Re: [PATCH spice-streaming-agent 1/1] rename the virtio port to com.redhat.spice.stream.0

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> On 23 Mar 2018, at 13:52, Lukáš Hrázký <lhrazky@xxxxxxxxxx> wrote:
> 
> On Fri, 2018-03-23 at 13:41 +0100, Christophe de Dinechin wrote:
>>> On 23 Mar 2018, at 13:36, Lukáš Hrázký <lhrazky@xxxxxxxxxx> wrote:
>>> 
>>> On Fri, 2018-03-23 at 12:00 +0100, Christophe de Dinechin wrote:
>>>>> On 22 Mar 2018, at 14:13, Lukáš Hrázký <lhrazky@xxxxxxxxxx> wrote:
>>>>> 
>>>>> The name "com.redhat.stream.0" is too generic and in no way denotes it
>>>>> belongs to SPICE.
>>>> 
>>>> This also would need to be sync’d with libvirt and virt-manager, no? I’ve not checked how Boxes does it.
>>>> 
>>>>   <channel type='unix'>
>>>>     <target type='virtio' name='org.qemu.guest_agent.0'/>
>>>>     <address type='virtio-serial' controller='0' bus='0' port='1'/>
>>>>   </channel>
>>>>   <channel type='spicevmc'>
>>>>     <target type='virtio' name='com.redhat.spice.0'/>
>>>>     <address type='virtio-serial' controller='0' bus='0' port='2'/>
>>>>   </channel>
>>>>   <channel type='spiceport'>
>>>>     <source channel='com.redhat.stream.0'/>
>>>>     <target type='virtio' name='com.redhat.stream.0'/>
>>>>     <address type='virtio-serial' controller='0' bus='0' port='3'/>
>>>>   </channel>
>>> 
>>> Where is this XML excerpt coming from?
>> 
>> virsh edit <machine-name>
> 
> Ok, and you've put the "com.redhat.stream.0" yourself, I think?

Well, that’s a choice that virt-manager provides by default in the selection menu. I could have changed it (only at creation time as I mentioned), but the defaults are provided by libvirt or virt-manager (not sure, I’ve not looked into it).


> If not,
> I've missed something somewhere, but I would guess it has to be in
> libvirt and I haven't found it there.
> 
> I suppose we'll want to add it to libvirt eventually, and better sort
> out the name for it before we do :)

Yes. Daniel might help us following the correct procedure there, and maybe provide naming guidelines too.

> 
>>> I've grepped the libvirt repo,
>>> found "com.redhat.spice.0" in there, but not "com.redhat.stream.0", so
>>> I assumed it was not added in there yet. AFAIK as of now we add this
>>> channel manually to the XML when setting up a VM.
>>> 
>>>> Channel names are not exactly consistent, at least you are going in the right direction ;-)
>>>> 
>>>> BTW, just discovered that you can add an arbitrary name when creating a channel, but I’ve not found a GUI way to change it once it’s been created.
>>> 
>>> I think I've edited this always in the XML (the few times I've done it
>>> when setting up my test VM).
>>> 
>>> Cheers,
>>> Lukas
>>> 
>>>>> 
>>>>> Signed-off-by: Lukáš Hrázký <lhrazky@xxxxxxxxxx>
>>>>> ---
>>>>> It would be better to name it something like "org.spice-space.stream.0"
>>>>> but alas, we already have 'com.redhat.spice.0" and can hardly change
>>>>> that.
>>>>> 
>>>>> Though we do also seem to have "org.spice-space.webdav.0"...
>>>>> 
>>>>> The server will need an update too, I'll do it if this gets acked.
>>>>> 
>>>>> README                              | 12 ++++++------
>>>>> data/90-spice-guest-streaming.rules |  2 +-
>>>>> src/spice-streaming-agent.cpp       |  2 +-
>>>>> 3 files changed, 8 insertions(+), 8 deletions(-)
>>>>> 
>>>>> diff --git a/README b/README
>>>>> index 7e9a3c7..0d85916 100644
>>>>> --- a/README
>>>>> +++ b/README
>>>>> @@ -13,7 +13,7 @@ Virtual Machine Configuration
>>>>> =============================
>>>>> 
>>>>> In order to set up streaming, qemu needs to expose a
>>>>> -`com.redhat.stream.0` virtio port, associated with a
>>>>> +`com.redhat.spice.stream.0` virtio port, associated with a
>>>>> corresponding Spice port.
>>>>> 
>>>>> Using virt-manager
>>>>> @@ -21,8 +21,8 @@ Using virt-manager
>>>>> 
>>>>> In the hardware details, click on "Add Hardware", then select
>>>>> "Channel". Add a "Spice port" device type with the
>>>>> -"com.redhat.stream.0" name. You also need to set "Channel" to
>>>>> -"com.redhat.stream.0"
>>>>> +"com.redhat.spice.stream.0" name. You also need to set "Channel" to
>>>>> +"com.redhat.spice.stream.0"
>>>>> 
>>>>> 
>>>>> Using libvirt
>>>>> @@ -31,8 +31,8 @@ Using libvirt
>>>>> [source,xml]
>>>>> <devices>
>>>>>   <channel type='spiceport'>
>>>>> -        <source channel='com.redhat.stream.0'/>
>>>>> -        <target type='virtio' name='com.redhat.stream.0'/>
>>>>> +        <source channel='com.redhat.spice.stream.0'/>
>>>>> +        <target type='virtio' name='com.redhat.spice.stream.0'/>
>>>>>   </channel>
>>>>> </devices>
>>>>> 
>>>>> @@ -40,4 +40,4 @@ Using QEMU
>>>>> ----------
>>>>> 
>>>>> [source,sh]
>>>>> --device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel1,id=channel1,name=com.redhat.stream.0 -chardev spiceport,name=com.redhat.stream.0,id=charchannel1
>>>>> +-device virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel1,id=channel1,name=com.redhat.spice.stream.0 -chardev spiceport,name=com.redhat.spice.stream.0,id=charchannel1
>>>>> diff --git a/data/90-spice-guest-streaming.rules b/data/90-spice-guest-streaming.rules
>>>>> index 6cedd5c..5f74bd9 100644
>>>>> --- a/data/90-spice-guest-streaming.rules
>>>>> +++ b/data/90-spice-guest-streaming.rules
>>>>> @@ -1,2 +1,2 @@
>>>>> -ACTION=="add", SUBSYSTEM=="virtio-ports", ENV{DEVLINKS}=="/dev/virtio-ports/com.redhat.stream.0", MODE="0666"
>>>>> +ACTION=="add", SUBSYSTEM=="virtio-ports", ENV{DEVLINKS}=="/dev/virtio-ports/com.redhat.spice.stream.0", MODE="0666"
>>>>> 
>>>>> diff --git a/src/spice-streaming-agent.cpp b/src/spice-streaming-agent.cpp
>>>>> index b39782c..eb469c8 100644
>>>>> --- a/src/spice-streaming-agent.cpp
>>>>> +++ b/src/spice-streaming-agent.cpp
>>>>> @@ -480,7 +480,7 @@ done:
>>>>> 
>>>>> int main(int argc, char* argv[])
>>>>> {
>>>>> -    const char *streamport = "/dev/virtio-ports/com.redhat.stream.0";
>>>>> +    const char *streamport = "/dev/virtio-ports/com.redhat.spice.stream.0";
>>>>>   int opt;
>>>>>   const char *log_filename = NULL;
>>>>>   int logmask = LOG_UPTO(LOG_WARNING);
>>>>> -- 
>>>>> 2.16.2
>>>>> 
>>>>> _______________________________________________
>>>>> Spice-devel mailing list
>>>>> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
>>>>> https://lists.freedesktop.org/mailman/listinfo/spice-devel
>>>> 
>>>> 
>>> 
>>> _______________________________________________
>>> Spice-devel mailing list
>>> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
>>> https://lists.freedesktop.org/mailman/listinfo/spice-devel
>> 
>> 
> _______________________________________________
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> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/spice-devel

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