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);
}