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refactor: module move to app emqx_rule_engine 

- Rename to emqx_rule_index.erl
- Remove test funcs from src -> test dir
This commit is contained in:
JimMoen 2023-07-21 17:58:54 +08:00
parent b821bdee00
commit 4e4b1ac115
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GPG Key ID: 87A520B4F76BA86D
4 changed files with 69 additions and 66 deletions
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11
apps/emqx_rule_engine/src/emqx_rule_engine.erl
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@ -225,12 +225,13 @@ get_rules_ordered_by_ts() ->
-spec get_rules_for_topic(Topic :: binary()) -> [rule()].
get_rules_for_topic(Topic) ->
[
emqx_topic_index:get_record(M, ?RULE_TOPIC_INDEX)
|| M <- emqx_topic_index:matches(Topic, ?RULE_TOPIC_INDEX)
emqx_rule_index:get_record(M, ?RULE_TOPIC_INDEX)
|| M <- emqx_rule_index:matches(Topic, ?RULE_TOPIC_INDEX)
].
-spec get_rules_with_same_event(Topic :: binary()) -> [rule()].
get_rules_with_same_event(Topic) ->
%% TODO: event matching index not implemented yet
EventName = emqx_rule_events:event_name(Topic),
[
Rule
@ -240,6 +241,7 @@ get_rules_with_same_event(Topic) ->
-spec get_rule_ids_by_action(action_name()) -> [rule_id()].
get_rule_ids_by_action(BridgeId) when is_binary(BridgeId) ->
%% TODO: bridge matching index not implemented yet
[
Id
|| #{actions := Acts, id := Id, from := Froms} <- get_rules(),
@ -247,6 +249,7 @@ get_rule_ids_by_action(BridgeId) when is_binary(BridgeId) ->
references_ingress_bridge(Froms, BridgeId)
];
get_rule_ids_by_action(#{function := FuncName}) when is_binary(FuncName) ->
%% TODO: action id matching index not implemented yet
{Mod, Fun} =
case string:split(FuncName, ":", leading) of
[M, F] -> {binary_to_module(M), F};
@ -495,7 +498,7 @@ do_delete_rule(#{id := Id} = Rule) ->
do_update_rule_index(#{id := Id, from := From} = Rule) ->
ok = lists:foreach(
fun(Topic) ->
true = emqx_topic_index:insert(Topic, Id, Rule, ?RULE_TOPIC_INDEX)
true = emqx_rule_index:insert(Topic, Id, Rule, ?RULE_TOPIC_INDEX)
end,
From
).
@ -503,7 +506,7 @@ do_update_rule_index(#{id := Id, from := From} = Rule) ->
do_delete_rule_index(#{id := Id, from := From}) ->
ok = lists:foreach(
fun(Topic) ->
true = emqx_topic_index:delete(Topic, Id, ?RULE_TOPIC_INDEX)
true = emqx_rule_index:delete(Topic, Id, ?RULE_TOPIC_INDEX)
end,
From
).

26
apps/emqx/src/emqx_topic_index.erl → apps/emqx_rule_engine/src/emqx_rule_index.erl
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@ -29,25 +29,24 @@
%% 1. Which topic filters match given topic?
%% 2. Which record IDs are associated with topic filters matching given topic?
-module(emqx_topic_index).
-module(emqx_rule_index).
-export([new/0]).
-export([insert/4]).
-export([delete/3]).
-export([match/2]).
-export([matches/2]).
-export([get_id/1]).
-export([get_topic/1]).
-export([get_record/2]).
-type key(ID) :: [binary() | '+' | '#' | {ID}].
-type match(ID) :: key(ID).
new() ->
ets:new(?MODULE, [public, ordered_set, {write_concurrency, true}]).
-ifdef(TEST).
-export_type([match/1]).
-endif.
insert(Filter, ID, Record, Tab) ->
%% TODO: topic compact. see also in emqx_trie.erl
ets:insert(Tab, {emqx_topic:words(Filter) ++ [{ID}], Record}).
delete(Filter, ID, Tab) ->
@ -136,21 +135,6 @@ match_init(Topic) ->
{Words, []}
end.
-spec get_id(match(ID)) -> ID.
get_id([{ID}]) ->
ID;
get_id([_ | Rest]) ->
get_id(Rest).
-spec get_topic(match(_ID)) -> emqx_types:topic().
get_topic(K) ->
emqx_topic:join(cut_topic(K)).
cut_topic([{_ID}]) ->
[];
cut_topic([W | Rest]) ->
[W | cut_topic(Rest)].
-spec get_record(match(_ID), ets:table()) -> _Record.
get_record(K, Tab) ->
ets:lookup_element(Tab, K, 2).

97
apps/emqx/test/emqx_topic_index_SUITE.erl → apps/emqx_rule_engine/test/emqx_rule_index_SUITE.erl
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@ -14,7 +14,7 @@
%% limitations under the License.
%%--------------------------------------------------------------------
-module(emqx_topic_index_SUITE).
-module(emqx_rule_index_SUITE).
-compile(export_all).
-compile(nowarn_export_all).
@ -25,39 +25,39 @@ all() ->
emqx_common_test_helpers:all(?MODULE).
t_insert(_) ->
Tab = emqx_topic_index:new(),
true = emqx_topic_index:insert(<<"sensor/1/metric/2">>, t_insert_1, <<>>, Tab),
true = emqx_topic_index:insert(<<"sensor/+/#">>, t_insert_2, <<>>, Tab),
true = emqx_topic_index:insert(<<"sensor/#">>, t_insert_3, <<>>, Tab),
?assertEqual(<<"sensor/#">>, topic(match(<<"sensor">>, Tab))),
?assertEqual(t_insert_3, id(match(<<"sensor">>, Tab))).
Tab = new(),
true = emqx_rule_index:insert(<<"sensor/1/metric/2">>, t_insert_1, <<>>, Tab),
true = emqx_rule_index:insert(<<"sensor/+/#">>, t_insert_2, <<>>, Tab),
true = emqx_rule_index:insert(<<"sensor/#">>, t_insert_3, <<>>, Tab),
?assertEqual(<<"sensor/#">>, get_topic(match(<<"sensor">>, Tab))),
?assertEqual(t_insert_3, get_id(match(<<"sensor">>, Tab))).
t_match(_) ->
Tab = emqx_topic_index:new(),
true = emqx_topic_index:insert(<<"sensor/1/metric/2">>, t_match_1, <<>>, Tab),
true = emqx_topic_index:insert(<<"sensor/+/#">>, t_match_2, <<>>, Tab),
true = emqx_topic_index:insert(<<"sensor/#">>, t_match_3, <<>>, Tab),
Tab = new(),
true = emqx_rule_index:insert(<<"sensor/1/metric/2">>, t_match_1, <<>>, Tab),
true = emqx_rule_index:insert(<<"sensor/+/#">>, t_match_2, <<>>, Tab),
true = emqx_rule_index:insert(<<"sensor/#">>, t_match_3, <<>>, Tab),
?assertMatch(
[<<"sensor/#">>, <<"sensor/+/#">>],
[topic(M) || M <- matches(<<"sensor/1">>, Tab)]
[get_topic(M) || M <- matches(<<"sensor/1">>, Tab)]
).
t_match2(_) ->
Tab = emqx_topic_index:new(),
true = emqx_topic_index:insert(<<"#">>, t_match2_1, <<>>, Tab),
true = emqx_topic_index:insert(<<"+/#">>, t_match2_2, <<>>, Tab),
true = emqx_topic_index:insert(<<"+/+/#">>, t_match2_3, <<>>, Tab),
Tab = new(),
true = emqx_rule_index:insert(<<"#">>, t_match2_1, <<>>, Tab),
true = emqx_rule_index:insert(<<"+/#">>, t_match2_2, <<>>, Tab),
true = emqx_rule_index:insert(<<"+/+/#">>, t_match2_3, <<>>, Tab),
?assertEqual(
[<<"#">>, <<"+/#">>, <<"+/+/#">>],
[topic(M) || M <- matches(<<"a/b/c">>, Tab)]
[get_topic(M) || M <- matches(<<"a/b/c">>, Tab)]
),
?assertEqual(
false,
emqx_topic_index:match(<<"$SYS/broker/zenmq">>, Tab)
emqx_rule_index:match(<<"$SYS/broker/zenmq">>, Tab)
).
t_match3(_) ->
Tab = emqx_topic_index:new(),
Tab = new(),
Records = [
{<<"d/#">>, t_match3_1},
{<<"a/b/+">>, t_match3_2},
@ -66,7 +66,7 @@ t_match3(_) ->
{<<"$SYS/#">>, t_match3_sys}
],
lists:foreach(
fun({Topic, ID}) -> emqx_topic_index:insert(Topic, ID, <<>>, Tab) end,
fun({Topic, ID}) -> emqx_rule_index:insert(Topic, ID, <<>>, Tab) end,
Records
),
Matched = matches(<<"a/b/c">>, Tab),
@ -76,27 +76,27 @@ t_match3(_) ->
end,
?assertEqual(
t_match3_sys,
id(match(<<"$SYS/a/b/c">>, Tab))
get_id(match(<<"$SYS/a/b/c">>, Tab))
).
t_match4(_) ->
Tab = emqx_topic_index:new(),
Tab = new(),
Records = [{<<"/#">>, t_match4_1}, {<<"/+">>, t_match4_2}, {<<"/+/a/b/c">>, t_match4_3}],
lists:foreach(
fun({Topic, ID}) -> emqx_topic_index:insert(Topic, ID, <<>>, Tab) end,
fun({Topic, ID}) -> emqx_rule_index:insert(Topic, ID, <<>>, Tab) end,
Records
),
?assertEqual(
[<<"/#">>, <<"/+">>],
[topic(M) || M <- matches(<<"/">>, Tab)]
[get_topic(M) || M <- matches(<<"/">>, Tab)]
),
?assertEqual(
[<<"/#">>, <<"/+/a/b/c">>],
[topic(M) || M <- matches(<<"/0/a/b/c">>, Tab)]
[get_topic(M) || M <- matches(<<"/0/a/b/c">>, Tab)]
).
t_match5(_) ->
Tab = emqx_topic_index:new(),
Tab = new(),
T = <<"a/b/c/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u/v/w/x/y/z">>,
Records = [
{<<"#">>, t_match5_1},
@ -104,40 +104,55 @@ t_match5(_) ->
{<<T/binary, "/+">>, t_match5_3}
],
lists:foreach(
fun({Topic, ID}) -> emqx_topic_index:insert(Topic, ID, <<>>, Tab) end,
fun({Topic, ID}) -> emqx_rule_index:insert(Topic, ID, <<>>, Tab) end,
Records
),
?assertEqual(
[<<"#">>, <<T/binary, "/#">>],
[topic(M) || M <- matches(T, Tab)]
[get_topic(M) || M <- matches(T, Tab)]
),
?assertEqual(
[<<"#">>, <<T/binary, "/#">>, <<T/binary, "/+">>],
[topic(M) || M <- matches(<<T/binary, "/1">>, Tab)]
[get_topic(M) || M <- matches(<<T/binary, "/1">>, Tab)]
).
t_match6(_) ->
Tab = emqx_topic_index:new(),
Tab = new(),
T = <<"a/b/c/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u/v/w/x/y/z">>,
W = <<"+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/+/#">>,
emqx_topic_index:insert(W, ID = t_match6, <<>>, Tab),
?assertEqual(ID, id(match(T, Tab))).
emqx_rule_index:insert(W, ID = t_match6, <<>>, Tab),
?assertEqual(ID, get_id(match(T, Tab))).
t_match7(_) ->
Tab = emqx_topic_index:new(),
Tab = new(),
T = <<"a/b/c/d/e/f/g/h/i/j/k/l/m/n/o/p/q/r/s/t/u/v/w/x/y/z">>,
W = <<"a/+/c/+/e/+/g/+/i/+/k/+/m/+/o/+/q/+/s/+/u/+/w/+/y/+/#">>,
emqx_topic_index:insert(W, t_match7, <<>>, Tab),
?assertEqual(W, topic(match(T, Tab))).
emqx_rule_index:insert(W, t_match7, <<>>, Tab),
?assertEqual(W, get_topic(match(T, Tab))).
new() ->
ets:new(?MODULE, [public, ordered_set, {write_concurrency, true}]).
match(T, Tab) ->
emqx_topic_index:match(T, Tab).
emqx_rule_index:match(T, Tab).
matches(T, Tab) ->
lists:sort(emqx_topic_index:matches(T, Tab)).
lists:sort(emqx_rule_index:matches(T, Tab)).
id(Match) ->
emqx_topic_index:get_id(Match).
-spec get_id(emqx_rule_index:match(ID)) -> ID.
get_id([{ID}]) ->
ID;
get_id([_ | Rest]) ->
get_id(Rest).
topic(Match) ->
emqx_topic_index:get_topic(Match).
-spec get_topic(emqx_rule_index:match(_ID)) -> emqx_types:topic().
get_topic(K) ->
emqx_topic:join(cut_topic(K)).
cut_topic(K) ->
cut_topic(K, []).
cut_topic([{_ID}], Acc) ->
lists:reverse(Acc);
cut_topic([W | Rest], Acc) ->
cut_topic(Rest, [W | Acc]).

1
changes/ce/perf-11282.en.md Normal file
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@ -0,0 +1 @@
Added indexing to the rule engine's topic matching to improve rule search performance.