1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* uhub - A tiny ADC p2p connection hub
* Copyright (C) 2007-2010, Jan Vidar Krey
*
* 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; either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef HAVE_UHUB_FLOOD_CTL_H
#define HAVE_UHUB_FLOOD_CTL_H
struct flood_control
{
time_t time;
size_t count;
};
/**
* Reset flood control statistics
*/
void flood_control_reset(struct flood_control*);
/**
* @param ctl Flood control data structure
* @param max_count Max count for flood control
* @param window Time window for max_count to appear.
* @param now The current time.
*
* @return 0 if flood no flood detected.
* 1 if flood detected.
*/
int flood_control_check(struct flood_control* ctl, size_t max_count, size_t window, time_t now);
#endif /* HAVE_UHUB_FLOOD_CTL_H */
|