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80 行
1.8 KiB
80 行
1.8 KiB
-module(rumConfig).
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-include("eRum.hrl").
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-export([
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init/0
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, initSink/1
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, get/1
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, get/2
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, set/2
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, global_get/1
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, global_get/2
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, global_set/2
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, cleanup/0
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]).
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-define(TBL, lager_config).
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-define(GLOBAL, '_global').
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%% For multiple sinks, the key is now the registered event name and the old key as a tuple.
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%% {{lager_event, loglevel}, Value} instead of {loglevel, Value}
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init() ->
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initSink(?RumDefSink),
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%% Need to be able to find the `lager_handler_watcher' for all handlers
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insert_new({?GLOBAL, handlers}, []),
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ok.
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initSink(Sink) ->
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%% use insert_new here so that if we're in an appup we don't mess anything up until lager is completely started, allow all messages to go through
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insert_new({Sink, loglevel}, {element(2, rumUtil:config_to_mask(debug)), []}).
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global_get(Key) ->
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global_get(Key, undefined).
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global_get(Key, Default) ->
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get({?GLOBAL, Key}, Default).
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global_set(Key, Value) ->
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set({?GLOBAL, Key}, Value).
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get({_Sink, _Key} = FullKey) ->
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get(FullKey, undefined);
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get(Key) ->
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get({?RumDefSink, Key}, undefined).
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get({Sink, Key}, Default) ->
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lookup({Sink, Key}, Default);
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get(Key, Default) ->
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get({?RumDefSink, Key}, Default).
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set({Sink, Key}, Value) ->
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insert({Sink, Key}, Value);
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set(Key, Value) ->
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set({?RumDefSink, Key}, Value).
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insert(Key, Value) ->
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persistent_term:put({?TBL, Key}, Value).
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insert_new(Key, Value) ->
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try persistent_term:get({?TBL, Key}) of
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_Value ->
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false
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catch error:badarg ->
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insert(Key, Value),
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true
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end.
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lookup(Key, Default) ->
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try persistent_term:get({?TBL, Key}) of
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Value -> Value
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catch
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error:badarg ->
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Default
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end.
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cleanup() ->
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[persistent_term:erase(K) || {{?TBL, _} = K, _} <- persistent_term:get()].
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