gen_logger

%%%-----------------------------------------------------------------------------
%%% Copyright (c) 2014-2016 Feng Lee <feng@emqtt.io>. All Rights Reserved.
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-define(LOG_ALL,        0).
-define(LOG_DEBUG,      1).
-define(LOG_INFO,       2).
-define(LOG_WARNING,    4).
-define(LOG_ERROR,      8).
-define(LOG_CRITICAL,   16).
-define(LOG_NONE,       1024).

-define(LOG_LEVEL_NUM(Level),
    case Level of
        all -> ?LOG_ALL;
        debug -> ?LOG_DEBUG;
        info -> ?LOG_INFO;
        warning -> ?LOG_WARNING;
        error -> ?LOG_ERROR;
        critical -> ?LOG_CRITICAL;
        none -> ?LOG_NONE
    end).