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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace AqwSocketClient; |
| 6 | |
| 7 | /** |
| 8 | * Represents a packet of data to be sent to an AQW server. |
| 9 | * |
| 10 | * This class handles packet creation and ensures proper formatting by appending |
| 11 | * the null terminator character to the raw data. It also provides methods to |
| 12 | * extract the raw packet data. |
| 13 | */ |
| 14 | final class Packet |
| 15 | { |
| 16 | /** |
| 17 | * @param string $data The raw data of the packet. |
| 18 | */ |
| 19 | private function __construct( |
| 20 | private readonly string $data, |
| 21 | ) {} |
| 22 | |
| 23 | /** |
| 24 | * Creates a packet from raw string data. |
| 25 | * |
| 26 | * Appends the null terminator to the end of the string to conform with |
| 27 | * AQW server protocol requirements. |
| 28 | * |
| 29 | * @param string $data The raw data to be packetified. |
| 30 | * @return Packet The newly created packet. |
| 31 | */ |
| 32 | public static function packetify(string $data): Packet |
| 33 | { |
| 34 | return new self($data . "\u{0000}"); |
| 35 | } |
| 36 | |
| 37 | /** |
| 38 | * Returns the raw data of the packet. |
| 39 | * |
| 40 | * @return string The packet's data including the null terminator. |
| 41 | */ |
| 42 | public function unpacketify(): string |
| 43 | { |
| 44 | return $this->data; |
| 45 | } |
| 46 | } |