#!/usr/bin/python2
#
# The Qubes OS Project, http://www.qubes-os.org
#
# Copyright (C) 2010  Joanna Rutkowska <joanna@invisiblethingslab.com>
# Copyright (C) 2013  Marek Marczykowski <marmarek@invisiblethingslab.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
#
#

from qubes.qubes import QubesNetVm,register_qubes_vm_class,xl_ctx,xc
from qubes.qubes import defaults
from qubes.qubes import QubesException,dry_run

class QubesDom0NetVm(QubesNetVm):
    def __init__(self, **kwargs):
        super(QubesDom0NetVm, self).__init__(qid=0, name="dom0", netid=0,
                                             dir_path=None,
                                             private_img = None,
                                             template = None,
                                             label = defaults["template_label"],
                                             **kwargs)
        self.xid = 0

    def is_running(self):
        return True

    def get_xid(self):
        return 0

    def get_power_state(self):
        return "Running"

    def get_disk_usage(self, file_or_dir):
        return 0

    def get_disk_utilization(self):
        return 0

    def get_disk_utilization_private_img(self):
        return 0

    def get_private_img_sz(self):
        return 0

    @property
    def ip(self):
        return "10.137.0.2"

    def start(self, **kwargs):
        raise QubesException ("Cannot start Dom0 fake domain!")

    def get_xl_dominfo(self):
        if dry_run:
            return

        domains = xl_ctx.list_domains()
        for dominfo in domains:
            if dominfo.domid == 0:
                return dominfo
        return None

    def get_xc_dominfo(self):
        if dry_run:
            return

        domains = xc.domain_getinfo(0, 1)
        return domains[0]

    def create_xml_element(self):
        return None

    def verify_files(self):
        return True

register_qubes_vm_class(QubesDom0NetVm)