RenewLeaseAsync() public method

public RenewLeaseAsync ( string leaseId, CancellationToken token ) : Task
leaseId string
token System.Threading.CancellationToken
return Task
BlobLeaseManager Class Documentation
Exemplo n.º 1
0
        private async Task KeepRenewingLease(BlobLeaseManager leaseManager, string leaseId, CancellationToken token)
        {
            var renewOffset = new Stopwatch();

            while (!token.IsCancellationRequested)
            {
                try
                {
                    // Immediately attempt to renew the lease
                    // We cannot be sure how much time has passed since the lease was actually acquired
                    renewOffset.Restart();
                    var renewed = await leaseManager.RenewLeaseAsync(leaseId, token);

                    renewOffset.Stop();

                    if (!renewed)
                    {
                        return;
                    }

                    // We delay based on the time from the start of the last renew request to ensure
                    var renewIntervalAdjusted = RenewInterval - renewOffset.Elapsed;

                    // If the adjusted interval is greater than zero wait for that long
                    if (renewIntervalAdjusted > TimeSpan.Zero)
                    {
                        await Task.Delay(RenewInterval - renewOffset.Elapsed, token);
                    }
                }
                catch (OperationCanceledException)
                {
                    leaseManager.ReleaseLease(leaseId);

                    return;
                }
            }
        }
Exemplo n.º 2
0
        private async Task KeepRenewingLease(BlobLeaseManager leaseManager, string leaseId, CancellationToken token)
        {
            var renewOffset = new Stopwatch();

            while (!token.IsCancellationRequested)
            {
                try
                {
                    // Immediately attempt to renew the lease
                    // We cannot be sure how much time has passed since the lease was actually acquired
                    renewOffset.Restart();
                    var renewed = await leaseManager.RenewLeaseAsync(leaseId, token);
                    renewOffset.Stop();

                    if (!renewed)
                    {
                        return;
                    }

                    // We delay based on the time from the start of the last renew request to ensure
                    var renewIntervalAdjusted = RenewInterval - renewOffset.Elapsed;
                    
                    // If the adjusted interval is greater than zero wait for that long
                    if (renewIntervalAdjusted > TimeSpan.Zero)
                    {
                        await Task.Delay(RenewInterval - renewOffset.Elapsed, token);
                    }
                }
                catch (OperationCanceledException)
                {
                    leaseManager.ReleaseLease(leaseId);

                    return;
                }
            }
        }