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%% Copyright (c) 2022 Peter Morgan <peter.james.morgan@gmail.com> |
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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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%% You may obtain a copy of the License at |
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%% |
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%% http://www.apache.org/licenses/LICENSE-2.0 |
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%% |
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%% Unless required by applicable law or agreed to in writing, software |
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%% distributed under the License is distributed on an "AS IS" BASIS, |
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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%% See the License for the specific language governing permissions and |
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%% limitations under the License. |
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-module(mcd_sup). |
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-behaviour(supervisor). |
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-export([get_child/2]). |
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-export([init/1]). |
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-export([start_link/0]). |
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-export([supervisor/1]). |
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-export([worker/1]). |
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start_link() -> |
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supervisor:start_link({local, ?MODULE}, ?MODULE, []). |
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init([]) -> |
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{ok, configuration()}. |
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configuration() -> |
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{#{}, children()}. |
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children() -> |
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Callback = mcd_config:protocol(callback), |
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[worker(mcd_telemetry), |
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worker(mcd_opcode), |
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worker(mcd_status), |
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worker(mcd_stat), |
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worker(#{m => mcd_reaper, args => [#{callback => Callback}]}), |
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supervisor(#{m => mcd_tcp_sup, args => [#{callback => Callback}]}), |
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supervisor(#{m => mcd_udp_sup, args => [#{callback => Callback}]})]. |
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worker(Arg) -> |
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child(Arg). |
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supervisor(Arg) -> |
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maps:merge(child(Arg), #{type => supervisor}). |
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child(#{m := M} = Arg) -> |
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maps:merge( |
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#{id => M, start => mfargs(Arg)}, |
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maps:with(keys(), Arg)); |
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child(Arg) when is_atom(Arg) -> |
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?FUNCTION_NAME(#{m => Arg}). |
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mfargs(#{m := M} = Arg) -> |
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{M, maps:get(f, Arg, start_link), maps:get(args, Arg, [])}. |
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keys() -> |
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[id, start, restart, significant, shutdown, type, modules]. |
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get_child(SupRef, Id) -> |
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lists:keyfind(Id, 1, supervisor:which_children(SupRef)). |