Wireshark · Wireshark-dev: Re: [Wireshark-dev] local operation code in MAP

[<durgabhavani.uppuluru@xxxxxxxxx>]

Hi,

 

I’m using wireshark 0.99.5 sources.

The below code is right.

I’ve added the operations in the same way.

 

Here are the steps followed:

 

My GSMMAP.asn files looks

 

1. OperationLocalvalue ::= INTEGER{

        updateLocation (2),

            :

        noteMM-Event (89),

        operation1(152),

        operation2(153)

}

 

2. Operation descriptions of operation1 & operation2 are added

 

3. packet-gsm_map-template.c is updated with

 

gsm_map_opr_code_strings[]={

{   2, "updateLocation" },

:

{   152, "operation1" },

{   153, "operation2" }

}

 

dissect_invokeData()

switch(opcode){

  case  2: /*updateLocation*/ dissect_gsm_map_UpdateLocationArg();  break;

            :

  case 152: /*operation 1*/ dissect_gsm_map_Operation1Arg(); break;

  case 153: /*operation 2*/ dissect_gsm_map_Operation2Arg(); break;

}

return offset;

}

           

3. makefile is used to generate packet-gsm_map.c, packet-gsm_map.h.

Options used with asn2wrs are:

python ../../tools/asn2wrs.py -b -e -p gsm_map -c gsmmap.cnf -s packet-gsm_map-template GSMMAP.asn

 

4. Generated packet-gsm_map.c, packet-gsm_map.h are copied to ../../epan/dissectors folder.

Standard makefile present in the wireshark-0.99.5 directory is used to build the wireshark exe.

 

The same steps when followed with operation codes with 90,91 or 94,95  work fine.

 

Thanks for your time.

 

Best Regards,

Bhavani.

 

From: "Anders Broman \(AL/EAB\)" <anders.broman@xxxxxxxxxxxx>
Date: Mon, 26 Feb 2007 16:21:09 +0100

Hi,

Are you running the latest SVN version of Wireshark?

I asume that "adding an operation with local value 153 to GSMMAP" means that you are editing the sources,

what happens if you change:

GSMMAPOperationLocalvalue ::= INTEGER{
 updateLocation (2),

:

 noteMM-Event (89)
        }

To:

 noteMM-Event (89),

 your-string(153)
        }

in GSMMAP.asn and rebuild the dissector using asn2wrs?

Best regards

Anders

 

---

From: DurgaBhavani Uppuluru

Sent: Monday, February 26, 2007 10:46 AM
To: 'wireshark-dev@xxxxxxxxxxxxx'
Subject: RE: local operation code in MAP

 

Hi Anders,

 

Hex value shown, in the bytes pane is 99.

I’ve tried other numbers too (>150) and I get similar result.

 

Best Regards,

Bhavani.

 

From: "Anders Broman" <a.broman@xxxxxxxxx>
Date: Sun, 25 Feb 2007 19:55:43 +0100

Hi,

What is the hex value shown in the bytes pane when marking localvalue in the

middle pane?

Best regards

Anders

 

---

From: DurgaBhavani Uppuluru
Sent: Sunday, February 25, 2007 2:36 PM
To: 'wireshark-dev@xxxxxxxxxxxxx'
Subject: local operation code in MAP

 

Hi All,

 

Greetings to you.

 

I’m adding an operation with local value 153 to GSMMAP.

But dissector does not recognize 153, it reports Unknown -103.

Kindly tell me how to set this value.

 

Thanks,

Bhavani.

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