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<?php |
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/** |
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* Plasma Driver MySQL component |
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* Copyright 2018 PlasmaPHP, All Rights Reserved |
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* |
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* Website: https://github.com/PlasmaPHP |
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* License: https://github.com/PlasmaPHP/driver-mysql/blob/master/LICENSE |
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*/ |
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namespace Plasma\Drivers\MySQL\Messages; |
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/** |
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* Represents a Ok Response Message. |
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* @internal |
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*/ |
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class OkResponseMessage implements \Plasma\Drivers\MySQL\Messages\MessageInterface { |
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/** |
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* Count of affected rows by the last query. |
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* @var int |
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*/ |
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public $affectedRows; |
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/** |
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* Last inserted ID by the last `INSERT` query. |
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* @var int |
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*/ |
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public $lastInsertedID; |
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/** |
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* The server status flags. |
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* @var int |
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* @see \Plasma\Drivers\MySQL\StatusFlags |
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*/ |
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public $statusFlags; |
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/** |
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* Count of warnings. |
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* @var int |
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*/ |
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public $warningsCount; |
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/** |
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* Server session information, if any. |
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* @var string|null |
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*/ |
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public $sessionInfo; |
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/** |
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* Server session state changes, if any. |
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* @var string|null |
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*/ |
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public $sessionStateChanges; |
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/** |
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* Human readable status information, if any. |
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* @var string|null |
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*/ |
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public $info; |
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/** |
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* @var \Plasma\Drivers\MySQL\ProtocolParser |
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*/ |
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protected $parser; |
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/** |
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* Constructor. |
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* @param \Plasma\Drivers\MySQL\ProtocolParser $parser |
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*/ |
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function __construct(\Plasma\Drivers\MySQL\ProtocolParser $parser) { |
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$this->parser = $parser; |
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} |
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/** |
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* Get the identifier for the packet. |
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* @return string |
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*/ |
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static function getID(): string { |
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return "\x00"; |
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} |
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/** |
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* Parses the message, once the complete string has been received. |
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* Returns false if not enough data has been received, or the remaining buffer. |
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* @param string $buffer |
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* @return string|bool |
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* @throws \Plasma\Drivers\MySQL\Messages\ParseException |
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*/ |
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function parseMessage(string $buffer) { |
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$nameLength = \strpos($buffer, "\x00"); |
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if($nameLength === false) { |
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return false; |
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} |
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$affectedRows = \Plasma\Drivers\MySQL\Messages\MessageUtility::readIntLength($buffer); |
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$lastInsertedID = \Plasma\Drivers\MySQL\Messages\MessageUtility::readIntLength($buffer); |
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$handshake = $this->parser->getHandshakeMessage(); |
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if(!$handshake) { |
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throw new \Plasma\Drivers\MySQL\Messages\ParseException('No handshake message when receiving ok response packet'); |
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} |
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$statusFlags = \Plasma\Drivers\MySQL\Messages\MessageUtility::readInt2($buffer); |
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$warningsCount = \Plasma\Drivers\MySQL\Messages\MessageUtility::readInt2($buffer); |
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if(($handshake->capability & \Plasma\Drivers\MySQL\CapabilityFlags::CLIENT_SESSION_TRACK) !== 0) { |
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$sessionInfo = \Plasma\Drivers\MySQL\Messages\MessageUtility::readStringLength($buffer); |
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if(($statusFlags & \Plasma\Drivers\MySQL\StatusFlags::SERVER_SESSION_STATE_CHANGED) !== 0) { |
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$sessionStateChanges = \Plasma\Drivers\MySQL\Messages\MessageUtility::readStringLength($buffer); |
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} else { |
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$sessionStateChanges = null; |
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} |
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$info = null; |
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} else { |
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$sessionInfo = null; |
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$sessionStateChanges = null; |
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$info = $buffer; |
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} |
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$this->affectedRows = $affectedRows; |
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$this->lastInsertedID = $lastInsertedID; |
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$this->statusFlags = $statusFlags; |
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$this->warningsCount = $warningsCount; |
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$this->sessionInfo = $sessionInfo; |
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$this->sessionStateChanges = $sessionStateChanges; |
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$this->info = $info; |
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return $buffer; |
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} |
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/** |
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* Get the parser which created this message. |
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* @return \Plasma\Drivers\MySQL\ProtocolParser |
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*/ |
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function getParser(): \Plasma\Drivers\MySQL\ProtocolParser { |
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return $this->parser; |
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} |
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/** |
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* Sets the parser state, if necessary. If not, return `-1`. |
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* @return int |
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*/ |
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function setParserState(): int { |
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return \Plasma\Drivers\MySQL\ProtocolParser::STATE_OK; |
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} |
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} |
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PlasmaPHP /
driver-mysql
