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<?php |
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namespace Tarantool\Client\Connection; |
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use Tarantool\Client\Exception\ConnectionException; |
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use Tarantool\Client\IProto; |
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use Tarantool\Client\Packer\PackUtils; |
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class StreamConnection implements Connection |
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{ |
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const DEFAULT_URI = 'tcp://127.0.0.1:3301'; |
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private $uri; |
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private $options = [ |
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'connect_timeout' => 10.0, |
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'socket_timeout' => 10.0, |
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]; |
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private $stream; |
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public function __construct($uri = null, array $options = null) |
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{ |
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$this->uri = null === $uri ? self::DEFAULT_URI : $uri; |
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if ($options) { |
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$this->options = $options + $this->options; |
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} |
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} |
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public function open() |
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{ |
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$this->close(); |
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$stream = @stream_socket_client($this->uri, $errorCode, $errorMessage, (float) $this->options['connect_timeout']); |
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if (false === $stream) { |
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throw new ConnectionException(sprintf('Unable to connect to %s: %s.', $this->uri, $errorMessage)); |
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} |
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$this->stream = $stream; |
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stream_set_timeout($this->stream, $this->options['socket_timeout']); |
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$greeting = $this->read(IProto::GREETING_SIZE, 'Unable to read greeting.'); |
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return IProto::parseGreeting($greeting); |
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} |
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public function close() |
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{ |
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if ($this->stream) { |
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fclose($this->stream); |
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$this->stream = null; |
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} |
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} |
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public function isClosed() |
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{ |
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return null === $this->stream; |
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} |
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public function send($data) |
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{ |
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if (!fwrite($this->stream, $data)) { |
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throw new ConnectionException('Unable to write request.'); |
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} |
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$length = $this->read(IProto::LENGTH_SIZE, 'Unable to read response length.'); |
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$length = PackUtils::unpackLength($length); |
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return $this->read($length, 'Unable to read response.'); |
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} |
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private function read($length, $errorMessage) |
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{ |
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if ($data = stream_get_contents($this->stream, $length)) { |
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return $data; |
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} |
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$meta = stream_get_meta_data($this->stream); |
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throw new ConnectionException($meta['timed_out'] ? 'Read timed out.' : $errorMessage); |
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} |
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} |
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tarantool-php /
client
