79 lines
2.2 KiB
PHP

<?php
/*
*
* ____ _ _ __ __ _ __ __ ____
* | _ \ ___ ___| | _____| |_| \/ (_)_ __ ___ | \/ | _ \
* | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
* | __/ (_) | (__| < __/ |_| | | | | | | | __/_____| | | | __/
* |_| \___/ \___|_|\_\___|\__|_| |_|_|_| |_|\___| |_| |_|_|
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* @author PocketMine Team
* @link http://www.pocketmine.net/
*
*
*/
declare(strict_types=1);
namespace pocketmine\network\mcpe\protocol\serializer;
use pocketmine\network\mcpe\protocol\Packet;
use pocketmine\network\mcpe\protocol\PacketDecodeException;
use pocketmine\network\mcpe\protocol\PacketPool;
use pocketmine\utils\BinaryDataException;
class PacketBatch{
/** @var string */
private $buffer;
public function __construct(string $buffer){
$this->buffer = $buffer;
}
/**
* @return \Generator|Packet[]
* @phpstan-return \Generator<int, Packet, void, void>
* @throws PacketDecodeException
*/
public function getPackets(PacketPool $packetPool, int $max) : \Generator{
$serializer = new PacketSerializer($this->buffer);
for($c = 0; $c < $max and !$serializer->feof(); ++$c){
try{
yield $c => $packetPool->getPacket($serializer->getString());
}catch(BinaryDataException $e){
throw new PacketDecodeException("Error decoding packet $c of batch: " . $e->getMessage(), 0, $e);
}
}
if(!$serializer->feof()){
throw new PacketDecodeException("Reached limit of $max packets in a single batch");
}
}
/**
* Constructs a packet batch from the given list of packets.
*
* @param Packet ...$packets
*
* @return PacketBatch
*/
public static function fromPackets(Packet ...$packets) : self{
$serializer = new PacketSerializer();
foreach($packets as $packet){
$packet->encode();
$serializer->putString($packet->getSerializer()->getBuffer());
}
return new self($serializer->getBuffer());
}
public function getBuffer() : string{
return $this->buffer;
}
}