readBuffer() public method

 @param int $length Number of bytes to read from the connection.
public readBuffer ( integer $length ) : string
$length integer
return string
Exemplo n.º 1
0
 /**
  * {@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 ($length == -1) {
         return null;
     }
     CommunicationException::handle(new ProtocolException($connection, "Value '{$payload}' is not a valid length for a bulk response."));
     return;
 }
Exemplo n.º 2
0
 /**
  * {@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 ':':
             $integer = (int) $payload;
             return $integer == $payload ? $integer : $payload;
         case '-':
             return new ErrorResponse($payload);
         default:
             CommunicationException::handle(new ProtocolException($connection, "Unknown response prefix: '{$prefix}' [{$connection->getParameters()}]"));
             return;
     }
 }