<?php
/**
* @ASCOOS-NAME : Ascoos OS
* @ASCOOS-VERSION : 26.0.0
* @ASCOOS-SUPPORT : support@ascoos.com
* @ASCOOS-BUGS : https://issues.ascoos.com
*
* @desc <English> Real-time dashboard for monitoring system and Apache resources, triggering alerts, logging events, and generating visual reports.
* @desc <Greek> ??????? ?????????????? ?? ?????????? ????? ??? ?????? ?????????? ??? Apache, ?? ????????????, ????????? ??? ??????? ????????.
*
* @since PHP 8.2.0
*/
declare(strict_types=1);
use ASCOOS\OS\Kernel\Systems\TCoreSystemHandler;
use ASCOOS\OS\Kernel\Apache\TApacheHandler;
use ASCOOS\OS\Kernel\Arrays\Events\TEventHandler;
use ASCOOS\OS\Extras\Arrays\Graphs\TArrayGraphHandler;
use ASCOOS\OS\Kernel\Dates\TDatesHandler;
global $AOS_LOGS_PATH, $AOS_TMP_DATA_PATH, $AOS_FONTS_PATH;
// <English> Define configuration for logging, graphing, and thresholds
// <Greek> ??????? ????????? ??? ?????????, ????????? ??? ???? ??????????
$properties = [
'logs' => [
'useLogger' => true,
'dir' => $AOS_LOGS_PATH . '/',
'file' => 'system_alerts.log'
],
'graph' => [
'fontPath' => $AOS_FONTS_PATH . '/Murecho/Murecho-Regular.ttf',
'width' => 800,
'height' => 600
],
'thresholds' => [
'cpu' => 85,
'memory' => 80
]
];
// <English> Initialize handlers
// <Greek> ???????????? ?????????
$system = new TCoreSystemHandler($properties);
$apache = TApacheHandler::getInstance([], $properties);
$eventHandler = new TEventHandler([], $properties);
$graphHandler = new TArrayGraphHandler([], $properties['graph']);
$datesHandler = new TDatesHandler('Europe/Athens', $properties);
// <English> Register alert events
// <Greek> ?????????? ????????? ??????????
$eventHandler->register('alerts', 'cpu.high', fn($data) => $eventHandler->logger->log("High CPU usage: {$data['cpu']}%", $eventHandler::DEBUG_LEVEL_WARNING));
$eventHandler->register('alerts', 'memory.high', fn($data) => $eventHandler->logger->log("High memory usage: {$data['memory']}%", $eventHandler::DEBUG_LEVEL_WARNING));
$eventHandler->register('alerts', 'apache.down', fn() => $eventHandler->logger->log("Apache server is not running", $eventHandler::DEBUG_LEVEL_CRITICAL));
// <English> Monitor system resources
// <Greek> ????????????? ????? ??????????
$cpu = $system->get_cpu_load();
$memoryStats = $system->get_memory_stats();
$memory = $memoryStats['percent'];
$apacheRunning = $apache->isServerRunning();
// <English> Trigger alerts based on thresholds
// <Greek> ???????????? ?????????? ????? ?????
if ($cpu > $properties['thresholds']['cpu']) {
$eventHandler->trigger('alerts', 'cpu.high', ['cpu' => $cpu]);
}
if ($memory > $properties['thresholds']['memory']) {
$eventHandler->trigger('alerts', 'memory.high', ['memory' => $memory]);
}
if (!$apacheRunning) {
$eventHandler->trigger('alerts', 'apache.down');
}
// <English> Generate graph of current metrics
// <Greek> ?????????? ?????????? ?? ??? ????????? ?????????
$graphHandler->setArray([$cpu, $memory]);
$graphPath = $AOS_TMP_DATA_PATH . '/reports/system_metrics_' . $datesHandler->getCurrentDate('Ymd') . '.png';
$graphHandler->createGaugeChart($graphPath);
// <English> Output summary
// <Greek> ???????? ???????
echo json_encode([
'cpu' => $cpu,
'memory' => $memory,
'apache_running' => $apacheRunning,
'graph' => $graphPath
], JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
// <English> Free resources
// <Greek> ???????????? ?????
$system->Free($system);
$apache->Free($apache);
$eventHandler->Free($eventHandler);
$graphHandler->Free($graphHandler);
$datesHandler->Free($datesHandler);
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