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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of Badcow DNS Library. |
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* |
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* (c) Samuel Williams <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Badcow\DNS\Rdata; |
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use Badcow\DNS\Parser\StringIterator; |
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use Badcow\DNS\Parser\Tokens; |
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/** |
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* @see https://tools.ietf.org/html/rfc1035#section-3.3.2 |
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*/ |
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class HINFO implements RdataInterface |
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{ |
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1 |
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use RdataTrait; |
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const TYPE = 'HINFO'; |
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const TYPE_CODE = 13; |
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/** |
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* @var string|null |
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*/ |
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private $cpu; |
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/** |
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* @var string|null |
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*/ |
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private $os; |
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public function setCpu(?string $cpu): void |
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{ |
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$this->cpu = $cpu; |
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} |
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/** |
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* @return string |
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*/ |
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public function getCpu(): ?string |
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{ |
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return $this->cpu; |
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} |
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public function setOs(?string $os): void |
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{ |
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$this->os = $os; |
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} |
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/** |
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* @return string |
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*/ |
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public function getOs(): ?string |
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{ |
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return $this->os; |
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} |
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public function toText(): string |
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{ |
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return sprintf('"%s" "%s"', $this->cpu ?? '', $this->os ?? ''); |
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} |
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public function toWire(): string |
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{ |
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return $this->toText(); |
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} |
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public function fromWire(string $rdata, int &$offset = 0, ?int $rdLength = null): void |
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{ |
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$this->fromText(substr($rdata, $offset, $rdLength ?? strlen($rdata))); |
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$offset += $rdLength; |
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} |
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public function fromText(string $text): void |
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{ |
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$string = new StringIterator($text); |
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$this->setCpu(self::extractText($string)); |
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$this->setOs(self::extractText($string)); |
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} |
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private static function extractText(StringIterator $string): string |
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{ |
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$txt = new StringIterator(); |
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if ($string->is(Tokens::DOUBLE_QUOTES)) { |
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TXT::handleTxt($string, $txt); |
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$string->next(); |
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} else { |
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while ($string->isNot(Tokens::SPACE) && $string->valid()) { |
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$txt->append($string->current()); |
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$string->next(); |
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} |
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} |
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if ($string->is(Tokens::SPACE)) { |
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$string->next(); |
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} |
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return (string) $txt; |
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} |
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} |
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Badcow /
DNS
