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<?php namespace React\Dns\Query; use React\Dns\Model\Message; /** * This class represents a single question in a query/response message * * It uses a structure similar to `\React\Dns\Message\Record`, but does not * contain fields for resulting TTL and resulting record data (IPs etc.). * * @link https://tools.ietf.org/html/rfc1035#section-4.1.2 * @see \React\Dns\Message\Record */ final class Query { /** * @var string query name, i.e. hostname to look up */ public $name; /** * @var int query type (aka QTYPE), see Message::TYPE_* constants */ public $type; /** * @var int query class (aka QCLASS), see Message::CLASS_IN constant */ public $class; /** * @param string $name query name, i.e. hostname to look up * @param int $type query type, see Message::TYPE_* constants * @param int $class query class, see Message::CLASS_IN constant */ public function __construct($name, $type, $class) { $this->name = $name; $this->type = $type; $this->class = $class; } /** * Describes the hostname and query type/class for this query * * The output format is supposed to be human readable and is subject to change. * The format is inspired by RFC 3597 when handling unkown types/classes. * * @return string "example.com (A)" or "example.com (CLASS0 TYPE1234)" * @link https://tools.ietf.org/html/rfc3597 */ public function describe() { $class = $this->class !== Message::CLASS_IN ? 'CLASS' . $this->class . ' ' : ''; $type = 'TYPE' . $this->type; $ref = new \ReflectionClass('React\Dns\Model\Message'); foreach ($ref->getConstants() as $name => $value) { if ($value === $this->type && \strpos($name, 'TYPE_') === 0) { $type = \substr($name, 5); break; } } return $this->name . ' (' . $class . $type . ')'; } }