def sendDeactDedicatedBearerAccept(self, ue_id, bearerId):
deact_ded_bearer_acc = s1ap_types.UeDeActvBearCtxtAcc_t()
deact_ded_bearer_acc.ue_Id = ue_id
deact_ded_bearer_acc.bearerId = bearerId
self._s1_util.issue_cmd(s1ap_types.tfwCmd.UE_DEACTIVATE_BER_ACC,
deact_ded_bearer_acc)
print("************* Sending deactivate EPS bearer context accept\n")
def test_attach_detach(self):
""" attach/detach + dedicated bearer test with 4 UEs """
num_ues = 4
ue_ids = []
bearer_ids = []
self._s1ap_wrapper.configUEDevice(num_ues)
for _ in range(num_ues):
req = self._s1ap_wrapper.ue_req
print("********************** Running End to End attach for ",
"UE id ", req.ue_id)
# Now actually complete the attach
self._s1ap_wrapper._s1_util.attach(
req.ue_id, s1ap_types.tfwCmd.UE_END_TO_END_ATTACH_REQUEST,
s1ap_types.tfwCmd.UE_ATTACH_ACCEPT_IND,
s1ap_types.ueAttachAccept_t)
# Wait on EMM Information from MME
self._s1ap_wrapper._s1_util.receive_emm_info()
ue_ids.append(req.ue_id)
self._s1ap_wrapper._ue_idx = 0
for i in range(num_ues):
req = self._s1ap_wrapper.ue_req
print("********************** Adding dedicated bearer to IMSI",
''.join([str(i) for i in req.imsi]))
self._spgw_util.create_bearer(
'IMSI' + ''.join([str(i) for i in req.imsi]), 5)
response = self._s1ap_wrapper.s1_util.get_response()
self.assertTrue(response,
s1ap_types.tfwCmd.UE_ACT_DED_BER_REQ.value)
print("********************** Received activate dedicated EPS"
" bearer context request")
act_ded_ber_ctxt_req = response.cast(
s1ap_types.UeActDedBearCtxtReq_t)
ded_bearer_acc = s1ap_types.UeActDedBearCtxtAcc_t()
ded_bearer_acc.ue_Id = req.ue_id
ded_bearer_acc.bearerId = act_ded_ber_ctxt_req.bearerId
print("********************** Sending activate dedicated"
" EPS bearer context accept")
self._s1ap_wrapper._s1_util.issue_cmd(
s1ap_types.tfwCmd.UE_ACT_DED_BER_ACC, ded_bearer_acc)
bearer_ids.append(ded_bearer_acc.bearerId)
time.sleep(1)
self._s1ap_wrapper._ue_idx = 0
for i in range(num_ues):
req = self._s1ap_wrapper.ue_req
print("********************** Deleting dedicated bearer for IMSI",
''.join([str(i) for i in req.imsi]))
self._spgw_util.delete_bearer(
'IMSI' + ''.join([str(i) for i in req.imsi]), 5, bearer_ids[i])
response = self._s1ap_wrapper.s1_util.get_response()
self.assertTrue(response,
s1ap_types.tfwCmd.UE_DEACTIVATE_BER_REQ.value)
print("********************** Received deactivate EPS bearer"
" context request")
print("********************** Sending Deactivate EPS bearer"
" context accept")
deactv_bearer_acc = s1ap_types.UeDeActvBearCtxtAcc_t()
deactv_bearer_acc.ue_Id = req.ue_id
deactv_bearer_acc.bearerId = bearer_ids[i]
self._s1ap_wrapper._s1_util.issue_cmd(
s1ap_types.tfwCmd.UE_DEACTIVATE_BER_ACC, deactv_bearer_acc)
time.sleep(2)
for ue in ue_ids:
print("********************** Running UE detach for UE id ", ue)
# Now detach the UE
self._s1ap_wrapper.s1_util.detach(
ue, s1ap_types.ueDetachType_t.UE_NORMAL_DETACH.value)
def test_attach_detach(self):
""" attach/detach + dedicated bearer test with a single UE """
num_ues = 1
detach_type = [
s1ap_types.ueDetachType_t.UE_NORMAL_DETACH.value,
s1ap_types.ueDetachType_t.UE_SWITCHOFF_DETACH.value
]
wait_for_s1 = [True, False]
self._s1ap_wrapper.configUEDevice(num_ues)
for i in range(num_ues):
req = self._s1ap_wrapper.ue_req
print("********************** Running End to End attach for ",
"UE id ", req.ue_id)
# Now actually complete the attach
self._s1ap_wrapper._s1_util.attach(
req.ue_id, s1ap_types.tfwCmd.UE_END_TO_END_ATTACH_REQUEST,
s1ap_types.tfwCmd.UE_ATTACH_ACCEPT_IND,
s1ap_types.ueAttachAccept_t)
# Wait on EMM Information from MME
self._s1ap_wrapper._s1_util.receive_emm_info()
time.sleep(5)
print("********************** Adding dedicated bearer to IMSI",
''.join([str(i) for i in req.imsi]))
self._spgw_util.create_bearer(
'IMSI' + ''.join([str(i) for i in req.imsi]), 5)
response = self._s1ap_wrapper.s1_util.get_response()
self.assertTrue(response,
s1ap_types.tfwCmd.UE_ACT_DED_BER_REQ.value)
act_ded_ber_ctxt_req = response.cast(
s1ap_types.UeActDedBearCtxtReq_t)
ded_bearer_acc = s1ap_types.UeActDedBearCtxtAcc_t()
ded_bearer_acc.ue_Id = 1
ded_bearer_acc.bearerId = act_ded_ber_ctxt_req.bearerId
self._s1ap_wrapper._s1_util.issue_cmd(
s1ap_types.tfwCmd.UE_ACT_DED_BER_ACC, ded_bearer_acc)
time.sleep(5)
print("********************** Deleting dedicated bearer for IMSI",
''.join([str(i) for i in req.imsi]))
self._spgw_util.delete_bearer(
'IMSI' + ''.join([str(i) for i in req.imsi]), 5, 6)
response = self._s1ap_wrapper.s1_util.get_response()
self.assertTrue(response,
s1ap_types.tfwCmd.UE_DEACTIVATE_BER_REQ.value)
print("******************* Received deactivate eps bearer context")
deactv_bearer_req = response.cast(s1ap_types.UeDeActvBearCtxtReq_t)
print("********************** Sending Deactivate EPS bearer"
" context accept")
deactv_bearer_acc = s1ap_types.UeDeActvBearCtxtAcc_t()
deactv_bearer_acc.ue_Id = req.ue_id
deactv_bearer_acc.bearerId = deactv_bearer_req.bearerId
self._s1ap_wrapper._s1_util.issue_cmd(
s1ap_types.tfwCmd.UE_DEACTIVATE_BER_ACC, deactv_bearer_acc)
time.sleep(5)
print("********************** Running UE detach for UE id ",
req.ue_id)
# Now detach the UE
self._s1ap_wrapper.s1_util.detach(req.ue_id, detach_type[i],
wait_for_s1[i])
