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/* Copyright (C) 2007-2010 Open Information Security Foundation
*
* You can copy, redistribute or modify this Program under the terms of
* the GNU General Public License version 2 as published by the Free
* Software Foundation.
*
* 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
* version 2 along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
/**
* \ingroup utilpool
*
* @{
*/
/**
* \file
*
* \author Victor Julien <victor@inliniac.net>
*/
#ifndef __UTIL_POOL_H__
#define __UTIL_POOL_H__
#define POOL_BUCKET_PREALLOCATED (1 << 0)
/* pool bucket structure */
typedef struct PoolBucket_ {
void *data;
uint8_t flags;
struct PoolBucket_ *next;
} PoolBucket;
/* pool structure */
typedef struct Pool_ {
uint32_t max_buckets;
uint32_t preallocated;
uint32_t allocated; /**< counter of data elements, both currently in
* the pool and outside of it (outstanding) */
uint32_t alloc_stack_size;
PoolBucket *alloc_stack;
PoolBucket *empty_stack;
uint32_t empty_stack_size;
int data_buffer_size;
void *data_buffer;
PoolBucket *pb_buffer;
void *(*Alloc)();
int (*Init)(void *, void *);
void *InitData;
void (*Cleanup)(void *);
void (*Free)(void *);
uint32_t elt_size;
uint32_t outstanding; /**< counter of data items 'in use'. Pretty much
* the diff between PoolGet and PoolReturn */
uint32_t max_outstanding; /**< max value of outstanding we saw */
} Pool;
/* prototypes */
Pool* PoolInit(uint32_t, uint32_t, uint32_t, void *(*Alloc)(), int (*Init)(void *, void *), void *, void (*Cleanup)(void *), void (*Free)(void *));
void PoolFree(Pool *);
void PoolPrint(Pool *);
void PoolPrintSaturation(Pool *p);
void *PoolGet(Pool *);
void PoolReturn(Pool *, void *);
void PoolRegisterTests(void);
#endif /* __UTIL_POOL_H__ */
/**
* @}
*/
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