Dive Site Duplicates [was Re: Dive site management on daily build 4.4.2.669]

[Davide DB]

On Wed, Jun 17, 2015 at 2:41 PM, Dirk Hohndel <dirk at hohndel.org> wrote:
> On Wed, Jun 17, 2015 at 02:29:56PM +0200, Davide DB wrote:
>> On Tue, Jun 16, 2015 at 6:03 PM, Davide DB <dbdavide at gmail.com> wrote:
>> >
>> > Did you change the UUID algorithm?
>> >
>> > Comparing the two files I found same dives with different UUID's
>> > Hummm maybe I'm doing something stupid here.
>> >
>> > <dive number='9' rating='3' visibility='2' tags='boat, oc, reef,
>> > wreck' divesiteid='55f8ce21' date='2011-05-22' time='15:50:00'
>> > duration='84:00 min'>
>> > <dive number='9' rating='3' visibility='2' tags='boat, oc, reef,
>> > wreck' divesiteid='59a1f629' date='2011-05-22' time='15:50:00'
>> > duration='84:00 min'>
>>
>> Into a V3 xml file, on some dives I find:
>>
>> <divecomputer model='Suunto Vyper' deviceid='434babf7'
>> diveid='451b0b76' date='2015-03-08' time='12:16:00'>
>>
>> or
>>
>> <divecomputer model='Suunto Vyper' deviceid='434babf7' diveid='167c16ae'>
>>
>> What is a "diveid" parameter?
>
> It's our way of identifying a specific dive, downloaded from your dive
> computer. So when you download the same dive from the same divecomputer
> again we can tell
>
>> I found no other references inside my file.
>
> Yes, this is not used to cross-reference the data in the XML file but it's
> used at run time when communicating with a dive computer.
>
>> Moreover some of divecomputer tags have a date and time params.
>
> Depending on how long you have been using Subsurface, you may even have
> dives with empty <divecomputer> tags with no data included - that's from
> really early versions were we didn't store some of the data we store
> today.
>
> The divecomputer only has a date / time if it is different from the dive
> itself. Similarly it may have a duration entry or not.
>
> static void save_dc(struct membuffer *b, struct dive *dive, struct divecomputer *dc)
> {
>         put_format(b, "  <divecomputer");
>         show_utf8(b, dc->model, " model='", "'", 1);
>         if (dc->deviceid)
>                 put_format(b, " deviceid='%08x'", dc->deviceid);
>         if (dc->diveid)
>                 put_format(b, " diveid='%08x'", dc->diveid);
>         if (dc->when && dc->when != dive->when)
>                 show_date(b, dc->when);
>         if (dc->duration.seconds && dc->duration.seconds != dive->dc.duration.seconds)
>                 put_duration(b, dc->duration, " duration='", " min'");
>
> Here you can see how we write out the data if and only if they are
> different from the corresponding data in the dive.
>

Thank you Dirk,

Last question is about the UUID. Did it change across different builds?
I understood that it should be created always the same for the same dive site.


-- 
Davide
https://vimeo.com/bocio/videos