69 lines
1.5 KiB
PHP
Executable File
69 lines
1.5 KiB
PHP
Executable File
<?php
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namespace Common\ServerTiming;
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use Closure;
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use Illuminate\Http\Request;
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use Illuminate\Support\Str;
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class ServerTimingMiddleware
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{
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protected mixed $start;
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public function __construct(protected ServerTiming $timing)
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{
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$this->start = $this->getRequestStartTime();
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}
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public function handle(Request $request, Closure $next)
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{
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$this->timing->setDuration('Bootstrap', $this->getElapsedTimeInMs());
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$this->timing->start('App');
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$response = $next($request);
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$this->timing->stop('App');
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$this->timing->stopAllUnfinishedEvents();
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$this->timing->setDuration('Total', $this->getElapsedTimeInMs());
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$response->headers->set('Server-Timing', $this->generateHeaders());
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return $response;
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}
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protected function getElapsedTimeInMs(): float|int
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{
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return (microtime(true) - $this->start) * 1000;
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}
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protected function getRequestStartTime()
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{
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if (defined('LARAVEL_START')) {
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return LARAVEL_START;
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}
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return $_SERVER['REQUEST_TIME_FLOAT'] ?? microtime(true);
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}
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protected function generateHeaders(): string
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{
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$header = '';
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foreach ($this->timing->events() as $eventName => $duration) {
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$eventNameSlug = Str::slug($eventName);
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$header .= "{$eventNameSlug};desc=\"{$eventName}\";";
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if (!is_null($duration)) {
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$header .= "dur={$duration}";
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}
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$header .= ', ';
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}
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return $header;
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}
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}
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