/**
* Creates a new connection with the specified options.
*
* @param resource $server A socket server, created with
* {@link stream_socket_server()}.
* @param float|null $timeout The timeout for the connection. Leaving this
* to NULL uses the default socket timeout.
*/
public function __construct($server, $timeout = null)
{
$this->streamType = '_SERVER';
if (!self::isStream($server)) {
throw $this->createException('Invalid server supplied.', 9);
}
$timeout = null == $timeout ? ini_get('default_socket_timeout') : $timeout;
set_error_handler(array($this, 'handleError'));
try {
parent::__construct(stream_socket_accept($server, $timeout, $peerName));
restore_error_handler();
$portString = strrchr($peerName, ':');
$this->peerPort = (int) substr($portString, 1);
$ipString = substr($peerName, 0, strlen($peerName) - strlen($portString));
if (strpos($ipString, '[') === 0 && strpos(strrev($ipString), ']') === 0) {
$ipString = substr($ipString, 1, strlen($ipString) - 2);
}
$this->peerIP = $ipString;
} catch (E $e) {
restore_error_handler();
throw $this->createException('Failed to initialize connection.', 10, $e);
}
}
/**
* Receives data from the server.
*
* Receives data from the server as a stream.
*
* @param int $length The number of bytes to receive.
* @param FilterCollection $filters A collection of filters to apply to the
* stream while receiving. Note that the filters will not be present on
* the stream after receiving is done.
* @param string $what Descriptive string about what is being
* received (used in exception messages).
*
* @return resource The received content.
*/
public function receiveStream($length, FilterCollection $filters = null, $what = 'stream data')
{
if (false === ($previousState = $this->lock(self::DIRECTION_RECEIVE)) && $this->persist) {
throw $this->createException('Unable to obtain receiving lock', 9);
}
try {
$result = parent::receiveStream($length, $filters, $what);
} catch (E $e) {
$this->lock($previousState, true);
throw $e;
}
$this->lock($previousState, true);
return $result;
}