Wireshark mailing list archives

Re: wireshark decode as..??


From: ronnie sahlberg <ronniesahlberg () gmail com>
Date: Tue, 23 Mar 2010 10:09:19 +1100

change it to

       if (!initialized) {
           data_handle = find_dissector("data");
           helen_handle = create_dissector_handle(dissect_helen,
proto_helen);
           for (i = 0; i < 25; i++) {

               dissector_add("udp.port", ports[i], helen_handle);
           }
       }

You also shouldnt hardcode the size of the array in the for loop like
that,   use something like      sizeof[ports] / sizeof(ports[0])
instead.



On Tue, Mar 23, 2010 at 9:30 AM, Brian Oleksa
<oleksab () darkcornersoftware com> wrote:
Olivier

Yes...looks like I do. Any thoughts on how I can fix this..??

Thanks,
Brian

void proto_reg_handoff_helen(void) {
   static gboolean initialized = FALSE;

   int i;

   for (i = 0; i < 25; i++) {

       if (!initialized) {
           data_handle = find_dissector("data");
           helen_handle = create_dissector_handle(dissect_helen,
proto_helen);
           dissector_add("udp.port", ports[i], helen_handle);
       }
   }
   initialized = TRUE;
}



wsgd wrote:
Perhaps you call create_dissector_handle for each port ?

Olivier

Brian Oleksa a écrit :

Guy

Actually....this is what I am doing:

dissector_add("udp.port", ports[i], helen_handle);

Where ports has a list of port numbers in it.

static int ports[25] = {5136, 5000, 5220, 42250, 50000, 5221, 5222,
49901, 49501, 49510, 42251, 42250, 5226, 47001, 5227, 7636, 59201,
    59202, 59203, 59204, 59205, 59206, 59207, 59209, 59210};

Is this a problem..??  How do I get around this..??

Thanks,
Brian



Guy Harris wrote:


On Mar 22, 2010, at 1:04 PM, Brian Oleksa wrote:




When I right click on a packet and select decode as....under the
transport tab... there is like 14 of my protocols in the selection box.
(so I see the word HELEN 14 times in a row)

Does anybody know why this is..??



You're only calling dissector_add() or dissector_add_handle() once, right?  You're not calling it, for example, 
every time a preference is set?
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