open5gs/src/pcf/nnrf-handler.c

103 lines
3.3 KiB
C

/*
* Copyright (C) 2019-2022 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "sbi-path.h"
#include "nnrf-handler.h"
void pcf_nnrf_handle_nf_discover(
ogs_sbi_xact_t *xact, ogs_sbi_message_t *recvmsg)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_sbi_object_t *sbi_object = NULL;
ogs_sbi_service_type_e service_type = OGS_SBI_SERVICE_TYPE_NULL;
ogs_sbi_discovery_option_t *discovery_option = NULL;
ogs_sbi_stream_t *stream = NULL;
pcf_ue_t *pcf_ue = NULL;
pcf_sess_t *sess = NULL;
OpenAPI_nf_type_e target_nf_type = OpenAPI_nf_type_NULL;
OpenAPI_search_result_t *SearchResult = NULL;
ogs_assert(recvmsg);
ogs_assert(xact);
sbi_object = xact->sbi_object;
ogs_assert(sbi_object);
service_type = xact->service_type;
ogs_assert(service_type);
target_nf_type = ogs_sbi_service_type_to_nf_type(service_type);
ogs_assert(target_nf_type);
discovery_option = xact->discovery_option;
stream = xact->assoc_stream;
SearchResult = recvmsg->SearchResult;
if (!SearchResult) {
ogs_error("No SearchResult");
return;
}
if (sbi_object->type == OGS_SBI_OBJ_UE_TYPE) {
pcf_ue = (pcf_ue_t *)sbi_object;
ogs_assert(pcf_ue);
} else if (sbi_object->type == OGS_SBI_OBJ_SESS_TYPE) {
sess = (pcf_sess_t *)sbi_object;
ogs_assert(sess);
pcf_ue = sess->pcf_ue;
ogs_assert(pcf_ue);
} else {
ogs_fatal("(NF discover) Not implemented [%s:%d]",
ogs_sbi_service_type_to_name(service_type), sbi_object->type);
ogs_assert_if_reached();
}
ogs_nnrf_handle_nf_discover_search_result(SearchResult);
nf_instance = ogs_sbi_nf_instance_find_by_discovery_param(
target_nf_type, discovery_option);
if (!nf_instance) {
ogs_error("[%s:%d] (NF discover) No [%s]",
pcf_ue ? pcf_ue->supi : "Unknown",
sess ? sess->psi : 0,
ogs_sbi_service_type_to_name(service_type));
return;
}
OGS_SBI_SETUP_NF_INSTANCE(
sbi_object->service_type_array[service_type], nf_instance);
switch (service_type) {
case OGS_SBI_SERVICE_TYPE_NPCF_POLICYAUTHORIZATION:
ogs_sbi_xact_remove(xact);
ogs_assert(sess);
ogs_assert(stream);
ogs_assert(true ==
pcf_sess_sbi_discover_and_send(
OGS_SBI_SERVICE_TYPE_NBSF_MANAGEMENT, NULL,
pcf_nbsf_management_build_register,
sess, stream, nf_instance));
break;
default:
ogs_assert(xact->request);
ogs_expect(true == pcf_sbi_send_request(nf_instance, xact));
break;
}
}