From: Marcel Holtmann <marcel@holtmann.org>
To: Carlos AM <Carlos@naxus.biz>
Cc: BlueZ Mailing List <bluez-devel@lists.sourceforge.net>
Subject: Re: [Bluez-devel] modify RFCOMM_DISC_TIMEOUT
Date: Fri, 23 Jul 2004 11:39:14 +0200 [thread overview]
Message-ID: <1090575554.4791.5.camel@pegasus> (raw)
In-Reply-To: <003b01c47095$488aa3e0$5000005a@naxus>
Hi Carlos,
> I run a rfcomm server built on top of bluez using sockets, the client runs a
> different bluetooth protocol implementation that is very buggy and sometimes
> stops the rfcomm comunication without sending a DISC. So the rfcomm server
> waits for 20 seconds (RFCOMM_DISC_TIMEOUT) and then closes the connections
> and become available again. The sending loop of the server is:
>
> //using sockets
> //send until write returns -1
> while(n>=0)
> {
> n=write(client,s,strlen(s));
> sleep(1);
> }
> //go to listen again
>
>
> If the client simply stops the communication, not disconnect, the server
> must be available as soon as possible. 20 seconds it's too long for our
> application.
what you want is an idle timeout detection. The RFCOMM_DISC_TIMEOUT is
not meant for doing this. Show us the output of "hcidump -x -t" while
this happens.
Regards
Marcel
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next prev parent reply other threads:[~2004-07-23 9:39 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-22 14:19 [Bluez-devel] modify RFCOMM_DISC_TIMEOUT Carlos AM
2004-07-22 17:32 ` Marcel Holtmann
[not found] ` <003b01c47095$488aa3e0$5000005a@naxus>
2004-07-23 9:39 ` Marcel Holtmann [this message]
-- strict thread matches above, loose matches on Subject: below --
2004-07-28 12:12 Carlos AM
2004-07-28 12:22 ` Marcel Holtmann
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