+++ /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@"
-amlibexecdir="@amlibexecdir@"
-. "${amlibexecdir}/amanda-sh-lib.sh"
-
-pname="chg-chs"
-
-# add sbin and ucb dirs
-PATH="$PATH:/usr/sbin:/sbin:/usr/ucb"
-export PATH
-
-if [ -d "@AMANDA_DBGDIR@" ]; then
- logfile=@AMANDA_DBGDIR@/changer.debug
-else
- logfile=/dev/null
-fi
-
-CHS=@CHS@
-
-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 $ourconf ]; then
- answer=`_ '<none> %s: %s does not exist' "$pname" "$ourconf"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-fi
-
-firstslot=`awk '$1 == "firstslot" {print $2}' $ourconf 2>/dev/null`
-if [ "$firstslot" = "" ]; then
- answer=`_ '<none> %s: firstslot not specified in %s' "$pname" "$ourconf"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-fi
-
-lastslot=`awk '$1 == "lastslot" {print $2}' $ourconf 2>/dev/null`
-if [ "$lastslot" = "" ]; then
- answer=`_ '<none> %s: lastslot not specified in %s' "$pname" "$ourconf"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-fi
-
-nslots=`expr $lastslot - $firstslot + 1`
-
-gravity=`awk '$1 == "gravity" {print $2}' $ourconf 2>/dev/null`
-if [ "$gravity" = "" ]; then
- answer=`_ '<none> %s: gravity not specified in %s' "$pname" "$ourconf"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-fi
-
-needeject=`awk '$1 == "needeject" {print $2}' $ourconf 2>/dev/null`
-if [ "$needeject" = "" ]; then
- answer=`_ '<none> %s: needeject not specified in %s' "$pname" "$ourconf"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-fi
-
-multieject=`awk '$1 == "multieject" {print $2}' $ourconf 2>/dev/null`
-if [ "$multieject" = "" ]; then
- echo `_ 'Note -> multieject not specified in %s' "$ourconf"` >> $logfile
- multieject=0
-fi
-
-ejectdelay=`awk '$1 == "ejectdelay" {print $2}' $ourconf 2>/dev/null`
-if [ "$ejectdelay" = "" ]; then
- echo `_ 'Note -> ejectdelay not specified in %s' "$ourconf"` >> $logfile
- ejectdelay=0
-fi
-
-ourstate=`awk '$1 == "statefile" {print $2}' $ourconf 2>/dev/null`
-if [ "$ourstate" = "" ]; then
- answer=`_ '<none> %s: statefile not specified in %s' "$pname" "$ourconf"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-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"
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 0
- ;;
-
--reset) # reset changer
-
- checkgravity=0
- loadslot=1
- newslot=$firstslot
-
- # XXX put changer-specific reset here, if applicable
- ;;
-
--eject) # eject tape if loaded
-
- checkgravity=0
- loadslot=0
- newslot=$curslot
- ejectslot=1
-
- if [ $curloaded -eq 0 ]; then
- answer=`_ '%s %s: slot already empty' "$curslot" "$pname"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 1
- 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 =`_ '%s %s: no slot %s: legal range is %s ... %s' "$newslot" "$pname" "$newslot" "$firstslot" "$lastslot"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 1
- fi
- ;;
- current)
- newslot=$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> %s: bad slot name "%s"' "$pname" "$slotparm"`
- echo `_ 'Exit ->'` "$answer" >> $logfile
- echo $answer
- exit 1
- ;;
- esac
- ;;
-*)
- usage=1
- ;;
-esac
-
-
-if [ $usage -eq 1 ]; then
- answer=`_ '<none> usage: %s {-reset | -slot [<slot-number>|current|next|prev|advance]}' "$pname"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-fi
-
-
-# check for legal move
-
-if [ \( $checkgravity -eq 1 \) -a \( $gravity -ne 0 \) ]; then
- if [ \( $newslot -lt $curslot \) -o \( "$slotparm" = "prev" \) ]
- then
- answer=`_ '%s %s: cannot go backwards in gravity stacker' "$newslot" "$pname"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 1
- fi
-fi
-
-# get tape device name
-
-device=`awk '$1 == "slot" && $2 == '$newslot' {print $3}' $ourconf 2>/dev/null`
-if [ "$device" = "" ]; then
- answer=`_ '%s %s: slot %s device not specified in %s' "$newslot" "$pname" "$newslot" "$ourconf"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
-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 $device ]; then
- answer=`_ '%s %s: %s: not a device file' "$newslot" "$pname" "$device"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
- fi
-
- # if multiple eject is required, do it now
- if [ $multieject -eq 1 ]; then
- loopslot=$curslot
- while [ $loopslot -lt $newslot ]; do
- try_eject_device $device
- if [ $? -ne 0 ]; then
- answer=`_ '%s %s: %s: unable to change slot %s' "$newslot" "$pname" "$device" "$loopslot"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
- fi
- loopslot=`/usr/bin/expr $loopslot + 1`
- done
- fi
-
- # second, try to unload the device
- try_eject_device $device
- $CHS deselect -d1 -s$curslot >/dev/null 2>&1
- if [ $? -ne 0 ]; then
- #
- # XXX if the changer-specific eject command can distinguish
- # betweeen "slot empty" and more serious errors, return 1
- # for the first case, 2 for the second case. Generically,
- # we just presume an error signifies an empty slot.
- #
- #slotempty=1
- answer=`_ '<none> %s: tape unload to slot %s failed' "$pname" "$curslot"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
- 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 $device ]; then
- answer=`_ '%s %s: %s: not a device file' "$newslot" "$pname" "$device"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
- fi
-
- $CHS select -s$newslot -d1 >/dev/null 2>&1
- if [ $? -ne 0 ]; then
- answer=`_ '<none> %s: tape load from slot %s failed' "$pname" "$newslot"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 2
- fi
- sleep 60
-
- # second, try to rewind the device
- amdevcheck_status $device
- 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 [ $slotempty -eq 1 ]; then
- answer=`_ '<none> %s: %s slot is empty: %s' "$pname" "$newslot" "$amdevcheck_message"`
- echo `_ 'Exit ->'` $answer >> $logfile
- echo $answer
- exit 1
-fi
-
-if [ "$command" = -slot -a "$slotparm" = advance ]; then
- device=/dev/null
-fi
-
-answer="$newslot $device"
-echo `_ 'Exit ->'` $answer >> $logfile
-echo $answer
-exit 0
projects / debian / amanda / blobdiff