From 07cff0c375e8c696087622b6b539c4e5fd13a696 Mon Sep 17 00:00:00 2001
From: Martin Fuchs <martin.fuchs@trendchiller.com>
Date: Wed, 4 Jan 2012 14:53:41 +0100
Subject: based on jimp 4a4429cbcf28a631014574eaf2b93f0b41555995

---
 config/squid-reverse/swapstate_check.php | 48 ++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 config/squid-reverse/swapstate_check.php

diff --git a/config/squid-reverse/swapstate_check.php b/config/squid-reverse/swapstate_check.php
new file mode 100644
index 00000000..ab5b11d8
--- /dev/null
+++ b/config/squid-reverse/swapstate_check.php
@@ -0,0 +1,48 @@
+#!/usr/local/bin/php -q
+<?php
+/*
+	swapstate_check.php
+	Copyright (C) 2011 Jim Pingle
+	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.
+*/
+require_once('config.inc');
+require_once('util.inc');
+
+$settings = $config['installedpackages']['squidcache']['config'][0];
+$cachedir =($settings['harddisk_cache_location'] ? $settings['harddisk_cache_location'] : '/var/squid/cache');
+$swapstate = $cachedir . '/swap.state';
+$disktotal = disk_total_space(dirname($cachedir));
+$diskfree = disk_free_space(dirname($cachedir));
+$diskusedpct = round((($disktotal - $diskfree) / $disktotal) * 100);
+$swapstate_size = filesize($swapstate);
+$swapstate_pct = round(($swapstate_size / $disktotal) * 100);
+
+// If the swap.state file is taking up more than 75% disk space, 
+//	or the drive is 90% full and swap.state is larger than 1GB, 
+//	kill it and initiate a rotate to write a fresh copy.
+if (($swapstate_pct > 75) || (($diskusedpct > 90) && ($swapstate_size > 1024*1024*1024))) {
+	mwexec_bg("/bin/rm $swapstate; /usr/local/sbin/squid -k rotate");
+	log_error(gettext(sprintf("Squid swap.state file exceeded size limits. Removing and rotating. File was %d bytes, %d%% of total disk space.", $swapstate_size, $swapstate_pct)));
+}
+?>
\ No newline at end of file
-- 
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