blob: 0d58cbf30b79e498323a2f7d2c0b44af79646531 (
plain)
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
48
49
50
51
|
/*
* OpenVPN -- An application to securely tunnel IP networks
* over a single TCP/UDP port, with support for SSL/TLS-based
* session authentication and key exchange,
* packet encryption, packet authentication, and
* packet compression.
*
* Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net>
*
* This program is free software; you can redistribute it and/or modify
* it 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 along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* Maintain usage stats in a memory-mapped file
*/
#if !defined(OPENVPN_MEMSTATS_H) && defined(ENABLE_MEMSTATS)
#define OPENVPN_MEMSTATS_H
#include "basic.h"
/* this struct is mapped to the file */
struct mmap_stats {
counter_type link_read_bytes; /* counter_type can be assumed to be a uint64_t */
counter_type link_write_bytes;
int n_clients;
#define MSTATS_UNDEF 0
#define MSTATS_ACTIVE 1
#define MSTATS_EXPIRED 2
int state;
};
extern volatile struct mmap_stats *mmap_stats; /* GLOBAL */
void mstats_open(const char *fn);
void mstats_close(void);
#endif /* if !defined(OPENVPN_MEMSTATS_H) && defined(ENABLE_MEMSTATS) */
|
