private void HandleNetwork()
{
while (true)
{
if (ShuttingDown)
{
return;
}
for (int i = 0; i < Clients.Count; i++)
{
//TODO: Kick client due to keep alive timeouts.
while (Clients[i].Client.NetworkManager.DataAvailable)
{
try
{
/* S <- P <- C
* Proxying data from client to server.
*/
var rawPacket = (byte[])null; // raw encrypted packet
var decryptedPacket = (byte[])null;
var packet = Clients[i].Client.NetworkManager.ReadPacket(out rawPacket, out decryptedPacket); // receive data from client
if (packet != null)
{
HandlePacket(Clients[i], packet);
if (rawPacket != null)
{
Clients[i].Server.NetworkManager.CoCStream.Write(rawPacket, 0, rawPacket.Length); // sends data back to server
PacketDumper.LogPacket(packet, PacketDirection.Server, decryptedPacket);
PacketLog.LogData(packet, PacketDirection.Server);
}
}
}
catch (Exception ex)
{
ExceptionLog.LogData(ex);
Clients.RemoveAt(i);
goto ResetLoop;
}
}
if (Clients[i].Server == null)
{
continue;
}
while (Clients[i].Server.NetworkManager.DataAvailable)
{
try
{
/* S -> P -> C
* Proxying data from server to client.
*/
var rawPacket = (byte[])null;
var decryptedPacket = (byte[])null;
var packet = Clients[i].Server.NetworkManager.ReadPacket(out rawPacket, out decryptedPacket); // receive data from server
if (packet != null)
{
HandlePacket(Clients[i], packet);
if (rawPacket != null)
{
Clients[i].Client.NetworkManager.CoCStream.Write(rawPacket, 0, rawPacket.Length); // sends data back to client
PacketDumper.LogPacket(packet, PacketDirection.Client, decryptedPacket);
PacketLog.LogData(packet, PacketDirection.Client);
}
}
}
catch (Exception ex)
{
ExceptionLog.LogData(ex);
Clients.RemoveAt(i);
goto ResetLoop;
}
}
continue;
ResetLoop:
break;
}
Thread.Sleep(1);
}
}
public IPacket ReadPacket(out byte[] rawPacket, out byte[] decryptedPacket)
{
/* Receive data from the socket, saves it a buffer,
* then reads packet from the buffer.
*/
var timeout = DateTime.Now.AddMilliseconds(500); // 500ms
while (DataAvailable && DateTime.Now < timeout)
{
CoCStream.ReadToBuffer(); // reads data saves it a buffer
//var packetBuffer = new PacketBuffer(CoCStream.ReadBuffer.ToArray());
var enPacketReader = new PacketReader(CoCStream.ReadBuffer);
// read header
var packetID = enPacketReader.ReadUInt16();
var packetLength = enPacketReader.ReadInt24();
var packetVersion = enPacketReader.ReadUInt16();
// read body
if (packetLength > enPacketReader.BaseStream.Length) // check if data is enough data is avaliable in the buffer
{
continue;
}
var encryptedData = GetPacketBody(packetLength);
var decryptedData = (byte[])encryptedData.Clone(); // cloning just cause we want the encrypted data
CoCCrypto.Decrypt(decryptedData);
var dePacketReader = new PacketReader(new MemoryStream(decryptedData));
var packet = CreatePacketInstance(packetID);
if (packet is UnknownPacket)
{
packet = new UnknownPacket
{
ID = packetID,
Length = packetLength,
Version = packetVersion
};
((UnknownPacket)packet).EncryptedData = encryptedData;
}
decryptedPacket = decryptedData;
rawPacket = ExtractRawPacket(packetLength);
//CoCStream.ReadBuffer = new MemoryStream(4096);
//CoCStream.Write(packetBuffer.Buffer, 0, packetBuffer.Buffer.Length);
try
{
packet.ReadPacket(dePacketReader);
}
catch (Exception ex)
{
if (ExceptionLog != null)
{
ExceptionLog.LogData(ex);
}
}
return(packet);
}
decryptedPacket = null;
rawPacket = null;
return(null);
}
