/**
* Create a new receiver.
*
* @param \Spawn\Process $process The process singleton.
* @param string $class_name The class to instantiate.
* @param array $arguments The arguments to pass to the class constructor.s
* @param string The path of this process' FIFO input pipe.
* @param string The path of this process' FIFO output pipe.
*/
public function __construct(\Spawn\Process $process, \Spawn\Pipeline $pipeline, $class_name, $arguments)
{
$this->process = $process;
$this->pipeline = $pipeline;
// Create instance of passed class.
$reflection = new \ReflectionClass($class_name);
$this->instance = $reflection->newInstanceArgs($arguments);
// Initialise I/O queues.
$this->rpc_queue = array();
$this->response_queue = array();
// Initialise I/O watchers.
$pipeline->openInChild();
$loop = $this->process->loop;
$this->watchers = array($loop->io($pipeline->request_fd, \Ev::READ, array($this, '_onReceiverInReadable')), $loop->io($pipeline->response_fd, \Ev::WRITE, array($this, '_onReceiverOutWritable')), $loop->idle(array($this, '_onIdle')));
}
/**
* Create a new actor which represents an object running in another process.
*
* @param \Spawn\Process $process The process this actor resides in.
* @param integer $pid The PID of the process where the object resides.
* @param string $input_fifo_path The path to the input pipe of the process the object resides in.
* @param string $output_fifo_path The path to the output pipe of the process the object resides in.
*/
public function __construct(\Spawn\Process $process, \Spawn\Pipeline $pipeline, $pid)
{
// Initialise actor state.
$this->id = uniqid();
$this->pid = $pid;
$this->process = $process;
$this->pipeline = $pipeline;
$this->status = self::STATUS_ALIVE;
// Initialise RPC queues.
$this->inventory = new RpcInventory();
// Initialise I/O watchers.
$pipeline->openInParent();
$loop = $this->process->loop;
$this->watchers = array($loop->io($pipeline->request_fd, \Ev::WRITE, array($this, '_onReceiverInWritable')), $loop->io($pipeline->response_fd, \Ev::READ, array($this, '_onReceiverOutReadable')), $loop->child($this->pid, true, array($this, '_onChild')));
// Stop the watchers before we do anything else.
// This somehow prevents random race conditions happening.
foreach ($this->watchers as $watcher) {
$watcher->stop();
}
}
