[Spice-devel] WIP: usbredir rust bindings

[Victor Toso]

Hi,

On Tue, Aug 03, 2021 at 02:46:51PM +0400, Marc-André Lureau wrote:
> Hi
> 
> Just to let you know that I started a usbredir binding to Rust:
> https://gitlab.freedesktop.org/elmarco/usbredir-rs
> 
> Atm, it compiles with a custom rusb. I have some MR there (
> https://github.com/a1ien/rusb/pull/97 &
> https://github.com/a1ien/rusb/pull/101)
> 
> See the example:
> https://gitlab.freedesktop.org/elmarco/usbredir-rs/-/blob/main/usbredirhost/examples/usbredir.rs

Awesome work!

I'm actually in favor of moving usbredir codebase to Rust in the
future as it is not that big ~ 6k lines of code (usbredirhost and
usbredirparser).

> Atm, I pass an open fd with bash for testing, ex:
> exec 3<>/dev/tcp/localhost/7777
> target/debug/examples/usbredir '1050:0407' --fd 3
> 
> Next, it could be extended this with [--tcp host:port], [--unix path],
> [-l|--listen]. Then I suppose it will be close to
> https://gitlab.freedesktop.org/spice/usbredir/-/blob/master/tools/usbredirect.c
> 
> (Note that the Rust code doesn't use poll(), since it isn't portable. See
> https://libusb.sourceforge.io/api-1.0/group__libusb__poll.html#libusb_pollmain.
> The libusb/usbredir APIs don't make it easy to handle events..)

Yes and I think it is fine.

Cheers,
Victor
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