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/*
Copyright (c) 2007-2009 FastMQ Inc.
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the Lesser GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Lesser GNU General Public License for more details.
You should have received a copy of the Lesser GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "platform.hpp"
#include "uuid.hpp"
#include "err.hpp"
#if defined ZMQ_HAVE_WINDOWS
zmq::uuid_t::uuid_t ()
{
RPC_STATUS ret = UuidCreate (&uuid);
zmq_assert (ret == RPC_S_OK);
ret = UuidToString (&uuid, &uuid_str);
zmq_assert (ret == RPC_S_OK);
/*
HRESULT hr = CoCreateGUID (&uuid);
zmq_assert (hr == S_OK);
int rc = StringFromGUID2 (uuid, uuid_str, 40);
zmq_assert (rc != 0);
*/
}
zmq::uuid_t::~uuid_t ()
{
}
const char *zmq::uuid_t::to_string ()
{
return (char*) uuid_str;
}
#elif defined ZMQ_HAVE_FREEBSD
#include <stdlib.h>
#include <uuid.h>
zmq::uuid_t::uuid_t ()
{
uint32_t status;
uuid_create (&uuid, &status);
zmq_assert (status == uuid_s_ok);
uuid_to_string (&uuid, &uuid_str, &status);
zmq_assert (status == uuid_s_ok);
}
zmq::uuid_t::~uuid_t ()
{
free (uuid_str);
}
const char *zmq::uuid_t::to_string ()
{
return uuid_str;
}
#elif defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_SOLARIS || defined ZMQ_HAVE_OSX
#include <uuid/uuid.h>
zmq::uuid_t::uuid_t ()
{
uuid_generate (uuid);
uuid_unparse (uuid, uuid_buf);
}
zmq::uuid_t::~uuid_t ()
{
}
const char *zmq::uuid_t::to_string ()
{
return uuid_buf;
}
#else
#include <stdio.h>
#include <string.h>
#include <openssl/rand.h>
zmq::uuid_t::uuid_t ()
{
unsigned char rand_buf [16];
int ret = RAND_bytes (rand_buf, sizeof rand_buf);
zmq_assert (ret == 1);
// Read in UUID fields.
memcpy (&time_low, rand_buf, sizeof time_low);
memcpy (&time_mid, rand_buf + 4, sizeof time_mid);
memcpy (&time_hi_and_version, rand_buf + 6, sizeof time_hi_and_version);
memcpy (&clock_seq_hi_and_reserved, rand_buf + 8,
sizeof clock_seq_hi_and_reserved);
memcpy (&clock_seq_low, rand_buf + 9, sizeof clock_seq_low);
memcpy (&node [0], rand_buf + 10, sizeof node);
// Store UUID version number.
time_hi_and_version = (time_hi_and_version & 0x0fff) | 4 << 12;
// Store UUID type.
clock_seq_hi_and_reserved = (clock_seq_hi_and_reserved & 0x3f) | 0x80;
snprintf (uuid_buf, sizeof uuid_buf,
"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
time_low,
time_mid,
time_hi_and_version,
clock_seq_hi_and_reserved,
clock_seq_low,
node [0], node [1], node [2], node [3], node [4], node [5]);
}
zmq::uuid_t::~uuid_t ()
{
}
const char *zmq::uuid_t::to_string ()
{
return uuid_buf;
}
#endif
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