tftp.ldb

来自「wm PNE 3.3 source code, running at more 」· LDB 代码 · 共 49 行

(define-rcs-info "$Id: tftp.ldb,v 1.1.1.1 2001/11/05 17:47:21 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 TFTP_MESSAGE
  (union (struct
	  (field OPCODE (enum (type (unsigned 16))
			      (value OP_RRQ 1)
			      (value OP_WRQ 2)
			      (value OP_DATA 3)
			      (value OP_ACK 4)
			      (value OP_ERROR 5)))
	  )
	 (struct
	  ;; OP_RRQ/OP_WRQ
	  (fill 16)			;opcode
	  (field FILENAME (unsigned 8)) ; well, not really, but....
	  )
	 (struct
	  ;; OP_DATA/OP_ACK
	  (fill 16)			;opcode
	  (field BLOCK (unsigned 16))
	  ;; followed by data
	  )
	 (struct
	  ;; OP_ERROR
	  (fill 16)			;opcode
	  (field ERROR (enum (type (unsigned 16))
			     (value ERR_USEMSG 	0)
			     (value ERR_NOFILE 	1)
			     (value ERR_ACCESS 	2)
			     (value ERR_DISKFULL 3)
			     (value ERR_ILLEGALOP 4)
			     (value ERR_BADTID 5)
			     (value ERR_EXISTS 6)
			     (value ERR_NOUSER 7)))
	  ;;; rest of packet is error message
	  )))




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