Re: [Bluez-devel] SDP services cannot be unregistered

[Marcel Holtmann <marcel@holtmann.org>]

Hi Hendrik,

> > first of all you are using the unregister function wrongly. You have to
> > give it the exact record structure you gave the register function. So
> > when you allocate a new record, then the unregister has no idea what to
> > do with it.
> 
> bt_sdp_obexpush() does create a new record structure but with the  
> exact same parameters (actually no variable parameters at all). The  
> resulting records should fully match, at least I assume that. The  
> record ID is then stored in the session_t value, I assume.
> Or are pointer addresses matched, too?

doesn't work like that. The magic is the record->handle and nothing
else. However that might change. So the safest way is to have a static
variable for the record that stores it for the lifetime of the daemon.

> > Why it doesn't cleanup after program termination is unclear to me. That
> > should actually work. You might wanna investigate on that one.
> 
> Before this came up, I did not unregister or close at all and  
> everything was fine when the program was killed (SDP record was gone).
> Can you give me a hint where this is actually processed, bluez-libs or  
> bluez-utils?

It is processed in bluez-utils/sdpd/, but be aware of that this code is
really tricky. I am about to actually remove it at some point. Not sure
when and how though.

Regards

Marcel



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