From b0a65ddb5921cb85eb4f621cdb058b3856551d6e Mon Sep 17 00:00:00 2001
From: Phil Davis <phil.davis@world.inf.org>
Date: Sat, 12 Jan 2013 07:40:50 -0800
Subject: Create sqpmon.sh

---
 config/squid/sqpmon.sh | 75 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 config/squid/sqpmon.sh

(limited to 'config')

diff --git a/config/squid/sqpmon.sh b/config/squid/sqpmon.sh
new file mode 100644
index 00000000..e12acf6f
--- /dev/null
+++ b/config/squid/sqpmon.sh
@@ -0,0 +1,75 @@
+#!/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
-- 
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