protected virtual void OnRequest(RequestCommandEventArgs e)
{
EventHandler <RequestCommandEventArgs> handler = Request;
if (handler != null)
{
handler(this, e);
}
}
private static RequestCommandEventArgs ReadCommand(HttpListenerRequest request)
{
using (TextReader reader = new StreamReader(request.InputStream, Encoding.UTF8))
{
string requestJson = reader.ReadToEnd();
CommandServiceEventArgs requestArgs = Resolve.Serializer.Deserialize <CommandServiceEventArgs>(requestJson);
RequestCommandEventArgs args = new RequestCommandEventArgs(requestArgs);
return(args);
}
}
private void ListenerCallback(IAsyncResult result)
{
HttpListener listener = (HttpListener)result.AsyncState;
if (!listener.IsListening)
{
return;
}
HttpListenerContext context = null;
try
{
context = listener.EndGetContext(result);
}
catch (HttpListenerException)
{
return;
}
if (listener.IsListening)
{
listener.BeginGetContext(ListenerCallback, listener);
}
if (context == null)
{
return;
}
HttpListenerRequest request = context.Request;
if (request.Url != Url)
{
throw new InvalidOperationException($"Request received with wrong URL: '{request.Url}'.");
}
RequestCommandEventArgs args = ReadCommand(request);
try
{
using (HttpListenerResponse response = context.Response)
{
response.StatusCode = (int)HttpStatusCode.OK;
response.StatusDescription = "OK";
}
}
catch (HttpListenerException)
{
return;
}
OnRequest(args);
}