234 lines
8.9 KiB
C
234 lines
8.9 KiB
C
/*
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* Copyright (C) 2019 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 "nudm-handler.h"
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#include "sbi-path.h"
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#include "nas-path.h"
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int amf_nudm_sdm_handle_provisioned(
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amf_ue_t *amf_ue, ogs_sbi_message_t *recvmsg)
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{
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int i;
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ogs_assert(amf_ue);
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ogs_assert(recvmsg);
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SWITCH(recvmsg->h.resource.component[1])
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CASE(OGS_SBI_RESOURCE_NAME_AM_DATA)
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if (recvmsg->AccessAndMobilitySubscriptionData) {
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OpenAPI_list_t *gpsiList =
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recvmsg->AccessAndMobilitySubscriptionData->gpsis;
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OpenAPI_ambr_rm_t *SubscribedUeAmbr =
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recvmsg->AccessAndMobilitySubscriptionData->subscribed_ue_ambr;
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OpenAPI_nssai_t *NSSAI =
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recvmsg->AccessAndMobilitySubscriptionData->nssai;
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OpenAPI_lnode_t *node = NULL;
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/* Clear MSISDN */
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for (i = 0; i < amf_ue->num_of_msisdn; i++) {
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ogs_assert(amf_ue->msisdn[i]);
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ogs_free(amf_ue->msisdn[i]);
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}
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amf_ue->num_of_msisdn = 0;
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if (gpsiList) {
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OpenAPI_list_for_each(gpsiList, node) {
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if (node->data) {
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char *gpsi = NULL;
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gpsi = ogs_id_get_type(node->data);
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ogs_assert(gpsi);
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if (strncmp(gpsi, OGS_ID_GPSI_TYPE_MSISDN,
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strlen(OGS_ID_GPSI_TYPE_MSISDN)) != 0) {
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ogs_error("Unknown GPSI Type [%s]", gpsi);
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} else {
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amf_ue->msisdn[amf_ue->num_of_msisdn] =
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ogs_id_get_value(node->data);
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ogs_assert(amf_ue->msisdn[amf_ue->num_of_msisdn]);
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amf_ue->num_of_msisdn++;
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}
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ogs_free(gpsi);
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}
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}
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}
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/* Clear Subscribed-UE-AMBR */
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amf_ue->ue_ambr.uplink = 0;
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amf_ue->ue_ambr.downlink = 0;
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if (SubscribedUeAmbr) {
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amf_ue->ue_ambr.uplink =
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ogs_sbi_bitrate_from_string(SubscribedUeAmbr->uplink);
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amf_ue->ue_ambr.downlink =
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ogs_sbi_bitrate_from_string(SubscribedUeAmbr->downlink);
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}
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if (NSSAI) {
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OpenAPI_list_t *DefaultSingleNssaiList = NULL;
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OpenAPI_list_t *SingleNssaiList = NULL;
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/* Clear SubscribedInfo */
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amf_clear_subscribed_info(amf_ue);
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DefaultSingleNssaiList = NSSAI->default_single_nssais;
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if (DefaultSingleNssaiList) {
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OpenAPI_list_for_each(DefaultSingleNssaiList, node) {
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OpenAPI_snssai_t *Snssai = node->data;
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ogs_slice_data_t *slice =
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&amf_ue->slice[amf_ue->num_of_slice];
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if (Snssai) {
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slice->s_nssai.sst = Snssai->sst;
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slice->s_nssai.sd =
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ogs_s_nssai_sd_from_string(Snssai->sd);
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}
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/* DEFAULT S-NSSAI */
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slice->default_indicator = true;
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amf_ue->num_of_slice++;
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}
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SingleNssaiList = NSSAI->single_nssais;
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if (SingleNssaiList) {
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OpenAPI_list_for_each(SingleNssaiList, node) {
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OpenAPI_snssai_t *Snssai = node->data;
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ogs_slice_data_t *slice =
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&amf_ue->slice[amf_ue->num_of_slice];
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if (Snssai) {
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slice->s_nssai.sst = Snssai->sst;
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slice->s_nssai.sd =
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ogs_s_nssai_sd_from_string(Snssai->sd);
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}
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/* Non default S-NSSAI */
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slice->default_indicator = false;
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amf_ue->num_of_slice++;
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}
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}
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}
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}
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}
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if (amf_update_allowed_nssai(amf_ue) == false) {
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ogs_error("No Allowed-NSSAI");
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return OGS_ERROR;
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}
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ogs_assert(true ==
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amf_ue_sbi_discover_and_send(
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OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL,
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amf_nudm_sdm_build_get,
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amf_ue, (char *)OGS_SBI_RESOURCE_NAME_SMF_SELECT_DATA));
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break;
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CASE(OGS_SBI_RESOURCE_NAME_SMF_SELECT_DATA)
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if (recvmsg->SmfSelectionSubscriptionData) {
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OpenAPI_list_t *SubscribedSnssaiInfoList = NULL;
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OpenAPI_map_t *SubscribedSnssaiInfoMap = NULL;
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OpenAPI_snssai_info_t *SubscribedSnssaiInfo = NULL;
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OpenAPI_list_t *DnnInfoList = NULL;
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OpenAPI_dnn_info_t *DnnInfo = NULL;
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OpenAPI_lnode_t *node = NULL, *node2 = NULL;
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SubscribedSnssaiInfoList = recvmsg->
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SmfSelectionSubscriptionData->subscribed_snssai_infos;
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if (SubscribedSnssaiInfoList) {
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OpenAPI_list_for_each(SubscribedSnssaiInfoList, node) {
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SubscribedSnssaiInfoMap = node->data;
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if (SubscribedSnssaiInfoMap &&
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SubscribedSnssaiInfoMap->key) {
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ogs_slice_data_t *slice = NULL;
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ogs_s_nssai_t s_nssai;
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bool rc = ogs_sbi_s_nssai_from_string(
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&s_nssai, SubscribedSnssaiInfoMap->key);
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if (rc == false) {
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ogs_error("Invalid S-NSSAI format [%s]",
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SubscribedSnssaiInfoMap->key);
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continue;
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}
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slice = ogs_slice_find_by_s_nssai(
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amf_ue->slice, amf_ue->num_of_slice,
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&s_nssai);
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if (!slice) {
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ogs_error("Cannt find S-NSSAI[SST:%d SD:0x%x]",
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s_nssai.sst, s_nssai.sd.v);
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continue;
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}
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SubscribedSnssaiInfo = SubscribedSnssaiInfoMap->value;
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if (SubscribedSnssaiInfo) {
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DnnInfoList = SubscribedSnssaiInfo->dnn_infos;
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if (DnnInfoList) {
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OpenAPI_list_for_each(DnnInfoList, node2) {
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DnnInfo = node2->data;
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if (DnnInfo) {
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ogs_session_t *session =
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&slice->session
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[slice->num_of_session];
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session->name =
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ogs_strdup(DnnInfo->dnn);
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ogs_assert(session->name);
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if (DnnInfo->is_default_dnn_indicator ==
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true) {
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session->default_dnn_indicator =
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DnnInfo->default_dnn_indicator;
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}
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slice->num_of_session++;
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}
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}
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}
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}
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}
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}
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}
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}
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ogs_assert(true ==
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amf_ue_sbi_discover_and_send(
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OGS_SBI_SERVICE_TYPE_NUDM_SDM, NULL,
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amf_nudm_sdm_build_get,
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amf_ue, (char *)OGS_SBI_RESOURCE_NAME_UE_CONTEXT_IN_SMF_DATA));
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break;
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CASE(OGS_SBI_RESOURCE_NAME_UE_CONTEXT_IN_SMF_DATA)
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ogs_assert(true ==
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amf_ue_sbi_discover_and_send(
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OGS_SBI_SERVICE_TYPE_NPCF_AM_POLICY_CONTROL, NULL,
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amf_npcf_am_policy_control_build_create, amf_ue, NULL));
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break;
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DEFAULT
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END
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return OGS_OK;
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}
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