private void ErrorPage(IRequest request, IResponse response, HttpException exception)
{
response.Status = exception.Code;
response.Reason = exception.Message;
response.Body.SetLength(0);
var args = new ErrorPageEventArgs(HttpContext.Current, request, response);
args.Exception = exception;
ErrorPageRequested(this, args);
// Add default error body.
if (!args.IsHandled)
{
string htmlTemplate = "<html><head><title>{1}</title></head><body>Error {0}: {1}</body></html>";
byte[] body = Encoding.UTF8.GetBytes(string.Format(htmlTemplate, (int) response.Status, response.Reason));
response.Body.Write(body, 0, body.Length);
}
try
{
var generator = new ResponseWriter();
generator.Send(HttpContext.Current, response);
}
catch (Exception err)
{
#if DEBUG
if (ExceptionThrown.GetInvocationList().Length == 1)
throw;
#endif
ExceptionThrown(this, new ExceptionEventArgs(err));
}
}
private void OnRequest(object sender, RequestEventArgs e)
{
_server = this;
Exception exception;
try
{
ProcessingResult result = HandleRequest(e);
if (result != ProcessingResult.Continue)
return;
exception = null;
}
catch (HttpException err)
{
_logger.Error("Got an HTTP exception.", err);
e.Response.Status = err.Code;
e.Response.Reason = err.Message;
exception = err;
}
catch (Exception err)
{
_logger.Error("Got an unhandled exception.", err);
exception = err;
e.Response.Status = HttpStatusCode.InternalServerError;
e.Response.Reason = "Failed to process request.";
}
if (exception == null)
{
e.Response.Status = HttpStatusCode.NotFound;
e.Response.Reason = "Requested resource is not found. Sorry ;(";
exception = new HttpException(HttpStatusCode.NotFound, "Failed to find uri " + e.Request.Uri);
}
DisplayErrorPage(e.Context, exception);
e.IsHandled = true;
}