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/*
* 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"
int ausf_sbi_open(void)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_sbi_nf_service_t *service = NULL;
/* Initialize SELF NF instance */
nf_instance = ogs_sbi_self()->nf_instance;
ogs_assert(nf_instance);
ogs_sbi_nf_fsm_init(nf_instance);
/* Build NF instance information. It will be transmitted to NRF. */
ogs_sbi_nf_instance_build_default(nf_instance);
ogs_sbi_nf_instance_add_allowed_nf_type(nf_instance, OpenAPI_nf_type_SCP);
ogs_sbi_nf_instance_add_allowed_nf_type(nf_instance, OpenAPI_nf_type_AMF);
/* Build NF service information. It will be transmitted to NRF. */
if (ogs_sbi_nf_service_is_available(OGS_SBI_SERVICE_NAME_NAUSF_AUTH)) {
service = ogs_sbi_nf_service_build_default(
nf_instance, OGS_SBI_SERVICE_NAME_NAUSF_AUTH);
ogs_assert(service);
ogs_sbi_nf_service_add_version(
service, OGS_SBI_API_V1, OGS_SBI_API_V1_0_0, NULL);
ogs_sbi_nf_service_add_allowed_nf_type(service, OpenAPI_nf_type_AMF);
}
/* Initialize NRF NF Instance */
nf_instance = ogs_sbi_self()->nrf_instance;
if (nf_instance)
ogs_sbi_nf_fsm_init(nf_instance);
/* Setup Subscription-Data */
ogs_sbi_subscription_spec_add(OpenAPI_nf_type_SEPP, NULL);
ogs_sbi_subscription_spec_add(
OpenAPI_nf_type_NULL, OGS_SBI_SERVICE_NAME_NUDM_UEAU);
if (ogs_sbi_server_start_all(ogs_sbi_server_handler) != OGS_OK)
return OGS_ERROR;
return OGS_OK;
}
void ausf_sbi_close(void)
{
ogs_sbi_client_stop_all();
ogs_sbi_server_stop_all();
}
bool ausf_sbi_send_request(
ogs_sbi_nf_instance_t *nf_instance, ogs_sbi_xact_t *xact)
{
ogs_assert(nf_instance);
ogs_assert(xact);
return ogs_sbi_send_request_to_nf_instance(nf_instance, xact);
}
int ausf_sbi_discover_and_send(
ogs_sbi_service_type_e service_type,
ogs_sbi_discovery_option_t *discovery_option,
ogs_sbi_request_t *(*build)(ausf_ue_t *ausf_ue, void *data),
ausf_ue_t *ausf_ue, ogs_sbi_stream_t *stream, void *data)
{
ogs_sbi_xact_t *xact = NULL;
int r;
ogs_assert(service_type);
ogs_assert(ausf_ue);
ogs_assert(stream);
ogs_assert(build);
ogs_assert(ausf_ue->id >= OGS_MIN_POOL_ID &&
ausf_ue->id <= OGS_MAX_POOL_ID);
xact = ogs_sbi_xact_add(
ausf_ue->id, &ausf_ue->sbi, service_type, discovery_option,
(ogs_sbi_build_f)build, ausf_ue, data);
if (!xact) {
ogs_error("ausf_sbi_discover_and_send() failed");
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT, NULL,
"Cannot discover", ausf_ue->suci, NULL));
return OGS_ERROR;
}
xact->assoc_stream_id = ogs_sbi_id_from_stream(stream);
ogs_assert(xact->assoc_stream_id >= OGS_MIN_POOL_ID &&
xact->assoc_stream_id <= OGS_MAX_POOL_ID);
r = ogs_sbi_discover_and_send(xact);
if (r != OGS_OK) {
ogs_error("ausf_sbi_discover_and_send() failed");
ogs_sbi_xact_remove(xact);
ogs_assert(true ==
ogs_sbi_server_send_error(stream,
OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT, NULL,
"Cannot discover", ausf_ue->suci, NULL));
return r;
}
return OGS_OK;
}
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