Good idea. I have similar problem with Bluetooth protocols. There is a lot of something like that: "Latency = N * 0.625 ms (1 Baseband slot)"
So I want to display [ms] instead of [slot] (or maybe both? [new use case]). What should I do in that case (N * 0.625)? 1. use own BASE_CUSTOM (dissector files) 2. public-predefined base custom function 3. combine it with "BASE_UNIT" (unit_name_string_get_value in base custom function) or BASE_UNIT | BASE_CUSTOM? There is a need to update README.dissector (etc.) I think there should be abbrev-form of unit in "struct unit_name_string" (second, seconds, s) and provide user option to choose between full-form and abbrev. I am not sure, but I will probably use abbreviation. I am not sure if mixing abbrev/non-abbrev on dissector level is good idea. On 12 December 2016 at 04:17, Michael Mann <[email protected]> wrote: > I thought this was a good idea, just took a while to get around to it: > https://code.wireshark.org/review/19211 > > > -----Original Message----- > From: Guy Harris <[email protected]> > To: Developer support list for Wireshark <[email protected]> > Sent: Fri, May 8, 2015 3:09 pm > Subject: Re: [Wireshark-dev] proto.h extension > > > On May 8, 2015, at 7:06 AM, "John Dill" <[email protected]> > wrote: > > >> Message: 3 > >> Date: Thu, 7 May 2015 11:29:22 -0700 > >> From: Guy Harris <[email protected]> > >> To: Developer support list for Wireshark <[email protected]> > >> Subject: Re: [Wireshark-dev] proto.h extension > >> Message-ID: <[email protected]> > >> Content-Type: text/plain; charset=iso-8859-1 > >> > >> On May 7, 2015, at 8:13 AM, "John Dill" <[email protected]> > wrote: > >> > >>> I have a couple of extensions that I created for the Wireshark baseline > >> that we're using (1.10.x). The diffs to proto.h and proto.c show the > code > >> changes to add a couple of features that I've found useful, unit strings > >> and hiding the bits for bitmask header fields. > >>> > >>> http://codepad.org/KTGdEL1t > >> > >> You need more than > >> > >> /* Following constants have to be ORed with a base_display_e when > dissector > >> * want to control aspects of the display string for a header_field_info > */ > >> > >> as a comment there - you need comments explaining what each of those > flags actually *does*. > > > > Guy, > > > > Sorry it wasn't clear. Starting from this snippet... > > > > /* > > * BASE_UNIT_STRING - Append a unit string to the numeric value > > That one's reasonable; I've thought of a similar option. > > > * > > * When active, Wireshark will append a unit string declared as a > > * simple 'char *' for the 'strings' to the numeric value. > > You might want to, instead, have it be a structure with a pair of strings, > so that if the field has the value 1, you can print the singular rather > than the plural, e.g.: > > struct unit_names { > char *singular; /* name to use for 1 unit */ > char *plural; /* name to use for < 1 or > 1 units */ > }; > > struct unit_names feet { > "foot", > "feet" > }; > > { > &hf_MFD_State_Data_Slew_Elevation_Ch1, > { > "Slew_Elevation_Ch1", > "ndo.MFD_State_Data.Slew_Elevation_Ch1", > FT_FLOAT, > BASE_NONE | BASE_UNIT_STRING, > &feet, > 0x0, > NULL, > HFILL > } > }, > > (For floating-point numbers, "1 unit" means "*exactly* 1 unit", i.e. an > exact floating-point comparison with 1x2^0.) > > We could either > > 1) require that both be non-null > > or > > 2) assume that, if the plural is null, you can pluralize using the > standard rules of English. > > Does anybody have a preference there? > > ____________________________________________________________ > _______________ > Sent via: Wireshark-dev mailing list <[email protected]> > Archives: https://www.wireshark.org/lists/wireshark-dev > Unsubscribe: https://www.wireshark.org/mailman/options/wireshark-dev > mailto:[email protected]?subject= > unsubscribe > -- Pozdrawiam / Best regards ------------------------------------------------------------------------------------------------------------- Michał Łabędzki, Software Engineer Tieto Corporation Product Development Services http://www.tieto.com / http://www.tieto.pl --- ASCII: Michal Labedzki location: Swobodna 1 Street, 50-088 Wrocław, Poland room: 5.01 (desk next to 5.08) --- Please note: The information contained in this message may be legally privileged and confidential and protected from disclosure. If the reader of this message is not the intended recipient, you are hereby notified that any unauthorised use, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by replying to the message and deleting it from your computer. Thank You. --- Please consider the environment before printing this e-mail. --- Tieto Poland spółka z ograniczoną odpowiedzialnością z siedzibą w Szczecinie, ul. Malczewskiego 26. Zarejestrowana w Sądzie Rejonowym Szczecin-Centrum w Szczecinie, XIII Wydział Gospodarczy Krajowego Rejestru Sądowego pod numerem 0000124858. NIP: 8542085557. REGON: 812023656. Kapitał zakładowy: 4 271500 PLN
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