protected override IEnumerator <IAsyncResult> ClearQueueImpl(IAccountIdentifier identity, string account, string queue, TimeSpan?timeout, RequestContext requestContext, AsyncIteratorContext <NoResults> context) { RemainingTime remainingTime = new RemainingTime(timeout); SASAuthorizationParameters sASAuthorizationParameter = new SASAuthorizationParameters() { SupportedSasTypes = SasType.AccountSas, SignedResourceType = SasResourceType.Object, SignedPermission = SASPermission.Delete }; SASAuthorizationParameters sASAuthorizationParameter1 = sASAuthorizationParameter; IAsyncResult asyncResult = this.BeginGetQueue(identity, account, queue, PermissionLevel.Delete, sASAuthorizationParameter1, remainingTime, requestContext, context.GetResumeCallback(), context.GetResumeState("QueueManager.ClearQueueImpl")); yield return(asyncResult); IQueueContainer operationStatus = this.EndGetQueue(asyncResult); if (requestContext != null) { operationStatus.OperationStatus = requestContext.OperationStatus; } operationStatus.Timeout = remainingTime; asyncResult = operationStatus.BeginClearQueue(context.GetResumeCallback(), context.GetResumeState("QueueManager.ClearQueueImpl")); yield return(asyncResult); operationStatus.EndClearQueue(asyncResult); }
protected override IEnumerator <IAsyncResult> PeekMessagesImpl(IAccountIdentifier identity, string account, string queue, int numMessages, TimeSpan?timeout, RequestContext requestContext, AsyncIteratorContext <IEnumerable <PeekedMessage> > context) { this.ValidateNumMessages(numMessages, this.config.MaxMessagesToReturn); RemainingTime remainingTime = new RemainingTime(timeout); SASAuthorizationParameters sASAuthorizationParameter = new SASAuthorizationParameters() { SupportedSasTypes = SasType.ResourceSas | SasType.AccountSas, SignedResourceType = SasResourceType.Object, SignedPermission = SASPermission.Read }; SASAuthorizationParameters sASAuthorizationParameter1 = sASAuthorizationParameter; IAsyncResult asyncResult = this.BeginGetQueue(identity, account, queue, PermissionLevel.Read, sASAuthorizationParameter1, remainingTime, requestContext, context.GetResumeCallback(), context.GetResumeState("QueueManager.PeekMessagesImpl")); yield return(asyncResult); IQueueContainer operationStatus = this.EndGetQueue(asyncResult); if (requestContext != null) { operationStatus.OperationStatus = requestContext.OperationStatus; } operationStatus.Timeout = remainingTime; asyncResult = operationStatus.BeginPeekMessage(numMessages, context.GetResumeCallback(), context.GetResumeState("QueueManager.PeekMessagesImpl")); yield return(asyncResult); IEnumerable <IMessageData> messageDatas = operationStatus.EndPeekMessage(asyncResult); context.ResultData = this.WrapPeekedMessageResults(messageDatas); }
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 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); }