[libvirt] [PATCH 1/2] qemu: Support SPICE listen over unix socket

[Christophe Fergeau]

Hey,

On Tue, Mar 22, 2016 at 09:13:44AM +0100, Pavel Hrdina wrote:
> On Mon, Mar 21, 2016 at 07:30:44PM -0400, Cole Robinson wrote:
> > Add support for SPICE listen over unix socket. This has been in qemu
> > since v2.3. The XML is:
> > 
> >   <spice socket='/path/to/socket'/>
> > 
> > Which matches support for VNC listen over unix socket.
> > 
> > https://bugzilla.redhat.com/show_bug.cgi?id=1151761

> > diff --git a/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-unix.xml b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-unix.xml
> > new file mode 100644
> > index 0000000..6c6be44
> > --- /dev/null
> > +++ b/tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-unix.xml
> > @@ -0,0 +1,27 @@
> > +<domain type='qemu'>
> > +  <name>QEMUGuest1</name>
> > +  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
> > +  <memory unit='KiB'>219136</memory>
> > +  <currentMemory unit='KiB'>219136</currentMemory>
> > +  <vcpu placement='static'>1</vcpu>
> > +  <os>
> > +    <type arch='i686' machine='pc'>hvm</type>
> > +    <boot dev='hd'/>
> > +  </os>
> > +  <clock offset='utc'/>
> > +  <on_poweroff>destroy</on_poweroff>
> > +  <on_reboot>restart</on_reboot>
> > +  <on_crash>destroy</on_crash>
> > +  <devices>
> > +    <emulator>/usr/bin/qemu</emulator>
> > +    <controller type='usb' model='none' index='0'/>
> > +    <controller type='pci' index='0' model='pci-root'/>
> > +    <input type='mouse' bus='ps2'/>
> > +    <input type='keyboard' bus='ps2'/>
> > +    <graphics type='spice' socket='/tmp/spice.socket'/>
> 
> This is an old way to specify listen type.  It would be better to add a new
> <listen type='socket' socket='/tmp/spice.socket'/>.  Actually I'm working on
> this support and I have my patches almost finished but they depends on this
> patch series:
> 
> https://www.redhat.com/archives/libvir-list/2016-March/msg00631.html
> 
> You can see my progress there:
> 
> https://github.com/Antique/libvirt/tree/spice-unix-socket

We briefly discussed about this with Cole on IRC, and what you suggest
is indeed the way forward. His patch is a quick way to get
feature-parity with what VNC does, and we were not aware of your series.

You seem to be adding
<listen type='socket' socket='/tmp/foo.sock'/>

I think <listen type='unix' path='/tmp/foo.sock'/> would be more
consistent with what is done for channels, /interface/source, ...

Christophe
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