public static Exception GetExceptionFromOutcome(Outcome outcome)
{
Exception retException = null;
if (outcome == null)
{
retException = new IotHubException("Unknown error.");
return retException;
}
if (outcome.DescriptorCode == Rejected.Code)
{
var rejected = (Rejected)outcome;
retException = AmqpErrorMapper.ToIotHubClientContract(rejected.Error);
}
else if (outcome.DescriptorCode == Released.Code)
{
retException = new OperationCanceledException("AMQP link released.");
}
else
{
retException = new IotHubException("Unknown error.");
}
return retException;
}
async Task DisposeMessageAsync(string lockToken, Outcome outcome)
{
var deliveryTag = IotHubConnection.ConvertToDeliveryTag(lockToken);
Outcome disposeOutcome;
try
{
ReceivingAmqpLink deviceBoundReceivingLink = await this.GetDeviceBoundReceivingLinkAsync();
disposeOutcome = await deviceBoundReceivingLink.DisposeMessageAsync(deliveryTag, outcome, batchable: true, timeout: this.OperationTimeout);
}
catch (Exception exception)
{
if (exception.IsFatal())
{
throw;
}
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))
{
throw new DeviceMessageLockLostException(rejected.Error.Description);
}
}
throw AmqpErrorMapper.GetExceptionFromOutcome(disposeOutcome);
}
}
static bool CanBatch(Outcome outcome1, Outcome outcome2)
{
// Only batch accepted and released outcomes
return outcome1 != null &&
outcome2 != null &&
outcome1.DescriptorCode == outcome2.DescriptorCode &&
(outcome1.DescriptorCode == Accepted.Code || outcome1.DescriptorCode == Released.Code);
}