313 lines
9.6 KiB
C
313 lines
9.6 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 "ogs-sbi.h"
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bool ogs_sbi_send_request(ogs_sbi_nf_instance_t *nf_instance,
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ogs_sbi_client_cb_f client_cb, ogs_sbi_xact_t *xact)
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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_sbi_object_t *sbi_object = NULL;
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ogs_assert(xact);
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sbi_object = xact->sbi_object;
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ogs_assert(sbi_object);
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request = xact->request;
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ogs_assert(request);
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ogs_assert(nf_instance);
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if (request->h.uri == NULL) {
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client = ogs_sbi_client_find_by_service_name(nf_instance,
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request->h.service.name, request->h.api.version);
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if (!client) {
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ogs_error("[%s:%s] Cannot find client [%s:%s]",
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OpenAPI_nf_type_ToString(nf_instance->nf_type),
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nf_instance->id,
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request->h.service.name, request->h.api.version);
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return false;
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}
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} else {
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ogs_sockaddr_t *addr = NULL;
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char buf[OGS_ADDRSTRLEN];
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addr = ogs_sbi_getaddr_from_uri(request->h.uri);
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if (!addr) {
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ogs_error("[%s:%s] Invalid URL [%s]",
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OpenAPI_nf_type_ToString(nf_instance->nf_type),
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nf_instance->id, request->h.uri);
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return false;
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}
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client = ogs_sbi_client_find(addr);
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if (!client) {
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ogs_error("[%s:%s] Cannot find client [%s:%d]",
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OpenAPI_nf_type_ToString(nf_instance->nf_type),
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nf_instance->id,
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OGS_ADDR(addr, buf), OGS_PORT(addr));
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ogs_freeaddrinfo(addr);
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return false;
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}
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ogs_freeaddrinfo(addr);
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}
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/* ogs_sbi_xact_remove() will call ogs_sbi_request_free()
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* As such, we'll use ogs_sbi_client_send_reqmem_persistent() */
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ogs_expect_or_return_val(true ==
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ogs_sbi_scp_send_reqmem_persistent(
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client, client_cb, request, xact), false);
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return true;
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}
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bool ogs_sbi_discover_only(
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ogs_sbi_xact_t *xact, ogs_sbi_client_cb_f client_cb)
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{
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ogs_sbi_nf_instance_t *nf_instance = NULL;
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ogs_sbi_object_t *sbi_object = NULL;
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ogs_sbi_service_type_e service_type = OGS_SBI_SERVICE_TYPE_NULL;
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ogs_sbi_discovery_option_t *discovery_option = NULL;
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OpenAPI_nf_type_e target_nf_type = OpenAPI_nf_type_NULL;
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sbi_object = xact->sbi_object;
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ogs_assert(sbi_object);
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service_type = xact->service_type;
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ogs_assert(service_type);
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target_nf_type = ogs_sbi_service_type_to_nf_type(service_type);
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ogs_assert(target_nf_type);
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ogs_assert(client_cb);
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discovery_option = xact->discovery_option;
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/* NRF NF-Instance */
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nf_instance = sbi_object->nf_type_array[OpenAPI_nf_type_NRF].nf_instance;
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if (!nf_instance) {
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nf_instance = ogs_sbi_nf_instance_find_by_discovery_param(
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OpenAPI_nf_type_NRF, NULL);
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if (nf_instance)
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OGS_SBI_SETUP_NF_INSTANCE(
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sbi_object->nf_type_array[OpenAPI_nf_type_NRF], nf_instance);
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}
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if (nf_instance) {
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ogs_sbi_client_t *client = NULL;
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ogs_sbi_request_t *request = NULL;
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ogs_warn("Try to discover [%s]",
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ogs_sbi_service_type_to_name(service_type));
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request = ogs_nnrf_disc_build_discover(
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target_nf_type, discovery_option);
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ogs_expect_or_return_val(request, false);
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client = nf_instance->client;
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ogs_assert(client);
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return ogs_sbi_client_send_request(client, client_cb, request, xact);
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}
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ogs_error("Cannot discover [%s]",
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ogs_sbi_service_type_to_name(service_type));
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return false;
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}
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bool ogs_sbi_discover_and_send(
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ogs_sbi_xact_t *xact, ogs_sbi_client_cb_f client_cb)
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{
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ogs_sbi_nf_instance_t *nf_instance = NULL;
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ogs_sbi_object_t *sbi_object = NULL;
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ogs_sbi_service_type_e service_type = OGS_SBI_SERVICE_TYPE_NULL;
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ogs_sbi_discovery_option_t *discovery_option = NULL;
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OpenAPI_nf_type_e target_nf_type = OpenAPI_nf_type_NULL;
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sbi_object = xact->sbi_object;
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ogs_assert(sbi_object);
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service_type = xact->service_type;
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ogs_assert(service_type);
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target_nf_type = ogs_sbi_service_type_to_nf_type(service_type);
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ogs_assert(target_nf_type);
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ogs_assert(client_cb);
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discovery_option = xact->discovery_option;
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/* Target NF-Instance */
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nf_instance = sbi_object->service_type_array[service_type].nf_instance;
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if (!nf_instance) {
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nf_instance = ogs_sbi_nf_instance_find_by_discovery_param(
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target_nf_type, discovery_option);
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if (nf_instance)
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OGS_SBI_SETUP_NF_INSTANCE(
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sbi_object->service_type_array[service_type], nf_instance);
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}
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if (nf_instance) {
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return ogs_sbi_send_request(nf_instance, client_cb, xact);
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}
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return ogs_sbi_discover_only(xact, client_cb);
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}
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bool ogs_nnrf_nfm_send_nf_register(ogs_sbi_nf_instance_t *nf_instance)
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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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request = ogs_nnrf_nfm_build_register();
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ogs_expect_or_return_val(request, false);
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return ogs_sbi_scp_send_request(client, client->cb, request, nf_instance);
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}
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bool ogs_nnrf_nfm_send_nf_update(ogs_sbi_nf_instance_t *nf_instance)
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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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request = ogs_nnrf_nfm_build_update();
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ogs_expect_or_return_val(request, false);
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return ogs_sbi_scp_send_request(client, client->cb, request, nf_instance);
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}
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bool ogs_nnrf_nfm_send_nf_de_register(ogs_sbi_nf_instance_t *nf_instance)
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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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request = ogs_nnrf_nfm_build_de_register();
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ogs_expect_or_return_val(request, false);
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return ogs_sbi_scp_send_request(client, client->cb, request, nf_instance);
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}
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bool ogs_nnrf_nfm_send_nf_profile_retrieve(ogs_sbi_nf_instance_t *nf_instance,
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char *nf_instance_id, 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(nf_instance);
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client = nf_instance->client;
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ogs_assert(client);
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ogs_assert(nf_instance_id);
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request = ogs_nnrf_nfm_build_profile_retrieve(nf_instance_id);
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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, data);
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}
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bool ogs_nnrf_nfm_send_nf_status_subscribe(ogs_sbi_client_t *client,
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OpenAPI_nf_type_e req_nf_type, char *req_nf_instance_id,
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OpenAPI_nf_type_e subscr_cond_nf_type)
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{
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ogs_sbi_request_t *request = NULL;
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ogs_sbi_subscription_t *subscription = NULL;
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ogs_assert(client);
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subscription = ogs_sbi_subscription_add();
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ogs_assert(subscription);
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OGS_SBI_SETUP_CLIENT(subscription, client);
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subscription->req_nf_type = req_nf_type;
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if (req_nf_instance_id) {
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subscription->req_nf_instance_id = ogs_strdup(req_nf_instance_id);
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ogs_expect_or_return_val(req_nf_instance_id, false);
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}
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subscription->subscr_cond.nf_type = subscr_cond_nf_type;
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request = ogs_nnrf_nfm_build_status_subscribe(subscription);
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ogs_expect_or_return_val(request, false);
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return ogs_sbi_scp_send_request(
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client, client->cb, request, subscription);
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}
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bool ogs_nnrf_nfm_send_nf_status_unsubscribe(
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ogs_sbi_subscription_t *subscription)
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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(subscription);
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request = ogs_nnrf_nfm_build_status_unsubscribe(subscription);
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ogs_expect_or_return_val(request, false);
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client = subscription->client;
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ogs_assert(client);
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return ogs_sbi_scp_send_request(
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client, client->cb, request, subscription);
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}
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bool ogs_nnrf_disc_send_nf_discover(
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ogs_sbi_nf_instance_t *nf_instance,
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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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void *data)
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{
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ogs_sbi_client_t *client = NULL;
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ogs_sbi_request_t *request = NULL;
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ogs_assert(nf_instance);
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ogs_assert(target_nf_type);
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request = ogs_nnrf_disc_build_discover(target_nf_type, discovery_option);
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ogs_expect_or_return_val(request, false);
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client = nf_instance->client;
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ogs_assert(client);
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return ogs_sbi_client_send_request(client, client->cb, request, data);
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}
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bool ogs_sbi_send_response(ogs_sbi_stream_t *stream, int status)
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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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ogs_assert(stream);
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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_expect_or_return_val(response, false);
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return ogs_sbi_server_send_response(stream, response);
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}
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