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<?php declare(strict_types=1); |
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namespace DaveRandom\LibLifxLan; |
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use DaveRandom\LibLifxLan\Header\Frame; |
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use DaveRandom\LibLifxLan\Header\FrameAddress; |
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use DaveRandom\LibLifxLan\Header\Header; |
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use DaveRandom\LibLifxLan\Header\ProtocolHeader; |
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use DaveRandom\LibLifxLan\Messages\Message; |
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use DaveRandom\Network\MacAddress; |
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final class Packet |
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{ |
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public const MESSAGE_ORIGIN = 0; |
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public const PROTOCOL_NUMBER = 1024; |
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private $header; |
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private $message; |
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private static function createFrameFromMessage(Message $message, int $sourceId, ?MacAddress $destination): Frame |
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{ |
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return new Frame( |
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Header::WIRE_SIZE + $message->getWireSize(), |
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self::MESSAGE_ORIGIN, |
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/* tagged */ $destination === null, |
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/* addressable */ true, |
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self::PROTOCOL_NUMBER, |
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$sourceId |
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); |
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} |
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private static function createFrameAddress(?MacAddress $destination, int $responsePattern, int $sequenceNo): FrameAddress |
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{ |
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return new FrameAddress( |
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$destination ?? new MacAddress(0, 0, 0, 0, 0, 0), |
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(bool)($responsePattern & ResponsePattern::REQUIRE_ACK), |
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(bool)($responsePattern & ResponsePattern::REQUIRE_RESPONSE), |
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$sequenceNo |
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); |
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} |
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public static function createFromMessage( |
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Message $message, |
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int $sourceId, |
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?MacAddress $destination, |
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int $sequenceNo, |
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int $responsePattern |
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): Packet |
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{ |
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$header = new Header( |
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self::createFrameFromMessage($message, $sourceId, $destination), |
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self::createFrameAddress($destination, $responsePattern, $sequenceNo), |
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new ProtocolHeader($message->getTypeId()) |
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); |
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return new Packet($header, $message); |
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} |
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public function __construct(Header $header, Message $message) |
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{ |
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$this->header = $header; |
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$this->message = $message; |
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} |
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public function getHeader(): Header |
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{ |
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return $this->header; |
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} |
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public function getMessage(): Message |
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{ |
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return $this->message; |
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} |
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} |
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