Wireshark-dev: [Wireshark-dev] Unable to register over TCAP
Date: Wed, 12 Mar 2008 16:03:32 +0530
Hi all ,
 
I have written a dissector ( ASN.1 format), which runs over ETSI-TCAP. Now,this dissector has an SCCP sub-system number.In general , the sub-dissectors running over ITU-TCAP( eg : camel , GSMMAP) are registered in the following way:
 
In the proto_register_xxx(void):
 
range_convert_str(&global_ssn_range, "6-9", MAX_SSN);
ssn_range = range_empty();
prefs_register_range_preference(xxx_module, "tcap.ssn", "XXX SSNs", "TCAP Subsystem numbers used for XXX", &global_ssn_range, MAX_SSN);
 
In proto_reg_handoff_xxx(void), we use:
 
if ( !xxx_initialised)
{
}
else{
range_foreach(ssn_range, range_delete_callback);}
...
ssn_range = range_copy(global_ssn_range);
range_foreach(ssn_range, range_add_callback);
 
For a dissector having SCCP SSN, we use :
 
dissector_delete("sccp.ssn", SCCP_SSN_XXX, xxx_handle);
dissector_add("sccp.ssn", SCCP_SSN_XXX, xxx_handle);
 
Now I am not able to register either ways . Proto_reg_handoff_xxx is not getting called at all.
 Can somebody please help me ??

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