/**
* Called when the output pipe becomes writable.
*
* This should only be called by the event loop.
*
* @param \EvIo $watcher
* @param integer $revents
* @return void
*/
public function _onReceiverOutWritable(\EvIo $watcher, $revents)
{
// Get the first item in the response queue.
$data = array_shift($this->response_queue);
// Stop the watcher if the queue is empty.
if (!$data) {
return $watcher->stop();
}
// Write the data to the output pipe.
$this->pipeline->send($data . PHP_EOL);
}
/**
* Called whtn the child's output FIFO becomes readable to receive RPC repsonses.
*
* This should only be called by the event loop.
*
* @param \EvIo $watcher
* @param integer $revents
* @return void
*/
public function _onReceiverOutReadable(\EvIo $watcher, $revents)
{
// Check we're still receiving any data.
while ($data = $this->pipeline->receive()) {
// Check we've receieved an actual response.
if (empty($data)) {
continue;
}
$rpc_processed = unserialize($data);
if (!$rpc_processed instanceof Rpc) {
continue;
}
// Add to processed RPC queue waiting to be resolved.
$this->inventory->receiveProcessed($rpc_processed);
}
// Stop if we have no more requests pending and there is no data incoming.
if (!$this->inventory->hasWaiting()) {
return $watcher->stop();
}
}
