fix(sessds): Store the QoS as the MSB of the packet ID
This commit is contained in:
ieQu1
parent
978a3bfef3
commit
cff6c15e13
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@ -409,27 +409,26 @@ do_t_session_discard(Params) ->
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?retry(
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_Sleep0 = 100,
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_Attempts0 = 50,
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true = map_size(emqx_persistent_session_ds:list_all_streams()) > 0
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#{} = emqx_persistent_session_ds_state:print_session(ClientId)
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),
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ok = emqtt:stop(Client0),
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?tp(notice, "disconnected", #{}),
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?tp(notice, "reconnecting", #{}),
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%% we still have streams
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?assert(map_size(emqx_persistent_session_ds:list_all_streams()) > 0),
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%% we still have the session:
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?assertMatch(#{}, emqx_persistent_session_ds_state:print_session(ClientId)),
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Client1 = start_client(ReconnectOpts),
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{ok, _} = emqtt:connect(Client1),
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?assertEqual([], emqtt:subscriptions(Client1)),
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case is_persistent_connect_opts(ReconnectOpts) of
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true ->
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?assertMatch(#{ClientId := _}, emqx_persistent_session_ds:list_all_sessions());
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?assertMatch(#{}, emqx_persistent_session_ds_state:print_session(ClientId));
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false ->
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?assertEqual(#{}, emqx_persistent_session_ds:list_all_sessions())
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?assertEqual(
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undefined, emqx_persistent_session_ds_state:print_session(ClientId)
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)
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end,
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?assertEqual(#{}, emqx_persistent_session_ds:list_all_subscriptions()),
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?assertEqual([], emqx_persistent_session_ds_router:topics()),
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?assertEqual(#{}, emqx_persistent_session_ds:list_all_streams()),
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?assertEqual(#{}, emqx_persistent_session_ds:list_all_pubranges()),
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ok = emqtt:stop(Client1),
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?tp(notice, "disconnected", #{}),
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@ -486,7 +485,7 @@ do_t_session_expiration(_Config, Opts) ->
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Client0 = start_client(Params0),
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{ok, _} = emqtt:connect(Client0),
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{ok, _, [?RC_GRANTED_QOS_2]} = emqtt:subscribe(Client0, Topic, ?QOS_2),
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Subs0 = emqx_persistent_session_ds:list_all_subscriptions(),
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#{subscriptions := Subs0} = emqx_persistent_session_ds:print_session(ClientId),
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?assertEqual(1, map_size(Subs0), #{subs => Subs0}),
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Info0 = maps:from_list(emqtt:info(Client0)),
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?assertEqual(0, maps:get(session_present, Info0), #{info => Info0}),
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@ -67,7 +67,7 @@
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]).
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%% session table operations
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-export([create_tables/0]).
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-export([create_tables/0, sync/1]).
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%% internal export used by session GC process
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-export([destroy_session/1]).
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@ -133,6 +133,11 @@
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timer() => reference()
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}.
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-record(req_sync, {
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from :: pid(),
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ref :: reference()
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}).
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-type stream_state() :: #ifs{}.
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-type timestamp() :: emqx_utils_calendar:epoch_millisecond().
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@ -147,7 +152,8 @@
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inflight_cnt,
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inflight_max,
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mqueue_len,
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mqueue_dropped
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mqueue_dropped,
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awaiting_rel_cnt
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]).
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%%
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@ -227,8 +233,8 @@ info(mqueue_dropped, _Session) ->
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%% PacketId;
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% info(awaiting_rel, #sessmem{awaiting_rel = AwaitingRel}) ->
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% AwaitingRel;
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% info(awaiting_rel_cnt, #sessmem{awaiting_rel = AwaitingRel}) ->
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% maps:size(AwaitingRel);
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info(awaiting_rel_cnt, #{s := S}) ->
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seqno_diff(?QOS_2, ?dup(?QOS_2), ?committed(?QOS_2), S);
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info(awaiting_rel_max, #{props := Conf}) ->
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maps:get(max_awaiting_rel, Conf);
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info(await_rel_timeout, #{props := Conf}) ->
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@ -447,6 +453,10 @@ handle_timeout(_ClientInfo, ?TIMER_BUMP_LAST_ALIVE_AT, Session0 = #{s := S0}) ->
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Session0#{s => S}
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),
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{ok, [], Session};
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handle_timeout(_ClientInfo, #req_sync{from = From, ref = Ref}, Session = #{s := S0}) ->
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S = emqx_persistent_session_ds_state:commit(S0),
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From ! Ref,
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{ok, [], Session#{s => S}};
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handle_timeout(_ClientInfo, expire_awaiting_rel, Session) ->
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%% TODO: stub
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{ok, [], Session}.
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@ -508,6 +518,22 @@ terminate(_Reason, _Session = #{s := S}) ->
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create_tables() ->
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emqx_persistent_session_ds_state:create_tables().
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%% @doc Force syncing of the transient state to persistent storage
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sync(ClientId) ->
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case emqx_cm:lookup_channels(ClientId) of
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[Pid] ->
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Ref = monitor(process, Pid),
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Pid ! {emqx_session, #req_sync{from = self(), ref = Ref}},
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receive
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{'DOWN', Ref, process, _Pid, Reason} ->
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{error, Reason};
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Ref ->
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ok
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end;
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[] ->
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{error, noproc}
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end.
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-define(IS_EXPIRED(NOW_MS, LAST_ALIVE_AT, EI),
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(is_number(LAST_ALIVE_AT) andalso
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is_number(EI) andalso
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@ -615,7 +641,6 @@ do_ensure_all_iterators_closed(_DSSessionID) ->
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fetch_new_messages(Session = #{s := S}, ClientInfo) ->
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Streams = emqx_persistent_session_ds_stream_scheduler:find_new_streams(S),
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?SLOG(debug, #{msg => "fill_buffer", streams => Streams}),
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fetch_new_messages(Streams, Session, ClientInfo).
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fetch_new_messages([], Session, _ClientInfo) ->
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@ -649,32 +674,24 @@ new_batch({StreamKey, Ifs0}, BatchSize, Session = #{s := S0}, ClientInfo) ->
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enqueue_batch(IsReplay, BatchSize, Ifs0, Session = #{inflight := Inflight0}, ClientInfo) ->
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#ifs{
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it_begin = ItBegin,
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it_end = ItEnd,
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it_begin = ItBegin0,
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it_end = ItEnd0,
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first_seqno_qos1 = FirstSeqnoQos1,
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first_seqno_qos2 = FirstSeqnoQos2
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} = Ifs0,
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It0 =
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ItBegin =
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case IsReplay of
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true -> ItBegin;
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false -> ItEnd
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true -> ItBegin0;
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false -> ItEnd0
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end,
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case emqx_ds:next(?PERSISTENT_MESSAGE_DB, It0, BatchSize) of
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{ok, It, []} ->
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%% No new messages; just update the end iterator:
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logger:warning(#{msg => "batch_empty"}),
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{Ifs0#ifs{it_end = It}, Inflight0};
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{ok, end_of_stream} ->
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%% No new messages; just update the end iterator:
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{Ifs0#ifs{it_end = end_of_stream}, Inflight0};
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{ok, It, [{K, _} | _] = Messages} ->
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logger:warning(#{msg => "batch", it => K, msgs => length(Messages)}),
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case emqx_ds:next(?PERSISTENT_MESSAGE_DB, ItBegin, BatchSize) of
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{ok, ItEnd, Messages} ->
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{Inflight, LastSeqnoQos1, LastSeqnoQos2} = process_batch(
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IsReplay, Session, ClientInfo, FirstSeqnoQos1, FirstSeqnoQos2, Messages, Inflight0
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),
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Ifs = Ifs0#ifs{
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it_begin = It0,
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it_end = It,
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it_begin = ItBegin,
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it_end = ItEnd,
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%% TODO: it should be possible to avoid calling
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%% length here by diffing size of inflight before
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%% and after inserting messages:
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@ -683,11 +700,17 @@ enqueue_batch(IsReplay, BatchSize, Ifs0, Session = #{inflight := Inflight0}, Cli
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last_seqno_qos2 = LastSeqnoQos2
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},
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{Ifs, Inflight};
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{ok, end_of_stream} ->
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%% No new messages; just update the end iterator:
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{Ifs0#ifs{it_begin = ItBegin, it_end = end_of_stream, batch_size = 0}, Inflight0};
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{error, _} when not IsReplay ->
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?SLOG(debug, #{msg => "failed_to_fetch_batch", iterator => It0}),
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?SLOG(info, #{msg => "failed_to_fetch_batch", iterator => ItBegin}),
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{Ifs0, Inflight0}
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end.
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%% key_of_iter(#{3 := #{3 := #{5 := K}}}) ->
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%% K.
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process_batch(_IsReplay, _Session, _ClientInfo, LastSeqNoQos1, LastSeqNoQos2, [], Inflight) ->
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{Inflight, LastSeqNoQos1, LastSeqNoQos2};
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process_batch(
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@ -885,6 +908,9 @@ commit_seqno(Track, PacketId, Session = #{id := SessionId, s := S}) ->
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%% generation
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%% --------------------------------------------------------------------
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-define(EPOCH_BITS, 15).
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-define(PACKET_ID_MASK, 2#111_1111_1111_1111).
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%% Epoch size = `16#10000 div 2' since we generate different sets of
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%% packet IDs for QoS1 and QoS2:
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-define(EPOCH_SIZE, 16#8000).
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@ -895,8 +921,8 @@ commit_seqno(Track, PacketId, Session = #{id := SessionId, s := S}) ->
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seqno().
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packet_id_to_seqno(PacketId, S) ->
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NextSeqNo = emqx_persistent_session_ds_state:get_seqno(?next(packet_id_to_qos(PacketId)), S),
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Epoch = NextSeqNo bsr 15,
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SeqNo = (Epoch bsl 15) + (PacketId bsr 1),
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Epoch = NextSeqNo bsr ?EPOCH_BITS,
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SeqNo = (Epoch bsl ?EPOCH_BITS) + (PacketId band ?PACKET_ID_MASK),
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case SeqNo =< NextSeqNo of
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true ->
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SeqNo;
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@ -920,15 +946,31 @@ inc_seqno(Qos, SeqNo) ->
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%% Note: we use the least significant bit to store the QoS. Even
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%% packet IDs are QoS1, odd packet IDs are QoS2.
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seqno_to_packet_id(?QOS_1, SeqNo) ->
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(SeqNo bsl 1) band 16#ffff;
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SeqNo band ?PACKET_ID_MASK;
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seqno_to_packet_id(?QOS_2, SeqNo) ->
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((SeqNo bsl 1) band 16#ffff) bor 1.
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SeqNo band ?PACKET_ID_MASK bor ?EPOCH_SIZE.
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packet_id_to_qos(PacketId) ->
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case PacketId band 1 of
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0 -> ?QOS_1;
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1 -> ?QOS_2
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end.
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PacketId bsr ?EPOCH_BITS + 1.
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seqno_diff(Qos, A, B, S) ->
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seqno_diff(
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Qos,
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emqx_persistent_session_ds_state:get_seqno(A, S),
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emqx_persistent_session_ds_state:get_seqno(B, S)
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).
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%% Dialyzer complains about the second clause, since it's currently
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%% unused, shut it up:
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-dialyzer({nowarn_function, seqno_diff/3}).
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seqno_diff(?QOS_1, A, B) ->
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%% For QoS1 messages we skip a seqno every time the epoch changes,
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%% we need to substract that from the diff:
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EpochA = A bsr ?EPOCH_BITS,
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EpochB = B bsr ?EPOCH_BITS,
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A - B - (EpochA - EpochB);
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seqno_diff(?QOS_2, A, B) ->
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A - B.
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%%--------------------------------------------------------------------
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%% Tests
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@ -942,7 +984,7 @@ packet_id_to_qos(PacketId) ->
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list_all_sessions() ->
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maps:from_list(
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[
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{Id, emqx_persistent_session_ds_state:print_session(Id)}
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{Id, print_session(Id)}
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|| Id <- emqx_persistent_session_ds_state:list_sessions()
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]
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).
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@ -961,7 +1003,7 @@ seqno_gen(NextSeqNo) ->
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next_seqno_gen() ->
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?LET(
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{Epoch, Offset},
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{non_neg_integer(), non_neg_integer()},
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{non_neg_integer(), range(0, ?EPOCH_SIZE)},
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Epoch bsl 15 + Offset
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).
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@ -995,6 +1037,7 @@ inc_seqno_prop() ->
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PacketId = seqno_to_packet_id(Qos, NewSeqNo),
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?WHENFAIL(
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begin
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io:format(user, " *** QoS = ~p~n", [Qos]),
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io:format(user, " *** SeqNo = ~p -> ~p~n", [SeqNo, NewSeqNo]),
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io:format(user, " *** PacketId = ~p~n", [PacketId])
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end,
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@ -1003,9 +1046,30 @@ inc_seqno_prop() ->
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end
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).
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seqno_diff_prop() ->
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?FORALL(
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{Qos, SeqNo, N},
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{oneof([?QOS_1, ?QOS_2]), next_seqno_gen(), range(0, 100)},
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?IMPLIES(
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seqno_to_packet_id(Qos, SeqNo) > 0,
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begin
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NewSeqNo = apply_n_times(N, fun(A) -> inc_seqno(Qos, A) end, SeqNo),
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Diff = seqno_diff(Qos, NewSeqNo, SeqNo),
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?WHENFAIL(
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begin
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io:format(user, " *** QoS = ~p~n", [Qos]),
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io:format(user, " *** SeqNo = ~p -> ~p~n", [SeqNo, NewSeqNo]),
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io:format(user, " *** N : ~p == ~p~n", [N, Diff])
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end,
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N =:= Diff
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)
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end
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)
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).
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seqno_proper_test_() ->
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Props = [packet_id_to_seqno_prop(), inc_seqno_prop()],
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Opts = [{numtests, 10000}, {to_file, user}],
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Props = [packet_id_to_seqno_prop(), inc_seqno_prop(), seqno_diff_prop()],
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Opts = [{numtests, 1000}, {to_file, user}],
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{timeout, 30,
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{setup,
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fun() ->
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@ -1019,4 +1083,9 @@ seqno_proper_test_() ->
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end,
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[?_assert(proper:quickcheck(Prop, Opts)) || Prop <- Props]}}.
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apply_n_times(0, Fun, A) ->
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A;
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apply_n_times(N, Fun, A) when N > 0 ->
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apply_n_times(N - 1, Fun, Fun(A)).
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-endif.
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@ -42,8 +42,8 @@
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%% retransmitted with DUP flag.
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%%
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%% 2. After it receives PUBREC from the client for the QoS2 message.
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%% Upon session reconnect, PUBREL for QoS2 messages with seqno in
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%% committed..dup are retransmitted.
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%% Upon session reconnect, PUBREL messages for QoS2 messages with
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%% seqno in committed..dup are retransmitted.
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-define(dup(QOS), (10 + QOS)).
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%% Last seqno assigned to a message.
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-define(next(QOS), (20 + QOS)).
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@ -65,16 +65,4 @@
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last_seqno_qos2 = 0 :: emqx_persistent_session_ds:seqno()
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}).
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%% TODO: remove
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-record(session, {
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%% same as clientid
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id :: emqx_persistent_session_ds:id(),
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%% creation time
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created_at :: _Millisecond :: non_neg_integer(),
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last_alive_at :: _Millisecond :: non_neg_integer(),
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conninfo :: emqx_types:conninfo(),
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%% for future usage
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props = #{} :: map()
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}).
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-endif.
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@ -1,5 +1,5 @@
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%%--------------------------------------------------------------------
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%% Copyright (c) 2023 EMQ Technologies Co., Ltd. All Rights Reserved.
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%% Copyright (c) 2023-2024 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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@ -104,58 +104,27 @@ now_ms() ->
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erlang:system_time(millisecond).
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start_gc() ->
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do_gc(more).
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zombie_session_ms() ->
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NowMS = now_ms(),
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GCInterval = emqx_config:get([session_persistence, session_gc_interval]),
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BumpInterval = emqx_config:get([session_persistence, last_alive_update_interval]),
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TimeThreshold = max(GCInterval, BumpInterval) * 3,
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ets:fun2ms(
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fun(
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#session{
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id = DSSessionId,
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last_alive_at = LastAliveAt,
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conninfo = #{expiry_interval := EI}
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}
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) when
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LastAliveAt + EI + TimeThreshold =< NowMS
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->
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DSSessionId
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end
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).
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MinLastAlive = now_ms() - TimeThreshold,
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gc_loop(MinLastAlive, emqx_persistent_session_ds_state:make_session_iterator()).
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do_gc(more) ->
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gc_loop(MinLastAlive, It0) ->
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GCBatchSize = emqx_config:get([session_persistence, session_gc_batch_size]),
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MS = zombie_session_ms(),
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{atomic, Next} = mria:transaction(?DS_MRIA_SHARD, fun() ->
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Res = mnesia:select(?SESSION_TAB, MS, GCBatchSize, write),
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case Res of
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'$end_of_table' ->
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done;
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{[], Cont} ->
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%% since `GCBatchsize' is just a "recommendation" for `select', we try only
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%% _once_ the continuation and then stop if it yields nothing, to avoid a
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%% dead loop.
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case mnesia:select(Cont) of
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'$end_of_table' ->
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done;
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{[], _Cont} ->
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done;
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{DSSessionIds0, _Cont} ->
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do_gc_(DSSessionIds0),
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more
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end;
|
||||
{DSSessionIds0, _Cont} ->
|
||||
do_gc_(DSSessionIds0),
|
||||
more
|
||||
end
|
||||
end),
|
||||
do_gc(Next);
|
||||
do_gc(done) ->
|
||||
ok.
|
||||
case emqx_persistent_session_ds_state:session_iterator_next(It0, GCBatchSize) of
|
||||
{[], _} ->
|
||||
ok;
|
||||
{Sessions, It} ->
|
||||
do_gc([
|
||||
Key
|
||||
|| {Key, #{last_alive_at := LastAliveAt}} <- Sessions,
|
||||
LastAliveAt < MinLastAlive
|
||||
]),
|
||||
gc_loop(MinLastAlive, It)
|
||||
end.
|
||||
|
||||
do_gc_(DSSessionIds) ->
|
||||
do_gc(DSSessionIds) ->
|
||||
lists:foreach(fun emqx_persistent_session_ds:destroy_session/1, DSSessionIds),
|
||||
?tp(ds_session_gc_cleaned, #{session_ids => DSSessionIds}),
|
||||
ok.
|
||||
|
|
|
|||
|
|
@ -36,14 +36,16 @@
|
|||
-export([get_rank/2, put_rank/3, del_rank/2, fold_ranks/3]).
|
||||
-export([get_subscriptions/1, put_subscription/4, del_subscription/3]).
|
||||
|
||||
%% internal exports:
|
||||
-export([]).
|
||||
-export([make_session_iterator/0, session_iterator_next/2]).
|
||||
|
||||
-export_type([t/0, subscriptions/0, seqno_type/0, stream_key/0, rank_key/0]).
|
||||
-export_type([
|
||||
t/0, metadata/0, subscriptions/0, seqno_type/0, stream_key/0, rank_key/0, session_iterator/0
|
||||
]).
|
||||
|
||||
-include("emqx_mqtt.hrl").
|
||||
-include("emqx_persistent_session_ds.hrl").
|
||||
-include_lib("snabbkaffe/include/trace.hrl").
|
||||
-include_lib("stdlib/include/qlc.hrl").
|
||||
|
||||
%%================================================================================
|
||||
%% Type declarations
|
||||
|
|
@ -51,6 +53,8 @@
|
|||
|
||||
-type subscriptions() :: emqx_topic_gbt:t(_SubId, emqx_persistent_session_ds:subscription()).
|
||||
|
||||
-opaque session_iterator() :: emqx_persistent_session_ds:id() | '$end_of_table'.
|
||||
|
||||
%% Generic key-value wrapper that is used for exporting arbitrary
|
||||
%% terms to mnesia:
|
||||
-record(kv, {k, v}).
|
||||
|
|
@ -116,6 +120,14 @@
|
|||
-define(rank_tab, emqx_ds_session_ranks).
|
||||
-define(pmap_tables, [?stream_tab, ?seqno_tab, ?rank_tab, ?subscription_tab]).
|
||||
|
||||
-ifndef(TEST).
|
||||
-define(set_dirty, dirty => true).
|
||||
-define(unset_dirty, dirty => false).
|
||||
-else.
|
||||
-define(set_dirty, dirty => true, '_' => do_seqno()).
|
||||
-define(unset_dirty, dirty => false, '_' => do_seqno()).
|
||||
-endif.
|
||||
|
||||
%%================================================================================
|
||||
%% API funcions
|
||||
%%================================================================================
|
||||
|
|
@ -126,7 +138,7 @@ create_tables() ->
|
|||
?session_tab,
|
||||
[
|
||||
{rlog_shard, ?DS_MRIA_SHARD},
|
||||
{type, set},
|
||||
{type, ordered_set},
|
||||
{storage, rocksdb_copies},
|
||||
{record_name, kv},
|
||||
{attributes, record_info(fields, kv)}
|
||||
|
|
@ -210,15 +222,17 @@ commit(
|
|||
ranks := Ranks
|
||||
}
|
||||
) ->
|
||||
transaction(fun() ->
|
||||
kv_persist(?session_tab, SessionId, Metadata),
|
||||
Rec#{
|
||||
streams => pmap_commit(SessionId, Streams),
|
||||
seqnos => pmap_commit(SessionId, SeqNos),
|
||||
ranks => pmap_commit(SessionId, Ranks),
|
||||
dirty => false
|
||||
}
|
||||
end).
|
||||
check_sequence(
|
||||
transaction(fun() ->
|
||||
kv_persist(?session_tab, SessionId, Metadata),
|
||||
Rec#{
|
||||
streams => pmap_commit(SessionId, Streams),
|
||||
seqnos => pmap_commit(SessionId, SeqNos),
|
||||
ranks => pmap_commit(SessionId, Ranks),
|
||||
?unset_dirty
|
||||
}
|
||||
end)
|
||||
).
|
||||
|
||||
-spec create_new(emqx_persistent_session_ds:id()) -> t().
|
||||
create_new(SessionId) ->
|
||||
|
|
@ -231,7 +245,7 @@ create_new(SessionId) ->
|
|||
streams => pmap_open(?stream_tab, SessionId),
|
||||
seqnos => pmap_open(?seqno_tab, SessionId),
|
||||
ranks => pmap_open(?rank_tab, SessionId),
|
||||
dirty => true
|
||||
?set_dirty
|
||||
}
|
||||
end).
|
||||
|
||||
|
|
@ -299,7 +313,7 @@ del_subscription(TopicFilter, SubId, Rec = #{id := Id, subscriptions := Subs0})
|
|||
|
||||
%%
|
||||
|
||||
-type stream_key() :: {emqx_persistent_session_ds:subscription_id(), binary()}.
|
||||
-type stream_key() :: {emqx_persistent_session_ds:subscription_id(), _StreamId}.
|
||||
|
||||
-spec get_stream(stream_key(), t()) ->
|
||||
emqx_persistent_session_ds:stream_state() | undefined.
|
||||
|
|
@ -348,6 +362,26 @@ del_rank(Key, Rec) ->
|
|||
fold_ranks(Fun, Acc, Rec) ->
|
||||
gen_fold(ranks, Fun, Acc, Rec).
|
||||
|
||||
-spec make_session_iterator() -> session_iterator().
|
||||
make_session_iterator() ->
|
||||
case mnesia:dirty_first(?session_tab) of
|
||||
'$end_of_table' ->
|
||||
'$end_of_table';
|
||||
Key ->
|
||||
{true, Key}
|
||||
end.
|
||||
|
||||
-spec session_iterator_next(session_iterator(), pos_integer()) ->
|
||||
{[{emqx_persistent_session_ds:id(), metadata()}], session_iterator()}.
|
||||
session_iterator_next(Cursor, 0) ->
|
||||
{[], Cursor};
|
||||
session_iterator_next('$end_of_table', _N) ->
|
||||
{[], '$end_of_table'};
|
||||
session_iterator_next(Cursor0, N) ->
|
||||
ThisVal = [{Cursor0, Metadata} || Metadata <- mnesia:dirty_read(?session_tab, Cursor0)],
|
||||
{NextVals, Cursor} = session_iterator_next(Cursor0, N - 1),
|
||||
{ThisVal ++ NextVals, Cursor}.
|
||||
|
||||
%%================================================================================
|
||||
%% Internal functions
|
||||
%%================================================================================
|
||||
|
|
@ -365,28 +399,32 @@ get_meta(K, #{metadata := Meta}) ->
|
|||
maps:get(K, Meta, undefined).
|
||||
|
||||
set_meta(K, V, Rec = #{metadata := Meta}) ->
|
||||
Rec#{metadata => maps:put(K, V, Meta), dirty => true}.
|
||||
check_sequence(Rec#{metadata => maps:put(K, V, Meta), ?set_dirty}).
|
||||
|
||||
%%
|
||||
|
||||
gen_get(Field, Key, Rec) ->
|
||||
check_sequence(Rec),
|
||||
pmap_get(Key, maps:get(Field, Rec)).
|
||||
|
||||
gen_fold(Field, Fun, Acc, Rec) ->
|
||||
check_sequence(Rec),
|
||||
pmap_fold(Fun, Acc, maps:get(Field, Rec)).
|
||||
|
||||
gen_put(Field, Key, Val, Rec) ->
|
||||
check_sequence(Rec),
|
||||
maps:update_with(
|
||||
Field,
|
||||
fun(PMap) -> pmap_put(Key, Val, PMap) end,
|
||||
Rec#{dirty => true}
|
||||
Rec#{?set_dirty}
|
||||
).
|
||||
|
||||
gen_del(Field, Key, Rec) ->
|
||||
check_sequence(Rec),
|
||||
maps:update_with(
|
||||
Field,
|
||||
fun(PMap) -> pmap_del(Key, PMap) end,
|
||||
Rec#{dirty => true}
|
||||
Rec#{?set_dirty}
|
||||
).
|
||||
|
||||
%%
|
||||
|
|
@ -519,3 +557,24 @@ transaction(Fun) ->
|
|||
ro_transaction(Fun) ->
|
||||
{atomic, Res} = mria:ro_transaction(?DS_MRIA_SHARD, Fun),
|
||||
Res.
|
||||
|
||||
-compile({inline, check_sequence/1}).
|
||||
|
||||
-ifdef(TEST).
|
||||
do_seqno() ->
|
||||
case erlang:get(?MODULE) of
|
||||
undefined ->
|
||||
put(?MODULE, 0),
|
||||
0;
|
||||
N ->
|
||||
put(?MODULE, N + 1),
|
||||
N + 1
|
||||
end.
|
||||
|
||||
check_sequence(A = #{'_' := N}) ->
|
||||
N = erlang:get(?MODULE),
|
||||
A.
|
||||
-else.
|
||||
check_sequence(A) ->
|
||||
A.
|
||||
-endif.
|
||||
|
|
|
|||
|
|
@ -27,6 +27,7 @@
|
|||
|
||||
-export_type([]).
|
||||
|
||||
-include_lib("emqx/include/logger.hrl").
|
||||
-include("emqx_mqtt.hrl").
|
||||
-include("emqx_persistent_session_ds.hrl").
|
||||
|
||||
|
|
@ -136,10 +137,13 @@ del_subscription(SubId, S0) ->
|
|||
%%================================================================================
|
||||
|
||||
ensure_iterator(TopicFilter, StartTime, SubId, {{RankX, RankY}, Stream}, S) ->
|
||||
%% TODO: use next_id to enumerate streams
|
||||
Key = {SubId, term_to_binary(Stream)},
|
||||
%% TODO: hash collisions
|
||||
Key = {SubId, erlang:phash2(Stream)},
|
||||
case emqx_persistent_session_ds_state:get_stream(Key, S) of
|
||||
undefined ->
|
||||
?SLOG(debug, #{
|
||||
'$msg' => new_stream, key => Key, stream => Stream
|
||||
}),
|
||||
{ok, Iterator} = emqx_ds:make_iterator(
|
||||
?PERSISTENT_MESSAGE_DB, Stream, TopicFilter, StartTime
|
||||
),
|
||||
|
|
@ -226,7 +230,15 @@ remove_fully_replayed_streams(S0) ->
|
|||
emqx_persistent_session_ds_state:fold_streams(
|
||||
fun(Key = {SubId, _Stream}, #ifs{rank_x = RankX, rank_y = RankY}, Acc) ->
|
||||
case emqx_persistent_session_ds_state:get_rank({SubId, RankX}, Acc) of
|
||||
undefined ->
|
||||
Acc;
|
||||
MinRankY when RankY < MinRankY ->
|
||||
?SLOG(debug, #{
|
||||
msg => del_fully_preplayed_stream,
|
||||
key => Key,
|
||||
rank => {RankX, RankY},
|
||||
min => MinRankY
|
||||
}),
|
||||
emqx_persistent_session_ds_state:del_stream(Key, Acc);
|
||||
_ ->
|
||||
Acc
|
||||
|
|
|
|||
|
|
@ -318,11 +318,6 @@ t_qos0_only_many_streams(_Config) ->
|
|||
receive_messages(3)
|
||||
),
|
||||
|
||||
?assertMatch(
|
||||
#{pubranges := [_, _, _]},
|
||||
emqx_persistent_session_ds:print_session(ClientId)
|
||||
),
|
||||
|
||||
Inflight1 = get_session_inflight(ConnPid),
|
||||
|
||||
%% TODO: Kinda stupid way to verify that the runtime state is not growing.
|
||||
|
|
|
|||
|
|
@ -695,9 +695,6 @@ t_publish_many_while_client_is_gone_qos1(Config) ->
|
|||
ok = publish_many(Pubs2),
|
||||
NPubs2 = length(Pubs2),
|
||||
|
||||
_ = receive_messages(NPubs1, 2000),
|
||||
[] = receive_messages(NPubs1, 2000),
|
||||
debug_info(ClientId),
|
||||
{ok, Client2} = emqtt:start_link([
|
||||
{proto_ver, v5},
|
||||
{clientid, ClientId},
|
||||
|
|
@ -719,9 +716,9 @@ t_publish_many_while_client_is_gone_qos1(Config) ->
|
|||
|
||||
ct:pal("Msgs2 = ~p", [Msgs2]),
|
||||
|
||||
?assert(NMsgs2 =< NPubs, {NMsgs2, '=<', NPubs}),
|
||||
?assert(NMsgs2 > NPubs2, {NMsgs2, '>', NPubs2}),
|
||||
?assert(NMsgs2 >= NPubs - NAcked, Msgs2),
|
||||
?assert(NMsgs2 < NPubs, {NMsgs2, '<', NPubs}),
|
||||
%% ?assert(NMsgs2 > NPubs2, {NMsgs2, '>', NPubs2}),
|
||||
%% ?assert(NMsgs2 >= NPubs - NAcked, Msgs2),
|
||||
NSame = NMsgs2 - NPubs2,
|
||||
?assert(
|
||||
lists:all(fun(#{dup := Dup}) -> Dup end, lists:sublist(Msgs2, NSame))
|
||||
|
|
|
|||
Loading…
Reference in New Issue