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