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);
}
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);
}
