/** * {@inheritdoc} */ public function handle(CompositeConnectionInterface $connection, $payload) { $length = (int) $payload; if ("{$length}" !== $payload) { CommunicationException::handle(new ProtocolException($connection, "Cannot parse '{$payload}' as a valid length for a bulk response.")); } if ($length >= 0) { return substr($connection->readBuffer($length + 2), 0, -2); } if ($length == -1) { return; } CommunicationException::handle(new ProtocolException($connection, "Value '{$payload}' is not a valid length for a bulk response.")); return; }
/** * {@inheritdoc} */ public function read(CompositeConnectionInterface $connection) { $chunk = $connection->readLine(); $prefix = $chunk[0]; $payload = substr($chunk, 1); switch ($prefix) { case '+': return new StatusResponse($payload); case '$': $size = (int) $payload; if ($size === -1) { return; } return substr($connection->readBuffer($size + 2), 0, -2); case '*': $count = (int) $payload; if ($count === -1) { return; } if ($this->mbiterable) { return new MultiBulkIterator($connection, $count); } $multibulk = array(); for ($i = 0; $i < $count; ++$i) { $multibulk[$i] = $this->read($connection); } return $multibulk; case ':': return (int) $payload; case '-': return new ErrorResponse($payload); default: CommunicationException::handle(new ProtocolException($connection, "Unknown response prefix: '{$prefix}'.")); return; } }