mirror of
https://github.com/zeromq/libzmq.git
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137 lines
3.0 KiB
C++
137 lines
3.0 KiB
C++
/*
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Copyright (c) 2007-2009 FastMQ Inc.
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the Lesser GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ 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
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Lesser GNU General Public License for more details.
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You should have received a copy of the Lesser GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "platform.hpp"
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#include "uuid.hpp"
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#include "err.hpp"
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#if defined ZMQ_HAVE_WINDOWS
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#include <rpcdce.h>
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zmq::uuid_t::uuid_t ()
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{
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RPC_STATUS ret = UuidCreate (&uuid);
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zmq_assert (ret == RPC_S_OK);
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ret = UuidToString (&uuid, &uuid_str);
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zmq_assert (ret == RPC_S_OK);
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}
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zmq::uuid_t::~uuid_t ()
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{
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RPC_STATUS ret = RpcStringFree(&uuid_str);
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assert (ret == RPC_S_OK);
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}
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const char *zmq::uuid_t::to_string ()
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{
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return uuid_str;
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}
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#elif defined ZMQ_HAVE_FREEBSD
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#include <stdlib.h>
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#include <uuid.h>
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zmq::uuid_t::uuid_t ()
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{
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uint32_t status;
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uuid_create (&uuid, &status);
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zmq_assert (status == uuid_s_ok);
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uuid_to_string (&uuid, &uuid_str, &status);
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zmq_assert (status == uuid_s_ok);
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}
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zmq::uuid_t::~uuid_t ()
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{
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free (uuid_str);
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}
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const char *zmq::uuid_t::to_string ()
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{
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return uuid_str;
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}
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#elif defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_SOLARIS || defined ZMQ_HAVE_OSX
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#include <uuid/uuid.h>
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zmq::uuid_t::uuid_t ()
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{
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uuid_generate (uuid);
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uuid_unparse (uuid, uuid_buf);
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}
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zmq::uuid_t::~uuid_t ()
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{
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}
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const char *zmq::uuid_t::to_string ()
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{
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return uuid_buf;
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}
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#else
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#include <stdio.h>
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#include <string.h>
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#include <openssl/rand.h>
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zmq::uuid_t::uuid_t ()
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{
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unsigned char rand_buf [16];
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int ret = RAND_bytes (rand_buf, sizeof rand_buf);
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zmq_assert (ret == 1);
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// Read in UUID fields.
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memcpy (&time_low, rand_buf, sizeof time_low);
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memcpy (&time_mid, rand_buf + 4, sizeof time_mid);
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memcpy (&time_hi_and_version, rand_buf + 6, sizeof time_hi_and_version);
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memcpy (&clock_seq_hi_and_reserved, rand_buf + 8,
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sizeof clock_seq_hi_and_reserved);
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memcpy (&clock_seq_low, rand_buf + 9, sizeof clock_seq_low);
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memcpy (&node [0], rand_buf + 10, sizeof node);
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// Store UUID version number.
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time_hi_and_version = (time_hi_and_version & 0x0fff) | 4 << 12;
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// Store UUID type.
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clock_seq_hi_and_reserved = (clock_seq_hi_and_reserved & 0x3f) | 0x80;
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snprintf (uuid_buf, sizeof uuid_buf,
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"%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
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time_low,
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time_mid,
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time_hi_and_version,
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clock_seq_hi_and_reserved,
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clock_seq_low,
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node [0], node [1], node [2], node [3], node [4], node [5]);
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}
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zmq::uuid_t::~uuid_t ()
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{
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}
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const char *zmq::uuid_t::to_string ()
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{
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return uuid_buf;
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}
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#endif
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