[RFC wayland 00/18] Wayland network transparency :)

[Jason Ekstrand]

On Tue, Feb 9, 2016 at 8:55 AM, Derek Foreman <derekf at osg.samsung.com>
wrote:

> I saw a presentation once where someone said that even the simplest
> implementation of wayland network transparency that just pushed the
> existing protocol over tcp/ip would still be better than X.
>
> Let's test that theory.
> Hint - application startup time is shockingly fast due to wayland's
> excellent protocol design, but my poor damage tracking and lack of
> compression hurts.  Damage tracking is especially bad for anything
> that doesn't use wl_surface.damage_buffer() - so weston-terminal may
> be rough but terminology is much snappier.
>

Kristian came up with a very nifty little image diffing algorithm based on
a rolling hash that's used to provide compression for the screen recorder.
(The actual video recorder, not screenshooter.)  You might want to check
that out.


>
> To try it out (and open a gaping security hole because I've punted on
> kind of authentication), just add:
> wl_display_add_remote_socket(display, "foo");
> to weston right before load_modules in main.  Use at your own risk.
>
> That's a literal "foo" because I haven't bothered defining how that
> name string changes the port.
>
> I've written up a short blog post over here:
> http://blogs.s-osg.org/wow-wayland-over-wire/
>
> (It lists other decisions I haven't bothered to make for this trial
> run.)
>
> For those of you that want to view PDF files over the network, EFL's
> etui viewer comes highly recommended. ;)
>
> Derek Foreman (17):
>   os-compatability: Allow creation of 0 byte anonymous files
>   os: make set_cloexec_or_close private instead of static
>   cursor: use wl_os_set_cloexec_or_close instead of local copy
>   os-compatability: Remove cursor's private os compat stuff entirely
>   client: Check remaining connection buffer status after each
>     queue_event()
>   protocol: Add fd_static type
>   protocol: Use new fd_static type for keymaps
>   os: Add wl_os_resize_file()
>   scanner: Add the concept of "pre hooks"
>   os: Add wl_os_read() and wl_os_write()
>   os: Add a wl_os_socket_reuseaddr
>   connections: Add remote sockets
>   shm: properly resize remote buffers
>   connection: support sending the contents of fds as bulk data
>   connection: Use bulk transfers for fd_static on remote connections
>   protocol: Add a wl_buffer.transmit
>   protocol: Add hooks for network transparency
>
> Giulio Camuffo (1):
>   shm: add getters for the fd and offset
>
>  Makefile.am               |   5 +-
>  cursor/os-compatibility.c | 148 -------------------------
>  cursor/os-compatibility.h |  34 ------
>  cursor/wayland-cursor.c   |  15 +--
>  protocol/wayland.dtd      |   1 +
>  protocol/wayland.xml      |  40 ++++---
>  src/connection.c          | 150 +++++++++++++++++++++++++-
>  src/network-client.c      | 269
> ++++++++++++++++++++++++++++++++++++++++++++++
>  src/scanner.c             | 117 ++++++++++++++++++--
>  src/wayland-client-core.h |  10 ++
>  src/wayland-client.c      | 120 +++++++++++++++++----
>  src/wayland-os.c          | 162 ++++++++++++++++++++++++++--
>  src/wayland-os.h          |  19 ++++
>  src/wayland-private.h     |  13 +++
>  src/wayland-server-core.h |  13 +++
>  src/wayland-server.c      | 146 +++++++++++++++++++------
>  src/wayland-shm.c         |  63 ++++++++++-
>  17 files changed, 1045 insertions(+), 280 deletions(-)
>  delete mode 100644 cursor/os-compatibility.c
>  delete mode 100644 cursor/os-compatibility.h
>  create mode 100644 src/network-client.c
>
> --
> 2.7.0
>
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>
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