[Bluez-devel] bluetooth filesystem integration

[Bluez-devel] bluetooth filesystem integration

[Collin R. Mulliner]

Hi All,

Marcel and I have decided to include btfs into the bluez-utils. Btfs is
for integrating some kind of bluetooth services into the filesystem, so
you could mount an obexftp "share" into your local filesytem. The whole
idea is based on some work I did some time ago
(http://mulliner.org/bluetooth/btfs.php). The system will be based on
FUSE (Filesystem in Userspace).

So this post is basically to anounce btfs and to gether some ideas on
what you guys think is need and useful.

... Collin

--
Collin R. Mulliner <collin@betaversion.net>
BETAVERSiON Systems [www.betaversion.net]
info/pgp: finger collin@betaversion.net
If we aren't supposed to eat animals, why are they made of meat?



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Re: [Bluez-devel] bluetooth filesystem integration

[Marcel Holtmann]

Hi Collin,

> Marcel and I have decided to include btfs into the bluez-utils. Btfs is
> for integrating some kind of bluetooth services into the filesystem, so
> you could mount an obexftp "share" into your local filesytem. The whole
> idea is based on some work I did some time ago
> (http://mulliner.org/bluetooth/btfs.php). The system will be based on
> FUSE (Filesystem in Userspace).
> 
> So this post is basically to anounce btfs and to gether some ideas on
> what you guys think is need and useful.

please also post ideas on the directory layout. How we handle multiple
local devices and the remote devices.

Regards

Marcel




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Re: [Bluez-devel] bluetooth filesystem integration

[Charles Bueche]

On mar, 2005-09-27 at 16:52 -0700, Collin R. Mulliner wrote:
> Hi All,
> 
> Marcel and I have decided to include btfs into the bluez-utils. Btfs is
> for integrating some kind of bluetooth services into the filesystem, so
> you could mount an obexftp "share" into your local filesytem. The whole
> idea is based on some work I did some time ago
> (http://mulliner.org/bluetooth/btfs.php). The system will be based on
> FUSE (Filesystem in Userspace).
> 
> So this post is basically to anounce btfs and to gether some ideas on
> what you guys think is need and useful.

That will be great, eg to automatically rsync new pictures taken from my
phone to a local dir. I know there is a kbluetoothd plugin, but
rsync/btfs seems much more "UNIX-like" to me.

What would be great is to see phone contacts as virtual VCard files (one
file per contact). Not sure if it is possible, but you asked for
ideas :-)

Seeing my Palm T5 agenda as iCal file would be the top... OK, I stop
dreaming :-/

thanks anyway for you great work.

Charles
-- 
Charles Bueche <charles@bueche.ch>
sand, snow, wave, wind and net -surfer



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Re: [Bluez-devel] bluetooth filesystem integration

[Marcel Holtmann]

Hi Charles,

> > So this post is basically to anounce btfs and to gether some ideas on
> > what you guys think is need and useful.
> 
> That will be great, eg to automatically rsync new pictures taken from my
> phone to a local dir. I know there is a kbluetoothd plugin, but
> rsync/btfs seems much more "UNIX-like" to me.
> 
> What would be great is to see phone contacts as virtual VCard files (one
> file per contact). Not sure if it is possible, but you asked for
> ideas :-)
> 
> Seeing my Palm T5 agenda as iCal file would be the top... OK, I stop
> dreaming :-/

do you have any thoughts how the directory structure of this filesystem
should look like. Let's discuss how we design it.

Regards

Marcel




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Re: [Bluez-devel] bluetooth filesystem integration

[Charles Bueche]

On mer, 2005-09-28 at 11:32 +0200, Marcel Holtmann wrote:
> Hi Charles,
> 
> > > So this post is basically to anounce btfs and to gether some ideas on
> > > what you guys think is need and useful.
> > 
> > That will be great, eg to automatically rsync new pictures taken from my
> > phone to a local dir. I know there is a kbluetoothd plugin, but
> > rsync/btfs seems much more "UNIX-like" to me.
> > 
> > What would be great is to see phone contacts as virtual VCard files (one
> > file per contact). Not sure if it is possible, but you asked for
> > ideas :-)
> > 
> > Seeing my Palm T5 agenda as iCal file would be the top... OK, I stop
> > dreaming :-/
> 
> do you have any thoughts how the directory structure of this filesystem
> should look like. Let's discuss how we design it.

not sure if my ideas make sense, as I don't know the internal of
bluez/btfs/devices. My view is from a user's point.

- first level : device name

- second level : the device's applications. Examples :
   - contacts
   - agenda
   - pictures
   - sd_card_1
   - etc

- third level : the files
   - read & write records from/to contact list
   - read & write events from/to calendar
   - read & write events from/to to-do
   - read pictures out of a camera/phone
   - read & write files to the "storage area" (eg mp3 to a SD card in a
Palm)

I don't know if it's deep enough, it's just a first thought.

some more ideas :

- attributes of files should make sense. Examples :
   - for events, they could reflect the event date instead of the event
creation date
   - for a mp3 file, they could be derived from the tag
   - for a contact, should be name_givenname.vcf (or configurable as
givenname_name.vcf for those reversed people :-)

Charles
-- 
Charles Bueche <charles@bueche.ch>
sand, snow, wave, wind and net -surfer



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Re: [Bluez-devel] bluetooth filesystem integration

[Bastien Nocera]

On Wed, 2005-09-28 at 13:19 +0200, Charles Bueche wrote:
> On mer, 2005-09-28 at 11:32 +0200, Marcel Holtmann wrote:
> > Hi Charles,
> > 
> > > > So this post is basically to anounce btfs and to gether some ideas on
> > > > what you guys think is need and useful.
> > > 
> > > That will be great, eg to automatically rsync new pictures taken from my
> > > phone to a local dir. I know there is a kbluetoothd plugin, but
> > > rsync/btfs seems much more "UNIX-like" to me.
> > > 
> > > What would be great is to see phone contacts as virtual VCard files (one
> > > file per contact). Not sure if it is possible, but you asked for
> > > ideas :-)
> > > 
> > > Seeing my Palm T5 agenda as iCal file would be the top... OK, I stop
> > > dreaming :-/
> > 
> > do you have any thoughts how the directory structure of this filesystem
> > should look like. Let's discuss how we design it.
> 
> not sure if my ideas make sense, as I don't know the internal of
> bluez/btfs/devices. My view is from a user's point.
> 
> - first level : device name
> 
> - second level : the device's applications. Examples :
<snip>

Think of ObexFTP as FTP over Bluetooth. There's no per-application
ObexFTP service...

---
Bastien Nocera <hadess@hadess.net> 
"Manchester United in Brazil? I hope they all get bloody diarrhoea" -
Brian Clough, on Manchester United's decision to opt out of the FA Cup
to play in the World Club Championship in 2000.



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Re: [Bluez-devel] bluetooth filesystem integration

[Dimitry Andric]

[-- Attachment #1: Type: text/plain, Size: 543 bytes --]

On 2005-09-28 at 11:32:10 Marcel Holtmann wrote:

> do you have any thoughts how the directory structure of this filesystem
> should look like. Let's discuss how we design it.

Maybe it's nice to look at how the KDE bluetooth project has
implemented this.  They already overlay some sort of 'virtual'
filesystem on top of Konqueror, which is similar to:

bluetooth root
   device1
     service1
     service2
     ...
   device2
   device3
   ...

etc.  See for instance:

http://kde-bluetooth.sourceforge.net/screenshots/index.html#kioslaves

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Re: [Bluez-devel] bluetooth filesystem integration

[Collin R. Mulliner]

> hink is need and useful.
> 
> please also post ideas on the directory layout. How we handle multiple
> local devices and the remote devices.

so the original filesystem layout was:

/CFG/
/CFG/inquiry_duration
/CFG/cache_time
/CFG/SCAN_NOW

just the config

/OPUSH/
/OPUSH/CollinsPhone
/OPUSH/myPalm

holds names of all devices which publish a OPUSH service record
cp <somefile> /OPUSH/myPalm (would start OPUSH to the device)

/DEVICES/
/DEVICES/00:12:34:56:78
/DEVICES/00:AB:CD:EF:AA
/DEVICES/00:1A:2B:3C:4D

just bd_addrs of all visible devices

I the future I also want to have a directory to represent device and
service classes (e.g. all printers).

And even more information about a device, like feature list or
manufacturer etc.. This should go somewhere like /DEVICES/bd_addr/info


... Collin

--
Collin R. Mulliner <collin@betaversion.net>
BETAVERSiON Systems [www.betaversion.net]
info/pgp: finger collin@betaversion.net
All programmers are optimists --Frederick P. Brooks, Jr.



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Re: [Bluez-devel] bluetooth filesystem integration

[Marcel Holtmann]

Hi Dimitry,

> > do you have any thoughts how the directory structure of this filesystem
> > should look like. Let's discuss how we design it.
> 
> Maybe it's nice to look at how the KDE bluetooth project has
> implemented this.  They already overlay some sort of 'virtual'
> filesystem on top of Konqueror, which is similar to:
> 
> bluetooth root
>    device1
>      service1
>      service2
>      ...
>    device2
>    device3
>    ...
> 
> etc.  See for instance:

the important thing is to thing about multiple local adapters. We have
to deal with it no matter what.

Regards

Marcel




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