2020-06-04 18:12:05 +00:00
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/*
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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 "sbi-path.h"
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static int server_cb(ogs_sbi_server_t *server,
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ogs_sbi_session_t *session, ogs_sbi_request_t *request)
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{
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udm_event_t *e = NULL;
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int rv;
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ogs_assert(session);
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ogs_assert(request);
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e = udm_event_new(UDM_EVT_SBI_SERVER);
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ogs_assert(e);
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e->sbi.server = server;
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e->sbi.session = session;
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e->sbi.request = request;
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rv = ogs_queue_push(udm_self()->queue, e);
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if (rv != OGS_OK) {
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ogs_warn("ogs_queue_push() failed:%d", (int)rv);
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udm_event_free(e);
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return OGS_ERROR;
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}
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return OGS_OK;
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}
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static int client_cb(ogs_sbi_response_t *response, void *data)
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{
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udm_event_t *e = NULL;
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int rv;
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ogs_assert(response);
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e = udm_event_new(UDM_EVT_SBI_CLIENT);
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ogs_assert(e);
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e->sbi.response = response;
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e->sbi.data = data;
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rv = ogs_queue_push(udm_self()->queue, e);
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if (rv != OGS_OK) {
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ogs_warn("ogs_queue_push() failed:%d", (int)rv);
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udm_event_free(e);
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return OGS_ERROR;
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}
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return OGS_OK;
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}
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int udm_sbi_open(void)
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{
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ogs_sbi_nf_instance_t *nf_instance = NULL;
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ogs_sbi_server_start_all(server_cb);
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2020-07-09 05:38:09 +00:00
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/*
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* The connection between NF and NRF is a little special.
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*
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* NF and NRF share nf_instance. I get the NRF EndPoint(client) information
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* the configuration file via lib/sbi/context.c.
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* And, the NFService information will be transmitted to NRF.
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*
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* ogs_sbi_self()->nf_instance_id means NF's InstanceId.
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*/
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2020-06-04 18:12:05 +00:00
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ogs_list_for_each(&ogs_sbi_self()->nf_instance_list, nf_instance) {
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ogs_sbi_nf_service_t *service = NULL;
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2020-07-09 05:38:09 +00:00
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ogs_sbi_client_t *client = NULL;
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2020-06-04 18:12:05 +00:00
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2020-07-09 05:38:09 +00:00
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/* Build NF instance information. It will be transmitted to NRF. */
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2020-06-04 18:12:05 +00:00
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ogs_sbi_nf_instance_build_default(nf_instance, udm_self()->nf_type);
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2020-07-09 05:38:09 +00:00
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/* Build NF service information. It will be transmitted to NRF. */
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2020-06-04 18:12:05 +00:00
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service = ogs_sbi_nf_service_build_default(nf_instance,
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(char*)OGS_SBI_SERVICE_NAME_NUDM_UEAU);
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ogs_assert(service);
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2020-06-17 05:22:28 +00:00
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ogs_sbi_nf_service_add_version(service, (char*)OGS_SBI_API_V1,
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(char*)OGS_SBI_API_V1_0_0, NULL);
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service = ogs_sbi_nf_service_build_default(nf_instance,
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(char*)OGS_SBI_SERVICE_NAME_NUDM_UECM);
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ogs_assert(service);
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ogs_sbi_nf_service_add_version(service, (char*)OGS_SBI_API_V1,
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(char*)OGS_SBI_API_V1_0_0, NULL);
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service = ogs_sbi_nf_service_build_default(nf_instance,
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(char*)OGS_SBI_SERVICE_NAME_NUDM_SDM);
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ogs_assert(service);
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ogs_sbi_nf_service_add_version(service, (char*)OGS_SBI_API_V2,
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(char*)OGS_SBI_API_V2_0_0, NULL);
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2020-06-04 18:12:05 +00:00
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2020-07-09 05:38:09 +00:00
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/* Client callback is only used when NF sends to NRF */
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client = nf_instance->client;
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ogs_assert(client);
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client->cb = client_cb;
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/* NFRegister is sent and the response is received
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* by the above client callback. */
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2020-06-04 18:12:05 +00:00
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udm_nf_fsm_init(nf_instance);
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}
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return OGS_OK;
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}
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void udm_sbi_close(void)
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{
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ogs_sbi_server_stop_all();
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}
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2020-06-17 05:22:28 +00:00
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void udm_sbi_discover_and_send(
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OpenAPI_nf_type_e nf_type, udm_ue_t *udm_ue, void *data,
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ogs_sbi_request_t *(*build)(udm_ue_t *udm_ue, void *data))
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2020-06-04 18:12:05 +00:00
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{
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ogs_sbi_session_t *session = NULL;
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ogs_assert(udm_ue);
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2020-06-17 05:22:28 +00:00
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session = udm_ue->sbi.session;
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2020-06-04 18:12:05 +00:00
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ogs_assert(nf_type);
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2020-06-17 05:22:28 +00:00
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ogs_assert(build);
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2020-06-04 18:12:05 +00:00
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2020-06-17 05:22:28 +00:00
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udm_ue->sbi.nf_state_registered = udm_nf_state_registered;
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udm_ue->sbi.client_wait.duration =
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2020-07-27 01:02:40 +00:00
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ogs_config()->time.message.sbi.client_wait_duration;
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2020-07-09 05:38:09 +00:00
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udm_ue->sbi.client_cb = client_cb;
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2020-06-04 18:12:05 +00:00
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2020-06-17 05:22:28 +00:00
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if (ogs_sbi_discover_and_send(
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nf_type, &udm_ue->sbi, data, (ogs_sbi_build_f)build) != true) {
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2020-06-04 18:12:05 +00:00
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ogs_sbi_server_send_error(session,
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2020-06-17 05:22:28 +00:00
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OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT, NULL,
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"Cannot discover", udm_ue->suci);
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2020-06-04 18:12:05 +00:00
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}
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}
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