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@@ -1,93 +0,0 @@
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-%%--------------------------------------------------------------------
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-%% Copyright (c) 2012-2016 Feng Lee <feng@emqtt.io>.
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-%%
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-%% Licensed under the Apache License, Version 2.0 (the "License");
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-%% you may not use this file except in compliance with the License.
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-%% You may obtain a copy of the License at
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-%%
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-%% http://www.apache.org/licenses/LICENSE-2.0
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-%%
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-%% Unless required by applicable law or agreed to in writing, software
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-%% distributed under the License is distributed on an "AS IS" BASIS,
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-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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-%% See the License for the specific language governing permissions and
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-%% limitations under the License.
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-%%--------------------------------------------------------------------
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-
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-%% @doc Utility functions.
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-%% @author Feng Lee <feng@emqtt.io>
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--module(emqttd_util).
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-
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--export([apply_module_attributes/1, all_module_attributes/1, cancel_timer/1,
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- now_to_secs/0, now_to_secs/1, now_to_ms/0, now_to_ms/1]).
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-
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--export([integer_to_binary/1]).
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-
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-%% only {F, Args}...
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-apply_module_attributes(Name) ->
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- [{Module, [apply(Module, F, Args) || {F, Args} <- Attrs]} ||
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- {_App, Module, Attrs} <- all_module_attributes(Name)].
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-
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-%% copy from rabbit_misc.erl
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-all_module_attributes(Name) ->
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- Targets =
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- lists:usort(
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- lists:append(
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- [[{App, Module} || Module <- Modules] ||
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- {App, _, _} <- ignore_lib_apps(application:loaded_applications()),
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- {ok, Modules} <- [application:get_key(App, modules)]])),
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- lists:foldl(
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- fun ({App, Module}, Acc) ->
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- case lists:append([Atts || {N, Atts} <- module_attributes(Module),
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- N =:= Name]) of
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- [] -> Acc;
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- Atts -> [{App, Module, Atts} | Acc]
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- end
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- end, [], Targets).
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-
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-%% copy from rabbit_misc.erl
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-module_attributes(Module) ->
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- case catch Module:module_info(attributes) of
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- {'EXIT', {undef, [{Module, module_info, _} | _]}} ->
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- [];
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- {'EXIT', Reason} ->
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- exit(Reason);
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- V ->
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- V
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- end.
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-
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-ignore_lib_apps(Apps) ->
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- LibApps = [kernel, stdlib, sasl,
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- syntax_tools, ssl, crypto,
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- mnesia, os_mon, inets,
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- goldrush, lager, gproc,
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- runtime_tools, snmp, otp_mibs,
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- public_key, asn1, ssh,
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- common_test, observer, webtool,
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- xmerl, tools, test_server,
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- compiler, debugger, eunit,
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- et, gen_logger, wx,
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- hipe, esockd, mochiweb],
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- [App || App = {Name, _, _} <- Apps, not lists:member(Name, LibApps)].
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-
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-
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-cancel_timer(undefined) ->
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- undefined;
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-cancel_timer(Ref) ->
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- catch erlang:cancel_timer(Ref).
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-
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-integer_to_binary(I) when is_integer(I) ->
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- list_to_binary(integer_to_list(I)).
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-
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-now_to_secs() ->
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- now_to_secs(os:timestamp()).
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-
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-now_to_secs({MegaSecs, Secs, _MicroSecs}) ->
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- MegaSecs * 1000000 + Secs.
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-
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-now_to_ms() ->
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- now_to_ms(os:timestamp()).
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-
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-now_to_ms({MegaSecs, Secs, MicroSecs}) ->
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- (MegaSecs * 1000000 + Secs) * 1000 + round(MicroSecs/1000).
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-
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