public void ReadFromBitStream(ReadOnlyBitStream bitStream)
{
bool isBigEndian = bitStream.IsBigEndian();
bitStream.SetBigEndian(true);
version = bitStream.ReadNibble();
headerLength = bitStream.ReadNibble();
headerLength *= 4;
dsf = bitStream.ReadByte();
totalLength = bitStream.ReadUInt16();
identifier = bitStream.ReadUInt16();
flags = bitStream.ReadUInt16();
ttl = bitStream.ReadByte();
protocol = bitStream.ReadByte();
headerChecksum = bitStream.ReadUInt16();
source = bitStream.ReadBytes(4);
destination = bitStream.ReadBytes(4);
bitStream.SetBigEndian(isBigEndian);
if (protocol == 17)
{
datagram = new Datagram();
datagram.ReadFromBitStream(bitStream);
}
else
{
bitStream.ReadBytes(totalLength - headerLength); // Skip if not UDP.
}
}
public void ReadFromBitStream(ReadOnlyBitStream bitStream)
{
magicNumber = bitStream.ReadUInt32();
versionMajor = bitStream.ReadUInt16();
versionMinor = bitStream.ReadUInt16();
timeZone = bitStream.ReadInt32();
timestampAccuracy = bitStream.ReadUInt32();
snapshotLength = bitStream.ReadUInt32();
linkType = bitStream.ReadUInt32();
}
public void ReadFromBitStream(ReadOnlyBitStream bitStream)
{
bool isBigEndian = bitStream.IsBigEndian();
bitStream.SetBigEndian(true);
sourcePort = bitStream.ReadUInt16();
destinationPort = bitStream.ReadUInt16();
totalLength = bitStream.ReadUInt16();
checksum = bitStream.ReadUInt16();
data = bitStream.ReadBytes(totalLength - 8);
bitStream.SetBigEndian(isBigEndian);
}
public void ReadFromBitStream(ReadOnlyBitStream bitStream)
{
destination = bitStream.ReadBytes(6);
source = bitStream.ReadBytes(6);
protocol = bitStream.ReadUInt16();
packet = new Packet();
packet.ReadFromBitStream(bitStream);
}
public void FromBitStream(ReadOnlyBitStream packetStream)
{
GameVersion = packetStream.ReadUInt32();
Unknown1 = packetStream.ReadUInt32();
RemoteConnectionType = packetStream.ReadUInt32();
ProcessId = packetStream.ReadUInt32();
LocalPort = packetStream.ReadUInt16();
LocalAddress = packetStream.ReadString(33);
}
public override void ReadFromBitStream(ReadOnlyBitStream bitStream)
{
SequenceStart = bitStream.ReadUInt16();
GameServerPort = bitStream.ReadUInt16();
}
public override void Run()
{
while (!terminationRequested || !incomingPacketQueue.IsEmpty)
{
IncomingDatagramPacket packet;
if (incomingPacketQueue.TryDequeue(out packet))
{
ReadOnlyBitStream packetStream = new ReadOnlyBitStream(packet.Data);
byte rakNetPacketId = packetStream.ReadByte();
switch (rakNetPacketId)
{
case 17: // ID_NEW_INCOMING_CONNECTION
{
Server.Instance.Scheduler.RunTask(() => Server.Instance.EventManager.Publish(new ClientConnectEvent(packet.SourceAddress, packet.SourcePort, packet.DestinationAddress, packet.DestinationPort)));
break;
}
case 19: // ID_DISCONNECTION_NOTIFICATION
case 20: // ID_CONNECTION_LOST
{
Server.Instance.Scheduler.RunTask(() => Server.Instance.EventManager.Publish(new ClientDisconnectEvent(packet.SourceAddress, packet.SourcePort, packet.DestinationAddress, packet.DestinationPort)));
break;
}
case 83: // ID_USER_PACKET_ENUM
{
try
{
RemoteConnectionType remoteConnectionType = (RemoteConnectionType)packetStream.ReadUInt16();
uint luPacketId = packetStream.ReadUInt32();
packetStream.SkipBytes(1);
IUnserializable gamePacket = null;
switch (remoteConnectionType)
{
case RemoteConnectionType.General:
{
GeneralPacketId generalPacketId = (GeneralPacketId)luPacketId;
switch (generalPacketId)
{
case GeneralPacketId.MSG_SERVER_VERSION_CONFIRM:
{
gamePacket = new GeneralVersionConfirmPacket();
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. generalPacketId=" + generalPacketId);
break;
}
}
break;
}
case RemoteConnectionType.Auth:
{
AuthPacketId authPacketId = (AuthPacketId)luPacketId;
switch (authPacketId)
{
case AuthPacketId.MSG_AUTH_LOGIN_REQUEST:
{
gamePacket = new AuthLoginRequestPacket();
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. authPacketId=" + authPacketId);
break;
}
}
break;
}
case RemoteConnectionType.World:
{
WorldPacketId worldPacketId = (WorldPacketId)luPacketId;
switch (worldPacketId)
{
case WorldPacketId.MSG_WORLD_CLIENT_VALIDATION:
{
gamePacket = new WorldValidationPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_LIST_REQUEST:
{
gamePacket = new WorldCharacterListRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_CREATE_REQUEST:
{
gamePacket = new WorldCharacterCreateRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_DELETE_REQUEST:
{
gamePacket = new WorldCharacterDeleteRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_CHARACTER_RENAME_REQUEST:
{
gamePacket = new WorldCharacterRenameRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_LOGIN_REQUEST:
{
gamePacket = new WorldLoginRequestPacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_LEVEL_LOAD_COMPLETE:
{
gamePacket = new WorldLevelLoadCompletePacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_POSITION_UPDATE:
{
gamePacket = new WorldPositionUpdatePacket();
break;
}
case WorldPacketId.MSG_WORLD_CLIENT_GAME_MSG:
{
long objectId = packetStream.ReadInt64();
ushort gameMessageId = packetStream.ReadUInt16();
switch (gameMessageId)
{
case (ushort)GameMessageId.PlayerLoaded:
{
gamePacket = new PlayerLoadedGameMessage(objectId);
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. gameMessageId=" + gameMessageId);
break;
}
}
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. worldPacketId=" + worldPacketId);
break;
}
}
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown LU packet. remoteConnectionType=" + remoteConnectionType);
break;
}
}
if (gamePacket != null)
{
gamePacket.FromBitStream(packetStream);
Server.Instance.Scheduler.RunTask(() => Server.Instance.EventManager.Publish(new GamePacketReceiveEvent(packet.SourceAddress, packet.SourcePort, packet.DestinationAddress, packet.DestinationPort, gamePacket)));
}
}
catch (Exception exc)
{
StackTrace stackTrace = new StackTrace(exc, true);
StackFrame stackFrame = stackTrace.GetFrame(0);
string fileName = stackFrame.GetFileName();
int fileLine = stackFrame.GetFileLineNumber();
int fileColumn = stackFrame.GetFileColumnNumber();
Server.Instance.Logger.Log("Received an invalid game packet. address=" + packet.SourceAddress + " port=" + packet.SourcePort + " exception=" + exc.Message + " stackTrace=" + fileName + ":" + fileLine + ":" + fileColumn);
}
break;
}
default:
{
Server.Instance.Logger.Log("Received an unknown RakNet packet. rakNetPacketId=" + rakNetPacketId);
break;
}
}
}
else
{
Thread.Sleep(1);
}
}
}
public override void ReadFromBitStream(ReadOnlyBitStream bitStream)
{
AssignedSocketIdentifier = bitStream.ReadUInt32();
StreamingProtocolVersion = bitStream.ReadUInt16();
}
public override void ReadFromBitStream(ReadOnlyBitStream bitStream)
{
SequenceNumber1 = bitStream.ReadUInt16();
SequenceNumber2 = bitStream.ReadUInt16();
}