<?php
/**
* @ASCOOS-NAME : Ascoos OS
* @ASCOOS-VERSION : 26.0.0
* @ASCOOS-SUPPORT : support@ascoos.com
* @ASCOOS-BUGS : https://issues.ascoos.com
*
* @CASE-STUDY : website_monitoring_with_apache_optimization.php
*
* @desc <English> Case Study: Website Monitoring with Linguistic Analysis, Network Management, and Apache Optimization
* @desc <Greek> Case Study: ????????????? ??????????? ?? ???????? ???????, ?????????? ??????? ??? ?????????????? Apache
*
* @since PHP 8.2.0
*/
declare(strict_types=1);
use ASCOOS\OS\Kernel\Apache\TApacheHandler;
use ASCOOS\OS\Kernel\Net\TNetwork;
use ASCOOS\OS\Kernel\Websites\TWebsiteHandler;
use ASCOOS\OS\Kernel\Languages\TLanguageHandler;
use ASCOOS\OS\Kernel\Files\TFilesHandler;
use ASCOOS\OS\Kernel\Systems\TCoreSystemHandler;
use ASCOOS\OS\Kernel\Arrays\Queues\TQueueHandler;
use ASCOOS\OS\Kernel\Arrays\Stacks\TStackHandler;
use ASCOOS\OS\Kernel\Tasks\TTaskHandler;
use ASCOOS\OS\Kernel\Threads\TThreadHandler;
// <English> Declare global variables
// <Greek> ??????? ??? ???????? ??????????
global $AOS_CONFIG_PATH, $AOS_LOGS_PATH;
// <English> Initialize properties for logging, file handling, and linguistic analysis
// <Greek> ???????????? ????????? ??? ?????????, ?????????? ??????? ??? ???????? ???????
$properties = [
'logs' => [
'useLogger' => true,
'dir' => $AOS_LOGS_PATH . '/',
'file' => 'website_linguistic_monitoring.log'
],
'file' => [
'dataDir' => PHP_OS_FAMILY === 'Windows' ? 'C:/Apache24/backup' : '/var/backups/apache',
'quotaSize' => 2000000 // 2MB quota
],
'language' => [
'alphabetsPath' => $AOS_CONFIG_PATH . '/alphabets.json',
'wordListPath' => $AOS_CONFIG_PATH . '/wordlist.json'
],
'system' => [
'cpu_percent_warn' => 80
],
'maxThreads' => 5
];
// <English> Initialize handlers
// <Greek> ???????????? ????????????
$apache = TApacheHandler::getInstance([], $properties);
$network = new TNetwork(null, $properties);
$website = new TWebsiteHandler([], $properties);
$language = new TLanguageHandler([], $properties['language']);
$files = new TFilesHandler([], $properties);
$system = new TCoreSystemHandler($properties['system']);
$queue = new TQueueHandler();
$stack = new TStackHandler();
$task = new TTaskHandler($properties);
$thread = new TThreadHandler($properties);
// <English> List of websites to analyze
// <Greek> ????? ??????????? ??? ???????
$websites = [
'https://example.com',
'https://test.com',
'https://demo.org'
];
// <English> Define tasks for website analysis
// <Greek> ??????? ???????? ??? ??? ??????? ???????????
$tasks = [];
foreach ($websites as $url) {
$tasks[] = [
'id' => md5($url),
'callback' => function () use ($url, $website, $language, $system, $network, $apache): array {
$result = [
'url' => $url,
'availability' => false,
'language' => 'en',
'sentiment' => 'neutral',
'seo_score' => 0.0,
'broken_links' => [],
'cpu_load' => 0.0,
'latency' => 0.0,
'ssl_status' => []
];
// <English> Check network connectivity and latency
// <Greek> ??????? ?????????????? ??????? ??? ????????????
if (!$network->checkInternetConnection()) {
$apache->logger?->log("No internet connection for $url", $apache->logger::DEBUG_LEVEL_ERROR);
return $result;
}
$result['latency'] = $network->checkLatency(parse_url($url, PHP_URL_HOST));
// <English> Check website availability and SEO
// <Greek> ??????? ?????????????? ??? SEO ???????????
$result['availability'] = $website->checkAvailability($url);
$result['seo_score'] = $website->analyzeSEO($url)['score'] ?? 0.0;
$result['broken_links'] = $website->checkBrokenLinks($url);
// <English> Check SSL certificate
// <Greek> ??????? ?????????????? SSL
$result['ssl_status'] = $apache->checkSSLCertificate(parse_url($url, PHP_URL_HOST));
// <English> Fetch and clean website content
// <Greek> ???????? ??? ?????????? ???????????? ???????????
$html = $website->getHTMLContent($url);
if ($html === false) {
$apache->logger?->log("Failed to fetch HTML for $url", $apache->logger::DEBUG_LEVEL_ERROR);
return $result;
}
$text = strip_tags($html);
// <English> Detect language
// <Greek> ?????????? ???????
$result['language'] = $language->getTextLanguage($text);
// <English> Perform linguistic analysis (sentiment)
// <Greek> ???????? ????????? ???????? (??????????)
$result['sentiment'] = $website->analyzeSentiment($text, $result['language']);
// <English> Monitor system load
// <Greek> ????????????? ?????? ??????????
$result['cpu_load'] = $system->get_cpu_load(0);
if ($result['cpu_load'] > $system->getDeepProperty(['system','cpu_percent_warn'])) {
$apache->logger?->log("High CPU load during analysis of $url: {$result['cpu_load']}%", $apache->logger::DEBUG_LEVEL_WARNING);
}
// <English> Log results
// <Greek> ????????? ?????????????
$apache->logger?->log("Analysis for $url: " . json_encode($result, JSON_PRETTY_PRINT), $apache->logger::DEBUG_LEVEL_INFO);
return $result;
}
];
}
// <English> Add tasks to queue and cache results
// <Greek> ???????? ???????? ???? ???? ??? ?????????? ????????????? ?? cache
foreach ($tasks as $taskData) {
$task->addTaskToQueue($taskData['id'], $taskData['callback']);
$queue->insert($taskData['id']);
}
// <English> Process tasks in parallel using threads
// <Greek> ??????????? ???????? ????????? ?? ??????
$thread->setMaxThreads(3); // Limit to 3 concurrent threads
$results = [];
while (!$queue->isEmpty()) {
$taskId = $queue->extract();
if ($cached = $task->checkCache($taskId)) {
$results[$taskId] = $cached; // Use cached result if available
$apache->logger?->log("Using cached result for task $taskId", $apache->logger::DEBUG_LEVEL_INFO);
continue;
}
$thread->startThread($taskId, function () use ($task, $taskId, &$results) {
$result = $task->executeNextQueueTask();
$task->saveCache($taskId, $result); // Cache the result
$results[$taskId] = $result;
});
}
$thread->monitorThreads(); // Monitor and wait for threads to complete
// <English> Optimize Apache based on results
// <Greek> ?????????????? Apache ????? ?????????????
$needsOptimization = false;
$needsBackup = false;
foreach ($results as $result) {
if ($result['seo_score'] < 70 || count($result['broken_links']) > 0) {
$needsOptimization = true; // Enable mod_rewrite for better routing
}
if ($result['ssl_status']['is_expired'] ?? false) {
$needsBackup = true; // Backup config before making changes
$apache->logger?->log("SSL certificate expired for {$result['url']}", $apache->logger::DEBUG_LEVEL_ERROR);
}
if ($result['cpu_load'] > $properties['system']['cpu_percent_warn']) {
$needsOptimization = true; // Set QoS to manage server load
}
}
// <English> Enable mod_rewrite if needed
// <Greek> ???????????? mod_rewrite ?? ??????????
if ($needsOptimization && !$apache->exists_module('rewrite')) {
try {
$apache->enableModule('rewrite');
$apache->logger?->log("Enabled mod_rewrite for performance optimization", $apache->logger::DEBUG_LEVEL_INFO);
} catch (Exception $e) {
$apache->logger?->log("Failed to enable mod_rewrite: " . $e->getMessage(), $apache->logger::DEBUG_LEVEL_ERROR);
}
}
// <English> Set QoS rule if needed
// <Greek> ??????? ?????? QoS ?? ??????????
if ($needsOptimization) {
try {
$apache->setQoSRule("QS_SrvMaxConnPerIP", "100");
$apache->logger?->log("Set QoS rule for traffic prioritization", $apache->logger::DEBUG_LEVEL_INFO);
} catch (Exception $e) {
$apache->logger?->log("Failed to set QoS rule: " . $e->getMessage(), $apache->logger::DEBUG_LEVEL_ERROR);
}
}
// <English> Backup Apache configuration if needed
// <Greek> ?????????? backup ??????????? Apache ?? ??????????
if ($needsBackup) {
try {
$configFile = PHP_OS_FAMILY === 'Windows' ? 'C:/Apache24/conf/httpd.conf' : '/etc/apache2/apache2.conf';
$backupFolder = $properties['file']['dataDir'];
$apache->backupConfig($configFile, $backupFolder);
$apache->logger?->log("Apache config backed up to $backupFolder", $apache->logger::DEBUG_LEVEL_INFO);
} catch (Exception $e) {
$apache->logger?->log("Backup failed: " . $e->getMessage(), $apache->logger::DEBUG_LEVEL_ERROR);
}
}
// <English> Generate and save report
// <Greek> ?????????? ??? ?????????? ????????
$reportFolder = $properties['file']['dataDir'] . '/reports';
$files->createFolder($reportFolder);
$reportFile = $reportFolder . '/website_analysis_' . date('Ymd_His') . '.json';
$files->writeToFileWithCheck(json_encode($results, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE), $reportFile);
$apache->logger?->log("Analysis report saved to $reportFile", $apache->logger::DEBUG_LEVEL_INFO);
// <English> Send report via email
// <Greek> ???????? ???????? ???? email
try {
$network->sendReport('admin@example.com');
$apache->logger?->log("Report sent to admin@example.com", $apache->logger::DEBUG_LEVEL_INFO);
} catch (Exception $e) {
$apache->logger?->log("Failed to send report: " . $e->getMessage(), $apache->logger::DEBUG_LEVEL_ERROR);
}
// <English> Free resources
// <Greek> ???????????? ?????
$apache->Free($apache);
$network->Free($network);
$website->Free($website);
$language->Free($language);
$files->Free($files);
$system->Free($system);
$queue->Free($queue);
$stack->Free($stack);
$task->Free($task);
$thread->Free($thread);
?>
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