add open/2 and open/3

include/emdb.hrl~

@@ -1,95 +0,0 @@
-%% Copyright (c) 2011 Basho Technologies, Inc.  All Rights Reserved.
-%%
-%% This file is provided to you under the Apache License,
-%% Version 2.0 (the "License"); you may not use this file
-%% except in compliance with the License.  You may obtain
-%% a copy of the License at
-%%
-%%   http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing,
-%% software distributed under the License is distributed on an
-%% "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-%% KIND, either express or implied.  See the License for the
-%% specific language governing permissions and limitations
-%% under the License.
-
--define(LEVELS,
-    [debug, info, notice, warning, error, critical, alert, emergency, none]).
-
--define(DEBUG, 7).
--define(INFO, 6).
--define(NOTICE, 5).
--define(WARNING, 4).
--define(ERROR, 3).
--define(CRITICAL, 2).
--define(ALERT, 1).
--define(EMERGENCY, 0).
--define(LOG_NONE, -1).
-
--define(LEVEL2NUM(Level),
-    case Level of
-        debug -> ?DEBUG;
-        info -> ?INFO;
-        notice -> ?NOTICE;
-        warning -> ?WARNING;
-        error -> ?ERROR;
-        critical -> ?CRITICAL;
-        alert -> ?ALERT;
-        emergency -> ?EMERGENCY
-    end).
-
--define(NUM2LEVEL(Num),
-    case Num of
-        ?DEBUG -> debug;
-        ?INFO -> info;
-        ?NOTICE -> notice;
-        ?WARNING -> warning;
-        ?ERROR -> error;
-        ?CRITICAL -> critical;
-        ?ALERT -> alert;
-        ?EMERGENCY -> emergency
-    end).
-
--define(SHOULD_LOG(Level),
-    lager_util:level_to_num(Level) =< element(1, lager_mochiglobal:get(loglevel, {?LOG_NONE, []}))).
-
--define(NOTIFY(Level, Pid, Format, Args),
-    gen_event:notify(lager_event, {log, lager_util:level_to_num(Level),
-            lager_util:format_time(), [io_lib:format("[~p] ", [Level]),
-                io_lib:format("~p ", [Pid]), io_lib:format(Format, Args)]})).
-
-%% FOR INTERNAL USE ONLY
-%% internal non-blocking logging call
-%% there's some special handing for when we try to log (usually errors) while
-%% lager is still starting.
--ifdef(TEST).
--define(INT_LOG(Level, Format, Args),
-    case ?SHOULD_LOG(Level) of
-        true ->
-            ?NOTIFY(Level, self(), Format, Args);
-        _ ->
-            ok
-    end).
--else.
--define(INT_LOG(Level, Format, Args),
-    Self = self(),
-    %% do this in a spawn so we don't cause a deadlock calling gen_event:which_handlers
-    %% from a gen_event handler
-    spawn(fun() ->
-            case catch(gen_event:which_handlers(lager_event)) of
-                X when X == []; X == {'EXIT', noproc} ->
-                    %% there's no handlers yet or lager isn't running, try again
-                    %% in half a second.
-                    timer:sleep(500),
-                    ?NOTIFY(Level, Self, Format, Args);
-                _ ->
-                    case ?SHOULD_LOG(Level) of
-                        true ->
-                            ?NOTIFY(Level, Self, Format, Args);
-                        _ ->
-                            ok
-                    end
-            end
-    end)).
--endif.