public function toggle(Stream $stream, $toggle)
{
if ($stream instanceof SecureStream) {
$stream = $stream->getDecorating();
}
// pause actual stream instance to continue operation on raw stream socket
$stream->pause();
// TODO: add write() event to make sure we're not sending any excessive data
$deferred = new Deferred();
// get actual stream socket from stream instance
$socket = $stream->getStream();
$toggleCrypto = function () use($socket, $deferred, $toggle) {
$this->toggleCrypto($socket, $deferred, $toggle);
};
$this->loop->addReadStream($socket, $toggleCrypto);
$toggleCrypto();
return $deferred->promise()->then(function () use($stream, $toggle) {
if ($toggle && $this->wrapSecure) {
return new SecureStream($stream, $this->loop);
}
$stream->resume();
return $stream;
}, function ($error) use($stream) {
$stream->resume();
throw $error;
});
}
/**
* @inheritdoc
*/
public function resume() : self
{
if ($this->isReadable()) {
$this->loop->addReadStream($this->stream, [$this, 'handleData']);
}
return $this;
}
/**
* {@inheritDoc}
*/
public function listen(int $port, string $host = '127.0.0.1')
{
if (strpos($host, ':') !== false) {
// enclose IPv6 addresses in square brackets before appending port
$host = '[' . $host . ']';
}
$this->socket = @stream_socket_server("tcp://{$host}:{$port}", $errno, $errstr);
if (false === $this->socket) {
$message = sprintf('Could not bind to tcp://%s:%s: %s', $host, $port, $errstr);
throw new ConnectionException($message, $errno);
}
stream_set_blocking($this->socket, 0);
$this->loop->addReadStream($this->socket, function ($master) {
$newSocket = @stream_socket_accept($master, 0);
if (false === $newSocket) {
$this->emit('error', [new \RuntimeException('Error accepting new connection')]);
return;
}
$this->handleConnection($newSocket);
});
}