Hi Marcel,

The code for support search for PANU service is attached. The change
is very small
but will help me create a PAN for UPnP application in ad hoc scenario.


Regards,
Claudio.





On Mon, 28 Mar 2005 21:22:20 +0200, Marcel Holtmann <marcel@holtmann.org> wrote:
> Hi Claudio,
> 
> > I will try explain my problem more deeply.
> >
> > Bluetooth Extended Service Discovery Profile (ESDP) for Universal Plug
> > and Play(UPnP)
> > defines how devices with Bluetooth wireless communications can use the
> > Bluetooth
> > Service Discovery Protocol (SDP) initially to discover other devices
> > that support UPnP
> > services and retrieve information about these services.
> > For more details see http://www.bluetooth.org  document: ESDP_for_UPnP_V0.95.pdf
> >
> > According with this profile three approach can be implemented:
> > 1. L2CAP -based Solution: focus on layering UPnP services
> >    over the L2CAP layer of the Bluetooth protocol stack for use by
> >    devices that lack IP support.
> > 2. IP-based Solution using PAN Profile: focus on layering UPnP
> > services over the Bluetooth Personal Area Networking (PAN) Profile.
> > 3. IP-based Solution using LAN Access Profile : focus on layering UPnP
> > services over the Bluetooth Local Area Network (LAN) Access Profile.
> >
> > I choose the SECOND because I have to address ad hoc and NAP scenarios. The 3th
> > option doesn't support multiple connections. The first option is not
> > feasible for me
> > because a UPnP service can be available in a server that belong to a
> > LAN. Therefore,
> > using  L2CAP -based Solution I will not be able to search UPnP service
> > in a device
> > that doesn't belongs directly to the PAN.
> >
> >
> > After select the SECOND approach two scenarios exist:
> > - Ad Hoc scenario
> >   The Control Point* device(role GN) will establish a PAN with PANUs
> > devices(listen enabled), assign IP to the nodes and after search for
> > UPnP services. The Control Point is the active member, it search for other
> > devices and must foward packet to all devices that belongs to the PAN.
> >
> > - NAP scenario
> >   If a NAP(listen enabled) is available, the Control Point(role PANU)
> > will connect to
> > the NAP and search for UPnP service in the LAN
> 
> and I still don't see your problem here. Everything is available for
> doing this.
> 
> > I implemented the search for PANU service and tested. Now, what is the
> > procedure to
> > submit a new patch. I am not sure if this small enhancement can be
> > usefull for the
> > bluez community.
> 
> Create a patch and post it to the bluez-devel mailing list.
> 
> Regards
> 
> Marcel
> 
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