221 lines
6.9 KiB
PHP
221 lines
6.9 KiB
PHP
<?php
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/**
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* PHP Server Monitor
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* Monitor your servers and websites.
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*
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* This file is part of PHP Server Monitor.
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* PHP Server Monitor is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PHP Server Monitor is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with PHP Server Monitor. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package phpservermon
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* @author Jérôme Cabanis <http://lauraly.com>
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* Pepijn Over <pep@neanderthal-technology.com>
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* @copyright Copyright (c) 2008-2014 Pepijn Over <pep@neanderthal-technology.com>
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* @license http://www.gnu.org/licenses/gpl.txt GNU GPL v3
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* @version Release: @package_version@
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* @link http://www.phpservermonitor.org/
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**/
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namespace psm\Util\Server;
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use psm\Service\Database;
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use psm\Service\Template;
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/**
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* History util, create HTML for server graphs
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*/
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class HistoryGraph {
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/**
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* Database service
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* @var \psm\Service\Database $db;
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*/
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protected $db;
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/**
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* Template service
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* @var \psm\Service\Template $tpl
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*/
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protected $tpl;
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function __construct(Database $db, Template $tpl) {
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$this->db = $db;
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$this->tpl = $tpl;
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}
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/**
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* Prepare the HTML for the graph
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* @return string
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*/
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public function createHTML($server_id) {
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$tpl_id = 'server_history';
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$this->tpl->newTemplate($tpl_id, 'server/history.tpl.html');
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$graphs = array(
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0 => $this->generateGraphUptime($server_id),
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1 => $this->generateGraphHistory($server_id),
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);
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$this->tpl->addTemplateDataRepeat($tpl_id, 'graphs', $graphs);
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$this->tpl->addTemplateData(
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$tpl_id,
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array(
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'label_server' => psm_get_lang('servers', 'server'),
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'label_latency_avg' => psm_get_lang('servers', 'latency_avg'),
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'day_format' => psm_get_lang('servers', 'chart_day_format'),
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'long_date_format' => psm_get_lang('servers', 'chart_long_date_format'),
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'short_date_format' => psm_get_lang('servers', 'chart_short_date_format'),
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'short_time_format' => psm_get_lang('servers', 'chart_short_time_format'),
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)
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);
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return $this->tpl->getTemplate($tpl_id);
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}
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/**
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* Generate data for uptime graph
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* @param int $server_id
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* @return array
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*/
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protected function generateGraphUptime($server_id) {
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$uptimes = $this->db->select(PSM_DB_PREFIX.'servers_uptime' , array('server_id' => $server_id), null, '', 'date');
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$last_date = 0;
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$latency_avg = 0;
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// Create the list of points and server down zones
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$line = array();
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$lines = array();
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$down = array();
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foreach ($uptimes as $uptime) {
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$latency_avg += (float) $uptime['latency'];
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$time = strtotime($uptime['date']) * 1000;
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if($uptime['status']) {
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// The server is up
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$line[] = '[' . $time . ',' . round((float)$uptime['latency'], 4) . ']';
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if($last_date) {
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// Was down before.
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// Record the first and last date as a string in the down array
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$down[] = '[' . $last_date . ',' . $time . ']';
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$last_date = 0;
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}
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}
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else {
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if(!$last_date) {
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$last_date = $time;
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}
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}
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}
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if(!empty($line)) {
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$lines[] = '[' . implode(',', $line) . ']';
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}
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if($last_date) {
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$down[] = '[' . $last_date . ',0]';
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}
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$buttons = array();
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$buttons[] = array('mode' => 'hour', 'label' => psm_get_lang('servers', 'hour'), 'class_active' => 'btn-info');
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$buttons[] = array('mode' => 'day', 'label' => psm_get_lang('servers', 'day'));
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$buttons[] = array('mode' => 'week', 'label' => psm_get_lang('servers', 'week'));
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$data = array(
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'title' => psm_get_lang('servers', 'chart_last_week'),
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'latency_avg' => count($uptimes) > 0 ? round(($latency_avg / count($uptimes)), 4) : 0,
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'server_lines' => sizeof($lines) ? '[' . implode(',', $lines) . ']' : '',
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'server_down' => sizeof($down) ? '[' . implode(',', $down) . ']' : '',
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'series' => "[{label: '".psm_get_lang('servers', 'latency')."'}]",
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'plotmode' => 'hour',
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'buttons' => $buttons,
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'chart_id' => $server_id . '_uptime',
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);
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return $data;
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}
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/**
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* Generate data for history graph
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* @param int $server_id
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* @return array
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*/
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protected function generateGraphHistory($server_id) {
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$uptimes = $this->db->select(PSM_DB_PREFIX.'servers_history' , array('server_id' => $server_id), null, '', 'date');
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$last_date = 0;
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// Create the list of points and server down zones
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$lines = array(
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'latency_avg' => array(),
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'latency_max' => array(),
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'latency_min' => array(),
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);
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$latency_avg = 0;
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$series = array();
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$time_end = 0;
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$down = array();
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foreach ($uptimes as $uptime) {
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$time = strtotime($uptime['date']) * 1000;
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// keep track of highest timestamp to use as end-date for graphs
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if($time > $time_end) {
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$time_end = $time;
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}
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$latency_avg += (float) $uptime['latency_avg'];
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if($uptime['checks_failed'] == 0) {
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// The server is up
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foreach($lines as $key => &$value) {
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// add the value for each of the different lines
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if(isset($uptime[$key])) {
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$value[] = '[' . $time . ',' . round((float)$uptime[$key], 4) . ']';
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}
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}
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if($last_date) {
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// Was down before.
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// Record the first and last date as a string in the down array
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$down[] = '[' . $last_date . ',' . $time . ']';
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$last_date = 0;
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}
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} else {
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// The server is down
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if(!$last_date) {
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$last_date = $time;
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}
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}
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}
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$lines_merged = array();
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foreach($lines as $line_key => $line_value) {
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if(empty($value)) {
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continue;
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}
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$lines_merged[] = '[' . implode(',', $line_value) . ']';
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$series[] = "{label: '".psm_get_lang('servers', $line_key)."'}";
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}
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if($last_date) {
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$down[] = '[' . $last_date . ',0]';
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}
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$buttons = array();
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$buttons[] = array('mode' => 'week2', 'label' => psm_get_lang('servers', 'week'));
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$buttons[] = array('mode' => 'month', 'label' => psm_get_lang('servers', 'month'), 'class_active' => 'btn-info');
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$buttons[] = array('mode' => 'year', 'label' => psm_get_lang('servers', 'year'));
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$data = array(
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'title' => psm_get_lang('servers', 'chart_history'),
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'latency_avg' => count($uptimes) > 0 ? round(($latency_avg / count($uptimes)), 4) : 0,
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'server_lines' => sizeof($lines_merged) ? '[' . implode(',', $lines_merged) . ']' : '',
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'server_down' => sizeof($down) ? '[' . implode(',', $down) . ']' : '',
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'series' => sizeof($series) ? '[' . implode(',', $series) . ']' : '',
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'plotmode' => 'month',
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'end_timestamp' => $time_end ? $time_end : '',
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'buttons' => $buttons,
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// make sure to add chart id after buttons so its added to those tmeplates as well
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'chart_id' => $server_id . '_history',
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);
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return $data;
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}
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} |