private void RemoteRead(IAsyncResult ar)
{
NetworkStream stream = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item1;
PacketBuffer buffer = (ar.AsyncState as Tuple <NetworkStream, PacketBuffer>).Item2;
bool isClient = stream == _clientStream;
RC4Cipher cipher = isClient ? _clientReceiveState : _serverReceiveState;
bool success = PluginUtils.ProtectedInvoke(() =>
{
if (!stream.CanRead)
{
return;
}
int read = stream.EndRead(ar);
buffer.Advance(read);
if (read == 0)
{
Dispose();
return;
}
else if (buffer.Index == 4)
{ // We have the first four bytes, resize the client buffer
buffer.Resize(IPAddress.NetworkToHostOrder(
BitConverter.ToInt32(buffer.Bytes, 0)));
BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
}
else if (buffer.BytesRemaining() > 0)
{ // Awaiting the rest of the packet
BeginRead(buffer.Index, buffer.BytesRemaining(), isClient);
}
else
{ // We have the full packet
cipher.Cipher(buffer.Bytes);
Packet packet = Packet.Create(buffer.Bytes);
if (isClient)
{
_proxy.FireClientPacket(this, packet);
}
else
{
_proxy.FireServerPacket(this, packet);
}
if (packet.Send)
{
Send(packet, !isClient);
}
buffer.Reset();
BeginRead(0, 4, isClient);
}
}, "RemoteRead (isClient = " + isClient + ")", typeof(IOException));
if (!success)
{
Dispose();
}
}
