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-rw-r--r--config/squid/sqpmon.sh75
1 files changed, 75 insertions, 0 deletions
diff --git a/config/squid/sqpmon.sh b/config/squid/sqpmon.sh
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+#!/bin/sh
+# $Id$ */
+#
+# sqpmon.sh
+# Copyright (C) 2006 Scott Ullrich
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+if [ `pgrep -f "sqpmon.sh"|wc -l` -ge 1 ]; then
+ exit 0
+fi
+
+set -e
+
+LOOP_SLEEP=55
+
+if [ -f /var/run/squid_alarm ]; then
+ rm /var/run/squid_alarm
+fi
+
+# Sleep 5 seconds on startup not to mangle with existing boot scripts.
+sleep 5
+
+# Squid monitor 1.2
+while [ /bin/true ]; do
+ if [ ! -f /var/run/squid_alarm ]; then
+ NUM_PROCS=`ps auxw | grep "[s]quid -f"|awk '{print $2}'| wc -l | awk '{ print $1 }'`
+ if [ $NUM_PROCS -lt 1 ]; then
+ # squid is down
+ echo "Squid has exited. Reconfiguring filter." | \
+ logger -p daemon.info -i -t Squid_Alarm
+ echo "Attempting restart..." | logger -p daemon.info -i -t Squid_Alarm
+ /usr/local/etc/rc.d/squid.sh start
+ sleep 3
+ echo "Reconfiguring filter..." | logger -p daemon.info -i -t Squid_Alarm
+ /etc/rc.filter_configure
+ touch /var/run/squid_alarm
+ fi
+ fi
+ NUM_PROCS=`ps auxw | grep "[s]quid -f"|awk '{print $2}'| wc -l | awk '{ print $1 }'`
+ if [ $NUM_PROCS -gt 0 ]; then
+ if [ -f /var/run/squid_alarm ]; then
+ echo "Squid has resumed. Reconfiguring filter." | \
+ logger -p daemon.info -i -t Squid_Alarm
+ /etc/rc.filter_configure
+ rm /var/run/squid_alarm
+ fi
+ fi
+ sleep $LOOP_SLEEP
+done
+
+if [ -f /var/run/squid_alarm ]; then
+ rm /var/run/squid_alarm
+fi