public static int GetMaxApduLength(this MaxApduLength length)
{
switch (length)
{
case MaxApduLength.UP_TO_50:
return(50);
case MaxApduLength.UP_TO_128:
return(128);
case MaxApduLength.UP_TO_206:
return(206);
case MaxApduLength.UP_TO_480:
return(480);
case MaxApduLength.UP_TO_1024:
return(1024);
case MaxApduLength.UP_TO_1476:
return(1476);
default:
throw new ArgumentOutOfRangeException(nameof(length));
}
}
public ConfirmedRequest(bool segmentedMessage, bool moreFollows, bool segmentedResponseAccepted,
MaxSegments maxSegmentsAccepted, MaxApduLength maxApduLengthAccepted, byte invokeId, int sequenceNumber,
int proposedWindowSize, byte serviceChoice, ByteStream serviceData)
{
setFields(segmentedMessage, moreFollows, segmentedResponseAccepted, maxSegmentsAccepted,
maxApduLengthAccepted,
invokeId, sequenceNumber, proposedWindowSize, serviceChoice);
ServiceData = serviceData;
}
/**
* This field is used to allow parsing of only the APDU so that those fields are available in case there is a
* problem parsing the service request.
*/
public ConfirmedRequest(bool segmentedMessage, bool moreFollows, bool segmentedResponseAccepted,
MaxSegments maxSegmentsAccepted, MaxApduLength maxApduLengthAccepted, byte invokeId, int sequenceNumber,
int proposedWindowSize, ConfirmedRequestService serviceRequest)
{
setFields(segmentedMessage, moreFollows, segmentedResponseAccepted, maxSegmentsAccepted,
maxApduLengthAccepted,
invokeId, sequenceNumber, proposedWindowSize, serviceRequest.ChoiceId);
ServiceRequest = serviceRequest;
}
private void setFields(bool segmentedMessage, bool moreFollows, bool segmentedResponseAccepted,
MaxSegments maxSegmentsAccepted, MaxApduLength maxApduLengthAccepted, byte invokeId, int sequenceNumber,
int proposedWindowSize, byte serviceChoice)
{
IsSegmentedMessage = segmentedMessage;
IsMoreFollows = moreFollows;
IsSegmentedResponseAccepted = segmentedResponseAccepted;
MaxSegmentsAccepted = maxSegmentsAccepted;
MaxApduLengthAccepted = maxApduLengthAccepted;
InvokeId = invokeId;
SequenceNumber = sequenceNumber;
ProposedWindowSize = proposedWindowSize;
this.serviceChoice = serviceChoice;
}
public byte[] GetBytes()
{
ArrayList res = new ArrayList();
res.Add((byte)BacNetEnums.BACNET_PDU_TYPE.PDU_TYPE_UNCONFIRMED_SERVICE_REQUEST);
res.Add((byte)BacNetEnums.BACNET_UNCONFIRMED_SERVICE.SERVICE_UNCONFIRMED_I_AM);
//Object ID
BacNetTag deviceTag = new BacNetTag {
Class = false, Length = 4, Number = (byte)BacNetEnums.BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_OBJECT_ID
};
res.AddRange(deviceTag.GetBytes());
BacNetObject device = new BacNetObject {
ObjectType = BacNetEnums.BACNET_OBJECT_TYPE.OBJECT_DEVICE, ObjectId = deviceObject.ObjectId
};
res.AddRange(device.GetObjectBytes());
//Max APDU
BacNetTag maxApduTag = new BacNetTag {
Class = false, Length = (byte)MaxApduLength.GetLength(), Number = (int)BacNetEnums.BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT
};
res.AddRange(maxApduTag.GetBytes());
res.AddRange(MaxApduLength.GetBytes());
//Segmentation
BacNetTag segmentationTag = new BacNetTag {
Class = false, Length = 1, Number = (int)BacNetEnums.BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_ENUMERATED
};
res.AddRange(segmentationTag.GetBytes());
res.Add((byte)SegmentationSupported);
//Vendor Id
BacNetTag vendorIdTag = new BacNetTag {
Class = false, Length = (byte)VendorId.GetLength(), Number = (int)BacNetEnums.BACNET_APPLICATION_TAG.BACNET_APPLICATION_TAG_UNSIGNED_INT
};
res.AddRange(vendorIdTag.GetBytes());
res.AddRange(VendorId.GetBytes());
return((byte[])res.ToArray(typeof(byte)));
}
public static int GetId(this MaxApduLength length)
{
return((int)length);
}
public AcknowledgementService send(Address address, OctetString linkService, MaxApduLength maxAPDULength,
Segmentation segmentationSupported, ConfirmedRequestService serviceRequest)
{
return(applicationLayer.send(address, linkService, (uint)maxAPDULength.GetMaxApduLength(), segmentationSupported, serviceRequest));
}
