Re: [Bluez-devel] Extremely slow SDP extraction from phone

[Marcel Holtmann <marcel@holtmann.org>]

Hi Pierre-Yves,

> I'm using BlueZ 3.9 and the DBus API from a custom application to 
> extract the SDP records from a phone. To achieve this, I first perform a 
> call to
> 
> array{uint32} GetRemoteServiceHandles(string address, string match)
> 
> with an empty "match" string. It does connect to Public Browse Group,
> and returns handles for all the ServiceRecords. I then perform a call
> 
> array{byte} GetRemoteServiceRecord(string address, uint32 handle)
> 
> for each of these handles, and I get all the data in binary form, and I 
>   deal with them myself in this form.
> 
> Problem is that I sometimes encounter very long delays to extract a 
> record using its handle.

we should implement a disconnect timeout for the SDP session. It makes
sense to keep the SDP session open for subsequent SDP request. However
this hasn't been implemented right now.

Regards

Marcel



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