private async Task Send4mbBlockAsync(CloudBlockBlob blob, MemoryStream ms, NewBlockId blockId)
{
ms.Seek(0, SeekOrigin.Begin);
await blob.PutBlockAsync(
blockId : blockId.Base64BlockId,
blockData : ms,
contentMD5 : null);
}
public async Task UploadBigFileWithCommitsAsync()
{
StorageCredentials creds = new StorageCredentials(AcctName, AcctKey);
CloudStorageAccount account = new CloudStorageAccount(creds, useHttps: true);
CloudBlobClient client = account.CreateCloudBlobClient();
CloudBlockBlob blob = new CloudBlockBlob(Uri, client);
int blocksize = FOURMB;
var blockList = new List <string>();
byte[] bytesRead = new byte[blocksize];
int numBytesRead = 0;
MemoryStream ms = new MemoryStream();
ms.Capacity = blocksize;
Boolean DoneSending = false;
using (FileStream fs = File.OpenRead(Filename))
{
do
{
Console.Write(".");
NewBlockId blockId = new NewBlockId();
try
{
ms.Position = 0;
numBytesRead = await fs.ReadAsync(bytesRead, 0, blocksize);
if (numBytesRead == blocksize)
{
ms.Write(bytesRead, 0, blocksize);
await Send4mbBlockAsync(blob, ms, blockId);
}
else
{
MemoryStream msLast = new MemoryStream();
msLast.Capacity = numBytesRead;
await msLast.WriteAsync(bytesRead, 0, numBytesRead);
await Send4mbBlockAsync(blob, msLast, blockId);
DoneSending = true;
}
}
catch (Exception ex)
{
;
}
blockList.Add(blockId.Base64BlockId);
await blob.PutBlockListAsync(blockList);
} while (!DoneSending);
}
}
async Task <ReturnFrom4mbSend> ReadAndPut4mbBlockAsync(FileStream fs, CloudBlockBlob blob)
{
byte[] bytesRead = new byte[FOURMB];
int numBytesRead = 0;
NewBlockId blockId = new NewBlockId();
Boolean LastBlock = false;
using (MemoryStream ms = new MemoryStream())
{
numBytesRead = await fs.ReadAsync(bytesRead, 0, bytesRead.Length);
ms.Capacity += numBytesRead;
await ms.WriteAsync(bytesRead, 0, numBytesRead);
ms.Position = 0;
try
{
await blob.PutBlockAsync(blockId : blockId.Base64BlockId,
blockData : ms,
contentMD5 : null,
accessCondition : AccessCondition.GenerateEmptyCondition(),
options : new BlobRequestOptions
{
StoreBlobContentMD5 = true,
UseTransactionalMD5 = true
},
operationContext : new OperationContext());
} catch (Exception ex)
{
;
}
LastBlock = ms.Length != FOURMB;
}
ReturnFrom4mbSend r = new ReturnFrom4mbSend(LastBlock, blockId.Base64BlockId);
return(r);
}
private async Task Send4mbBlockAsyncWithAccessCondition(CloudBlockBlob blob, MemoryStream ms, NewBlockId blockId, AccessCondition accessCondition)
{
ms.Seek(0, SeekOrigin.Begin);
await blob.PutBlockAsync(
blockId : blockId.Base64BlockId,
blockData : ms,
contentMD5 : null,
accessCondition : accessCondition,
options : new BlobRequestOptions
{
StoreBlobContentMD5 = true,
UseTransactionalMD5 = true
},
operationContext : new OperationContext());
}
public void UploadBigFileWithCommits()
{
StorageCredentials creds = new StorageCredentials(AcctName, AcctKey);
CloudStorageAccount account = new CloudStorageAccount(creds, useHttps: true);
CloudBlobClient client = account.CreateCloudBlobClient();
CloudBlockBlob blob = new CloudBlockBlob(Uri, client);
var blockList = new List <string>();
byte[] bytesRead = new byte[FOURMB];
int numBytesRead = 0;
MemoryStream ms = new MemoryStream();
ms.Capacity = FOURMB;
Boolean DoneSending = false;
string acquiredLeaseId = null;
string proposedLeaseId = Guid.NewGuid().ToString();
using (FileStream fs = File.OpenRead(Filename))
{
AccessCondition accessCondition = AccessCondition.GenerateEmptyCondition();
do
{
Console.Write(".");
NewBlockId blockId = new NewBlockId();
try
{
if (blockList.Count > 0)
{
acquiredLeaseId = ((ICloudBlob)blob).AcquireLeaseAsync(TimeSpan.FromMinutes(1), proposedLeaseId).Result;
accessCondition = AccessCondition.GenerateLeaseCondition(acquiredLeaseId);
}
ms.Position = 0;
numBytesRead = fs.Read(bytesRead, 0, FOURMB);
if (numBytesRead == FOURMB)
{
ms.Write(bytesRead, 0, FOURMB);
Send4mbBlockAsyncWithAccessCondition(blob, ms, blockId, accessCondition).Wait();
}
else
{
MemoryStream msLast = new MemoryStream();
msLast.Capacity = numBytesRead;
msLast.Write(bytesRead, 0, numBytesRead);
Send4mbBlockAsyncWithAccessCondition(blob, msLast, blockId, accessCondition).Wait();
DoneSending = true;
}
}
catch (Exception ex)
{
Console.WriteLine();
Console.WriteLine($"Error: {ex.Message} :sending block to storage.");
continue;
}
try
{
blockList.Add(blockId.Base64BlockId);
blob.PutBlockListAsync(
blockList,
accessCondition,
options: new BlobRequestOptions
{
StoreBlobContentMD5 = true,
UseTransactionalMD5 = true
},
operationContext: new OperationContext()).Wait();
} catch (Exception ex)
{
Console.WriteLine();
Console.WriteLine($"Error: {ex.Message} :commiting block list.");
} finally
{
if (acquiredLeaseId != null)
{
((ICloudBlob)blob).ReleaseLeaseAsync(accessCondition).Wait();
acquiredLeaseId = null;
}
}
} while (!DoneSending);
}
}
