private void HandleDisconnected(ITcpSocket socket)
{
MhfConnection connection;
lock (_lock)
{
if (!_connections.ContainsKey(socket))
{
_logger.Error(socket, $"Disconnected client does not exist in lookup");
return;
}
connection = _connections[socket];
_connections.Remove(socket);
_logger.Debug($"Clients Count: {_connections.Count}");
}
Action <MhfConnection> onClientDisconnected = ClientDisconnected;
if (onClientDisconnected != null)
{
try
{
onClientDisconnected.Invoke(connection);
}
catch (Exception ex)
{
_logger.Exception(connection, ex);
}
}
_logger.Info(connection, $"Client disconnected");
}
public List <MhfPacket> Read(byte[] data)
{
List <MhfPacket> packets = new List <MhfPacket>();
if (_buffer == null)
{
_buffer = BufferProvider.Provide(data);
}
else
{
_buffer.SetPositionEnd();
_buffer.WriteBytes(data);
}
_buffer.Position = _position;
bool read = true;
while (read)
{
read = false;
if (_header == null && _buffer.Size - _buffer.Position >= PacketHeaderSize)
{
byte pf0 = _buffer.ReadByte();
byte keyRotDelta = _buffer.ReadByte();
ushort id = _buffer.ReadUInt16(Endianness.Big);
ushort dataSize = _buffer.ReadUInt16(Endianness.Big);
ushort combinedCheck = _buffer.ReadUInt16(Endianness.Big);
ushort check0 = _buffer.ReadUInt16(Endianness.Big);
ushort check1 = _buffer.ReadUInt16(Endianness.Big);
ushort check2 = _buffer.ReadUInt16(Endianness.Big);
_header = new PacketHeader(id, pf0, keyRotDelta, dataSize, combinedCheck, check0, check1, check2);
Console.WriteLine(_header.ToLogText());
// Update the rolling key index.
if (_header.KeyRotDelta != 0)
{
_readKeyRot = _header.KeyRotDelta * (_readKeyRot + 1);
}
}
if (_header == null && _buffer.Size - _buffer.Position == InitPacketSize)
{
byte[] payload = _buffer.ReadBytes(InitPacketSize);
_logger.Debug($"Ignoring Data: {Util.ToHexString(payload, ' ')}");
}
if (_header != null && _buffer.Size - _buffer.Position >= _header.DataSize)
{
byte[] packetData = _buffer.ReadBytes(_header.DataSize);
packetData = Decrypt(packetData, _readKeyRot,
out ushort combinedCheck, out ushort check0,
out ushort check1, out ushort check2);
IBuffer buffer = BufferProvider.Provide(packetData);
MhfPacket packet = new MhfPacket(_header, buffer);
packets.Add(packet);
_header = null;
read = _buffer.Position != _buffer.Size;
}
}
if (_buffer.Position == _buffer.Size)
{
Reset();
}
else
{
_position = _buffer.Position;
}
return(packets);
}