• Recent
    • Tags
    • Popular
    • Register
    • Login

    Please Note This forum exists for community support for the Mango product family and the Radix IoT Platform. Although Radix IoT employees participate in this forum from time to time, there is no guarantee of a response to anything posted here, nor can Radix IoT, LLC guarantee the accuracy of any information expressed or conveyed. Specific project questions from customers with active support contracts are asked to send requests to support@radixiot.com.

    Radix IoT Website Mango 3 Documentation Website Mango 4 Documentation Website Mango 5 Documentation Website

    Bug in SequenceOf?

    BACnet4J general discussion
    2
    4
    2.2k
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • N
      niatzeni
      last edited by

      Hello.

      I think there is a bug in SequenceOf constructor.

      
          public SequenceOf(ByteQueue queue, Class<E> clazz) throws BACnetException {
              values = new ArrayList<E>();
              while (peekTagNumber(queue) != -1)
                  values.add(read(queue, clazz));
          }
      
      

      I used ObjectProperties to add property reference for my own bacnet object.

       		add(new ObjectType(146), new PropertyIdentifier(552), GSMPersons.class, false, false, null);
      

      GSMPersons is a property, that contains SequenceOf<CharacterString> without any context id.

      When I'm trying to read this property:

      0000   00 23 54 ed 8d 5d 08 60 6e 79 44 75 08 00 45 00  .#T..].`nyDu..E.
      0010   00 3e 12 51 00 00 ff 11 fa bd c0 a8 16 cf c0 a8  .>.Q............
      0020   16 80 ba c0 ba c1 00 2a 10 5c 81 0a 00 22 01 00  .......*.\..."..
      0030   30 a4 0c 0c 24 80 00 00 1a 02 28 3e 75 0d 00 2b  0...$.....(>u..+
      0040   37 39 32 36 31 33 31 34 31 30 33 3f              79261314103?
      

      it reads one element of sequence ("+79261314103") and then I get an exception, because ByteQueue contains only "3F", that is closing context tag of property value in read property request. And peekTagNumber(queue) is not -1.

      1 Reply Last reply Reply Quote 0
      • N
        niatzeni
        last edited by

        I changed constructor, now it works.

        	public SequenceOf(ByteQueue queue, Class<E> clazz) throws BACnetException {
        		values = new ArrayList<E>();
        
        		int tagNumber = -1;
        		while ((tagNumber = peekTagNumber(queue)) != -1
        				&& matchNonEndTag(queue, tagNumber))
        			values.add(read(queue, clazz));
        	}
        
        
        1 Reply Last reply Reply Quote 0
        • M
          mlohbihler
          last edited by

          Maybe the SequenceOf<CharacterString> should just have a context id?

          Best regards,
          Matthew

          1 Reply Last reply Reply Quote 0
          • First post
            Last post