private void PopulateBlocks()
{
if (this._isBlockBlob)
{
if (!this._isAzureBlob)
{
bool flag = this._contentLength % (long)4194304 != (long)0;
long num = (flag ? this._contentLength / (long)4194304 + (long)1 : this._contentLength / (long)4194304);
this._blockList = new BlockForCopy[checked ((IntPtr)num)];
for (long i = (long)0; i < num; i += (long)1)
{
long num1 = (!flag || i != num - (long)1 ? (long)4194304 : this._contentLength - i * (long)4194304);
BlockForCopy[] blockForCopyArray = this._blockList;
IntPtr intPtr = checked ((IntPtr)i);
BlockForCopy blockForCopy = new BlockForCopy();
Guid guid = Guid.NewGuid();
blockForCopy.BlockId = DbListBlobObject.ToHexString(guid.ToByteArray());
blockForCopy.Length = (int)num1;
blockForCopyArray[intPtr] = blockForCopy;
}
}
else
{
this.GetBlockList();
}
if (this._blockList != null)
{
BlockForCopy[] blockForCopyArray1 = this._blockList;
for (int j = 0; j < (int)blockForCopyArray1.Length; j++)
{
BlockForCopy blockForCopy1 = blockForCopyArray1[j];
IStringDataEventStream info = Logger <IRestProtocolHeadLogger> .Instance.Info;
object[] str = new object[] { blockForCopy1.ToString() };
info.Log("Identified Blocks:{0}", str);
}
}
}
}
private void GetBlockList()
{
bool flag = false;
try
{
for (int i = 0; i < this._maxNumOfRetries; i++)
{
try
{
HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create((this._sourceUrl.Contains("?") ? string.Concat(this._sourceUrl, "&comp=blocklist&&blocklisttype=committed") : string.Concat(this._sourceUrl, "?comp=blocklist&&blocklisttype=committed")));
httpWebRequest.Method = "GET";
httpWebRequest.ContentLength = (long)0;
httpWebRequest.Headers["x-ms-version"] = "2011-08-18";
httpWebRequest.Headers["If-Match"] = this._etag;
using (HttpWebResponse response = (HttpWebResponse)httpWebRequest.GetResponse())
{
if (response.StatusCode == HttpStatusCode.OK)
{
using (StreamReader streamReader = new StreamReader(response.GetResponseStream()))
{
List <BlockForCopy> blockForCopies = new List <BlockForCopy>();
foreach (XElement xElement in XElement.Parse(streamReader.ReadToEnd()).Elements())
{
foreach (XElement xElement1 in xElement.Elements("Block"))
{
BlockForCopy blockForCopy = new BlockForCopy()
{
BlockId = DbListBlobObject.ToHexString(Convert.FromBase64String(xElement1.Element("Name").Value)),
Length = int.Parse(xElement1.Element("Size").Value)
};
blockForCopies.Add(blockForCopy);
}
}
this._blockList = blockForCopies.ToArray <BlockForCopy>();
}
if (this._blockList == null || (int)this._blockList.Length < 1)
{
this._blockList = new BlockForCopy[1];
BlockForCopy[] blockForCopyArray = this._blockList;
BlockForCopy hexString = new BlockForCopy();
Guid guid = Guid.NewGuid();
hexString.BlockId = DbListBlobObject.ToHexString(guid.ToByteArray());
hexString.Length = (int)this._contentLength;
blockForCopyArray[0] = hexString;
}
}
break;
}
}
catch (Exception exception1)
{
Exception exception = exception1;
if (i == this._maxNumOfRetries + 1)
{
flag = true;
throw;
}
if (!this.IsRetryableException(exception))
{
throw;
}
}
Thread.Sleep(1000);
}
}
catch (Exception exception2)
{
this.HandleExceptionAndSetStatus(exception2, flag);
}
}
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 static void SerializeCommitBlockListEntry(StringBuilder builder, byte[] block, BlockSource blockSource)
{
builder.Append((char)((int)block.Length + 32));
builder.Append(DbListBlobObject.ToHexString(block));
builder.Append((char)(48 + (ushort)blockSource));
}
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);
}
