def sendGtp(requestType, msgData, msgHeirarchy, ieUpdateValDict=None):
igniteLogger.logger.info(f"Gtp Message type : {requestType}")
updateMessageFromContextData(requestType, msgData)
if ieUpdateValDict != None:
icu.setValueFromTC(msgData, ieUpdateValDict)
if requestType == mt.create_session_response.name:
setContextData(requestType, msgData)
igniteLogger.logger.info(f"Gtp data received : {msgData}")
send_response = requests.post(url=url["send_url"],
json=[msgData, S11CTXDATA, "gtp"])
igniteLogger.logger.info(
f"URL response for send gtp data : {str(send_response)}")
def sendS6aMsg(requestType,msgData,userName,ieUpdateValDict=None):
global IMSI
igniteLogger.logger.info(f"Diameter message Type : {requestType}")
if requestType == mt.update_location_response.name:
response = requests.get(url["s1ap_ctx_data_url"])
if response.json()!={} and response.json().get(IMSI,None)!=None:
s1ap_data = response.json()[IMSI]
icu.updateKeyValueInDict(msgData,"service-selection",s1ap_data[mt.esm_information_response.name]["apn"])
updateMessageFromContextData(requestType,msgData)
if ieUpdateValDict != None:
icu.setValueFromTC(msgData,ieUpdateValDict)
setContextData(requestType,msgData)
igniteLogger.logger.info(f"Data to be sent : {msgData}")
send_response = requests.post(url=url["send_url"], json=[msgData,S6ACTXDATA,"diameter"])
igniteLogger.logger.info(f"URL response for send diameter data: {str(send_response)}")
def sendS1ap(requestType,s1apData,enbUeS1apId,nasData={},imsi=None,ieUpdateValDict=None):
global SERFLAG
global TIMEOUTFLAG
global IMSI
igniteLogger.logger.info(f"s1ap message type : {requestType}")
s1apData["NAS-MESSAGE"] = nasData
count=0
if enbUeS1apId !=None:
if requestType == mt.attach_request.name:
icu.updateKeyValueInDict(s1apData, "ENB-UE-S1AP-ID", enbUeS1apId)
nu.setImsi(imsi,nasData)
if imsi ==None:
S1APCTXDATA[enbUeS1apId]={}
else:
if S1APCTXDATA.get(IMSI,None)==None:
IMSI=imsi
S1APCTXDATA[IMSI]={}
S1APCTXDATA[IMSI][requestType]={'imsi':str(imsi)}
elif requestType == mt.identity_response.name:
IMSI=imsi
nu.setImsi(imsi,nasData)
if S1APCTXDATA.get(enbUeS1apId,None)!=None:
S1APCTXDATA[IMSI]=S1APCTXDATA[enbUeS1apId].copy()
del S1APCTXDATA[enbUeS1apId]
S1APCTXDATA[IMSI][requestType]={'imsi':str(imsi)}
updateMessageFromContextData(s1apData,requestType)
elif requestType == mt.attach_request_guti.name:
icu.updateKeyValueInDict(s1apData, "ENB-UE-S1AP-ID", enbUeS1apId)
S1APCTXDATA[enbUeS1apId]={}
if imsi!=None:
nu.setGuti(imsi,s1apData)
else:
nu.setGuti(S1APCTXDATA[IMSI][mt.attach_accept.name]["guti_list"],s1apData)
elif requestType==mt.service_request.name:
SERFLAG=True
icu.updateKeyValueInDict(s1apData, "ENB-UE-S1AP-ID", enbUeS1apId)
icu.updateKeyValueInDict(s1apData,"m-TMSI", icu.formatHex(S1APCTXDATA[IMSI][mt.attach_accept.name]["m_tmsi"]))
icu.updateKeyValueInDict(s1apData,"mMEC", '0'+str(S1APCTXDATA[IMSI][mt.attach_accept.name]["mme_code"]))
else:
if requestType == mt.initial_context_setup_response.name:
if count == 0:
gtp_teid=icu.generateUniqueId('gTP-TEID')
S1APCTXDATA[IMSI]["gTP_TEID"]=gtp_teid
icu.updateKeyValueInDict(s1apData, "gTP-TEID", gtp_teid)
count+=1
else:
gtp_teid=S1APCTXDATA[IMSI]["gTP_TEID"]
gtp_teid=icu.icrementGtpTeid(gtp_teid)
S1APCTXDATA[IMSI]["gTP_TEID"]=gtp_teid
icu.updateKeyValueInDict(s1apData, "gTP-TEID", gtp_teid)
count+=1
icu.updateKeyValueInDict(s1apData, "transportLayerAddress",transportLayerAddressUpdate())
elif requestType==mt.authentication_response.name:
TIMEOUTFLAG=False
elif requestType==mt.ue_context_release_complete.name:
SERFLAG=False
updateMessageFromContextData(s1apData,requestType)
if ieUpdateValDict != None:
icu.setValueFromTC(s1apData,ieUpdateValDict)
setContextData(s1apData,requestType)
igniteLogger.logger.info(f"s1ap data send : {s1apData}")
send_response = requests.post(url["send_url"], json=[s1apData,S1APCTXDATA,"s1ap"])
igniteLogger.logger.info(f"URL response for send s1ap data : {str(send_response)}")
def sendS1ap(requestType,s1apData,enbUeS1apId,nasData={},imsi=None,ieUpdateValDict=None):
global SERFLAG
global TIMEOUTFLAG
global IMSI
igniteLogger.logger.info(f"s1ap message type : {requestType}")
s1apData["NAS-MESSAGE"] = nasData
count=0
if enbUeS1apId !=None:
if requestType == mt.attach_request.name:
icu.updateKeyValueInDict(s1apData, "ENB-UE-S1AP-ID", enbUeS1apId)
nu.setImsi(imsi,nasData)
if imsi ==None:
S1APCTXDATA[enbUeS1apId]={}
else:
if S1APCTXDATA.get(IMSI,None)==None:
IMSI=imsi
S1APCTXDATA[IMSI]={}
S1APCTXDATA[IMSI][requestType]={'imsi':str(imsi)}
elif requestType == mt.identity_response.name:
IMSI=imsi
nu.setImsi(imsi,nasData)
if S1APCTXDATA.get(enbUeS1apId,None)!=None:
S1APCTXDATA[IMSI]=S1APCTXDATA[enbUeS1apId].copy()
del S1APCTXDATA[enbUeS1apId]
S1APCTXDATA[IMSI][requestType]={'imsi':str(imsi)}
updateMessageFromContextData(s1apData,requestType)
elif requestType == mt.attach_request_guti.name:
icu.updateKeyValueInDict(s1apData, "ENB-UE-S1AP-ID", enbUeS1apId)
S1APCTXDATA[enbUeS1apId]={}
if imsi!=None:
nu.setGuti(imsi,s1apData)
else:
nu.setGuti(S1APCTXDATA[IMSI][mt.attach_accept.name]["guti_list"],s1apData)
elif requestType==mt.service_request.name:
SERFLAG=True
icu.updateKeyValueInDict(s1apData, "ENB-UE-S1AP-ID", enbUeS1apId)
icu.updateKeyValueInDict(s1apData,"m-TMSI", icu.formatHex(S1APCTXDATA[IMSI][mt.attach_accept.name]["m_tmsi"]))
icu.updateKeyValueInDict(s1apData,"mMEC", '0'+str(S1APCTXDATA[IMSI][mt.attach_accept.name]["mme_code"]))
else:
if requestType == mt.initial_context_setup_response.name:
if count == 0:
gtp_teid=icu.generateUniqueId('gTP-TEID')
S1APCTXDATA[IMSI]["gTP_TEID"]=gtp_teid
icu.updateKeyValueInDict(s1apData, "gTP-TEID", gtp_teid)
count+=1
else:
gtp_teid=S1APCTXDATA[IMSI]["gTP_TEID"]
gtp_teid=icu.icrementGtpTeid(gtp_teid)
S1APCTXDATA[IMSI]["gTP_TEID"]=gtp_teid
icu.updateKeyValueInDict(s1apData, "gTP-TEID", gtp_teid)
count+=1
icu.updateKeyValueInDict(s1apData, "transportLayerAddress",transportLayerAddressUpdate())
elif requestType == mt.handover_request_acknowledge.name:
gtp_teid=icu.generateUniqueId('gTP-TEID')
gtp_teid_1=icu.generateUniqueId('gTP-TEID')
S1APCTXDATA[IMSI]["gTP_TEID_2"]=gtp_teid
icu.updateKeyValueInDict(s1apData, "gTP-TEID", gtp_teid)
icu.updateKeyValueInDict(s1apData, "transportLayerAddress",transportLayerAddressUpdate())
icu.updateKeyValueInDict(s1apData, "dL-transportLayerAddress",transportLayerAddressUpdate())
icu.updateKeyValueInDict(s1apData, "gTP-TEID", gtp_teid_1)
elif requestType == mt.erab_modification_indication.name:
tl_address=transportLayerAddressUpdate()
generateIeValueForErabModInd(s1apData,tl_address,GTP_TEID_LIST)
S1APCTXDATA[IMSI]["gTP_TEID"]=GTP_TEID_LIST
elif requestType==mt.authentication_response.name:
TIMEOUTFLAG=False
elif requestType==mt.ue_context_release_complete.name:
SERFLAG=False
updateMessageFromContextData(s1apData,requestType)
if ieUpdateValDict != None:
icu.setValueFromTC(s1apData,ieUpdateValDict)
setContextData(s1apData,requestType)
igniteLogger.logger.info(f"s1ap data send : {s1apData}")
if requestType in [mt.s1_setup_request_target.name,mt.handover_request_acknowledge.name,mt.handover_notify.name]:
send_url = "http://"+str(config_file["s1ap_target"]["ignite_ip"])+":"+str(config_file["s1ap_target"]["tc_port"])+"/sendMessagesToProxy"
send_response = requests.post(url["send_url"], json=[None,S1APCTXDATA,"s1ap"])
else:
send_url = url["send_url"]
send_response = requests.post(send_url, json=[s1apData,S1APCTXDATA,"s1ap"])
igniteLogger.logger.info(f"URL response for send s1ap data : {str(send_response)}")