53 lines
1.6 KiB
Erlang
53 lines
1.6 KiB
Erlang
%%%----------------------------------------------------------------------
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%%% File : randoms.erl
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%%% Author : Alexey Shchepin <alexey@process-one.net>
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%%% Purpose : Random generation number wrapper
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%%% Created : 13 Dec 2002 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(randoms).
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-author('alexey@process-one.net').
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-export([get_string/0]).
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-export([start/0, init/0]).
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start() ->
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register(random_generator, spawn(randoms, init, [])).
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init() ->
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{A1, A2, A3} = now(), random:seed(A1, A2, A3), loop().
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loop() ->
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receive
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{From, get_random, N} ->
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From ! {random, random:uniform(N)}, loop();
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_ -> loop()
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end.
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get_string() ->
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random_generator ! {self(), get_random, 65536 * 65536},
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receive
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{random, R} -> jlib:integer_to_binary(R)
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end.
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