public override bool Obtain()
{
var blob = _azureDirectory.BlobContainer.GetBlockBlobReference(_lockFile);
try
{
Debug.Print("AzureLock:Obtain({0}) : {1}", _lockFile, _leaseid);
if (String.IsNullOrEmpty(_leaseid))
{
_leaseid = blob.AcquireLease(TimeSpan.FromSeconds(60), _leaseid);
Debug.Print("AzureLock:Obtain({0}): AcquireLease : {1}", _lockFile, _leaseid);
// keep the lease alive by renewing every 30 seconds
long interval = (long)TimeSpan.FromSeconds(30).TotalMilliseconds;
_renewTimer = new Timer((obj) =>
{
try
{
AzureLock al = (AzureLock)obj;
al.Renew();
}
catch (Exception err) { Debug.Print(err.ToString()); }
}, this, interval, interval);
}
return(!String.IsNullOrEmpty(_leaseid));
}
catch (StorageException webErr)
{
if (_handleWebException(blob, webErr))
{
return(Obtain());
}
}
return(false);
}
public override bool Obtain()
{
var blob = _azureDirectory.BlobContainer.GetBlobClient(_lockFile);
try
{
Debug.WriteLine($"{_azureDirectory.Name} AzureLock:Obtain({_lockFile}) : {_leaseid}");
if (String.IsNullOrEmpty(_leaseid))
{
var lease = blob.GetBlobLeaseClient().Acquire(TimeSpan.FromSeconds(60));
_leaseid = lease.Value.LeaseId;
Debug.WriteLine($"{_azureDirectory.Name} AzureLock:Obtain({_lockFile}): AcquireLease : {_leaseid}");
// keep the lease alive by renewing every 30 seconds
long interval = (long)TimeSpan.FromSeconds(30).TotalMilliseconds;
_renewTimer = new Timer((obj) =>
{
try
{
AzureLock al = (AzureLock)obj;
al.Renew();
}
catch (Exception err) { Debug.Print(err.ToString()); }
}, this, interval, interval);
}
return(!String.IsNullOrEmpty(_leaseid));
}
catch (RequestFailedException webErr)
{
if (_handleWebException(blob, webErr))
{
return(Obtain());
}
}
/*catch (StorageClientException err)
* {
* if (_handleStorageClientException(blob, err))
* return Obtain();
* }*/
return(false);
}
