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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 caller 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