public static async Task <string> UploadFileToStorage(Stream fileStream, string fileName, TypeTable typeTable)
{
try
{
// Create storagecredentials object by reading the values from the configuration (appsettings.json)
StorageCredentials storageCredentials = new StorageCredentials(accountName: CloudStorage.Instance.GetAccountCloudStorage(typeTable).AccountName,
CloudStorage.Instance.GetAccountCloudStorage(typeTable).AccountKey);
// Create cloudstorage account by passing the storagecredentials
CloudStorageAccount storageAccount = new CloudStorageAccount(storageCredentials, true);
// Create the blob client.
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
// Get reference to the blob container by passing the name by reading the value from the configuration (appsettings.json)
CloudBlobContainer container = blobClient.GetContainerReference(CloudStorage.Instance.GetAccountCloudStorage(typeTable).Container);
container.CreateIfNotExists();
// Get the reference to the block blob from the container
CloudBlockBlob blockBlob = container.GetBlockBlobReference(fileName);
string ext = System.IO.Path.GetExtension(fileName).ToLower();
blockBlob.Properties.ContentType = MimeTypes.GetMimeType(ext);
// Upload the file
await blockBlob.UploadFromStreamAsync(fileStream);
string sas = blockBlob.GetSharedAccessSignature(
new SharedAccessBlobPolicy()
{
Permissions = SharedAccessBlobPermissions.Read,
SharedAccessStartTime = DateTime.Now.AddMinutes(-5),
SharedAccessExpiryTime = DateTime.Now.AddYears(999)
});
var url = blockBlob.Uri + sas;
return(url);
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public void BlobIngressEgressCounters()
{
CloudBlobContainer container = GetRandomContainerReference();
container.CreateIfNotExists();
CloudBlockBlob blob = container.GetBlockBlobReference("blob1");
string[] blockIds = new string[] { Convert.ToBase64String(Guid.NewGuid().ToByteArray()), Convert.ToBase64String(Guid.NewGuid().ToByteArray()), Convert.ToBase64String(Guid.NewGuid().ToByteArray()) };
try
{
// 1 byte
TestHelper.ValidateIngressEgress(Selectors.IfUrlContains(blob.Uri.ToString()), () =>
{
OperationContext opContext = new OperationContext();
blob.PutBlock(blockIds[0], new MemoryStream(GetRandomBuffer(1)), null, null, new BlobRequestOptions()
{
RetryPolicy = new RetryPolicies.NoRetry()
}, opContext);
return(opContext.LastResult);
});
// 1024
TestHelper.ValidateIngressEgress(Selectors.IfUrlContains(blob.Uri.ToString()), () =>
{
OperationContext opContext = new OperationContext();
blob.PutBlock(blockIds[1], new MemoryStream(GetRandomBuffer(1024)), null, null, new BlobRequestOptions()
{
RetryPolicy = new RetryPolicies.NoRetry()
}, opContext);
return(opContext.LastResult);
});
// 98765
TestHelper.ValidateIngressEgress(Selectors.IfUrlContains(blob.Uri.ToString()), () =>
{
OperationContext opContext = new OperationContext();
blob.PutBlock(blockIds[2], new MemoryStream(GetRandomBuffer(98765)), null, null, new BlobRequestOptions()
{
RetryPolicy = new RetryPolicies.NoRetry()
}, opContext);
return(opContext.LastResult);
});
// PutBlockList
TestHelper.ValidateIngressEgress(Selectors.IfUrlContains(blob.Uri.ToString()), () =>
{
OperationContext opContext = new OperationContext();
blob.PutBlockList(blockIds, null, new BlobRequestOptions()
{
RetryPolicy = new RetryPolicies.NoRetry()
}, opContext);
return(opContext.LastResult);
});
// GetBlockList
TestHelper.ValidateIngressEgress(Selectors.IfUrlContains(blob.Uri.ToString()), () =>
{
OperationContext opContext = new OperationContext();
blob.DownloadBlockList(BlockListingFilter.All, null, new BlobRequestOptions()
{
RetryPolicy = new RetryPolicies.NoRetry()
}, opContext);
return(opContext.LastResult);
});
// Download
TestHelper.ValidateIngressEgress(Selectors.IfUrlContains(blob.Uri.ToString()), () =>
{
OperationContext opContext = new OperationContext();
blob.DownloadToStream(Stream.Null, null, new BlobRequestOptions()
{
RetryPolicy = new RetryPolicies.NoRetry()
}, opContext);
return(opContext.LastResult);
});
Assert.AreEqual(blob.Properties.Length, 98765 + 1024 + 1);
// Error Case
CloudBlockBlob nullBlob = container.GetBlockBlobReference("null");
OperationContext errorContext = new OperationContext();
try
{
nullBlob.DownloadToStream(Stream.Null, null, new BlobRequestOptions()
{
RetryPolicy = new RetryPolicies.NoRetry()
}, errorContext);
Assert.Fail("Null blob, null stream, no download possible.");
}
catch (StorageException)
{
Assert.IsTrue(errorContext.LastResult.IngressBytes > 0);
}
}
finally
{
container.DeleteIfExists();
}
}