511 lines
18 KiB
C
511 lines
18 KiB
C
/*
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* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "nsmf-build.h"
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ogs_sbi_request_t *amf_nsmf_pdusession_build_create_sm_context(
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amf_sess_t *sess, void *data)
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{
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ogs_sbi_message_t message;
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ogs_sbi_request_t *request = NULL;
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ogs_sbi_server_t *server = NULL;
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ogs_sbi_header_t header;
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amf_ue_t *amf_ue = NULL;
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OpenAPI_sm_context_create_data_t SmContextCreateData;
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OpenAPI_snssai_t sNssai;
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OpenAPI_snssai_t hplmnSnssai;
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OpenAPI_ref_to_binary_data_t n1SmMsg;
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OpenAPI_user_location_t ueLocation;
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ogs_sbi_nf_instance_t *pcf_nf_instance = NULL;
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ogs_assert(sess);
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amf_ue = sess->amf_ue;
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ogs_assert(amf_ue);
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ogs_assert(amf_ue->nas.access_type);
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memset(&message, 0, sizeof(message));
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message.h.method = (char *)OGS_SBI_HTTP_METHOD_POST;
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message.h.service.name = (char *)OGS_SBI_SERVICE_NAME_NSMF_PDUSESSION;
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message.h.api.version = (char *)OGS_SBI_API_V1;
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message.h.resource.component[0] =
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(char *)OGS_SBI_RESOURCE_NAME_SM_CONTEXTS;
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memset(&SmContextCreateData, 0, sizeof(SmContextCreateData));
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ogs_assert(ogs_sbi_self()->nf_instance);
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SmContextCreateData.serving_nf_id = ogs_sbi_self()->nf_instance->id;
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SmContextCreateData.serving_network =
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ogs_sbi_build_plmn_id_nid(&amf_ue->nr_tai.plmn_id);
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ogs_expect_or_return_val(SmContextCreateData.serving_network, NULL);
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SmContextCreateData.supi = amf_ue->supi;
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SmContextCreateData.pei = amf_ue->pei;
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if (amf_ue->num_of_msisdn) {
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if (amf_ue->msisdn[0]) {
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SmContextCreateData.gpsi = ogs_msprintf("%s-%s",
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OGS_ID_GPSI_TYPE_MSISDN, amf_ue->msisdn[0]);
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ogs_expect_or_return_val(SmContextCreateData.gpsi, NULL);
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}
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}
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SmContextCreateData.is_pdu_session_id = true;
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SmContextCreateData.pdu_session_id = sess->psi;
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ogs_expect_or_return_val(sess->dnn, NULL);
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SmContextCreateData.dnn = sess->dnn;
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memset(&sNssai, 0, sizeof(sNssai));
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sNssai.sst = sess->s_nssai.sst;
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sNssai.sd = ogs_s_nssai_sd_to_string(sess->s_nssai.sd);
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SmContextCreateData.s_nssai = &sNssai;
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memset(&hplmnSnssai, 0, sizeof(hplmnSnssai));
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if (sess->mapped_hplmn.sst) {
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hplmnSnssai.sst = sess->mapped_hplmn.sst;
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hplmnSnssai.sd = ogs_s_nssai_sd_to_string(sess->mapped_hplmn.sd);
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SmContextCreateData.hplmn_snssai = &hplmnSnssai;
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}
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SmContextCreateData.guami = ogs_sbi_build_guami(amf_ue->guami);
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ogs_expect_or_return_val(SmContextCreateData.guami, NULL);
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SmContextCreateData.an_type = amf_ue->nas.access_type;
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memset(&header, 0, sizeof(header));
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header.service.name = (char *)OGS_SBI_SERVICE_NAME_NAMF_CALLBACK;
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header.api.version = (char *)OGS_SBI_API_V1;
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header.resource.component[0] = amf_ue->supi;
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header.resource.component[1] =
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(char *)OGS_SBI_RESOURCE_NAME_SM_CONTEXT_STATUS;
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header.resource.component[2] = ogs_msprintf("%d", sess->psi);
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ogs_expect_or_return_val(header.resource.component[2], NULL);
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server = ogs_list_first(&ogs_sbi_self()->server_list);
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ogs_expect_or_return_val(server, NULL);
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SmContextCreateData.sm_context_status_uri =
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ogs_sbi_server_uri(server, &header);
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n1SmMsg.content_id = (char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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SmContextCreateData.n1_sm_msg = &n1SmMsg;
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SmContextCreateData.rat_type = amf_ue_rat_type(amf_ue);
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memset(&ueLocation, 0, sizeof(ueLocation));
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ueLocation.nr_location = ogs_sbi_build_nr_location(
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&amf_ue->nr_tai, &amf_ue->nr_cgi);
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ogs_expect_or_return_val(ueLocation.nr_location, NULL);
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ueLocation.nr_location->ue_location_timestamp =
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ogs_sbi_gmtime_string(amf_ue->ue_location_timestamp);
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ogs_expect_or_return_val(
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ueLocation.nr_location->ue_location_timestamp, NULL);
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SmContextCreateData.ue_location = &ueLocation;
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SmContextCreateData.ue_time_zone = ogs_sbi_timezone_string(ogs_timezone());
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ogs_expect_or_return_val(SmContextCreateData.ue_time_zone, NULL);
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pcf_nf_instance = amf_ue->sbi.service_type_array[
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OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL].nf_instance;
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ogs_expect_or_return_val(pcf_nf_instance, NULL);
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SmContextCreateData.pcf_id = pcf_nf_instance->id;
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message.SmContextCreateData = &SmContextCreateData;
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message.part[message.num_of_part].pkbuf = sess->payload_container;
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if (message.part[message.num_of_part].pkbuf) {
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message.part[message.num_of_part].content_id =
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(char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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message.part[message.num_of_part].content_type =
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(char *)OGS_SBI_CONTENT_5GNAS_TYPE;
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message.num_of_part++;
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}
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message.http.accept = (char *)(OGS_SBI_CONTENT_JSON_TYPE ","
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OGS_SBI_CONTENT_NGAP_TYPE "," OGS_SBI_CONTENT_PROBLEM_TYPE);
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request = ogs_sbi_build_request(&message);
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ogs_expect(request);
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if (SmContextCreateData.serving_network)
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ogs_sbi_free_plmn_id_nid(SmContextCreateData.serving_network);
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ogs_free(SmContextCreateData.sm_context_status_uri);
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ogs_free(header.resource.component[2]);
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if (sNssai.sd)
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ogs_free(sNssai.sd);
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if (hplmnSnssai.sd)
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ogs_free(hplmnSnssai.sd);
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if (SmContextCreateData.guami)
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ogs_sbi_free_guami(SmContextCreateData.guami);
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if (SmContextCreateData.gpsi)
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ogs_free(SmContextCreateData.gpsi);
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if (ueLocation.nr_location) {
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if (ueLocation.nr_location->ue_location_timestamp)
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ogs_free(ueLocation.nr_location->ue_location_timestamp);
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ogs_sbi_free_nr_location(ueLocation.nr_location);
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}
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if (SmContextCreateData.ue_time_zone)
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ogs_free(SmContextCreateData.ue_time_zone);
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return request;
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}
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ogs_sbi_request_t *amf_nsmf_pdusession_build_update_sm_context(
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amf_sess_t *sess, void *data)
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{
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amf_nsmf_pdusession_sm_context_param_t *param = data;
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ogs_sbi_message_t message;
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ogs_sbi_request_t *request = NULL;
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OpenAPI_sm_context_update_data_t SmContextUpdateData;
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OpenAPI_ref_to_binary_data_t n1SmMsg;
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OpenAPI_ref_to_binary_data_t n2SmInfo;
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OpenAPI_ng_ap_cause_t ngApCause;
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OpenAPI_user_location_t ueLocation;
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amf_ue_t *amf_ue = NULL;
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ogs_assert(param);
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ogs_assert(sess);
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ogs_assert(sess->sm_context_ref);
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amf_ue = sess->amf_ue;
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ogs_assert(amf_ue);
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memset(&message, 0, sizeof(message));
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message.h.method = (char *)OGS_SBI_HTTP_METHOD_POST;
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message.h.service.name = (char *)OGS_SBI_SERVICE_NAME_NSMF_PDUSESSION;
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message.h.api.version = (char *)OGS_SBI_API_V1;
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message.h.resource.component[0] = (char *)OGS_SBI_RESOURCE_NAME_SM_CONTEXTS;
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message.h.resource.component[1] = sess->sm_context_ref;
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message.h.resource.component[2] = (char *)OGS_SBI_RESOURCE_NAME_MODIFY;
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memset(&SmContextUpdateData, 0, sizeof(SmContextUpdateData));
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message.SmContextUpdateData = &SmContextUpdateData;
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message.num_of_part = 0;
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if (param->n1smbuf) {
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n1SmMsg.content_id = (char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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SmContextUpdateData.n1_sm_msg = &n1SmMsg;
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message.part[message.num_of_part].pkbuf = param->n1smbuf;
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message.part[message.num_of_part].content_id =
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(char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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message.part[message.num_of_part].content_type =
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(char *)OGS_SBI_CONTENT_5GNAS_TYPE;
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message.num_of_part++;
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}
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if (param->n2smbuf) {
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ogs_expect_or_return_val(param->n2SmInfoType, NULL);
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SmContextUpdateData.n2_sm_info_type = param->n2SmInfoType;
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SmContextUpdateData.n2_sm_info = &n2SmInfo;
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memset(&n2SmInfo, 0, sizeof(n2SmInfo));
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n2SmInfo.content_id = (char *)OGS_SBI_CONTENT_NGAP_SM_ID;
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message.part[message.num_of_part].pkbuf = param->n2smbuf;
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message.part[message.num_of_part].content_id =
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(char *)OGS_SBI_CONTENT_NGAP_SM_ID;
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message.part[message.num_of_part].content_type =
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(char *)OGS_SBI_CONTENT_NGAP_TYPE;
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message.num_of_part++;
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}
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SmContextUpdateData.up_cnx_state = param->upCnxState;
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SmContextUpdateData.ho_state = param->hoState;
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if (param->TargetID) {
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SmContextUpdateData.target_id =
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amf_nsmf_pdusession_build_target_id(param->TargetID);
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ogs_expect_or_return_val(SmContextUpdateData.target_id, NULL);
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}
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if (param->ngApCause.group) {
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SmContextUpdateData.ng_ap_cause = &ngApCause;
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memset(&ngApCause, 0, sizeof(ngApCause));
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ngApCause.group = param->ngApCause.group;
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ngApCause.value = param->ngApCause.value;
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}
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memset(&ueLocation, 0, sizeof(ueLocation));
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if (param->ue_location) {
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ueLocation.nr_location = ogs_sbi_build_nr_location(
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&amf_ue->nr_tai, &amf_ue->nr_cgi);
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ogs_expect_or_return_val(ueLocation.nr_location, NULL);
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ueLocation.nr_location->ue_location_timestamp =
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ogs_sbi_gmtime_string(amf_ue->ue_location_timestamp);
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ogs_expect_or_return_val(
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ueLocation.nr_location->ue_location_timestamp, NULL);
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SmContextUpdateData.ue_location = &ueLocation;
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}
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if (param->ue_timezone) {
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SmContextUpdateData.ue_time_zone =
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ogs_sbi_timezone_string(ogs_timezone());
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ogs_expect_or_return_val(SmContextUpdateData.ue_time_zone, NULL);
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}
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if (param->release) {
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SmContextUpdateData.is_release = true;
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SmContextUpdateData.release = param->release;
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}
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SmContextUpdateData.cause = param->cause;
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request = ogs_sbi_build_request(&message);
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ogs_expect(request);
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if (ueLocation.nr_location) {
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if (ueLocation.nr_location->ue_location_timestamp)
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ogs_free(ueLocation.nr_location->ue_location_timestamp);
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ogs_sbi_free_nr_location(ueLocation.nr_location);
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}
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if (SmContextUpdateData.ue_time_zone)
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ogs_free(SmContextUpdateData.ue_time_zone);
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if (SmContextUpdateData.target_id)
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amf_nsmf_pdusession_free_target_id(SmContextUpdateData.target_id);
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return request;
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}
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ogs_sbi_request_t *amf_nsmf_pdusession_build_release_sm_context(
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amf_sess_t *sess, void *data)
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{
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amf_nsmf_pdusession_sm_context_param_t *param = data;
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ogs_sbi_message_t message;
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ogs_sbi_request_t *request = NULL;
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amf_ue_t *amf_ue = NULL;
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OpenAPI_sm_context_release_data_t SmContextReleaseData;
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OpenAPI_ng_ap_cause_t ngApCause;
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OpenAPI_user_location_t ueLocation;
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ogs_assert(sess);
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ogs_assert(sess->sm_context_ref);
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amf_ue = sess->amf_ue;
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ogs_assert(amf_ue);
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memset(&message, 0, sizeof(message));
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message.h.method = (char *)OGS_SBI_HTTP_METHOD_POST;
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message.h.service.name = (char *)OGS_SBI_SERVICE_NAME_NSMF_PDUSESSION;
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message.h.api.version = (char *)OGS_SBI_API_V1;
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message.h.resource.component[0] =
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(char *)OGS_SBI_RESOURCE_NAME_SM_CONTEXTS;
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message.h.resource.component[1] = sess->sm_context_ref;
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message.h.resource.component[2] = (char *)OGS_SBI_RESOURCE_NAME_RELEASE;
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memset(&SmContextReleaseData, 0, sizeof(SmContextReleaseData));
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if (param) {
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SmContextReleaseData.cause = param->cause;
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if (param->ngApCause.group) {
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SmContextReleaseData.ng_ap_cause = &ngApCause;
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memset(&ngApCause, 0, sizeof(ngApCause));
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ngApCause.group = param->ngApCause.group;
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ngApCause.value = param->ngApCause.value;
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}
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SmContextReleaseData._5g_mm_cause_value = param->gmm_cause;
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}
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memset(&ueLocation, 0, sizeof(ueLocation));
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ueLocation.nr_location = ogs_sbi_build_nr_location(
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&amf_ue->nr_tai, &amf_ue->nr_cgi);
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ogs_expect_or_return_val(ueLocation.nr_location, NULL);
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ueLocation.nr_location->ue_location_timestamp =
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ogs_sbi_gmtime_string(amf_ue->ue_location_timestamp);
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ogs_expect_or_return_val(
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ueLocation.nr_location->ue_location_timestamp, NULL);
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SmContextReleaseData.ue_location = &ueLocation;
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SmContextReleaseData.ue_time_zone = ogs_sbi_timezone_string(ogs_timezone());
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ogs_expect_or_return_val(SmContextReleaseData.ue_time_zone, NULL);
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message.SmContextReleaseData = &SmContextReleaseData;
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request = ogs_sbi_build_request(&message);
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ogs_expect(request);
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if (ueLocation.nr_location) {
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if (ueLocation.nr_location->ue_location_timestamp)
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ogs_free(ueLocation.nr_location->ue_location_timestamp);
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ogs_sbi_free_nr_location(ueLocation.nr_location);
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}
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if (SmContextReleaseData.ue_time_zone)
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ogs_free(SmContextReleaseData.ue_time_zone);
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return request;
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}
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ogs_sbi_request_t *amf_nsmf_callback_build_n1_n2_failure_notify(
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amf_sess_t *sess, OpenAPI_n1_n2_message_transfer_cause_e cause)
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{
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ogs_sbi_message_t message;
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ogs_sbi_request_t *request = NULL;
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OpenAPI_n1_n2_msg_txfr_failure_notification_t
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N1N2MsgTxfrFailureNotification;
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ogs_assert(sess);
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ogs_assert(sess->paging.ongoing == true);
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ogs_assert(sess->paging.location);
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ogs_assert(sess->paging.n1n2_failure_txf_notif_uri);
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ogs_assert(cause);
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memset(&message, 0, sizeof(message));
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message.h.method = (char *)OGS_SBI_HTTP_METHOD_POST;
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message.h.uri = sess->paging.n1n2_failure_txf_notif_uri;
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memset(&N1N2MsgTxfrFailureNotification,
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0, sizeof(N1N2MsgTxfrFailureNotification));
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N1N2MsgTxfrFailureNotification.cause = cause;
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if (sess->paging.location) {
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N1N2MsgTxfrFailureNotification.n1n2_msg_data_uri =
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sess->paging.location;
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} else {
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/* TS29.518 6.1.6.2.30 Type: N1N2MsgTxfrFailureNotification
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*
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* If no Location header was returned when the N1/N2
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* message transfer was initiated, e.g. when a 200 OK
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* response was sent for a UE in RRC inactive state,
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* this IE shall be set to a dummy URI, i.e. an URI with
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* no authority and an empty path (e.g. "http:").
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*/
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N1N2MsgTxfrFailureNotification.n1n2_msg_data_uri = (char *)"http:";
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}
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message.N1N2MsgTxfrFailureNotification = &N1N2MsgTxfrFailureNotification;
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request = ogs_sbi_build_request(&message);
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ogs_expect(request);
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return request;
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}
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OpenAPI_ng_ran_target_id_t *amf_nsmf_pdusession_build_target_id(
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NGAP_TargetID_t *TargetID)
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{
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ogs_plmn_id_t plmn_id;
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ogs_5gs_tai_t nr_tai;
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NGAP_TargetRANNodeID_t *targetRANNodeID = NULL;
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NGAP_GlobalRANNodeID_t *globalRANNodeID = NULL;
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NGAP_GlobalGNB_ID_t *globalGNB_ID = NULL;
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OpenAPI_ng_ran_target_id_t *targetId = NULL;
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OpenAPI_global_ran_node_id_t *ranNodeId = NULL;
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OpenAPI_gnb_id_t *gNbId = NULL;
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OpenAPI_tai_t *tai = NULL;
|
|
|
|
ogs_assert(TargetID);
|
|
|
|
if (TargetID->present != NGAP_TargetID_PR_targetRANNodeID) {
|
|
ogs_error("Not implemented TargetID[%d]", TargetID->present);
|
|
return NULL;
|
|
}
|
|
targetRANNodeID = TargetID->choice.targetRANNodeID;
|
|
if (!targetRANNodeID) {
|
|
ogs_error("No targetRANNodeID");
|
|
return NULL;
|
|
}
|
|
|
|
globalRANNodeID = &targetRANNodeID->globalRANNodeID;
|
|
if (globalRANNodeID->present != NGAP_GlobalRANNodeID_PR_globalGNB_ID) {
|
|
ogs_error("Not implemented globalRANNodeID[%d]",
|
|
globalRANNodeID->present);
|
|
return NULL;
|
|
}
|
|
|
|
globalGNB_ID = globalRANNodeID->choice.globalGNB_ID;
|
|
if (!globalGNB_ID) {
|
|
ogs_error("No globalGNB_ID");
|
|
return NULL;
|
|
}
|
|
|
|
targetId = ogs_calloc(1, sizeof(*targetId));
|
|
ogs_expect_or_return_val(targetId, NULL);
|
|
|
|
targetId->ran_node_id = ranNodeId = ogs_calloc(1, sizeof(*ranNodeId));;
|
|
ogs_expect_or_return_val(ranNodeId, NULL);
|
|
|
|
memcpy(&plmn_id, globalGNB_ID->pLMNIdentity.buf, OGS_PLMN_ID_LEN);
|
|
ranNodeId->plmn_id = ogs_sbi_build_plmn_id(&plmn_id);
|
|
ogs_expect_or_return_val(ranNodeId->plmn_id, NULL);
|
|
|
|
ranNodeId->g_nb_id = gNbId = ogs_calloc(1, sizeof(*gNbId));
|
|
ogs_expect_or_return_val(gNbId, NULL);
|
|
|
|
gNbId->g_nb_value = ogs_calloc(
|
|
1, OGS_KEYSTRLEN(globalGNB_ID->gNB_ID.choice.gNB_ID.size));
|
|
ogs_expect_or_return_val(gNbId->g_nb_value, NULL);
|
|
ogs_hex_to_ascii(
|
|
globalGNB_ID->gNB_ID.choice.gNB_ID.buf,
|
|
globalGNB_ID->gNB_ID.choice.gNB_ID.size,
|
|
gNbId->g_nb_value,
|
|
OGS_KEYSTRLEN(globalGNB_ID->gNB_ID.choice.gNB_ID.size));
|
|
gNbId->bit_length = 32 - globalGNB_ID->gNB_ID.choice.gNB_ID.bits_unused;
|
|
|
|
targetId->tai = tai = ogs_calloc(1, sizeof(*tai));;
|
|
ogs_expect_or_return_val(tai, NULL);
|
|
|
|
ogs_ngap_ASN_to_5gs_tai(&targetRANNodeID->selectedTAI, &nr_tai);
|
|
tai->plmn_id = ogs_sbi_build_plmn_id(&nr_tai.plmn_id);
|
|
ogs_expect_or_return_val(tai->plmn_id, NULL);
|
|
tai->tac = ogs_uint24_to_0string(nr_tai.tac);
|
|
ogs_expect_or_return_val(tai->tac, NULL);
|
|
|
|
return targetId;
|
|
}
|
|
|
|
void amf_nsmf_pdusession_free_target_id(OpenAPI_ng_ran_target_id_t *targetId)
|
|
{
|
|
ogs_assert(targetId);
|
|
|
|
if (targetId->ran_node_id) {
|
|
OpenAPI_global_ran_node_id_t *ranNodeId = targetId->ran_node_id;
|
|
OpenAPI_tai_t *tai = targetId->tai;
|
|
|
|
if (ranNodeId) {
|
|
if (ranNodeId->plmn_id)
|
|
OpenAPI_plmn_id_free(ranNodeId->plmn_id);
|
|
if (ranNodeId->g_nb_id) {
|
|
OpenAPI_gnb_id_t *gNbId = ranNodeId->g_nb_id;
|
|
if (gNbId->g_nb_value)
|
|
ogs_free(gNbId->g_nb_value);
|
|
ogs_free(gNbId);
|
|
}
|
|
ogs_free(ranNodeId);
|
|
}
|
|
|
|
if (tai) {
|
|
if (tai->plmn_id)
|
|
OpenAPI_plmn_id_free(tai->plmn_id);
|
|
if (tai->tac)
|
|
ogs_free(tai->tac);
|
|
ogs_free(tai);
|
|
}
|
|
}
|
|
ogs_free(targetId);
|
|
}
|