/// <summary>
/// This method receives requests from other peers and maps the URI
/// namespace or resource name to an actual namespace handler. If one
/// exists then the namespace handler is invoked to process the request.
/// If not some default processing is used.
/// </summary>
/// <param name="asyncResult">The Async object for the request.</param>
public void GetRequestCallback(IAsyncResult asyncResult)
{
try
{
OnBeforeProcessRequest();
var stateObject = asyncResult.AsyncState as HttpApplication;
stateObject.HttpRequest = _listener.EndGetRequest(asyncResult);
if (stateObject.HttpRequest.Method == "GET")
{
var ns = stateObject.HttpRequest.RequestUri.Segments[1];
if (_nsModules.Contains(ns))
{
var nsHandler = (IHttpNamespaceHandler)_nsModules[ns];
nsHandler.ProcessRequest(stateObject);
}
else
{
HandleUnsupportedNamespace(stateObject);
}
}
else if (stateObject.HttpRequest.Method == "POST")
{
if (stateObject.HttpRequest.ContentLength <= 0)
{
var message = "<html><body>Bad Request - POST with no data";
message += "</body></html>";
HandleBadRequest(stateObject, message);
}
else
{
stateObject.RequestStream = stateObject.HttpRequest.GetRequestStream();
try
{
stateObject.RequestStream.BeginRead(stateObject.ReadBuffer, 0, stateObject.ReadBuffer.Length,
_readCB, stateObject);
}
catch (Exception exception)
{
#if DEBUG
if (HttpTraceHelper.ExceptionCaught.TraceVerbose)
{
HttpTraceHelper.WriteLine("Caught exception:" + exception);
}
#endif
}
}
}
else
{
HandleUnsupportedNamespace(stateObject);
}
// Queue up another _listener
var newStateObject = new HttpApplication();
_listener.BeginGetRequest(_getRequestCB, newStateObject);
}
catch (Exception ex)
{
#if DEBUG
if (HttpTraceHelper.ExceptionCaught.TraceVerbose)
{
HttpTraceHelper.WriteLine("Caught exception:" + ex);
}
#endif
var stateObject = asyncResult.AsyncState as HttpApplication;
stateObject.Reset();
_listener.BeginGetRequest(_getRequestCB, stateObject);
}
finally
{
OnAfterProcessRequest();
}
}
