def getVlan(self, vlans):
dict_requested = get_vlanSet(vlans)
list_requested = sorted(dict_requested.keys())
logger.debug("freed:green: %d, yellow: %d, used: %d, allowed: %d" %
(len(self.dict_freed_green), len(self.dict_freed_yellow),
len(self.dict_used), len(self.dict_allowed)))
if len(self.dict_freed_green) == 0:
if len(self.dict_freed_yellow) != 0:
self.dict_freed_green = self.dict_freed_yellow.copy()
self.dict_freed_yellow = {}
for v in list_requested:
if self.dict_freed_green.has_key(v):
del self.dict_freed_green[v]
self.dict_used[v] = int(v)
return v
for v in list_requested:
if self.dict_freed_yellow.has_key(v):
del self.dict_freed_yellow[v]
self.dict_used[v] = int(v)
return v
raise tnex.ParamException("vlanManager:getVlan",
"This vlan (%s) is not freed." % (vlans))
def checkVlan(self, vlan):
if self.dict_allowed.has_key(vlan):
return True
logger.info("checkVlans: False")
raise tnex.ParamException("vlanManager:checkVlan",
"This vlan (%s) is not allowed." % (vlan))
def __init__(self, stp, vlans):
self.stp = stp
self.allowed_vlans = vlans
self.dict_freed_green = {}
self.dict_freed_yellow = {}
self.dict_used = {}
if vlans is None:
vlans = "2-4094"
self.dict_allowed = get_vlanSet(vlans)
if stp is None:
raise tnex.ParamException("vlanManager:init", "This stp is None.")
if dict_vlanManagers.has_key(stp):
raise tnex.ParamException("vlanManager:init",
"This stp (%s) already exist." % (stp))
dict_vlanManagers[stp] = self
self.dict_freed_green = self.dict_allowed.copy()
logger.debug("nsi stp: %s, vlans: %s" % (stp, vlans))
def get_vlanSet(vlans):
dict_vlans = {}
if vlans is not None:
try:
vv = vlans.split(",")
for v in vv:
vvv = v.split("-")
if (len(vvv) == 2):
for i in range(int(vvv[0]), int(vvv[1]) + 1):
dict_vlans[str(i)] = i
else:
s = v.strip()
dict_vlans[s] = int(s)
except Exception as e:
raise tnex.ParamException(
"vlanManager:",
"This vlan parameter (%s) is bad format." % (vlans))
return dict_vlans
def get_vlanManager(stp):
if dict_vlanManagers.has_key(stp):
return dict_vlanManagers.has_key[stp]
raise tnex.ParamException("vlanManagers:getVlanManager",
"This stp (%s) does not exist." % (stp))