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/*
Copyright (c) 2007-2010 iMatix Corporation
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/>.
*/
#ifndef __ZMQ_UUID_HPP_INCLUDED__
#define __ZMQ_UUID_HPP_INCLUDED__
#include "platform.hpp"
#include "stdint.hpp"
#if defined ZMQ_HAVE_FREEBSD || defined ZMQ_HAVE_NETBSD
#include <uuid.h>
#elif defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_SOLARIS ||\
defined ZMQ_HAVE_OSX || defined ZMQ_HAVE_CYGWIN
#include <uuid/uuid.h>
#elif defined ZMQ_HAVE_WINDOWS
#include "windows.hpp"
#include <rpc.h>
#elif defined ZMQ_HAVE_OPENVMS
typedef struct
{
unsigned long data0;
unsigned short data1;
unsigned short data2;
unsigned char data3 [8];
} uuid_t;
#endif
namespace zmq
{
// This class provides RFC 4122 (a Universally Unique IDentifier)
// implementation.
class uuid_t
{
public:
uuid_t ();
~uuid_t ();
// The length of textual representation of UUID.
enum { uuid_string_len = 36 };
// Returns a pointer to buffer containing the textual
// representation of the UUID. The callee is reponsible to
// free the allocated memory.
const char *to_string ();
// The length of binary representation of UUID.
enum { uuid_blob_len = 16 };
const unsigned char *to_blob ();
private:
// Converts one byte from hexa representation to binary.
unsigned char convert_byte (const char *hexa_);
// Converts string representation of UUID into standardised BLOB.
// The function is endianness agnostic.
void create_blob ();
#if defined ZMQ_HAVE_WINDOWS
#ifdef ZMQ_HAVE_MINGW32
typedef unsigned char* RPC_CSTR;
#endif
::UUID uuid;
RPC_CSTR string_buf;
#elif defined ZMQ_HAVE_FREEBSD || defined ZMQ_HAVE_NETBSD
::uuid_t uuid;
char *string_buf;
#elif defined ZMQ_HAVE_LINUX || defined ZMQ_HAVE_SOLARIS ||\
defined ZMQ_HAVE_OSX || defined ZMQ_HAVE_CYGWIN ||\
defined ZMQ_HAVE_OPENVMS
::uuid_t uuid;
char string_buf [uuid_string_len + 1];
#else
// RFC 4122 UUID's fields
uint32_t time_low;
uint16_t time_mid;
uint16_t time_hi_and_version;
uint8_t clock_seq_hi_and_reserved;
uint8_t clock_seq_low;
uint8_t node [6];
char string_buf [uuid_string_len + 1];
#endif
unsigned char blob_buf [uuid_blob_len];
};
}
#endif
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