| 1 | #! /bin/bash |
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| 2 | # |
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| 3 | # PyKota : Print Quotas for CUPS |
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| 4 | # |
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| 5 | # (c) 2003-2009 Jerome Alet <alet@librelogiciel.com> |
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| 6 | # This program is free software: you can redistribute it and/or modify |
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| 7 | # it under the terms of the GNU General Public License as published by |
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| 8 | # the Free Software Foundation, either version 3 of the License, or |
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| 9 | # (at your option) any later version. |
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| 10 | # |
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| 11 | # This program is distributed in the hope that it will be useful, |
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| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | # GNU General Public License for more details. |
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| 15 | # |
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| 16 | # You should have received a copy of the GNU General Public License |
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| 17 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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| 18 | # |
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| 19 | # $Id$ |
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| 20 | # |
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| 21 | # First version by Matt Hyclak & Jerome Alet |
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| 22 | # Rewritten from scratch, and contributed to PyKota, by Christian Andreetta |
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| 23 | # and Paolo Nobili |
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| 24 | |
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| 25 | # If ending phase, after the job has been fully transmitted to the printer |
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| 26 | # we have to wait for the printer being in printing mode before checking |
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| 27 | # if it is idle, otherwise we could have problems with slow printers. |
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| 28 | #-------------------------------------------------------------------------- |
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| 29 | PATH=$PATH:/bin:/usr/bin:/usr/local/bin:/opt/bin:/sbin:/usr/sbin |
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| 30 | #-------------------------------------------------------------------------- |
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| 31 | LOG_FILE=/var/log/pykota-waitprinter-snmpread.log |
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| 32 | LOG_DO_FLAG="" #set different from null for file logging |
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| 33 | IDLE_WAIT_NUM=3 #number of snmp reads to consider the printer _really_ idle |
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| 34 | SNMP_DELAY=2 #seconds between snmp reads |
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| 35 | #-------------------------------------------------------------------------- |
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| 36 | # END OF CONF |
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| 37 | #-------------------------------------------------------------------------- |
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| 38 | function log_msg() { |
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| 39 | if [ -n "${LOG_DO_FLAG}" ]; then |
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| 40 | echo `date` "$*" >> ${LOG_FILE} |
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| 41 | fi |
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| 42 | } |
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| 43 | #-------------------------------------------------------------------------- |
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| 44 | function printer_status_get() { |
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| 45 | local printer="$1" |
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| 46 | local comm="$2" |
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| 47 | local version="$3" |
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| 48 | PRINTER_STATUS=`snmpget -v${version} -c ${comm} -Ov ${printer} HOST-RESOURCES-MIB::hrPrinterStatus.1` |
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| 49 | } |
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| 50 | #-------------------------------------------------------------------------- |
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| 51 | function printing_wait() { |
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| 52 | local printer="$1" |
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| 53 | local comm="$2" |
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| 54 | local version="$3" |
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| 55 | log_msg "CYCLE: printing_wait" |
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| 56 | while [ 1 ]; do |
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| 57 | printer_status_get "${printer}" "${comm}" "${version}" |
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| 58 | log_msg "${PRINTER_STATUS}" |
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| 59 | echo "${PRINTER_STATUS}" | grep -iE '(printing)|(idle)' >/dev/null && break |
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| 60 | sleep ${SNMP_DELAY} |
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| 61 | done |
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| 62 | } |
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| 63 | #-------------------------------------------------------------------------- |
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| 64 | function idle_wait() { |
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| 65 | local printer="$1" idle_num=0 idle_flag=0 |
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| 66 | local comm="$2" |
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| 67 | local version="$3" |
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| 68 | log_msg "CYCLE: idle_wait" |
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| 69 | while [ ${idle_num} -lt ${IDLE_WAIT_NUM} ]; do |
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| 70 | printer_status_get "${printer}" "${comm}" "${version}" |
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| 71 | log_msg "${PRINTER_STATUS}" |
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| 72 | idle_flag=0 |
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| 73 | echo "${PRINTER_STATUS}" | grep -iE '(idle)' >/dev/null && idle_flag=1 |
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| 74 | if [ ${idle_flag} -gt 0 ]; then |
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| 75 | idle_num=$((idle_num+1)) |
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| 76 | else |
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| 77 | idle_num=0 |
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| 78 | fi |
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| 79 | sleep ${SNMP_DELAY} |
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| 80 | done |
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| 81 | } |
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| 82 | #-------------------------------------------------------------------------- |
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| 83 | function main() { |
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| 84 | local printer="$1" |
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| 85 | local comm="$2" |
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| 86 | local version="$3" |
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| 87 | if [ x${comm} == "x" ]; then |
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| 88 | comm="public" |
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| 89 | fi |
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| 90 | if [ x${version} == "x" ]; then |
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| 91 | version="1" |
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| 92 | fi |
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| 93 | log_msg "BEGIN" |
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| 94 | ##log_msg "`ls -la /var/spool/{cups,samba}`" |
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| 95 | log_msg "Pykota Phase: ${PYKOTAPHASE}" |
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| 96 | if [ x$PYKOTASTATUS != "xCANCELLED" ] && [ x$PYKOTAACTION = "xALLOW" ] && [ x$PYKOTAPHASE = "xAFTER" ] ; then |
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| 97 | printing_wait "${printer}" "${comm}" "${version}" |
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| 98 | fi |
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| 99 | idle_wait "${printer}" "${comm}" "${version}" #in any case |
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| 100 | ##log_msg "`ls -la /var/spool/{cups,samba}`" |
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| 101 | log_msg "END" |
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| 102 | } |
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| 103 | #========================================================================== |
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| 104 | # MAIN |
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| 105 | #========================================================================== |
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| 106 | PRINTER_STATUS="" |
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| 107 | main "$1" "$2" "$3" |
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| 108 | exit $? |
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