<?php
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/*
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Copyright (c) 2007-2011, Till Brehm, projektfarm Gmbh and Oliver Vogel www.muv.com
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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 monitor_core_module {
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var $interval = 5; // do the monitoring every 5 minutes
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var $module_name = 'monitor_core_module';
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var $class_name = 'monitor_core_module';
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/* No actions at this time. maybe later... */
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var $actions_available = array();
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/** The Tools */
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private $_tools = null;
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//** time the script was called
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private $_run_time = null;
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/**
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* This function is called during ispconfig installation to determine
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* if a symlink shall be created for this plugin.
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*/
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public function onInstall() {
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global $conf;
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return true;
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}
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/**
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* This function is called when the module is loaded
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*/
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public function onLoad() {
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global $app;
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//* store the running time
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$this->_run_time = time();
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/*
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* Do the monitor every n minutes and write the result to the db
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*/
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$min = @date('i', $this->_run_time);
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if (($min % $this->interval) == 0) {
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$this->_doMonitor();
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}
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}
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/**
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* This function is called when a change in one of the registered tables is detected.
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* The function then raises the events for the plugins.
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*/
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public function process($tablename, $action, $data) {
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// not needed
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}
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/**
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* This method is called every n minutes, when the module ist loaded.
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* The method then does a system-monitoring
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*/
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// TODO: what monitoring is done should be a config-var
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private function _doMonitor() {
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global $app;
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/*
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* We need the tools in almost every method, so initialize them once...
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*/
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$app->load('monitor_tools');
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$this->_tools = new monitor_tools();
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/*
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* Calls the single Monitoring steps
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*/
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$this->_monitorEmailQuota();
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$this->_monitorHDQuota();
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$this->_monitorServer();
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$this->_monitorOsVer();
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$this->_monitorIspcVer();
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$this->_monitorDiskUsage();
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$this->_monitorMemUsage();
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$this->_monitorCpu();
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$this->_monitorServices();
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if (@file_exists('/proc/user_beancounters')) {
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$this->_monitorOpenVzHost();
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$this->_monitorOpenVzUserBeancounter();
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}
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$this->_monitorMailLog();
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$this->_monitorMailWarnLog();
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$this->_monitorMailErrLog();
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$this->_monitorMessagesLog();
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$this->_monitorISPCCronLog();
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$this->_monitorFreshClamLog();
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$this->_monitorClamAvLog();
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$this->_monitorIspConfigLog();
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$this->_monitorSystemUpdate();
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$this->_monitorMailQueue();
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$this->_monitorRaid();
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$this->_monitorRkHunter();
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$this->_monitorFail2ban();
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$this->_monitorIPTables();
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$this->_monitorSysLog();
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}
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private function _monitorEmailQuota() {
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global $app, $conf;
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/*
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* This monitoring is expensive, so do it only every 15 minutes
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*/
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$min = @date('i', $this->_run_time);
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if ($min % 15 != 0) return;
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$app->uses('getconf');
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$mail_config = $app->getconf->get_server_config($conf['server_id'], 'mail');
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if($mail_config['mailbox_quota_stats'] == 'n') return;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorEmailQuota();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorHDQuota() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorHDQuota();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorServer() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorServer();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorOsVer() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorOsVer();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorIspcVer() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorIspcVer();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorDiskUsage() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorDiskUsage();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorMemUsage() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorMemUsage();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorCpu() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorCpu();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorServices() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorServices();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorOpenVzHost() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorOpenVzHost();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorOpenVzUserBeancounter() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorOpenVzUserBeancounter();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorSystemUpdate() {
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/*
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* This monitoring is expensive, so do it only once an hour
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*/
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$min = @date('i', $this->_run_time);
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if ($min != 0)
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return;
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/*
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* OK - here we go...
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*/
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorSystemUpdate();
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//* Ensure that output is encoded so that it does not break the serialize
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//$res['data']['output'] = htmlentities($res['data']['output']);
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$res['data']['output'] = htmlentities($res['data']['output'], ENT_QUOTES, 'UTF-8');
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorMailQueue() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorMailQueue();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorRaid() {
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorRaid();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorRkHunter() {
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/*
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* This monitoring is expensive, so do it only once a day
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*/
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$min = @date('i', $this->_run_time);
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$hour = @date('H', $this->_run_time);
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if (!($min == 0 && $hour == 23))
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return;
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/*
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* OK . here we go...
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*/
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global $app;
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/*
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* First we get the Monitoring-data from the tools
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*/
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$res = $this->_tools->monitorRkHunter();
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/*
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* Insert the data into the database
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*/
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$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->_delOldRecords($res['type'], $res['server_id']);
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}
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private function _monitorFail2ban() {
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global $app;
|
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/*
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* First we get the Monitoring-data from the tools
|
*/
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$res = $this->_tools->monitorFail2ban();
|
|
/*
|
* Insert the data into the database
|
*/
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$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->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
|
private function _monitorIPTables() {
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global $app;
|
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/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorIPTables();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
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'VALUES (' .
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$res['server_id'] . ', ' .
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"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorSysLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorSysLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorMailLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorMailLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorMailWarnLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorMailWarnLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorMailErrLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorMailErrLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorMessagesLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorMessagesLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorISPCCronLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorISPCCronLog();
|
|
//* Ensure that output is encoded so that it does not break the serialize
|
if(is_array($res) && isset($res['data'])) $res['data'] = htmlentities($res['data']);
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorFreshClamLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorFreshClamLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorClamAvLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorClamAvLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
private function _monitorIspConfigLog() {
|
global $app;
|
|
/*
|
* First we get the Monitoring-data from the tools
|
*/
|
$res = $this->_tools->monitorIspConfigLog();
|
|
/*
|
* Insert the data into the database
|
*/
|
$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
|
'VALUES (' .
|
$res['server_id'] . ', ' .
|
"'" . $app->dbmaster->quote($res['type']) . "', " .
|
'UNIX_TIMESTAMP(), ' .
|
"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
|
"'" . $res['state'] . "'" .
|
')';
|
$app->dbmaster->query($sql);
|
|
/* The new data is written, now we can delete the old one */
|
$this->_delOldRecords($res['type'], $res['server_id']);
|
}
|
|
/**
|
* Deletes Records older than 4 minutes.
|
* The monitor writes new data every 5 minutes or longer (4 hour, 1 day).
|
* So if i delete all Date older than 4 minutes i can be sure, that all old data
|
* are deleted...
|
*/
|
private function _delOldRecords($type, $serverId) {
|
global $app;
|
|
// $now = time();
|
// $old = $now - (4 * 60); // 4 minutes
|
$old = 'UNIX_TIMESTAMP() - 240';
|
|
/*
|
* ATTENTION if i do NOT pay attention of the server id, i delete all data (of the type)
|
* of ALL servers. This means, if i have a multiserver-environment and a server has a
|
* time not synced with the others (for example, all server has 11:00 and ONE server has
|
* 10:45) then the actual data of this server (with the time-stamp 10:45) get lost
|
* even though it is the NEWEST data of this server. To avoid this i HAVE to include
|
* the server-id!
|
*/
|
$sql = 'DELETE FROM monitor_data ' .
|
'WHERE ' .
|
' type =' . "'" . $app->dbmaster->quote($type) . "' " .
|
'AND ' .
|
' created < ' . $old . ' ' .
|
'AND ' .
|
' server_id = ' . $serverId;
|
$app->dbmaster->query($sql);
|
}
|
|
}
|
|
?>
|
