private async Task <AcquireLeaseResult> Acquire(string category, LeaseRequest leaseRequest)
{
try
{
var blobClient = GetBlobClient(category, leaseRequest.ResourceKey);
//create this blob
await blobClient.UploadAsync(new MemoryStream(Encoding.UTF8.GetBytes("blob")), new BlobHttpHeaders { ContentType = "application/json" });
var leaseClient = blobClient.GetBlobLeaseClient();
var lease = await leaseClient.AcquireAsync(leaseRequest.Duration);
return(new AcquireLeaseResult(new AcquiredLease(leaseRequest.ResourceKey, leaseRequest.Duration, lease.Value.LeaseId, DateTime.UtcNow), ResponseCode.OK, null));
}
catch (RequestFailedException e)
{
ResponseCode statusCode;
//This mapping is based on references : https://docs.microsoft.com/en-us/rest/api/storageservices/blob-service-error-codes
// https://docs.microsoft.com/en-us/rest/api/storageservices/Lease-Blob?redirectedfrom=MSDN
switch (e.Status)
{
case 404:
case 409:
case 412: statusCode = ResponseCode.LeaseNotAvailable; break;
default: statusCode = ResponseCode.TransientFailure; break;
}
return(new AcquireLeaseResult(new AcquiredLease(leaseRequest.ResourceKey), statusCode, e));
}
}
private async Task <AcquireLeaseResult> Acquire(string category, LeaseRequest leaseRequest)
{
try
{
var blob = this.container.GetBlockBlobReference(GetBlobName(category, leaseRequest.ResourceKey));
blob.Properties.ContentType = "application/json";
//create this blob
await blob.UploadTextAsync("blob");
var leaseId = await blob.AcquireLeaseAsync(leaseRequest.Duration);
return(new AcquireLeaseResult(new AcquiredLease(leaseRequest.ResourceKey, leaseRequest.Duration, leaseId, DateTime.UtcNow), ResponseCode.OK, null));
}
catch (StorageException e)
{
ResponseCode statusCode;
//This mapping is based on references : https://docs.microsoft.com/en-us/rest/api/storageservices/blob-service-error-codes
// https://docs.microsoft.com/en-us/rest/api/storageservices/Lease-Blob?redirectedfrom=MSDN
switch (e.RequestInformation.HttpStatusCode)
{
case 404:
case 409:
case 412: statusCode = ResponseCode.LeaseNotAvailable; break;
default: statusCode = ResponseCode.TransientFailure; break;
}
return(new AcquireLeaseResult(new AcquiredLease(leaseRequest.ResourceKey), statusCode, e));
}
}
