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Merge pull request #11700 from rabbitmq/md/khepri/projections-ets-try-catch 

Use 'try'/'catch' rather than 'ets:whereis/1' for Khepri projections
This commit is contained in:
Michael Klishin 2024-07-12 17:09:02 -04:00 committed by GitHub
parent f20f5beece 9f255db90f
commit bd5e9fa2ac
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
7 changed files with 246 additions and 252 deletions
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119
deps/rabbit/src/rabbit_db_binding.erl vendored
View File

@ -413,11 +413,11 @@ get_all_in_mnesia() ->
end).
get_all_in_khepri() ->
case ets:whereis(?KHEPRI_BINDINGS_PROJECTION) of
undefined ->
[];
Table ->
[B || #route{binding = B} <- ets:tab2list(Table)]
try
[B || #route{binding = B} <- ets:tab2list(?KHEPRI_BINDINGS_PROJECTION)]
catch
error:badarg ->
[]
end.
-spec get_all(VHostName) -> [Binding] when
@ -444,15 +444,16 @@ get_all_in_mnesia(VHost) ->
[B || #route{binding = B} <- rabbit_db:list_in_mnesia(?MNESIA_TABLE, Match)].
get_all_in_khepri(VHost) ->
case ets:whereis(?KHEPRI_BINDINGS_PROJECTION) of
undefined ->
[];
Table ->
VHostResource = rabbit_misc:r(VHost, '_'),
Match = #route{binding = #binding{source = VHostResource,
destination = VHostResource,
_ = '_'}},
[B || #route{binding = B} <- ets:match_object(Table, Match)]
try
VHostResource = rabbit_misc:r(VHost, '_'),
Match = #route{binding = #binding{source = VHostResource,
destination = VHostResource,
_ = '_'}},
[B || #route{binding = B} <- ets:match_object(
?KHEPRI_BINDINGS_PROJECTION, Match)]
catch
error:badarg ->
[]
end.
-spec get_all(Src, Dst, Reverse) -> [Binding] when
@ -481,14 +482,15 @@ get_all_in_mnesia(SrcName, DstName, Reverse) ->
mnesia:async_dirty(Fun).
get_all_in_khepri(SrcName, DstName) ->
case ets:whereis(?KHEPRI_BINDINGS_PROJECTION) of
undefined ->
[];
Table ->
MatchHead = #route{binding = #binding{source = SrcName,
destination = DstName,
_ = '_'}},
[B || #route{binding = B} <- ets:match_object(Table, MatchHead)]
try
MatchHead = #route{binding = #binding{source = SrcName,
destination = DstName,
_ = '_'}},
[B || #route{binding = B} <- ets:match_object(
?KHEPRI_BINDINGS_PROJECTION, MatchHead)]
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -528,12 +530,13 @@ list_for_route(Route, true) ->
end.
get_all_for_source_in_khepri(Resource) ->
case ets:whereis(?KHEPRI_BINDINGS_PROJECTION) of
undefined ->
[];
Table ->
Route = #route{binding = #binding{source = Resource, _ = '_'}},
[B || #route{binding = B} <- ets:match_object(Table, Route)]
try
Route = #route{binding = #binding{source = Resource, _ = '_'}},
[B || #route{binding = B} <- ets:match_object(
?KHEPRI_BINDINGS_PROJECTION, Route)]
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -563,13 +566,14 @@ get_all_for_destination_in_mnesia(Dst) ->
mnesia:async_dirty(Fun).
get_all_for_destination_in_khepri(Destination) ->
case ets:whereis(?KHEPRI_BINDINGS_PROJECTION) of
undefined ->
[];
Table ->
Match = #route{binding = #binding{destination = Destination,
_ = '_'}},
[B || #route{binding = B} <- ets:match_object(Table, Match)]
try
Match = #route{binding = #binding{destination = Destination,
_ = '_'}},
[B || #route{binding = B} <- ets:match_object(
?KHEPRI_BINDINGS_PROJECTION, Match)]
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -644,15 +648,16 @@ match_in_mnesia(SrcName, Match) ->
Routes, Match(Binding)].
match_in_khepri(SrcName, Match) ->
case ets:whereis(?KHEPRI_BINDINGS_PROJECTION) of
undefined ->
[];
Table ->
MatchHead = #route{binding = #binding{source = SrcName,
_ = '_'}},
Routes = ets:select(Table, [{MatchHead, [], [['$_']]}]),
[Dest || [#route{binding = Binding = #binding{destination = Dest}}] <-
Routes, Match(Binding)]
try
MatchHead = #route{binding = #binding{source = SrcName,
_ = '_'}},
Routes = ets:select(
?KHEPRI_BINDINGS_PROJECTION, [{MatchHead, [], [['$_']]}]),
[Dest || [#route{binding = Binding = #binding{destination = Dest}}] <-
Routes, Match(Binding)]
catch
error:badarg ->
[]
end.
%% Routing - HOT CODE PATH
@ -686,26 +691,22 @@ match_routing_key_in_mnesia(SrcName, RoutingKeys, UseIndex) ->
route_in_mnesia_v1(SrcName, RoutingKeys)
end.
match_routing_key_in_khepri(Src, ['_']) ->
try
MatchHead = #index_route{source_key = {Src, '_'},
destination = '$1',
_ = '_'},
ets:select(?KHEPRI_INDEX_ROUTE_PROJECTION, [{MatchHead, [], ['$1']}])
catch
error:badarg ->
[]
end;
match_routing_key_in_khepri(Src, RoutingKeys) ->
case ets:whereis(?KHEPRI_INDEX_ROUTE_PROJECTION) of
undefined ->
[];
Table ->
do_match_routing_key_in_khepri(Table, Src, RoutingKeys)
end.
do_match_routing_key_in_khepri(Table, Src, ['_']) ->
MatchHead = #index_route{source_key = {Src, '_'},
destination = '$1',
_ = '_'},
ets:select(Table, [{MatchHead, [], ['$1']}]);
do_match_routing_key_in_khepri(Table, Src, RoutingKeys) ->
lists:foldl(
fun(RK, Acc) ->
try
Dst = ets:lookup_element(
Table,
?KHEPRI_INDEX_ROUTE_PROJECTION,
{Src, RK},
#index_route.destination),
Dst ++ Acc

24
deps/rabbit/src/rabbit_db_exchange.erl vendored
View File

@ -183,14 +183,12 @@ get_in_mnesia(Name) ->
rabbit_mnesia:dirty_read({?MNESIA_TABLE, Name}).
get_in_khepri(Name) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
{error, not_found};
Table ->
case ets:lookup(Table, Name) of
[X] -> {ok, X};
[] -> {error, not_found}
end
try ets:lookup(?KHEPRI_PROJECTION, Name) of
[X] -> {ok, X};
[] -> {error, not_found}
catch
error:badarg ->
{error, not_found}
end.
%% -------------------------------------------------------------------
@ -233,11 +231,11 @@ get_many_in_mnesia(Table, Names) when is_list(Names) ->
lists:append([ets:lookup(Table, Name) || Name <- Names]).
get_many_in_khepri(Names) when is_list(Names) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
lists:append([ets:lookup(Table, Name) || Name <- Names])
try
lists:append([ets:lookup(?KHEPRI_PROJECTION, Name) || Name <- Names])
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------

171
deps/rabbit/src/rabbit_db_queue.erl vendored
View File

@ -110,15 +110,15 @@ get_all_in_mnesia() ->
end).
get_all_in_khepri() ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
list_with_possible_retry_in_khepri(
fun() ->
ets:tab2list(Table)
end)
end.
list_with_possible_retry_in_khepri(
fun() ->
try
ets:tab2list(?KHEPRI_PROJECTION)
catch
error:badarg ->
[]
end
end).
-spec get_all(VHostName) -> [Queue] when
VHostName :: vhost:name(),
@ -144,16 +144,16 @@ get_all_in_mnesia(VHostName) ->
end).
get_all_in_khepri(VHostName) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
list_with_possible_retry_in_khepri(
fun() ->
Pattern = amqqueue:pattern_match_on_name(rabbit_misc:r(VHostName, queue)),
ets:match_object(Table, Pattern)
end)
end.
list_with_possible_retry_in_khepri(
fun() ->
try
Pattern = amqqueue:pattern_match_on_name(rabbit_misc:r(VHostName, queue)),
ets:match_object(?KHEPRI_PROJECTION, Pattern)
catch
error:badarg ->
[]
end
end).
%% -------------------------------------------------------------------
%% get_all_durable().
@ -181,16 +181,16 @@ get_all_durable_in_mnesia() ->
end).
get_all_durable_in_khepri() ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
list_with_possible_retry_in_khepri(
fun() ->
Pattern = amqqueue:pattern_match_on_durable(true),
ets:match_object(Table, Pattern)
end)
end.
list_with_possible_retry_in_khepri(
fun() ->
try
Pattern = amqqueue:pattern_match_on_durable(true),
ets:match_object(?KHEPRI_PROJECTION, Pattern)
catch
error:badarg ->
[]
end
end).
-spec get_all_durable_by_type(Type) -> [Queue] when
Type :: atom(),
@ -213,12 +213,12 @@ get_all_durable_by_type_in_mnesia(Type) ->
rabbit_db:list_in_mnesia(?MNESIA_DURABLE_TABLE, Pattern).
get_all_durable_by_type_in_khepri(Type) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
Pattern = amqqueue:pattern_match_on_type_and_durable(Type, true),
ets:match_object(Table, Pattern)
try
Pattern = amqqueue:pattern_match_on_type_and_durable(Type, true),
ets:match_object(?KHEPRI_PROJECTION, Pattern)
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -250,18 +250,18 @@ filter_all_durable_in_mnesia(FilterFun) ->
end).
filter_all_durable_in_khepri(FilterFun) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
ets:foldl(
fun(Q, Acc0) ->
case amqqueue:is_durable(Q) andalso FilterFun(Q) of
true -> [Q | Acc0];
false -> Acc0
end
end,
[], Table)
try
ets:foldl(
fun(Q, Acc0) ->
case amqqueue:is_durable(Q) andalso FilterFun(Q) of
true -> [Q | Acc0];
false -> Acc0
end
end,
[], ?KHEPRI_PROJECTION)
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -287,12 +287,12 @@ list_in_mnesia() ->
mnesia:dirty_all_keys(?MNESIA_TABLE).
list_in_khepri() ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
Pattern = amqqueue:pattern_match_on_name('$1'),
ets:select(Table, [{Pattern, [], ['$1']}])
try
Pattern = amqqueue:pattern_match_on_name('$1'),
ets:select(?KHEPRI_PROJECTION, [{Pattern, [], ['$1']}])
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -318,11 +318,12 @@ count_in_mnesia() ->
mnesia:table_info(?MNESIA_TABLE, size).
count_in_khepri() ->
case ets:whereis(?KHEPRI_PROJECTION) of
case ets:info(?KHEPRI_PROJECTION, size) of
undefined ->
%% `ets:info/2` on a table that does not exist returns `undefined`.
0;
Table ->
ets:info(Table, size)
Size ->
Size
end.
-spec count(VHostName) -> Count when
@ -361,12 +362,12 @@ list_for_count_in_mnesia(VHostName) ->
end).
list_for_count_in_khepri(VHostName) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
0;
Table ->
Pattern = amqqueue:pattern_match_on_name(rabbit_misc:r(VHostName, queue)),
ets:select_count(Table, [{Pattern, [], [true]}])
try
Pattern = amqqueue:pattern_match_on_name(rabbit_misc:r(VHostName, queue)),
ets:select_count(?KHEPRI_PROJECTION, [{Pattern, [], [true]}])
catch
error:badarg ->
0
end.
%% -------------------------------------------------------------------
@ -466,11 +467,11 @@ get_many(Names) when is_list(Names) ->
}).
get_many_in_khepri(Names) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
get_many_in_ets(Table, Names)
try
get_many_in_ets(?KHEPRI_PROJECTION, Names)
catch
error:badarg ->
[]
end.
get_many_in_ets(Table, [{Name, RouteInfos}])
@ -512,14 +513,12 @@ get_in_mnesia(Name) ->
rabbit_mnesia:dirty_read({?MNESIA_TABLE, Name}).
get_in_khepri(Name) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
{error, not_found};
Table ->
case ets:lookup(Table, Name) of
[Q] -> {ok, Q};
[] -> {error, not_found}
end
try ets:lookup(?KHEPRI_PROJECTION, Name) of
[Q] -> {ok, Q};
[] -> {error, not_found}
catch
error:badarg ->
{error, not_found}
end.
%% -------------------------------------------------------------------
@ -568,12 +567,12 @@ get_many_durable_in_mnesia(Names) ->
get_many_in_ets(?MNESIA_DURABLE_TABLE, Names).
get_many_durable_in_khepri(Names) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
Queues = get_many_in_ets(Table, Names),
[Q || Q <- Queues, amqqueue:is_durable(Q)]
try
Queues = get_many_in_ets(?KHEPRI_PROJECTION, Names),
[Q || Q <- Queues, amqqueue:is_durable(Q)]
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -783,11 +782,11 @@ exists_in_mnesia(QName) ->
ets:member(?MNESIA_TABLE, QName).
exists_in_khepri(QName) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
false;
Table ->
ets:member(Table, QName)
try
ets:member(?KHEPRI_PROJECTION, QName)
catch
error:badarg ->
false
end.
%% -------------------------------------------------------------------

38
deps/rabbit/src/rabbit_db_rtparams.erl vendored
View File

@ -151,14 +151,12 @@ get_in_mnesia(Key) ->
end.
get_in_khepri(Key) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
undefined;
Table ->
case ets:lookup(Table, Key) of
[] -> undefined;
[Record] -> Record
end
try ets:lookup(?KHEPRI_PROJECTION, Key) of
[] -> undefined;
[Record] -> Record
catch
error:badarg ->
undefined
end.
%% -------------------------------------------------------------------
@ -182,11 +180,11 @@ get_all_in_mnesia() ->
rabbit_mnesia:dirty_read_all(?MNESIA_TABLE).
get_all_in_khepri() ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
ets:tab2list(Table)
try
ets:tab2list(?KHEPRI_PROJECTION)
catch
error:badarg ->
[]
end.
-spec get_all(VHostName, Comp) -> Ret when
@ -224,13 +222,13 @@ get_all_in_khepri(VHostName, Comp) ->
'_' -> ok;
_ -> rabbit_vhost:assert(VHostName)
end,
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
Match = #runtime_parameters{key = {VHostName, Comp, '_'},
_ = '_'},
ets:match_object(Table, Match)
try
Match = #runtime_parameters{key = {VHostName, Comp, '_'},
_ = '_'},
ets:match_object(?KHEPRI_PROJECTION, Match)
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------

65
deps/rabbit/src/rabbit_db_topic_exchange.erl vendored
View File

@ -492,54 +492,57 @@ ensure_topic_deletion_ets() ->
%% Khepri topic graph
trie_match_in_khepri(X, Words, BKeys) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
trie_match_in_khepri(Table, X, root, Words, BKeys, [])
try
trie_match_in_khepri(X, root, Words, BKeys, [])
catch
error:badarg ->
[]
end.
trie_match_in_khepri(Table, X, Node, [], BKeys, ResAcc0) ->
Destinations = trie_bindings_in_khepri(Table, X, Node, BKeys),
trie_match_in_khepri(X, Node, [], BKeys, ResAcc0) ->
Destinations = trie_bindings_in_khepri(X, Node, BKeys),
ResAcc = add_matched(Destinations, BKeys, ResAcc0),
trie_match_part_in_khepri(
Table, X, Node, <<"#">>,
fun trie_match_skip_any_in_khepri/6, [], BKeys, ResAcc);
trie_match_in_khepri(Table, X, Node, [W | RestW] = Words, BKeys, ResAcc) ->
X, Node, <<"#">>,
fun trie_match_skip_any_in_khepri/5, [], BKeys, ResAcc);
trie_match_in_khepri(X, Node, [W | RestW] = Words, BKeys, ResAcc) ->
lists:foldl(fun ({WArg, MatchFun, RestWArg}, Acc) ->
trie_match_part_in_khepri(
Table, X, Node, WArg, MatchFun, RestWArg, BKeys, Acc)
end, ResAcc, [{W, fun trie_match_in_khepri/6, RestW},
{<<"*">>, fun trie_match_in_khepri/6, RestW},
X, Node, WArg, MatchFun, RestWArg, BKeys, Acc)
end, ResAcc, [{W, fun trie_match_in_khepri/5, RestW},
{<<"*">>, fun trie_match_in_khepri/5, RestW},
{<<"#">>,
fun trie_match_skip_any_in_khepri/6, Words}]).
fun trie_match_skip_any_in_khepri/5, Words}]).
trie_match_part_in_khepri(
Table, X, Node, Search, MatchFun, RestW, BKeys, ResAcc) ->
case trie_child_in_khepri(Table, X, Node, Search) of
{ok, NextNode} -> MatchFun(Table, X, NextNode, RestW, BKeys, ResAcc);
trie_match_part_in_khepri(X, Node, Search, MatchFun, RestW, BKeys, ResAcc) ->
case trie_child_in_khepri(X, Node, Search) of
{ok, NextNode} -> MatchFun(X, NextNode, RestW, BKeys, ResAcc);
error -> ResAcc
end.
trie_match_skip_any_in_khepri(Table, X, Node, [], BKeys, ResAcc) ->
trie_match_in_khepri(Table, X, Node, [], BKeys, ResAcc);
trie_match_skip_any_in_khepri(Table, X, Node, [_ | RestW] = Words, BKeys, ResAcc) ->
trie_match_skip_any_in_khepri(X, Node, [], BKeys, ResAcc) ->
trie_match_in_khepri(X, Node, [], BKeys, ResAcc);
trie_match_skip_any_in_khepri(X, Node, [_ | RestW] = Words, BKeys, ResAcc) ->
trie_match_skip_any_in_khepri(
Table, X, Node, RestW, BKeys,
trie_match_in_khepri(Table, X, Node, Words, BKeys, ResAcc)).
X, Node, RestW, BKeys,
trie_match_in_khepri(X, Node, Words, BKeys, ResAcc)).
trie_child_in_khepri(Table, X, Node, Word) ->
case ets:lookup(Table, #trie_edge{exchange_name = X,
node_id = Node,
word = Word}) of
trie_child_in_khepri(X, Node, Word) ->
case ets:lookup(
?KHEPRI_PROJECTION,
#trie_edge{exchange_name = X,
node_id = Node,
word = Word}) of
[#topic_trie_edge{node_id = NextNode}] -> {ok, NextNode};
[] -> error
end.
trie_bindings_in_khepri(Table,X, Node, BKeys) ->
case ets:lookup(Table, #trie_edge{exchange_name = X,
node_id = Node,
word = bindings}) of
trie_bindings_in_khepri(X, Node, BKeys) ->
case ets:lookup(
?KHEPRI_PROJECTION,
#trie_edge{exchange_name = X,
node_id = Node,
word = bindings}) of
[#topic_trie_edge{node_id = {bindings, Bindings}}] ->
[case BKeys of
true ->

36
deps/rabbit/src/rabbit_db_user.erl vendored
View File

@ -187,14 +187,12 @@ get_in_mnesia(Username) ->
end.
get_in_khepri(Username) ->
case ets:whereis(?KHEPRI_USERS_PROJECTION) of
undefined ->
undefined;
Table ->
case ets:lookup(Table, Username) of
[User] -> User;
_ -> undefined
end
try ets:lookup(?KHEPRI_USERS_PROJECTION, Username) of
[User] -> User;
_ -> undefined
catch
error:badarg ->
undefined
end.
%% -------------------------------------------------------------------
@ -297,18 +295,16 @@ get_user_permissions_in_mnesia(Username, VHostName) ->
end.
get_user_permissions_in_khepri(Username, VHostName) ->
case ets:whereis(?KHEPRI_PERMISSIONS_PROJECTION) of
undefined ->
undefined;
Table ->
UserVHost = #user_vhost{username = Username,
virtual_host = VHostName},
case ets:lookup(Table, UserVHost) of
[UserPermission] ->
UserPermission;
_ ->
undefined
end
UserVHost = #user_vhost{username = Username,
virtual_host = VHostName},
try ets:lookup(?KHEPRI_PERMISSIONS_PROJECTION, UserVHost) of
[UserPermission] ->
UserPermission;
_ ->
undefined
catch
error:badarg ->
undefined
end.
%% -------------------------------------------------------------------

45
deps/rabbit/src/rabbit_db_vhost.erl vendored
View File

@ -242,11 +242,11 @@ exists_in_mnesia(VHostName) ->
mnesia:dirty_read({?MNESIA_TABLE, VHostName}) /= [].
exists_in_khepri(VHostName) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
false;
Table ->
ets:member(Table, VHostName)
try
ets:member(?KHEPRI_PROJECTION, VHostName)
catch
error:badarg ->
false
end.
%% -------------------------------------------------------------------
@ -275,14 +275,12 @@ get_in_mnesia(VHostName) ->
end.
get_in_khepri(VHostName) ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
undefined;
Table ->
case ets:lookup(Table, VHostName) of
[Record] -> Record;
_ -> undefined
end
try ets:lookup(?KHEPRI_PROJECTION, VHostName) of
[Record] -> Record;
_ -> undefined
catch
error:badarg ->
undefined
end.
%% -------------------------------------------------------------------
@ -306,11 +304,11 @@ get_all_in_mnesia() ->
mnesia:dirty_match_object(?MNESIA_TABLE, vhost:pattern_match_all()).
get_all_in_khepri() ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
ets:tab2list(Table)
try
ets:tab2list(?KHEPRI_PROJECTION)
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------
@ -334,11 +332,12 @@ list_in_mnesia() ->
mnesia:dirty_all_keys(?MNESIA_TABLE).
list_in_khepri() ->
case ets:whereis(?KHEPRI_PROJECTION) of
undefined ->
[];
Table ->
ets:select(Table, [{vhost:pattern_match_names(), [], ['$1']}])
try
ets:select(
?KHEPRI_PROJECTION, [{vhost:pattern_match_names(), [], ['$1']}])
catch
error:badarg ->
[]
end.
%% -------------------------------------------------------------------