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-module(lager_helper).
-compile(export_all).
-compile({parse_transform,lager_transform}).
-include_lib("kernel/src/logger_internal.hrl").
start() ->
application:load(lager),
application:set_env(lager, error_logger_redirect, false),
application:set_env(lager, async_threshold, 100010),
application:set_env(lager, async_threshold_window, 100),
application:set_env(lager,handlers,[{?MODULE,[{level,error}]}]),
lager:start().
stop() ->
application:stop(lager).
do_func(Level,Msg) ->
lager:log(Level,[{pid,self()}],Msg,[]).
do_parsetrans(error,Msg) ->
lager:error(Msg,[]);
do_parsetrans(info,Msg) ->
lager:info(Msg,[]).
%%%-----------------------------------------------------------------
%%% Dummy handler for lager
-record(state, {level :: {'mask', integer()},
formatter :: atom(),
format_config :: any()}).
init(Opts) ->
Level = proplists:get_value(level,Opts,info),
Formatter = proplists:get_value(formatter,Opts,logger_bench_SUITE),
FormatConfig = proplists:get_value(format_config,Opts,?DEFAULT_FORMAT_CONFIG),
{ok,#state{level=lager_util:config_to_mask(Level),
formatter=Formatter,
format_config=FormatConfig}}.
handle_call(get_loglevel, #state{level=Level} = State) ->
{ok, Level, State};
handle_call({set_loglevel, Level}, State) ->
try lager_util:config_to_mask(Level) of
Levels ->
{ok, ok, State#state{level=Levels}}
catch
_:_ ->
{ok, {error, bad_log_level}, State}
end;
handle_call(_Request, State) ->
{ok, ok, State}.
handle_event({log, Message},
#state{level=L,formatter=Formatter,format_config=FormatConfig} = State) ->
case lager_util:is_loggable(Message, L, ?MODULE) of
true ->
Metadata =
case maps:from_list(lager_msg:metadata(Message)) of
Meta = #{pid:=Pid} when is_pid(Pid) ->
Meta;
Meta = #{pid:=PidStr} when is_list(PidStr) ->
Meta
end,
Log = #{level=>lager_msg:severity(Message),
msg=>{report,lager_msg:message(Message)},
meta=>Metadata},
io:put_chars(user, Formatter:format(Log,FormatConfig)),
{ok, State};
false ->
{ok, State}
end;
handle_event(_Event, State) ->
{ok, State}.
|
