OpenMetaverse.Http.CapsClient.Client_DownloadStringCompleted C# (CSharp) Method

        private void Client_DownloadStringCompleted(object sender, CapsBase.DownloadStringCompletedEventArgs e)
        {
            if (OnComplete != null && !e.Cancelled)
            {
                if (e.Error == null)
                {
                    OSD result = OSDParser.DeserializeLLSDXml(e.Result);

                    try { OnComplete(this, result, e.Error); }
                    catch (Exception ex) { Logger.Log.Error(ex.Message, ex); }
                }
                else
                {
                    // Some error occurred, try to figure out what happened
                    HttpStatusCode code = HttpStatusCode.OK;
                    if (e.Error is WebException && ((WebException)e.Error).Response != null)
                        code = ((HttpWebResponse)((WebException)e.Error).Response).StatusCode;

                    if (code == HttpStatusCode.BadGateway)
                    {
                        // This is not good (server) protocol design, but it's normal.
                        // The CAPS server is a proxy that connects to a Squid
                        // cache which will time out periodically. The CAPS server
                        // interprets this as a generic error and returns a 502 to us
                        // that we ignore
                        StartRequest(_PostData, _ContentType);
                    }
                    else if (code != HttpStatusCode.OK)
                    {
                        // Status code was set to something unknown, this is a failure
                        Logger.Log.DebugFormat("Caps error at {0}: {1}", _Client.Location, code);

                        try { OnComplete(this, null, e.Error); }
                        catch (Exception ex) { Logger.Log.Error(ex.Message, ex); }
                    }
                    else
                    {
                        // Status code was not set, some other error occurred. This is a failure
                        Logger.Log.DebugFormat("Caps error at {0}: {1}", _Client.Location, e.Error.Message);

                        try { OnComplete(this, null, e.Error); }
                        catch (Exception ex) { Logger.Log.Error(ex.Message, ex); }
                    }
                }
            }
            else if (e.Cancelled)
            {
                Logger.Log.Debug("Capability action at " + _Client.Location + " cancelled");
            }
        }