some progress
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Doar Mihai
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<?php
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namespace App\Jobs;
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use App\Models\Site;
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use App\Models\UptimeCheck;
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use Illuminate\Bus\Queueable;
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use Illuminate\Contracts\Queue\ShouldQueue;
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use Illuminate\Foundation\Bus\Dispatchable;
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use Illuminate\Queue\InteractsWithQueue;
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use Illuminate\Queue\SerializesModels;
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use Illuminate\Support\Facades\Log;
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class CheckSitePing implements ShouldQueue
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{
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use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;
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/**
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* The number of times the job may be attempted.
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*
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* @var int
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*/
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public $tries = 3;
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/**
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* The number of seconds the job can run before timing out.
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*
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* @var int
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*/
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public $timeout = 60;
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/**
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* Create a new job instance.
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*/
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public function __construct(
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public Site $site
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) {}
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/**
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* Execute the job.
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*/
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public function handle(): void
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{
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try {
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$host = $this->extractHost($this->site->url);
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if (!$host) {
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Log::error('CheckSitePing: Invalid URL', [
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'site_id' => $this->site->id,
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'url' => $this->site->url,
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]);
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// Record failed check due to invalid URL
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UptimeCheck::create([
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'site_id' => $this->site->id,
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'check_type' => 'ping',
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'status_code' => null,
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'response_time_ms' => null,
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'is_online' => false,
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'checked_at' => now(),
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]);
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return;
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}
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$result = $this->ping($host);
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Log::info('CheckSitePing: Raw result', [
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'site_id' => $this->site->id,
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'host' => $host,
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'result' => $result,
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]);
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UptimeCheck::create([
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'site_id' => $this->site->id,
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'check_type' => 'ping',
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'status_code' => null, // ICMP doesn't have HTTP status codes
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'response_time_ms' => $result['avg_time'],
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'is_online' => $result['is_online'],
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'checked_at' => now(),
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]);
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Log::info('CheckSitePing: Ping completed', [
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'site_id' => $this->site->id,
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'host' => $host,
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'is_online' => $result['is_online'],
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'avg_time' => $result['avg_time'],
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]);
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} catch (\Exception $e) {
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Log::error('CheckSitePing: Failed', [
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'site_id' => $this->site->id,
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'error' => $e->getMessage(),
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'trace' => $e->getTraceAsString(),
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]);
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// Record failed check
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UptimeCheck::create([
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'site_id' => $this->site->id,
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'check_type' => 'ping',
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'status_code' => null,
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'response_time_ms' => null,
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'is_online' => false,
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'checked_at' => now(),
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]);
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throw $e;
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}
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}
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/**
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* Extract host from URL.
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*/
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protected function extractHost(string $url): ?string
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{
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$parsed = parse_url($url);
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return $parsed['host'] ?? null;
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}
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/**
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* Execute ping command and parse results.
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*/
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protected function ping(string $host): array
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{
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$isWindows = strtoupper(substr(PHP_OS, 0, 3)) === 'WIN';
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// Check if ping command exists
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$pingPath = $this->findPingCommand($isWindows);
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if (!$pingPath) {
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// Ping command not found, use TCP connection as fallback
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Log::warning('CheckSitePing: ping command not found, using TCP fallback', [
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'site_id' => $this->site->id,
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'host' => $host,
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]);
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return $this->tcpCheck($host);
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}
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// Build ping command based on OS
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if ($isWindows) {
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$command = sprintf('%s -n 4 %s 2>&1', $pingPath, escapeshellarg($host));
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} else {
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$command = sprintf('%s -c 4 -W 5 %s 2>&1', $pingPath, escapeshellarg($host));
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}
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$output = [];
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$returnVar = 0;
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exec($command, $output, $returnVar);
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$isOnline = $returnVar === 0;
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$avgTime = null;
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// Parse average response time
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if ($isOnline) {
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$avgTime = $this->parseAverageTime($output, $isWindows);
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}
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return [
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'is_online' => $isOnline,
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'avg_time' => $avgTime,
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'output' => implode("\n", $output),
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'return_code' => $returnVar,
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'command' => $command,
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];
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}
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/**
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* Find ping command path.
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*/
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protected function findPingCommand(bool $isWindows): ?string
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{
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if ($isWindows) {
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return 'ping';
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}
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// Check common Linux locations
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$locations = ['/bin/ping', '/usr/bin/ping', '/sbin/ping', '/usr/sbin/ping'];
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foreach ($locations as $location) {
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if (file_exists($location) && is_executable($location)) {
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return $location;
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}
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}
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// Try to find using which
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exec('which ping 2>&1', $whichOutput, $whichReturn);
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if ($whichReturn === 0 && !empty($whichOutput[0])) {
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return trim($whichOutput[0]);
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}
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return null;
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}
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/**
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* TCP connection check as fallback when ping is not available.
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*/
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protected function tcpCheck(string $host): array
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{
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$port = 80;
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$timeout = 5;
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$startTime = microtime(true);
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$fp = @fsockopen($host, $port, $errno, $errstr, $timeout);
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$endTime = microtime(true);
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$responseTime = (int) round(($endTime - $startTime) * 1000);
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$isOnline = $fp !== false;
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if ($fp) {
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fclose($fp);
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}
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return [
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'is_online' => $isOnline,
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'avg_time' => $isOnline ? $responseTime : null,
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'output' => $isOnline ? "TCP connection successful on port {$port}" : "TCP connection failed: {$errstr}",
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'return_code' => $isOnline ? 0 : $errno,
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'command' => "fsockopen({$host}, {$port}, {$timeout}s)",
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];
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}
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/**
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* Parse average response time from ping output.
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*/
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protected function parseAverageTime(array $output, bool $isWindows): ?int
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{
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$outputText = implode("\n", $output);
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if ($isWindows) {
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// Windows format: "Average = 23ms"
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if (preg_match('/Average\s*=\s*(\d+)ms/i', $outputText, $matches)) {
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return (int) $matches[1];
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}
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} else {
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// Linux format: "rtt min/avg/max/mdev = 12.345/23.456/34.567/8.901 ms"
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if (preg_match('/rtt min\/avg\/max\/mdev = [\d.]+\/([\d.]+)\/[\d.]+\/[\d.]+ ms/i', $outputText, $matches)) {
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return (int) round((float) $matches[1]);
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}
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// Alternative Linux format: "round-trip min/avg/max = 12.345/23.456/34.567 ms"
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if (preg_match('/round-trip min\/avg\/max = [\d.]+\/([\d.]+)\/[\d.]+ ms/i', $outputText, $matches)) {
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return (int) round((float) $matches[1]);
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}
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}
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return null;
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}
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/**
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* Handle a job failure.
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*/
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public function failed(\Throwable $exception): void
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{
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Log::error('CheckSitePing: Job failed after all retries', [
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'site_id' => $this->site->id,
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'exception' => $exception->getMessage(),
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]);
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}
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}
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