Re: Problem in using a global variable in wireshark/gtk folder which is defined in epan/dissectors/ folder

[Vishnu Bhatt <vishnu.bhatt () aricent com>]

Hi,

I am implementing a functionality where I want to scan all packets in a pcap file, and depending on a configuration, 
select only the relevant packets of a call flow (basically create a filter and then apply it). I will be using only the 
GUI mode (no tshark). Tap interface will not serve my purpose.
Is there a quick fix way to call UI code from the dissectors code? I simply want to prototype and test.

Regards,
Vishnu

________________________________
From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Anders Broman
Sent: Wednesday, April 18, 2012 5:25 PM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Problem in using a global variable in wireshark/gtk folder which is defined in 
epan/dissectors/ folder

Hi,
You should probably do what you are trying to do trough the tap interface instead, dissectors are not supposed to have 
any UI code as they can be run from tshark as well.
If you intend to submit your code back to Wireshark it might help if you describe the functionality you are designing,
Regards
Anders

________________________________
From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-bounces () wireshark org] On Behalf Of Vishnu Bhatt
Sent: den 18 april 2012 12:52
To: wireshark-dev () wireshark org
Subject: [Wireshark-dev] Problem in using a global variable in wireshark/gtk folder which is defined in 
epan/dissectors/ folder
Hello,
I have a global variable in a .c file in the wireshark/epan/dissectors/ folder. How do I use it in another .c file in 
the wireshark/gtk/ folder? Every time I try using extern, I get an "undefined reference" error. I am able to use the 
same variable in another .c file in the epan/ folder. Is there anything I am missing?

The exact error I am getting is

/home1/vishnu.bhatt/11.2.1/wireshark_3g/gtk/call_trace.c:139: undefined reference to `UE_trace_IMSI_table'

"UE_trace_IMSI_table" is a global variable defined in 
/home1/vishnu.bhatt/11.2.1/wireshark_3g/epan/dissectors/packet-abc.c

And I am trying to use "UE_trace_IMSI_table" in /home1/vishnu.bhatt/11.2.1/wireshark_3g/gtk/call_trace.c

I have declared "UE_trace_IMSI_table" in /home1/vishnu.bhatt/11.2.1/wireshark_3g/gtk/call_trace.h

Any help will be appreciated.

Thanks and Regards
Vishnu Bhatt




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