316 lines
7.1 KiB
Plaintext
316 lines
7.1 KiB
Plaintext
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******************************************************************************
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*
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* Transaction Logging Routine to Change from Raw Log To Unix files
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*
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* Module %M% Version %I% Date %H%
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*
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* (c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
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* This is unpublished proprietary source code of Ardent Software Inc.
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* The copyright notice above does not evidence any actual or intended
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* publication of such source code.
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*
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*******************************************************************************
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*
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* Maintenence log - insert most recent change descriptions at top
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*
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* Date.... GTAR# WHO Description........................................
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* 10/14/98 23801 SAP Change copyrights.
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* 06/01/98 23161 RGA Raw Device support
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*
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*******************************************************************************
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id = "%W%"
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*******************************************************************************
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$INCLUDE UNIVERSE.INCLUDE MTF.INCL.H
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$INCLUDE UNIVERSE.INCLUDE TLOG.H
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$INCLUDE UNIVERSE.INCLUDE MACHINE.NAME
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$INCLUDE UNIVERSE.INCLUDE FILENAMES.H
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* Initialize
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OPENED.FLAG = @FALSE
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DICT.OPENED.FLAG = @FALSE
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DICT.LOCKED.FLAG = @FALSE
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* Equate tokens for return values for sysadmin option
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EQU LDIR$BADPATH TO "1"
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EQU LDIR$BADRAWDEV TO "2"
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EQU ALF$RELEASE TO 'R'
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******************
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** Windows NT port
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**
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DEFFUN GET.DIRNAME(FILESPEC) CALLING "*GET.DIRNAME"
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**
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******************
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temp = ""
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CALL *ISUSER.B(0, temp)
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IF temp = 0 THEN
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TPRINT UVREADMSG(071000,"")
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SLEEP 3
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STOP
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END
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State =""
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RECIO( State, FINFO$AI.STATE, RECIO$FINFO )
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IF State = AI$INITIAL OR State = AI$WARM.START OR State = AI$LOGGING OR State = AI$SUSPENDED OR State = AI$SUSP.PROG OR State = AI$SHUT.PROG THEN
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PRINT "Cannot Change to unix files... Logging must be SHUTDOWN"
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STOP
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END
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IF State = AI$FULL THEN
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Cpt = ""
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RECIO( Cpt, FINFO$AI.CHECKPOINT, RECIO$FINFO )
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IF Cpt = 1 THEN
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PRINT "Cannot Change to unix files... Logging must be SHUTDOWN"
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STOP
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END
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END
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File.Name = FIELD( @SENTENCE, " ", 2 ) ;* get file name from command line
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Option = FIELD( @SENTENCE, " ", 3 ) ;* see if we are from SysAdm
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IF Option = "" THEN
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Option = 0
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END
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* First, open UV_LOGS to check for any logs which have status
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* other than released. If so, then we disallow this operation
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* and return to user
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* Do some initialization
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GOSUB INIT
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* process list of log file numbers - we have at least one
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* If we drop out because SEQUENCE.NUMBER is zero, then we are
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* OK to continue the changeover
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FOR I = 1 TO SEQUENCE.NUMBER
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GOSUB CHECK.LOGFILE
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NEXT I
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REC = ""
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;* initialize dynamic array
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REC<1> = "X"
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;* set RAWDIR to NULL
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REC<2> = ""
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;* Ok, now update record
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WRITE REC ON UV.LOGS.DICT.FVAR, LOGS.RAWDIR ELSE
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ERROR = CANNOT.WRITE.UV.LOGS.DICT.ERROR
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PRINT CANNOT.WRITE.UV.LOGS.DICT.ERROR
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GOTO EXIT
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END
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REC = ""
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;* initialize dynamic array
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REC<1> = "X"
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;* set sequence number back to 1
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REC<2> = "1"
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WRITE REC ON UV.LOGS.DICT.FVAR, "LOG.NEXT" ELSE
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ERROR = CANNOT.WRITE.UV.LOGS.DICT.ERROR
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PRINT CANNOT.WRITE.UV.LOGS.DICT.ERROR
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GOTO EXIT
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END
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;* Second, make sure the raw device exists
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Exec.uvfile = OS.EXEC:" '":UV.BIN:"/UVchange":"'"
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EXECUTE Exec.uvfile CAPTURING trashcan
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IF (INDEX(trashcan, "Error", 1)) THEN
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IF Option = 0 THEN
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PRINT ERR.DIR:File.Name:")"
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path = GET.DIRNAME(File.Name)
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PRINT "Path (":path:") not found"
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END ELSE ;* called from sysadmin
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PRINT LDIR$BADRAWDEV
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END
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GOTO EXIT
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END
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GOTO EXIT
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*====
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INIT:
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*====
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* Parse command line
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TMP = TRIM( @SENTENCE )
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CNT = COUNT( TMP, " " )
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IF ( CNT NE 1 ) THEN
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ERROR = INCORRECT.NUM.ARGS
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GOSUB ERROR.SUB
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GOTO EXIT
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STOP
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END
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CVTTYPE = FIELD( TMP, " ", 2 )
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* Open UV.LOGS
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OPEN '', UV.LOGS.FILE.NAME TO UV.LOGS.FVAR ELSE
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ERROR = CANNOT.OPEN.UV.LOGS.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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OPENED.FLAG = @TRUE
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* Open DICT UV.LOGS
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OPEN 'DICT', UV.LOGS.FILE.NAME TO UV.LOGS.DICT.FVAR ELSE
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ERROR = CANNOT.OPEN.UV.LOGS.DICT.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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DICT.OPENED.FLAG = @TRUE
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* Lock UV.LOGS to protect us from other users
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READU LOG.NEXT FROM UV.LOGS.DICT.FVAR, "LOG.NEXT" ELSE
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ERROR = UV.LOGS.DICT.IS.LOCKED.ERROR
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GOSUB ERROR.SUB
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GOTO EXIT
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END
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SEQUENCE.NUMBER = LOG.NEXT<2> - 1
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DICT.LOCKED.FLAG = @TRUE
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RETURN
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*=============
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CHECK.LOGFILE:
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*=============
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* Open the After-Image logfile
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FILENAME = AL.PREFIX : SEQUENCE.NUMBER
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* Determine state of the file
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AI.REC = ""
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READ AI.REC FROM UV.LOGS.FVAR, SEQUENCE.NUMBER ELSE
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EOF = 1
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END
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IF (EOF = 1) THEN
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RETURN
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END
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FILE.STATE = AI.REC< AIF.STATUS >
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* If file state not EMPTY, error
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IF FILE.STATE # ALF$RELEASE THEN
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* Changing From Raw to Unix Files
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IF (CVTTYPE = "1") THEN
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ERROR = FAILED.CHANGEOVER.ERROR
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PRINT FAILED.CHANGEOVER.ERROR
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GOTO EXIT
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END
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ELSE
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* Changing From Unix files to Raw
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ERROR = FAILED.CHANGEFLOVER.ERROR
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PRINT FAILED.CHANGEFLOVER.ERROR
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GOTO EXIT
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END
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END
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RETURN
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*=========
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ERROR.SUB:
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*=========
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* Error handling routine
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PRINT @SYS.BELL
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* Set return code and report the error
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BEGIN CASE
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CASE ERROR = NOT.ADMINISTRATOR.ERROR
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PRINT 'Error: Only the UniVerse Administrator can DELETE log files.'
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CASE ERROR = CANNOT.OPEN.UV.LOGS.ERROR
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PRINT 'Error: Cannot open UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = UV.LOGS.IS.LOCKED.ERROR
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PRINT 'Error: The UV.LOGS file is currently locked by another user.'
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CASE ERROR = UV.LOGS.DICT.IS.LOCKED.ERROR
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PRINT 'Error: The DICT UV.LOGS file is currently locked by another user.'
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CASE ERROR = CANNOT.READ.UV.LOGS.ERROR
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PRINT 'Error: Reading from UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = CANNOT.WRITE.UV.LOGS.ERROR
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PRINT 'Error: Writing to UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = CANNOT.WRITE.UV.LOGS.DICT.ERROR
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PRINT 'Error: Writing to DICT UV.LOGS file, Status = ' : STATUS()
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CASE ERROR = CANNOT.DELETE.CURR.LOGFILE.ERROR
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PRINT 'Error: Cannot DELETE CURRENT log file "' : FILENAME : '".'
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CASE ERROR = FILE.STATE.NOT.EMPTY.ERROR
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PRINT 'Error: Log file "' : FILENAME : '" is not empty."'
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CASE ERROR = LOGFILE.NOT.FULL.ERROR
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PRINT 'Error: Log file "' : FILENAME : '" is not full."'
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CASE ERROR = INVALID.UV.LOGS.DIR.ERROR
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PRINT 'Error: No Logging Directory Exists.'
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CASE ERROR = INCORRECT.NUM.ARGS
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PRINT 'Error: Incorrect number of arguments'
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END CASE
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RETURN
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*---------------
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EXIT:
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*---------------
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* RELEASE the lock and close UV.LOGS
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IF DICT.LOCKED.FLAG THEN
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RELEASE UV.LOGS.DICT.FVAR
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END
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IF OPENED.FLAG THEN
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CLOSE UV.LOGS.FVAR
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END
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IF DICT.OPENED.FLAG THEN
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CLOSE UV.LOGS.DICT.FVAR
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END
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STOP
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END
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* END-CODE
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