private void WriteFile(string path, bool tail, HttpListenerContext context)
        {
            try
            {
                if (tail)
                {
                    Logger.Debug("Directory server tailing file '{0}'", path);
                    string mimeType = DetectContentType(path);

                    context.Response.StatusCode  = (int)System.Net.HttpStatusCode.OK;
                    context.Response.ContentType = mimeType;

                    StreamHandler streamHandler = new StreamHandler(path, TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(this.streamingTimeout), context);
                    streamHandler.Start();
                }
                else
                {
                    DumpFile(path, context);
                }
            }
            catch (Exception ex)
            {
                DirectoryServer.WriteServerError(ex.Message, context);
            }
        }
        /// <summary>
        /// If validation with the DEA is successful, the HTTP request is served.
        /// Otherwise, the same HTTP response from the DEA is served as response to
        /// the HTTP request.
        /// </summary>
        /// <param name="listenerContext">Http context to respond to.</param>
        private void ServeHttp(object listenerContext)
        {
            try
            {
                HttpListenerContext context = (HttpListenerContext)listenerContext;

                Uri uri = context.Request.Url;

                PathLookupResponse response = this.deaClient.LookupPath(uri);

                if (!string.IsNullOrWhiteSpace(response.Error))
                {
                    Logger.Warning(Strings.ErrorInLookupPath, response.Error);
                    DirectoryServer.WriteServerError(Strings.WinDEADidNotRespondProperly, context);
                }
                else
                {
                    var queryString = string.Join(string.Empty, uri.PathAndQuery.Split('?').Skip(1));
                    NameValueCollection queryStrings = System.Web.HttpUtility.ParseQueryString(queryString);
                    bool tail = queryStrings.AllKeys.Select(key => queryStrings.GetValues(key).Contains("tail")).Any(v => v);

                    Logger.Debug("Directory Server file request is: {0}; path is {1}", uri, queryStrings["path"]);

                    this.ListPath(response.Path, tail, context);
                }
            }
            catch (Exception ex)
            {
                Logger.Error("Directory Server - there was an error serving http: {0}", ex.ToString());
            }
        }