Github user rnewson commented on a diff in the pull request:
https://github.com/apache/couchdb-couch-log/pull/4#discussion_r39838440
--- Diff: src/couch_log.erl ---
@@ -12,41 +12,115 @@
-module(couch_log).
+-ifdef(TEST).
+-include_lib("eunit/include/eunit.hrl").
+-endif.
+
-export([debug/2, info/2, notice/2, warning/2, error/2, critical/2,
alert/2, emergency/2]).
-export([set_level/1]).
+-export([behaviour_info/1]).
+
+behaviour_info(callbacks) ->
+ [{debug, 2}, {info, 2}, {notice, 2}, {warning, 2},
+ {error, 2}, {critical, 2}, {alert, 2}, {set_level, 1}];
+behaviour_info(_) ->
+ undefined.
+
+-spec debug(string(), list()) -> ok.
debug(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, debug]),
- lager:debug(Fmt, Args).
+ Backend:debug(Fmt, Args).
+-spec info(string(), list()) -> ok.
info(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, info]),
- lager:info(Fmt, Args).
+ Backend:info(Fmt, Args).
+-spec notice(string(), list()) -> ok.
notice(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, notice]),
- lager:notice(Fmt, Args).
+ Backend:notice(Fmt, Args).
+-spec warning(string(), list()) -> ok.
warning(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, warning]),
- lager:warning(Fmt, Args).
+ Backend:warning(Fmt, Args).
+-spec error(string(), list()) -> ok.
error(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, 'error']),
- lager:error(Fmt, Args).
+ Backend:error(Fmt, Args).
+-spec critical(string(), list()) -> ok.
critical(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, critical]),
- lager:critical(Fmt, Args).
+ Backend:critical(Fmt, Args).
+-spec alert(string(), list()) -> ok.
alert(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, alert]),
- lager:alert(Fmt, Args).
+ Backend:alert(Fmt, Args).
+-spec emergency(string(), list()) -> ok.
emergency(Fmt, Args) ->
+ {ok, Backend} = get_backend(),
catch couch_stats:increment_counter([couch_log, level, emergency]),
- lager:emergency(Fmt, Args).
+ Backend:emergency(Fmt, Args).
+-spec set_level(atom()) -> ok.
set_level(Level) ->
- {ok, Handlers} = application:get_env(lager, handlers),
- [lager:set_loglevel(Handler, Level) || {Handler, _} <- Handlers].
+ {ok, Backend} = application:get_env(?MODULE, backend),
--- End diff --
should call get_backend()
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