[Wireshark-dev] Question about dissector - how can I split the bit stream into separate Frames?

[Cai Shenyu]

Dear all,


currently,I was trying to develop a plugin to parse a bit stream in 
wireshark.now the problem was how to split the bit stream into separate Frames 
with corresponding message?
the caputred now below.


what I wanted was below:


Frame 1        Message_A
    Hill-Stream Message_A
        Hill-Stream Protocol
                HillStream PDU Type: 10
                HillStream PDU Flag: 0x04
                HillStream PDU Sequence NO: 4386
                HillStream PDU Initial IP: 192.168.0.102
Frame 2        Message_B
    Hill-Stream Message_B
        Hill-Stream Protocol
                HillStream PDU Type: 10
                HillStream PDU Flag: 0x04
                HillStream Additional Field: 287490216
                HillStream Another Field: 102


After reading documenets from wireshark org,. 
1.create tvb with correct offset and len
2.create pinfo from imcoming packet_info and update the num with unique number 
also set can_desemenent=0
3.create substree with correct tvb,offset and len。
4.call message A and message B dissector.
I am not sure what was missing that cause can't split the bit stream into 
separate Frames with corresponding message(A&B)
can any collages help me ? thanks a lot!


here is the part of code.





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