Example #1
0
        public static void RemoveUpdate(Alert update)
        {
            lock (updateAlertsLock)
                updateAlerts.Remove(update);

            UpdateAlertCollectionChanged?.Invoke(new CollectionChangeEventArgs(CollectionChangeAction.Remove, update));
        }
Example #2
0
        public static void RefreshUpdateAlerts(UpdateType flags)
        {
            var alerts = new List <XenServerUpdateAlert>();

            if (flags.HasFlag(UpdateType.ServerVersion))
            {
                alerts.AddRange(NewXenServerVersionAlerts(XenServerVersionsForAutoCheck));
            }

            if (flags.HasFlag(UpdateType.ServerPatches))
            {
                alerts.AddRange(NewXenServerPatchAlerts(XenServerVersions, XenServerPatches));
            }

            bool changed = false;

            try
            {
                lock (updateAlertsLock)
                {
                    foreach (var alert in alerts)
                    {
                        var existingAlert = updateAlerts.FirstOrDefault(a => a.Equals(alert));

                        if (existingAlert != null && alert.CanIgnore)
                        {
                            updateAlerts.Remove(existingAlert);
                            changed = true;
                        }
                        else if (existingAlert is XenServerUpdateAlert updAlert)
                        {
                            updateAlerts.Remove(updAlert);
                            updAlert.CopyConnectionsAndHosts(alert);
                            if (!updateAlerts.Contains(updAlert))
                            {
                                updateAlerts.Add(updAlert);
                            }
                            changed = true;
                        }
                        else if (!alert.CanIgnore && !updateAlerts.Contains(alert))
                        {
                            updateAlerts.Add(alert);
                            changed = true;
                        }
                    }
                }

                if (changed)
                {
                    UpdateAlertCollectionChanged?.Invoke(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, UpdateAlerts));
                }
            }
            catch (Exception e)
            {
                log.Error("Failed to refresh the updates", e);
            }
        }
Example #3
0
        private static void actionCompleted(ActionBase sender)
        {
            Program.AssertOffEventThread();

            if (!(sender is DownloadUpdatesXmlAction action))
            {
                return;
            }

            bool   succeeded    = action.Succeeded;
            string errorMessage = string.Empty;

            if (succeeded)
            {
                lock (downloadedUpdatesLock)
                {
                    XenCenterVersions             = action.XenCenterVersions;
                    XenServerVersionsForAutoCheck = action.XenServerVersionsForAutoCheck;
                    XenServerVersions             = action.XenServerVersions;
                    XenServerPatches = action.XenServerPatches;
                }
            }
            else
            {
                if (action.Exception != null)
                {
                    if (action.Exception is System.Net.Sockets.SocketException)
                    {
                        errorMessage = Messages.AVAILABLE_UPDATES_NETWORK_ERROR;
                    }
                    else
                    {
                        // Clean up and remove excess newlines, carriage returns, trailing nonsense
                        string errorText = action.Exception.Message.Trim();
                        errorText    = System.Text.RegularExpressions.Regex.Replace(errorText, @"\r\n+", "");
                        errorMessage = string.Format(Messages.AVAILABLE_UPDATES_ERROR, errorText);
                    }
                }

                if (string.IsNullOrEmpty(errorMessage))
                {
                    errorMessage = Messages.AVAILABLE_UPDATES_INTERNAL_ERROR;
                }
            }

            lock (updateAlertsLock)
            {
                updateAlerts.Clear();

                if (succeeded)
                {
                    var xenCenterAlerts = NewXenCenterUpdateAlerts(XenCenterVersions, Program.Version);
                    updateAlerts.AddRange(xenCenterAlerts.Where(a => !a.IsDismissed()));

                    var xenServerUpdateAlerts = NewXenServerVersionAlerts(XenServerVersionsForAutoCheck);
                    updateAlerts.AddRange(xenServerUpdateAlerts.Where(a => !a.CanIgnore));

                    var xenServerPatchAlerts = NewXenServerPatchAlerts(XenServerVersions, XenServerPatches);
                    updateAlerts.AddRange(xenServerPatchAlerts.Where(a => !a.CanIgnore));
                }
            }

            UpdateAlertCollectionChanged?.Invoke(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, UpdateAlerts));

            CheckForUpdatesCompleted?.Invoke(succeeded, errorMessage);
        }