2020-05-18 21:00:37 +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 "context.h"
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2020-07-02 05:50:23 +00:00
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#include "ngap-path.h"
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2020-05-18 21:00:37 +00:00
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#include "sbi-path.h"
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2020-11-27 02:44:37 +00:00
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static int server_cb(ogs_sbi_request_t *request, void *data)
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2020-05-18 21:00:37 +00:00
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{
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smf_event_t *e = NULL;
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int rv;
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ogs_assert(request);
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2020-11-27 02:44:37 +00:00
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ogs_assert(data);
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2020-05-18 21:00:37 +00:00
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e = smf_event_new(SMF_EVT_SBI_SERVER);
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ogs_assert(e);
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e->sbi.request = request;
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2020-11-27 02:44:37 +00:00
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e->sbi.data = data;
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2020-05-18 21:00:37 +00:00
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2020-08-26 03:05:01 +00:00
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rv = ogs_queue_push(ogs_app()->queue, e);
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2020-05-18 21:00:37 +00:00
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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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smf_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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smf_event_t *e = NULL;
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int rv;
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ogs_assert(response);
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e = smf_event_new(SMF_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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2020-08-26 03:05:01 +00:00
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rv = ogs_queue_push(ogs_app()->queue, e);
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2020-05-18 21:00:37 +00:00
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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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smf_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 smf_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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2020-05-18 21:00:37 +00:00
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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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2020-05-18 21:00:37 +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, smf_self()->nf_type);
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2020-05-18 21:00:37 +00:00
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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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2020-05-18 21:00:37 +00:00
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service = ogs_sbi_nf_service_build_default(nf_instance,
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2020-06-04 18:12:05 +00:00
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(char*)OGS_SBI_SERVICE_NAME_NSMF_PDUSESSION);
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2020-05-18 21:00:37 +00:00
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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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2020-05-18 21:00:37 +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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2020-05-18 21:00:37 +00:00
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smf_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 smf_sbi_close(void)
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{
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ogs_sbi_server_stop_all();
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}
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2020-08-03 03:22:41 +00:00
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void smf_sbi_send(ogs_sbi_nf_instance_t *nf_instance, ogs_sbi_xact_t *xact)
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{
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ogs_sbi_send(nf_instance, client_cb, xact);
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}
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void smf_sbi_discover_and_send(OpenAPI_nf_type_e target_nf_type,
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2020-11-27 02:44:37 +00:00
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smf_sess_t *sess, ogs_sbi_stream_t *stream, void *data,
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2020-06-17 05:22:28 +00:00
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ogs_sbi_request_t *(*build)(smf_sess_t *sess, void *data))
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{
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2020-08-03 03:22:41 +00:00
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ogs_sbi_xact_t *xact = NULL;
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2020-06-18 01:43:16 +00:00
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smf_ue_t *smf_ue = NULL;
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2020-06-17 05:22:28 +00:00
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2020-08-03 03:22:41 +00:00
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ogs_assert(target_nf_type);
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2020-06-17 05:22:28 +00:00
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2020-06-18 01:43:16 +00:00
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ogs_assert(sess);
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smf_ue = sess->smf_ue;
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ogs_assert(smf_ue);
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2020-11-27 02:44:37 +00:00
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ogs_assert(stream);
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2020-08-03 03:22:41 +00:00
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ogs_assert(build);
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2021-01-01 02:07:08 +00:00
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xact = ogs_sbi_xact_add(target_nf_type, &sess->sbi,
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(ogs_sbi_build_f)build, sess, data,
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smf_timer_sbi_client_wait_expire);
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2021-02-15 17:17:33 +00:00
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if (!xact) {
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ogs_error("smf_sbi_discover_and_send() failed");
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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", smf_ue->supi);
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return;
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}
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2020-08-03 03:22:41 +00:00
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2020-11-27 02:44:37 +00:00
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xact->assoc_stream = stream;
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2020-08-03 03:22:41 +00:00
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if (ogs_sbi_discover_and_send(xact,
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(ogs_fsm_handler_t)smf_nf_state_registered, client_cb) != true) {
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2021-02-15 17:17:33 +00:00
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ogs_error("smf_sbi_discover_and_send() failed");
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2020-11-27 02:44:37 +00:00
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ogs_sbi_server_send_error(stream,
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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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2020-06-18 01:43:16 +00:00
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"Cannot discover", smf_ue->supi);
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2021-02-15 17:17:33 +00:00
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return;
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2020-06-17 05:22:28 +00:00
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}
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}
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2021-01-01 02:07:08 +00:00
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void smf_namf_comm_send_n1_n2_message_transfer(
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2021-01-18 16:48:35 +00:00
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smf_sess_t *sess, smf_n1_n2_message_transfer_param_t *param)
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2021-01-01 02:07:08 +00:00
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{
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ogs_sbi_xact_t *xact = NULL;
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smf_ue_t *smf_ue = NULL;
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2021-01-18 16:48:35 +00:00
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ogs_assert(param);
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ogs_assert(param->state);
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ogs_assert(param->n1smbuf || param->n2smbuf);
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2021-01-01 02:07:08 +00:00
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ogs_assert(sess);
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smf_ue = sess->smf_ue;
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ogs_assert(smf_ue);
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xact = ogs_sbi_xact_add(OpenAPI_nf_type_AMF, &sess->sbi,
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(ogs_sbi_build_f)smf_namf_comm_build_n1_n2_message_transfer,
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2021-01-18 16:48:35 +00:00
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sess, param, smf_timer_sbi_client_wait_expire);
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2021-02-15 17:17:33 +00:00
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if (!xact) {
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ogs_error("smf_namf_comm_send_n1_n2_message_transfer() failed");
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return;
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}
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2021-01-01 02:07:08 +00:00
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2021-01-18 16:48:35 +00:00
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xact->state = param->state;
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2021-01-01 02:07:08 +00:00
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ogs_sbi_discover_and_send(xact,
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(ogs_fsm_handler_t)smf_nf_state_registered, client_cb);
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}
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2020-11-27 02:44:37 +00:00
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void smf_sbi_send_response(ogs_sbi_stream_t *stream, int status)
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2020-07-02 05:50:23 +00:00
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{
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ogs_sbi_message_t sendmsg;
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ogs_sbi_response_t *response = NULL;
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2020-11-27 02:44:37 +00:00
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ogs_assert(stream);
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2020-07-02 05:50:23 +00:00
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memset(&sendmsg, 0, sizeof(sendmsg));
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response = ogs_sbi_build_response(&sendmsg, status);
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ogs_assert(response);
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2020-11-27 02:44:37 +00:00
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ogs_sbi_server_send_response(stream, response);
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2020-07-02 05:50:23 +00:00
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}
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2020-06-17 05:22:28 +00:00
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void smf_sbi_send_sm_context_create_error(
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2020-11-27 02:44:37 +00:00
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ogs_sbi_stream_t *stream,
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2020-06-17 05:22:28 +00:00
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int status, const char *title, const char *detail,
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ogs_pkbuf_t *n1smbuf)
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{
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ogs_sbi_message_t sendmsg;
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ogs_sbi_response_t *response = NULL;
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OpenAPI_sm_context_create_error_t SmContextCreateError;
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OpenAPI_problem_details_t problem;
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2020-07-02 05:50:23 +00:00
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OpenAPI_ref_to_binary_data_t n1SmMsg;
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2020-06-17 05:22:28 +00:00
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2020-11-27 02:44:37 +00:00
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ogs_assert(stream);
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2020-06-17 05:22:28 +00:00
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memset(&problem, 0, sizeof(problem));
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problem.status = status;
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problem.title = (char*)title;
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problem.detail = (char*)detail;
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memset(&sendmsg, 0, sizeof(sendmsg));
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sendmsg.SmContextCreateError = &SmContextCreateError;
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memset(&SmContextCreateError, 0, sizeof(SmContextCreateError));
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SmContextCreateError.error = &problem;
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if (n1smbuf) {
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2020-07-02 05:50:23 +00:00
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SmContextCreateError.n1_sm_msg = &n1SmMsg;
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n1SmMsg.content_id = (char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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2020-06-17 05:22:28 +00:00
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sendmsg.part[0].content_id = (char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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sendmsg.part[0].content_type = (char *)OGS_SBI_CONTENT_5GNAS_TYPE;
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sendmsg.part[0].pkbuf = n1smbuf;
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sendmsg.num_of_part = 1;
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}
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response = ogs_sbi_build_response(&sendmsg, problem.status);
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ogs_assert(response);
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2020-11-27 02:44:37 +00:00
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ogs_sbi_server_send_response(stream, response);
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2020-06-17 05:22:28 +00:00
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if (n1smbuf)
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ogs_pkbuf_free(n1smbuf);
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}
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2021-01-18 16:48:35 +00:00
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void smf_sbi_send_sm_context_updated_data(
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smf_sess_t *sess, ogs_sbi_stream_t *stream,
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OpenAPI_up_cnx_state_e up_cnx_state,
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2021-01-28 19:23:54 +00:00
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OpenAPI_ho_state_e ho_state,
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2021-01-18 16:48:35 +00:00
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ogs_pkbuf_t *n1smbuf,
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OpenAPI_n2_sm_info_type_e n2type, ogs_pkbuf_t *n2smbuf)
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2020-07-02 05:50:23 +00:00
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{
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int i;
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ogs_sbi_message_t sendmsg;
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ogs_sbi_response_t *response = NULL;
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OpenAPI_sm_context_updated_data_t SmContextUpdatedData;
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OpenAPI_ref_to_binary_data_t n1SmMsg;
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OpenAPI_ref_to_binary_data_t n2SmInfo;
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ogs_assert(sess);
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2020-11-27 02:44:37 +00:00
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ogs_assert(stream);
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2020-07-02 05:50:23 +00:00
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2021-01-28 19:23:54 +00:00
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ogs_assert(up_cnx_state != OpenAPI_up_cnx_state_NULL ||
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ho_state != OpenAPI_ho_state_NULL ||
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n1smbuf || n2smbuf);
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2021-01-18 16:48:35 +00:00
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2020-07-02 05:50:23 +00:00
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memset(&sendmsg, 0, sizeof(sendmsg));
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memset(&SmContextUpdatedData, 0, sizeof(SmContextUpdatedData));
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2021-01-18 16:48:35 +00:00
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/* up_cnx_state */
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SmContextUpdatedData.up_cnx_state = up_cnx_state;
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2020-07-02 05:50:23 +00:00
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2021-01-28 19:23:54 +00:00
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/* ho_state */
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SmContextUpdatedData.ho_state = ho_state;
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2021-01-18 16:48:35 +00:00
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/* n1smbuf */
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if (n1smbuf) {
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n1SmMsg.content_id = (char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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SmContextUpdatedData.n1_sm_msg = &n1SmMsg;
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2020-07-02 05:50:23 +00:00
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sendmsg.part[sendmsg.num_of_part].content_id =
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(char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
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sendmsg.part[sendmsg.num_of_part].content_type =
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(char *)OGS_SBI_CONTENT_5GNAS_TYPE;
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2021-01-18 16:48:35 +00:00
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sendmsg.part[sendmsg.num_of_part].pkbuf = n1smbuf;
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2020-07-02 05:50:23 +00:00
|
|
|
sendmsg.num_of_part++;
|
|
|
|
}
|
|
|
|
|
2021-01-18 16:48:35 +00:00
|
|
|
/* n2smbuf */
|
|
|
|
if (n2smbuf) {
|
|
|
|
ogs_assert(n2type);
|
|
|
|
SmContextUpdatedData.n2_sm_info_type = n2type;
|
2020-07-02 05:50:23 +00:00
|
|
|
|
2021-01-18 16:48:35 +00:00
|
|
|
n2SmInfo.content_id = (char *)OGS_SBI_CONTENT_NGAP_SM_ID;
|
|
|
|
SmContextUpdatedData.n2_sm_info = &n2SmInfo;
|
2020-07-02 05:50:23 +00:00
|
|
|
|
|
|
|
sendmsg.part[sendmsg.num_of_part].content_id =
|
|
|
|
(char *)OGS_SBI_CONTENT_NGAP_SM_ID;
|
|
|
|
sendmsg.part[sendmsg.num_of_part].content_type =
|
|
|
|
(char *)OGS_SBI_CONTENT_NGAP_TYPE;
|
2021-01-18 16:48:35 +00:00
|
|
|
sendmsg.part[sendmsg.num_of_part].pkbuf = n2smbuf;
|
2020-07-02 05:50:23 +00:00
|
|
|
sendmsg.num_of_part++;
|
|
|
|
}
|
|
|
|
|
|
|
|
sendmsg.SmContextUpdatedData = &SmContextUpdatedData;
|
|
|
|
|
|
|
|
response = ogs_sbi_build_response(&sendmsg, OGS_SBI_HTTP_STATUS_OK);
|
|
|
|
ogs_assert(response);
|
2021-01-18 16:48:35 +00:00
|
|
|
|
2020-11-27 02:44:37 +00:00
|
|
|
ogs_sbi_server_send_response(stream, response);
|
2020-07-02 05:50:23 +00:00
|
|
|
|
|
|
|
for (i = 0; i < sendmsg.num_of_part; i++)
|
|
|
|
ogs_pkbuf_free(sendmsg.part[i].pkbuf);
|
|
|
|
}
|
|
|
|
|
2020-06-17 05:22:28 +00:00
|
|
|
void smf_sbi_send_sm_context_update_error(
|
2020-11-27 02:44:37 +00:00
|
|
|
ogs_sbi_stream_t *stream,
|
2020-06-17 05:22:28 +00:00
|
|
|
int status, const char *title, const char *detail,
|
2020-07-02 05:50:23 +00:00
|
|
|
ogs_pkbuf_t *n1smbuf, ogs_pkbuf_t *n2smbuf)
|
2020-06-17 05:22:28 +00:00
|
|
|
{
|
|
|
|
ogs_sbi_message_t sendmsg;
|
|
|
|
ogs_sbi_response_t *response = NULL;
|
|
|
|
|
|
|
|
OpenAPI_sm_context_update_error_t SmContextUpdateError;
|
|
|
|
OpenAPI_problem_details_t problem;
|
2020-07-02 05:50:23 +00:00
|
|
|
OpenAPI_ref_to_binary_data_t n1SmMsg;
|
|
|
|
OpenAPI_ref_to_binary_data_t n2SmInfo;
|
2020-06-17 05:22:28 +00:00
|
|
|
|
2020-11-27 02:44:37 +00:00
|
|
|
ogs_assert(stream);
|
2020-06-17 05:22:28 +00:00
|
|
|
|
|
|
|
memset(&problem, 0, sizeof(problem));
|
|
|
|
problem.status = status;
|
|
|
|
problem.title = (char*)title;
|
|
|
|
problem.detail = (char*)detail;
|
|
|
|
|
|
|
|
memset(&sendmsg, 0, sizeof(sendmsg));
|
|
|
|
sendmsg.SmContextUpdateError = &SmContextUpdateError;
|
|
|
|
|
|
|
|
memset(&SmContextUpdateError, 0, sizeof(SmContextUpdateError));
|
|
|
|
SmContextUpdateError.error = &problem;
|
|
|
|
|
2020-07-02 05:50:23 +00:00
|
|
|
if (n1smbuf) {
|
|
|
|
SmContextUpdateError.n1_sm_msg = &n1SmMsg;
|
|
|
|
n1SmMsg.content_id = (char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
|
|
|
|
sendmsg.part[sendmsg.num_of_part].content_id =
|
|
|
|
(char *)OGS_SBI_CONTENT_5GNAS_SM_ID;
|
|
|
|
sendmsg.part[sendmsg.num_of_part].content_type =
|
|
|
|
(char *)OGS_SBI_CONTENT_5GNAS_TYPE;
|
|
|
|
sendmsg.part[sendmsg.num_of_part].pkbuf = n1smbuf;
|
|
|
|
sendmsg.num_of_part++;
|
|
|
|
}
|
|
|
|
|
2020-06-17 05:22:28 +00:00
|
|
|
if (n2smbuf) {
|
2020-07-02 05:50:23 +00:00
|
|
|
SmContextUpdateError.n2_sm_info = &n2SmInfo;
|
|
|
|
n2SmInfo.content_id = (char *)OGS_SBI_CONTENT_NGAP_SM_ID;
|
|
|
|
sendmsg.part[sendmsg.num_of_part].content_id =
|
|
|
|
(char *)OGS_SBI_CONTENT_NGAP_SM_ID;
|
|
|
|
sendmsg.part[sendmsg.num_of_part].content_type =
|
|
|
|
(char *)OGS_SBI_CONTENT_NGAP_TYPE;
|
|
|
|
sendmsg.part[sendmsg.num_of_part].pkbuf = n2smbuf;
|
|
|
|
sendmsg.num_of_part++;
|
2020-06-17 05:22:28 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
response = ogs_sbi_build_response(&sendmsg, problem.status);
|
|
|
|
ogs_assert(response);
|
|
|
|
|
2020-11-27 02:44:37 +00:00
|
|
|
ogs_sbi_server_send_response(stream, response);
|
2020-06-17 05:22:28 +00:00
|
|
|
|
2020-07-02 05:50:23 +00:00
|
|
|
if (n1smbuf)
|
|
|
|
ogs_pkbuf_free(n1smbuf);
|
|
|
|
|
2020-06-17 05:22:28 +00:00
|
|
|
if (n2smbuf)
|
|
|
|
ogs_pkbuf_free(n2smbuf);
|
|
|
|
}
|
2020-07-02 05:50:23 +00:00
|
|
|
|
|
|
|
static int client_notify_cb(ogs_sbi_response_t *response, void *data)
|
|
|
|
{
|
|
|
|
int rv;
|
|
|
|
|
|
|
|
ogs_sbi_message_t message;
|
|
|
|
|
|
|
|
ogs_assert(response);
|
|
|
|
|
|
|
|
rv = ogs_sbi_parse_response(&message, response);
|
|
|
|
if (rv != OGS_OK) {
|
|
|
|
ogs_error("cannot parse HTTP response");
|
|
|
|
ogs_sbi_message_free(&message);
|
|
|
|
ogs_sbi_response_free(response);
|
|
|
|
return OGS_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (message.res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT)
|
|
|
|
ogs_error("SmContextStatusNotification failed [%d]",
|
|
|
|
message.res_status);
|
|
|
|
|
|
|
|
ogs_sbi_message_free(&message);
|
|
|
|
ogs_sbi_response_free(response);
|
|
|
|
return OGS_OK;
|
|
|
|
}
|
|
|
|
|
|
|
|
void smf_sbi_send_sm_context_status_notify(smf_sess_t *sess)
|
|
|
|
{
|
|
|
|
ogs_sbi_request_t *request = NULL;
|
|
|
|
ogs_sbi_client_t *client = NULL;
|
|
|
|
|
|
|
|
ogs_assert(sess);
|
|
|
|
client = sess->namf.client;
|
|
|
|
ogs_assert(client);
|
|
|
|
|
|
|
|
request = smf_namf_callback_build_sm_context_status(sess, NULL);
|
|
|
|
ogs_assert(request);
|
2020-07-09 05:38:09 +00:00
|
|
|
ogs_sbi_client_send_request(client, client_notify_cb, request, NULL);
|
2020-07-02 05:50:23 +00:00
|
|
|
}
|