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/*
* 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.
*/
#ifndef PING_H
#define PING_H
#include "init.h"
#include "forward.h"
/*
* Initial default --ping-restart before --pull
*/
#define PRE_PULL_INITIAL_PING_RESTART 120 /* in seconds */
extern const uint8_t ping_string[];
/* PING_STRING_SIZE must be sizeof (ping_string) */
#define PING_STRING_SIZE 16
static inline bool
is_ping_msg(const struct buffer *buf)
{
return buf_string_match(buf, ping_string, PING_STRING_SIZE);
}
#endif
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