diff options
Diffstat (limited to 'ping.h')
-rw-r--r-- | ping.h | 47 |
1 files changed, 47 insertions, 0 deletions
@@ -0,0 +1,47 @@ +/* + * 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) 2002-2005 OpenVPN Solutions LLC <info@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 (see the file COPYING included with this + * distribution); if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 |