common.h

来自「OpenVPN is a robust and highly flexible 」· C头文件 代码 · 共 58 行

/*
 *  OpenVPN -- An application to securely tunnel IP networks
 *             over a single UDP port, with support for SSL/TLS-based
 *             session authentication and key exchange,
 *             packet encryption, packet authentication, and
 *             packet compression.
 *
 *  Copyright (C) 2002-2004 James Yonan <[e-mail]>
 *
 *  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 2 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 (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 COMMON_H
#define COMMON_H

/*
 * Statistics counters.
 */
typedef unsigned long counter_type;

/*
 * Time intervals
 */
typedef int interval_t;

/*
 * Used as an upper bound for timeouts.
 */
#define BIG_TIMEOUT  (60*60*24*7)  /* one week (in seconds) */

/*
 * Printf formats for special types
 */
#define counter_format          "%lu"
#define ptr_format              "0x%08lx"
#define time_format             "%lu"
#define fragment_header_format  "0x%08x"

/* these are used to cast the arguments
 * and MUST match the formats above */
typedef unsigned long time_type;
typedef unsigned long ptr_type;

#endif