suricata
util-bloomfilter-counting.h
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1 /* Copyright (C) 2007-2010 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 __BLOOMFILTERCOUNTING_H__
25 #define __BLOOMFILTERCOUNTING_H__
26 
27 /* Bloom filter structure */
28 typedef struct BloomFilterCounting_ {
29  uint8_t *array;
30  uint32_t array_size; /* size in buckets */
31  uint8_t type; /* 1, 2 or 4 byte counters */
32  uint8_t hash_iterations;
33  uint32_t (*Hash)(const void *, uint16_t, uint8_t, uint32_t);
35 
36 /* prototypes */
37 BloomFilterCounting *BloomFilterCountingInit(uint32_t, uint8_t, uint8_t, uint32_t (*Hash)(const void *, uint16_t, uint8_t, uint32_t));
40 int BloomFilterCountingAdd(BloomFilterCounting *, const void *, uint16_t);
41 int BloomFilterCountingRemove(BloomFilterCounting *, const void *, uint16_t);
42 int BloomFilterCountingTest(BloomFilterCounting *, const void *, uint16_t);
43 
45 
46 #endif /* __BLOOMFILTERCOUNTING_H__ */
47 
uint32_t(* Hash)(const void *, uint16_t, uint8_t, uint32_t)
int BloomFilterCountingTest(BloomFilterCounting *, const void *, uint16_t)
void BloomFilterCountingPrint(BloomFilterCounting *)
BloomFilterCounting * BloomFilterCountingInit(uint32_t, uint8_t, uint8_t, uint32_t(*Hash)(const void *, uint16_t, uint8_t, uint32_t))
void BloomFilterCountingFree(BloomFilterCounting *)
int BloomFilterCountingAdd(BloomFilterCounting *, const void *, uint16_t)
int BloomFilterCountingRemove(BloomFilterCounting *, const void *, uint16_t)
struct BloomFilterCounting_ BloomFilterCounting
void BloomFilterCountingRegisterTests(void)