def from_datastruct(self,seed_data):
self.name = self.load_item(seed_data, 'name')
self.cidr = _CIDR(self.load_item(seed_data, 'cidr'))
self.address = _IP(self.load_item(seed_data, 'address', self.cidr[0]))
self.gateway = _IP(self.load_item(seed_data, 'gateway', self.cidr[-2]))
self.broadcast = _IP(self.load_item(seed_data, 'broadcast', self.cidr[-1]))
self.nameservers = [_IP(i) for i in self.load_item(seed_data, 'nameservers', [])]
self.reserved = [_CIDR(c) for c in self.load_item(seed_data, 'reserved', [])]
self.used_addresses = self.load_item(seed_data, 'used_addresses', {})
self.free_addresses = [_CIDR(c) for c in self.load_item(seed_data, 'free_addresses', [])]
self.comment = self.load_item(seed_data, 'comment', '')
return self
def _add_to_free(self, addr, compact=True):
"""
Add addr to the list of free addresses. If compact is True,
then take the list of CIDRs in free_addresses and compact it.
"""
addr = _IP(addr).cidr()
self.free_addresses.append(addr)
if compact:
self.free_addreses = self._compact(self.free_addresses)
def _add_to_free(self, addr, compact=True):
"""
Add addr to the list of free addresses. If compact is True,
then take the list of CIDRs in free_addresses and compact it.
"""
addr = _IP(addr).cidr()
self.free_addresses.append(addr)
if compact:
self.free_addreses = self._compact(self.free_addresses)
def set_nameservers(self, nameservers):
old = self.nameservers
nameservers = [_IP(s.strip()) for s in nameservers.split(',')]
if old != None:
for ns in old:
if ns not in nameservers:
self._add_to_free(ns)
for ns in nameservers:
if ns not in old:
self._remove_from_free(ns)
self.nameservers = nameservers
def set_broadcast(self, broadcast):
if broadcast is None:
# FIXME:
self.broadcast = None
return
broadcast = broadcast.strip()
if broadcast == "":
self.broadcast = broadcast
else:
if self.broadcast != None:
self._add_to_free(broadcast)
self.broadcast = _IP(broadcast)
self._remove_from_free(self.broadcast)
return True
def set_gateway(self, gateway):
if gateway is None:
# FIXME
self.gateway = None
return
gateway = gateway.strip()
if gateway == "":
self.gateway = gateway
else:
if self.gateway != None:
self._add_to_free(gateway)
self.gateway = _IP(gateway)
self._remove_from_free(self.gateway)
return True
def set_address(self, address):
if address is None:
# FIXME: probably wrong handling, need to reimpl "is_valid"
# logic for all objects?
self.address = None
return
address = address.strip()
if address == "":
self.address = address
else:
if self.address != None:
self._add_to_free(address)
self.address = _IP(address)
self._remove_from_free(self.address)
return True
def set_broadcast(self, broadcast):
if self.broadcast != None:
self._add_to_free(broadcast)
self.broadcast = _IP(broadcast)
self._remove_from_free(self.broadcast)
def set_gateway(self, gateway):
if self.gateway != None:
self._add_to_free(gateway)
self.gateway = _IP(gateway)
self._remove_from_free(self.gateway)
def set_address(self, address):
if self.address != None:
self._add_to_free(address)
self.address = _IP(address)
self._remove_from_free(self.address)