feat: auto subscribe, todo: test SUITE
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turtleDeng
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.rebar3
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Copyright 2021, DDDHuang <904897578@qq.com>.
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@ -0,0 +1,9 @@
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emqx_auto_subscribe
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=====
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An OTP application
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Build
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-----
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$ rebar3 compile
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@ -0,0 +1,29 @@
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auto_subscribe {
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topics = [
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# {
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# topic = "/c/${clientid}",
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# qos = 0
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# },
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# {
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# topic = "/u/${username}",
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# qos = 1
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# },
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# {
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# topic = "/h/${host}",
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# qos = 2
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# },
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# {
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# topic = "/p/${port}",
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# qos = 0
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# },
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# {
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# topic = "/topic/abc",
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# qos = 0
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# },
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# {
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# topic = "/client/${clientid}/username/${username}/host/${host}/port/${port}",
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# qos = 0
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# }
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]
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}
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@ -0,0 +1,6 @@
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{erl_opts, [debug_info]}.
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{deps, []}.
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{shell, [
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{apps, [emqx_auto_subscribe]}
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]}.
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@ -0,0 +1,15 @@
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{application, emqx_auto_subscribe,
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[{description, "An OTP application"},
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{vsn, "0.1.0"},
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{registered, []},
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{mod, {emqx_auto_subscribe_app, []}},
|
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{applications,
|
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[kernel,
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stdlib
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]},
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{env,[]},
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{modules, []},
|
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|
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{licenses, ["Apache 2.0"]},
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{links, []}
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]}.
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@ -0,0 +1,80 @@
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%%--------------------------------------------------------------------
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||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
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|
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-module(emqx_auto_subscribe).
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-define(HOOK_POINT, 'client.connected').
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-define(MAX_AUTO_SUBSCRIBE, 20).
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-export([load/0]).
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-export([ max_limit/0
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, list/0
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, update/1
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, test/1
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]).
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%% hook callback
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-export([on_client_connected/3]).
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load() ->
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update_hook().
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max_limit() ->
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?MAX_AUTO_SUBSCRIBE.
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list() ->
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emqx:get_config([auto_subscribe, topics], []).
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update(Topics) ->
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update_(Topics).
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test(_) ->
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%% TODO: test rule with info map
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ok.
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% test(Topic) when is_map(Topic) ->
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% test([Topic]);
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% test(Topics) when is_list(Topics) ->
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% PlaceHolders = emqx_auto_subscribe_placeholder:generate(Topics),
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% ClientInfo = #{},
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% ConnInfo = #{},
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% emqx_auto_subscribe_placeholder:to_topic_table([PlaceHolders], ClientInfo, ConnInfo).
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%%--------------------------------------------------------------------
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%% hook
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on_client_connected(ClientInfo, ConnInfo, {TopicHandler, Options}) ->
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TopicTables = erlang:apply(TopicHandler, handle, [ClientInfo, ConnInfo, Options]),
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self() ! {subscribe, TopicTables};
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on_client_connected(_, _, _) ->
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ok.
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%%--------------------------------------------------------------------
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%% internal
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update_(Topics) when length(Topics) =< ?MAX_AUTO_SUBSCRIBE ->
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{ok, _} = emqx:update_config([auto_subscribe, topics], Topics),
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update_hook();
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update_(_Topics) ->
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{error, quota_exceeded}.
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update_hook() ->
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{TopicHandler, Options} = emqx_auto_subscribe_handler:init(),
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emqx_hooks:put(?HOOK_POINT, {?MODULE, on_client_connected, [{TopicHandler, Options}]}),
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ok.
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@ -0,0 +1,64 @@
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%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
|
||||
-module(emqx_auto_subscribe_api).
|
||||
|
||||
-behaviour(minirest_api).
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||||
|
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-export([api_spec/0]).
|
||||
|
||||
-export([auto_subscribe/2]).
|
||||
|
||||
-define(EXCEED_LIMIT, 'EXCEED_LIMIT').
|
||||
|
||||
api_spec() ->
|
||||
{[auto_subscribe_api()], []}.
|
||||
|
||||
schema() ->
|
||||
emqx_mgmt_util:schema(
|
||||
emqx_mgmt_api_configs:gen_schema(
|
||||
emqx:get_raw_config([auto_subscribe, topics]))).
|
||||
|
||||
auto_subscribe_api() ->
|
||||
Metadata = #{
|
||||
get => #{
|
||||
description => <<"Auto subscribe list">>,
|
||||
responses => #{
|
||||
<<"200">> => schema()}},
|
||||
put => #{
|
||||
description => <<"Update auto subscribe topic list">>,
|
||||
'requestBody' => schema(),
|
||||
responses => #{
|
||||
<<"200">> => schema(),
|
||||
<<"409">> => emqx_mgmt_util:error_schema(
|
||||
<<"Auto Subscribe topics max limit">>, [?EXCEED_LIMIT])}}
|
||||
},
|
||||
{"/mqtt/auto_subscribe", Metadata, auto_subscribe}.
|
||||
|
||||
%%%==============================================================================================
|
||||
%% api apply
|
||||
auto_subscribe(get, _) ->
|
||||
{200, emqx_auto_subscribe:list()};
|
||||
|
||||
auto_subscribe(put, #{body := Params}) ->
|
||||
case emqx_auto_subscribe:update(Params) of
|
||||
{error, quota_exceeded} ->
|
||||
Message = list_to_binary(io_lib:format("Max auto subscribe topic count is ~p",
|
||||
[emqx_auto_subscribe:max_limit()])),
|
||||
{409, #{code => ?EXCEED_LIMIT, message => Message}};
|
||||
ok ->
|
||||
{200, emqx_auto_subscribe:list()}
|
||||
end.
|
||||
|
|
@ -0,0 +1,30 @@
|
|||
%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
|
||||
-module(emqx_auto_subscribe_app).
|
||||
|
||||
-behaviour(application).
|
||||
|
||||
-export([start/2, stop/1]).
|
||||
|
||||
start(_StartType, _StartArgs) ->
|
||||
ok = emqx_auto_subscribe:load(),
|
||||
emqx_auto_subscribe_sup:start_link().
|
||||
|
||||
stop(_State) ->
|
||||
ok.
|
||||
|
||||
%% internal functions
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
-module(emqx_auto_subscribe_placeholder).
|
||||
|
||||
-export([generate/1]).
|
||||
|
||||
-export([to_topic_table/3]).
|
||||
|
||||
-spec(generate(list() | map()) -> list() | map()).
|
||||
generate(Topics) when is_list(Topics) ->
|
||||
[generate(Topic) || Topic <- Topics];
|
||||
|
||||
generate(#{qos := Qos, topic := Topic}) when is_binary(Topic) ->
|
||||
#{qos => Qos, placeholder => generate(Topic, [])}.
|
||||
|
||||
-spec(to_topic_table(list(), map(), map()) -> list()).
|
||||
to_topic_table(PlaceHolders, ClientInfo, ConnInfo) ->
|
||||
[begin
|
||||
Topic0 = to_topic(PlaceHolder, ClientInfo, ConnInfo, []),
|
||||
{Topic, Opts} = emqx_topic:parse(Topic0),
|
||||
{Topic, Opts#{qos => Qos}}
|
||||
end || #{qos := Qos, placeholder := PlaceHolder} <- PlaceHolders].
|
||||
|
||||
%%--------------------------------------------------------------------
|
||||
%% internal
|
||||
|
||||
generate(<<"">>, Result) ->
|
||||
lists:reverse(Result);
|
||||
generate(<<"${clientid}", Tail/binary>>, Result) ->
|
||||
generate(Tail, [clientid | Result]);
|
||||
generate(<<"${username}", Tail/binary>>, Result) ->
|
||||
generate(Tail, [username | Result]);
|
||||
generate(<<"${host}", Tail/binary>>, Result) ->
|
||||
generate(Tail, [host | Result]);
|
||||
generate(<<"${port}", Tail/binary>>, Result) ->
|
||||
generate(Tail, [port | Result]);
|
||||
generate(<<Char:8, Tail/binary>>, []) ->
|
||||
generate(Tail, [<<Char:8>>]);
|
||||
generate(<<Char:8, Tail/binary>>, [R | Result]) when is_binary(R) ->
|
||||
generate(Tail, [<<R/binary, Char:8>> | Result]);
|
||||
generate(<<Char:8, Tail/binary>>, [R | Result]) when is_atom(R) ->
|
||||
generate(Tail, [<<Char:8>> | [R | Result]]).
|
||||
|
||||
to_topic([], _, _, Res) ->
|
||||
list_to_binary(lists:reverse(Res));
|
||||
to_topic([Binary | PTs], C, Co, Res) when is_binary(Binary) ->
|
||||
to_topic(PTs, C, Co, [Binary | Res]);
|
||||
to_topic([clientid | PTs], C = #{clientid := ClientID}, Co, Res) ->
|
||||
to_topic(PTs, C, Co, [ClientID | Res]);
|
||||
to_topic([username | PTs], C = #{username := undefined}, Co, Res) ->
|
||||
to_topic(PTs, C, Co, [<<"undefined">> | Res]);
|
||||
to_topic([username | PTs], C = #{username := Username}, Co, Res) ->
|
||||
to_topic(PTs, C, Co, [Username | Res]);
|
||||
to_topic([host | PTs], C, Co = #{peername := {Host, _}}, Res) ->
|
||||
HostBinary = list_to_binary(inet:ntoa(Host)),
|
||||
to_topic(PTs, C, Co, [HostBinary | Res]);
|
||||
to_topic([port | PTs], C, Co = #{peername := {_, Port}}, Res) ->
|
||||
PortBinary = integer_to_binary(Port),
|
||||
to_topic(PTs, C, Co, [PortBinary | Res]).
|
||||
|
|
@ -0,0 +1,34 @@
|
|||
%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
-module(emqx_auto_subscribe_schema).
|
||||
|
||||
-behaviour(hocon_schema).
|
||||
|
||||
-include_lib("typerefl/include/types.hrl").
|
||||
|
||||
-export([ structs/0
|
||||
, fields/1]).
|
||||
|
||||
structs() ->
|
||||
["auto_subscribe"].
|
||||
|
||||
fields("auto_subscribe") ->
|
||||
[ {topics, hoconsc:array(hoconsc:ref(?MODULE, "topic"))}];
|
||||
|
||||
fields("topic") ->
|
||||
[ {topic, emqx_schema:t(binary(), undefined, <<"">>)}
|
||||
, {qos, emqx_schema:t(integer(), undefined, 0)}
|
||||
].
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
|
||||
-module(emqx_auto_subscribe_sup).
|
||||
|
||||
-behaviour(supervisor).
|
||||
|
||||
-export([start_link/0]).
|
||||
|
||||
-export([init/1]).
|
||||
|
||||
-define(SERVER, ?MODULE).
|
||||
|
||||
start_link() ->
|
||||
supervisor:start_link({local, ?SERVER}, ?MODULE, []).
|
||||
|
||||
init([]) ->
|
||||
SupFlags = #{strategy => one_for_all,
|
||||
intensity => 0,
|
||||
period => 1},
|
||||
ChildSpecs = [],
|
||||
{ok, {SupFlags, ChildSpecs}}.
|
||||
|
||||
%% internal functions
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
-module(emqx_auto_subscribe_handler).
|
||||
|
||||
-export([init/0]).
|
||||
|
||||
-spec(init() -> {Module :: atom(), Config :: term()}).
|
||||
init() ->
|
||||
do_init(emqx:get_config([auto_subscribe], #{})).
|
||||
|
||||
do_init(Config = #{topics := _Topics}) ->
|
||||
Options = emqx_auto_subscribe_internal:init(Config),
|
||||
{emqx_auto_subscribe_internal, Options};
|
||||
|
||||
do_init(_) ->
|
||||
erlang:error("only support in EMQ X Enterprise").
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
%%--------------------------------------------------------------------
|
||||
%% Copyright (c) 2020-2021 EMQ Technologies Co., Ltd. All Rights Reserved.
|
||||
%%
|
||||
%% Licensed under the Apache License, Version 2.0 (the "License");
|
||||
%% you may not use this file except in compliance with the License.
|
||||
%% You may obtain a copy of the License at
|
||||
%%
|
||||
%% http://www.apache.org/licenses/LICENSE-2.0
|
||||
%%
|
||||
%% Unless required by applicable law or agreed to in writing, software
|
||||
%% distributed under the License is distributed on an "AS IS" BASIS,
|
||||
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
%% See the License for the specific language governing permissions and
|
||||
%% limitations under the License.
|
||||
%%--------------------------------------------------------------------
|
||||
-module(emqx_auto_subscribe_internal).
|
||||
|
||||
-export([init/1]).
|
||||
|
||||
-export([handle/3]).
|
||||
|
||||
-spec(init(Config :: map()) -> HandlerOptions :: term()).
|
||||
init(#{topics := Topics}) ->
|
||||
emqx_auto_subscribe_placeholder:generate(Topics).
|
||||
|
||||
-spec(handle(ClientInfo :: map(), ConnInfo :: map(), HandlerOptions :: term()) ->
|
||||
TopicTables :: list()).
|
||||
handle(ClientInfo, ConnInfo, PlaceHolders) ->
|
||||
emqx_auto_subscribe_placeholder:to_topic_table(PlaceHolders, ClientInfo, ConnInfo).
|
||||
|
|
@ -48,6 +48,7 @@
|
|||
, emqx_statsd_schema
|
||||
, emqx_authn_schema
|
||||
, emqx_authz_schema
|
||||
, emqx_auto_subscribe_schema
|
||||
, emqx_bridge_mqtt_schema
|
||||
, emqx_modules_schema
|
||||
, emqx_management_schema
|
||||
|
|
|
|||
|
|
@ -267,6 +267,7 @@ relx_apps(ReleaseType) ->
|
|||
, emqx_connector
|
||||
, emqx_authn
|
||||
, emqx_authz
|
||||
, emqx_auto_subscribe
|
||||
, emqx_gateway
|
||||
, emqx_exhook
|
||||
, emqx_data_bridge
|
||||
|
|
|
|||
Loading…
Reference in New Issue