[Dev] [PATCH 0/4] [RFC v1] gdbus: Preliminary kdbus-support patches

Karol Lewandowski k.lewandowsk at samsung.com
Tue Dec 17 07:25:37 GMT 2013


Ryan, GLib devs,

We would be very glad to hear your comments about this.

On 11/21/2013 12:33 PM, Karol Lewandowski wrote:
> [ Cced systemd-devel@ and dev at tizen mailing lists in case someone
>   there would be interested too. ]
> 
> Folks,
> 
> We have recently started experimenting with possibilities of
> adding kdbus-support to glib's gio.  Following patchset is
> result of our work.
> 
> Please note this is cleanup of modifications available from
> Tizen repositories (please see notes for details), rebased on
> top of glib's master branch - 6f7d8f6294 ("gbacktrace: Print
> out gdb exec errors correctly").
> 
> 
> What we would like to accomplish by this RFC is to gather 
> feedback if our approach for glib modifications is sound
> for you (we do not know glib code that well).
> 
> 
> In short:
> 
>  - This patchset adds ability for glib programs to connect
>    to kdbus busses via
> 
>      DBUS_SESSION_BUS_ADDRESS=(kernel|kdbus):/dev/kdbus/0-kdbus/bus 
> 
>  - Library modifications are not all, it's required to have
>    service handling org.freedesktop.DBus requests in userspace.
> 
>    Currently we use modified[3] dbus-daemon to for that
>    purpose.
> 
>  - Basic functionality works - sending/receiving messages,
>    signals, name registration, etc.
> 
>  - Last patch contains basic tests accompanied with README,
>    please take a look there too.
> 
> 
> We will be happy to hear any and all of your comments.
> 
> Thanks!
> 
> 
> Notes:
> ======
> 
> This code originates from Tizen[1], and was imported[2] by
> Ryan Lortie into glib's tizen/kdbus-dev branch.
> 
>   [1] https://review.tizen.org/gerrit/gitweb?p=platform%2Fupstream%2Fglib.git;a=summary
>       
>       git://review.tizen.org/platform/upstream/glib kdbus-dev
> 
>   [2] https://git.gnome.org/browse/glib/log/?h=tizen/kdbus-dev
> 
> We are the same people that did that work, precisely Lukasz Skalski
> and Michal Eljasiewicz wrote all the code, I just gave it finishing
> touches.
> 
> We think this patchset could replace glibs tizen/kdbus-dev iff you
> think that it's worth to keep kdbus support code in main repo at
> all. ;)   (At this point in time, that is!)
> 
> Moreover, we would be more than happy to work directly on that
> branch, if you find it feasible.
> 
> 
> kdbus-enabled dbus-daemon is available here:
> 
>   [3]  git://review.tizen.org/platform/upstream/dbus kdbus-dev
> 
> We are aware that in future it will be probably systemd role
> to provide it (I've seen that Daniel Mack is already working
> on it).
> 
> 
> Karol Lewandowski (4):
>   gdbus: Import kdbus interface header
>   gdbus: Add preliminary implementation of kdbus support
>   gdbus: Integrate kdbus into GDBus core
>   gdbus: Add basic kdbus tests
> 
>  configure.ac                                      |   11 +
>  gio/Makefile.am                                   |    4 +
>  gio/gdbusaddress.c                                |   80 +-
>  gio/gdbusconnection.c                             |   20 +-
>  gio/gdbusprivate.c                                |  211 +++-
>  gio/gdbusprivate.h                                |    8 +-
>  gio/giotypes.h                                    |   33 +
>  gio/gkdbus.c                                      | 1112 +++++++++++++++++++++
>  gio/gkdbus.h                                      |  113 +++
>  gio/gkdbusconnection.c                            |  196 ++++
>  gio/gkdbusconnection.h                            |   91 ++
>  gio/kdbus.h                                       |  436 ++++++++
>  gio/tests/Makefile.am                             |   13 +
>  gio/tests/kdbus-test/README                       |  108 ++
>  gio/tests/kdbus-test/gdbus-example-kdbus-client.c |   51 +
>  gio/tests/kdbus-test/gdbus-example-kdbus-server.c |  117 +++
>  16 files changed, 2572 insertions(+), 32 deletions(-)
>  create mode 100644 gio/gkdbus.c
>  create mode 100644 gio/gkdbus.h
>  create mode 100644 gio/gkdbusconnection.c
>  create mode 100644 gio/gkdbusconnection.h
>  create mode 100644 gio/kdbus.h
>  create mode 100644 gio/tests/kdbus-test/README
>  create mode 100644 gio/tests/kdbus-test/gdbus-example-kdbus-client.c
>  create mode 100644 gio/tests/kdbus-test/gdbus-example-kdbus-server.c
> 



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