libnice-prebuild/include/stun/constants.h
2019-11-10 14:03:15 +00:00

204 lines
5.1 KiB
C

/*
* This file is part of the Nice GLib ICE library.
*
* (C) 2008 Collabora Ltd.
* Contact: Youness Alaoui
* (C) 2008 Nokia Corporation. All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Nice GLib ICE library.
*
* The Initial Developers of the Original Code are Collabora Ltd and Nokia
* Corporation. All Rights Reserved.
*
* Contributors:
* Youness Alaoui, Collabora Ltd.
*
* Alternatively, the contents of this file may be used under the terms of the
* the GNU Lesser General Public License Version 2.1 (the "LGPL"), in which
* case the provisions of LGPL are applicable instead of those above. If you
* wish to allow use of your version of this file only under the terms of the
* LGPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the LGPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the LGPL.
*/
#ifndef _STUN_CONSTANTS_H
#define _STUN_CONSTANTS_H
/**
* SECTION:stunconstants
* @short_description: STUN constants
* @include: stun/constants.h
* @stability: Stable
*
* Various constants defining parts of the STUN and TURN protocols and
* on-the-wire packet formats.
*/
/**
* STUN_ATTRIBUTE_LENGTH_LEN:
*
* Length of the length field of a STUN attribute (in bytes).
*/
/**
* STUN_ATTRIBUTE_LENGTH_POS:
*
* Offset of the length field of a STUN attribute (in bytes).
*/
/**
* STUN_ATTRIBUTE_TYPE_LEN:
*
* Length of the type field of a STUN attribute (in bytes).
*/
/**
* STUN_ATTRIBUTE_TYPE_POS:
*
* Offset of the type field of a STUN attribute (in bytes).
*/
/**
* STUN_ATTRIBUTE_VALUE_POS:
*
* Offset of the value field of a STUN attribute (in bytes).
*/
/**
* STUN_ID_LEN:
*
* Length of the ID field of a STUN message (in bytes).
*/
/**
* STUN_MAGIC_COOKIE:
*
* Magic cookie value used to identify STUN messages.
*/
/**
* TURN_MAGIC_COOKIE:
*
* Magic cookie value used to identify TURN messages.
*/
/**
* STUN_MAX_MESSAGE_SIZE_IPV4:
*
* Maximum size of a STUN message sent over IPv4 (in bytes).
*/
/**
* STUN_MAX_MESSAGE_SIZE_IPV6:
*
* Maximum size of a STUN message sent over IPv6 (in bytes).
*/
/**
* STUN_MESSAGE_ATTRIBUTES_POS:
*
* Offset of the attributes of a STUN message (in bytes).
*/
/**
* STUN_MESSAGE_HEADER_LENGTH:
*
* Total length of a STUN message header (in bytes).
*/
/**
* STUN_MESSAGE_LENGTH_LEN:
*
* Length of the length field of a STUN message (in bytes).
*/
/**
* STUN_MESSAGE_LENGTH_POS:
*
* Offset of the length field of a STUN message (in bytes).
*/
/**
* STUN_MESSAGE_TRANS_ID_LEN:
*
* Length of the transaction ID field of a STUN message (in bytes).
*/
/**
* STUN_MESSAGE_TRANS_ID_POS:
*
* Offset of the transaction ID field of a STUN message (in bytes).
*/
/**
* STUN_MESSAGE_TYPE_LEN:
*
* Length of the type field of a STUN message (in bytes).
*/
/**
* STUN_MESSAGE_TYPE_POS:
*
* Offset of the type field of a STUN message (in bytes).
*/
#define STUN_MESSAGE_TYPE_POS 0
#define STUN_MESSAGE_TYPE_LEN 2
#define STUN_MESSAGE_LENGTH_POS \
(STUN_MESSAGE_TYPE_POS + STUN_MESSAGE_TYPE_LEN)
#define STUN_MESSAGE_LENGTH_LEN 2
#define STUN_MESSAGE_TRANS_ID_POS \
(STUN_MESSAGE_LENGTH_POS + STUN_MESSAGE_LENGTH_LEN)
#define STUN_MESSAGE_TRANS_ID_LEN 16
#define STUN_MESSAGE_ATTRIBUTES_POS \
(STUN_MESSAGE_TRANS_ID_POS + STUN_MESSAGE_TRANS_ID_LEN)
#define STUN_MESSAGE_HEADER_LENGTH STUN_MESSAGE_ATTRIBUTES_POS
#define STUN_ATTRIBUTE_TYPE_POS 0
#define STUN_ATTRIBUTE_TYPE_LEN 2
#define STUN_ATTRIBUTE_LENGTH_POS \
(STUN_ATTRIBUTE_TYPE_POS + STUN_ATTRIBUTE_TYPE_LEN)
#define STUN_ATTRIBUTE_LENGTH_LEN 2
#define STUN_ATTRIBUTE_VALUE_POS \
(STUN_ATTRIBUTE_LENGTH_POS + STUN_ATTRIBUTE_LENGTH_LEN)
/**
* STUN_ATTRIBUTE_HEADER_LENGTH:
*
* Length of a single STUN attribute header (in bytes).
*/
#define STUN_ATTRIBUTE_HEADER_LENGTH STUN_ATTRIBUTE_VALUE_POS
#define STUN_MAX_MESSAGE_SIZE_IPV4 576
#define STUN_MAX_MESSAGE_SIZE_IPV6 1280
/* #define STUN_MAX_MESSAGE_SIZE STUN_MAX_MESSAGE_SIZE_IPV4 */
#define STUN_ID_LEN 16
/**
* STUN_AGENT_MAX_SAVED_IDS:
*
* Maximum number of simultaneously ongoing STUN transactions.
*/
#define STUN_AGENT_MAX_SAVED_IDS 200
/**
* STUN_AGENT_MAX_UNKNOWN_ATTRIBUTES:
*
* Maximum number of unknown attribute which can be handled in a single STUN
* message.
*/
#define STUN_AGENT_MAX_UNKNOWN_ATTRIBUTES 256
#define STUN_MAGIC_COOKIE 0x2112A442
#define TURN_MAGIC_COOKIE 0x72c64bc6
#ifndef TRUE
#define TRUE (1 == 1)
#endif
#ifndef FALSE
#define FALSE (0 == 1)
#endif
#endif /* _STUN_CONSTANTS_H */