tools/sysvinit/squid.rc

   1 #!/bin/sh
   2 #
   3 ## Copyright (C) 1996-2017 The Squid Software Foundation and contributors
   4 ##
   5 ## Squid software is distributed under GPLv2+ license and includes
   6 ## contributions from numerous individuals and organizations.
   7 ## Please see the COPYING and CONTRIBUTORS files for details.
   8 ##
   9
  10 # Squid Internet Object Cache startup
  11 # AUTHOR: Markus Gyger <mgyger@itr.ch>
  12 # This is squid's startup file /sbin/init.d/squid or /etc/init.d/squid
  13
  14
  15 PATH=/usr/local/squid/sbin:/usr/sbin:/usr/bin:/sbin:/bin
  16 export PATH
  17
  18
  19 config()
  20 {
  21     # SGI IRIX 6.2
  22     if [ -f /sbin/chkconfig ]
  23     then if /sbin/chkconfig squid
  24          then if [ -f /var/config/squid.options ]
  25               then . /var/config/squid.options
  26               fi
  27               SQUID=1
  28          else SQUID=0
  29          fi
  30
  31     # Digital UNIX
  32     elif [ -f /usr/sbin/rcmgr ]
  33     then SQUID=`/usr/sbin/rcmgr get SQUID 0`
  34          SQUID_OPTIONS=`/usr/sbin/rcmgr get SQUID_OPTIONS "-s"`
  35          SQUID_RESPAWN=`/usr/sbin/rcmgr get SQUID_RESPAWN 1`
  36
  37     # HP-UX 10 / Linux
  38     elif [ -f /etc/rc.config ]
  39     then . /etc/rc.config
  40
  41     # SUN Solaris 2
  42     else SQUID=1
  43          SQUID_OPTIONS="-s"
  44          SQUID_RESPAWN=1
  45     fi
  46
  47     [ 1 = "${SQUID-}" ]
  48 }
  49
  50
  51 respawn()
  52 {
  53     trap "" 1
  54     fails=0
  55     while [ $fails -le 5 ]
  56     do  start=`date +%d%H%M%S`
  57         if "$@"
  58         then logger -t "$1" -p local4.notice \
  59                  "respawn[$$]: Exiting due to shutdown"
  60              return 0
  61         fi
  62         stop=`date +%d%H%M%S`
  63         time=`expr $stop - $start`
  64         [ "$time" -gt 10 ] && fails=0
  65         fails=`expr $fails + 1`
  66     done
  67
  68     logger -t "$1" -p local4.alert \
  69         "respawn[$$]: Exiting due to repeated, frequent failures"
  70     return 1
  71 }
  72
  73
  74 case $* in
  75 start_msg)
  76     echo "Start Squid Internet Object Cache"
  77     ;;
  78
  79 stop_msg)
  80     echo "Stopping Squid Internet Object Cache"
  81     ;;
  82
  83 start)
  84     config || exit 2  # Squid not enabled
  85
  86     if whence=`type squid 2>&1`
  87     then trap "" 1
  88          if [ 0 = "${SQUID_RESPAWN-}" ]
  89          then         squid ${SQUID_OPTIONS-} &
  90          else respawn squid ${SQUID_OPTIONS-} &
  91          fi
  92
  93     else echo "ERROR: $whence" >&2
  94          exit 1
  95     fi
  96     ;;
  97
  98 stop)
  99     config || exit 2  # Squid not enabled
 100
 101     squid ${SQUID_OPTIONS-} -k shutdown || exit 1
 102     ;;
 103
 104 reconf*|rotate|int*|debug|check|kill)
 105     config
 106
 107     squid ${SQUID_OPTIONS-} -k "$1"
 108     ;;
 109
 110 *)
 111     echo "usage: $0 {start|stop|reconfigure|rotate|interrupt|debug|check|kill}" >&2
 112     echo "    start        start squid" >&2
 113     echo "    stop         clean shutdown" >&2
 114     echo "    reconfigure  reread configuration files" >&2
 115     echo "    rotate       rotate log files" >&2
 116     echo "    interrupt    quick clean shutdown " >&2
 117     echo "    debug        toggle debug logging" >&2
 118     echo "    check        check for running squid" >&2
 119     echo "    kill         terminate squid by brute force" >&2
 120
 121     exit 1
 122     ;;
 123 esac
 124
 125 [ $? -eq 0 ]  # only 0 and 1 exit values allowed
 126 exit