#
# Copyright (C) 2006 Red Hat, Inc.
# Copyright (C) 2006 Daniel P. Berrange <berrange@redhat.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 virtManager import util
import ipaddr
import libxml2
from virtManager.libvirtobject import vmmLibvirtObject
class vmmNetwork(vmmLibvirtObject):
@staticmethod
def pretty_desc(forward, forwardDev):
if forward or forwardDev:
if not forward or forward == "nat":
if forwardDev:
desc = _("NAT to %s") % forwardDev
else:
desc = _("NAT")
elif forward == "route":
if forwardDev:
desc = _("Route to %s") % forwardDev
else:
desc = _("Routed network")
else:
if forwardDev:
desc = "%s to %s" % (forward, forwardDev)
else:
desc = "%s network" % forward.capitalize()
else:
desc = _("Isolated network, internal and host routing only")
return desc
def __init__(self, conn, net, uuid, active):
vmmLibvirtObject.__init__(self, conn)
self.net = net
self.uuid = uuid
self.active = active
# Required class methods
def get_name(self):
return self.net.name()
def _XMLDesc(self, flags):
return self.net.XMLDesc(flags)
def _define(self, xml):
return self.conn.vmm.networkDefineXML(xml)
def set_active(self, state):
self.active = state
def is_active(self):
return self.active
def get_label(self):
return self.get_name()
def get_uuid(self):
return self.uuid
def get_bridge_device(self):
try:
return self.net.bridgeName()
except:
return ""
def start(self):
self.net.create()
def stop(self):
self.net.destroy()
def delete(self):
self.net.undefine()
del(self.net)
self.net = None
def set_autostart(self, value):
self.net.setAutostart(value)
def get_autostart(self):
return self.net.autostart()
def get_ipv4_network(self):
doc = None
ret = None
goodNode = None
dhcpstart = None
dhcpend = None
routeAddr = None
routeVia = None
xml = self.get_xml()
doc = libxml2.parseDoc(xml)
nodes = doc.xpathEval('//ip')
for node in nodes:
family = node.xpathEval('string(./@family)')
if not family or family == 'ipv4':
dhcp = node.xpathEval('string(./dhcp)')
if dhcp:
dhcpstart = node.xpathEval('string(./dhcp/range[1]/@start)')
dhcpend = node.xpathEval('string(./dhcp/range[1]/@end)')
goodNode = node
break
for node in nodes:
family = node.xpathEval('string(./@family)')
if not family or family == 'ipv4':
routeVia = node.xpathEval('string(./@via)')
if routeVia:
routeAddr = node.xpathEval('string(./@address)')
break
if goodNode is None:
for node in nodes:
family = node.xpathEval('string(./@family)')
if not family or family == 'ipv4':
tmp = node.xpathEval('string(./@via)')
if tmp:
continue
goodNode = node
break
if goodNode:
addrStr = goodNode.xpathEval('string(./@address)')
netmaskStr = goodNode.xpathEval('string(./@netmask)')
prefix = goodNode.xpathEval('string(./@prefix)')
if prefix:
prefix = int(prefix)
ret = str(ipaddr.IPNetwork(str(addrStr) + "/" + str(prefix)).masked())
elif netmaskStr:
netmask = ipaddr.IPAddress(netmaskStr)
network = ipaddr.IPAddress(addrStr)
ret = str(ipaddr.IPNetwork(str(network) + "/" + str(netmask)).masked())
else:
ret = str(ipaddr.IPNetwork(str(addrStr)))
if doc:
doc.freeDoc()
if dhcpstart and dhcpend:
dhcp = [str(ipaddr.IPAddress(dhcpstart)), str(ipaddr.IPAddress(dhcpend))]
else:
dhcp = None
if routeAddr and routeVia:
route = [str(ipaddr.IPAddress(routeAddr)), str(ipaddr.IPAddress(routeVia))]
else:
route = None
return [ret, dhcp, route]
def get_ipv6_network(self):
doc = None
ret = None
goodNode = None
dhcpstart = None
dhcpend = None
routeAddr = None
routeVia = None
xml = self.get_xml()
doc = libxml2.parseDoc(xml)
nodes = doc.xpathEval('//ip')
for node in nodes:
family = node.xpathEval('string(./@family)')
if family and family == 'ipv6':
dhcp = node.xpathEval('string(./dhcp)')
if dhcp:
dhcpstart = node.xpathEval('string(./dhcp/range[1]/@start)')
dhcpend = node.xpathEval('string(./dhcp/range[1]/@end)')
goodNode = node
break
for node in nodes:
family = node.xpathEval('string(./@family)')
if family and family == 'ipv6':
routeVia = node.xpathEval('string(./@via)')
if routeVia:
routeAddr = node.xpathEval('string(./@address)')
break
if goodNode is None:
for node in nodes:
family = node.xpathEval('string(./@family)')
if family and family == 'ipv6':
tmp = node.xpathEval('string(./@via)')
if tmp:
continue
goodNode = node
break
if goodNode:
addrStr = goodNode.xpathEval('string(./@address)')
prefix = goodNode.xpathEval('string(./@prefix)')
if prefix:
prefix = int(prefix)
ret = str(ipaddr.IPNetwork(str(addrStr) + "/" + str(prefix)).masked())
else:
ret = str(ipaddr.IPNetwork(str(addrStr)))
if doc:
doc.freeDoc()
if dhcpstart and dhcpend:
dhcp = [str(ipaddr.IPAddress(dhcpstart)), str(ipaddr.IPAddress(dhcpend))]
else:
dhcp = None
if routeAddr and routeVia:
route = [str(ipaddr.IPAddress(routeAddr)), str(ipaddr.IPAddress(routeVia))]
else:
route = None
return [ret, dhcp, route]
def get_name_domain(self):
xml = self.get_xml()
name_domain = util.xpath(xml, "/network/domain/@name")
return name_domain
def get_ipv6_route(self):
xml = self.get_xml()
ipv6_route = util.xpath(xml, "/network/@ipv6")
return ipv6_route
def get_ipv4_forward(self):
xml = self.get_xml()
fw = util.xpath(xml, "/network/forward/@mode")
forwardDev = util.xpath(xml, "/network/forward/@dev")
return [fw, forwardDev]
def pretty_forward_mode(self):
forward, forwardDev = self.get_ipv4_forward()
return vmmNetwork.pretty_desc(forward, forwardDev)
def can_pxe(self):
xml = self.get_xml()
forward = self.get_ipv4_forward()[0]
if forward and forward != "nat":
return True
return bool(util.xpath(xml, "/network/ip/dhcp/bootp/@file"))