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Re: [virt-tools-list] [PATCH 3/3] details: Add auto USB redirection support in console viewer



On 06/28/2013 09:13 PM, Leonardo Augusto Guimarães Garcia wrote:
On 06/28/2013 07:51 PM, Guan Nan Ren wrote:

----- Original Message -----
From: "Leonardo Augusto Guimarães Garcia" <lagarcia linux vnet ibm com>
To: "Guannan Ren" <gren redhat com>
Cc: virt-tools-list redhat com
Sent: Friday, June 28, 2013 5:32:20 PM
Subject: Re: [virt-tools-list] [PATCH 3/3] details: Add auto USB redirection support in console viewer

Patch looks good. USB redirection worked for me (almost) as expected
when using latest spice-gtk from git.

What I mean by almost is that when I plugged my USB storage device into
the USB Port, I got an error dialog saying:

Could not open usb device: Access denied (insufficient permissions) [-3]

And if I expand the details on the dialog, I have:

USB redirection error

None

However, the USB storage device was correctly auto-connected to the guest!

Not sure if this error message is due to my test environment (I might
have forgotten to properly install/configure something as I have never
built spice-gtk before). IOW, overall the patch looks good for me. One
minor nit below.

Leonardo

I ran into this permission issue before. Hans gave the answer.
the polkit-devel package is needed for compiling a helper program.
spice-client-glib-usb-acl-helper which can fix my issue.

https://www.redhat.com/archives/virt-tools-list/2013-June/msg00127.html

The error dialog is expected in this case, but the auto-connected is not quite right. I often open virt-manager debug, you can try it, see if anything is userful.
"python virt-manager --debug"

My local testing is the error dialog popup and block the auto-connection.
Yes... actually I was thinking in the past hours about the message sent before by Hans and I just noticed it was a failure in my test. I just rerun my test and when I was going to write to the mailing-list I saw your message. I'll give it a try with polkit-devel installed and will get the results back here.
Ok, with polkit-devel and libacl-devel things are working as expected. Thanks!

Best regards,

Leonardo Garcia

Best regards,

Leonardo Garcia


On 06/29/2013 02:08 AM, Guannan Ren wrote:
Add "Redirect USB device" option in console viewer. Initialize and
embed UsbDeviceWidget object from SpiceClientGtk into a dialog to
let user choose available USB devices for redirection.
Throw an error message if USB connection failed.
Auto-redirection is enable by default.

There is race between creating usbredir channel and calling
has_usb_redirection() when initializing spice session like
happening on virt-viwer. So adding a new signal handler
on_details_menu_virtual_manager_activate() to recheck the
status of usbredir channel, set "Redirect USB device" option
sensitive if it is availiable.
<snip>

       def init_menus(self):
-        # Shutdown button menu
+        # Virtual Machine menu
+ self.widget("details-menu-usb-redirection").set_tooltip_text(
+ _("Redirect USB device attached on host to virtual machine with SPICE graphics. USB Redirection device is required for Virtual Machine to support this functionality. Auto-redirection is enabled by default"))
Can't we set the tooltip in the UI XML file and avoid this extremely
long line in the code? I think it should be easy to do that with glade.

Yeah, when I try to add it into ui/vmm-details.ui, I found, there is no one <tooltip_text> which is so long like this. In details.py there are some of them with same length such as "Security info tooltips". So I just keep it in there.
We need Cole's advise here.

Guannan


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