ConnectionRequestAccepted.php

<?php
 
/*
 * This file is part of RakLib.
 * Copyright (C) 2014-2022 PocketMine Team <https://github.com/pmmp/RakLib>
 *
 * RakLib is not affiliated with Jenkins Software LLC nor RakNet.
 *
 * RakLib is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 */
 
declare(strict_types=1);
 
namespace raklib\protocol;
 
use raklib\RakLib;
use raklib\utils\InternetAddress;
use function strlen;
 
class ConnectionRequestAccepted extends ConnectedPacket{
    public static $ID = MessageIdentifiers::ID_CONNECTION_REQUEST_ACCEPTED;
 
    public InternetAddress $address;
    public array $systemAddresses = [];
    public int $sendPingTime;
    public int $sendPongTime;
 
    public static function create(InternetAddress $clientAddress, array $systemAddresses, int $sendPingTime, int $sendPongTime) : self{
        $result = new self;
        $result->address = $clientAddress;
        $result->systemAddresses = $systemAddresses;
        $result->sendPingTime = $sendPingTime;
        $result->sendPongTime = $sendPongTime;
        return $result;
    }
 
    public function __construct(){
        $this->systemAddresses[] = new InternetAddress("127.0.0.1", 0, 4);
    }
 
    protected function encodePayload(PacketSerializer $out) : void{
        $out->putAddress($this->address);
        $out->putShort(0);
 
        $dummy = new InternetAddress("0.0.0.0", 0, 4);
        for($i = 0; $i < RakLib::$SYSTEM_ADDRESS_COUNT; ++$i){
            $out->putAddress($this->systemAddresses[$i] ?? $dummy);
        }
 
        $out->putLong($this->sendPingTime);
        $out->putLong($this->sendPongTime);
    }
 
    protected function decodePayload(PacketSerializer $in) : void{
        $this->address = $in->getAddress();
        $in->getShort(); //TODO: check this
 
        $len = strlen($in->getBuffer());
        $dummy = new InternetAddress("0.0.0.0", 0, 4);
 
        for($i = 0; $i < RakLib::$SYSTEM_ADDRESS_COUNT; ++$i){
            $this->systemAddresses[$i] = $in->getOffset() + 16 < $len ? $in->getAddress() : $dummy; //HACK: avoids trying to read too many addresses on bad data
        }
 
        $this->sendPingTime = $in->getLong();
        $this->sendPongTime = $in->getLong();
    }
}