tldm-universe/Ardent/UV/APP.PROGS/LOGRAW.SAVE.B

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******************************************************************************
*
* System Admin Transaction Logging - Save Files from Raw device
*
* Module %M% Version %I% Date %H%
*
* (c) Copyright 1998 Ardent Software Inc. - All Rights Reserved
* This is unpublished proprietary source code of Ardent Software Inc.
* The copyright notice above does not evidence any actual or intended
* publication of such source code.
*
*******************************************************************************
*
* Maintenence log - insert most recent change descriptions at top
*
* Date.... GTAR# WHO Description........................................
* 10/14/98 23801 SAP Change copyrights.
* 06/26/98 23161 RGA Module created
*
*******************************************************************************
$OPTIONS INFORMATION
id = "%W%"
*******************************************************************************
$INCLUDE UNIVERSE.INCLUDE TLOG.H
$INCLUDE UNIVERSE.INCLUDE FILENAMES.H
$INCLUDE UNIVERSE.INCLUDE MACHINE.NAME
$INCLUDE UNIVERSE.INCLUDE VMADMCMN.H
$IFDEF UV.MSWIN
$DEFINE COMMAND.SEPARATOR "&&"
$ELSE
$DEFINE COMMAND.SEPARATOR ";"
$ENDIF
EQU FULLSTATE TO 'F'
SKIPREC = 0
* Initialize
OPENED.FLAG = @FALSE
DICT.OPENED.FLAG = @FALSE
DICT.LOCKED.FLAG = @FALSE
Open 'VOC' To VOC Else
@SYSTEM.RETURN.CODE = -1
Return
End
* Look for VMADMDBG record in VOC. If it's present, switch DEBUGGING on
Read Rec From VOC, "VMADMDBG" Then
DEBUGGING = True
End Else
DEBUGGING = False
End
If DEBUGGING Then
DebugFile = "./Debug_":@UserNo
OpenSeq DebugFile To DEBUGFL Else
Create DEBUGFL Else
DEBUGGING = False
End
Seek DEBUGFL, -1, 2 Else Null
LogText = Oconv(Date(), "D2/"):" ":Oconv(Time(), "MTS")
GoSub WriteDbg
End
End
If DEBUGGING Then
LogText = "Initialising in LOGRAW.SAVE.B"
GoSub WriteDbg
End
TMP = TRIM( @SENTENCE )
@SYSTEM.RETURN.CODE = 0
CNT = COUNT( TMP, " " )
IF ( CNT < 2 OR CNT > 6 ) THEN
PRINT "Error: Incorrect number of arguments"
@SYSTEM.RETURN.CODE = -1
END
FirstLog = FIELD( TMP, " ", 2 )
LastLog = FIELD( TMP, " ", 3 )
PATH = FIELD( TMP, " ", 4 )
RAWPATH = FIELD( TMP, " ", 5 )
DELDSKLOGS = FIELD( TMP, " ",7)
If DEBUGGING Then
LogText = "Fl = ":FirstLog:" Ll = ":LastLog:" Path = ":PATH:" RAWP = ":RAWPATH:" DELDSKLOGS = ":DELDSKLOGS
GoSub WriteDbg
End
* First, open UV_LOGS to check for any logs which have status
* other than released. If so, then we disallow this operation
* and return to user
* Do some initialization
GOSUB INIT
* process list of log file numbers - we have at least one
* If we drop out because SEQUENCE.NUMBER is zero an error
* is sent back
FOR I = 1 TO SEQUENCE.NUMBER
GOSUB CHECK.LOGFILE
IF SKIPREC <> 0 Then
CONTINUE
END
IF EOF <> 0 THEN
IF I < INT(SEQUENCE.NUMBER) THEN
CONTINUE
END
END
*
* This will create normal log files in the PATH directory
*
Exec.uvfile = OS.EXEC:" '":UV.BIN:"/UVtlconvert ":RAWPATH:" ":FILE.OFFSET:" ":PATH:"'"
If DEBUGGING Then
LogText = "Exec.uvfile = ":Exec.uvfile
GoSub WriteDbg
End
EXECUTE Exec.uvfile CAPTURING trashcan
If DEBUGGING Then
LogText = "trashcan = ":trashcan
GoSub WriteDbg
End
*
* Only if all files are converted will
* the rest proceed
*
IF NOT(INDEX(trashcan, "1", 1)) THEN
@SYSTEM.RETURN.CODE = -1
GOTO EXIT
END
NEXT I
IF PATH = "" THEN
* Use current logging directory
RECIO( PATH, RECIO$PATH )
END
* Check that the specified directory exists
OPENPATH PATH TO FVAR THEN
IF STATUS() <> 19 AND STATUS() <> 1 THEN
PRINT "Error: ":PATH:" is not a directory."
@SYSTEM.RETURN.CODE = -1
END
END
ELSE
PRINT "Error: Unable to open ":PATH
@SYSTEM.RETURN.CODE = -1
END
CLOSE FVAR
Device = FIELD( TMP, " ", 6 )
IF Device = "" THEN
* use MT0
Device = "MT0"
END
* If Device is the id of a record in the &DEVICE& file then it is a
* Universe device name otherwise its is an OS file name which on UNIX
* could be an OS tape device name.
OPEN "","&DEVICE&" TO FVAR ELSE
PRINT "Error: Unable to open &DEVICE& file."
@SYSTEM.RETURN.CODE = -1
END
READV REC FROM FVAR,Device,0 ELSE
Filename = Device
Device = ""
END
CLOSE FVAR
* Generate a list of log file names to save.
list = ""
FOR i = FirstLog TO LastLog
list := " lg":i
NEXT i
IF @SYSTEM.RETURN.CODE = 0 AND list <> "" THEN
* Get settings for terminal so that we can restore them after
* uvbackup has completed.
TTYGET tty.settings ELSE NULL
* cd to logging directory and save using file name list so that the log files
* can be easily restored somewhere else.
* Blocksize of 512 is temporary workaround for Gtar 18540
Exec.Sentence = OS.EXEC:" 'cd ":PATH:COMMAND.SEPARATOR:UV.ROOT:"/bin/uvbackup -v -b 512 -f":list
IF Device <> "" THEN
Exec.Sentence := " -t ":Device
END
ELSE
Exec.Sentence := " >":Filename
END
Exec.Sentence := "'"
EXECUTE Exec.Sentence
TTYSET tty.settings ELSE NULL
END
IF DELDSKLOGS <> "" THEN
Exec.Sentence = ""
Exec.Sentence = OS.EXEC:" 'rm ":PATH:"lg* "
Exec.Sentence := "'"
EXECUTE Exec.Sentence CAPTURING trashcan
If DEBUGGING Then
LogText = "trashcan = ":trashcan
GoSub WriteDbg
End
END
RETURN
**********************************************************************
* WriteDbg - log debug text to file
* Expects debug text in LogText variable
**********************************************************************
WriteDbg:
WriteSeq Change(LogText, @fm, Char(10)) On DEBUGFL Else Null
Seek DEBUGFL, 0, 2 Else Null
Return
*====
INIT:
*====
* Open UV.LOGS
OPEN '', UV.LOGS.FILE.NAME TO UV.LOGS.FVAR ELSE
ERROR = CANNOT.OPEN.UV.LOGS.ERROR
GOSUB ERROR.SUB
GOTO EXIT
END
OPENED.FLAG = @TRUE
* Open DICT UV.LOGS
OPEN 'DICT', UV.LOGS.FILE.NAME TO UV.LOGS.DICT.FVAR ELSE
ERROR = CANNOT.OPEN.UV.LOGS.DICT.ERROR
GOSUB ERROR.SUB
GOTO EXIT
END
DICT.OPENED.FLAG = @TRUE
* Lock UV.LOGS to protect us from other users
READU LOG.NEXT FROM UV.LOGS.DICT.FVAR, "LOG.NEXT" ELSE
ERROR = UV.LOGS.DICT.IS.LOCKED.ERROR
GOSUB ERROR.SUB
GOTO EXIT
END
SEQUENCE.NUMBER = LOG.NEXT<2> - 1
DICT.LOCKED.FLAG = @TRUE
RETURN
*=============
CHECK.LOGFILE:
*=============
* Open the After-Image logfile
FILENAME = AL.PREFIX : SEQUENCE.NUMBER
* Determine state of the file
AI.REC = ""
EOF = 0
FILE.STATE = ""
FILE.OFFSET = ""
FILE.SIZE = ""
*
* The subscript I is the key to fetching
* the records from the UV_LOGS file
*
READ AI.REC FROM UV.LOGS.FVAR, I ELSE
EOF = 1
END
IF (EOF = 1) THEN
RETURN
END
FILE.STATE = AI.REC< AIF.STATUS >
If DEBUGGING Then
LogText = "FILE.STATE = ":FILE.STATE
GoSub WriteDbg
End
* If file state not EMPTY, error
SKIPREC = 0
IF FILE.STATE # FULLSTATE THEN
* only process FULL logs
* go on to the next record
SKIPREC = 1
RETURN
END
FILE.OFFSET = AI.REC< AIF.OFFSET >
FILE.SIZE = AI.REC< AIF.SIZE >
If DEBUGGING Then
LogText = "FILE.SIZE = ":FILE.SIZE
GoSub WriteDbg
LogText = "FILE.OFFSET = ":FILE.OFFSET
GoSub WriteDbg
End
RETURN
*=========
ERROR.SUB:
*=========
* Error handling routine
PRINT @SYS.BELL
* Set return code and report the error
BEGIN CASE
CASE ERROR = NOT.ADMINISTRATOR.ERROR
PRINT 'Error: Only the UniVerse Administrator can DELETE log files.'
CASE ERROR = CANNOT.OPEN.UV.LOGS.ERROR
PRINT 'Error: Cannot open UV.LOGS file, Status = ' : STATUS()
CASE ERROR = UV.LOGS.IS.LOCKED.ERROR
PRINT 'Error: The UV.LOGS file is currently locked by another user.'
CASE ERROR = UV.LOGS.DICT.IS.LOCKED.ERROR
PRINT 'Error: The DICT UV.LOGS file is currently locked by another user.'
CASE ERROR = CANNOT.READ.UV.LOGS.ERROR
PRINT 'Error: Reading from UV.LOGS file, Status = ' : STATUS()
CASE ERROR = CANNOT.WRITE.UV.LOGS.ERROR
PRINT 'Error: Writing to UV.LOGS file, Status = ' : STATUS()
CASE ERROR = CANNOT.WRITE.UV.LOGS.DICT.ERROR
PRINT 'Error: Writing to DICT UV.LOGS file, Status = ' : STATUS()
CASE ERROR = CANNOT.DELETE.CURR.LOGFILE.ERROR
PRINT 'Error: Cannot DELETE CURRENT log file "' : FILENAME : '".'
CASE ERROR = FILE.STATE.NOT.EMPTY.ERROR
PRINT 'Error: Log file "' : FILENAME : '" is not empty."'
CASE ERROR = LOGFILE.NOT.FULL.ERROR
PRINT 'Error: Log file "' : FILENAME : '" is not full."'
CASE ERROR = INVALID.UV.LOGS.DIR.ERROR
PRINT 'Error: No Logging Directory Exists.'
CASE ERROR = INCORRECT.NUM.ARGS
PRINT 'Error: Incorrect number of arguments'
END CASE
RETURN
*---------------
EXIT:
*---------------
* RELEASE the lock and close UV.LOGS
IF DICT.LOCKED.FLAG THEN
RELEASE UV.LOGS.DICT.FVAR
END
IF OPENED.FLAG THEN
CLOSE UV.LOGS.FVAR
END
IF DICT.OPENED.FLAG THEN
CLOSE UV.LOGS.DICT.FVAR
END
STOP
END
* END-CODE