public EventSourcingDomainRepository(IEventStore eventStore,
IEventPublisher publisher,
ISnapshotProvider snapshotProvider) : base(publisher)
{
this.eventStore = eventStore;
this.snapshotProvider = snapshotProvider;
}
/// <summary>
/// Returns an XMl representation of special objects on the system.
/// The only real use-case we can imagine for now is the list of NT VSS providers
/// (System state, Exchange and SQLServer providers, maybe HyperV vm images)
/// Another use case (not studied yet) would be VMWare®© storage API
/// </summary>
/*internal static string BuildObjectsList(){
* string xml = "";
* xml += "<objects name=\"/\" type=\"\" version=\"\">";
* ISnapshotProvider provider = SnapshotProvider.GetProvider();
* foreach(ISnapshot sn in provider.ListSpecialObjects()){
* xml += "<object name=\""+sn.Name+"\" path=\""+sn.Path+"\" version=\""+sn.Version+"\" type=\""+sn.Type+"\">";
* foreach(ISnapshot childSn in sn.ChildComponents)
* xml += "<childObject name=\""+childSn.Name+"\" path=\""+childSn.Path+"\" version=\""+childSn.Version+"\" type=\""+childSn.Type+"\" leaf=\"true\"/>";
* xml += "</object>";
* }
* xml += "</objects>";
* return xml;
* }*/
internal static string BuildObjectsList()
{
string xml = "";
xml += "{name:\"VSS Writers\", type:\"\", version:\"\", children:[";
if (!Utilities.PlatForm.IsUnixClient())
{
ISnapshotProvider provider = SnapshotProvider.GetProvider("VSS");
List <ISnapshot> spos = provider.ListSpecialObjects();
if (spos != null)
{
foreach (ISnapshot sn in spos)
{
xml += "{name:\"" + sn.Path + "\", path:\"" + sn.MountPoint + "\", version:\"" + sn.Version + "\", type:\"" + sn.Type + "\", disabled:\"" + sn.Disabled + "\", checked:false, children:[";
foreach (ISnapshot childSn in sn.ChildComponents)
{
xml += "{name:\"" + childSn.Path + "\", path:\"" + childSn.MountPoint + "\", version:\"" + childSn.Version + "\", type:\"" + childSn.Type + "\", leaf:\"true\", disabled:\"" + childSn.Disabled
+ "\", icon:\"" + ((childSn.Icon == null)? "" : "data:image/x-windows-bmp;base64," + Convert.ToBase64String(childSn.Icon)) + "\"";
if (childSn.Disabled == false)
{
xml += ", checked:false";
}
xml += "},";
}
xml += "]},";
}
}
}
xml += "]}";
return(xml);
}
public AccountController(ISnapshotProvider <AccountSnapshot> snapshotProvider,
IQueryFilterService <AccountSnapshot> queryFilterService,
IGlobalsProvider globalsProvider)
{
_snapshotProvider = snapshotProvider;
_queryFilterService = queryFilterService;
_globalsProvider = globalsProvider;
}
protected override BitmapSource[] CaptureFrames(ISnapshotProvider snapshotProvider, Rect clippingRectangle, Color shadeColor, IProgressScope progress, Func <bool> getIsCancelled)
{
var frame1 = this.PrintVersionTag(snapshotProvider.Snapshot(clippingRectangle, this.SampleFactor, shadeColor),
this.Owner.Owner.TankInstance);
var frame2 = this.PrintVersionTag(this.Owner.Owner.AlternativeSnapshotProvider.Snapshot(clippingRectangle, this.SampleFactor, shadeColor),
this.Owner.Owner.AlternativeTankInstance);
return(new[] { frame1, frame2 });
}
protected override BitmapSource[] CaptureFrames(ISnapshotProvider snapshotProvider, Rect clippingRectangle, Color shadeColor, IProgressScope progress, Func <bool> getIsCancelled)
{
return(snapshotProvider.YawAnimationSnapshot(clippingRectangle,
this.SampleFactor,
shadeColor,
this.RotationSpeed,
this.AnimationFramerate,
progress,
getIsCancelled));
}
public MultipleSinkChain(string id, string name, ISnapshotProvider source, params ISnapshotConsumer[] sinks)
{
Name = name;
Id = id;
_source = source;
_sinks = sinks;
}
public void AddProvider(ISnapshotProvider snapshotProvider)
{
Argument.IsNotNull(() => snapshotProvider);
#if DEBUG
Log.Debug($"[{Scope}] Adding provider {snapshotProvider.GetType()} to the SnapshotManager (Scope = '{Scope ?? "null"}')");
#endif
lock (_providers)
{
_providers.Add(snapshotProvider);
}
SnapshotProviderAdded.SafeInvoke(this, new SnapshotProviderEventArgs(snapshotProvider));
}
/// <summary>
/// Creates new instance.
/// </summary>
/// <param name="store">The underlaying event store.</param>
/// <param name="formatter">The formatter for serializing and deserializing event payloads.</param>
/// <param name="factory">The aggregate root factory.</param>
/// <param name="eventDispatcher">The dispatcher for newly created events in the aggregates.</param>
/// <param name="snapshotProvider">The snapshot provider.</param>
/// <param name="snapshotStore">The store for snapshots.</param>
public AggregateRootRepository(IEventStore store, IFormatter formatter, IAggregateRootFactory <T> factory, IEventDispatcher eventDispatcher,
ISnapshotProvider snapshotProvider, ISnapshotStore snapshotStore)
{
Ensure.NotNull(store, "store");
Ensure.NotNull(formatter, "formatter");
Ensure.NotNull(factory, "factory");
Ensure.NotNull(eventDispatcher, "eventDispatcher");
Ensure.NotNull(snapshotProvider, "snapshotProvider");
Ensure.NotNull(snapshotStore, "snapshotStore");
this.store = store;
this.formatter = formatter;
this.factory = factory;
this.eventDispatcher = eventDispatcher;
this.snapshotProvider = snapshotProvider;
this.snapshotStore = snapshotStore;
}
public Host(ILogger <Host> logger, ITimer timer,
ISnapshotProvider snapshotProvider,
IFileHandler fileHandler, IOptions <Settings> settings)
{
this.logger = logger;
this.timer = timer;
this.fileHandler = fileHandler;
this.settings = settings;
timer.OnElapsed(async() =>
{
using (var stream = await snapshotProvider.GetSnapshot())
{
fileHandler.SaveStream(stream);
}
});
}
public EventStoreBase(ITracer tracer, ITextSerializer serializer, ISystemTime dateTime, ISnapshotProvider snapshoter, IMetadataProvider metadataProvider)
{
this.tracer = tracer;
this.serializer = serializer;
this.dateTime = dateTime;
this.snapshoter = snapshoter;
this.metadataProvider = metadataProvider;
this.lastUpdateTimeProvider = () => dateTime.Now.ToString("o");
// TODO: could be replaced with a compiled lambda
var constructor = typeof(T).GetConstructor(new[] { typeof(Guid), typeof(IEnumerable <IVersionedEvent>) });
if (constructor == null)
{
throw new InvalidCastException("Type T must have a constructor with the following signature: .ctor(Guid, IEnumerable<IVersionedEvent>)");
}
this.entityFactory = (id, events) => (T)constructor.Invoke(new object[] { id, events });
if (typeof(IMementoOriginator).IsAssignableFrom(typeof(T)) && this.snapshoter != null)
{
// TODO: could be replaced with a compiled lambda to make it more performant
var mementoConstructor = typeof(T).GetConstructor(new[] { typeof(Guid), typeof(IMemento), typeof(IEnumerable <IVersionedEvent>) });
if (mementoConstructor == null)
{
throw new InvalidCastException(
"Type T must have a constructor with the following signature: .ctor(Guid, IMemento, IEnumerable<IVersionedEvent>)");
}
this.originatorEntityFactory = (id, memento, events) => (T)mementoConstructor.Invoke(new object[] { id, memento, events });
this.cacheMementoIfApplicable = (T originator) => this.snapshoter.CacheMementoIfApplicable(originator, _sourceType);
this.getMementoFromCache = id => this.snapshoter.GetMementoFromCache(id, _sourceType);
this.markCacheAsStale = id => this.snapshoter.MarkCacheAsStale(id, _sourceType);
}
else
{
// if no cache object or is not a cache originator, then no-op
this.cacheMementoIfApplicable = o => { };
this.getMementoFromCache = id => { return(null); };
this.markCacheAsStale = id => { };
}
}
public override void BeginCapture(ISnapshotProvider snapshotProvider, TankInstance tank, Rect clippingRectangle, Color shadeColor, string outputFilename)
{
DialogManager.Instance.ShowProgressAsync(this.CapturingDialogTitle,
string.Format(this.CapturingDialogMessage, tank.Name),
isCancellable: false)
.ContinueWith(t =>
{
t.Result.SetIndeterminate();
var captureCompleted = false;
var dispatcherTimer = new DispatcherTimer(DispatcherPriority.Background,
Application.Current.Dispatcher);
dispatcherTimer.Interval = TimeSpan.FromSeconds(0.5);
dispatcherTimer.Tick +=
(o, e) =>
{
dispatcherTimer.Stop();
var bitmapSource = snapshotProvider.Snapshot(clippingRectangle, (float)this.SampleFactor, StaticCapturerBase.GetStaticShadeColor(shadeColor));
using (var file = File.OpenWrite(outputFilename))
{
var encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(bitmapSource));
encoder.Save(file);
}
captureCompleted = true;
};
dispatcherTimer.Start();
while (!captureCompleted)
{
Thread.Sleep(100);
}
t.Result.SetTitle(this.CaptureCompletedDialogTitle);
t.Result.SetMessage(string.Format(this.CaptureCompletedDialogMessage, outputFilename));
Thread.Sleep(1000);
t.Result.CloseAsync();
});
}
public ProviderController(ISnapshotProvider <ExtendedProviderSnapshot> extendedSnapshotProvider,
IQueryFilterService <ExtendedProviderSnapshot> queryFilterService,
Validator validator,
IRepo <Provider> providerRepo,
IProviderManagerFactory providerManagerFactory,
ICalendarService <Freelance> calendarService,
ICalendarService <Employment> employmentCalendarService,
ICalendarService <FreelanceCalendarPeriod> availabilityCalendarService,
TraktatContext context, ICerberosMum cerberosMum
) : base(context, cerberosMum)
{
ProviderManager = providerManagerFactory.Create(Cerberos, providerRepo);
_extendedSnapshotProvider = extendedSnapshotProvider;
_queryFilterService = queryFilterService;
_validator = validator;
_providerRepo = providerRepo;
FreelanceCalendarService = calendarService;
EmploymentCalendarService = employmentCalendarService;
AvailabilityCalendarService = availabilityCalendarService;
}
public bool RemoveProvider(ISnapshotProvider snapshotProvider)
{
Argument.IsNotNull(() => snapshotProvider);
#if DEBUG
Log.Debug($"[{Scope}] Removing provider {snapshotProvider.GetType()} from the SnapshotManager (Tag == \"{Scope ?? "null"}\")");
#endif
var removed = false;
lock (_providers)
{
removed = _providers.Remove(snapshotProvider);
}
if (removed)
{
SnapshotProviderRemoved.SafeInvoke(this, new SnapshotProviderEventArgs(snapshotProvider));
return(true);
}
return(false);
}
/// <summary>
/// Performs a snapshot text with a given test context/object pair, using a given instantiated snapshot provider.
/// </summary>
public static void Snapshot <T>([NotNull] ISnapshotProvider <T> provider, [NotNull] T target, [NotNull] TestContext context, bool recordMode)
{
string targetPath = CombinedTestResultPath(TestResultsPath(), context);
// Verify path exists
if (!Directory.Exists(targetPath))
{
Directory.CreateDirectory(targetPath);
}
string testFileName = context.TestName + ".png";
string testFilePath = Path.Combine(targetPath, testFileName);
// Verify comparison file's existence (if not in record mode)
if (!recordMode)
{
if (!File.Exists(testFilePath))
{
Assert.Fail($"Could not find reference image file {testFilePath} to compare. Please re-run the test with {nameof(recordMode)} set to true to record a test result to compare later.");
}
}
var image = provider.GenerateBitmap(target);
if (recordMode)
{
image.Save(testFilePath, ImageFormat.Png);
Assert.Fail(
$"Saved image to path {testFilePath}. Re-run test mode with {nameof(recordMode)} set to false to start comparing with record test result.");
}
else
{
// Load recorded image and compare
using (var expected = (Bitmap)Image.FromFile(testFilePath))
using (var expLock = expected.FastLock())
using (var actLock = image.FastLock())
{
bool areEqual = expLock.Width == actLock.Width && expLock.DataArray.SequenceEqual(actLock.DataArray);
if (areEqual)
{
return; // Success!
}
// Save to test results directory for further inspection
string directoryName = CombinedTestResultPath(context.TestDir, context);
string baseFileName = Path.ChangeExtension(testFileName, null);
string savePathExpected = Path.Combine(directoryName, Path.ChangeExtension(baseFileName + "-expected", ".png"));
string savePathActual = Path.Combine(directoryName, Path.ChangeExtension(baseFileName + "-actual", ".png"));
// Ensure path exists
if (!Directory.Exists(directoryName))
{
Assert.IsNotNull(directoryName, "directoryName != null");
Directory.CreateDirectory(directoryName);
}
image.Save(savePathActual, ImageFormat.Png);
expected.Save(savePathExpected, ImageFormat.Png);
context.AddResultFile(savePathActual);
Assert.Fail($"Resulted image did not match expected image. Inspect results under directory {directoryName} for info about results");
}
}
}
public SnapshotProviderEventArgs(ISnapshotProvider snapshotProvider)
{
SnapshotProvider = snapshotProvider;
}
public override void BeginCapture(ISnapshotProvider snapshotProvider, TankInstance tank, Rect clippingRectangle, Color shadeColor, string outputFilename)
{
DialogManager.Instance.ShowProgressAsync(this.CaptureDialogTitle,
string.Format(this.CaptureDialogMessage, tank.Name),
isCancellable: true)
.ContinueWith(t =>
{
Thread.Sleep(500);
DialogManager.AssignTask(
t.Result,
ActionTask.Create("ExportAnimationCapture",
progress =>
{
Application.Current.Dispatcher.Invoke(new Action(() =>
{
var takeSnapshotProgress = progress.AddChildScope("TakeSnapshot", 80);
var encodeProgress = progress.AddChildScope("EncodeGIF", 20);
var frameSources = this.CaptureFrames(snapshotProvider, clippingRectangle, shadeColor, takeSnapshotProgress, () => t.Result.IsCanceled);
if (t.Result.IsCanceled)
{
return;
}
var encoder = new AnimatedGifEncoder();
using (var file = File.OpenWrite(outputFilename))
{
encoder.Start(file);
encoder.SetRepeat(0);
encoder.SetDelay((int)(this.FrameTime * 1000));
for (var i = 0; i < frameSources.Length; ++i)
{
encodeProgress.ReportProgress((double)i / frameSources.Length);
if (t.Result.IsCanceled)
{
return;
}
if (this.IsBackgroundTransparent)
{
encoder.SetTransparentColor(shadeColor);
}
encoder.AddFrame(frameSources[i]);
}
encoder.Finish();
}
progress.ReportIsIndetermine();
t.Result.SetTitle(this.CaptureCompletedDialogTitle);
t.Result.SetMessage(string.Format(this.CaptureCompletedDialogMessage, outputFilename));
Thread.Sleep(1000);
progress.ReportProgress(1.0);
}));
}));
});
}
public void AddProvider(AggregateRootType eventProviderType, ISnapshotProvider snapshotProvider)
{
Contract.Requires(eventProviderType != null);
Contract.Requires(snapshotProvider != null);
Contract.Ensures(GetProvider(eventProviderType) != null);
}
public ISnapshot[] CreateVolumeSnapShot(List <FileSystem> volumes, string[] spoPaths, SnapshotSupportedLevel level)
{
using (new Alphaleonis.Win32.Security.PrivilegeEnabler(Privilege.Backup, Privilege.Restore)){
//PrivilegesManager pm = new PrivilegesManager();
//pm.Grant();
VssBackupType vssLevel = VssBackupType.Full;
if (level == SnapshotSupportedLevel.Full)
{
vssLevel = VssBackupType.Full;
}
else if (level == SnapshotSupportedLevel.Incremental)
{
vssLevel = VssBackupType.Incremental;
}
else if (level == SnapshotSupportedLevel.Differential)
{
vssLevel = VssBackupType.Differential;
}
else if (level == SnapshotSupportedLevel.TransactionLog)
{
vssLevel = VssBackupType.Log;
}
ArrayList snapshots = new ArrayList();
Metadata = new SPOMetadata();
bool snapshotSuccedeed = false;
try{
IVssImplementation vss = VssUtils.LoadImplementation();
backup = vss.CreateVssBackupComponents();
Logger.Append(Severity.DEBUG, "0/6 Initializing Snapshot (" + ((spoPaths == null)? "NON-component mode" : "component mode") + ", level " + level + ")");
backup.InitializeForBackup(null);
if (spoPaths == null) // component-less snapshot set
{
backup.SetBackupState(false, true, VssBackupType.Full, false);
}
else
{
backup.SetBackupState(true, true, vssLevel, (vssLevel == VssBackupType.Full)?false:true);
}
if (OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
{
// The only context supported on Windows XP is VssSnapshotContext.Backup
backup.SetContext(VssSnapshotContext.AppRollback /*|VssSnapshotContext.All*/);
}
Logger.Append(Severity.DEBUG, "1/6 Gathering writers metadata and status");
using (IVssAsync async = backup.GatherWriterMetadata()){
async.Wait();
async.Dispose();
}
// gather writers status before adding backup set components
using (IVssAsync async = backup.GatherWriterStatus()){
async.Wait();
async.Dispose();
}
Logger.Append(Severity.DEBUG, "2/6 Adding writers and components");
// Now we add the components (vss writers, writer paths/params) of this snapshot set
if (spoPaths != null)
{
foreach (IVssExamineWriterMetadata writer in backup.WriterMetadata)
{
foreach (string spo in spoPaths)
{
//Logger.Append (Severity.TRIVIA, "Searching writer and/or component matching "+spo);
int index = spo.IndexOf(writer.WriterName);
if (index < 0 && spo != "*")
{
continue;
}
bool found = false;
Logger.Append(Severity.TRIVIA, "Found matching writer " + writer.WriterName + ", instance name=" + writer.InstanceName);
// First we check that the writer's status is OK, else we don't add it to avoid failure of complete snapshot if it's not
bool writerOk = false;
foreach (VssWriterStatusInfo status in backup.WriterStatus)
{
if (status.Name == writer.WriterName)
{
Logger.Append(Severity.TRIVIA, "Checking required writer " + status.Name
+ ", status=" + status.State.ToString() + ", error state=" + status.Failure.ToString());
if (status.State == VssWriterState.Stable && status.Failure == VssError.Success) // if we get there it means that we are ready to add the wanted component to VSS set
{
writerOk = true;
}
else
{
Logger.Append(Severity.ERROR, "Cannot add writer " + status.Name + " to snapshot set,"
+ " status=" + status.State.ToString() + ". Backup data managed by this writer may not be consistent");
if (LogEvent != null)
{
LogEvent(this, new LogEventArgs(820, Severity.WARNING, status.Name + ", Status=" + status.State.ToString() + ", Failure=" + status.Failure.ToString()));
}
}
}
}
if (!writerOk)
{
if (OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
{
backup.DisableWriterClasses(new Guid[] { writer.WriterId });
}
continue;
}
bool addAllComponents = false;
if (spo.Length == index + writer.WriterName.Length || spo == "*" || spo == "" + writer.WriterName + @"\*")
{
addAllComponents = true;
}
foreach (IVssWMComponent component in writer.Components)
{
found = false;
//Console.WriteLine("createvolsnapshot : current component is :"+component.LogicalPath+@"\"+component.ComponentName);
if ((!addAllComponents) && spo.IndexOf(component.LogicalPath + @"\" + component.ComponentName) < 0)
{
continue;
}
//Logger.Append (Severity.TRIVIA, "Asked to recursively select all '"+writer.WriterName+"' writer's components");
if (OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
{
foreach (VssWMDependency dep in component.Dependencies)
{
Logger.Append(Severity.TRIVIA, "Component " + component.ComponentName + " depends on component " + dep.ComponentName);
}
}
if (component.Selectable)
{
backup.AddComponent(writer.InstanceId, writer.WriterId, component.Type, component.LogicalPath, component.ComponentName);
}
Logger.Append(Severity.INFO, "Added writer '" + writer.WriterName + "' component " + component.ComponentName);
found = true;
// Second we need to find every drive containing files necessary for writer's backup
// and add them to drives list, in case they weren't explicitely selected as part of backuppaths
List <VssWMFileDescription> componentFiles = new List <VssWMFileDescription>();
componentFiles.AddRange(component.Files);
componentFiles.AddRange(component.DatabaseFiles);
componentFiles.AddRange(component.DatabaseLogFiles);
foreach (VssWMFileDescription file in componentFiles)
{
if (string.IsNullOrEmpty(file.Path))
{
continue;
}
//Console.WriteLine ("component file path="+file.Path+", alt backuplocation="+file.AlternateLocation
// +", backuptypemask="+file.BackupTypeMask.ToString()+", spec="+file.FileSpecification+", recursive="+file.IsRecursive);
// TODO : Reuse GetInvolvedDrives (put it into VolumeManager class)
string drive = file.Path.Substring(0, 3).ToUpper();
if (drive.Contains(":") && drive.Contains("\\"))
{
var searchedVol = from FileSystem vol in volumes
where vol.MountPoint.Contains(drive)
select vol;
//if(!volumes.Contains(drive)){
if (searchedVol == null)
{
Logger.Append(Severity.INFO, "Select VSS component " + component.LogicalPath
+ @"\" + component.ComponentName + " requires snapshotting of drive " + drive + ", adding it to the list.");
volumes.Add(searchedVol.First());
}
break;
}
}
//Logger.Append(Severity.TRIVIA, "Added writer/component "+spo);
//break;
}
//metadata.Metadata.Add(writer.SaveAsXml());
Metadata.Metadata.Add(writer.WriterName, writer.SaveAsXml());
if (found == false)
{
Logger.Append(Severity.WARNING, "Could not find VSS component " + spo + " which was part of backup paths");
}
}
}
}
Logger.Append(Severity.DEBUG, "3/6 Preparing Snapshot ");
//backup.SetBackupState(false, true, VssBackupType.Full, false);
Guid snapID = backup.StartSnapshotSet();
//Guid volID = new Guid();
foreach (FileSystem volume in volumes)
{
VSSSnapshot snapshot = new VSSSnapshot();
snapshot.Type = this.Name;
Logger.Append(Severity.DEBUG, "Preparing Snapshot of " + volume.MountPoint);
if (volume.MountPoint != null && backup.IsVolumeSupported(volume.MountPoint))
{
snapshot.Id = backup.AddToSnapshotSet(volume.MountPoint);
snapshot.Path = volume.MountPoint;
}
else // return the fake provider to get at least a degraded backup, better than nothing
{
Logger.Append(Severity.WARNING, "Volume '" + volume.MountPoint + "' is not snapshottable (or null). Backup will be done without snapshot, risks of data inconsistancy.");
ISnapshotProvider fakeSnapProvider = SnapshotProvider.GetProvider("NONE");
List <FileSystem> fakeList = new List <FileSystem>();
fakeList.Add(volume);
snapshot = (VSSSnapshot)fakeSnapProvider.CreateVolumeSnapShot(fakeList, null, SnapshotSupportedLevel.Full)[0];
}
if (snapshot.Id == System.Guid.Empty)
{
Logger.Append(Severity.ERROR, "Unable to add drive " + volume.MountPoint + " to snapshot set (null guid)");
}
else
{
Logger.Append(Severity.TRIVIA, "Drive " + volume.MountPoint + " will be snapshotted to " + snapshot.Id);
}
snapshots.Add(snapshot);
}
Logger.Append(Severity.DEBUG, "4/6 Calling Prepare...");
using (IVssAsync async = backup.PrepareForBackup()){
async.Wait();
async.Dispose();
}
Logger.Append(Severity.DEBUG, "5/6 Snapshotting volumes");
using (IVssAsync async = backup.DoSnapshotSet()){
async.Wait();
async.Dispose();
}
//if(OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003))
foreach (IVssExamineWriterMetadata w in backup.WriterMetadata)
{
foreach (IVssWMComponent comp in w.Components)
{
try{
backup.SetBackupSucceeded(w.InstanceId, w.WriterId, comp.Type, comp.LogicalPath, comp.ComponentName, true);
Logger.Append(Severity.TRIVIA, "Component " + comp.ComponentName + " has been notified about backup success.");
}
catch (Exception) {
//Logger.Append (Severity.WARNING, "Could not notify component "+comp.ComponentName+" about backup completion : "+se.Message);
}
}
}
//Node.Misc.VSSObjectHandle.StoreObject(backup);
try{
//on XP backupcomplete consider that we have done with the snapshot and releases it.
//if(OperatingSystemInfo.IsAtLeast(OSVersionName.WindowsServer2003)){
backup.BackupComplete();
Metadata.Metadata.Add("_bcd_", backup.SaveAsXml());
//}
}catch (Exception bce) {
Logger.Append(Severity.WARNING, "Error calling VSS BackupComplete() : " + bce.Message);
}
using (IVssAsync async = backup.GatherWriterStatus()){
async.Wait();
async.Dispose();
}
Logger.Append(Severity.DEBUG, "6/6 Successfully shapshotted volume(s) ");
foreach (ISnapshot sn in snapshots)
{
if (sn.Id == Guid.Empty)
{
continue;
}
sn.MountPoint = backup.GetSnapshotProperties(sn.Id).SnapshotDeviceObject;
sn.TimeStamp = Utilities.Utils.GetUtcUnixTime(backup.GetSnapshotProperties(sn.Id).CreationTimestamp.ToUniversalTime());
/*
* DirectoryInfo snapMountPoint = Directory.CreateDirectory( Path.Combine(Utilities.ConfigManager.GetValue("Backups.TempFolder"), "snapshot_"+sn.Id));
* Logger.Append(Severity.DEBUG, "Mounting shapshotted volume '"+sn.Name+"' to '"+snapMountPoint.FullName+"'");
* backup.ExposeSnapshot(sn.Id, null, VssVolumeSnapshotAttributes.ExposedLocally, snapMountPoint.FullName);
* //sn.Path = snapMountPoint.FullName+Path.DirectorySeparatorChar;
* //sn.Path = @"\\?\Volume{"+sn.Id+"}"+Path.DirectorySeparatorChar;*/
}
}
catch (Exception e) {
try{
//backup.BackupComplete();
backup.AbortBackup();
}
catch (Exception ae) {
Logger.Append(Severity.ERROR, "Error trying to cancel VSS snapshot set : " + ae.Message);
}
// TODO !! report snapshoty failure to hub task
Logger.Append(Severity.ERROR, "Error creating snapshot :'" + e.Message + " ---- " + e.StackTrace + "'. Backup will continue without snapshot. Backup of VSS components will fail. !TODO! report that to hub");
backup.Dispose();
throw new Exception(e.Message);
}
finally{
// TODO !!! reactivate dispose
//backup.Dispose();
//pm.Revoke();
}
return((ISnapshot[])snapshots.ToArray(typeof(ISnapshot)));
}
}
public void SetSnapshotProvider(ISnapshotProvider provider)
{
_snapshotProvider = provider;
}
/// <summary>
/// Creates new instance.
/// </summary>
/// <param name="eventStore">The underlaying event store.</param>
/// <param name="commandStore">The underlaying command store.</param>
/// <param name="eventFormatter">The formatter for serializing event payloads.</param>
/// <param name="commandFormatter">The formatter for serializing commands.</param>
/// <param name="factory">The process root factory.</param>
/// <param name="eventDispatcher">The dispatcher for newly created events in the processes.</param>
/// <param name="commandDispatcher">The dispatcher for newly created commands in the processes.</param>
/// <param name="snapshotProvider">The snapshot provider.</param>
/// <param name="snapshotStore">The store for snapshots.</param>
public ProcessRootRepository(IEventStore eventStore, ICommandStore commandStore, IFormatter eventFormatter, ISerializer commandFormatter,
IAggregateRootFactory <T> factory, IEventDispatcher eventDispatcher, ICommandDispatcher commandDispatcher, ISnapshotProvider snapshotProvider, ISnapshotStore snapshotStore)
: base(eventStore, eventFormatter, factory, eventDispatcher, snapshotProvider, snapshotStore)
{
Ensure.NotNull(commandStore, "commandStore");
Ensure.NotNull(commandDispatcher, "commandDispatcher");
Ensure.NotNull(commandFormatter, "commandFormatter");
this.commandStore = commandStore;
this.commandFormatter = commandFormatter;
this.commandDispatcher = commandDispatcher;
}
public EventStore(IEventBus eventBus, ICommandBus commandBus, ITextSerializer serializer, Func <EventStoreDbContext> contextFactory, ITracer tracer, ISystemTime dateTime, ISnapshotProvider snapshoter, IMetadataProvider metadataProvider)
: base(tracer, serializer, dateTime, snapshoter, metadataProvider)
{
this.eventBus = eventBus;
this.commandBus = commandBus;
this.contextFactory = contextFactory;
this.queryContextFactory = () =>
{
var context = this.contextFactory.Invoke();
context.Configuration.AutoDetectChangesEnabled = false;
return(context);
};
if (!typeof(ISqlBus).IsAssignableFrom(this.eventBus.GetType()))
{
throw new InvalidCastException("El eventBus debe implementar ISqlBus para ser transaccional con el EventStore");
}
if (!typeof(ISqlBus).IsAssignableFrom(this.commandBus.GetType()))
{
throw new InvalidCastException("El commandBus debe implementar ISqlBus para ser transaccional con el EventStore");
}
}
public void AddProvider(AggregateRootType eventProviderType, ISnapshotProvider snapshotProvider)
{
_providers.Add(eventProviderType, snapshotProvider);
Contract.Assume(GetProvider(eventProviderType) == snapshotProvider);
}
public abstract void BeginCapture(ISnapshotProvider snapshotProvider, TankInstance tank, Rect clippingRectangle, Color shadeColor, string outputFilename);
public TinyLibraryCQRSDomainRepository(IDomainEventStorage domainEventStorage, IEventBus eventBus, ISnapshotProvider snapshotProvider)
: base(domainEventStorage, eventBus, snapshotProvider)
{
}
public InMemoryEventStore(IInMemoryBus bus, ITextSerializer serializer, EventStoreDbContext context, ITracer tracer, ISystemTime dateTime, ISnapshotProvider snapshoter, IMetadataProvider metadataProvider)
: base(tracer, serializer, dateTime, snapshoter, metadataProvider)
{
this.bus = bus;
this.context = context;
}
protected abstract BitmapSource[] CaptureFrames(ISnapshotProvider snapshotProvider, Rect clippingRectangle, Color shadeColor, IProgressScope progress, Func <bool> getIsCancelled);
public EventSourcingDomainRepository(IEventStore eventStore,
IEventPublisher publisher,
ISnapshotProvider snapshotProvider)
: this(eventStore, publisher, snapshotProvider, null)
{
}
/// <summary>
/// 初始化一个 <c>EventSourcedDomainRepository</c> 类实例。
/// </summary>
/// <param name="domainEventStorage">一个 <see cref="Anycmd.Events.Storage.IDomainEventStorage{T}"/>
/// 类型的实例，该实例是一种储存领域事件的装置。</param>
/// <param name="eventBus">一个 <see cref="Anycmd.Bus.IEventBus"/> 类型的事件总线对象，领域事件发向该总线。</param>
/// <param name="snapshotProvider"><see cref="Anycmd.Snapshots.Providers.ISnapshotProvider{T}"/>
/// 处理快照操作的快照提供程序。</param>
public EventSourcedDomainRepository(IDomainEventStorage <TAggregateRootId> domainEventStorage, IEventBus eventBus, ISnapshotProvider <TAggregateRootId> snapshotProvider)
: base(eventBus)
{
this._domainEventStorage = domainEventStorage;
this._snapshotProvider = snapshotProvider;
}
/// <summary>
/// Initializes a new instance of <c>EventSourcedDomainRepository</c> class.
/// </summary>
/// <param name="domainEventStorage">The <see cref="Apworks.Events.Storage.IDomainEventStorage"/> instance
/// that handles the storage mechanism for domain events.</param>
/// <param name="eventBus">The <see cref="Apworks.Bus.IEventBus"/> instance to which the domain events
/// are published.</param>
/// <param name="snapshotProvider">The <see cref="Apworks.Snapshots.Providers.ISnapshotProvider"/> instance
/// that is used for handling the snapshot operations.</param>
public EventSourcedDomainRepository(IDomainEventStorage domainEventStorage, IEventBus eventBus, ISnapshotProvider snapshotProvider)
: base(eventBus)
{
this.domainEventStorage = domainEventStorage;
this.snapshotProvider = snapshotProvider;
}
/// <summary>
/// This method first looks if backup needs snapshotting drives. If so, then we do snapshot
/// and use it to call BuildBackup method
/// </summary>
private void PrepareDrivesAndSnapshots()
{
SnapshotSupportedLevel snapLevel = ConvertBackupLevelToSnLevel(this.Level);
Logger.Append(Severity.INFO, "Preparing backup for Task " + this.Id);
HubNotificationEvent(this.Id, 701 /*snapshotting*/, "", "");
backupRootDrives = GetBackupInvolvedRootDrives();
Console.WriteLine("PrepareDrivesAndSnapshots()() backupRootDrives count=" + backupRootDrives.Count);
string[] snapshotProvNames = new string[backupRootDrives.Count];
for (int i = 0; i < backupRootDrives.Count; i++)
{
if (backupRootDrives[i].RequiresSnapshot)
{
snapshotProvNames[i] = SnapshotProvider.GetDriveSnapshotProviderName(backupRootDrives[i].SystemDrive.MountPoint);
}
else
{
snapshotProvNames[i] = "NONE";
}
}
// the final list of all snapshot needed to perform the backup set
backupSnapshots = new List <ISnapshot>();
// We try to make all snapshot in the shortest amount of time we can,
// for data to be as consistent as possible
foreach (string snapProv in snapshotProvNames.Distinct())
{
Console.WriteLine("PrepareDrivesAndSnapshots() snapshotProvNames=" + snapProv);
List <FileSystem> snapShotMemberDrives = new List <FileSystem>();
for (int i = 0; i < backupRootDrives.Count; i++)
{
if (snapshotProvNames[i] == snapProv)
{
snapShotMemberDrives.Add(backupRootDrives[i].SystemDrive);
}
}
//Gather SpecialObjects (VSS writers) if any
var spoList = from BasePath bp in this.BackupSet.BasePaths
where bp.Type != null && bp.Type.ToLower().StartsWith("object:") //P2PBackup.Common.BasePath.PathType.OBJECT
select bp.Path;
ISnapshotProvider snapProvider = SnapshotProvider.GetProvider(snapProv);
snapshotProviders.Add(snapProvider);
snapProvider.LogEvent += LogReceivedEvent;
ISnapshot[] volSnaps;
try{
volSnaps = snapProvider.CreateVolumeSnapShot(snapShotMemberDrives, spoList.ToArray(), snapLevel);
//if(snapProvider.Metadata != null)
// Index.Header.ProviderMetadata.Add(new Tuple<string, Hashtable>(snapProvider.Name, snapProvider.Metadata.Metadata));
string volList = "";
foreach (FileSystem vol in snapShotMemberDrives)
{
volList += vol.MountPoint + ",";
}
Logger.Append(Severity.INFO, "Took snapshots (type " + snapProvider.Type + ") of drives " + volList);
}
catch (Exception e) {
// we return a fake snapshot (snapshot path is the volume itself)
string volList = "";
foreach (FileSystem vol in snapShotMemberDrives)
{
volList += vol.MountPoint + ",";
}
Logger.Append(Severity.WARNING, "Unable to take snapshot of drives " + volList + ", falling back to fake provider. Error was : " + e.Message + " --- " + e.StackTrace);
HubNotificationEvent(this.Id, 805 /*cant snapshot*/, volList, e.Message);
ISnapshotProvider nullProv = SnapshotProvider.GetProvider("NONE");
volSnaps = nullProv.CreateVolumeSnapShot(snapShotMemberDrives, spoList.ToArray(), snapLevel);
}
backupSnapshots.AddRange(volSnaps);
snapProvider.LogEvent -= LogReceivedEvent;
}
//finally, add snapshot to corresponding BackupRootDrive
Console.WriteLine("##### dumping rootdrives : ");
foreach (BackupRootDrive rd in backupRootDrives)
{
foreach (ISnapshot snap in backupSnapshots)
{
if (/*snap.MountPoint*/ snap.Path == rd.SystemDrive.MountPoint)
{
rd.Snapshot = snap;
Console.WriteLine("matched snapshot : " + snap.Path + ", snap mount path=" + snap.MountPoint);
// let's change paths and excluded paths to their snapshotted values
foreach (BasePath bp in rd.Paths)
{
//bp.Path = snap.Path + bp.Path;
/*if(snap.Name == "/")
* bp.Path = snap.Path;
* else
* bp.Path = bp.Path.Replace(snap.Name, snap.Path);*/
for (int i = 0; i < bp.ExcludedPaths.Count; i++)
{
//bp.ExcludedPaths[i] = snap.Path + bp.ExcludedPaths[i];
if (snap.Path == "/")
{
bp.ExcludedPaths[i] = snap.MountPoint + bp.ExcludedPaths[i];
}
else
{
bp.ExcludedPaths[i] = bp.ExcludedPaths[i].Replace(snap.Path, snap.MountPoint);
//bp.ExcludedPaths[i] = bp.ExcludedPaths[i].Replace(snap.Name, "");
//bp.ExcludedPaths[i] = Path.Combine(snap.Path, bp.ExcludedPaths[i]);
//bp.ExcludedPaths[i] = Path.GetFullPath(bp.ExcludedPaths[i]);
}
}
}
break;
}
}
Console.WriteLine("BackupRootDrive id=" + rd.ID + ", mount=" + rd.SystemDrive.MountPoint /*+", snapshot= "+rd.snapshot.Path*/);
foreach (BasePath p in rd.Paths)
{
Console.WriteLine("\t p=" + p.Path + ", excludes : ");
foreach (string s in p.ExcludedPaths)
{
Console.WriteLine("\t excluded " + s);
}
Console.WriteLine("\t\t, include patterns : ");
foreach (string s in p.IncludePolicy)
{
Console.WriteLine("\t match " + s);
}
}
}
Console.WriteLine("##### #####");
foreach (BackupRootDrive rds in backupRootDrives)
{
Logger.Append(Severity.DEBUG, "Drive '" + rds.SystemDrive.OriginalMountPoint + "' was snapshotted to '" + rds.Snapshot.MountPoint + "' using provider '" + rds.Snapshot.Type + "' with timestamp " + rds.Snapshot.TimeStamp + " (" + Utils.GetLocalDateTimeFromUnixTime(rds.Snapshot.TimeStamp) + ")");
}
}
