/**
* @return bool
*/
public function handlePacket()
{
if (strlen($packet = $this->server->readThreadToMainPacket()) > 0) {
$id = ord($packet[0]);
$offset = 1;
if ($id === RakLib::PACKET_ENCAPSULATED) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
$offset += $len;
$flags = ord($packet[$offset++]);
$buffer = substr($packet, $offset);
$this->instance->handleEncapsulated($identifier, EncapsulatedPacket::fromBinary($buffer, true), $flags);
} elseif ($id === RakLib::PACKET_RAW) {
$len = ord($packet[$offset++]);
$address = substr($packet, $offset, $len);
$offset += $len;
$port = unpack("n", substr($packet, $offset, 2))[1];
$offset += 2;
$payload = substr($packet, $offset);
$this->instance->handleRaw($address, $port, $payload);
} elseif ($id === RakLib::PACKET_SET_OPTION) {
$len = ord($packet[$offset++]);
$name = substr($packet, $offset, $len);
$offset += $len;
$value = substr($packet, $offset);
$this->instance->handleOption($name, $value);
} elseif ($id === RakLib::PACKET_OPEN_SESSION) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
$offset += $len;
$len = ord($packet[$offset++]);
$address = substr($packet, $offset, $len);
$offset += $len;
$port = unpack("n", substr($packet, $offset, 2))[1];
$offset += 2;
$clientID = Binary::readLong(substr($packet, $offset, 8));
$this->instance->openSession($identifier, $address, $port, $clientID);
} elseif ($id === RakLib::PACKET_CLOSE_SESSION) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
$offset += $len;
$len = ord($packet[$offset++]);
$reason = substr($packet, $offset, $len);
$this->instance->closeSession($identifier, $reason);
} elseif ($id === RakLib::PACKET_INVALID_SESSION) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
$this->instance->closeSession($identifier, "Invalid session");
} elseif ($id === RakLib::PACKET_ACK_NOTIFICATION) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
$offset += $len;
$identifierACK = PHP_INT_SIZE === 8 ? unpack("N", substr($packet, $offset, 4))[1] << 32 >> 32 : unpack("N", substr($packet, $offset, 4))[1];
$this->instance->notifyACK($identifier, $identifierACK);
}
return true;
}
return false;
}
public function decode()
{
parent::decode();
$this->seqNumber = unpack("V", $this->get(3) . "")[1];
while (!$this->feof()) {
$offset = 0;
$packet = EncapsulatedPacket::fromBinary(substr($this->buffer, $this->offset), false, $offset);
$this->offset += $offset;
if (strlen($packet->buffer) === 0) {
break;
}
$this->packets[] = $packet;
}
}
public function receiveStream()
{
if (\strlen($packet = $this->server->readMainToThreadPacket()) > 0) {
$id = \ord($packet[0]);
$offset = 1;
if ($id === RakLib::PACKET_ENCAPSULATED) {
$len = \ord($packet[$offset++]);
$identifier = \substr($packet, $offset, $len);
$offset += $len;
if (isset($this->sessions[$identifier])) {
$flags = \ord($packet[$offset++]);
$buffer = \substr($packet, $offset);
$this->sessions[$identifier]->addEncapsulatedToQueue(EncapsulatedPacket::fromBinary($buffer, \true), $flags);
} else {
$this->streamInvalid($identifier);
}
} elseif ($id === RakLib::PACKET_RAW) {
$len = \ord($packet[$offset++]);
$address = \substr($packet, $offset, $len);
$offset += $len;
$port = \unpack("n", \substr($packet, $offset, 2))[1];
$offset += 2;
$payload = \substr($packet, $offset);
$this->socket->writePacket($payload, $address, $port);
} elseif ($id === RakLib::PACKET_CLOSE_SESSION) {
$len = \ord($packet[$offset++]);
$identifier = \substr($packet, $offset, $len);
if (isset($this->sessions[$identifier])) {
$this->removeSession($this->sessions[$identifier]);
} else {
$this->streamInvalid($identifier);
}
} elseif ($id === RakLib::PACKET_INVALID_SESSION) {
$len = \ord($packet[$offset++]);
$identifier = \substr($packet, $offset, $len);
if (isset($this->sessions[$identifier])) {
$this->removeSession($this->sessions[$identifier]);
}
} elseif ($id === RakLib::PACKET_SET_OPTION) {
$len = \ord($packet[$offset++]);
$name = \substr($packet, $offset, $len);
$offset += $len;
$value = \substr($packet, $offset);
switch ($name) {
case "name":
$this->name = $value;
break;
case "portChecking":
$this->portChecking = (bool) $value;
break;
case "packetLimit":
$this->packetLimit = (int) $value;
break;
}
} elseif ($id === RakLib::PACKET_BLOCK_ADDRESS) {
$len = \ord($packet[$offset++]);
$address = \substr($packet, $offset, $len);
$offset += $len;
$timeout = \PHP_INT_SIZE === 8 ? \unpack("N", \substr($packet, $offset, 4))[1] << 32 >> 32 : \unpack("N", \substr($packet, $offset, 4))[1];
$this->blockAddress($address, $timeout);
} elseif ($id === RakLib::PACKET_SHUTDOWN) {
foreach ($this->sessions as $session) {
$this->removeSession($session);
}
$this->socket->close();
$this->shutdown = \true;
} elseif ($id === RakLib::PACKET_EMERGENCY_SHUTDOWN) {
$this->shutdown = \true;
} else {
return \false;
}
return \true;
}
return \false;
}
public function toBinary($internal = \false)
{
return $this->internalData === \null ? $this->internalData = parent::toBinary($internal) : $this->internalData;
}
public function close()
{
$data = "";
$this->addEncapsulatedToQueue(EncapsulatedPacket::fromBinary($data), RakLib::PRIORITY_IMMEDIATE);
//CLIENT_DISCONNECT packet 0x15
$this->sessionManager = \null;
}
public function receiveStream()
{
if (strlen($packet = $this->server->readMainToThreadPacket()) > 0) {
$id = ord($packet[0]);
$offset = 1;
if ($id === RakLib::PACKET_ENCAPSULATED) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
$offset += $len;
if (isset($this->sessions[$identifier])) {
$flags = ord($packet[$offset++]);
$buffer = substr($packet, $offset);
$this->sessions[$identifier]->addEncapsulatedToQueue(EncapsulatedPacket::fromBinary($buffer, true), $flags);
} else {
$this->streamInvalid($identifier);
}
} elseif ($id === RakLib::PACKET_RAW) {
$len = ord($packet[$offset++]);
$address = substr($packet, $offset, $len);
$offset += $len;
$port = unpack("n", substr($packet, $offset, 2))[1];
$offset += 2;
$payload = substr($packet, $offset);
$this->socket->writePacket($payload, $address, $port);
} elseif ($id === RakLib::PACKET_TICK) {
$time = microtime(true);
foreach ($this->sessions as $session) {
$session->update($time);
}
foreach ($this->ipSec as $address => $count) {
if ($count >= $this->packetLimit) {
$this->blockAddress($address);
}
}
$this->ipSec = [];
if (($this->ticks & 0b1111) === 0) {
$diff = max(0.005, $time - $this->lastMeasure);
$this->streamOption("bandwidth", serialize(["up" => $this->sendBytes / $diff, "down" => $this->receiveBytes / $diff]));
$this->lastMeasure = $time;
$this->sendBytes = 0;
$this->receiveBytes = 0;
if (count($this->block) > 0) {
asort($this->block);
$now = microtime(true);
foreach ($this->block as $address => $timeout) {
if ($timeout <= $now) {
unset($this->block[$address]);
} else {
break;
}
}
}
\gc_collect_cycles();
}
++$this->ticks;
} elseif ($id === RakLib::PACKET_CLOSE_SESSION) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
if (isset($this->sessions[$identifier])) {
$this->removeSession($this->sessions[$identifier]);
} else {
$this->streamInvalid($identifier);
}
} elseif ($id === RakLib::PACKET_INVALID_SESSION) {
$len = ord($packet[$offset++]);
$identifier = substr($packet, $offset, $len);
if (isset($this->sessions[$identifier])) {
$this->removeSession($this->sessions[$identifier]);
}
} elseif ($id === RakLib::PACKET_SET_OPTION) {
$len = ord($packet[$offset++]);
$name = substr($packet, $offset, $len);
$offset += $len;
$value = substr($packet, $offset);
switch ($name) {
case "name":
$this->name = $value;
break;
case "portChecking":
$this->portChecking = (bool) $value;
break;
case "packetLimit":
$this->packetLimit = (int) $value;
break;
}
} elseif ($id === RakLib::PACKET_BLOCK_ADDRESS) {
$len = ord($packet[$offset++]);
$address = substr($packet, $offset, $len);
$offset += $len;
$timeout = PHP_INT_SIZE === 8 ? unpack("N", substr($packet, $offset, 4))[1] << 32 >> 32 : unpack("N", substr($packet, $offset, 4))[1];
$this->blockAddress($address, $timeout);
} elseif ($id === RakLib::PACKET_SHUTDOWN) {
foreach ($this->sessions as $session) {
$this->removeSession($session);
}
$this->socket->close();
$this->shutdown = true;
} elseif ($id === RakLib::PACKET_EMERGENCY_SHUTDOWN) {
$this->shutdown = true;
} else {
return false;
}
return true;
}
return false;
}
public function close()
{
$this->addEncapsulatedToQueue(EncapsulatedPacket::fromBinary("`"));
//CLIENT_DISCONNECT packet 0x15
$this->sessionManager = null;
}