401 lines
9.4 KiB
Plaintext
401 lines
9.4 KiB
Plaintext
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******************************************************************************
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*
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* System Admin Transaction Logging - Save Files from Raw device
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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* This is unpublished proprietary source code of Ardent Software Inc.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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* 06/26/98 23161 RGA Module created
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*
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*******************************************************************************
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$OPTIONS INFORMATION
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id = "%W%"
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*******************************************************************************
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$INCLUDE UNIVERSE.INCLUDE TLOG.H
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$INCLUDE UNIVERSE.INCLUDE FILENAMES.H
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$INCLUDE UNIVERSE.INCLUDE MACHINE.NAME
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$INCLUDE UNIVERSE.INCLUDE VMADMCMN.H
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$IFDEF UV.MSWIN
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$DEFINE COMMAND.SEPARATOR "&&"
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$ELSE
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$DEFINE COMMAND.SEPARATOR ";"
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$ENDIF
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EQU FULLSTATE TO 'F'
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SKIPREC = 0
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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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Open 'VOC' To VOC Else
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@SYSTEM.RETURN.CODE = -1
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Return
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End
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* Look for VMADMDBG record in VOC. If it's present, switch DEBUGGING on
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Read Rec From VOC, "VMADMDBG" Then
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DEBUGGING = True
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End Else
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DEBUGGING = False
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End
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If DEBUGGING Then
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DebugFile = "./Debug_":@UserNo
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OpenSeq DebugFile To DEBUGFL Else
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Create DEBUGFL Else
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DEBUGGING = False
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End
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Seek DEBUGFL, -1, 2 Else Null
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LogText = Oconv(Date(), "D2/"):" ":Oconv(Time(), "MTS")
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GoSub WriteDbg
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End
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End
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If DEBUGGING Then
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LogText = "Initialising in LOGRAW.SAVE.B"
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GoSub WriteDbg
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End
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TMP = TRIM( @SENTENCE )
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@SYSTEM.RETURN.CODE = 0
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CNT = COUNT( TMP, " " )
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IF ( CNT < 2 OR CNT > 6 ) THEN
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PRINT "Error: Incorrect number of arguments"
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@SYSTEM.RETURN.CODE = -1
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END
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FirstLog = FIELD( TMP, " ", 2 )
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LastLog = FIELD( TMP, " ", 3 )
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PATH = FIELD( TMP, " ", 4 )
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RAWPATH = FIELD( TMP, " ", 5 )
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DELDSKLOGS = FIELD( TMP, " ",7)
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If DEBUGGING Then
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LogText = "Fl = ":FirstLog:" Ll = ":LastLog:" Path = ":PATH:" RAWP = ":RAWPATH:" DELDSKLOGS = ":DELDSKLOGS
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GoSub WriteDbg
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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 an error
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* is sent back
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FOR I = 1 TO SEQUENCE.NUMBER
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GOSUB CHECK.LOGFILE
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IF SKIPREC <> 0 Then
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CONTINUE
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END
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IF EOF <> 0 THEN
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IF I < INT(SEQUENCE.NUMBER) THEN
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CONTINUE
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END
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END
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*
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* This will create normal log files in the PATH directory
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*
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Exec.uvfile = OS.EXEC:" '":UV.BIN:"/UVtlconvert ":RAWPATH:" ":FILE.OFFSET:" ":PATH:"'"
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If DEBUGGING Then
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LogText = "Exec.uvfile = ":Exec.uvfile
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GoSub WriteDbg
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End
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EXECUTE Exec.uvfile CAPTURING trashcan
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If DEBUGGING Then
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LogText = "trashcan = ":trashcan
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GoSub WriteDbg
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End
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*
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* Only if all files are converted will
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* the rest proceed
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*
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IF NOT(INDEX(trashcan, "1", 1)) THEN
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@SYSTEM.RETURN.CODE = -1
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GOTO EXIT
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END
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NEXT I
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IF PATH = "" THEN
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* Use current logging directory
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RECIO( PATH, RECIO$PATH )
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END
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* Check that the specified directory exists
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OPENPATH PATH TO FVAR THEN
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IF STATUS() <> 19 AND STATUS() <> 1 THEN
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PRINT "Error: ":PATH:" is not a directory."
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@SYSTEM.RETURN.CODE = -1
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END
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END
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ELSE
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PRINT "Error: Unable to open ":PATH
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@SYSTEM.RETURN.CODE = -1
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END
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CLOSE FVAR
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Device = FIELD( TMP, " ", 6 )
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IF Device = "" THEN
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* use MT0
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Device = "MT0"
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END
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* If Device is the id of a record in the &DEVICE& file then it is a
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* Universe device name otherwise its is an OS file name which on UNIX
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* could be an OS tape device name.
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OPEN "","&DEVICE&" TO FVAR ELSE
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PRINT "Error: Unable to open &DEVICE& file."
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@SYSTEM.RETURN.CODE = -1
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END
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READV REC FROM FVAR,Device,0 ELSE
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Filename = Device
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Device = ""
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END
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CLOSE FVAR
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* Generate a list of log file names to save.
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list = ""
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FOR i = FirstLog TO LastLog
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list := " lg":i
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NEXT i
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IF @SYSTEM.RETURN.CODE = 0 AND list <> "" THEN
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* Get settings for terminal so that we can restore them after
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* uvbackup has completed.
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TTYGET tty.settings ELSE NULL
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* cd to logging directory and save using file name list so that the log files
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* can be easily restored somewhere else.
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* Blocksize of 512 is temporary workaround for Gtar 18540
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Exec.Sentence = OS.EXEC:" 'cd ":PATH:COMMAND.SEPARATOR:UV.ROOT:"/bin/uvbackup -v -b 512 -f":list
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IF Device <> "" THEN
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Exec.Sentence := " -t ":Device
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END
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ELSE
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Exec.Sentence := " >":Filename
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END
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Exec.Sentence := "'"
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EXECUTE Exec.Sentence
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TTYSET tty.settings ELSE NULL
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END
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IF DELDSKLOGS <> "" THEN
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Exec.Sentence = ""
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Exec.Sentence = OS.EXEC:" 'rm ":PATH:"lg* "
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Exec.Sentence := "'"
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EXECUTE Exec.Sentence CAPTURING trashcan
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If DEBUGGING Then
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LogText = "trashcan = ":trashcan
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GoSub WriteDbg
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End
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END
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RETURN
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**********************************************************************
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* WriteDbg - log debug text to file
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* Expects debug text in LogText variable
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**********************************************************************
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WriteDbg:
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WriteSeq Change(LogText, @fm, Char(10)) On DEBUGFL Else Null
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Seek DEBUGFL, 0, 2 Else Null
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Return
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*====
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INIT:
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*====
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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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EOF = 0
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FILE.STATE = ""
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FILE.OFFSET = ""
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FILE.SIZE = ""
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*
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* The subscript I is the key to fetching
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* the records from the UV_LOGS file
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*
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READ AI.REC FROM UV.LOGS.FVAR, I 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 DEBUGGING Then
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LogText = "FILE.STATE = ":FILE.STATE
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GoSub WriteDbg
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End
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* If file state not EMPTY, error
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SKIPREC = 0
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IF FILE.STATE # FULLSTATE THEN
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* only process FULL logs
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* go on to the next record
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SKIPREC = 1
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RETURN
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END
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FILE.OFFSET = AI.REC< AIF.OFFSET >
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FILE.SIZE = AI.REC< AIF.SIZE >
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If DEBUGGING Then
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LogText = "FILE.SIZE = ":FILE.SIZE
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GoSub WriteDbg
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LogText = "FILE.OFFSET = ":FILE.OFFSET
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GoSub WriteDbg
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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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