2021-05-29 06:56:12 +00:00
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/*
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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 "sbi-path.h"
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static int server_cb(ogs_sbi_request_t *request, void *data)
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{
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af_event_t *e = NULL;
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int rv;
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ogs_assert(request);
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ogs_assert(data);
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e = af_event_new(AF_EVT_SBI_SERVER);
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ogs_assert(e);
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e->sbi.request = request;
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e->sbi.data = data;
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rv = ogs_queue_push(ogs_app()->queue, e);
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if (rv != OGS_OK) {
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2022-07-16 04:27:18 +00:00
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ogs_error("ogs_queue_push() failed:%d", (int)rv);
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ogs_sbi_request_free(request);
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2021-05-29 06:56:12 +00:00
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af_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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2022-07-16 04:27:18 +00:00
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static int client_cb(int status, ogs_sbi_response_t *response, void *data)
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2021-05-29 06:56:12 +00:00
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{
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af_event_t *e = NULL;
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int rv;
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2022-07-16 04:27:18 +00:00
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if (status != OGS_OK) {
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ogs_log_message(
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status == OGS_DONE ? OGS_LOG_DEBUG : OGS_LOG_WARN, 0,
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"client_cb() failed [%d]", status);
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return OGS_ERROR;
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}
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2021-05-29 06:56:12 +00:00
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ogs_assert(response);
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e = af_event_new(AF_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(ogs_app()->queue, e);
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if (rv != OGS_OK) {
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2022-07-16 04:27:18 +00:00
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ogs_error("ogs_queue_push() failed:%d", (int)rv);
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ogs_sbi_response_free(response);
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2021-05-29 06:56:12 +00:00
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af_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 af_sbi_open(void)
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{
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ogs_sbi_nf_instance_t *nf_instance = NULL;
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2022-06-18 14:56:12 +00:00
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ogs_sbi_nf_service_t *service = NULL;
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2021-05-29 06:56:12 +00:00
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2022-06-18 14:56:12 +00:00
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/* Add SELF NF instance */
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nf_instance = ogs_sbi_self()->nf_instance;
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ogs_assert(nf_instance);
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/* Build NF instance information. It will be transmitted to NRF. */
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ogs_sbi_nf_instance_build_default(nf_instance, OpenAPI_nf_type_AF);
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/* Build NF service information. It will be transmitted to NRF. */
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2022-08-02 00:44:13 +00:00
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if (ogs_sbi_nf_service_is_available(
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OGS_SBI_SERVICE_NAME_NAF_EVENTEXPOSURE)) {
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service = ogs_sbi_nf_service_build_default(
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nf_instance, OGS_SBI_SERVICE_NAME_NAF_EVENTEXPOSURE);
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ogs_assert(service);
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ogs_sbi_nf_service_add_version(
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service, OGS_SBI_API_V1, OGS_SBI_API_V1_0_0, NULL);
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}
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2022-06-18 14:56:12 +00:00
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/* Initialize NRF NF Instance */
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2021-05-29 06:56:12 +00:00
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ogs_list_for_each(&ogs_sbi_self()->nf_instance_list, nf_instance) {
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2022-06-18 14:56:12 +00:00
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if (NF_INSTANCE_IS_NRF(nf_instance)) {
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ogs_sbi_client_t *client = NULL;
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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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af_nf_fsm_init(nf_instance);
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}
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2021-05-29 06:56:12 +00:00
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}
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2022-07-24 06:10:09 +00:00
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/* Timer expiration handler of client wait timer */
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ogs_sbi_self()->client_wait_expire = af_timer_sbi_client_wait_expire;
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/* NF register state in NF state machine */
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ogs_sbi_self()->nf_state_registered =
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(ogs_fsm_handler_t)af_nf_state_registered;
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if (ogs_sbi_server_start_all(server_cb) != OGS_OK)
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return OGS_ERROR;
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2021-05-29 06:56:12 +00:00
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return OGS_OK;
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}
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void af_sbi_close(void)
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{
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2022-07-16 04:27:18 +00:00
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ogs_sbi_client_stop_all();
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2021-05-29 06:56:12 +00:00
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ogs_sbi_server_stop_all();
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}
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2021-06-06 13:35:46 +00:00
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bool af_nnrf_nfm_send_nf_register(ogs_sbi_nf_instance_t *nf_instance)
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2021-05-29 06:56:12 +00:00
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{
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ogs_sbi_request_t *request = NULL;
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ogs_sbi_client_t *client = NULL;
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ogs_assert(nf_instance);
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client = nf_instance->client;
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ogs_assert(client);
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2022-06-18 14:56:12 +00:00
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request = af_nnrf_nfm_build_register();
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2021-06-06 13:35:46 +00:00
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ogs_expect_or_return_val(request, false);
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return ogs_sbi_client_send_request(
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client, client->cb, request, nf_instance);
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2021-05-29 06:56:12 +00:00
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}
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2022-07-24 06:10:09 +00:00
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bool af_sbi_send_request(
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ogs_sbi_object_t *sbi_object,
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OpenAPI_nf_type_e target_nf_type,
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void *data)
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2021-05-29 06:56:12 +00:00
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{
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2022-07-24 06:10:09 +00:00
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ogs_sbi_nf_instance_t *nf_instance = NULL;
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nf_instance = OGS_SBI_NF_INSTANCE(sbi_object, target_nf_type);
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if (!nf_instance) {
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ogs_error("(NF discover) No [%s]",
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OpenAPI_nf_type_ToString(target_nf_type));
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return false;
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}
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return ogs_sbi_send_request(nf_instance, client_cb, data);
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2021-05-29 06:56:12 +00:00
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}
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2022-07-24 06:10:09 +00:00
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void af_sbi_discover_and_send(
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OpenAPI_nf_type_e target_nf_type,
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ogs_sbi_discovery_option_t *discovery_option,
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ogs_sbi_request_t *(*build)(af_sess_t *sess, void *data),
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af_sess_t *sess, void *data)
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2021-05-29 06:56:12 +00:00
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{
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ogs_sbi_xact_t *xact = NULL;
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2022-07-24 06:10:09 +00:00
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OpenAPI_nf_type_e requester_nf_type = OpenAPI_nf_type_NULL;
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ogs_assert(ogs_sbi_self()->nf_instance);
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requester_nf_type = ogs_sbi_self()->nf_instance->nf_type;
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ogs_assert(requester_nf_type);
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2021-05-29 06:56:12 +00:00
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ogs_assert(target_nf_type);
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ogs_assert(sess);
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ogs_assert(build);
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2022-07-24 06:10:09 +00:00
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xact = ogs_sbi_xact_add(
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&sess->sbi, target_nf_type, discovery_option,
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(ogs_sbi_build_f)build, sess, data);
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2021-05-29 06:56:12 +00:00
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if (!xact) {
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ogs_error("af_sbi_discover_and_send() failed");
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return;
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}
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2022-07-24 06:10:09 +00:00
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if (ogs_sbi_discover_and_send(
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&sess->sbi,
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target_nf_type, requester_nf_type, discovery_option,
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client_cb, xact) != true) {
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2021-05-29 06:56:12 +00:00
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ogs_error("af_sbi_discover_and_send() failed");
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return;
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}
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}
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void af_sbi_send_to_pcf(
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af_sess_t *sess, void *data,
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ogs_sbi_request_t *(*build)(af_sess_t *sess, void *data))
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{
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ogs_sbi_request_t *request = NULL;
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ogs_sbi_client_t *client = NULL;
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ogs_assert(sess);
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ogs_assert(build);
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client = sess->pcf.client;
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ogs_assert(client);
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request = (*build)(sess, data);
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ogs_assert(request);
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ogs_sbi_client_send_request(client, client_cb, request, sess);
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}
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