<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Messenger;
/**
* @author Samuel Roze <samuel.roze@gmail.com>
*/
class TraceableMessageBus implements MessageBusInterface
{
private MessageBusInterface $decoratedBus;
private array $dispatchedMessages = [];
public function __construct(MessageBusInterface $decoratedBus)
{
$this->decoratedBus = $decoratedBus;
}
/**
* {@inheritdoc}
*/
public function dispatch(object $message, array $stamps = []): Envelope
{
$envelope = Envelope::wrap($message, $stamps);
$context = [
'stamps' => array_merge([], ...array_values($envelope->all())),
'message' => $envelope->getMessage(),
'caller' => $this->getCaller(),
'callTime' => microtime(true),
];
try {
return $envelope = $this->decoratedBus->dispatch($message, $stamps);
} catch (\Throwable $e) {
$context['exception'] = $e;
throw $e;
} finally {
$this->dispatchedMessages[] = $context + ['stamps_after_dispatch' => array_merge([], ...array_values($envelope->all()))];
}
}
public function getDispatchedMessages(): array
{
return $this->dispatchedMessages;
}
public function reset()
{
$this->dispatchedMessages = [];
}
private function getCaller(): array
{
$trace = debug_backtrace(\DEBUG_BACKTRACE_IGNORE_ARGS, 8);
$file = $trace[1]['file'] ?? null;
$line = $trace[1]['line'] ?? null;
$handleTraitFile = (new \ReflectionClass(HandleTrait::class))->getFileName();
$found = false;
for ($i = 1; $i < 8; ++$i) {
if (isset($trace[$i]['file'], $trace[$i + 1]['file'], $trace[$i + 1]['line']) && $trace[$i]['file'] === $handleTraitFile) {
$file = $trace[$i + 1]['file'];
$line = $trace[$i + 1]['line'];
$found = true;
break;
}
}
for ($i = 2; $i < 8 && !$found; ++$i) {
if (isset($trace[$i]['class'], $trace[$i]['function'])
&& 'dispatch' === $trace[$i]['function']
&& is_a($trace[$i]['class'], MessageBusInterface::class, true)
) {
$file = $trace[$i]['file'];
$line = $trace[$i]['line'];
while (++$i < 8) {
if (isset($trace[$i]['function'], $trace[$i]['file']) && empty($trace[$i]['class']) && !str_starts_with($trace[$i]['function'], 'call_user_func')) {
$file = $trace[$i]['file'];
$line = $trace[$i]['line'];
break;
}
}
break;
}
}
$name = str_replace('\\', '/', (string) $file);
return [
'name' => substr($name, strrpos($name, '/') + 1),
'file' => $file,
'line' => $line,
];
}
}