/**
* Change the target owner
* @param Deferred $deferred
* @param TaskInterface $task
* @return bool
*/
protected function processDeferred(Deferred $deferred, TaskInterface $task)
{
yield;
/** @var Description $description */
$description = $task->getDescription();
try {
$deferred->notify(new Notification("Changing '{$description->getTarget()}' owner to '{$description->getOwner()}'", Notification::PRIORITY_NORMAL));
if ($this->getFileSystem()->changeOwner($description->getTarget(), $description->getOwner())) {
$deferred->resolve("Changed '{$description->getTarget()}' owner to '{$description->getOwner()}' successfully");
return;
}
} catch (\Exception $e) {
// do noting, we reject below
$deferred->reject("Failed to change the owner of {$description->getTarget()}: " . $e->getMessage());
return;
}
$deferred->reject("Failed to change the owner of {$description->getTarget()} to {$description->getOwner()}");
}
private function executeRequest($method, $uri, $body = null)
{
$deferred = new Deferred();
$request = $this->client->request($method, $this->buildUrl($uri), array('Content-Length' => strlen($body), 'Authorization' => 'Basic ' . base64_encode($this->options['user'] . ':' . $this->options['password']), 'Content-Type' => 'application/json'));
$request->writeHead();
$request->on('error', function ($error) use($uri, $deferred) {
$deferred->reject(sprintf('Error while doing the request on %s : %s', $uri, $error->getMessage()));
});
$request->on('response', function (Response $response) use($deferred) {
if ($response->getCode() < 200 || $response->getCode() >= 400) {
$deferred->reject(sprintf('The response is not as expected (status code %s, message is %s)', $response->getCode(), $response->getReasonPhrase()));
}
$response->on('error', function ($error) use($deferred) {
$deferred->reject($error->getMessage());
});
$data = (object) array('data' => '');
$response->on('data', function ($chunk) use($data) {
$data->data .= $chunk;
});
$response->on('end', function () use($deferred, $data) {
$deferred->resolve($data->data);
});
});
$request->end($body);
return $deferred->promise();
}
protected function createInternalAsync($host, $docroot, $router)
{
$deferred = new Deferred();
$process = new BuiltinServer($host, $docroot, $router, $this->php);
$process->start($this->loop);
$process->on('exit', function ($code) use($deferred) {
$this->stderr->write("Process exit with code {$code}\n");
$deferred->reject();
});
$process->stdin->close();
$process->stdout->close();
$process->stderr->on('data', function ($output) use($deferred) {
$this->stderr->write($output);
$deferred->reject();
});
$timer = new Deferred();
$this->loop->addTimer(0.05, function () use($timer, $process) {
if (DIRECTORY_SEPARATOR === '\\') {
// Pipes opened by proc_open() can break stream_select() loop in Windows.
// This fix might do the trick...
$process->stderr->close();
}
$timer->resolve($process);
});
return \React\Promise\race([$deferred->promise(), $timer->promise()])->then(null, function () use($process) {
$process->terminate();
return new RejectedPromise();
});
}
public function doQuery($nameserver, $transport, $queryData, $name)
{
$parser = $this->parser;
$loop = $this->loop;
$response = new Message();
$deferred = new Deferred();
$retryWithTcp = function () use($nameserver, $queryData, $name) {
return $this->doQuery($nameserver, 'tcp', $queryData, $name);
};
$timer = $this->loop->addTimer($this->timeout, function () use(&$conn, $name, $deferred) {
$conn->close();
$deferred->reject(new TimeoutException(sprintf("DNS query for %s timed out", $name)));
});
$conn = $this->createConnection($nameserver, $transport);
$conn->on('data', function ($data) use($retryWithTcp, $conn, $parser, $response, $transport, $deferred, $timer) {
$responseReady = $parser->parseChunk($data, $response);
if (!$responseReady) {
return;
}
$timer->cancel();
if ($response->header->isTruncated()) {
if ('tcp' === $transport) {
$deferred->reject(new BadServerException('The server set the truncated bit although we issued a TCP request'));
} else {
$conn->end();
$deferred->resolve($retryWithTcp());
}
return;
}
$conn->end();
$deferred->resolve($response);
});
$conn->write($queryData);
return $deferred->promise();
}
public function doQuery($nameserver, $queryData, $name)
{
$that = $this;
$parser = $this->parser;
$loop = $this->loop;
$deferred = new Deferred(function ($_, $reject) use(&$conn, &$timer, $name) {
$conn->close();
$timer->cancel();
$reject(new \RuntimeException(sprintf("DNS query for %s cancelled", $name)));
});
$timer = $this->loop->addTimer($this->timeout, function () use(&$conn, $name, $deferred) {
$conn->close();
$deferred->reject(new TimeoutException(sprintf("DNS query for %s timed out", $name)));
});
$conn = $this->factory->createSender();
$conn->on('message', function ($data) use($conn, $parser, $deferred, $timer) {
$response = new Message();
$responseReady = $parser->parseChunk($data, $response);
$conn->close();
$timer->cancel();
if (!$responseReady) {
$deferred->reject(new BadServerException('Invalid response received'));
return;
}
if ($response->header->isTruncated()) {
$deferred->reject(new BadServerException('The server set the truncated bit although we issued a TCP request'));
return;
}
$deferred->resolve($response);
});
$conn->send($queryData, $nameserver);
return $deferred->promise();
}
/**
* @param $channel
* @param string $message
* @return DeferredPromise
*/
public function call($channel, $message)
{
$loop = LoopFactory::create();
$factory = new StompFactory($loop);
$client = $factory->createClient();
$deferred = new Deferred();
$timer = $loop->addTimer(2, function () use($deferred, $client) {
$client->disconnect();
$deferred->reject(new RpcTimeIsOutException());
});
$client->connect()->then(function (StompClient $client) use($message, $channel, $loop, $deferred, $timer) {
$rpcReceiver = function (Frame $frame) use($deferred, $timer, $client) {
$timer->cancel();
$client->disconnect();
try {
$deferred->resolve($frame);
} catch (\Exception $e) {
$deferred->reject($e);
}
};
$client->sendToTemp($channel, $message, [], $rpcReceiver);
}, function () use($deferred, $client) {
$client->disconnect();
$deferred->reject(new \RuntimeException('Error start rpc connection'));
});
$loop->run();
return $deferred->promise();
}
public function testHttpError()
{
$d = new Deferred();
$d->reject(new RuntimeException('error'));
$this->browser->expects($this->once())->method('get')->with($this->equalTo('http://a/path?key=mykey&hash=myhash&action=status'), array())->will($this->returnValue($d->promise()));
$this->expectPromiseReject($this->client->status());
}
/**
* {@inheritdoc}
*/
public function sendAsyncRequest(RequestInterface $request)
{
$requestStream = $this->buildReactRequest($request);
$deferred = new Deferred();
$requestStream->on('error', function (\Exception $error) use($deferred, $request) {
$deferred->reject(new RequestException($error->getMessage(), $request, $error));
});
$requestStream->on('response', function (ReactResponse $response = null) use($deferred, $requestStream, $request) {
$bodyStream = null;
$response->on('data', function ($data) use(&$bodyStream) {
if ($data instanceof StreamInterface) {
$bodyStream = $data;
} else {
$bodyStream->write($data);
}
});
$response->on('end', function (\Exception $error = null) use($deferred, $request, $response, &$bodyStream) {
$bodyStream->rewind();
$psr7Response = $this->messageFactory->createResponse($response->getCode(), $response->getReasonPhrase(), $response->getHeaders(), $bodyStream, $response->getVersion());
if (null !== $error) {
$deferred->reject(new HttpException($error->getMessage(), $request, $psr7Response, $error));
} else {
$deferred->resolve($psr7Response);
}
});
});
$requestStream->end((string) $request->getBody());
$promise = new ReactPromiseAdapter($deferred->promise());
$this->loop->run();
return $promise;
}
public function connect($timeout = 5)
{
if ($this->connectDeferred) {
return $this->connectDeferred->promise();
}
$this->connectionStatus = 'connecting';
$promise = new Deferred();
$client = $this;
$loop = $this->loop;
$this->connectDeferred = $promise;
$this->connectDeferred->then(function () use($client) {
$client->setConnectionStatus('connected');
});
$timer = $this->loop->addTimer($timeout, function () use($client, $promise) {
$promise->reject(new ConnectionException('Connection timeout'));
$client->resetConnectDeferred();
$client->setConnectionStatus('not-connected');
});
$this->on('connect', function ($client) use($timer, $promise) {
$timer->cancel();
$promise->resolve($client);
});
$frame = $this->packageCreator->connect($this->options['vhost'], $this->options['login'], $this->options['passcode']);
$this->output->sendFrame($frame);
return $this->connectDeferred->promise();
}
/**
* {@inheritdoc}
*/
public function sendAsyncRequest(RequestInterface $request)
{
$reactRequest = $this->buildReactRequest($request);
$deferred = new Deferred();
$reactRequest->on('error', function (\Exception $error) use($deferred, $request) {
$deferred->reject(new RequestException($error->getMessage(), $request, $error));
});
$reactRequest->on('response', function (ReactResponse $reactResponse = null) use($deferred, $reactRequest, $request) {
$bodyStream = $this->streamFactory->createStream();
$reactResponse->on('data', function ($data) use(&$bodyStream) {
$bodyStream->write((string) $data);
});
$reactResponse->on('end', function (\Exception $error = null) use($deferred, $request, $reactResponse, &$bodyStream) {
$response = $this->buildResponse($reactResponse, $bodyStream);
if (null !== $error) {
$deferred->reject(new HttpException($error->getMessage(), $request, $response, $error));
} else {
$deferred->resolve($response);
}
});
});
$reactRequest->end((string) $request->getBody());
$promise = new Promise($deferred->promise());
$promise->setLoop($this->loop);
return $promise;
}
public function loadEtcResolvConf($filename)
{
if (!file_exists($filename)) {
return When::reject(new \InvalidArgumentException("The filename for /etc/resolv.conf given does not exist: {$filename}"));
}
try {
$deferred = new Deferred();
$fd = fopen($filename, 'r');
stream_set_blocking($fd, 0);
$contents = '';
$stream = new Stream($fd, $this->loop);
$stream->on('data', function ($data) use(&$contents) {
$contents .= $data;
});
$stream->on('end', function () use(&$contents, $deferred) {
$deferred->resolve($contents);
});
$stream->on('error', function ($error) use($deferred) {
$deferred->reject($error);
});
return $deferred->promise();
} catch (\Exception $e) {
return When::reject($e);
}
}
/** @internal */
public function go(Process $process)
{
$this->deferred = $deferred = new Deferred();
$this->process = $process;
$buffered = null;
$process->stdout->on('data', function ($data) use(&$buffered) {
if ($data !== '') {
$buffered .= $data;
}
});
$process->on('exit', function ($code) use($deferred) {
if ($code !== 0) {
$deferred->reject($code);
} else {
$deferred->resolve();
}
});
$that = $this;
$this->promise = $deferred->promise()->then(function () use(&$buffered, $that) {
if ($buffered === null) {
$buffered = true;
} else {
$buffered = $that->parseValue(trim($buffered));
}
return $buffered;
});
}
/**
* @returns \React\Promise\Promise
*/
public function show()
{
$deferred = new Deferred();
$this->io->out('hello');
$deferred->reject(false);
return $deferred->promise();
}
/**
* {@inheritdoc}
*/
public function tick()
{
if (!$this->process->isRunning() && $this->outputBuffer->isEmpty()) {
usleep(1000);
if ($this->outputBuffer->isEmpty()) {
if ($this->process->isSuccessful()) {
$this->deferred->resolve(new MessageEvent($this, $this->process->getOutput()));
} else {
$this->deferred->reject(new MessageEvent($this, $this->process->getOutput()));
}
return;
}
}
if (!$this->outputBuffer->isEmpty()) {
$this->deferred->notify(new MessageEvent($this, $this->outputBuffer->dequeue()[1]));
}
}
protected function createPromiseRejected($value = null, $delay = 0.01)
{
$deferred = new Deferred();
$this->loop->addTimer($delay, function () use($deferred, $value) {
$deferred->reject($value);
});
return $deferred->promise();
}
public function __invoke($url, array $subProtocols = [], array $headers = [])
{
try {
$request = $this->generateRequest($url, $subProtocols, $headers);
} catch (\Exception $e) {
return new RejectedPromise($e);
}
$connector = 'wss' === substr($url, 0, 3) ? $this->_secureConnector : $this->_connector;
return $connector->create($request->getHost(), $request->getPort())->then(function (DuplexStreamInterface $stream) use($request, $subProtocols) {
$futureWsConn = new Deferred();
$buffer = '';
$headerParser = function ($data, DuplexStreamInterface $stream) use(&$headerParser, &$buffer, $futureWsConn, $request, $subProtocols) {
$buffer .= $data;
if (false == strpos($buffer, "\r\n\r\n")) {
return;
}
$stream->removeListener('data', $headerParser);
$response = Response::fromMessage($buffer);
if (101 !== $response->getStatusCode()) {
$futureWsConn->reject($response);
$stream->close();
return;
}
$acceptCheck = base64_encode(pack('H*', sha1($request->getHeader('Sec-WebSocket-Key') . RFC6455::GUID)));
if ((string) $response->getHeader('Sec-WebSocket-Accept') !== $acceptCheck) {
$futureWsConn->reject(new \DomainException("Could not verify Accept Key during WebSocket handshake"));
$stream->close();
return;
}
$acceptedProtocol = $response->getHeader('Sec-WebSocket-Protocol');
if ((count($subProtocols) > 0 || null !== $acceptedProtocol) && !in_array((string) $acceptedProtocol, $subProtocols)) {
$futureWsConn->reject(new \DomainException('Server did not respond with an expected Sec-WebSocket-Protocol'));
$stream->close();
return;
}
$futureWsConn->resolve(new WebSocket($stream, $response, $request));
$futureWsConn->promise()->then(function (WebSocket $conn) use($stream) {
$stream->emit('data', [$conn->response->getBody(), $stream]);
});
};
$stream->on('data', $headerParser);
$stream->write($request);
return $futureWsConn->promise();
});
}
/**
* create stream client socket connected to given address
*
* @param string $address
* @return PromiseInterface to return a \Sockets\Stream
* @uses RawFactory::createFromString()
* @uses RawSocket::setBlocking() to turn on non-blocking mode
* @uses RawSocket::connect() to initiate async connection
* @uses LoopInterface::addWriteStream() to wait for connection result once
* @uses RawSocket::assertAlive() to check connection result
*/
public function createClient($address)
{
$that = $this;
$factory = $this->rawFactory;
return $this->resolve($address)->then(function ($address) use($factory, $that) {
$deferred = new Deferred();
$socket = $factory->createFromString($address, $scheme);
if ($socket->getType() !== SOCK_STREAM) {
$socket->close();
throw new Exception('Not a stream address scheme');
}
$socket->setBlocking(false);
try {
// socket is nonblocking, so connect should emit EINPROGRESS
$socket->connect($address);
// socket is already connected immediately?
$deferred->resolve(new Connection($socket, $that->getSocketLoop()));
} catch (Exception $exception) {
if ($exception->getCode() === SOCKET_EINPROGRESS) {
// connection in progress => wait for the socket to become writable
$that->getSocketLoop()->addWriteStream($socket->getResource(), function ($resource, $loop) use($deferred, $socket) {
// only poll for writable event once
$loop->removeWriteStream($resource);
try {
// assert that socket error is 0 (no TCP RST received)
$socket->assertAlive();
} catch (Exception $e) {
// error returned => connected failed
$socket->close();
$deferred->reject(new Exception('Error while establishing connection', $e->getCode(), $e));
return;
}
// no error => connection established
$deferred->resolve(new Connection($socket, $loop));
});
} else {
// re-throw any other socket error
$socket->close();
$deferred->reject($exception);
}
}
return $deferred->promise();
});
}
protected function registerCancelTimer()
{
$this->cancel_timer = $this->loop->addTimer(0.5, function () {
if (false == $this->isAllNeedsProvided()) {
$this->deferred->reject();
}
echo "resolving by timer\n";
$this->deferred->resolve($this->response);
});
}
/**
* Installs a handler which rejects the given deferred on stream close/end
*
* All bytes read until the close/end event will be passed in to the rejection handler
* It will also remove all listeners defined in $listenrs from the stream.
*
* @param Stream $stream
* @param Deferred $deferred
* @param string &$buffer
* @param array &$listeners
*/
function _install_incomplete_read_handler(Stream $stream, Deferred $deferred, &$buffer, array &$listeners)
{
$handler = function (Stream $stream) use($deferred, &$buffer, &$listeners) {
_remove_listeners($stream, $listeners);
$deferred->reject($buffer);
};
$listeners['close'] = $handler;
$listeners['end'] = $handler;
$stream->on('close', $handler);
$stream->on('end', $handler);
}
public function testJsonRejectingPromiseWillEmitErrorAndCloseEvent()
{
$deferred = new Deferred();
$stream = $this->parser->parseJsonStream($deferred->promise());
$this->assertTrue($stream->isReadable());
$exception = new RuntimeException();
$stream->on('error', $this->expectCallableOnceWith($exception));
$stream->on('close', $this->expectCallableOnce());
$deferred->reject($exception);
$this->assertFalse($stream->isReadable());
}
public function soapCall($name, $args)
{
try {
$request = $this->encoder->encode($name, $args);
} catch (\Exception $e) {
$deferred = new Deferred();
$deferred->reject($e);
return $deferred->promise();
}
return $this->browser->send($request)->then(array($this, 'handleResponse'), array($this, 'handleError'));
}
public function create($host, $port)
{
$deferred = new Deferred();
$resource = @stream_socket_client($this->path, $errno, $errstr, 1.0);
if (!$resource) {
$deferred->reject(new RuntimeException('Unable to connect to unix domain socket path: ' . $errstr, $errno));
} else {
$deferred->resolve(new Stream($resource, $this->loop));
}
return $deferred->promise();
}
/**
* @param Route $route
* @return Promise|PromiseInterface
* @throws \InvalidArgumentException
*/
public function request(Route $route)
{
$deferred = new Deferred();
$request = $this->prepareRequest($this->gitter->token, $route);
$this->logRequest($request);
/** @var Promise $answer */
$answer = $this->client->send($request);
$answer->then(function (ResponseInterface $response) use($deferred) {
$this->logResponse($response);
$data = json_decode((string) $response->getBody(), true);
if (json_last_error() === JSON_ERROR_NONE) {
$deferred->resolve($data);
} else {
$deferred->reject(new \InvalidArgumentException(json_last_error_msg() . ': ' . $response->getBody()));
}
}, function (\Throwable $throwable) use($deferred) {
$deferred->reject($throwable);
});
return $deferred->promise();
}
/**
* @expectedException \OutOfBoundsException
*/
public function testThrowsWhenDerefFailure()
{
$called = false;
$deferred = new Deferred();
$f = new FutureValue($deferred->promise(), function () use(&$called) {
$called = true;
});
$deferred->reject(new \OutOfBoundsException());
$f->wait();
$this->assertFalse($called);
}
/**
* Create the API Request
*
* @param string $apiUrl
* @param Deferred $deferred
* @return Request
*/
public function getApiRequest($apiUrl, $deferred)
{
return new Request(['url' => $apiUrl, 'resolveCallback' => function ($data, $headers, $code) use($deferred) {
$cfps = $this->handleResponse($data, $headers, $code);
if ($cfps === false) {
$deferred->reject();
} else {
$deferred->resolve($cfps);
}
}, 'rejectCallback' => [$deferred, 'reject']]);
}
/**
* Execute the given $command string in this shell instance
*
* @param string $command
* @return Promise Promise<string> resolves with the command output or rejects with a RuntimeException
* @see self::setBounding()
*/
public function execute($command)
{
$deferred = new Deferred();
if ($this->ending) {
$deferred->reject(new RuntimeException('Shell is ending already'));
} else {
$this->pending[] = $deferred;
$this->sendCommand($command);
}
return $deferred->promise();
}
public function probe(Stream $stream, $compression = false, $encryption = false)
{
$magic = Protocol::MAGIC;
if ($compression) {
$magic |= Protocol::FEATURE_COMPRESSION;
}
if ($encryption) {
$magic |= Protocol::FEATURE_ENCRYPTION;
}
$binary = $this->binary;
$stream->write($binary->writeUInt32($magic));
// list of supported protocol types (in order of preference)
$types = array(Protocol::TYPE_DATASTREAM, Protocol::TYPE_LEGACY);
// last item should get an END marker
$last = array_pop($types);
$types[] = $last | Protocol::TYPELIST_END;
foreach ($types as $type) {
$stream->write($binary->writeUInt32($type));
}
$deferred = new Deferred(function ($resolve, $reject) use($stream) {
$reject(new \RuntimeException('Cancelled'));
});
$buffer = '';
$fn = function ($data) use(&$buffer, &$fn, $stream, $deferred, $binary) {
$buffer .= $data;
if (isset($buffer[4])) {
$stream->removeListener('data', $fn);
$deferred->reject(new \UnexpectedValueException('Expected 4 bytes response, received more data, is this a quassel core?', Prober::ERROR_PROTOCOL));
return;
}
if (isset($buffer[3])) {
$stream->removeListener('data', $fn);
$deferred->resolve($binary->readUInt32($buffer));
}
};
$stream->on('data', $fn);
$stream->on('close', function () use($deferred) {
$deferred->reject(new \RuntimeException('Stream closed, does this (old?) server support probing?', Prober::ERROR_CLOSED));
});
return $deferred->promise();
}
/**
* Make a directory as described in the task description
* @param Deferred $deferred
* @param TaskInterface $task
* @return bool
*/
protected function processDeferred(Deferred $deferred, TaskInterface $task)
{
yield;
/** @var Description $description */
$description = $task->getDescription();
$deferred->notify(new Notification("Moving '{$description->getFrom()}' to '{$description->getTo()}'", Notification::PRIORITY_NORMAL));
if ($this->getFileSystem()->move($description->getFrom(), $description->getTo())) {
$deferred->resolve("Moved '{$description->getFrom()}' to '{$description->getTo()}'");
return;
}
$deferred->reject("Could not move '{$description->getFrom()}' to '{$description->getTo()}'");
}
/**
* Check a file doesn't exist
* @param Deferred $deferred
* @param TaskInterface $task
* @return bool
*/
protected function processDeferred(Deferred $deferred, TaskInterface $task)
{
yield;
/** @var Description $description */
$description = $task->getDescription();
$deferred->notify(new Notification("Checking that file '{$description->getName()}' does not exist", Notification::PRIORITY_NORMAL));
if (!$this->getFileSystem()->isFile($description->getName())) {
$deferred->resolve("File '{$description->getName()}' does not exist");
return;
}
$deferred->reject("File '{$description->getName()}' exists");
}
/**
* Call curl_multi_add_handle().
* @param resource $ch
* @param Deferred $deferred
*/
private function addImmediate($ch, Deferred $deferred = null)
{
$errno = curl_multi_add_handle($this->mh, $ch);
if ($errno !== CURLM_OK) {
// @codeCoverageIgnoreStart
$msg = curl_multi_strerror($errno) . ": {$ch}";
$deferred && $deferred->reject(new \RuntimeException($msg));
return;
// @codeCoverageIgnoreEnd
}
$this->added[(string) $ch] = $ch;
$deferred && ($this->deferreds[(string) $ch] = $deferred);
}