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<?php |
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namespace Cassandra\Request; |
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use Cassandra\Protocol\Frame; |
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class Startup extends Request{ |
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protected $opcode = Frame::OPCODE_STARTUP; |
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/** |
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* |
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* @var array |
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*/ |
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protected $_options = []; |
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/** |
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* STARTUP |
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* |
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* Initialize the connection. The server will respond by either a READY message |
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* (in which case the connection is ready for queries) or an AUTHENTICATE message |
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* (in which case credentials will need to be provided using CREDENTIALS). |
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* |
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* This must be the first message of the connection, except for OPTIONS that can |
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* be sent before to find out the options supported by the server. Once the |
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* connection has been initialized, a client should not send any more STARTUP |
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* message. |
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* |
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* Possible options are: |
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* - "CQL_VERSION": the version of CQL to use. This option is mandatory and |
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* currenty, the only version supported is "3.0.0". Note that this is |
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* different from the protocol version. |
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* - "COMPRESSION": the compression algorithm to use for frames (See section 5). |
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* This is optional, if not specified no compression will be used. |
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* |
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* @param array $options |
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*/ |
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public function __construct(array $options = []) { |
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$this->_options = $options; |
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} |
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public function getBody(){ |
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$body = pack('n', count($this->_options)); |
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foreach ($this->_options as $name => $value) { |
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$body .= pack('n', strlen($name)) . $name; |
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$body .= pack('n', strlen($value)) . $value; |
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} |
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return $body; |
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} |
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} |
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duoshuo /
php-cassandra
