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-rw-r--r--config/squid-reverse/swapstate_check.php48
1 files changed, 48 insertions, 0 deletions
diff --git a/config/squid-reverse/swapstate_check.php b/config/squid-reverse/swapstate_check.php
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+++ 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