public function handle($address, $port, $packet)
{
$offset = 2;
$packetType = ord($packet[$offset++]);
$sessionID = Binary::readInt(substr($packet, $offset, 4));
$offset += 4;
$payload = substr($packet, $offset);
switch ($packetType) {
case self::HANDSHAKE:
//Handshake
$reply = chr(self::HANDSHAKE);
$reply .= Binary::writeInt($sessionID);
$reply .= self::getTokenString($this->token, $address) . "";
$this->server->getNetwork()->sendPacket($address, $port, $reply);
break;
case self::STATISTICS:
//Stat
$token = Binary::readInt(substr($payload, 0, 4));
if ($token !== self::getTokenString($this->token, $address) and $token !== self::getTokenString($this->lastToken, $address)) {
break;
}
$reply = chr(self::STATISTICS);
$reply .= Binary::writeInt($sessionID);
if ($this->timeout < microtime(true)) {
$this->regenerateInfo();
}
if (strlen($payload) === 8) {
$reply .= $this->longData;
} else {
$reply .= $this->shortData;
}
$this->server->getNetwork()->sendPacket($address, $port, $reply);
break;
}
}
public function doSlowCleanUp()
{
for ($i = 0; $i < 1024; ++$i) {
if ($this->locationTable[$i][0] === 0 or $this->locationTable[$i][1] === 0) {
continue;
}
fseek($this->filePointer, $this->locationTable[$i][0] << 12);
$chunk = fread($this->filePointer, $this->locationTable[$i][1] << 12);
$length = Binary::readInt(substr($chunk, 0, 4));
if ($length <= 1) {
$this->locationTable[$i] = [0, 0, 0];
//Non-generated chunk, remove it from index
}
try {
$chunk = zlib_decode(substr($chunk, 5));
} catch (\Exception $e) {
$this->locationTable[$i] = [0, 0, 0];
//Corrupted chunk, remove it
continue;
}
$chunk = chr(self::COMPRESSION_ZLIB) . zlib_encode($chunk, ZLIB_ENCODING_DEFLATE, 9);
$chunk = Binary::writeInt(strlen($chunk)) . $chunk;
$sectors = (int) ceil(strlen($chunk) / 4096);
if ($sectors > $this->locationTable[$i][1]) {
$this->locationTable[$i][0] = $this->lastSector + 1;
$this->lastSector += $sectors;
}
fseek($this->filePointer, $this->locationTable[$i][0] << 12);
fwrite($this->filePointer, str_pad($chunk, $sectors << 12, "", STR_PAD_RIGHT));
}
$this->writeLocationTable();
$n = $this->cleanGarbage();
$this->writeLocationTable();
return $n;
}
public function processBatch(BatchPacket $packet, Player $p)
{
$str = zlib_decode($packet->payload, 1024 * 1024 * 64);
//Max 64MB
$len = strlen($str);
$offset = 0;
try {
while ($offset < $len) {
$pkLen = Binary::readInt(substr($str, $offset, 4));
$offset += 4;
$buf = substr($str, $offset, $pkLen);
$offset += $pkLen;
if (($pk = $this->getPacket(ord($buf[0]))) !== null) {
if ($pk::NETWORK_ID === Info::BATCH_PACKET) {
throw new \InvalidStateException("Invalid BatchPacket inside BatchPacket");
}
$pk->setBuffer($buf, 1);
$pk->decode();
$p->handleDataPacket($pk);
if ($pk->getOffset() <= 0) {
return;
}
}
}
} catch (\Exception $e) {
if (\BukkitPE\DEBUG > 1) {
$logger = $this->server->getLogger();
if ($logger instanceof MainLogger) {
$logger->debug("BatchPacket " . " 0x" . bin2hex($packet->payload));
$logger->logException($e);
}
}
}
}
public function getInt()
{
return Binary::readInt($this->get(4));
}
public function getInt()
{
return $this->endianness === self::BIG_ENDIAN ? Binary::readInt($this->get(4)) : Binary::readLInt($this->get(4));
}
