private IEnumerator <IAsyncResult> SnapshotBlobImpl(byte[] metadata, IBlobObjectCondition condition, AsyncIteratorContext <DateTime> context) { IAsyncResult asyncResult = this._storageManager.AsyncProcessor.BeginExecute <DateTime>((TimeSpan param0) => { DateTime value; StorageStampHelpers.ValidateApplicationMetadata(metadata); using (TransactionScope transactionScope = new TransactionScope()) { using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { base.LoadContainer(dbContext); BlockBlob blockBlob = base.LoadBlockBlob(dbContext); BlobLeaseInfo blobLeaseInfo = new BlobLeaseInfo(blockBlob, DateTime.UtcNow); DbBlobObject.CheckConditionsAndReturnResetRequired(blockBlob, blobLeaseInfo, condition, null, false); DateTime?nullable = null; DateTime?nullable1 = null; dbContext.SnapshotBlockBlob(blockBlob.AccountName, blockBlob.ContainerName, blockBlob.BlobName, metadata, ref nullable, ref nullable1); transactionScope.Complete(); nullable = new DateTime?(DateTime.SpecifyKind(nullable.Value, DateTimeKind.Utc)); this._blob = blockBlob; this.LeaseInfo = blobLeaseInfo; if (nullable1.HasValue) { this._blob.LastModificationTime = new DateTime?(nullable1.Value); } value = nullable.Value; } } return(value); }, base.Timeout, context.GetResumeCallback(), context.GetResumeState("BlobObject.SnapshotBlobImpl")); yield return(asyncResult); context.ResultData = this._storageManager.AsyncProcessor.EndExecute <DateTime>(asyncResult); }
private IEnumerator <IAsyncResult> GetBlockListImpl(IBlobObjectCondition condition, BlockListTypes blockListTypes, BlobServiceVersion blobServiceVersion, AsyncIteratorContext <IBlockLists> context) { IAsyncResult asyncResult = this._storageManager.AsyncProcessor.BeginExecute <BlockLists>((TimeSpan param0) => { BlockLists blockList; using (TransactionScope transactionScope = new TransactionScope()) { using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { base.LoadContainer(dbContext); BlockBlob blockBlob = base.LoadBlockBlob(dbContext, true); BlobLeaseInfo blobLeaseInfo = new BlobLeaseInfo(blockBlob, DateTime.UtcNow); DbBlobObject.CheckConditionsAndReturnResetRequired(blockBlob, blobLeaseInfo, condition, null, false); BlockLists dbBlockCollections = new BlockLists() { BlobLastModificationTime = blockBlob.LastModificationTime.Value, BlobSize = blockBlob.ContentLength }; if ((blockListTypes & BlockListTypes.Committed) != BlockListTypes.None) { List <IBlock> blocks = new List <IBlock>(); if (blockBlob.HasBlock.Value) { foreach (CommittedBlock committedBlock in from blck in dbContext.CommittedBlocks where (blck.AccountName == this._blob.AccountName) && (blck.ContainerName == this._blob.ContainerName) && (blck.BlobName == this._blob.BlobName) && (blck.VersionTimestamp == this._blob.VersionTimestamp) select blck) { blocks.Add(new Block(DbListBlobObject.FromHexString(committedBlock.BlockId), committedBlock.Length.Value)); } } dbBlockCollections.CommittedBlockList = new DbListBlobObject.DbBlockCollection(blocks); } if ((blockListTypes & BlockListTypes.Uncommitted) != BlockListTypes.None) { List <IBlock> blocks1 = new List <IBlock>(); foreach (BlockData blockDatum in from blck in dbContext.BlocksData where (blck.AccountName == this._blob.AccountName) && (blck.ContainerName == this._blob.ContainerName) && (blck.BlobName == this._blob.BlobName) && (blck.VersionTimestamp == this._blob.VersionTimestamp) && !blck.IsCommitted select blck) { blocks1.Add(new Block(DbListBlobObject.FromHexString(blockDatum.BlockId), blockDatum.Length.Value)); } dbBlockCollections.UncommittedBlockList = new DbListBlobObject.DbBlockCollection(blocks1); } transactionScope.Complete(); this._blob = blockBlob; this.LeaseInfo = blobLeaseInfo; blockList = dbBlockCollections; } } return(blockList); }, base.Timeout, context.GetResumeCallback(), context.GetResumeState("DbListBlobObject.GetBlockList")); yield return(asyncResult); context.ResultData = this._storageManager.AsyncProcessor.EndExecute <BlockLists>(asyncResult); }
private bool PutBlockList() { bool flag; bool flag1 = false; try { for (int i = 0; i < this._maxNumberOfRetries; i++) { try { using (TransactionScope transactionScope = new TransactionScope(TransactionScopeOption.RequiresNew)) { using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { this.GetContainer(dbContext); BlockBlob blob = this.GetBlob(dbContext, true) as BlockBlob; BlobServiceMetaData instance = BlobServiceMetaData.GetInstance(blob.ServiceMetadata); instance.CopyStatus = "success"; instance.CopyProgressOffset = this._contentLength.ToString(); instance.CopyProgressTotal = this._contentLength.ToString(); instance.CopyCompletionTime = new long?(DateTime.UtcNow.ToFileTimeUtc()); blob.HasBlock = new bool?((this._blockIds.Count > 1 ? true : this._contentLength < (long)4194304)); blob.ContentLength = this._contentLength; blob.ServiceMetadata = instance.GetMetadata(); blob.IsCommitted = new bool?(false); blob.UncommittedBlockIdLength = null; dbContext.SubmitChanges(); dbContext.CommitBlockList(this._accountName, this._containerName, this._blobName, DbListBlobObject.SerializeCommitBlockListEntryFromUncommitted(this._blockIds).ToString(), ref this._lastModifiedTime); transactionScope.Complete(); } } IStringDataEventStream info = Logger <IRestProtocolHeadLogger> .Instance.Info; object[] objArray = new object[] { this._accountName, this._containerName, this._blobName, this._contentLength }; info.Log("Commited Blocks for: {0}/{1}/{2}, Length:{3}", objArray); break; } catch (SqlException sqlException) { if (this.ShouldRethrowException(i, sqlException, out flag1)) { throw; } } } return(true); } catch (Exception exception1) { Exception exception = exception1; Logger <IRestProtocolHeadLogger> .Instance.Error.Log("CopyBlob: PutBlockList exception {0}", new object[] { exception }); this.SetCopyFailed(exception, flag1, null); flag = false; } return(flag); }
private IEnumerator <IAsyncResult> GetBlobImpl(IBlobRegion blobRegion, BlobPropertyNames propertyNames, IBlobObjectCondition condition, AsyncIteratorContext <CrcStream> context) { IAsyncResult asyncResult = this._storageManager.AsyncProcessor.BeginExecute <CrcStream>((TimeSpan param0) => { CrcStream streamFromByteArray; using (TransactionScope transactionScope = new TransactionScope()) { using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { base.LoadContainer(dbContext); BlockBlob blockBlob = base.LoadBlockBlob(dbContext); if (blobRegion == null) { blobRegion = new BlobRegion((long)0, blockBlob.ContentLength); } else if (blobRegion.Offset > blockBlob.ContentLength || blobRegion.Offset == blockBlob.ContentLength && blockBlob.ContentLength > (long)0) { throw new InvalidBlobRegionException(new long?(blobRegion.Offset), "Offset value is greater than the contentlength"); } BlobLeaseInfo blobLeaseInfo = new BlobLeaseInfo(blockBlob, DateTime.UtcNow); DbBlobObject.CheckConditionsAndReturnResetRequired(blockBlob, blobLeaseInfo, condition, null, false); long offset = blobRegion.Offset; long num = Math.Min(offset + blobRegion.Length, blockBlob.ContentLength); IOrderedQueryable <CommittedBlock> committedBlocks = from b in dbContext.CommittedBlocks where (b.AccountName == this._blob.AccountName) && (b.ContainerName == this._blob.ContainerName) && (b.BlobName == this._blob.BlobName) && (b.VersionTimestamp == this._blob.VersionTimestamp) && (long?)b.Offset + b.Length >= (long?)offset && b.Offset < num orderby b.Offset select b; byte[] bytesFromCommittedBlocks = this.GetBytesFromCommittedBlocks(dbContext, offset, num, committedBlocks); transactionScope.Complete(); this._blob = blockBlob; this.LeaseInfo = blobLeaseInfo; streamFromByteArray = DbStorageHelper.GetStreamFromByteArray(bytesFromCommittedBlocks); } } return(streamFromByteArray); }, base.Timeout, context.GetResumeCallback(), context.GetResumeState("DbListBlobObject.GetBlob")); yield return(asyncResult); context.ResultData = this._storageManager.AsyncProcessor.EndExecute <CrcStream>(asyncResult); }
private IEnumerator <IAsyncResult> PutBlockImpl(byte[] blockIdentifier, long contentLength, Stream inputStream, byte[] contentMD5, bool isLargeBlockBlobRequest, IBlobObjectCondition condition, AsyncIteratorContext <NoResults> context) { Microsoft.WindowsAzure.DevelopmentStorage.Store.BlobContainer blobContainer = null; BlockBlob blockBlob = null; IAsyncResult asyncResult = this._storageManager.AsyncProcessor.BeginExecute((TimeSpan param0) => { long num; long num1; StorageStampHelpers.ValidatePutBlockArguments(this, blockIdentifier, contentLength, contentMD5, condition, true); string str = null; using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { blobContainer = base.LoadContainer(dbContext); blockBlob = base.TryLoadBlockBlob(dbContext, out str); if (blockBlob == null) { lock (DbListBlobObject.SynchronizePutBlock) { blockBlob = base.TryLoadBlockBlob(dbContext, out str); if (blockBlob == null) { if (string.IsNullOrEmpty(str)) { str = BlockBlobDataManager.CreateUniqueDirectoryLoadBalanced(); } using (DevelopmentStorageDbDataContext developmentStorageDbDataContext = DevelopmentStorageDbDataContext.GetDbContext()) { Logger <INormalAndDebugLogger> .Instance.VerboseDebug.Log("PutBlockImpl: Creating record for ({0};{1};{2})", new object[] { this._blob.AccountName, this._blob.ContainerName, this._blob.BlobName }); StorageStampHelpers.CheckBlobName(this._blob.BlobName, this._blob.ContainerName); blockBlob = new BlockBlob() { AccountName = this._blob.AccountName, ContainerName = this._blob.ContainerName, BlobName = this._blob.BlobName, VersionTimestamp = DateTime.SpecifyKind(DateTime.MaxValue, DateTimeKind.Utc), ContentLength = (long)0, IsCommitted = new bool?(false), HasBlock = new bool?(true), DirectoryPath = str, GenerationId = Guid.NewGuid().ToString(), SnapshotCount = 0 }; developmentStorageDbDataContext.Blobs.InsertOnSubmit(blockBlob); developmentStorageDbDataContext.SubmitChanges(); } } } } bool flag = false; BlobLeaseInfo blobLeaseInfo = new BlobLeaseInfo(blockBlob, DateTime.UtcNow); DbBlobObject.CheckCopyState(blockBlob); flag = DbBlobObject.CheckConditionsAndReturnResetRequired(blockBlob, blobLeaseInfo, condition, null, true); byte[] byteArrayFromStream = DbStorageHelper.GetByteArrayFromStream(inputStream, out num, true, isLargeBlockBlobRequest); string file = BlockBlobDataManager.WriteBytesToFile(new BlockBlobMetaInfo(this._blob.AccountName, this._blob.ContainerName, this._blob.BlobName, str), byteArrayFromStream, out num1); string hexString = DbListBlobObject.ToHexString(blockIdentifier); BlockData blockDatum = this.TryLoadUncommittedBlock(dbContext, hexString); if (blockDatum == null) { blockDatum = new BlockData() { AccountName = this._blob.AccountName, ContainerName = this._blob.ContainerName, BlobName = this._blob.BlobName, VersionTimestamp = this._blob.VersionTimestamp, IsCommitted = false, BlockId = hexString }; dbContext.BlocksData.InsertOnSubmit(blockDatum); } blockDatum.Length = new long?(num); blockDatum.FilePath = file; blockDatum.StartOffset = new long?(num1); base.ResetBlobLeaseToAvailable(blockBlob, flag); dbContext.SubmitChanges(); blobLeaseInfo.SetBlob(blockBlob, blobLeaseInfo.LeaseInfoValidAt); this.LeaseInfo = blobLeaseInfo; } }, base.Timeout, context.GetResumeCallback(), context.GetResumeState("DbListBlobObject.PutBlock")); yield return(asyncResult); this._storageManager.AsyncProcessor.EndExecute(asyncResult); }
private IEnumerator <IAsyncResult> PutBlobImpl(string contentType, long contentLength, byte[] serviceMetadata, byte[] applicationMetadata, byte[][] blockList, BlockSource[] blockSourceList, byte[] contentMD5, OverwriteOption overwriteOption, IBlobObjectCondition condition, AsyncIteratorContext <NoResults> context) { IStringDataEventStream verboseDebug = Logger <INormalAndDebugLogger> .Instance.VerboseDebug; object[] objArray = new object[] { contentType, this.ContentLength, serviceMetadata, applicationMetadata, blockList, overwriteOption, condition, base.Timeout }; verboseDebug.Log("PutBlobImpl.PutBlobImpl({0};{1};{2};{3};{4};{5};{6};{7})", objArray); IAsyncResult asyncResult = this._storageManager.AsyncProcessor.BeginExecute((TimeSpan param0) => { using (TransactionScope transactionScope = new TransactionScope()) { using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { base.LoadContainer(dbContext); string str = null; BlockBlob blockBlob = base.TryLoadBlockBlob(dbContext, out str); DateTime utcNow = DateTime.UtcNow; bool flag = false; if (blockBlob != null) { DbBlobObject.CheckCopyState(blockBlob); flag = DbBlobObject.CheckConditionsAndReturnResetRequired(blockBlob, new BlobLeaseInfo(blockBlob, utcNow), condition, null, true); if (blockBlob.IsCommitted.Value) { if (overwriteOption == OverwriteOption.CreateNewOnly) { throw new BlobAlreadyExistsException(); } } else if (overwriteOption == OverwriteOption.UpdateExistingOnly && condition != null && !condition.IsIncludingUncommittedBlobs) { throw new ConditionNotMetException(); } } else { if (overwriteOption == OverwriteOption.UpdateExistingOnly) { if (condition == null || !condition.LeaseId.HasValue) { throw new ConditionNotMetException(); } throw new LeaseNotPresentException(); } StorageStampHelpers.CheckBlobName(this._blob.BlobName, this._blob.ContainerName); if (string.IsNullOrEmpty(str)) { str = BlockBlobDataManager.CreateUniqueDirectoryLoadBalanced(); } blockBlob = new BlockBlob() { AccountName = this._blob.AccountName, ContainerName = this._blob.ContainerName, BlobName = this._blob.BlobName, VersionTimestamp = DateTime.SpecifyKind(DateTime.MaxValue, DateTimeKind.Utc), IsCommitted = new bool?(false), DirectoryPath = str }; dbContext.Blobs.InsertOnSubmit(blockBlob); } StorageStampHelpers.ValidatePutBlockListArguments(this, contentLength, applicationMetadata, blockList, blockSourceList, contentMD5, condition, this._blobServiceVersion); blockBlob.ContentType = contentType ?? "application/octet-stream"; blockBlob.ContentMD5 = contentMD5; blockBlob.ServiceMetadata = serviceMetadata; blockBlob.Metadata = applicationMetadata; blockBlob.HasBlock = new bool?(true); blockBlob.GenerationId = Guid.NewGuid().ToString(); blockBlob.SnapshotCount = 0; base.ResetBlobLeaseToAvailable(blockBlob, flag); dbContext.SubmitChanges(); DateTime?nullable = null; StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < (int)blockList.Length; i++) { DbListBlobObject.SerializeCommitBlockListEntry(stringBuilder, blockList[i], (blockSourceList != null ? blockSourceList[i] : BlockSource.Uncommitted)); } dbContext.CommitBlockList(this._blob.AccountName, this._blob.ContainerName, this._blob.BlobName, stringBuilder.ToString(), ref nullable); transactionScope.Complete(); blockBlob.LastModificationTime = nullable; this._blob = blockBlob; this.LeaseInfo = new BlobLeaseInfo(blockBlob, utcNow); } } }, base.Timeout, context.GetResumeCallback(), context.GetResumeState("DbListBlobObject.PutBlob")); yield return(asyncResult); this._storageManager.AsyncProcessor.EndExecute(asyncResult); }
private IEnumerator <IAsyncResult> PutBlobImpl(string contentType, long contentLength, byte[] serviceMetadata, byte[] applicationMetadata, Stream inputStream, byte[] contentMD5, bool invokeGeneratePutBlobServiceMetadata, GeneratePutBlobServiceMetadata generatePutBlobServiceMetadata, bool isLargeBlockBlobRequest, ISequenceNumberUpdate sequenceNumberUpdate, OverwriteOption overwriteOption, IBlobObjectCondition condition, AsyncIteratorContext <NoResults> context) { IAsyncResult asyncResult = this._storageManager.AsyncProcessor.BeginExecute((TimeSpan param0) => { long num; long num1; using (TransactionScope transactionScope = new TransactionScope()) { using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { base.LoadContainer(dbContext); string str = null; BlockBlob blockBlob = base.TryLoadBlockBlob(dbContext, out str); DateTime utcNow = DateTime.UtcNow; bool flag = false; if (blockBlob != null) { if (blockBlob.IsCommitted.Value && overwriteOption == OverwriteOption.CreateNewOnly) { throw new BlobAlreadyExistsException(); } DbBlobObject.CheckCopyState(blockBlob); flag = DbBlobObject.CheckConditionsAndReturnResetRequired(blockBlob, new BlobLeaseInfo(blockBlob, utcNow), condition, null, true); dbContext.ClearUncommittedBlocks(this._blob.AccountName, this._blob.ContainerName, this._blob.BlobName); dbContext.Refresh(RefreshMode.KeepChanges, blockBlob); } else { if (overwriteOption == OverwriteOption.UpdateExistingOnly) { if (condition == null || !condition.LeaseId.HasValue) { throw new ConditionNotMetException(); } throw new LeaseNotPresentException(); } StorageStampHelpers.CheckBlobName(this._blob.BlobName, this._blob.ContainerName); if (string.IsNullOrEmpty(str)) { str = BlockBlobDataManager.CreateUniqueDirectoryLoadBalanced(); } blockBlob = new BlockBlob() { AccountName = this._blob.AccountName, ContainerName = this._blob.ContainerName, BlobName = this._blob.BlobName, VersionTimestamp = DateTime.SpecifyKind(DateTime.MaxValue, DateTimeKind.Utc), DirectoryPath = str }; dbContext.Blobs.InsertOnSubmit(blockBlob); } StorageStampHelpers.ValidatePutBlobArguments(this, contentLength, null, applicationMetadata, contentMD5, sequenceNumberUpdate, overwriteOption, condition, true, false); byte[] byteArrayFromStream = DbStorageHelper.GetByteArrayFromStream(inputStream, out num, false, isLargeBlockBlobRequest); string file = BlockBlobDataManager.WriteBytesToFile(new BlockBlobMetaInfo(this._blob.AccountName, this._blob.ContainerName, this._blob.BlobName, str), byteArrayFromStream, out num1); Guid guid = Guid.NewGuid(); BlockData blockDatum = new BlockData() { AccountName = this._blob.AccountName, ContainerName = this._blob.ContainerName, BlobName = this._blob.BlobName, VersionTimestamp = this._blob.VersionTimestamp, IsCommitted = false, BlockId = DbListBlobObject.ToHexString(guid.ToByteArray()), FilePath = file, StartOffset = new long?(num1) }; dbContext.BlocksData.InsertOnSubmit(blockDatum); if (invokeGeneratePutBlobServiceMetadata && generatePutBlobServiceMetadata != null) { serviceMetadata = generatePutBlobServiceMetadata(); } blockBlob.ContentType = contentType ?? "application/octet-stream"; blockBlob.ContentMD5 = contentMD5; blockBlob.ServiceMetadata = serviceMetadata; blockBlob.Metadata = applicationMetadata; blockBlob.IsCommitted = new bool?(false); blockBlob.HasBlock = new bool?(false); blockBlob.UncommittedBlockIdLength = null; blockBlob.GenerationId = Guid.NewGuid().ToString(); blockBlob.SnapshotCount = 0; blockDatum.Length = new long?(num); blockBlob.ContentLength = num; base.ResetBlobLeaseToAvailable(blockBlob, flag); dbContext.SubmitChanges(); StringBuilder stringBuilder = new StringBuilder(); DbListBlobObject.SerializeCommitBlockListEntry(stringBuilder, guid.ToByteArray(), BlockSource.Uncommitted); DateTime?nullable = null; dbContext.CommitBlockList(this._blob.AccountName, this._blob.ContainerName, this._blob.BlobName, stringBuilder.ToString(), ref nullable); transactionScope.Complete(); blockBlob.LastModificationTime = nullable; this._blob = blockBlob; this.LeaseInfo = new BlobLeaseInfo(blockBlob, utcNow); } } }, base.Timeout, context.GetResumeCallback(), context.GetResumeState("DbListBlobObject.PutBlobImpl")); yield return(asyncResult); this._storageManager.AsyncProcessor.EndExecute(asyncResult); }
public bool PutBlock(string blockId, byte[] data) { bool flag; bool flag1 = false; DateTime?nullable = this._lastModifiedTime; bool flag2 = false; long num = (long)0; string file = null; this._currentLength += data.LongLength; this._blockIds.Add(blockId); try { for (int i = 0; i < this._maxNumberOfRetries; i++) { this._lastModifiedTime = nullable; try { using (TransactionScope transactionScope = new TransactionScope(TransactionScopeOption.RequiresNew)) { using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext()) { this.GetContainer(dbContext); BlockBlob blob = this.GetBlob(dbContext, true) as BlockBlob; if (!flag2) { file = BlockBlobDataManager.WriteBytesToFile(new BlockBlobMetaInfo(blob.AccountName, blob.ContainerName, blob.BlobName, blob.DirectoryPath), data, out num); flag2 = true; } BlockData blockDatum = new BlockData() { AccountName = blob.AccountName, ContainerName = blob.ContainerName, BlobName = blob.BlobName, VersionTimestamp = blob.VersionTimestamp, IsCommitted = false, BlockId = blockId, Length = new long?(data.LongLength), FilePath = file, StartOffset = new long?(num) }; dbContext.BlocksData.InsertOnSubmit(blockDatum); this.SetCopyStatus(blob); dbContext.SubmitChanges(); dbContext.Refresh(RefreshMode.OverwriteCurrentValues, blob); transactionScope.Complete(); this._lastModifiedTime = blob.LastModificationTime; } } Logger <IRestProtocolHeadLogger> .Instance.Info.Log("Uploaded Block: {0}", new object[] { blockId }); break; } catch (SqlException sqlException) { if (this.ShouldRethrowException(i, sqlException, out flag1)) { throw; } } } if (this._currentLength < this._contentLength) { return(true); } return(this.PutBlockList()); } catch (Exception exception1) { Exception exception = exception1; Logger <IRestProtocolHeadLogger> .Instance.Error.Log("CopyBlob: PutBlock exception {0}", new object[] { exception }); this.SetCopyFailed(exception, flag1, null); flag = false; } return(flag); }