dns.ldb

vxworks 6.x 的全部头文件

; $Header: /usr/cvsroot/target/h/wrn/wm/util/layout/dns.ldb,v 1.1.1.1 2001/11/05 17:47:20 tneale Exp $
; Layout information for DNS

;****************************************************************************
;
;  *** Restricted Rights Legend ***
;
;  The programs and information contained herein are licensed only
;  pursuant to a license agreement that contains use, reverse
;  engineering, disclosure, and other restrictions; accordingly, it
;  is "Unpublished--all rights reserved under the applicable
;  copyright laws".
;
;  Use duplication, or disclosure by the Government is subject to
;  restrictions as set forth in subparagraph (c)(1)(ii) of the Rights
;  in Technical Data and Computer Licensed Programs clause of DFARS
;  52.227 7013.
;
;  Copyright 2000-2001 Wind River Systems, Inc.
;  Copyright 1996-1997 Epilogue Technology Corporation.
;  Copyright 1998 Integrated Systems, Inc.
;  All rights reserved.
;
;  *** Government Use ***
;
;  The Licensed Programs and their documentation were developed at
;  private expense and no part of them is in the public domain.
;
;  The Licensed Programs are "Restricted Computer Software" as that
;  term is defined in Clause 52.227-19 of the Federal Acquisition
;  Regulations (FAR) and are "Commercial Computer Software" as that
;  term is defined in Subpart 227.401 of the Department of Defense
;  Federal Acquisition Regulation Supplement (DFARS).
;
;  (i) If the licensed Programs are supplied to the Department of
;      Defense (DoD), the Licensed Programs are classified as
;      "Commercial Computer Software" and the Government is acquiring
;      only "restricted rights" in the Licensed Programs and their
;      documentation as that term is defined in Clause 52.227
;      7013(c)(1) of the DFARS, and
;
;  (ii) If the Licensed Programs are supplied to any unit or agency
;      of the United States Government other than DoD, the
;      Government's rights in the Licensed Programs and their
;      documentation will be as defined in Clause 52.227-19(c)(2) of
;      the FAR.
;****************************************************************************

;  $Log: dns.ldb,v $
;  Revision 1.1.1.1  2001/11/05 17:47:20  tneale
;  Tornado shuffle
;
;  Revision 1.8  2001/01/19 22:22:32  paul
;  Update copyright.
;
;  Revision 1.7  1998/02/25 15:21:40  sra
;  Finish moving types.h, bug.h, and bugdef.h to common/h/.
;
;  Revision 1.6  1998/02/25 04:53:54  sra
;  Update copyrights.
;
;  Revision 1.5  1997/09/26 20:21:14  alan
;  Use features of new layout compiler: `use-layouts' and `C-include'.
;
;  Revision 1.4  1997/06/04 05:46:23  alan
;  Fix RCS keywords.
;
;  Revision 1.3  1997/06/03 22:59:32  alan
;  Use `define-rcs-info'.
;
;  Revision 1.2  1997/04/22 00:18:31  alan
;  Fix copyright.
;
;  Revision 1.1  1997/04/19 04:12:13  alan
;  Move all .ldb files into the `layout' directory.
;
;  Revision 1.2  1996/12/03 07:51:11  alan
;  Add AAAA type.
;
;  Revision 1.1  1996/06/06  01:54:35  alan
;  Added the file `dns.ldb'.

(define-rcs-info "$Id: dns.ldb,v 1.1.1.1 2001/11/05 17:47:20 tneale Exp $")

(C-include EPILOGUE_INSTALL_H <install.h>)
(C-include EPILOGUE_TYPES_H <common/h/types.h>)
(C-include EPILOGUE_LAYOUT_LDBGLUE_H <layout/ldbglue.h>)

(define-layout DNS_TYPE
  (enum (type (opaque 16))
	(value A 1)
	(value NS 2)
	(value MD 3)
	(value MF 4)
	(value CNAME 5)
	(value SOA 6)
	(value MB 7)
	(value MG 8)
	(value MR 9)
	(value NULL 10)
	(value WKS 11)
	(value PTR 12)
	(value HINFO 13)
	(value MINFO 14)
	(value MX 15)
	(value TXT 16)
	(value AAAA 28)
	;; Following types can only be used in queries:
	(value AXFR 252)
	(value MAILB 253)
	(value MAILA 254)
	(value WILD 255)	; aka "*"
	))

(define-layout DNS_CLASS
  (enum (type (opaque 16))
	(value IN 1)
	(value CS 2)
	(value CH 3)
	(value HS 4)
	;; Following types can only be used in queries:
	(value WILD 255)	; aka "*"
	))

(define-layout DNS_HEADER
  (struct (size (* 6 16))
	  (field ID (opaque 16))
	  (struct (size 16)
		  (align 1)
		  (field QR (boolean 1))
		  (field OPCODE (enum (type (unsigned 4))
				      (value QUERY 0)
				      (value IQUERY 1)
				      (value STATUS 2)))
		  (field AA (boolean 1))
		  (field TC (boolean 1))
		  (field RD (boolean 1))
		  (field RA (boolean 1))
		  (fill 3)	; MBZ
		  (field RCODE (enum (type (unsigned 4))
				     (value NO_ERROR 0)
				     (value FORMAT_ERROR 1)
				     (value SERVER_FAILURE 2)
				     (value NAME_ERROR 3)
				     (value NOT_IMPLEMENTED 4)
				     (value REFUSED 5)
				     ))
		  )
	  (field QDCOUNT (unsigned 16))
	  (field ANCOUNT (unsigned 16))
	  (field NSCOUNT (unsigned 16))
	  (field ARCOUNT (unsigned 16))
	  ))

;; *NOTE*  Some of the time fields here might actually want to be -signed-
;; quantities.  RFC1035 is sometimes unclear about this.  Fortunately, we are
;; saved from having to worry about this here by the fact that the `layout'
;; tool doesn't support the signed types completely...

(define-layout DNS_RR
  (struct (size (* 5 16))
	  ;; First comes NAME (a domain-name)
	  ;; and then these fixed fields:
	  (field TYPE DNS_TYPE)
	  (field CLASS DNS_CLASS)
	  ;; A Question would end here.
	  (field TTL (unsigned 32))
	  (field RDLENGTH (unsigned 16))
	  (field RDATA (array (count 0)
			      (type (unsigned 8))))
	  ))

(define-layout DNS_SOA
  (struct (size (* 5 32))
	  ;; First comes MNAME (a domain-name)
	  ;; and RNAME (a domain-name)
	  ;; and then these fixed fields:
	  (field SERIAL (unsigned 32))
	  (field REFRESH (unsigned 32))
	  (field RETRY (unsigned 32))
	  (field EXPIRE (unsigned 32))
	  (field MINIMUM (unsigned 32))
	  ))

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