
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{ok, _, [2]} = emqtt:subscribe(Client1, STopic, qos2),
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emqtt:disconnect(Client1),
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maybe_kill_connection_process(ClientId, Config),
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publish(Topic, Payload1, Config),
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publish(Topic, Payload1),
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timer:sleep(2 * Retain),
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publish(Topic, Payload2, Config),
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publish(Topic, Payload2),
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emqx_persistent_session_gc:message_gc_worker(),
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{ok, Client2} = emqtt:start_link([ {clientid, ClientId},
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{clean_start, false},
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@ -790,7 +808,7 @@ t_snabbkaffe_pending_messages(Config) ->
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?check_trace(
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begin
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snabbkaffe_sync_publish(Topic, Payloads, Config),
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snabbkaffe_sync_publish(Topic, Payloads),
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{ok, Client2} = emqtt:start_link([{clean_start, false} | EmqttOpts]),
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{ok, _} = emqtt:ConnFun(Client2),
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Msgs = receive_messages(length(Payloads)),
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@ -829,7 +847,7 @@ t_snabbkaffe_buffered_messages(Config) ->
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ok = emqtt:disconnect(Client1),
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maybe_kill_connection_process(ClientId, Config),
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publish(Topic, Payloads1, Config),
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publish(Topic, Payloads1),
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?check_trace(
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begin
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@ -838,7 +856,7 @@ t_snabbkaffe_buffered_messages(Config) ->
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#{ ?snk_kind := ps_resume_end }),
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spawn_link(fun() ->
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?block_until(#{ ?snk_kind := ps_marker_pendings_msgs }, infinity, 5000),
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publish(Topic, Payloads2, Config)
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publish(Topic, Payloads2)
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end),
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{ok, Client2} = emqtt:start_link([{clean_start, false} | EmqttOpts]),
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{ok, _} = emqtt:ConnFun(Client2),
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