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4 changes: 4 additions & 0 deletions lib/database.py
Original file line number Diff line number Diff line change
Expand Up @@ -2144,6 +2144,10 @@ def Update_Serving_APN(self, imsi, apn, pcrf_session_id, serving_pgw, subscriber
assert(len(serving_pgw) > 0)
assert("None" not in serving_pgw)

if ServingAPN and ((subscriber_routing == "None") or (subscriber_routing == "") or (subscriber_routing == "Failed to Decode / Get UE IP") or (subscriber_routing == None)):
json_data['subscriber_routing'] = ServingAPN['subscriber_routing']
self.logTool.log(service='Database', level='debug', message="Using existing subscriber routing from Serving APN", redisClient=self.redisMessaging)

self.UpdateObj(SERVING_APN, json_data, ServingAPN['serving_apn_id'], True)
objectData = self.GetObj(SERVING_APN, ServingAPN['serving_apn_id'])
self.handleWebhook(objectData, 'PATCH')
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17 changes: 13 additions & 4 deletions lib/diameter.py
Original file line number Diff line number Diff line change
Expand Up @@ -3756,10 +3756,19 @@ def Answer_16777236_265(self, packet_vars, avps):
servingApn = remoteServingApn
else:
servingApn = self.database.Get_Serving_APN(subscriber_id=subscriberId, apn_id=apnId)
servingPgwPeer = servingApn.get('serving_pgw_peer', None).split(';')[0]
servingPgw = servingApn.get('serving_pgw', None)
servingPgwRealm = servingApn.get('serving_pgw_realm', None)
pcrfSessionId = servingApn.get('pcrf_session_id', None)

if servingApn:
self.logTool.log(service='HSS', level='debug', message=f"[diameter.py] [Answer_16777236_265] [AAA] Found Serving APN for subscriberId: {subscriberId} and apnId: {apnId}", redisClient=self.redisMessaging)
servingPgwPeer = servingApn.get('serving_pgw_peer', None).split(';')[0]
servingPgw = servingApn.get('serving_pgw', None)
servingPgwRealm = servingApn.get('serving_pgw_realm', None)
pcrfSessionId = servingApn.get('pcrf_session_id', None)
else:
servingPgwPeer = None
servingPgw = None
servingPgwRealm = None
pcrfSessionId = None
raise Exception("No Serving APN found")

if not ueIp:
ueIp = servingApn.get('subscriber_routing', None)
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