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Le 31 aoÃ»t 2010 Ã 09:38, Vishal Kumar Singh <firstname.lastname@example.org> a Ã©crit :
> Hi All,
> I have been trying to make RRC Dissector using the source code available at http://anonsvn.wireshark.org/viewvc/trunk-1.4/epan/dissectors/.
> Simply, I am trying to build a library in any directory. After that, I copy the library to the plugin directory of wireshark. When I run wireshark and send some packets, I get DL CCCH message only, proto_register_protocol invokes only "dissect_lte_rrc_DL_CCCH_Message" Function. I made a simple change to meet my motive. Instead, I invoked "dissect_lte_rrc_Message", which further calls dissector function for DL CCCH, UL CCCH, UL DCCH etc. But, now i have to make a decision based on which only one of all is called. Presently, when all the three dissector function is invoked.
Why creating a plugin based on the existing dissector instead of using the dissector itself ?
> Please, suggest me a suitable method to this. Can i select based on message type to differentiate UL CCCH, UL DCCH, DL CCCH messages? Or, is there any other method to differentiate the messages?
No you can't differenciate the different logical channels (UL/DL CCCH/DCCH, PCCH, ...) automatically. You need to know what kind of packets you are trying to dissect and call the corresponding dissector accordingly.
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