/**
* Waits for a frame from the server
*
* @param int $timeout
* @return array
* @throws Exception
* @throws PhpAmqpLib_Exception_AMQPTimeoutException
* @throws PhpAmqpLib_Exception_AMQPRuntimeException
*/
protected function wait_frame($timeout = 0)
{
if (is_null($this->input)) {
$this->setIsConnected(false);
throw new PhpAmqpLib_Exception_AMQPRuntimeException('Broken pipe or closed connection');
}
$currentTimeout = $this->input->getTimeout();
$this->input->setTimeout($timeout);
try {
// frame_type + channel_id + size
$this->wait_frame_reader->reuse($this->input->read(PhpAmqpLib_Wire_AMQPReader::OCTET + PhpAmqpLib_Wire_AMQPReader::SHORT + PhpAmqpLib_Wire_AMQPReader::LONG));
$frame_type = $this->wait_frame_reader->read_octet();
$channel = $this->wait_frame_reader->read_short();
$size = $this->wait_frame_reader->read_long();
// payload + ch
$this->wait_frame_reader->reuse($this->input->read(PhpAmqpLib_Wire_AMQPReader::OCTET + (int) $size));
$payload = $this->wait_frame_reader->read($size);
$ch = $this->wait_frame_reader->read_octet();
} catch (PhpAmqpLib_Exception_AMQPTimeoutException $e) {
$this->input->setTimeout($currentTimeout);
throw $e;
}
$this->input->setTimeout($currentTimeout);
if ($ch != 0xce) {
throw new PhpAmqpLib_Exception_AMQPRuntimeException(sprintf('Framing error, unexpected byte: %x', $ch));
}
return array($frame_type, $channel, $payload);
}