From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ development <bluez-devel@lists.sourceforge.net>
In-Reply-To: <462F8FCE.3090102@idlum.be>
References: <462F8FCE.3090102@idlum.be>
Date: Wed, 25 Apr 2007 21:07:46 +0200
Message-Id: <1177528066.14980.21.camel@aeonflux.holtmann.net>
Mime-Version: 1.0
Subject: Re: [Bluez-devel] Extremely slow SDP extraction from phone
Reply-To: BlueZ development <bluez-devel@lists.sourceforge.net>
Content-Type: text/plain; charset="us-ascii"
Sender: bluez-devel-bounces@lists.sourceforge.net
Errors-To: bluez-devel-bounces@lists.sourceforge.net

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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