sofia-sip/su_uniqueid.h

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/*
 * This file is part of the Sofia-SIP package
 *
 * Copyright (C) 2005 Nokia Corporation.
 *
 * Contact: Pekka Pessi <pekka.pessi@nokia-email.address.hidden>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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 GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */

#ifndef SU_UNIQUEID_H

#define SU_UNIQUEID_H


#ifndef SU_TYPES_H
#include <sofia-sip/su_types.h>
#endif

SOFIA_BEGIN_DECLS

typedef union GloballyUniqueIdentifier {
  unsigned char id[16];
  struct {
    uint32_t  time_low;
    uint16_t  time_mid;
    uint16_t  time_high_and_version;
    uint8_t   clock_seq_hi_and_reserved;
    uint8_t   clock_seq_low;
    uint8_t   node[6];
  } s;
} su_guid_t;

SOFIAPUBFUN size_t su_node_identifier(void *address, size_t addrlen);

SOFIAPUBFUN void su_guid_generate(su_guid_t *guid);

SOFIAPUBFUN isize_t su_guid_sprintf(char* buf, size_t len, su_guid_t const *guid);

enum {
  su_guid_strlen = 8 + 5 + 5 + 5 + 13
};

SOFIAPUBFUN int su_randint(int lb, int ub);

SOFIAPUBFUN void *su_randmem(void *mem, size_t siz);

SOFIAPUBFUN uint32_t su_random(void);

SOFIA_END_DECLS

#endif