NodeBitmask.hpp

/*
   Copyright (c) 2003, 2010, 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 as published by
   the Free Software Foundation; version 2 of the License.

   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 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 NODE_BITMASK_HPP
#define NODE_BITMASK_HPP

#include "ndb_limits.h"
#include "kernel_types.h"
#include <Bitmask.hpp>

#define _NODE_BITMASK_SIZE 8

#define _NDB_NODE_BITMASK_SIZE 2

#define NODE_ARRAY_SIZE(N, B) (((N)*(B)+31) >> 5)

typedef Bitmask<(unsigned int)_NODE_BITMASK_SIZE> NodeBitmask;
typedef BitmaskPOD<(unsigned int)_NODE_BITMASK_SIZE> NodeBitmaskPOD;

typedef Bitmask<(unsigned int)_NDB_NODE_BITMASK_SIZE> NdbNodeBitmask;
typedef BitmaskPOD<(unsigned int)_NDB_NODE_BITMASK_SIZE> NdbNodeBitmaskPOD;

#define __NBM_SZ  ((MAX_NODES >> 5) + ((MAX_NODES & 31) != 0))
#define __NNBM_SZ ((MAX_NDB_NODES >> 5) + ((MAX_NDB_NODES & 31) != 0))

#if ( __NBM_SZ > _NODE_BITMASK_SIZE)
#error "MAX_NODES can not fit into NODE_BITMASK_SIZE"
#endif

#if ( __NNBM_SZ > _NDB_NODE_BITMASK_SIZE)
#error "MAX_NDB_NODES can not fit into NDB_NODE_BITMASK_SIZE"
#endif

#endif