async Task ProcessConnectAckAsync(IChannelHandlerContext context, ConnAckPacket packet)
{
if (packet.ReturnCode != ConnectReturnCode.Accepted)
{
string reason = "CONNECT failed: " + packet.ReturnCode;
var iotHubException = new UnauthorizedException(reason);
ShutdownOnError(context, iotHubException);
return;
}
if (!this.IsInState(StateFlags.Connecting))
{
string reason = "CONNECT has been received, however a session has already been established. Only one CONNECT/CONNACK pair is expected per session.";
var iotHubException = new IotHubException(reason);
ShutdownOnError(context, iotHubException);
return;
}
this.stateFlags = StateFlags.Connected;
this.onConnected();
this.ResumeReadingIfNecessary(context);
if (packet.SessionPresent)
{
await this.SubscribeAsync(context);
}
}
public static Exception ToIotHubClientContract(Error error)
{
Exception retException;
if (error == null)
{
retException = new IotHubException("Unknown error.");
return retException;
}
string message = error.Description;
string trackingId = null;
if (error.Info != null && error.Info.TryGetValue(IotHubAmqpProperty.TrackingId, out trackingId))
{
message = "{0}{1}{2}".FormatInvariant(message, Environment.NewLine, "Tracking Id:" + trackingId);
}
if (error.Condition.Equals(IotHubAmqpErrorCode.TimeoutError))
{
retException = new TimeoutException(message);
}
else if (error.Condition.Equals(AmqpErrorCode.NotFound))
{
retException = new DeviceNotFoundException(message, (Exception)null);
}
else if (error.Condition.Equals(AmqpErrorCode.NotImplemented))
{
retException = new NotSupportedException(message);
}
else if (error.Condition.Equals(IotHubAmqpErrorCode.MessageLockLostError))
{
retException = new DeviceMessageLockLostException(message);
}
else if (error.Condition.Equals(AmqpErrorCode.NotAllowed))
{
retException = new InvalidOperationException(message);
}
else if (error.Condition.Equals(AmqpErrorCode.UnauthorizedAccess))
{
retException = new UnauthorizedException(message);
}
else if (error.Condition.Equals(IotHubAmqpErrorCode.ArgumentError))
{
retException = new ArgumentException(message);
}
else if (error.Condition.Equals(IotHubAmqpErrorCode.ArgumentOutOfRangeError))
{
retException = new ArgumentOutOfRangeException(message);
}
else if (error.Condition.Equals(AmqpErrorCode.MessageSizeExceeded))
{
retException = new MessageTooLargeException(message);
}
else if (error.Condition.Equals(AmqpErrorCode.ResourceLimitExceeded))
{
retException = new DeviceMaximumQueueDepthExceededException(message);
}
else if (error.Condition.Equals(IotHubAmqpErrorCode.DeviceAlreadyExists))
{
retException = new DeviceAlreadyExistsException(message, null);
}
else if (error.Condition.Equals(IotHubAmqpErrorCode.DeviceContainerThrottled))
{
retException = new IotHubThrottledException(message, null);
}
else if (error.Condition.Equals(IotHubAmqpErrorCode.IotHubSuspended))
{
retException = new IotHubSuspendedException(message);
}
else
{
retException = new IotHubException(message);
}
if (trackingId != null && retException is IotHubException)
{
IotHubException iotHubException = (IotHubException) retException;
iotHubException.TrackingId = trackingId;
}
return retException;
}
