2012-06-04 08:30:45 +02:00
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/*
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2014-02-23 20:12:25 +01:00
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Copyright (c) 2011-2014, Arvid Norberg
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2012-06-04 08:30:45 +02:00
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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2014-07-19 04:17:19 +02:00
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#include "libtorrent/config.hpp"
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2011-02-26 18:59:34 +01:00
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#include "libtorrent/random.hpp"
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2014-07-19 04:17:19 +02:00
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#include "libtorrent/assert.hpp"
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2014-08-16 22:26:00 +02:00
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#include <boost/random/random_device.hpp>
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#include <boost/random/mersenne_twister.hpp>
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#include <boost/random/uniform_int_distribution.hpp>
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2011-02-26 18:59:34 +01:00
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namespace libtorrent
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{
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boost::uint32_t random()
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{
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2014-08-16 22:26:00 +02:00
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using boost::random::random_device;
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using boost::random::mt19937;
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using boost::random::uniform_int_distribution;
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2011-02-26 18:59:34 +01:00
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2014-08-16 22:26:00 +02:00
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static random_device dev;
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static mt19937 random_engine(dev());
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return uniform_int_distribution<boost::uint32_t>(0, UINT_MAX)(random_engine);
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2011-02-26 18:59:34 +01:00
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}
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}
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