On Wed, Jun 15, 2011, Hendrik Sattler wrote: > Hi Johan, > > Zitat von Johan Hedberg <johan.hedb...@gmail.com>: > >On Wed, Jun 15, 2011, Johan Hedberg wrote: > >>On Wed, Jun 15, 2011, Hendrik Sattler wrote: > >>> @Johan: Looking at [1], what are the reasons that osso-gwobex is > >>> using FdOBEX instead of BtOBEX? > >> > >>libopenobex is intended to be LGPL, but linking it with libbluetooth > >>makes it effectively GPL. Because of this Maemo has never shipped a > >>libopenobex with the Bluetooth specific parts compiled in and neither > >>does MeeGo (AFAIK; I haven't actually verified this). > >> > >>Additionally, handling Bluetooth sockets within the application and > >>passing them to FdOBEX is quite simple, and we even have GLib wrappers > >>like BtIO which make using FdOBEX much more consistent with the rest of > >>the BlueZ & obexd code bases than BtOBEX would ever do. > > > >One more very important reason: BtOBEX uses blocking sockets. This is a > >complete no-no for single-threaded processes with an asynchronous > >mainloop like bluetoothd or obexd. > > It might surprise you but using non-blocking sockets with openobex > only helps when reading data, the code using a busy-loop for writing > full packets in this case! That might not be what you want. > This is caused by deficiencies in the openobex state machine. Needs > to be addressed at some time... > > BTW: you can make the BtOBEX socket non-blocking at the right > moment, the openobex library (at least latest version) can handle > that just fine.
I wasn't actually so much concerned with read/write as with the blocking connect() system call. I don't see any support for a non-blocking connect in openobex. Johan ------------------------------------------------------------------------------ EditLive Enterprise is the world's most technically advanced content authoring tool. Experience the power of Track Changes, Inline Image Editing and ensure content is compliant with Accessibility Checking. http://p.sf.net/sfu/ephox-dev2dev _______________________________________________ Openobex-users mailing list Openobex-users@lists.sourceforge.net http://lists.sourceforge.net/lists/listinfo/openobex-users
