public async Task <HttpResponseMessage> ApplyConflict(string filename, long remoteVersion, string remoteServerId, string remoteServerUrl)
{
var canonicalFilename = FileHeader.Canonize(filename);
var localMetadata = Synchronizations.GetLocalMetadata(canonicalFilename);
if (localMetadata == null)
{
throw new HttpResponseException(HttpStatusCode.NotFound);
}
var contentStream = await Request.Content.ReadAsStreamAsync().ConfigureAwait(false);
var current = new HistoryItem
{
ServerId = Storage.Id.ToString(),
Version = localMetadata.Value <long>(SynchronizationConstants.RavenSynchronizationVersion)
};
var currentConflictHistory = Historian.DeserializeHistory(localMetadata);
currentConflictHistory.Add(current);
var remote = new HistoryItem
{
ServerId = remoteServerId,
Version = remoteVersion
};
var remoteMetadata = RavenJObject.Load(new JsonTextReader(new StreamReader(contentStream)));
var remoteConflictHistory = Historian.DeserializeHistory(remoteMetadata);
remoteConflictHistory.Add(remote);
var conflict = new ConflictItem
{
CurrentHistory = currentConflictHistory,
RemoteHistory = remoteConflictHistory,
FileName = canonicalFilename,
RemoteServerUrl = Uri.UnescapeDataString(remoteServerUrl)
};
ConflictArtifactManager.Create(canonicalFilename, conflict);
Publisher.Publish(new ConflictNotification
{
FileName = filename,
SourceServerUrl = remoteServerUrl,
Status = ConflictStatus.Detected,
RemoteFileHeader = new FileHeader(canonicalFilename, remoteMetadata)
});
if (Log.IsDebugEnabled)
{
Log.Debug("Conflict applied for a file '{0}' (remote version: {1}, remote server id: {2}).", filename, remoteVersion, remoteServerId);
}
return(GetEmptyMessage(HttpStatusCode.NoContent));
}
public RavenFileSystem(InMemoryRavenConfiguration systemConfiguration, string name, TransportState recievedTransportState = null)
{
this.Name = name;
this.systemConfiguration = systemConfiguration;
var storageType = systemConfiguration.FileSystem.DefaultStorageTypeName;
storage = CreateTransactionalStorage(storageType, systemConfiguration);
search = new IndexStorage(systemConfiguration.FileSystem.IndexStoragePath, systemConfiguration.Settings);
sigGenerator = new SigGenerator();
var replicationHiLo = new SynchronizationHiLo(storage);
var sequenceActions = new SequenceActions(storage);
transportState = recievedTransportState ?? new TransportState();
notificationPublisher = new NotificationPublisher(transportState);
fileLockManager = new FileLockManager();
storage.Initialize();
search.Initialize();
var uuidGenerator = new UuidGenerator(sequenceActions);
historian = new Historian(storage, replicationHiLo, uuidGenerator);
BufferPool = new BufferPool(1024 * 1024 * 1024, 65 * 1024);
conflictArtifactManager = new ConflictArtifactManager(storage, search);
conflictDetector = new ConflictDetector();
conflictResolver = new ConflictResolver(storage, new CompositionContainer(systemConfiguration.Catalog));
synchronizationTask = new SynchronizationTask(storage, sigGenerator, notificationPublisher, systemConfiguration);
storageOperationsTask = new StorageOperationsTask(storage, search, notificationPublisher);
metricsCounters = new MetricsCountersManager();
AppDomain.CurrentDomain.ProcessExit += ShouldDispose;
AppDomain.CurrentDomain.DomainUnload += ShouldDispose;
}
public RavenFileSystem(InMemoryRavenConfiguration systemConfiguration, string name, TransportState receivedTransportState = null)
{
ExtensionsState = new AtomicDictionary <object>();
Name = name;
this.systemConfiguration = systemConfiguration;
systemConfiguration.Container.SatisfyImportsOnce(this);
transportState = receivedTransportState ?? new TransportState();
storage = CreateTransactionalStorage(systemConfiguration);
sigGenerator = new SigGenerator();
fileLockManager = new FileLockManager();
BufferPool = new BufferPool(1024 * 1024 * 1024, 65 * 1024);
conflictDetector = new ConflictDetector();
conflictResolver = new ConflictResolver(storage, new CompositionContainer(systemConfiguration.Catalog));
notificationPublisher = new NotificationPublisher(transportState);
synchronizationTask = new SynchronizationTask(storage, sigGenerator, notificationPublisher, systemConfiguration);
metricsCounters = new MetricsCountersManager();
search = new IndexStorage(name, systemConfiguration);
conflictArtifactManager = new ConflictArtifactManager(storage, search);
storageOperationsTask = new StorageOperationsTask(storage, DeleteTriggers, search, notificationPublisher);
AppDomain.CurrentDomain.ProcessExit += ShouldDispose;
AppDomain.CurrentDomain.DomainUnload += ShouldDispose;
}
private void StrategyAsGetCurrent(string fileName)
{
Storage.Batch(accessor =>
{
var conflict = accessor.GetConfigurationValue <ConflictItem>(RavenFileNameHelper.ConflictConfigNameForFile(fileName));
var localMetadata = accessor.GetFile(fileName, 0, 0).Metadata;
var localHistory = Historian.DeserializeHistory(localMetadata);
// incorporate remote version history into local
foreach (var remoteHistoryItem in conflict.RemoteHistory.Where(remoteHistoryItem => !localHistory.Contains(remoteHistoryItem)))
{
localHistory.Add(remoteHistoryItem);
}
localMetadata[SynchronizationConstants.RavenSynchronizationHistory] = Historian.SerializeHistory(localHistory);
accessor.UpdateFileMetadata(fileName, localMetadata);
ConflictArtifactManager.Delete(fileName, accessor);
Publisher.Publish(new ConflictNotification
{
FileName = fileName,
Status = ConflictStatus.Resolved
});
});
}
private void AssertConflictDetection(string fileName, RavenJObject localMetadata, RavenJObject sourceMetadata, ServerInfo sourceServer, out bool isConflictResolved)
{
var conflict = ConflictDetector.Check(fileName, localMetadata, sourceMetadata, sourceServer.FileSystemUrl);
isConflictResolved = ConflictResolver.IsResolved(localMetadata, conflict);
if (conflict != null && !isConflictResolved)
{
ConflictArtifactManager.Create(fileName, conflict);
Publisher.Publish(new ConflictNotification
{
FileName = fileName,
SourceServerUrl = sourceServer.FileSystemUrl,
Status = ConflictStatus.Detected,
RemoteFileHeader = new FileHeader(fileName, localMetadata)
});
Log.Debug(
"File '{0}' is in conflict with synchronized version from {1} ({2}). File marked as conflicted, conflict configuration item created",
fileName, sourceServer.FileSystemUrl, sourceServer.Id);
throw new SynchronizationException(string.Format("File {0} is conflicted", fileName));
}
}
private void AssertConflictDetection(string fileName, RavenJObject localMetadata, RavenJObject sourceMetadata, ServerInfo sourceServer, out bool isConflictResolved)
{
var conflict = ConflictDetector.Check(fileName, localMetadata, sourceMetadata, sourceServer.FileSystemUrl);
if (conflict == null)
{
isConflictResolved = false;
return;
}
isConflictResolved = ConflictResolver.CheckIfResolvedByRemoteStrategy(localMetadata, conflict);
if (isConflictResolved)
{
return;
}
ConflictResolutionStrategy strategy;
if (ConflictResolver.TryResolveConflict(fileName, conflict, localMetadata, sourceMetadata, out strategy))
{
switch (strategy)
{
case ConflictResolutionStrategy.RemoteVersion:
Log.Debug("Conflict automatically resolved by choosing remote version of the file {0}", fileName);
return;
case ConflictResolutionStrategy.CurrentVersion:
Storage.Batch(accessor =>
{
accessor.UpdateFileMetadata(fileName, localMetadata);
ConflictArtifactManager.Delete(fileName, accessor);
});
Log.Debug("Conflict automatically resolved by choosing current version of the file {0}", fileName);
throw new ConflictResolvedInFavourOfCurrentVersionException();
}
}
ConflictArtifactManager.Create(fileName, conflict);
Publisher.Publish(new ConflictNotification
{
FileName = fileName,
SourceServerUrl = sourceServer.FileSystemUrl,
Status = ConflictStatus.Detected,
RemoteFileHeader = new FileHeader(fileName, localMetadata)
});
Log.Debug(
"File '{0}' is in conflict with synchronized version from {1} ({2}). File marked as conflicted, conflict configuration item created",
fileName, sourceServer.FileSystemUrl, sourceServer.Id);
throw new SynchronizationException(string.Format("File {0} is conflicted", fileName));
}
public HttpResponseMessage ResolveConflict(string filename, ConflictResolutionStrategy strategy)
{
var canonicalFilename = FileHeader.Canonize(filename);
if (Log.IsDebugEnabled)
{
Log.Debug("Resolving conflict of a file '{0}' by using {1} strategy", filename, strategy);
}
switch (strategy)
{
case ConflictResolutionStrategy.CurrentVersion:
Storage.Batch(accessor =>
{
var localMetadata = accessor.GetFile(canonicalFilename, 0, 0).Metadata;
var conflict = accessor.GetConfigurationValue <ConflictItem>(RavenFileNameHelper.ConflictConfigNameForFile(canonicalFilename));
ConflictResolver.ApplyCurrentStrategy(canonicalFilename, conflict, localMetadata);
accessor.UpdateFileMetadata(canonicalFilename, localMetadata, null);
ConflictArtifactManager.Delete(canonicalFilename, accessor);
});
Publisher.Publish(new ConflictNotification
{
FileName = canonicalFilename,
Status = ConflictStatus.Resolved
});
break;
case ConflictResolutionStrategy.RemoteVersion:
Storage.Batch(accessor =>
{
var localMetadata = accessor.GetFile(canonicalFilename, 0, 0).Metadata;
var conflict = accessor.GetConfig(RavenFileNameHelper.ConflictConfigNameForFile(canonicalFilename)).JsonDeserialization <ConflictItem>();
ConflictResolver.ApplyRemoteStrategy(canonicalFilename, conflict, localMetadata);
accessor.UpdateFileMetadata(canonicalFilename, localMetadata, null);
accessor.SetConfig(RavenFileNameHelper.ConflictConfigNameForFile(canonicalFilename), JsonExtensions.ToJObject(conflict));
// ConflictArtifactManager.Delete(canonicalFilename, accessor); - intentionally not deleting, conflict item will be removed when a remote file is put
});
SynchronizationTask.Context.NotifyAboutWork();
break;
default:
throw new NotSupportedException(string.Format("{0} is not the valid strategy to resolve a conflict", strategy));
}
return(GetEmptyMessage(HttpStatusCode.NoContent));
}
public RavenFileSystem(InMemoryRavenConfiguration config, string name, TransportState receivedTransportState = null)
{
ExtensionsState = new AtomicDictionary <object>();
Name = name;
ResourceName = string.Concat(Constants.FileSystem.UrlPrefix, "/", name);
configuration = config;
try
{
ValidateStorage();
configuration.Container.SatisfyImportsOnce(this);
transportState = receivedTransportState ?? new TransportState();
storage = CreateTransactionalStorage(configuration);
sigGenerator = new SigGenerator();
fileLockManager = new FileLockManager();
BufferPool = new BufferPool(1024 * 1024 * 1024, 65 * 1024);
conflictDetector = new ConflictDetector();
conflictResolver = new ConflictResolver(storage, new CompositionContainer(configuration.Catalog));
notificationPublisher = new NotificationPublisher(transportState);
synchronizationTask = new SynchronizationTask(storage, sigGenerator, notificationPublisher, configuration);
metricsCounters = new MetricsCountersManager();
search = new IndexStorage(name, configuration);
conflictArtifactManager = new ConflictArtifactManager(storage, search);
TimerManager = new ResourceTimerManager();
Tasks = new TaskActions(this, Log);
Files = new FileActions(this, Log);
Synchronizations = new SynchronizationActions(this, Log);
AppDomain.CurrentDomain.ProcessExit += ShouldDispose;
AppDomain.CurrentDomain.DomainUnload += ShouldDispose;
}
catch (Exception e)
{
Log.ErrorException(string.Format("Could not create file system '{0}'", Name ?? "unknown name"), e);
try
{
Dispose();
}
catch (Exception ex)
{
Log.FatalException("Failed to dispose when already getting an error in file system ctor", ex);
}
throw;
}
}
public RavenFileSystem(InMemoryRavenConfiguration systemConfiguration, TransportState transportState, string name)
{
this.Name = name;
this.systemConfiguration = systemConfiguration;
var storageType = systemConfiguration.DefaultFileSystemStorageTypeName;
if (string.Equals(InMemoryRavenConfiguration.VoronTypeName, storageType, StringComparison.OrdinalIgnoreCase) == false)
{
if (Directory.Exists(systemConfiguration.FileSystemDataDirectory) &&
Directory.EnumerateFileSystemEntries(systemConfiguration.FileSystemDataDirectory).Any())
{
throw new InvalidOperationException(
string.Format(
"We do not allow to run on a storage engine other then Voron, while we are in the early pre-release phase of RavenDB 3.0. You are currently running on {0}",
storageType));
}
Trace.WriteLine("Forcing filesystem to run on Voron - pre release behavior only, mind " + Path.GetFileName(Path.GetDirectoryName(systemConfiguration.FileSystemDataDirectory)));
storageType = InMemoryRavenConfiguration.VoronTypeName;
}
storage = CreateTransactionalStorage(storageType, systemConfiguration);
search = new IndexStorage(systemConfiguration.FileSystemIndexStoragePath, systemConfiguration.Settings);
sigGenerator = new SigGenerator();
var replicationHiLo = new SynchronizationHiLo(storage);
var sequenceActions = new SequenceActions(storage);
this.transportState = transportState;
notificationPublisher = new NotificationPublisher(transportState);
fileLockManager = new FileLockManager();
storage.Initialize();
search.Initialize();
var uuidGenerator = new UuidGenerator(sequenceActions);
historian = new Historian(storage, replicationHiLo, uuidGenerator);
BufferPool = new BufferPool(1024 * 1024 * 1024, 65 * 1024);
conflictArtifactManager = new ConflictArtifactManager(storage, search);
conflictDetector = new ConflictDetector();
conflictResolver = new ConflictResolver();
synchronizationTask = new SynchronizationTask(storage, sigGenerator, notificationPublisher, systemConfiguration);
storageOperationsTask = new StorageOperationsTask(storage, search, notificationPublisher);
metricsCounters = new MetricsCountersManager();
AppDomain.CurrentDomain.ProcessExit += ShouldDispose;
AppDomain.CurrentDomain.DomainUnload += ShouldDispose;
}
public async Task <HttpResponseMessage> MultipartProceed(string fileSystemName)
{
if (!Request.Content.IsMimeMultipartContent())
{
throw new HttpResponseException(HttpStatusCode.UnsupportedMediaType);
}
var fileName = Request.Headers.GetValues(SyncingMultipartConstants.FileName).FirstOrDefault();
var canonicalFilename = FileHeader.Canonize(fileName);
var tempFileName = RavenFileNameHelper.DownloadingFileName(canonicalFilename);
var sourceServerInfo = ReadInnerHeaders.Value <ServerInfo>(SyncingMultipartConstants.SourceServerInfo);
var sourceFileETag = Guid.Parse(GetHeader(Constants.MetadataEtagField).Trim('\"'));
var report = new SynchronizationReport(canonicalFilename, sourceFileETag, SynchronizationType.ContentUpdate);
Log.Debug("Starting to process multipart synchronization request of a file '{0}' with ETag {1} from {2}", fileName, sourceFileETag, sourceServerInfo);
StorageStream localFile = null;
var isNewFile = false;
var isConflictResolved = false;
try
{
Storage.Batch(accessor =>
{
AssertFileIsNotBeingSynced(canonicalFilename, accessor);
FileLockManager.LockByCreatingSyncConfiguration(canonicalFilename, sourceServerInfo, accessor);
});
SynchronizationTask.IncomingSynchronizationStarted(canonicalFilename, sourceServerInfo, sourceFileETag, SynchronizationType.ContentUpdate);
PublishSynchronizationNotification(fileSystemName, canonicalFilename, sourceServerInfo, report.Type, SynchronizationAction.Start);
Storage.Batch(accessor => StartupProceed(canonicalFilename, accessor));
RavenJObject sourceMetadata = GetFilteredMetadataFromHeaders(ReadInnerHeaders);
var localMetadata = GetLocalMetadata(canonicalFilename);
if (localMetadata != null)
{
AssertConflictDetection(canonicalFilename, localMetadata, sourceMetadata, sourceServerInfo, out isConflictResolved);
localFile = StorageStream.Reading(Storage, canonicalFilename);
}
else
{
isNewFile = true;
}
Historian.UpdateLastModified(sourceMetadata);
var synchronizingFile = SynchronizingFileStream.CreatingOrOpeningAndWriting(Storage, Search, StorageOperationsTask, tempFileName, sourceMetadata);
var provider = new MultipartSyncStreamProvider(synchronizingFile, localFile);
Log.Debug("Starting to process/read multipart content of a file '{0}'", fileName);
await Request.Content.ReadAsMultipartAsync(provider);
Log.Debug("Multipart content of a file '{0}' was processed/read", fileName);
report.BytesCopied = provider.BytesCopied;
report.BytesTransfered = provider.BytesTransfered;
report.NeedListLength = provider.NumberOfFileParts;
synchronizingFile.PreventUploadComplete = false;
synchronizingFile.Flush();
synchronizingFile.Dispose();
sourceMetadata["Content-MD5"] = synchronizingFile.FileHash;
Storage.Batch(accessor => accessor.UpdateFileMetadata(tempFileName, sourceMetadata));
Storage.Batch(accessor =>
{
StorageOperationsTask.IndicateFileToDelete(canonicalFilename);
accessor.RenameFile(tempFileName, canonicalFilename);
Search.Delete(tempFileName);
Search.Index(canonicalFilename, sourceMetadata);
});
if (isNewFile)
{
Log.Debug("Temporary downloading file '{0}' was renamed to '{1}'. Indexes were updated.", tempFileName, fileName);
}
else
{
Log.Debug("Old file '{0}' was deleted. Indexes were updated.", fileName);
}
if (isConflictResolved)
{
ConflictArtifactManager.Delete(canonicalFilename);
}
}
catch (Exception ex)
{
if (ShouldAddExceptionToReport(ex))
{
report.Exception = ex;
}
}
finally
{
if (localFile != null)
{
localFile.Dispose();
}
}
if (report.Exception == null)
{
Log.Debug(
"File '{0}' was synchronized successfully from {1}. {2} bytes were transfered and {3} bytes copied. Need list length was {4}",
fileName, sourceServerInfo, report.BytesTransfered, report.BytesCopied, report.NeedListLength);
}
else
{
Log.WarnException(
string.Format("Error has occurred during synchronization of a file '{0}' from {1}", fileName, sourceServerInfo),
report.Exception);
}
FinishSynchronization(canonicalFilename, report, sourceServerInfo, sourceFileETag);
PublishFileNotification(fileName, isNewFile ? FileChangeAction.Add : FileChangeAction.Update);
PublishSynchronizationNotification(fileSystemName, fileName, sourceServerInfo, report.Type, SynchronizationAction.Finish);
if (isConflictResolved)
{
Publisher.Publish(new ConflictNotification
{
FileName = fileName,
Status = ConflictStatus.Resolved
});
}
return(GetMessageWithObject(report));
}
public HttpResponseMessage Rename(string fileSystemName, string fileName, string rename)
{
bool isConflictResolved = false;
var canonicalFilename = FileHeader.Canonize(fileName);
var canonicalRename = FileHeader.Canonize(rename);
var sourceServerInfo = ReadInnerHeaders.Value <ServerInfo>(SyncingMultipartConstants.SourceServerInfo);
var sourceFileETag = Guid.Parse(GetHeader(Constants.MetadataEtagField).Trim('\"'));
var sourceMetadata = GetFilteredMetadataFromHeaders(ReadInnerHeaders);
Log.Debug("Starting to rename a file '{0}' to '{1}' with ETag {2} from {3} because of synchronization", fileName,
rename, sourceFileETag, sourceServerInfo);
var report = new SynchronizationReport(canonicalFilename, sourceFileETag, SynchronizationType.Rename);
try
{
Storage.Batch(accessor =>
{
AssertFileIsNotBeingSynced(canonicalFilename, accessor);
FileLockManager.LockByCreatingSyncConfiguration(canonicalFilename, sourceServerInfo, accessor);
});
SynchronizationTask.IncomingSynchronizationStarted(canonicalFilename, sourceServerInfo, sourceFileETag, SynchronizationType.Rename);
PublishSynchronizationNotification(fileSystemName, canonicalFilename, sourceServerInfo, report.Type, SynchronizationAction.Start);
Storage.Batch(accessor => StartupProceed(canonicalFilename, accessor));
var localMetadata = GetLocalMetadata(canonicalFilename);
AssertConflictDetection(canonicalFilename, localMetadata, sourceMetadata, sourceServerInfo, out isConflictResolved);
if (isConflictResolved)
{
ConflictArtifactManager.Delete(canonicalFilename);
}
StorageOperationsTask.RenameFile(new RenameFileOperation
{
FileSystem = FileSystem.Name,
Name = canonicalFilename,
Rename = canonicalRename,
MetadataAfterOperation = sourceMetadata.WithETag(sourceFileETag).DropRenameMarkers()
});
}
catch (Exception ex)
{
if (ShouldAddExceptionToReport(ex))
{
report.Exception = ex;
Log.WarnException(string.Format("Error was occurred during renaming synchronization of file '{0}' from {1}", fileName, sourceServerInfo), ex);
}
}
finally
{
FinishSynchronization(canonicalFilename, report, sourceServerInfo, sourceFileETag);
}
PublishSynchronizationNotification(fileSystemName, canonicalFilename, sourceServerInfo, report.Type, SynchronizationAction.Finish);
if (isConflictResolved)
{
Publisher.Publish(new ConflictNotification
{
FileName = fileName,
Status = ConflictStatus.Resolved
});
}
if (report.Exception == null)
{
Log.Debug("File '{0}' was renamed to '{1}' during synchronization from {2}", fileName, rename, sourceServerInfo);
}
return(GetMessageWithObject(report));
}
public HttpResponseMessage UpdateMetadata(string fileSystemName, string fileName)
{
bool isConflictResolved = false;
var canonicalFilename = FileHeader.Canonize(fileName);
var sourceServerInfo = ReadInnerHeaders.Value <ServerInfo>(SyncingMultipartConstants.SourceServerInfo);
// REVIEW: (Oren) It works, but it seems to me it is not an scalable solution.
var sourceFileETag = Guid.Parse(GetHeader(Constants.MetadataEtagField).Trim('\"'));
Log.Debug("Starting to update a metadata of file '{0}' with ETag {1} from {2} because of synchronization", fileName,
sourceFileETag, sourceServerInfo);
var report = new SynchronizationReport(canonicalFilename, sourceFileETag, SynchronizationType.MetadataUpdate);
try
{
Storage.Batch(accessor =>
{
AssertFileIsNotBeingSynced(canonicalFilename, accessor);
FileLockManager.LockByCreatingSyncConfiguration(canonicalFilename, sourceServerInfo, accessor);
});
SynchronizationTask.IncomingSynchronizationStarted(canonicalFilename, sourceServerInfo, sourceFileETag, SynchronizationType.MetadataUpdate);
PublishSynchronizationNotification(fileSystemName, canonicalFilename, sourceServerInfo, report.Type, SynchronizationAction.Start);
Storage.Batch(accessor => StartupProceed(canonicalFilename, accessor));
var localMetadata = GetLocalMetadata(canonicalFilename);
var sourceMetadata = GetFilteredMetadataFromHeaders(ReadInnerHeaders);
AssertConflictDetection(canonicalFilename, localMetadata, sourceMetadata, sourceServerInfo, out isConflictResolved);
Historian.UpdateLastModified(sourceMetadata);
Storage.Batch(accessor => accessor.UpdateFileMetadata(canonicalFilename, sourceMetadata));
Search.Index(canonicalFilename, sourceMetadata);
if (isConflictResolved)
{
ConflictArtifactManager.Delete(canonicalFilename);
}
PublishFileNotification(fileName, FileChangeAction.Update);
}
catch (Exception ex)
{
if (ShouldAddExceptionToReport(ex))
{
report.Exception = ex;
Log.WarnException(
string.Format("Error was occurred during metadata synchronization of file '{0}' from {1}", fileName, sourceServerInfo), ex);
}
}
finally
{
FinishSynchronization(canonicalFilename, report, sourceServerInfo, sourceFileETag);
}
PublishSynchronizationNotification(fileSystemName, fileName, sourceServerInfo, report.Type, SynchronizationAction.Finish);
if (isConflictResolved)
{
Publisher.Publish(new ConflictNotification
{
FileName = fileName,
Status = ConflictStatus.Resolved
});
}
if (report.Exception == null)
{
Log.Debug("Metadata of file '{0}' was synchronized successfully from {1}", fileName, sourceServerInfo);
}
return(this.GetMessageWithObject(report, HttpStatusCode.OK));
}
public HttpResponseMessage Rename(string fileName, string rename)
{
var sourceServerInfo = InnerHeaders.Value <ServerInfo>(SyncingMultipartConstants.SourceServerInfo);
var sourceFileETag = Guid.Parse(InnerHeaders.GetValues("ETag").First().Trim('\"'));
var sourceMetadata = GetFilteredMetadataFromHeaders(InnerHeaders);
Log.Debug("Starting to rename a file '{0}' to '{1}' with ETag {2} from {3} because of synchronization", fileName,
rename, sourceFileETag, sourceServerInfo);
var report = new SynchronizationReport(fileName, sourceFileETag, SynchronizationType.Rename);
try
{
Storage.Batch(accessor =>
{
AssertFileIsNotBeingSynced(fileName, accessor);
FileLockManager.LockByCreatingSyncConfiguration(fileName, sourceServerInfo, accessor);
});
PublishSynchronizationNotification(fileName, sourceServerInfo, report.Type, SynchronizationAction.Start);
Storage.Batch(accessor => StartupProceed(fileName, accessor));
var localMetadata = GetLocalMetadata(fileName);
bool isConflictResolved;
AssertConflictDetection(fileName, localMetadata, sourceMetadata, sourceServerInfo, out isConflictResolved);
if (isConflictResolved)
{
ConflictArtifactManager.Delete(fileName);
Publisher.Publish(new ConflictResolvedNotification {
FileName = fileName
});
}
StorageOperationsTask.RenameFile(new RenameFileOperation
{
Name = fileName,
Rename = rename,
MetadataAfterOperation = sourceMetadata.WithETag(sourceFileETag).DropRenameMarkers()
});
}
catch (Exception ex)
{
report.Exception = ex;
Log.WarnException(string.Format("Error was occurred during renaming synchronization of file '{0}' from {1}", fileName, sourceServerInfo), ex);
}
finally
{
FinishSynchronization(fileName, report, sourceServerInfo, sourceFileETag);
PublishSynchronizationNotification(fileName, sourceServerInfo, report.Type, SynchronizationAction.Finish);
}
if (report.Exception == null)
{
Log.Debug("File '{0}' was renamed to '{1}' during synchronization from {2}", fileName, rename, sourceServerInfo);
}
return(this.GetMessageWithObject(report, HttpStatusCode.OK));
}
