mirror of
https://github.com/processone/ejabberd.git
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4d8f770624
Use dynamic Rebar configuration Make iconv dependency optional Disable transient_supervisors compile option Add hipe compilation support Only compile ibrowse and lhttpc when needed Make it possible to generate an OTP application release Add --enable-debug compile option Add --enable-all compiler option Add --enable-tools configure option Add --with-erlang configure option. Add --enable-erlang-version-check configure option. Add lager support Improve the test suite
111 lines
3.6 KiB
Erlang
111 lines
3.6 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : mod_time.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose :
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%%% Purpose :
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%%% Created : 18 Jan 2003 by Alexey Shchepin <alexey@process-one.net>
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%%%
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%%%
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%%% ejabberd, Copyright (C) 2002-2013 ProcessOne
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%%%
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%%% This program is free software; you can redistribute it and/or
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%%% modify it under the terms of the GNU General Public License as
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%%% published by the Free Software Foundation; either version 2 of the
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%%% License, or (at your option) any later version.
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%%%
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%%% This program is distributed in the hope that it will be useful,
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%%% but WITHOUT ANY WARRANTY; without even the implied warranty of
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%%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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%%% General Public License for more details.
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%%%
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%%% You should have received a copy of the GNU General Public License
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%%% along with this program; if not, write to the Free Software
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%%% Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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%%% 02111-1307 USA
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%%%
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%%%----------------------------------------------------------------------
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-module(mod_time).
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-author('alexey@process-one.net').
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-behaviour(gen_mod).
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-export([start/2, stop/1, process_local_iq90/3,
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process_local_iq/3]).
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% TODO: Remove once XEP-0090 is Obsolete
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-include("ejabberd.hrl").
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-include("logger.hrl").
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-include("jlib.hrl").
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start(Host, Opts) ->
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IQDisc = gen_mod:get_opt(iqdisc, Opts, fun gen_iq_handler:check_type/1,
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one_queue),
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gen_iq_handler:add_iq_handler(ejabberd_local, Host,
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?NS_TIME90, ?MODULE, process_local_iq90,
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IQDisc),
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gen_iq_handler:add_iq_handler(ejabberd_local, Host,
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?NS_TIME, ?MODULE, process_local_iq, IQDisc).
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stop(Host) ->
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gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
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?NS_TIME90),
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gen_iq_handler:remove_iq_handler(ejabberd_local, Host,
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?NS_TIME).
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%% TODO: Remove this function once XEP-0090 is Obsolete
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process_local_iq90(_From, _To,
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#iq{type = Type, sub_el = SubEl} = IQ) ->
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case Type of
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set ->
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IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
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get ->
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UTC = jlib:timestamp_to_iso(calendar:universal_time()),
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IQ#iq{type = result,
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sub_el =
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[#xmlel{name = <<"query">>,
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attrs = [{<<"xmlns">>, ?NS_TIME90}],
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children =
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[#xmlel{name = <<"utc">>, attrs = [],
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children = [{xmlcdata, UTC}]}]}]}
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end.
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process_local_iq(_From, _To,
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#iq{type = Type, sub_el = SubEl} = IQ) ->
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case Type of
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set ->
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IQ#iq{type = error, sub_el = [SubEl, ?ERR_NOT_ALLOWED]};
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get ->
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Now = now(),
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Now_universal = calendar:now_to_universal_time(Now),
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Now_local = calendar:now_to_local_time(Now),
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{UTC, UTC_diff} = jlib:timestamp_to_iso(Now_universal,
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utc),
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Seconds_diff =
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calendar:datetime_to_gregorian_seconds(Now_local) -
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calendar:datetime_to_gregorian_seconds(Now_universal),
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{Hd, Md, _} =
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calendar:seconds_to_time(abs(Seconds_diff)),
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{_, TZO_diff} = jlib:timestamp_to_iso({{0, 1, 1},
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{0, 0, 0}},
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{sign(Seconds_diff), {Hd, Md}}),
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IQ#iq{type = result,
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sub_el =
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[#xmlel{name = <<"time">>,
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attrs = [{<<"xmlns">>, ?NS_TIME}],
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children =
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[#xmlel{name = <<"tzo">>, attrs = [],
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children = [{xmlcdata, TZO_diff}]},
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#xmlel{name = <<"utc">>, attrs = [],
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children =
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[{xmlcdata,
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<<UTC/binary,
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UTC_diff/binary>>}]}]}]}
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end.
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sign(N) when N < 0 -> <<"-">>;
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sign(_) -> <<"+">>.
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