protected function spawnProcess()
{
$processOptions = isset($this->options['processOptions']) ? $this->options['processOptions'] : [];
$process = clone $this->sourceProcess;
Factory::parent($process, $this->loop, $processOptions)->then(function (Messenger $messenger) {
Util::forwardEvents($messenger, $this, ['error']);
$this->pool->attach($messenger);
$this->readyPool->enqueue($messenger);
$this->emit('messenger', [$messenger, $this]);
}, function ($error) {
$this->emit('error', [$error, $this]);
});
}
/**
* Sets the event loop instance.
*
* @param \React\EventLoop\LoopInterface $loop
*
* @todo find some way to do a unit test for this method
*/
public function setLoop(LoopInterface $loop)
{
parent::setLoop($loop);
\React\Promise\Timer\timeout(MessengerFactory::parentFromClass('PSchwisow\\Phergie\\Plugin\\Karma\\ChildProcess', $loop), 10.0, $loop)->then(function (Messenger $messenger) use($loop) {
$this->logDebug('got a messenger');
$this->messenger = $messenger;
$messenger->on('error', function ($e) {
$this->logDebug('Error: ' . var_export($e, true));
});
$this->messenger->rpc(MessageFactory::rpc('config', $this->config))->then(function ($payload) {
$this->logDebug('configuration sent to child. Response: ' . var_export($payload, true));
});
}, function ($error) {
if ($error instanceof \React\Promise\Timer\TimeoutException) {
// the operation has failed due to a timeout
$this->logDebug('TIMEOUT');
} else {
// the input operation has failed due to some other error
$this->logDebug('OTHER ERROR');
}
});
}
protected function spawnProcessAtAddress($address)
{
$this->startingProcesses++;
unset($this->availableAddresses[$address]);
$processOptions = isset($this->options['processOptions']) ? $this->options['processOptions'] : [];
$process = $this->rebuildProcess($address);
Factory::parent($process, $this->loop, $processOptions)->then(function (Messenger $messenger) use($address) {
$this->startingProcesses--;
$this->pool->attach($messenger);
$this->readyPool->enqueue($messenger);
$this->emit('messenger', [$messenger, $this]);
$this->coreMessengerMapping[spl_object_hash($messenger)] = $address;
$messenger->on('exit', function () use($messenger, $address) {
$this->pool->detach($messenger);
$this->availableAddresses[$address] = $address;
unset($this->coreMessengerMapping[spl_object_hash($messenger)]);
$messengers = [];
while ($this->readyPool->count() > 0) {
$queuedMessenger = $this->readyPool->dequeue();
if ($queuedMessenger === $messenger) {
continue;
}
$messengers[] = $queuedMessenger;
}
array_walk($messengers, function (Messenger $messenger) {
$this->readyPool->enqueue($messenger);
});
if ($this->callQueue->count() > 0 && $this->readyPool->count() <= $this->options['min_size'] && $this->startingProcesses + $this->pool->count() < $this->options['max_size']) {
$this->spawnProcess();
}
});
}, function ($error) {
$this->startingProcesses--;
$this->emit('error', [$error, $this]);
});
}
/**
* @param LoopInterface $loop
* @param array $options
* @return PromiseInterface
* @throws \Exception
*/
public function __invoke(LoopInterface $loop, array $options)
{
return Factory::parent(clone $this->process, $loop, $options);
}
<?php
use React\EventLoop\Factory as LoopFactory;
use WyriHaximus\React\ChildProcess\Messenger\ArgvEncoder;
use WyriHaximus\React\ChildProcess\Messenger\Factory as MessengerFactory;
use WyriHaximus\React\ChildProcess\Messenger\Process;
foreach ([__DIR__ . '/../vendor/autoload.php', __DIR__ . '/../../../autoload.php'] as $file) {
if (file_exists($file)) {
require $file;
break;
}
}
$arguments = '';
if (isset($argv[1])) {
$arguments = $argv[1];
}
$loop = LoopFactory::create();
$messenger = MessengerFactory::child($loop, ArgvEncoder::decode($arguments));
Process::create($loop, $messenger);
$loop->run();
/**
* @param LoopInterface $loop
* @param array $options
* @return PromiseInterface
* @throws \Exception
*/
public function __invoke(LoopInterface $loop, array $options)
{
$options = array_merge($options, $this->overrideOptions);
return Factory::parentFromClass($this->className, $loop, $options);
}
