199 lines
6.2 KiB
C
199 lines
6.2 KiB
C
/*
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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_request_t *request, 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(request);
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ogs_assert(data);
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e = udm_event_new(OGS_EVENT_SBI_SERVER);
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ogs_assert(e);
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e->h.sbi.request = request;
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e->h.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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ogs_error("ogs_queue_push() failed:%d", (int)rv);
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ogs_sbi_request_free(request);
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ogs_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(int status, 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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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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ogs_assert(response);
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e = udm_event_new(OGS_EVENT_SBI_CLIENT);
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ogs_assert(e);
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e->h.sbi.response = response;
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e->h.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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ogs_error("ogs_queue_push() failed:%d", (int)rv);
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ogs_sbi_response_free(response);
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ogs_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_nf_service_t *service = NULL;
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/* To be notified when NF Instances registered/deregistered in NRF
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* or when their profile is modified */
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ogs_sbi_add_to_be_notified_nf_type(OpenAPI_nf_type_UDR);
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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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ogs_sbi_nf_fsm_init(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_UDM);
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ogs_sbi_nf_instance_add_allowed_nf_type(nf_instance, OpenAPI_nf_type_AMF);
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ogs_sbi_nf_instance_add_allowed_nf_type(nf_instance, OpenAPI_nf_type_SMF);
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ogs_sbi_nf_instance_add_allowed_nf_type(nf_instance, OpenAPI_nf_type_AUSF);
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/* Build NF service information. It will be transmitted to NRF. */
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if (ogs_sbi_nf_service_is_available(OGS_SBI_SERVICE_NAME_NUDM_UEAU)) {
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service = ogs_sbi_nf_service_build_default(
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nf_instance, OGS_SBI_SERVICE_NAME_NUDM_UEAU);
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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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ogs_sbi_nf_service_add_allowed_nf_type(service, OpenAPI_nf_type_AUSF);
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}
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if (ogs_sbi_nf_service_is_available(OGS_SBI_SERVICE_NAME_NUDM_UECM)) {
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service = ogs_sbi_nf_service_build_default(
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nf_instance, OGS_SBI_SERVICE_NAME_NUDM_UECM);
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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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ogs_sbi_nf_service_add_allowed_nf_type(service, OpenAPI_nf_type_AMF);
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}
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if (ogs_sbi_nf_service_is_available(OGS_SBI_SERVICE_NAME_NUDM_SDM)) {
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service = ogs_sbi_nf_service_build_default(
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nf_instance, OGS_SBI_SERVICE_NAME_NUDM_SDM);
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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_V2, OGS_SBI_API_V2_0_0, NULL);
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ogs_sbi_nf_service_add_allowed_nf_type(service, OpenAPI_nf_type_AMF);
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ogs_sbi_nf_service_add_allowed_nf_type(service, OpenAPI_nf_type_SMF);
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}
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/* Initialize NRF NF Instance */
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nf_instance = ogs_sbi_self()->nrf_instance;
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if (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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ogs_sbi_nf_fsm_init(nf_instance);
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}
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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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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_client_stop_all();
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ogs_sbi_server_stop_all();
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}
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bool udm_sbi_send_request(ogs_sbi_nf_instance_t *nf_instance, void *data)
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{
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ogs_assert(nf_instance);
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return ogs_sbi_send_request(nf_instance, client_cb, data);
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}
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bool udm_sbi_discover_and_send(
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ogs_sbi_service_type_e service_type,
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ogs_sbi_discovery_option_t *discovery_option,
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ogs_sbi_request_t *(*build)(udm_ue_t *udm_ue, void *data),
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udm_ue_t *udm_ue, ogs_sbi_stream_t *stream, void *data)
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{
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ogs_sbi_xact_t *xact = NULL;
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ogs_assert(service_type);
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ogs_assert(udm_ue);
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ogs_assert(stream);
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ogs_assert(build);
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xact = ogs_sbi_xact_add(
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&udm_ue->sbi, service_type, discovery_option,
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(ogs_sbi_build_f)build, udm_ue, data);
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if (!xact) {
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ogs_error("udm_sbi_discover_and_send() failed");
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT, NULL,
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"Cannot discover", udm_ue->suci));
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return false;
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}
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xact->assoc_stream = stream;
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if (ogs_sbi_discover_and_send(xact, client_cb) != true) {
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ogs_error("udm_sbi_discover_and_send() failed");
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ogs_sbi_xact_remove(xact);
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ogs_assert(true ==
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ogs_sbi_server_send_error(stream,
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OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT, NULL,
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"Cannot discover", udm_ue->suci));
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return false;
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}
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return true;
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}
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