private void AcceptCallback(IAsyncResult ar)
{
// Signal the main thread to continue.
allDone.Set();
// Get the socket that handles the client request.
var listener = (Socket)ar.AsyncState;
if (cancellationRequested)
{
return;
}
Socket socket = listener.EndAccept(ar);
AddSocket(socket);
// Create the state object.
var xc = new SocketTransceiver(socket);
while (true)
{
try
{
IList <MemoryStream> request = xc.ReadBuffers();
IList <MemoryStream> response = responder.Respond(request, xc);
xc.WriteBuffers(response);
}
catch (ObjectDisposedException)
{
break;
}
catch (SocketException)
{
break;
}
catch (AvroRuntimeException)
{
break;
}
catch (Exception)
{
break;
}
}
try
{
xc.Disconnect();
}
catch (Exception) { }
RemoveSocket(socket);
}
//TODO: apparently this doesn't compile in Mono - investigate
//public Action<Exception, IAsyncResult> ExceptionHandler { get; set; }
protected void HttpListenerCallback(IAsyncResult result)
{
try
{
HttpListener listener = (HttpListener)result.AsyncState;
if (_listener != listener) //the server which began this callback was stopped - just exit
{
return;
}
HttpListenerContext context = listener.EndGetContext(result);
listener.BeginGetContext(HttpListenerCallback, listener); //spawn listening for next request so it can be processed while we are dealing with this one
//process this request
if (!context.Request.HttpMethod.Equals("POST"))
{
throw new AvroRuntimeException("HTTP method must be POST");
}
if (!context.Request.ContentType.Equals("avro/binary"))
{
throw new AvroRuntimeException("Content-type must be avro/binary");
}
byte[] intBuffer = new byte[4];
var buffers = HttpTransceiver.ReadBuffers(context.Request.InputStream, intBuffer);
buffers = _responder.Respond(buffers);
context.Response.ContentType = "avro/binary";
context.Response.ContentLength64 = HttpTransceiver.CalculateLength(buffers);
HttpTransceiver.WriteBuffers(buffers, context.Response.OutputStream);
context.Response.OutputStream.Close();
context.Response.Close();
}
catch (Exception ex)
{
//TODO: apparently this doesn't compile in Mono - investigate
//if (ExceptionHandler != null)
// ExceptionHandler(ex, result);
//else
// Debug.Print("Exception occured while processing a request, no exception handler was provided - ignoring", ex);
Debug.Print("Exception occured while processing a web request, skipping this request: ", ex);
}
}
public override IList <MemoryStream> Transceive(IList <MemoryStream> request)
{
return(responder.Respond(request));
}
