From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ development <bluez-devel@lists.sourceforge.net>
In-Reply-To: <4885C0C9.7000308@idlum.be>
References: <4885C0C9.7000308@idlum.be>
Date: Tue, 22 Jul 2008 15:20:34 +0200
Message-Id: <1216732834.31819.31.camel@californication>
Mime-Version: 1.0
Subject: Re: [Bluez-devel] Unexpected error / chronology trying to
	extract	sdp handles
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 running v3.34. I know it's not the latest. But I've observed what I 
> describe below on virtually any previous 3.x version.
> 
> Somewhere in my code, I perform a call to 
> Adapter.GetRemoteServiceHandles(btAddress, match). This call blocks as 
> expected. A few seconds later, I get a RemoteDeviceConnected signal. 
> Great, looking good. But about 30s after the first call, 
> GetRemoteServiceHandles finally returns, by throwing a 
> ConnectionAttemptFailed. The RemoteDeviceDisconnected event arrives at 
> the same time than the expection.
> 
> How can I get I get a ConnectionAttempFailed while I have received a 
> "Connected" signal previously? Is it to be expected? How should such 
> apparent non-sense be dealt with? Or perhaps I'm mislead by the 
> (apparently obvious) "ConnectionAttemptFailed" name?

the SDP connection establishment might fail. This is different from from
any low-level ACL link that you see. Run hcidump -X -V and see what
actually does happen.

Regards

Marcel


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