Ejemplo n.º 1
0
        public HttpResponseMessage Delete(string name)
        {
            name = RavenFileNameHelper.RavenPath(name);

            try
            {
                ConcurrencyAwareExecutor.Execute(() => Storage.Batch(accessor =>
                {
                    AssertFileIsNotBeingSynced(name, accessor, true);

                    var fileAndPages = accessor.GetFile(name, 0, 0);

                    var metadata = fileAndPages.Metadata;

                    if (metadata.Keys.Contains(SynchronizationConstants.RavenDeleteMarker))
                    {
                        throw new FileNotFoundException();
                    }

                    StorageOperationsTask.IndicateFileToDelete(name);

                    if (!name.EndsWith(RavenFileNameHelper.DownloadingFileSuffix) &&
                        // don't create a tombstone for .downloading file
                        metadata != null)                             // and if file didn't exist
                    {
                        var tombstoneMetadata = new RavenJObject
                        {
                            {
                                SynchronizationConstants.RavenSynchronizationHistory, metadata[SynchronizationConstants.RavenSynchronizationHistory]
                            },
                            {
                                SynchronizationConstants.RavenSynchronizationVersion, metadata[SynchronizationConstants.RavenSynchronizationVersion]
                            },
                            {
                                SynchronizationConstants.RavenSynchronizationSource, metadata[SynchronizationConstants.RavenSynchronizationSource]
                            }
                        }.WithDeleteMarker();

                        Historian.UpdateLastModified(tombstoneMetadata);

                        accessor.PutFile(name, 0, tombstoneMetadata, true);
                        accessor.DeleteConfig(RavenFileNameHelper.ConflictConfigNameForFile(name));
                        // delete conflict item too
                    }
                }), ConcurrencyResponseException);
            }
            catch (FileNotFoundException)
            {
                return(new HttpResponseMessage(HttpStatusCode.NotFound));
            }

            Publisher.Publish(new FileChangeNotification {
                File = FilePathTools.Cannoicalise(name), Action = FileChangeAction.Delete
            });
            log.Debug("File '{0}' was deleted", name);

            StartSynchronizeDestinationsInBackground();

            return(GetEmptyMessage(HttpStatusCode.NoContent));
        }
Ejemplo n.º 2
0
 private void PublishFileNotification(string fileName, FileChangeAction action)
 {
     Publisher.Publish(new FileChangeNotification
     {
         File   = FilePathTools.Cannoicalise(fileName),
         Action = action
     });
 }
Ejemplo n.º 3
0
        public void RenameFile(RenameFileOperation operation)
        {
            var configName = RavenFileNameHelper.RenameOperationConfigNameForFile(operation.Name);

            notificationPublisher.Publish(new FileChangeNotification
            {
                File   = FilePathTools.Cannoicalise(operation.Name),
                Action = FileChangeAction.Renaming
            });

            storage.Batch(accessor =>
            {
                var previousRenameTombstone = accessor.ReadFile(operation.Rename);

                if (previousRenameTombstone != null &&
                    previousRenameTombstone.Metadata[SynchronizationConstants.RavenDeleteMarker] != null)
                {
                    // if there is a tombstone delete it
                    accessor.Delete(previousRenameTombstone.FullPath);
                }

                accessor.RenameFile(operation.Name, operation.Rename, true);
                accessor.UpdateFileMetadata(operation.Rename, operation.MetadataAfterOperation);

                // copy renaming file metadata and set special markers
                var tombstoneMetadata = new RavenJObject(operation.MetadataAfterOperation).WithRenameMarkers(operation.Rename);

                accessor.PutFile(operation.Name, 0, tombstoneMetadata, true); // put rename tombstone

                accessor.DeleteConfig(configName);

                search.Delete(operation.Name);
                search.Index(operation.Rename, operation.MetadataAfterOperation);
            });

            notificationPublisher.Publish(new ConfigurationChangeNotification {
                Name = configName, Action = ConfigurationChangeAction.Set
            });
            notificationPublisher.Publish(new FileChangeNotification
            {
                File   = FilePathTools.Cannoicalise(operation.Rename),
                Action = FileChangeAction.Renamed
            });
        }
Ejemplo n.º 4
0
        public HttpResponseMessage Post(string name)
        {
            name = RavenFileNameHelper.RavenPath(name);

            var headers = this.GetFilteredMetadataFromHeaders(InnerHeaders);

            Historian.UpdateLastModified(headers);
            Historian.Update(name, headers);

            try
            {
                ConcurrencyAwareExecutor.Execute(() =>
                                                 Storage.Batch(accessor =>
                {
                    AssertFileIsNotBeingSynced(name, accessor, true);
                    accessor.UpdateFileMetadata(name, headers);
                }), ConcurrencyResponseException);
            }
            catch (FileNotFoundException)
            {
                log.Debug("Cannot update metadata because file '{0}' was not found", name);
                return(GetEmptyMessage(HttpStatusCode.NotFound));
            }

            Search.Index(name, headers);

            Publisher.Publish(new FileChangeNotification {
                File = FilePathTools.Cannoicalise(name), Action = FileChangeAction.Update
            });

            StartSynchronizeDestinationsInBackground();

            log.Debug("Metadata of a file '{0}' was updated", name);

            //Hack needed by jquery on the client side. We need to find a better solution for this
            return(GetEmptyMessage(HttpStatusCode.NoContent));
        }
Ejemplo n.º 5
0
        public async Task <HttpResponseMessage> Put(string name, string uploadId = null)
        {
            try
            {
                FileSystem.MetricsCounters.FilesPerSecond.Mark();

                name = RavenFileNameHelper.RavenPath(name);

                var headers = this.GetFilteredMetadataFromHeaders(InnerHeaders);

                Historian.UpdateLastModified(headers);
                headers["Creation-Date"] = DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ss.fffffff", CultureInfo.InvariantCulture);
                Historian.Update(name, headers);

                SynchronizationTask.Cancel(name);

                long?size = -1;
                ConcurrencyAwareExecutor.Execute(() => Storage.Batch(accessor =>
                {
                    AssertFileIsNotBeingSynced(name, accessor, true);
                    StorageOperationsTask.IndicateFileToDelete(name);

                    var contentLength = Request.Content.Headers.ContentLength;
                    var sizeHeader    = GetHeader("RavenFS-size");

                    long sizeForParse;
                    if (contentLength == 0 || long.TryParse(sizeHeader, out sizeForParse) == false)
                    {
                        size = contentLength;
                        if (Request.Headers.TransferEncodingChunked ?? false)
                        {
                            size = null;
                        }
                    }
                    else
                    {
                        size = sizeForParse;
                    }

                    accessor.PutFile(name, size, headers);

                    Search.Index(name, headers);
                }));

                log.Debug("Inserted a new file '{0}' with ETag {1}", name, headers.Value <Guid>(Constants.MetadataEtagField));

                using (var contentStream = await Request.Content.ReadAsStreamAsync())
                    using (var readFileToDatabase = new ReadFileToDatabase(BufferPool, Storage, contentStream, name))
                    {
                        await readFileToDatabase.Execute();

                        if (readFileToDatabase.TotalSizeRead != size)
                        {
                            Storage.Batch(accessor => { StorageOperationsTask.IndicateFileToDelete(name); });
                            throw new HttpResponseException(HttpStatusCode.BadRequest);
                        }

                        Historian.UpdateLastModified(headers); // update with the final file size

                        log.Debug("File '{0}' was uploaded. Starting to update file metadata and indexes", name);

                        headers["Content-MD5"] = readFileToDatabase.FileHash;

                        Storage.Batch(accessor => accessor.UpdateFileMetadata(name, headers));

                        int totalSizeRead = readFileToDatabase.TotalSizeRead;
                        headers["Content-Length"] = totalSizeRead.ToString(CultureInfo.InvariantCulture);

                        Search.Index(name, headers);
                        Publisher.Publish(new FileChangeNotification {
                            Action = FileChangeAction.Add, File = FilePathTools.Cannoicalise(name)
                        });

                        log.Debug("Updates of '{0}' metadata and indexes were finished. New file ETag is {1}", name, headers.Value <Guid>(Constants.MetadataEtagField));

                        StartSynchronizeDestinationsInBackground();
                    }
            }
            catch (Exception ex)
            {
                if (uploadId != null)
                {
                    Guid uploadIdentifier;
                    if (Guid.TryParse(uploadId, out uploadIdentifier))
                    {
                        Publisher.Publish(new CancellationNotification {
                            UploadId = uploadIdentifier, File = name
                        });
                    }
                }

                log.WarnException(string.Format("Failed to upload a file '{0}'", name), ex);

                var concurrencyException = ex as ConcurrencyException;
                if (concurrencyException != null)
                {
                    throw ConcurrencyResponseException(concurrencyException);
                }

                throw;
            }

            return(GetEmptyMessage(HttpStatusCode.Created));
        }
Ejemplo n.º 6
0
        public async Task <HttpResponseMessage> Put(string name, string uploadId = null, bool preserveTimestamps = false)
        {
            try
            {
                FileSystem.MetricsCounters.FilesPerSecond.Mark();

                name = FileHeader.Canonize(name);

                var headers = this.GetFilteredMetadataFromHeaders(ReadInnerHeaders);
                if (preserveTimestamps)
                {
                    if (!headers.ContainsKey(Constants.RavenCreationDate))
                    {
                        if (headers.ContainsKey(Constants.CreationDate))
                        {
                            headers[Constants.RavenCreationDate] = headers[Constants.CreationDate];
                        }
                        else
                        {
                            throw new InvalidOperationException("Preserve Timestamps requires that the client includes the Raven-Creation-Date header.");
                        }
                    }

                    var lastModified = GetHeader(Constants.RavenLastModified);
                    if (lastModified != null)
                    {
                        DateTimeOffset when;
                        if (!DateTimeOffset.TryParse(lastModified, out when))
                        {
                            when = DateTimeOffset.UtcNow;
                        }

                        Historian.UpdateLastModified(headers, when);
                    }
                    else
                    {
                        Historian.UpdateLastModified(headers);
                    }
                }
                else
                {
                    headers[Constants.RavenCreationDate] = DateTimeOffset.UtcNow;

                    Historian.UpdateLastModified(headers);
                }

                // TODO: To keep current filesystems working. We should remove when adding a new migration.
                headers[Constants.CreationDate] = headers[Constants.RavenCreationDate].Value <DateTimeOffset>().ToString("yyyy-MM-ddTHH:mm:ss.fffffffZ", CultureInfo.InvariantCulture);

                Historian.Update(name, headers);

                SynchronizationTask.Cancel(name);

                long?size = -1;
                ConcurrencyAwareExecutor.Execute(() => Storage.Batch(accessor =>
                {
                    AssertPutOperationNotVetoed(name, headers);
                    AssertFileIsNotBeingSynced(name, accessor, true);

                    var contentLength = Request.Content.Headers.ContentLength;
                    var sizeHeader    = GetHeader("RavenFS-size");

                    long sizeForParse;
                    if (contentLength == 0 || long.TryParse(sizeHeader, out sizeForParse) == false)
                    {
                        size = contentLength;
                        if (Request.Headers.TransferEncodingChunked ?? false)
                        {
                            size = null;
                        }
                    }
                    else
                    {
                        size = sizeForParse;
                    }

                    FileSystem.PutTriggers.Apply(trigger => trigger.OnPut(name, headers));

                    using (FileSystem.DisableAllTriggersForCurrentThread())
                    {
                        StorageOperationsTask.IndicateFileToDelete(name);
                    }

                    accessor.PutFile(name, size, headers);

                    FileSystem.PutTriggers.Apply(trigger => trigger.AfterPut(name, size, headers));

                    Search.Index(name, headers);
                }));

                log.Debug("Inserted a new file '{0}' with ETag {1}", name, headers.Value <Guid>(Constants.MetadataEtagField));

                using (var contentStream = await Request.Content.ReadAsStreamAsync())
                    using (var readFileToDatabase = new ReadFileToDatabase(BufferPool, Storage, FileSystem.PutTriggers, contentStream, name, headers))
                    {
                        await readFileToDatabase.Execute();

                        if (readFileToDatabase.TotalSizeRead != size)
                        {
                            StorageOperationsTask.IndicateFileToDelete(name);
                            throw new HttpResponseException(HttpStatusCode.BadRequest);
                        }

                        if (!preserveTimestamps)
                        {
                            Historian.UpdateLastModified(headers); // update with the final file size.
                        }
                        log.Debug("File '{0}' was uploaded. Starting to update file metadata and indexes", name);

                        headers["Content-MD5"] = readFileToDatabase.FileHash;

                        Storage.Batch(accessor => accessor.UpdateFileMetadata(name, headers));

                        int totalSizeRead = readFileToDatabase.TotalSizeRead;
                        headers["Content-Length"] = totalSizeRead.ToString(CultureInfo.InvariantCulture);

                        Search.Index(name, headers);
                        Publisher.Publish(new FileChangeNotification {
                            Action = FileChangeAction.Add, File = FilePathTools.Cannoicalise(name)
                        });

                        log.Debug("Updates of '{0}' metadata and indexes were finished. New file ETag is {1}", name, headers.Value <Guid>(Constants.MetadataEtagField));

                        StartSynchronizeDestinationsInBackground();
                    }
            }
            catch (Exception ex)
            {
                if (uploadId != null)
                {
                    Guid uploadIdentifier;
                    if (Guid.TryParse(uploadId, out uploadIdentifier))
                    {
                        Publisher.Publish(new CancellationNotification {
                            UploadId = uploadIdentifier, File = name
                        });
                    }
                }

                log.WarnException(string.Format("Failed to upload a file '{0}'", name), ex);

                var concurrencyException = ex as ConcurrencyException;
                if (concurrencyException != null)
                {
                    throw ConcurrencyResponseException(concurrencyException);
                }

                throw;
            }

            return(GetEmptyMessage(HttpStatusCode.Created));
        }