/// <summary>
        /// Callback for received data
        /// </summary>
        private void ReceiveCallback(IAsyncResult ar)
        {
            int len = -1;
            try
            {
                len = this.GetSocket().EndReceive(ar);
                if (len <= 0)
                    throw new Exception("Received " + len);
            }
            catch (Exception e)
            {
                if (ErrorEvent != null)
                    ErrorEvent(this, e);
                return;
            }
            // TODO: Implement event for received data
            // Retrieve the header object
            Header headerObject = (Header)ar.AsyncState;
            // Get the data length
            int dataLength = BitConverter.ToInt32(headerObject.headerBytes, 0);
            // Create a packet
            Packet packet = new Packet();
            int bytesRead = 0;
            // Read until the total length has been received
            do
            {
                // Temporary array
                byte[] tmpArray = new byte[1024];
                // Receive
                int i = GetSocket().Receive(tmpArray, tmpArray.Length, SocketFlags.None);
                bytesRead += i;
                // Add to packet
                packet.WriteBytes(tmpArray, i);
            }
            while (bytesRead < dataLength);
            // OK proceed
        if (DataReceivedEvent != null)
                DataReceivedEvent(this, packet);
        }

    }