[Bluez-devel] weird behaviour with bluez and obex

[Johan Hedberg <johan.hedberg@nokia.com>]

Hi,

I have been trying to get obex file transfer working with bluez and
openobex by using a local rfcomm device which is bound to the OBEX file
transfer RFCOMM channel of my phone.

The problem I encountered was that the connection was dropped almost
imediately after some bytes were writen to the device. After some
further investigation, it turned out that the connection is always
dropped when more than two bytes are written to the device. This happens
also for OBEX Object Push. Using "rfcomm connect" instead of binding
causes this behaviour also. Other profiles (eg. DUN) do not have
this behaviour.

If I use the bluez socket interface to create the connection everything
works fine (and I guess this is the way most existing BT OBEX
applications work). I also checked with affix (which now also has
binding support) and the problem does not exist there.

The HCI Disconnection Complete event which is generated by the
disconnection has 0x16 (connection terminated by local host) as the
reason parameter, which implies that the problem is not on the phone
side, but in bluez.

Can anyone reproduce this behaviour? Any ideas what's causing it?

I'm using kernel version 2.6.5.

Johan



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