Getting Started - (DDS) Community RTI Connext Users

5.2 Displaying PacketsTable 5.1RTPS 2.x Submessage TypesSubmessage TypeACKNACKACKNACK_BATCHACKNACK_SESSIONDATADATA_BATCHDATA_FRAGDATA_SESSIONGAPDescriptionProvides information on the state of a Reader to a Writer.Provides information on the state of a Reader to a Writer for batched data.Provides information on the state of a Reader to a multi-channel WriterContains information regarding the value of an application Data-object. Theinformation is a fixed string with the following format:(1[23])Where:1 = a letter representing the entity ID:P (upper case) = DomainParticipantt = Built-in topic writerw = built-in publication writerr = built-in subscription writerp (lower case) = built-in participant writerm = peer-to-peer participant message writer? = unknown writer2,3 = two letters that describe the last two bits of the statusInfo inline QoS:Bit-1 Bit-0 Text-------------------------0 0 __0 1 _D1 0 U_1 1 UDWhere bit 0="Disposed" flag, and bit 1 = Unregistered flagFor example, you may see:DATA(p[__])DATA(p[_D])Contains information regarding the values of a batch of application data objects.Contains a fragment of information regarding the value of an application Dataobject.For RTI Data Distribution Service 4.2e and higher, a new format is used; capturedsubmessages of the earlier format are displayed as DATA_FRAG_deprecated.Contains information regarding the value of an application Data-object when sentby a multi-channel WriterDescribes the information that is no longer relevant to Readers.5. Analyzing Packets5-3