mirror of
https://github.com/virt-manager/virt-manager.git
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812899daf8
It is long since deprecated, and the UI has been able to accomodate lack of interface API support for a while.
153 lines
4.1 KiB
Python
153 lines
4.1 KiB
Python
#
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# Copyright (C) 2009 Red Hat, Inc.
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# Copyright (C) 2009 Cole Robinson <crobinso@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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# pylint: disable=E0611
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from gi.repository import GObject
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# pylint: enable=E0611
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import logging
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import time
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import virtinst
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from virtManager.baseclass import vmmGObject
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MEDIA_FLOPPY = "floppy"
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MEDIA_CDROM = "cdrom"
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MEDIA_TIMEOUT = 3
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class vmmMediaDevice(vmmGObject):
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__gsignals__ = {
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"media-added": (GObject.SignalFlags.RUN_FIRST, None, []),
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"media-removed": (GObject.SignalFlags.RUN_FIRST, None, []),
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}
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@staticmethod
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def mediadev_from_nodedev(dev):
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nodedev = dev.get_virtinst_obj()
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if nodedev.device_type != "storage":
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return None
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if nodedev.drive_type not in [MEDIA_CDROM, MEDIA_FLOPPY]:
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return None
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drvtype = nodedev.drive_type
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path = nodedev.block
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key = nodedev.name
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has_media = nodedev.media_available
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media_label = nodedev.media_label
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media_key = None
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obj = vmmMediaDevice(path, key, has_media, media_label, media_key,
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dev, drvtype)
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obj.do_poll = True
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return obj
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def __init__(self, path, key, has_media, media_label, media_key,
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nodedev_obj=None, media_type=MEDIA_CDROM):
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vmmGObject.__init__(self)
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self.path = path
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self.key = key
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self._has_media = has_media
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self.media_label = media_label
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self.media_key = media_key
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self.media_type = media_type
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self.nodedev_obj = nodedev_obj
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self.do_poll = False
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self.last_tick = 0
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def _cleanup(self):
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pass
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def get_path(self):
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return self.path
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def get_key(self):
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return self.key
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def get_media_type(self):
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return self.media_type
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def has_media(self):
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return self._has_media
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def get_media_label(self):
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return self.media_label
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def get_media_key(self):
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return self.media_key
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def set_media(self, has_media, media_label, media_key):
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self._has_media = has_media
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self.media_label = media_label
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self.media_key = media_key
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def clear_media(self):
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self.set_media(None, None, None)
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def pretty_label(self):
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media_label = self.get_media_label()
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has_media = self.has_media()
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if not has_media:
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media_label = _("No media detected")
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elif not media_label:
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media_label = _("Media Unknown")
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return "%s (%s)" % (media_label, self.get_path())
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#########################################
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# Nodedev API polling for media updates #
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#########################################
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def tick(self):
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if not self.nodedev_obj:
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return
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if not self.nodedev_obj.conn.is_active():
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return
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if (time.time() - self.last_tick) < MEDIA_TIMEOUT:
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return
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self.last_tick = time.time()
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try:
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self.nodedev_obj.refresh_xml()
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xml = self.nodedev_obj.get_xml()
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except:
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# Assume the device was removed
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return
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try:
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vobj = virtinst.NodeDeviceParser.parse(xml)
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has_media = vobj.media_available
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except:
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logging.exception("Node device CDROM polling failed")
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return
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if has_media == self.has_media():
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return
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self.set_media(has_media, None, None)
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self.idle_emit(has_media and "media-added" or "media-removed")
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