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src
openvpn
mstats.h
Go to the documentation of this file.
1
/*
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* OpenVPN -- An application to securely tunnel IP networks
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* over a single TCP/UDP port, with support for SSL/TLS-based
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* session authentication and key exchange,
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* packet encryption, packet authentication, and
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* packet compression.
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*
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* Copyright (C) 2002-2024 OpenVPN Inc <sales@openvpn.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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* Maintain usage stats in a memory-mapped file
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*/
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#if !defined(OPENVPN_MEMSTATS_H) && defined(ENABLE_MEMSTATS)
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#define OPENVPN_MEMSTATS_H
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#include "basic.h"
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/* this struct is mapped to the file */
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struct
mmap_stats {
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counter_type
link_read_bytes;
/* counter_type can be assumed to be a uint64_t */
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counter_type
link_write_bytes;
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int
n_clients;
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#define MSTATS_UNDEF 0
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#define MSTATS_ACTIVE 1
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#define MSTATS_EXPIRED 2
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int
state;
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};
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extern
volatile
struct
mmap_stats *mmap_stats;
/* GLOBAL */
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void
mstats_open(
const
char
*fn);
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void
mstats_close(
void
);
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#endif
/* if !defined(OPENVPN_MEMSTATS_H) && defined(ENABLE_MEMSTATS) */
counter_type
uint64_t counter_type
Definition
common.h:30
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