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beta load balancer widget
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Scott Dale
parent
9624823bc7
commit
18176fdcbe
227
usr/local/www/widgets/widgets/load_balancer_status.widget.php
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227
usr/local/www/widgets/widgets/load_balancer_status.widget.php
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<?php
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/*
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$Id$
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Copyright 2007 Scott Dale
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Part of pfSense widgets (www.pfsense.com)
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originally based on m0n0wall (http://m0n0.ch/wall)
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Copyright (C) 2004-2005 T. Lechat <dev@lechat.org>, Manuel Kasper <mk@neon1.net>
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and Jonathan Watt <jwatt@jwatt.org>.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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?>
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<div> </div>
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<?php
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$tab_array = array();
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$tab_array[0] = array("Pool Status", true, "load_balancer_status-pool");
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$tab_array[1] = array("Server Status", false, "load_balancer_status-server");
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display_widget_tabs($tab_array);
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if (!is_array($config['load_balancer']['lbpool'])) {
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$config['load_balancer']['lbpool'] = array();
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}
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if (!is_array($config['load_balancer']['virtual_server'])) {
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$config['load_balancer']['virtual_server'] = array();
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}
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$a_vs = &$config['load_balancer']['virtual_server'];
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$a_pool = &$config['load_balancer']['lbpool'];
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$slbd_logfile = "{$g['varlog_path']}/slbd.log";
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$nentries = $config['syslog']['nentries'];
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if (!$nentries)
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$nentries = 50;
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$now = time();
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$year = date("Y");
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?>
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<div id="load_balancer_status-pool" style="display:block;">
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<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td width="10%" class="listhdrr">Name</td>
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<td width="10%" class="listhdrr">Type</td>
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<td width="10%" class="listhdrr">Gateways</td>
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<td width="25%" class="listhdrr">Status</td>
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<td width="30%" class="listhdr">Description</td>
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</tr>
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<?php $i = 0; foreach ($a_pool as $vipent):
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if ($vipent['type'] == "gateway") {
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?>
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<tr>
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<td class="listlr">
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<?=$vipent['name'];?>
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</td>
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<td class="listr" align="center" >
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<?=$vipent['type'];?>
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<br />
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(<?=$vipent['behaviour'];?>)
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</td>
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<td class="listr" align="center" >
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<table border="0" cellpadding="0" cellspacing="2">
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<?php
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foreach ((array) $vipent['servers'] as $server) {
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$svr = split("\|", $server);
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PRINT "<tr><td> {$svr[0]} </td></tr>";
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}
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?>
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</table>
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</td>
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<td class="listr" >
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<table border="0" cellpadding="0" cellspacing="2">
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<?php
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if ($vipent['type'] == "gateway") {
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$poolfile = "{$g['tmp_path']}/{$vipent['name']}.pool";
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if(file_exists("$poolfile")) {
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$poolstatus = file_get_contents("$poolfile");
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}
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foreach ((array) $vipent['servers'] as $server) {
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$lastchange = "";
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$svr = split("\|", $server);
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$monitorip = $svr[1];
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$logstates = return_clog($slbd_logfile, $nentries, array("$monitorip", "marking"), true);
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$logstates = $logstates[0];
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if(stristr($logstates, $monitorip)) {
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$date = preg_split("/[ ]+/" , $logstates);
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$lastchange = "$date[0] $date[1] $year $date[2]";
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}
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if(stristr($poolstatus, $monitorip)) {
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$online = "Online";
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$bgcolor = "lightgreen";
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$change = $now - strtotime("$lastchange");
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if($change < 300) {
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$bgcolor = "khaki";
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}
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} else {
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$online = "Offline";
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$bgcolor = "lightcoral";
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}
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PRINT "<tr><td bgcolor=\"$bgcolor\" > $online </td><td>";
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PRINT "</td></tr>";
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}
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} else {
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PRINT "<tr><td> {$vipent['monitor']} </td></tr>";
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}
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?>
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</table>
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</td>
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<td class="listbg" >
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<font color="#FFFFFF"><?=$vipent['desc'];?></font>
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</td>
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</tr>
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<?php
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}
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$i++;
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endforeach;
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?>
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</table>
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</div>
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<div id="load_balancer_status-server" style="display:none;">
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<table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
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<tr>
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<td width="10%" class="listhdrr">Name</td>
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<td width="10%" class="listhdrr">Port</td>
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<td width="10%" class="listhdrr">Servers</td>
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<td width="30%" class="listhdrr">Status</td>
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<td width="30%" class="listhdr">Description</td>
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</tr>
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<?php $i = 0; foreach ($a_vs as $vsent): ?>
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<tr>
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<td class="listlr">
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<?=$vsent['name'];?>
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</td>
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<td class="listr" align="center" >
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<?=$vsent['port'];?>
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<br />
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</td>
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<td class="listr" align="center" >
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<table border="0" cellpadding="0" cellspacing="2">
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<?php
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foreach ($a_pool as $vipent) {
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if ($vipent['name'] == $vsent['pool']) {
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foreach ((array) $vipent['servers'] as $server) {
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PRINT "<tr><td> {$server} </td></tr>";
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}
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}
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}
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?>
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</table>
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</td>
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<td class="listr" >
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<table border="0" cellpadding="0" cellspacing="2">
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<?php
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$poolfile = "{$g['tmp_path']}/{$vsent['name']}.pool";
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if(file_exists("$poolfile")) {
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$poolstatus = file_get_contents("$poolfile");
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}
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foreach ($a_pool as $vipent) {
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if ($vipent['name'] == $vsent['pool']) {
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foreach ((array) $vipent['servers'] as $server) {
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$lastchange = "";
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$monitorip = $server;
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$logstates = return_clog($slbd_logfile, $nentries, array("$monitorip", "marking"), true);
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$logstates = $logstates[0];
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if(stristr($logstates, $monitorip)) {
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$date = preg_split("/[ ]+/" , $logstates);
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$lastchange = "$date[0] $date[1] $year $date[2]";
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}
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if(stristr($poolstatus, $monitorip)) {
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$online = "Online";
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$bgcolor = "lightgreen";
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$change = $now - strtotime("$lastchange");
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if($change < 300) {
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$bgcolor = "khaki";
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}
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} else {
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$online = "Offline";
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$bgcolor = "lightcoral";
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}
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PRINT "<tr><td bgcolor=\"$bgcolor\" > $online </td><td>";
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if($lastchange <> "") {
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PRINT "Last change $lastchange";
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} else {
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PRINT "No changes found in logfile";
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}
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PRINT "</td></tr>";
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}
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}
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}
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?>
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</table>
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</td>
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<td class="listbg" >
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<font color="#FFFFFF"><?=$vipent['desc'];?></font>
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</td>
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</tr>
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<?php $i++; endforeach; ?>
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</table>
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</div>
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