Ng.CommandHelpers.GetHttpMessageHandlerFactory C# (CSharp) Method

        public static Func<HttpMessageHandler> GetHttpMessageHandlerFactory(bool verbose, string catalogBaseAddress = null, string storageBaseAddress = null)
        {
            Func<HttpMessageHandler> handlerFunc = null;
            if (verbose)
            {
                handlerFunc =
                    () =>
                        catalogBaseAddress != null
                            ? new VerboseHandler(new StorageAccessHandler(catalogBaseAddress, storageBaseAddress))
                            : new VerboseHandler();
            }
            return handlerFunc;
        }
    }

        static async Task Loop(string source, string registration, Lucene.Net.Store.Directory directory, string catalogBaseAddress, string storageBaseAddress, bool verbose, int interval)
        {
            Func <HttpMessageHandler> handlerFunc = CommandHelpers.GetHttpMessageHandlerFactory(verbose, catalogBaseAddress, storageBaseAddress);

            CommitCollector collector = new SearchIndexFromCatalogCollector(new Uri(source), directory, catalogBaseAddress, handlerFunc);

            ReadWriteCursor front = new LuceneCursor(directory, MemoryCursor.Min.Value);

            ReadCursor back = (registration == null) ? (ReadCursor)MemoryCursor.Max : new HttpReadCursor(new Uri(registration), handlerFunc);

            while (true)
            {
                bool run = false;
                do
                {
                    run = await collector.Run(front, back);
                }while (run);

                Thread.Sleep(interval * 1000);
            }
        }