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<?php |
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namespace Tarantool\Client; |
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use Tarantool\Client\Connection\Connection; |
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use Tarantool\Client\Exception\Exception; |
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use Tarantool\Client\Packer\Packer; |
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use Tarantool\Client\Packer\PeclPacker; |
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use Tarantool\Client\Request\AuthenticateRequest; |
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use Tarantool\Client\Request\CallRequest; |
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use Tarantool\Client\Request\EvaluateRequest; |
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use Tarantool\Client\Request\PingRequest; |
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use Tarantool\Client\Request\Request; |
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use Tarantool\Client\Schema\Index; |
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use Tarantool\Client\Schema\Space; |
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class Client |
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{ |
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private $connection; |
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private $packer; |
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private $salt; |
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private $username; |
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private $password; |
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private $spaces = []; |
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/** |
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* @param Connection $connection |
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* @param Packer|null $packer |
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*/ |
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public function __construct(Connection $connection, Packer $packer = null) |
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{ |
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$this->connection = $connection; |
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$this->packer = $packer ?: new PeclPacker(); |
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} |
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public function getConnection() |
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{ |
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return $this->connection; |
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} |
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public function connect() |
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{ |
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$this->salt = $this->connection->open(); |
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if ($this->username) { |
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$this->authenticate($this->username, $this->password); |
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} |
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} |
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public function disconnect() |
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{ |
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$this->connection->close(); |
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$this->salt = null; |
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} |
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public function isDisconnected() |
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{ |
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return $this->connection->isClosed() || !$this->salt; |
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} |
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public function authenticate($username, $password = null) |
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{ |
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if ($this->isDisconnected()) { |
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$this->salt = $this->connection->open(); |
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} |
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$request = new AuthenticateRequest($this->salt, $username, $password); |
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$response = $this->sendRequest($request); |
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$this->username = $username; |
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$this->password = $password; |
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$this->flushSpaces(); |
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return $response; |
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} |
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public function ping() |
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{ |
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$request = new PingRequest(); |
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return $this->sendRequest($request); |
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} |
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/** |
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* @param string|int $space |
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* |
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* @return Space |
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*/ |
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public function getSpace($space) |
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{ |
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if (isset($this->spaces[$space])) { |
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return $this->spaces[$space]; |
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} |
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if (!is_string($space)) { |
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return $this->spaces[$space] = new Space($this, $space); |
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} |
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$spaceId = $this->getSpaceIdByName($space); |
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return $this->spaces[$space] = $this->spaces[$spaceId] = new Space($this, $spaceId); |
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} |
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public function call($funcName, array $args = []) |
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{ |
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$request = new CallRequest($funcName, $args); |
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return $this->sendRequest($request); |
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} |
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public function evaluate($expr, array $args = []) |
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{ |
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$request = new EvaluateRequest($expr, $args); |
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return $this->sendRequest($request); |
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} |
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public function flushSpaces() |
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{ |
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$this->spaces = []; |
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} |
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public function sendRequest(Request $request) |
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{ |
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if ($this->connection->isClosed()) { |
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$this->connect(); |
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} |
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$data = $this->packer->pack($request); |
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$data = $this->connection->send($data); |
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return $this->packer->unpack($data); |
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} |
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private function getSpaceIdByName($spaceName) |
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{ |
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$schema = $this->getSpace(Space::VSPACE); |
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$response = $schema->select([$spaceName], Index::SPACE_NAME); |
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$data = $response->getData(); |
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if (empty($data)) { |
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throw new Exception("Space '$spaceName' does not exist"); |
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} |
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return $data[0][0]; |
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} |
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} |
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tarantool-php /
client
