+++ /dev/null
-#!@SHELL@
-#
-# Amanda, The Advanced Maryland Automatic Network Disk Archiver
-# Copyright (c) 1991-1998 University of Maryland at College Park
-# All Rights Reserved.
-#
-# Permission to use, copy, modify, distribute, and sell this software and its
-# documentation for any purpose is hereby granted without fee, provided that
-# the above copyright notice appear in all copies and that both that
-# copyright notice and this permission notice appear in supporting
-# documentation, and that the name of U.M. not be used in advertising or
-# publicity pertaining to distribution of the software without specific,
-# written prior permission. U.M. makes no representations about the
-# suitability of this software for any purpose. It is provided "as is"
-# without express or implied warranty.
-#
-# U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
-# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
-# BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
-# OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-# CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-#
-# Author: James da Silva, Systems Design and Analysis Group
-# Computer Science Department
-# University of Maryland at College Park
-#
-
-#
-# chg-chs.sh - chs tape changer script
-#
-
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-sbindir=@sbindir@
-libexecdir=@libexecdir@
-
-pname="chg-chs"
-
-PATH=$sbindir:$libexecdir:/usr/bin:/bin:/usr/sbin:/sbin:/usr/ucb
-export PATH
-
-if [ -d "@AMANDA_DBGDIR@" ]; then
- logfile=@AMANDA_DBGDIR@/changer.debug
-else
- logfile=/dev/null
-fi
-
-CHS=@CHS@
-
-if [ -x $sbindir/ammt$SUF ]; then
- MT=$sbindir/ammt$SUF
- MTF=-f
-elif [ -x "@MT@" ]; then
- MT=@MT@
- MTF=@MT_FILE_FLAG@
-else
- answer="<none> $myname: mt program not found"
- code=1
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-echo MT "->" $MT $MTF >> $logfile
-
-USE_VERSION_SUFFIXES="@USE_VERSION_SUFFIXES@"
-if test "$USE_VERSION_SUFFIXES" = "yes"; then
- SUF="-@VERSION@"
-else
- SUF=
-fi
-
-ourconf=`amgetconf$SUF changerfile`
-changerdev=`amgetconf$SUF changerdev`
-if test -n "$changerdev" && test x"$changerdev" != x/dev/null; then
- CHS="$CHS -f$changerdev"
-fi
-
-# read in some config parameters
-
-if [ \! -f $ourconf ]; then
- answer="<none> $pname: $ourconf does not exist"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-firstslot=`awk '$1 == "firstslot" {print $2}' $ourconf 2>/dev/null`
-if [ "$firstslot" = "" ]; then
- answer="<none> $pname: firstslot not specified in $ourconf"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-lastslot=`awk '$1 == "lastslot" {print $2}' $ourconf 2>/dev/null`
-if [ "$lastslot" = "" ]; then
- answer="<none> $pname: lastslot not specified in $ourconf"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-nslots=`expr $lastslot - $firstslot + 1`
-
-gravity=`awk '$1 == "gravity" {print $2}' $ourconf 2>/dev/null`
-if [ "$gravity" = "" ]; then
- answer="<none> $pname: gravity not specified in $ourconf"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-needeject=`awk '$1 == "needeject" {print $2}' $ourconf 2>/dev/null`
-if [ "$needeject" = "" ]; then
- answer="<none> $pname: needeject not specified in $ourconf"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-multieject=`awk '$1 == "multieject" {print $2}' $ourconf 2>/dev/null`
-if [ "$multieject" = "" ]; then
- echo "Note -> multieject not specified in $ourconf" >> $logfile
- multieject=0
-fi
-
-ejectdelay=`awk '$1 == "ejectdelay" {print $2}' $ourconf 2>/dev/null`
-if [ "$ejectdelay" = "" ]; then
- echo "Note -> ejectdelay not specified in $ourconf" >> $logfile
- ejectdelay=0
-fi
-
-ourstate=`awk '$1 == "statefile" {print $2}' $ourconf 2>/dev/null`
-if [ "$ourstate" = "" ]; then
- answer="<none> $pname: statefile not specified in $ourconf"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-# read in state: only curslot and curloaded at the present time
-
-curslot=`awk '$1 == "curslot" {print $2}' $ourstate 2>/dev/null`
-if [ "$curslot" = "" ]; then
- curslot=$firstslot
-fi
-
-curloaded=`awk '$1 == "curloaded" {print $2}' $ourstate 2>/dev/null`
-if [ "$curloaded" = "" ]; then
- curloaded=0
-fi
-
-
-# process the command-line
-
-# control vars to avoid code duplication: not all shells have functions!
-usage=0
-checkgravity=0
-ejectslot=0
-loadslot=0
-slotempty=0
-
-if [ $# -ge 1 ]; then command=$1; else command="-usage"; fi
-
-case "$command" in
-
--info) # return basic information about changer
-
- backwards=`expr 1 - $gravity`
- answer="$curslot $nslots $backwards"
- code=0
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- ;;
-
--reset) # reset changer
-
- checkgravity=0
- loadslot=1
- newslot=$firstslot
-
- # XXX put changer-specific reset here, if applicable
- ;;
-
--eject) # eject tape if loaded
-
- checkgravity=0
- loadslot=0
- newslot=$curslot
- ejectslot=1
-
- if [ $curloaded -eq 0 ]; then
- answer="$curslot $pname: slot already empty"
- code=1
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- fi
- ;;
-
--slot) # change to slot
-
- checkgravity=1
- loadslot=1
-
- slotparm=$2
- case "$slotparm" in
- [0-9]*)
- newslot=$slotparm
- if [ \( $newslot -gt $lastslot \) -o \
- \( $newslot -lt $firstslot \) ]; then
- answer="$newslot $pname: no slot $newslot: legal range is $firstslot ... $lastslot"
- code=1
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- fi
- ;;
- current)
- newslot=$curslot
- ;;
- first)
- newslot=$firstslot
- ;;
- last)
- newslot=$lastslot
- ;;
- next|advance)
- newslot=`expr $curslot + 1`
- if [ $newslot -gt $lastslot ]; then
- newslot=$firstslot
- fi
- if [ $slotparm = advance ]; then
- loadslot=0
- fi
- ;;
- prev)
- newslot=`expr $curslot - 1`
- if [ $newslot -lt $firstslot ]; then
- newslot=$lastslot
- fi
- ;;
- *)
- answer="<none> $pname: bad slot name \"$slotparm\""
- code=1
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- ;;
- esac
- ;;
-*)
- usage=1
- ;;
-esac
-
-
-if [ $usage -eq 1 ]; then
- answer="<none> usage: $pname {-reset | -slot [<slot-number>|current|next|prev|advance]}"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-
-# check for legal move
-
-if [ \( $checkgravity -eq 1 \) -a \( $gravity -ne 0 \) ]; then
- if [ \( $newslot -lt $curslot \) -o \( "$slotparm" = "prev" \) ]
- then
- answer="$newslot $pname: cannot go backwards in gravity stacker"
- code=1
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- fi
-fi
-
-# get tape device name
-
-device=`awk '$1 == "slot" && $2 == '$newslot' {print $3}' $ourconf 2>/dev/null`
-if [ "$device" = "" ]; then
- answer="$newslot $pname: slot $newslot device not specified in $ourconf"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-# check if load needs an eject first
-
-if [ \( $needeject -eq 1 \) -a \( $loadslot -eq 1 \) -a \
- \( $curloaded -eq 1 \) -a \( $newslot -ne $curslot \) ]; then
- ejectslot=1
-fi
-
-
-if [ $ejectslot -eq 1 ]; then # eject the tape from the drive
-
- # XXX put changer-specific load command here, if applicable
-
- curloaded=0 # unless something goes wrong
- slotempty=0
-
- # generically, first check that the device is there
-
- if [ ! -c $device ]; then
- answer="$newslot $pname: $device: not a device file"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- fi
-
- # if multiple eject is required, do it now
- if [ $multieject -eq 1 ]; then
- loopslot=$curslot
- while [ $loopslot -lt $newslot ]; do
- $MT $MTF $device offline >/dev/null 2>&1
- if [ $? -ne 0 ]; then
- answer="$newslot $pname: $device: unable to change slot $loopslot"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- fi
- loopslot=`/usr/bin/expr $loopslot + 1`
- done
- fi
-
- # second, try to unload the device
- $MT $MTF $device offline >/dev/null 2>&1
- $CHS deselect -d1 -s$curslot >/dev/null 2>&1
- if [ $? -ne 0 ]; then
- #
- # XXX if the changer-specific eject command can distinguish
- # betweeen "slot empty" and more serious errors, return 1
- # for the first case, 2 for the second case. Generically,
- # we just presume an error signifies an empty slot.
- #
- #slotempty=1
- answer="<none> $pname: tape unload to slot $curslot failed"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- else
- sleep $ejectdelay
- fi
-fi
-
-if [ \( $loadslot -eq 1 \) -a \( \( $curloaded -ne 1 \) -o \( \( $curloaded -eq 1 \) -a \( $newslot -ne $curslot \) \) \) ]; then # load the tape from the slot
-
- # XXX put changer-specific load command here, if applicable
-
- curloaded=1 # unless something goes wrong
- slotempty=0
-
- # generically, first check that the device is there
-
- if [ ! -c $device ]; then
- answer="$newslot $pname: $device: not a device file"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- fi
-
- $CHS select -s$newslot -d1 >/dev/null 2>&1
- if [ $? -ne 0 ]; then
- answer="<none> $pname: tape load from slot $newslot failed"
- code=2
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
- fi
- sleep 60
-
- # second, try to rewind the device
- $MT $MTF $device rewind >/dev/null 2>&1
- if [ $? -ne 0 ]; then
- #
- # XXX if the changer-specific load command can distinguish
- # betweeen "slot empty" and more serious errors, return 1
- # for the first case, 2 for the second case. Generically,
- # we just presume an error signifies an empty slot.
- #
- slotempty=1
- curloaded=0
- fi
-fi
-
-# update state
-
-echo "# $pname state cache: DO NOT EDIT!" > $ourstate
-echo curslot $newslot >> $ourstate
-echo curloaded $curloaded >> $ourstate
-
-# return slot info
-
-if [ $slotempty -eq 1 ]; then
- answer="<nonw> $pname: $newslot slot is empty"
- code=1
- echo "Exit -> $answer" >> $logfile
- echo "$answer"
- exit $code
-fi
-
-if [ "$command" = -slot -a "$slotparm" = advance ]; then
- device=/dev/null
-fi
-
-answer="$newslot $device"
-code=0
-echo "Exit -> $answer" >> $logfile
-echo "$answer"
-exit $code
projects / debian / amanda / blobdiff