// Called when a SendAsync operation completes
private void ProcessSend(SocketAsyncEventArgs e)
{
if (e.SocketError == SocketError.Success)
{
//Read data sent from the server
Socket sock = e.UserToken as Socket;
sock.ReceiveAsync(e);
}
else
{
ResponseReceivedEventArgs args = new ResponseReceivedEventArgs();
args.response = e.SocketError.ToString();
args.isError = true;
OnResponseReceived(args);
}
}
// Called when a ConnectAsync operation completes
private void ProcessConnect(SocketAsyncEventArgs e)
{
if (e.SocketError == SocketError.Success)
{
// Successfully connected to the server
// Send data to the server
byte[] buffer = Encoding.UTF8.GetBytes(dataIn + "<EOF>");
e.SetBuffer(buffer, 0, buffer.Length);
Socket sock = e.UserToken as Socket;
sock.SendAsync(e);
}
else
{
ResponseReceivedEventArgs args = new ResponseReceivedEventArgs();
args.response = e.SocketError.ToString();
args.isError = true;
OnResponseReceived(args);
}
}
// Called when a ReceiveAsync operation completes
private void ProcessReceive(SocketAsyncEventArgs e)
{
if (e.SocketError == SocketError.Success)
{
// Received data from server
string dataFromServer = Encoding.UTF8.GetString(e.Buffer, 0, e.BytesTransferred);
Socket sock = e.UserToken as Socket;
sock.Shutdown(SocketShutdown.Send);
sock.Close();
// Respond to the client in the UI thread to tell him that data was received
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
ResponseReceivedEventArgs args = new ResponseReceivedEventArgs();
args.response = dataFromServer;
OnResponseReceived(args);
});
}
else
{
throw new SocketException((int)e.SocketError);
}
}
// Invoke the ResponseReceived event
protected void OnResponseReceived(ResponseReceivedEventArgs e)
{
if (ResponseReceived != null)
ResponseReceived(this, e);
}