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, $this]);
});
}
protected function spawnProcessAtAddress($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);
}
