private void ReadCallback(IAsyncResult ar)
{
NetUtil.Log("Reading data");
// Get the socket input buffer from the callback result
SocketDataBuffer state = (SocketDataBuffer)ar.AsyncState;
Socket socket = state.TargetSocket;
// Read data from the client
int bytesRead = socket.EndReceive(ar);
if (bytesRead > 0)
{
state.AppendData(Encoding.UTF8.GetString(state.Buffer, 0, bytesRead));
// Pop a message if one is available
if (state.HasMessage)
{
string message = state.PopMessage();
NetUtil.Log("Message: " + message);
callback(message);
}
//Keep reading
socket.BeginReceive(state.Buffer, 0, SocketDataBuffer.BufferSize, 0,
new AsyncCallback(ReadCallback), state);
}
}
private static void SendCallback(IAsyncResult ar)
{
try
{
// Retrieve the socket from the state object.
Socket handler = (Socket)ar.AsyncState;
// Complete sending the data to the remote device.
int bytesSent = handler.EndSend(ar);
NetUtil.Log("Sent " + bytesSent + " bytes to client.");
}
catch (Exception e)
{
NetUtil.Log(e.ToString());
}
}
private static void SocketSend(Socket handler, String data, string symkey)
{
//Encrypt
if (symkey != null)
{
// data = Convert.ToBase64String(TDESHandler.Encrypt(symkey, data));
}
NetUtil.Log("About to send: " + data);
//Add message ending
data += SocketDataBuffer.EOF;
// Convert the string data to byte data using UTF8 encoding.
byte[] byteData = Encoding.UTF8.GetBytes(data);
// Begin sending the data to the remote device.
handler.BeginSend(byteData, 0, byteData.Length, 0,
new AsyncCallback(SendCallback), handler);
}