private async Task DisposeMessageAsync(string lockToken, AmqpIotDisposeActions outcome, CancellationToken cancellationToken)
{
if (Logging.IsEnabled)
{
Logging.Enter(this, outcome, nameof(DisposeMessageAsync));
}
try
{
// Currently, the same mechanism is used for sending feedback for C2D messages and events received by modules.
// However, devices only support C2D messages (they cannot receive events), and modules only support receiving events
// (they cannot receive C2D messages). So we use this to distinguish whether to dispose the message (i.e. send outcome on)
// the DeviceBoundReceivingLink or the EventsReceivingLink.
// If this changes (i.e. modules are able to receive C2D messages, or devices are able to receive telemetry), this logic
// will have to be updated.
using var ctb = new CancellationTokenBundle(_operationTimeout, cancellationToken);
AmqpIotOutcome disposeOutcome = await _amqpUnit.DisposeMessageAsync(lockToken, outcome, ctb.Token).ConfigureAwait(false);
disposeOutcome.ThrowIfError();
}
finally
{
if (Logging.IsEnabled)
{
Logging.Exit(this, outcome, nameof(DisposeMessageAsync));
}
}
}
private async Task DisposeMessageAsync(string lockToken, AmqpIoTDisposeActions outcome, CancellationToken cancellationToken)
{
if (Logging.IsEnabled)
{
Logging.Enter(this, outcome, $"{nameof(DisposeMessageAsync)}");
}
AmqpIoTOutcome disposeOutcome;
try
{
// Currently, the same mechanism is used for sending feedback for C2D messages and events received by modules.
// However, devices only support C2D messages (they cannot receive events), and modules only support receiving events
// (they cannot receive C2D messages). So we use this to distinguish whether to dispose the message (i.e. send outcome on)
// the DeviceBoundReceivingLink or the EventsReceivingLink.
// If this changes (i.e. modules are able to receive C2D messages, or devices are able to receive telemetry), this logic
// will have to be updated.
disposeOutcome = await _amqpUnit.DisposeMessageAsync(lockToken, outcome, _operationTimeout).ConfigureAwait(false);
}
catch (Exception exception) when(!exception.IsFatal() && !(exception is OperationCanceledException))
{
throw AmqpIoTExceptionAdapter.ConvertToIoTHubException(exception);
}
disposeOutcome.ThrowIfError();
if (Logging.IsEnabled)
{
Logging.Exit(this, outcome, $"{nameof(DisposeMessageAsync)}");
}
}
private async Task DisposeMessageAsync(string lockToken, Outcome outcome, CancellationToken cancellationToken)
{
Outcome disposeOutcome;
try
{
// Currently, the same mechanism is used for sending feedback for C2D messages and events received by modules.
// However, devices only support C2D messages (they cannot receive events), and modules only support receiving events
// (they cannot receive C2D messages). So we use this to distinguish whether to dispose the message (i.e. send outcome on)
// the DeviceBoundReceivingLink or the EventsReceivingLink.
// If this changes (i.e. modules are able to receive C2D messages, or devices are able to receive telemetry), this logic
// will have to be updated.
disposeOutcome = await _amqpUnit.DisposeMessageAsync(lockToken, outcome, _operationTimeout).ConfigureAwait(false);
}
catch (Exception exception) when(!exception.IsFatal() && !(exception is OperationCanceledException))
{
throw AmqpClientHelper.ToIotHubClientContract(exception);
}
if (disposeOutcome.DescriptorCode != Accepted.Code)
{
if (disposeOutcome.DescriptorCode == Rejected.Code)
{
var rejected = (Rejected)disposeOutcome;
// Special treatment for NotFound amqp rejected error code in case of DisposeMessage
if (rejected.Error != null && rejected.Error.Condition.Equals(AmqpErrorCode.NotFound))
{
Error error = new Error
{
Condition = IotHubAmqpErrorCode.MessageLockLostError
};
throw AmqpErrorMapper.ToIotHubClientContract(error);
}
}
throw AmqpErrorMapper.GetExceptionFromOutcome(disposeOutcome);
}
}
