public void AddHandler(string method, string contentType, string path, HttpRequestCallback callback)
{
HttpRequestSignature signature = new HttpRequestSignature();
signature.Method = method;
signature.ContentType = contentType;
signature.Path = path;
AddHandler(new HttpRequestHandler(signature, callback));
}
public EventQueueServer(HttpServer server, string path)
{
HttpRequestSignature signature = new HttpRequestSignature();
signature.Method = "post";
signature.ContentType = String.Empty;
signature.Path = path;
HttpServer.HttpRequestCallback callback = new HttpServer.HttpRequestCallback(EventQueueHandler);
HttpServer.HttpRequestHandler handler = new HttpServer.HttpRequestHandler(signature, callback);
server.AddHandler(handler);
}
protected void EventQueueHandler(HttpRequestSignature signature, ref HttpListenerContext context)
{
}
public HttpRequestHandler(HttpRequestSignature signature, HttpRequestCallback callback)
{
Signature = signature;
Callback = callback;
}
protected void BeginGetContextCallback(IAsyncResult result)
{
HttpListenerContext context = null;
// Retrieve the incoming request
try { context = server.EndGetContext(result); }
catch (Exception)
{
}
if (isRunning)
{
// Immediately start listening again
try { server.BeginGetContext(serverCallback, server); }
catch (Exception)
{
// Something went wrong, can't resume listening. Bail out now
// since this is a shutdown (whether it was meant to be or not)
return;
}
// Process the incoming request
if (context != null)
{
// Create a request signature
HttpRequestSignature signature = new HttpRequestSignature(context);
// Look for a signature match in our handlers
for (int i = 0; i < requestHandlers.Count; i++)
{
HttpRequestHandler handler = requestHandlers[i];
if (signature == handler.Signature)
{
// Request signature matched, handle it
try
{
handler.Callback(signature, ref context);
}
catch (Exception e)
{
try
{
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
context.Response.StatusDescription = e.ToString();
}
catch (Exception)
{
Logger.Log(e.ToString(), Helpers.LogLevel.Error);
}
}
finally
{
context.Response.Close();
}
return;
}
}
// No registered handler matched this request's signature. Send a 404
context.Response.StatusCode = (int)HttpStatusCode.NotFound;
context.Response.StatusDescription = String.Format(
"No request handler registered for Method=\"{0}\", Content-Type=\"{1}\", Path=\"{2}\"",
signature.Method, signature.ContentType, signature.Path);
context.Response.Close();
}
}
}
