def _intf_repr(self, ifent):
"""
Return the configuration for a network interface as a dict like interfaces(5).
"""
if not ifent or ifent["type"] not in (dumbnet.INTF_TYPE_LOOPBACK, dumbnet.INTF_TYPE_ETH):
return ifent
ret = {"name": ifent["name"]}
if not ifent.has_key("addr"):
ret["mtu"] = ifent["mtu"]
ret["flags"] = ifent["flags"]
ret["type"] = self.INTF_TYPES[ifent["type"]]
ret["typeid"] = ifent["type"]
if ret["type"] == "eth":
ret["family"] = "inet"
else:
ret["family"] = "unknown"
if ifent.has_key("link_addr"):
ret["hwaddress"] = str(ifent["link_addr"])
return ret
xaddr = ifent["addr"]
if xaddr.addrtype == dumbnet.ADDR_TYPE_IP:
ret["address"] = dumbnet.ip_ntoa(xaddr.ip)
ret["netmask"] = network.format_ipv4(network.bitmask_to_mask_ipv4(xaddr.bits))
ret["broadcast"] = str(xaddr.bcast())
ret["network"] = str(xaddr.net())
ret["mtu"] = ifent["mtu"]
ret["flags"] = ifent["flags"]
ret["type"] = self.INTF_TYPES[ifent["type"]]
ret["typeid"] = ifent["type"]
ret["family"] = "inet"
gw = self._intf_ipv4_gateway(ifent["name"])
if gw:
ret["gateway"] = gw
if ifent.has_key("dst_addr"):
ret["pointopoint"] = str(ifent["dst_addr"])
if ifent.has_key("link_addr"):
ret["hwaddress"] = str(ifent["link_addr"])
elif xaddr.addrtype == dumbnet.ADDR_TYPE_IP6:
ret["address"] = dumbnet.ip6_ntoa(xaddr.ip6)
ret["netmask"] = xaddr.bits
ret["broadcast"] = str(xaddr.bcast())
ret["mtu"] = ifent["mtu"]
ret["flags"] = ifent["flags"]
ret["type"] = self.INTF_TYPES[ifent["type"]]
ret["family"] = "inet6"
if ifent.has_key("link_addr"):
ret["hwaddress"] = str(ifent["link_addr"])
return ret
def set(self, d, name=None):
"""
Set the configuration for an interface from a dict like interfaces(5).
"""
if name is not None:
d['name'] = name
iface = self.get(d['name'])
address = d.get('address', iface['address'])
netmask = d.get('netmask', iface['netmask'])
d['addr'] = dumbnet.addr("%s/%s" % (address, netmask))
newgateway = None
delgateway = None
if d.has_key('gateway'):
if iface['type'] != 'eth' or iface['family'] != 'inet':
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
gwstr = network.format_ipv4(network.parse_ipv4("%s" % d['gateway']))
if iface.get('gateway', None) != gwstr:
newgateway = dumbnet.addr("%s" % d['gateway'])
# If d hasn't gateway but iface has a gateway, remove previous gateway.
elif iface.has_key('gateway'):
if iface['type'] != 'eth' or iface['family'] != 'inet':
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
delgateway = d['addr']
if d.has_key('pointopoint'):
d['dst_addr'] = dumbnet.addr("%s" % d['pointopoint'])
if d.has_key('hwaddress'):
d['link_addr'] = dumbnet.addr("%s" % d['hwaddress'], dumbnet.ADDR_TYPE_ETH)
dumbnet.intf.set(self, d)
# If iface has previously a default gateway
if delgateway:
try:
self.route.delete(self.default_dst_ipv4)
except OSError, e:
# If an error has occurred, rollback
if iface.has_key('gateway'):
del iface['gateway']
self.set(iface)
raise OSError(str(e))
def set(self, d, name=None):
"""
Set the configuration for an interface from a dict like interfaces(5).
"""
if name is not None:
d["name"] = name
iface = self.get(d["name"])
address = d.get("address", iface["address"])
netmask = d.get("netmask", iface["netmask"])
d["addr"] = dumbnet.addr("%s/%s" % (address, netmask))
newgateway = None
delgateway = None
if d.has_key("gateway"):
if iface["type"] != "eth" or iface["family"] != "inet":
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
gwstr = network.format_ipv4(network.parse_ipv4("%s" % d["gateway"]))
if iface.get("gateway", None) != gwstr:
newgateway = dumbnet.addr("%s" % d["gateway"])
# If d hasn't gateway but iface has a gateway, remove previous gateway.
elif iface.has_key("gateway"):
if iface["type"] != "eth" or iface["family"] != "inet":
raise NotImplementedError("This method only supports modify IPv4 gateway for ethernet interface")
delgateway = d["addr"]
if d.has_key("pointopoint"):
d["dst_addr"] = dumbnet.addr("%s" % d["pointopoint"])
if d.has_key("hwaddress"):
d["link_addr"] = dumbnet.addr("%s" % d["hwaddress"], dumbnet.ADDR_TYPE_ETH)
dumbnet.intf.set(self, d)
# If iface has previously a default gateway
if delgateway:
try:
self.route.delete(self.default_dst_ipv4)
except OSError, e:
# If an error has occurred, rollback
if iface.has_key("gateway"):
del iface["gateway"]
self.set(iface)
raise OSError(str(e))
def _intf_repr(self, ifent):
"""
Return the configuration for a network interface as a dict like interfaces(5).
"""
if not ifent \
or ifent['type'] not in (dumbnet.INTF_TYPE_LOOPBACK, dumbnet.INTF_TYPE_ETH):
return ifent
ret = {'name': ifent['name']}
if not ifent.has_key('addr'):
ret['mtu'] = ifent['mtu']
ret['flags'] = ifent['flags']
ret['type'] = self.INTF_TYPES[ifent['type']]
ret['typeid'] = ifent['type']
if ret['type'] == 'eth':
ret['family'] = 'inet'
else:
ret['family'] = 'unknown'
if ifent.has_key('link_addr'):
ret['hwaddress'] = str(ifent['link_addr'])
return ret
xaddr = ifent['addr']
if xaddr.addrtype == dumbnet.ADDR_TYPE_IP:
ret['address'] = dumbnet.ip_ntoa(xaddr.ip)
ret['netmask'] = network.format_ipv4(
network.bitmask_to_mask_ipv4(xaddr.bits))
ret['broadcast'] = str(xaddr.bcast())
ret['network'] = str(xaddr.net())
ret['mtu'] = ifent['mtu']
ret['flags'] = ifent['flags']
ret['type'] = self.INTF_TYPES[ifent['type']]
ret['typeid'] = ifent['type']
ret['family'] = 'inet'
gw = self._intf_ipv4_gateway(ifent['name'])
if gw:
ret['gateway'] = gw
if ifent.has_key('dst_addr'):
ret['pointopoint'] = str(ifent['dst_addr'])
if ifent.has_key('link_addr'):
ret['hwaddress'] = str(ifent['link_addr'])
elif xaddr.addrtype == dumbnet.ADDR_TYPE_IP6:
ret['address'] = dumbnet.ip6_ntoa(xaddr.ip6)
ret['netmask'] = xaddr.bits
ret['broadcast'] = str(xaddr.bcast())
ret['mtu'] = ifent['mtu']
ret['flags'] = ifent['flags']
ret['type'] = self.INTF_TYPES[ifent['type']]
ret['family'] = 'inet6'
if ifent.has_key('link_addr'):
ret['hwaddress'] = str(ifent['link_addr'])
return ret
