global.h

/*
 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2.0, as
 * published by the Free Software Foundation.
 *
 * This program is also distributed with certain software (including
 * but not limited to OpenSSL) that is licensed under separate terms,
 * as designated in a particular file or component or in included license
 * documentation.  The authors of MySQL hereby grant you an
 * additional permission to link the program and your derivative works
 * with the separately licensed software that they have included with
 * MySQL.
 *
 * Without limiting anything contained in the foregoing, this file,
 * which is part of MySQL Connector/C++, is also subject to the
 * Universal FOSS Exception, version 1.0, a copy of which can be found at
 * http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * This program 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 General Public License, version 2.0, for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
 */

#ifndef MYSQLX_GLOBAL_H
#define MYSQLX_GLOBAL_H

/*
  This header contains global declarations that are used by both DevAPI
  and XAPI. This is only implementation-side stuff - No public header
  should depend on this one.
*/

#include "cdk/extra/uuid/include/uuid_gen.h"

namespace mysqlx {

/*
  Wrapper around uuid generator which ensures that it is properly
  initialized using process id (so that concurrent processes use
  different UUIDs).
*/

inline
void generate_uuid(uuid::uuid_type &buf)
{
  /*
    Note: This static initializer instance will be constructed
    only once.
  */
  static struct Initializer
  {
    Initializer()
    {
      uuid::set_seed_from_time_pid();
    }
  }
  uuid_init;

  uuid::generate_uuid(buf);
}

}

#endif