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| -rw-r--r-- | config/squid-reverse/swapstate_check.php | 48 |
1 files changed, 48 insertions, 0 deletions
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))); +} +?>
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