def delete_if_empty(self):
'''
This routine checks if a DPS Client no longer hosts any Endpoint.
If it doesn't, it unlinks itself from all the domain
'''
if len(self.Endpoint_Hash_MAC) != 0:
return
if not self.valid:
return
self.valid = False
#Remove self from all DVGs
for client_type in DpsClientType.types.keys():
for dvg in self.DVG_Hash[client_type].values():
DVG.tunnel_endpoint_delete(dvg, self, client_type)
#Clear the VNID/DVG Hash
self.DVG_Hash.clear()
#Remove from DPS Client Collection
DPSClient.tunnel_endpoint_delete(self.dps_client, self)
#Remove from Domain Collection
Domain.tunnel_endpoint_delete(self.domain, self)
#Clear IPs
self.ip_listv4.clear()
self.ip_listv6.clear()
return
def delete_if_empty(self):
'''
This routine checks if a DPS Client no longer hosts any Endpoint.
If it doesn't, it unlinks itself from all the domain
'''
if len(self.Endpoint_Hash_MAC) != 0:
return
if not self.valid:
return
self.valid = False
#Remove self from all DVGs
for client_type in DpsClientType.types.keys():
for dvg in self.DVG_Hash[client_type].values():
DVG.tunnel_endpoint_delete(dvg, self, client_type)
#Clear the VNID/DVG Hash
self.DVG_Hash.clear()
#Remove from DPS Client Collection
DPSClient.tunnel_endpoint_delete(self.dps_client, self)
#Remove from Domain Collection
Domain.tunnel_endpoint_delete(self.domain, self)
#Clear IPs
self.ip_listv4.clear()
self.ip_listv6.clear()
return
def ip_delete(self, dvg, client_type, inet_type, ip_value):
'''
This deletes a tunnel IP address from a DVG and client type
@param dvg: The DVG on which this registration occurred
@type dvg: DVG
@param client_type: The Type of Client: should be in DpsClientType.types
@type client_type: Integer
@param inet_type: AF_INET or AF_INET6
@type inet_type: Integer
@param ip_value: The IP address value
@type ip_value: Integer or String
'''
fdeleteVNID = False
fdeleteIP = False
while True:
try:
client_type_value = DpsClientType.types[client_type]
except Exception:
break
try:
vnid_hash_ip = self.VNID_Hash_IP[client_type][dvg.unique_id]
del vnid_hash_ip[ip_value]
if len(vnid_hash_ip) == 0:
del self.VNID_Hash_IP[client_type][dvg.unique_id]
fdeleteVNID = True
except Exception:
pass
try:
ip_hash_vnid = self.IP_Hash_VNID[client_type][ip_value]
del ip_hash_vnid[dvg.unique_id]
if len(ip_hash_vnid) == 0:
del self.IP_Hash_VNID[client_type][ip_value]
fdeleteIP = True
except Exception:
pass
if fdeleteVNID:
#Remove Tunnel from DVG
DVG.tunnel_endpoint_delete(dvg, self, client_type)
try:
del self.DVG_Hash[client_type][dvg.unique_id]
if len(self.DVG_Hash[client_type]) == 0:
#print 'Delete all Endpoints with client_type %s\r'%client_type_value
self.delete_client_type(client_type)
except Exception:
pass
if not fdeleteIP:
break
if fdeleteIP:
#Remove only the IP from the DVG
DVG.tunnel_endpoint_delete_IP(dvg, client_type, inet_type, ip_value)
#Check if IP is present in any client type
ip_present = False
for ctype in self.IP_Hash_VNID.keys():
try:
ip_hash_vnid = self.IP_Hash_VNID[ctype][ip_value]
ip_present = True
break
except Exception:
continue
if ip_present:
break
#Actually delete the IP from Domain and DPS Clients since no DVGs have it
if inet_type == socket.AF_INET:
self.ip_listv4.remove(inet_type, ip_value)
elif inet_type == socket.AF_INET6:
self.ip_listv6.remove(inet_type, ip_value)
#Remove IP to DPS Client
DPSClient.tunnel_endpoint_delete_IP(self.dps_client, inet_type, ip_value)
#Remove IP from Domain
Domain.tunnel_endpoint_delete_IP(self.domain, inet_type, ip_value)
#Delete Self if not IP Addresses are present
if self.ip_listv4.count() == 0 and self.ip_listv6.count() == 0:
self.delete()
break
return
def ip_delete(self, dvg, client_type, inet_type, ip_value):
'''
This deletes a tunnel IP address from a DVG and client type
@param dvg: The DVG on which this registration occurred
@type dvg: DVG
@param client_type: The Type of Client: should be in DpsClientType.types
@type client_type: Integer
@param inet_type: AF_INET or AF_INET6
@type inet_type: Integer
@param ip_value: The IP address value
@type ip_value: Integer or String
'''
fdeleteVNID = False
fdeleteIP = False
while True:
try:
client_type_value = DpsClientType.types[client_type]
except Exception:
break
try:
vnid_hash_ip = self.VNID_Hash_IP[client_type][dvg.unique_id]
del vnid_hash_ip[ip_value]
if len(vnid_hash_ip) == 0:
del self.VNID_Hash_IP[client_type][dvg.unique_id]
fdeleteVNID = True
except Exception:
pass
try:
ip_hash_vnid = self.IP_Hash_VNID[client_type][ip_value]
del ip_hash_vnid[dvg.unique_id]
if len(ip_hash_vnid) == 0:
del self.IP_Hash_VNID[client_type][ip_value]
fdeleteIP = True
except Exception:
pass
if fdeleteVNID:
#Remove Tunnel from DVG
DVG.tunnel_endpoint_delete(dvg, self, client_type)
try:
del self.DVG_Hash[client_type][dvg.unique_id]
if len(self.DVG_Hash[client_type]) == 0:
#print 'Delete all Endpoints with client_type %s\r'%client_type_value
self.delete_client_type(client_type)
except Exception:
pass
if not fdeleteIP:
break
if fdeleteIP:
#Remove only the IP from the DVG
DVG.tunnel_endpoint_delete_IP(dvg, client_type, inet_type,
ip_value)
#Check if IP is present in any client type
ip_present = False
for ctype in self.IP_Hash_VNID.keys():
try:
ip_hash_vnid = self.IP_Hash_VNID[ctype][ip_value]
ip_present = True
break
except Exception:
continue
if ip_present:
break
#Actually delete the IP from Domain and DPS Clients since no DVGs have it
if inet_type == socket.AF_INET:
self.ip_listv4.remove(inet_type, ip_value)
elif inet_type == socket.AF_INET6:
self.ip_listv6.remove(inet_type, ip_value)
#Remove IP to DPS Client
DPSClient.tunnel_endpoint_delete_IP(self.dps_client, inet_type,
ip_value)
#Remove IP from Domain
Domain.tunnel_endpoint_delete_IP(self.domain, inet_type, ip_value)
#Delete Self if not IP Addresses are present
if self.ip_listv4.count() == 0 and self.ip_listv6.count() == 0:
self.delete()
break
return
