def allocateMac(self):
'''
Allocates an MAC address of the range
'''
with MutexStore.getObjectLock(self.getLockIdentifier()):
#Implements first fit algorithm
if self.nextAvailableMac == None:
raise Exception("Could not allocate any Mac")
newMac = MacSlot.macFactory(self,self.nextAvailableMac)
self.macs.add(newMac)
#Try to find new slot
try:
it= EthernetUtils.getMacIterator(self.nextAvailableMac,self.endMac)
while True:
mac = it.getNextMac()
if self.__isMacAvailable(mac):
break
self.nextAvailableMac = mac
except Exception as e:
self.nextAvailableMac = None
self.autoSave()
return newMac
def addExcludedMac(self,macStr,comment=""):
'''
Add an MAC to the exclusion list
'''
with MutexStore.getObjectLock(self.getLockIdentifier()):
#Check is not already allocated
if not self.__isMacAvailable(macStr):
raise Exception("Mac already allocated or marked as excluded")
#then forbidd
if not EthernetUtils.isMacInRange(macStr,self.startMac,self.endMac):
raise Exception("Mac is not in range")
newMac = MacSlot.excludedMacFactory(self,macStr,comment)
self.macs.add(newMac)
#if was nextSlot shift
if self.nextAvailableMac == macStr:
try:
it= EthernetUtils.getMacIterator(self.nextAvailableMac,self.endMac)
while True:
mac = it.getNextMac()
if self.__isMacAvailable(mac):
break
self.nextAvailableMac= mac
except Exception as e:
self.nextAvailableMac = None
self.autoSave()
def constructor(name,macStr,macObj,switchID,port,ip4Obj,isMgmt=False,isBridge=False,save=True):
self = NetworkInterface()
try:
self.name = name;
if macObj == None:
self.mac = MacSlot.macFactory(None,macStr)
else:
if not isinstance(macObj,MacSlot):
raise Exception("Cannot construct NetworkInterface with a non MacSlot object as parameter")
self.mac = macObj
self.isMgmt = isMgmt
'''Connectivity'''
if isBridge:
self.isBridge = isBridge
self.switchID = switchID
self.port = port
if not ip4Obj == None:
if not isinstance(ip4Obj,Ip4Slot):
raise Exception("Cannot construct NetworkInterface with a non Ip4Slot object as parameter")
else:
self.save()
self.ip4s.add(ip4Obj)
self.doSave = save
if save:
self.save()
except Exception as e:
print e
# self.delete()
raise e
return self
