X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=src%2Fxapp-asn%2Fe2ap%2Fe2ap_subscription_failure.cc;fp=src%2Fxapp-asn%2Fe2ap%2Fe2ap_subscription_failure.cc;h=c0ffe1ca4432341e36c51a17faf820b7f1190fd3;hb=858eb3785ad300196cf677143a6759f857344702;hp=0000000000000000000000000000000000000000;hpb=4edb52e022fe23b8951488c959458ad68b644d47;p=ric-app%2Fhw.git diff --git a/src/xapp-asn/e2ap/e2ap_subscription_failure.cc b/src/xapp-asn/e2ap/e2ap_subscription_failure.cc new file mode 100644 index 0000000..c0ffe1c --- /dev/null +++ b/src/xapp-asn/e2ap/e2ap_subscription_failure.cc @@ -0,0 +1,383 @@ +/* +================================================================================== + + Copyright (c) 2019-2020 AT&T Intellectual Property. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +================================================================================== +*/ +/* + * e2ap_E2APSubscriptionFailure.cc + * + * + * Author: SJana, Ashwin Sridharan + */ +#include + +E2APSubscriptionFailure::E2APSubscriptionFailure(SubscriptionFailureIEs& subObj){ + + _failureIEs = std::make_unique(); + *_failureIEs = subObj; + + _e2ap_pdu_obj = 0; + _e2ap_pdu_obj = (E2AP_PDU_t *)calloc(1, sizeof(E2AP_PDU_t)); + assert(_e2ap_pdu_obj != 0); + + _unsuccessMsg = 0; + _unsuccessMsg = (UnsuccessfulOutcome_t *)calloc(1, sizeof(UnsuccessfulOutcome_t)); + assert(_unsuccessMsg != 0); + + + + IE_array = 0; + IE_array = (RICsubscriptionFailure_IEs_t *)calloc(RIC_SUB_FAILURE_IES_COUNT, sizeof(RICsubscriptionFailure_IEs_t)); + assert(IE_array != 0); + + + ie_not_admitted_list = 0; + CD_array = 0; + +}; + +// Clear assigned protocolIE list from RIC indication IE container +E2APSubscriptionFailure::~E2APSubscriptionFailure(void){ + + RICsubscriptionFailure_t * ric_subscriptionFailure = &(_unsuccessMsg->value.choice.RICsubscriptionFailure); + for(int i = 0; i < ric_subscriptionFailure->protocolIEs.list.size ; i++){ + ric_subscriptionFailure->protocolIEs.list.array[i] = 0; + } + + if (ric_subscriptionFailure->protocolIEs.list.size > 0){ + free(ric_subscriptionFailure->protocolIEs.list.array); + ric_subscriptionFailure->protocolIEs.list.array = 0; + ric_subscriptionFailure->protocolIEs.list.size = 0; + ric_subscriptionFailure->protocolIEs.list.count = 0; + } + + free(ie_not_admitted_list); + free(IE_array); + free(_unsuccessMsg); + _e2ap_pdu_obj->choice.unsuccessfulOutcome = 0; + + ASN_STRUCT_FREE(asn_DEF_E2AP_PDU, _e2ap_pdu_obj); + mdclog_write(MDCLOG_DEBUG, "Freed Subscription Failure Object memory"); + + +}; + + +bool E2APSubscriptionFailure::encode(unsigned char *buf, size_t *size){ + + _e2ap_pdu_obj->present = E2AP_PDU_PR_unsuccessfulOutcome; + _e2ap_pdu_obj->choice.unsuccessfulOutcome = _unsuccessMsg; + + bool eres = setfields( _unsuccessMsg); + if(!eres) + return eres; + + _unsuccessMsg->procedureCode = ProcedureCode_id_RICsubscription; + _unsuccessMsg->criticality = Criticality_reject; + _unsuccessMsg->value.present = UnsuccessfulOutcome__value_PR_RICsubscriptionFailure; + + int ret_constr = asn_check_constraints(&asn_DEF_E2AP_PDU, (void *) _e2ap_pdu_obj, _errbuf, &_errbuf_len); + if(ret_constr){ + _error_string.assign(_errbuf, _errbuf_len); + _error_string = "Constraints failed for encoding subscription failure. Reason = " + _error_string; + return false; + } + + asn_enc_rval_t res = asn_encode_to_buffer(0, ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, _e2ap_pdu_obj, buf, *size); + if(res.encoded == -1){ + mdclog_write(MDCLOG_DEBUG, "Error encoding PDU. Reason =%s",strerror(errno)); + + return false; + } + else { + if(*size < res.encoded){ + fprintf(stderr, "Buffer assigned too small to encode: %s",(char *)(asn_DEF_E2AP_PDU.name)); + res.encoded = -1; + return false; + } + } + + *size = res.encoded; + xer_fprint(stdout, &asn_DEF_E2AP_PDU, _e2ap_pdu_obj); + return true; + +} + +bool E2APSubscriptionFailure::setfields(UnsuccessfulOutcome_t *_unsuccessMsg){ + + int ie_index; + + + RICsubscriptionFailure_t * subsFailure = &(_unsuccessMsg->value.choice.RICsubscriptionFailure); + //reset list count .. + subsFailure->protocolIEs.list.count = 0; + + ie_index = 0; + RICsubscriptionFailure_IEs_t *ies_ricreq = &IE_array[ie_index]; + + ies_ricreq->criticality = Criticality_reject; + ies_ricreq->id = ProtocolIE_ID_id_RICrequestID; + ies_ricreq->value.present = RICsubscriptionFailure_IEs__value_PR_RICrequestID; + RICrequestID_t *ricrequest_ie = &ies_ricreq->value.choice.RICrequestID; + ricrequest_ie->ricRequestorID = this->getIEs().get_ricRequestorID(); + ricrequest_ie->ricInstanceID = this->getIEs().get_ricInstanceID(); + ASN_SEQUENCE_ADD(&subsFailure->protocolIEs, &(IE_array[ie_index])); + + + ie_index++; + RICsubscriptionFailure_IEs_t *ies_ranfunc = &IE_array[ie_index]; + ies_ranfunc->criticality = Criticality_reject; + ies_ranfunc->id = ProtocolIE_ID_id_RANfunctionID; + ies_ranfunc->value.present = RICsubscriptionFailure_IEs__value_PR_RANfunctionID; + RANfunctionID_t *ranfunction_ie = &ies_ranfunc->value.choice.RANfunctionID; + *ranfunction_ie = this->getIEs().get_ranFunctionID(); + ASN_SEQUENCE_ADD(&subsFailure->protocolIEs, &(IE_array[ie_index])); + + + if(this->getIEs().get_is_ricActionNotAdmitlst()){ + int notadmit_lst_count = this->getIEs().get_actionsNotAdmitted_list().get_list_count(); + + ie_index++; + std::vector * ref_notadmitted_action_array = this->getIEs().get_actionsNotAdmitted_list().get_list(); + + RICsubscriptionFailure_IEs_t *ies_notadmitted_actid = &IE_array[ie_index]; + ies_notadmitted_actid->criticality = Criticality_reject; + ies_notadmitted_actid->id = ProtocolIE_ID_id_RICactions_NotAdmitted; + + RICaction_NotAdmitted_List_t *ric_not_admitted_actions_ie = &ies_notadmitted_actid->value.choice.RICaction_NotAdmitted_List; + ric_not_admitted_actions_ie->list.count = 0; + + + ies_notadmitted_actid->value.present = RICsubscriptionFailure_IEs__value_PR_RICaction_NotAdmitted_List; + + + ie_not_admitted_list = (RICaction_NotAdmitted_ItemIEs_t *)calloc(notadmit_lst_count, sizeof(RICaction_NotAdmitted_ItemIEs_t)); + assert(ie_not_admitted_list != 0); + + + for(unsigned int i = 0; i < ref_notadmitted_action_array->size(); i ++){ + ie_not_admitted_list[i].criticality = Criticality_ignore; + ie_not_admitted_list[i].id = ProtocolIE_ID_id_RICaction_NotAdmitted_Item ; + ie_not_admitted_list[i].value.present = RICaction_NotAdmitted_ItemIEs__value_PR_RICaction_NotAdmitted_Item;; + ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.ricActionID = (*ref_notadmitted_action_array)[i].get_ricActionID(); + + int cause = (*ref_notadmitted_action_array)[i].get_ricCause(); + switch(cause){ + case Cause_PR_ricService: + ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.ricService = (*ref_notadmitted_action_array)[i].get_ricSubCause(); + break; + case Cause_PR_transport: + ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.transport = (*ref_notadmitted_action_array)[i].get_ricSubCause(); + break; + case Cause_PR_protocol: + ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.protocol= (*ref_notadmitted_action_array)[i].get_ricSubCause(); + break; + case Cause_PR_misc: + ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.misc = (*ref_notadmitted_action_array)[i].get_ricSubCause(); + break; + case Cause_PR_ricRequest: + ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.choice.ricRequest = (*ref_notadmitted_action_array)[i].get_ricSubCause(); + break; + default: + mdclog_write(MDCLOG_ERR, "Error :: %s, %d : Unknown RIC cause %d\n", __FILE__, __LINE__, cause); + break; + } + + ie_not_admitted_list[i].value.choice.RICaction_NotAdmitted_Item.cause.present = (Cause_PR)cause; + ASN_SEQUENCE_ADD(ric_not_admitted_actions_ie, &(ie_not_admitted_list[i])); + } + ASN_SEQUENCE_ADD(&subsFailure->protocolIEs, &(IE_array[ie_index])); + + } + if(this->getIEs().get_is_criticality_diagnostic()) { + ie_index++; + RICsubscriptionFailure_IEs_t *ies_criticdiag = &IE_array[ie_index]; + ies_criticdiag->criticality = Criticality_ignore; + ies_criticdiag->id = ProtocolIE_ID_id_CriticalityDiagnostics; + ies_criticdiag->value.present = RICsubscriptionFailure_IEs__value_PR_CriticalityDiagnostics; + CriticalityDiagnostics_t *critic_diag = &ies_criticdiag->value.choice.CriticalityDiagnostics; + + TriggeringMessage_t *tmsg = (TriggeringMessage_t*) calloc(1, sizeof(TriggeringMessage_t)); + *tmsg = this->getIEs().get_critical_diagnostic()->get_triggeringMessage(); + critic_diag->triggeringMessage= tmsg; + + RICrequestID_t *ricreq = (RICrequestID_t *)calloc(1, sizeof(RICrequestID_t)); + ricrequest_ie->ricRequestorID = this->getIEs().get_critical_diagnostic()->get_ricRequestorID(); + ricrequest_ie->ricInstanceID = this->getIEs().get_critical_diagnostic()->get_ricInstanceID(); + critic_diag->ricRequestorID = ricreq; + + ProcedureCode_t *pcode = (ProcedureCode_t*)calloc(1, sizeof(ProcedureCode_t)); + *pcode = this->getIEs().get_critical_diagnostic()->get_procedureCode(); + critic_diag->procedureCode =pcode; + + Criticality_t *pcritical = (Criticality_t*)calloc(1, sizeof(Criticality_t)); + *pcritical = this->getIEs().get_critical_diagnostic()->get_procedureCriticality(); + critic_diag->procedureCriticality = pcritical; + + + if(this->getIEs().get_critical_diagnostic()->get_is_criticalityDiagnostics_list()){ + + critic_diag->iEsCriticalityDiagnostics = (CriticalityDiagnostics_IE_List_t*)calloc(1, sizeof(CriticalityDiagnostics_IE_List_t)); + critic_diag->iEsCriticalityDiagnostics->list.count=0; + + int lst_count = this->getIEs().get_critical_diagnostic()->get_list_count(); + auto *lst = this->getIEs().get_critical_diagnostic()->get_list(); + CD_array = (CriticalityDiagnostics_IE_Item_t*)calloc(lst_count, sizeof(CriticalityDiagnostics_IE_Item_t)); + int i = 0; + for(auto l:*lst){ + CD_array[i].iE_ID = l.get_typeOferror(); + CD_array[i].typeOfError = l.get_ieID(); + CD_array[i].iECriticality = l.get_iEcriticality(); + int result = ASN_SEQUENCE_ADD(&(critic_diag->iEsCriticalityDiagnostics->list.array), &(CD_array[i])); + if (result == -1){ + _error_string = "Error : Unable to assign memory to add CriticalityDiagnostics_IE item to set up list"; + return false; + } + i++; + } + + } + ASN_SEQUENCE_ADD(&subsFailure->protocolIEs, &(IE_array[ie_index])); + + } + + + return true; +} + +E2APSubscriptionFailure::E2APSubscriptionFailure(unsigned char *buf, size_t *size){ + _e2ap_pdu_obj = 0; + _unsuccessMsg = 0; + IE_array = 0; + ie_not_admitted_list = 0; + + _failureIEs = std::make_unique(); + bool status = this->decode(buf, size); + if(!status) + throw "E2AP Subscription Failure Decode Failed: "+this->get_error(); +} +bool E2APSubscriptionFailure::decode(unsigned char *buf, size_t *size) +{ + + asn_dec_rval_t dec_res = asn_decode(0,ATS_ALIGNED_BASIC_PER, &asn_DEF_E2AP_PDU, (void**)&(_e2ap_pdu_obj), buf, *size); + if(dec_res.code != RC_OK){ + mdclog_write(MDCLOG_ERR, "Failed to decode: %s","RIC Subscription Failure"); + return false; + } else { + + mdclog_write(MDCLOG_INFO, "Successfully decoded: %s","RIC Subscription Failure"); + } + + _unsuccessMsg = _e2ap_pdu_obj->choice.unsuccessfulOutcome; + //write the decoding code. + + if (_unsuccessMsg == 0){ + _error_string = "Invalid reference to unsuccess message in get fields subscription failure"; + return false; + } + + RANfunctionID_t * ranfunctionid; + RICaction_NotAdmitted_List_t * ric_not_admitted_action_list; + RICrequestID_t* ricReq; + + for(int edx = 0; edx < _unsuccessMsg->value.choice.RICsubscriptionFailure.protocolIEs.list.count; edx++) { + RICsubscriptionFailure_IEs_t *memb_ptr = _unsuccessMsg->value.choice.RICsubscriptionFailure.protocolIEs.list.array[edx]; + + switch(memb_ptr->id) + { + case (ProtocolIE_ID_id_RICrequestID): + _failureIEs->set_ricRequestorID(memb_ptr->value.choice.RICrequestID.ricRequestorID); + _failureIEs->set_ricInstanceID(memb_ptr->value.choice.RICrequestID.ricInstanceID); + break; + case (ProtocolIE_ID_id_RANfunctionID): + _failureIEs->set_ranFunctionID(memb_ptr->value.choice.RANfunctionID); + break; + + + case (ProtocolIE_ID_id_RICactions_NotAdmitted): + ric_not_admitted_action_list = &memb_ptr->value.choice.RICaction_NotAdmitted_List; + + for(int index = 0; index < ric_not_admitted_action_list->list.count; index ++){ + RICaction_NotAdmitted_ItemIEs_t * item = (RICaction_NotAdmitted_ItemIEs_t *)ric_not_admitted_action_list->list.array[index]; + long int id = item->value.choice.RICaction_NotAdmitted_Item.ricActionID; + int cause = item->value.choice.RICaction_NotAdmitted_Item.cause.present; + int sub_cause; + switch(cause){ + + case Cause_PR_ricService : + sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.ricService; + break; + + case Cause_PR_transport : + sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.transport; + break; + + case Cause_PR_protocol : + sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.protocol; + break; + + case Cause_PR_misc : + sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.misc; + break; + + case Cause_PR_ricRequest : + sub_cause = item->value.choice.RICaction_NotAdmitted_Item.cause.choice.ricRequest; + break; + + default: + mdclog_write(MDCLOG_DEBUG, "Error ! Illegal cause enum %d", cause); + return false; + } + _notadmitlst.add(RICactionNotAdmittedList::RICactionNotAdmittedItemIEs().set_ricActionID(id).set_ricCause(cause).set_ricSubCause(sub_cause)); + this->getIEs().set_actionsNotAdmitted_list(_notadmitlst); + } + break; + + case (ProtocolIE_ID_id_CriticalityDiagnostics): + + _cdWrapperIEs.set_procedureCode(*(memb_ptr->value.choice.CriticalityDiagnostics.procedureCode)); + _cdWrapperIEs.set_procedureCriticality(*(memb_ptr->value.choice.CriticalityDiagnostics.procedureCriticality)); + _cdWrapperIEs.set_triggeringMessage(*(memb_ptr->value.choice.CriticalityDiagnostics.triggeringMessage)); + + + ricReq = (RICrequestID_t*)memb_ptr->value.choice.CriticalityDiagnostics.ricRequestorID; + _cdWrapperIEs.set_ricRequestorID(ricReq->ricRequestorID); + _cdWrapperIEs.set_ricInstanceID(ricReq->ricInstanceID); + + int lstcount = memb_ptr->value.choice.CriticalityDiagnostics.iEsCriticalityDiagnostics->list.count; + auto *lst = _failureIEs->get_critical_diagnostic()->get_list(); + for(int i=0; i < lstcount; i++){ + CriticalityDiagnosticsIEs tmpObj; + tmpObj.set_iEcriticality(memb_ptr->value.choice.CriticalityDiagnostics.iEsCriticalityDiagnostics->list.array[i]->iECriticality); + tmpObj.set_ieID(memb_ptr->value.choice.CriticalityDiagnostics.iEsCriticalityDiagnostics->list.array[i]->iE_ID); + tmpObj.set_typeOferror(memb_ptr->value.choice.CriticalityDiagnostics.iEsCriticalityDiagnostics->list.array[i]->typeOfError); + _cdWrapperIEs.add(tmpObj); + } + _failureIEs->set_critical_diagnostic(_cdWrapperIEs); + break; + + } + + } + + return true; +} + + + + + +