private void ReceiveCallback(IAsyncResult ar)
{
try
{
Debug.Log("Receive callback ");
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
System.Net.Sockets.Socket client = state.workSocket;
// Read data from the remote device.
int bytesRead = client.EndReceive(ar);
Debug.Log("bytes read: " + bytesRead.ToString());
if (bytesRead > 0)
{
if (state.expected == -1)
{
state.expected = PacketUtils.GetSizeFromOpCodeReceived((OpCodeReceive)state.buffer[0]);
}
state.offset += bytesRead;
Debug.Log("state offset: " + state.offset.ToString());
// Get the rest of the data.
if (state.offset < state.expected)
{
Debug.Log("State.buffer = " + state.buffer.Length.ToString());
Debug.Log("State.offset = " + state.offset.ToString());
Debug.Log("StateObject.Buffersize = " + StateObject.BufferSize.ToString());
client.BeginReceive(state.buffer, state.offset, StateObject.BufferSize - state.offset, 0,
new AsyncCallback(ReceiveCallback), state);
Debug.Log("lesser than expected");
}
else if (state.offset == state.expected)
{
finishRead(state);
}
else
{
Debug.Log("Too many packets arrived");
}
}
else
{
// All the data has arrived; put it in response.
if (state.offset == state.expected)
{
finishRead(state);
}
else
{
Receive(client);
}
// Signal that all bytes have been received.
// receiveDone.Set();
}
}
catch (Exception e)
{
Debug.Log(e.ToString());
}
}