<?php
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/*
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Copyright (c) 2013, Marius Cramer, pixcept KG
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* 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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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class cronjob_monitor_mem_usage extends cronjob {
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// job schedule
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protected $_schedule = '*/5 * * * *';
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protected $_run_at_new = true;
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private $_tools = null;
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/* this function is optional if it contains no custom code */
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public function onPrepare() {
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global $app;
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parent::onPrepare();
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}
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/* this function is optional if it contains no custom code */
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public function onBeforeRun() {
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global $app;
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return parent::onBeforeRun();
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}
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public function onRunJob() {
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global $app, $conf;
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/* used for all monitor cronjobs */
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$app->load('monitor_tools');
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$this->_tools = new monitor_tools();
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/* end global section for monitor cronjobs */
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
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/** The type of the data */
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$type = 'mem_usage';
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/*
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Fetch the data into a array
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*/
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$miData = shell_exec('cat /proc/meminfo');
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$memInfo = explode("\n", $miData);
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foreach ($memInfo as $line) {
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$part = preg_split('/:/', $line);
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$key = trim($part[0]);
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$tmp = explode(' ', trim($part[1]));
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$value = 0;
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if ($tmp[1] == 'kB')
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$value = $tmp[0] * 1024;
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$data[$key] = $value;
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}
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/*
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* actually this info has no state.
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* maybe someone knows better...???...
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*/
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$state = 'no_state';
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$res = array();
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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/*
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* Insert the data into the database
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*/
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$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
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'VALUES (' .
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$res['server_id'] . ', ' .
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"'" . $app->dbmaster->quote($res['type']) . "', " .
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'UNIX_TIMESTAMP(), ' .
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"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
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"'" . $res['state'] . "'" .
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')';
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$app->dbmaster->query($sql);
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/* The new data is written, now we can delete the old one */
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$this->_tools->delOldRecords($res['type'], $res['server_id']);
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parent::onRunJob();
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}
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/* this function is optional if it contains no custom code */
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public function onAfterRun() {
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global $app;
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parent::onAfterRun();
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}
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}
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?>
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