/// <summary>
/// Puts the lease on the given blob in a broken state due to the break period expiring.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
/// <returns>The lease ID of the broken lease.</returns>
internal static async Task<string> SetTimeBrokenStateAsync(CloudBlob blob)
{
string leaseId = await SetLeasedStateAsync(blob, null /* infinite lease */);
await blob.BreakLeaseAsync(TimeSpan.FromSeconds(1));
await Task.Delay(TimeSpan.FromSeconds(2));
return leaseId;
}
/// <summary>
/// Puts the lease on the given blob in a broken state due to a break period of zero.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
/// <returns>The lease ID of the broken lease.</returns>
internal static async Task<string> SetInstantBrokenStateAsync(CloudBlob blob)
{
string leaseId = await SetLeasedStateAsync(blob, null /* infinite lease */);
await blob.BreakLeaseAsync(TimeSpan.Zero);
return leaseId;
}
/// <summary>
/// Puts the lease on the given blob in a breaking state for 60 seconds.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
/// <returns>The lease ID of the current (but breaking) lease.</returns>
internal static async Task<string> SetBreakingStateAsync(CloudBlob blob)
{
string leaseId = await SetLeasedStateAsync(blob, null /* infinite lease */);
await blob.BreakLeaseAsync(TimeSpan.FromSeconds(60));
return leaseId;
}
/// <summary>
/// Puts the lease on the given blob in an available state.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
internal static async Task SetAvailableStateAsync(CloudBlob blob)
{
bool shouldBreakFirst = false;
OperationContext operationContext = new OperationContext();
try
{
await blob.DeleteIfExistsAsync(DeleteSnapshotsOption.None, null, null, operationContext);
}
catch (Exception)
{
if (operationContext.LastResult.ExtendedErrorInformation.ErrorCode == BlobErrorCodeStrings.LeaseIdMissing)
{
shouldBreakFirst = true;
}
else
{
throw;
}
}
if (shouldBreakFirst)
{
await blob.BreakLeaseAsync(TimeSpan.Zero);
await blob.DeleteAsync();
}
await CreateBlobAsync(blob);
}
/// <summary>
/// Puts the lease on the given blob in a broken state due to a break period of zero.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
/// <returns>The lease ID of the broken lease.</returns>
internal static string SetInstantBrokenStateTask(CloudBlob blob)
{
string leaseId = SetLeasedStateTask(blob, null /* infinite lease */);
blob.BreakLeaseAsync(TimeSpan.Zero).Wait();
return leaseId;
}
/// <summary>
/// Puts the lease on the given blob in a breaking state for 60 seconds.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
/// <returns>The lease ID of the current (but breaking) lease.</returns>
internal static string SetBreakingStateTask(CloudBlob blob)
{
string leaseId = SetLeasedStateTask(blob, null /* infinite lease */);
blob.BreakLeaseAsync(TimeSpan.FromSeconds(60)).Wait();
return leaseId;
}
/// <summary>
/// Puts the lease on the given blob in an available state.
/// </summary>
/// <param name="blob">The blob with the lease.</param>
internal static void SetAvailableStateTask(CloudBlob blob)
{
bool shouldBreakFirst = false;
try
{
blob.DeleteIfExistsAsync().Wait();
}
catch (AggregateException ex)
{
StorageException exception = ex.InnerException as StorageException;
if (exception == null)
{
throw;
}
if (exception.RequestInformation.ExtendedErrorInformation.ErrorCode == BlobErrorCodeStrings.LeaseIdMissing)
{
shouldBreakFirst = true;
}
else
{
throw;
}
}
if (shouldBreakFirst)
{
blob.BreakLeaseAsync(TimeSpan.Zero).Wait();
blob.DeleteAsync().Wait();
}
CreateBlobTask(blob);
}
