suricata
util-rohash.h
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1 /* Copyright (C) 2007-2012 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \file
20  *
21  * \author Victor Julien <victor@inliniac.net>
22  */
23 
24 #ifndef __UTIL_ROHASH_H__
25 #define __UTIL_ROHASH_H__
26 
27 #include "queue.h"
28 
29 typedef struct ROHashTable_ {
30  uint8_t locked;
31  uint8_t hash_bits;
32  uint16_t item_size;
33  uint32_t items;
34  void *data;
36 } ROHashTable;
37 
38 /* init time */
39 ROHashTable *ROHashInit(uint8_t hash_bits, uint16_t item_size);
41 void ROHashFree(ROHashTable *table);
42 int ROHashInitQueueValue(ROHashTable *table, void *value, uint16_t size);
43 uint32_t ROHashMemorySize(ROHashTable *table);
44 
45 /* run time */
46 void *ROHashLookup(ROHashTable *table, void *data, uint16_t size);
47 
48 #endif /* __UTIL_ROHASH_H__ */
ROHashTable * ROHashInit(uint8_t hash_bits, uint16_t item_size)
initialize a new rohash
Definition: util-rohash.c:64
uint16_t item_size
Definition: util-rohash.h:32
Flow * head
Definition: flow-hash.h:102
uint32_t ROHashMemorySize(ROHashTable *table)
Definition: util-rohash.c:103
int ROHashInitFinalize(ROHashTable *table)
create final hash data structure
Definition: util-rohash.c:183
uint8_t locked
Definition: util-rohash.h:30
void * data
Definition: util-rohash.h:34
int ROHashInitQueueValue(ROHashTable *table, void *value, uint16_t size)
Add a new value to the hash.
Definition: util-rohash.c:152
uint32_t items
Definition: util-rohash.h:33
void * ROHashLookup(ROHashTable *table, void *data, uint16_t size)
Definition: util-rohash.c:113
void ROHashFree(ROHashTable *table)
Definition: util-rohash.c:92
TAILQ_HEAD(, ROHashTableItem_) head
uint8_t hash_bits
Definition: util-rohash.h:31