147 lines
4.3 KiB
Python
147 lines
4.3 KiB
Python
#
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# Copyright (C) 2006 Red Hat, Inc.
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# Copyright (C) 2006 Daniel P. Berrange <berrange@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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from IPy import IP
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from virtManager import util
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from virtManager.libvirtobject import vmmLibvirtObject
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class vmmNetwork(vmmLibvirtObject):
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@staticmethod
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def pretty_desc(forward, forwardDev):
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if forward or forwardDev:
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if not forward or forward == "nat":
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if forwardDev:
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desc = _("NAT to %s") % forwardDev
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else:
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desc = _("NAT")
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elif forward == "route":
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if forwardDev:
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desc = _("Route to %s") % forwardDev
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else:
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desc = _("Routed network")
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else:
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if forwardDev:
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desc = "%s to %s" % (forward, forwardDev)
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else:
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desc = "%s network" % forward.capitalize()
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else:
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desc = _("Isolated network")
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return desc
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def __init__(self, conn, net, uuid, active):
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vmmLibvirtObject.__init__(self, conn)
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self.net = net
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self.uuid = uuid
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self.active = active
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# Required class methods
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def get_name(self):
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return self.net.name()
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def _XMLDesc(self, flags):
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return self.net.XMLDesc(flags)
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def _define(self, xml):
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return self.conn.vmm.networkDefineXML(xml)
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def set_active(self, state):
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self.active = state
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def is_active(self):
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return self.active
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def get_label(self):
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return self.get_name()
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def get_uuid(self):
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return self.uuid
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def get_bridge_device(self):
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try:
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return self.net.bridgeName()
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except:
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return ""
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def start(self):
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self.net.create()
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def stop(self):
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self.net.destroy()
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def delete(self):
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self.net.undefine()
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del(self.net)
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self.net = None
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def set_autostart(self, value):
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self.net.setAutostart(value)
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def get_autostart(self):
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return self.net.autostart()
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def get_ipv4_network(self):
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xml = self.get_xml()
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if util.xpath(xml, "/network/ip") is None:
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return None
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addrStr = util.xpath(xml, "/network/ip/@address")
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netmaskStr = util.xpath(xml, "/network/ip/@netmask")
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prefix = util.xpath(xml, "/network/ip/@prefix")
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if prefix:
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prefix = int(prefix)
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binstr = ((prefix * "1") + ((32 - prefix) * "0"))
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netmaskStr = str(IP(int(binstr, base=2)))
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if netmaskStr:
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netmask = IP(netmaskStr)
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gateway = IP(addrStr)
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network = IP(gateway.int() & netmask.int())
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ret = IP(str(network) + "/" + netmaskStr)
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else:
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ret = IP(str(addrStr))
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return ret
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def get_ipv4_forward(self):
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xml = self.get_xml()
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fw = util.xpath(xml, "/network/forward/@mode")
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forwardDev = util.xpath(xml, "/network/forward/@dev")
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return [fw, forwardDev]
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def get_ipv4_dhcp_range(self):
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xml = self.get_xml()
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dhcpstart = util.xpath(xml, "/network/ip/dhcp/range[1]/@start")
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dhcpend = util.xpath(xml, "/network/ip/dhcp/range[1]/@end")
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if not dhcpstart or not dhcpend:
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return None
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return [IP(dhcpstart), IP(dhcpend)]
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def pretty_forward_mode(self):
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forward, forwardDev = self.get_ipv4_forward()
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return vmmNetwork.pretty_desc(forward, forwardDev)
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def can_pxe(self):
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xml = self.get_xml()
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forward = self.get_ipv4_forward()[0]
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if forward and forward != "nat":
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return True
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return bool(util.xpath(xml, "/network/ip/dhcp/bootp/@file"))
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