private void Dispatch(HttpListenerContext context)
{
try
{
var request = context.Request;
using (var reader = new StreamReader(request.InputStream))
{
var body = reader.ReadToEnd();
var message = JsonConvert.DeserializeObject <HttpPipelineMessage>(body);
HttpPipelineControlResponse responseMessage = new HttpPipelineControlResponse();
if (MessageReceivedHandler != null)
{
try
{
responseMessage = MessageReceivedHandler(message);
}
catch (Exception ex)
{
PowerLogger.LogLine("Receive handler threw an exception");
responseMessage.ExceptionInfo = ex.ToString();
responseMessage.StatusCode = HttpStatusCode.BadRequest;
}
}
var resposneMessageContents = JsonConvert.SerializeObject(responseMessage, HttpPipelineMessage.CommonSettings);
using (var writer = new StreamWriter(context.Response.OutputStream))
{
writer.Write(resposneMessageContents);
}
if (responseMessage.Close)
{
PowerLogger.LogLine("Closing listener because a response message told us to");
Stop();
}
}
}
catch (Exception ex)
{
if (ListenException != null)
{
ListenException(ex);
}
else
{
throw;
}
}
}
public override void Accept(object o)
{
PowerLogger.LogLine("Sending object over the wire: " + o);
HttpPipelineControlResponse response = null;
try
{
response = Sender.SendObject(o);
}
catch (WebException ex)
{
if (ex.Status == WebExceptionStatus.ConnectFailure)
{
try
{
throw new ArgException("Could not connect to external program '" + exe + "', possibly because it was not built with PowerArgs, or it does not have remote pipelining enabled. TODO - Help URL here.", ex);
}
catch (Exception toBubble)
{
this.Manager.BubbleAsyncException(toBubble);
}
}
else
{
this.Manager.BubbleAsyncException(ex);
}
}
catch (Exception ex)
{
this.Manager.BubbleAsyncException(ex);
}
if (response == null)
{
return;
}
if (response.StatusCode != HttpStatusCode.Accepted)
{
this.Manager.BubbleAsyncException(new ArgException("The external program '" + exe + "' could not accept the object of type: " + o.GetType().FullName + "\n\n" + response.ExceptionInfo));
}
}