コード例 #1
0
        /// <summary>Run the SMA update process</summary>
        /// <returns></returns>
        public async Task Update()
        {
            // TODO: Add option to wait for user confirmation to update

            if (UpdateEnabled == false)
            {
                return;
            }

            ReleaseEntry updateVersion = null;

            try
            {
                if (Wininet.HasNetworking() == false)
                {
                    return;
                }

                CancellationTokenSource cts = new CancellationTokenSource(0);
                cts.Cancel();

                using (await Semaphore.LockAsync(cts.Token))
                    using (var updateMgr = CreateUpdateMgr())
                    {
                        State = SMAUpdateState.Fetching;

                        var updateInfo = await updateMgr.CheckForUpdate(
                            true,
                            false,
                            progress => ProgressPct = progress,
                            UpdaterIntention.Update,
                            UpdateMinPrerelease);

                        if (updateInfo?.ReleasesToApply == null)
                        {
                            State = SMAUpdateState.Error;
                            return;
                        }

                        if (updateInfo.ReleasesToApply.None())
                        {
                            State = SMAUpdateState.UpToDate;
                            return;
                        }

                        updateVersion = updateInfo.FutureReleaseEntry;

                        State = SMAUpdateState.Downloading;

                        await updateMgr.DownloadReleases(updateInfo.ReleasesToApply, progress => ProgressPct = progress);

                        State = SMAUpdateState.Applying;

                        await updateMgr.ApplyReleases(updateInfo, progress => ProgressPct = progress);

                        State = SMAUpdateState.CreatingUninstaller;

                        await updateMgr.CreateUninstallerRegistryEntry();

                        State = SMAUpdateState.Updated;
                    }
            }
            catch (TaskCanceledException) { }
            catch (Exception ex) // TODO: Update Squirrel UpdateManager to send sub-classed Exceptions
            {
                LogTo.Warning(ex, "An exception was caught while {V} update", State.Name().ToLower(CultureInfo.InvariantCulture));
                State = SMAUpdateState.Error;
            }
            finally
            {
                Semaphore.Release();

                if (updateVersion != null)
                {
                    NotifyUpdateResult(updateVersion);
                }
            }
        }
コード例 #2
0
        public async Task Update()
        {
            // TODO: Ensure only one Update is running across all instances of SMA (in case SMA is closed during the update process)
            // TODO: Offer manual updates
            // TODO: Add option to wait for user confirmation to update

            if (UpdateEnabled == false)
            {
                return;
            }

            try
            {
                if (Wininet.HasNetworking() == false)
                {
                    return;
                }

                CancellationTokenSource cts = new CancellationTokenSource(0);
                cts.Cancel();

                using (await _semaphore.LockAsync(cts.Token))
                    using (var updateMgr = CreateUpdateMgr())
                    {
                        State = SMAUpdateState.Fetching;

                        var updateInfo = await updateMgr.CheckForUpdate(false, progress => ProgressPct = progress);

                        if (updateInfo?.ReleasesToApply == null)
                        {
                            State = SMAUpdateState.Error;
                            return;
                        }

                        if (updateInfo.ReleasesToApply.None())
                        {
                            State = SMAUpdateState.UpToDate;
                            return;
                        }

                        State = SMAUpdateState.Downloading;

                        await updateMgr.DownloadReleases(updateInfo.ReleasesToApply, progress => ProgressPct = progress);

                        State = SMAUpdateState.Applying;

                        await updateMgr.ApplyReleases(updateInfo, progress => ProgressPct = progress);

                        State = SMAUpdateState.CreatingUninstaller;

                        await updateMgr.CreateUninstallerRegistryEntry();

                        State = SMAUpdateState.Updated;
                    }
            }
            catch (TaskCanceledException) {}
            catch (Exception ex) // TODO: Update Squirrel UpdateManager to send sub-classed Exceptions
            {
                LogTo.Warning(ex, $"An exception was caught while {State.Name().ToLower()} update");
                State = SMAUpdateState.Error;
            }
            finally
            {
                _semaphore.Release();
            }
        }