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From: "Steffen Larsen" <zool@zool.dk>
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Subject: Re: [Bluez-devel] piconet..
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Date: Sat, 11 Dec 2004 12:00:43 +0100

Hi Marcel,

> Hi Steffen,
> 
> > I am trying to form a piconet, consisting of one server and two
> > clients. I have snaped the most of the code from l2test.c and also
> > made an advertising service and all. My problem is just that one one
> > client can connect and the other one fails (host is down, i belive) .
> > I have implemented the server using fork(), so that the parent process
> > is still listening for new connections and closing my sockets correct
> > (as what I can see..).
> > I have browsed this newsgroup for answers, and can see something about
> > setting the master/slave switch should help. I have also tried this,
> > but it dosn't help. Anyone that have a clue about, what could be
> > wrong?? 
> 
> show us the output of "hciconfig -a" for your devices.

ok.. I will do this later today. :-)
  
> > PS. I belive that the PSM in the L2CAP layer can serve more than one
> > client or am I totally wrong? otherwise I should update the PSM
> > everytime a new client connect..
> 
> It can also serve multiple PSM on the same ACL link.

Ok.. how do I do that?

Currently I am setting the PSM on my socket like this:

<code snip>
loc_addr.l2_family = AF_BLUETOOTH;

bacpy(&loc_addr.l2_bdaddr, local_bdaddr);

loc_addr.l2_psm = htobs(psm);


if (bind(sk, (struct sockaddr *) &loc_addr, sizeof(loc_addr)) < 0) {

printf("could not bind socket: %i\n", sk);

syslog(LOG_ERR, "Can't bind socket. %s(%d)", strerror(errno), errno);

exit(1);

}

</code snip>


/Steffen Larsen


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