/*
 * Copyright (C) 2011-2012 Andreas Steffen
 * HSR Hochschule fuer Technik Rapperswil
 *
 * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
 *
 * 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.
 */

/**
 * @defgroup pen pen
 * @ingroup libstrongswan
 *
 * @defgroup pent pen
 * @{ @ingroup pen
 */

#ifndef PEN_H_
#define PEN_H_

#include <library.h>

typedef enum pen_t pen_t;
typedef struct pen_type_t pen_type_t;

/**
 * Private enterprise numbers allocated by IANA.
 *
 * http://www.iana.org/assignments/enterprise-numbers
 */
enum pen_t {
	PEN_IETF =			0x000000,	/*        0 */
	PEN_IBM =			0x000002,	/*        2 */
	PEN_MICROSOFT =		0x000137,	/*      311 */
	PEN_REDHAT =		0x000908,	/*     2312 */
	PEN_ALTIGA =		0x000c04,	/*     3076 */
	PEN_OSC =			0x002358,	/*     9048 */
	PEN_DEBIAN =		0x002572,	/*     9586 */
	PEN_GOOGLE =		0x002B79,	/*    11129 */
	PEN_TCG =			0x005597,	/*    21911 */
	PEN_CANONICAL =		0x007132,	/*    28978 */
	PEN_FEDORA =		0x0076C1,	/*    30401 */
	PEN_FHH =			0x0080ab,	/*    32939 */
	PEN_ITA =			0x00902a,	/*    36906 */
	PEN_OPENPTS =		0x00950e,	/*    38158 */
	PEN_UNASSIGNED = 	0xfffffe,	/* 16777214 */
	PEN_RESERVED =		0xffffff,	/* 16777215 */
};

/**
 * Vendor specific type in vendor specific namespace.
 */
struct pen_type_t {
	pen_t vendor_id;
	u_int32_t type;
};

/**
 * Create a pen_type_t struct
 *
 * @param vendor_id		vendor ID to create a pen_type_t
 * @param type			type to create a pen_type_t
 * @return				created pen_type_t
 */
static inline pen_type_t pen_type_create(pen_t vendor_id, u_int32_t type)
{
	pen_type_t pen_type = { vendor_id, type };
	return pen_type;
}

/**
 * Check two pen_type_t for equality.
 *
 * @param a				first pen_type_t to compare
 * @param b				second pen_type_t to compare
 * @return				TRUE if a == b
 */
static inline bool pen_type_equals(pen_type_t a, pen_type_t b)
{
	return a.vendor_id == b.vendor_id && a.type == b.type;
}

/**
 * Check if a pen_type_t matches vendor and type.
 *
 * @param pen_type		pen_type_t to compare
 * @param vendor_id		vendor to check in pen_type
 * @param type			type to check in pen_type
 * @return				TRUE if vendor_id and type matches pen_type
 */
static inline bool pen_type_is(pen_type_t pen_type,
							   pen_t vendor_id, u_int32_t type)
{
	return pen_type.vendor_id == vendor_id && pen_type.type == type;
}

/**
 * enum names for pen_t.
 */
extern enum_name_t *pen_names;

#endif /** PEN_H_ @}*/