mirror of
https://github.com/nextepc/nextepc-oss.git
synced 2025-11-03 21:33:14 +00:00
1271 lines
42 KiB
C
1271 lines
42 KiB
C
/*
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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 "app/ogs-app.h"
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#include "ogs-sbi.h"
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int __ogs_sbi_domain;
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static ogs_sbi_context_t self;
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static int context_initialized = 0;
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static OGS_POOL(nf_instance_pool, ogs_sbi_nf_instance_t);
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static OGS_POOL(nf_service_pool, ogs_sbi_nf_service_t);
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static OGS_POOL(xact_pool, ogs_sbi_xact_t);
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static OGS_POOL(subscription_pool, ogs_sbi_subscription_t);
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static OGS_POOL(smf_info_pool, ogs_sbi_smf_info_t);
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static OGS_POOL(nf_info_pool, ogs_sbi_nf_info_t);
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void ogs_sbi_context_init(void)
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{
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ogs_assert(context_initialized == 0);
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/* Initialize SBI context */
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memset(&self, 0, sizeof(ogs_sbi_context_t));
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ogs_log_install_domain(&__ogs_sbi_domain, "sbi", ogs_core()->log.level);
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ogs_sbi_message_init(
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ogs_app()->pool.sbi_message, ogs_app()->pool.sbi_message);
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ogs_sbi_server_init(ogs_app()->pool.nf);
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ogs_sbi_client_init(ogs_app()->pool.nf, ogs_app()->pool.nf);
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ogs_list_init(&self.nf_instance_list);
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ogs_pool_init(&nf_instance_pool, ogs_app()->pool.nf);
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ogs_pool_init(&nf_service_pool, ogs_app()->pool.nf_service);
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ogs_pool_init(&xact_pool, ogs_app()->pool.sbi_message);
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ogs_list_init(&self.subscription_list);
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ogs_pool_init(&subscription_pool, ogs_app()->pool.nf_subscription);
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ogs_pool_init(&smf_info_pool, ogs_app()->pool.nf);
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ogs_pool_init(&nf_info_pool, ogs_app()->pool.nf * OGS_MAX_NUM_OF_NF_INFO);
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ogs_uuid_get(&self.uuid);
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ogs_uuid_format(self.nf_instance_id, &self.uuid);
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context_initialized = 1;
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}
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void ogs_sbi_context_final(void)
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{
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ogs_assert(context_initialized == 1);
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ogs_sbi_subscription_remove_all();
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ogs_pool_final(&subscription_pool);
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ogs_pool_final(&xact_pool);
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ogs_sbi_nf_instance_remove_all();
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ogs_sbi_nf_info_remove_all(&self.nf_info_list);
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ogs_pool_final(&nf_instance_pool);
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ogs_pool_final(&nf_service_pool);
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ogs_pool_final(&smf_info_pool);
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ogs_pool_final(&nf_info_pool);
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ogs_sbi_client_final();
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ogs_sbi_server_final();
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ogs_sbi_message_final();
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context_initialized = 0;
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}
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ogs_sbi_context_t *ogs_sbi_self(void)
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{
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return &self;
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}
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static int ogs_sbi_context_prepare(void)
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{
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self.http_port = OGS_SBI_HTTP_PORT;
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self.https_port = OGS_SBI_HTTPS_PORT;
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self.content_encoding = "gzip";
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return OGS_OK;
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}
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static int ogs_sbi_context_validation(const char *local)
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{
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/* If SMF is only used in 4G EPC, no SBI interface is required. */
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if (strcmp(local, "smf") != 0 &&
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ogs_list_first(&self.server_list) == NULL) {
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ogs_error("No %s.sbi: in '%s'", local, ogs_app()->file);
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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 ogs_sbi_context_parse_config(const char *local, const char *remote)
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{
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int rv;
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yaml_document_t *document = NULL;
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ogs_yaml_iter_t root_iter;
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document = ogs_app()->document;
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ogs_assert(document);
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rv = ogs_sbi_context_prepare();
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if (rv != OGS_OK) return rv;
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ogs_yaml_iter_init(&root_iter, document);
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while (ogs_yaml_iter_next(&root_iter)) {
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const char *root_key = ogs_yaml_iter_key(&root_iter);
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ogs_assert(root_key);
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if (local && !strcmp(root_key, local)) {
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ogs_yaml_iter_t local_iter;
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ogs_yaml_iter_recurse(&root_iter, &local_iter);
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while (ogs_yaml_iter_next(&local_iter)) {
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const char *local_key = ogs_yaml_iter_key(&local_iter);
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ogs_assert(local_key);
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if (!strcmp(local_key, "sbi")) {
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ogs_list_t list, list6;
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ogs_socknode_t *node = NULL, *node6 = NULL;
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ogs_yaml_iter_t sbi_array, sbi_iter;
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ogs_yaml_iter_recurse(&local_iter, &sbi_array);
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do {
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int i, family = AF_UNSPEC;
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int num = 0;
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const char *hostname[OGS_MAX_NUM_OF_HOSTNAME];
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int num_of_advertise = 0;
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const char *advertise[OGS_MAX_NUM_OF_HOSTNAME];
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const char *key = NULL;
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const char *pem = NULL;
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uint16_t port = self.http_port;
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const char *dev = NULL;
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ogs_sockaddr_t *addr = NULL;
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if (ogs_yaml_iter_type(&sbi_array) ==
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YAML_MAPPING_NODE) {
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memcpy(&sbi_iter, &sbi_array,
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sizeof(ogs_yaml_iter_t));
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} else if (ogs_yaml_iter_type(&sbi_array) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(&sbi_array))
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break;
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ogs_yaml_iter_recurse(&sbi_array, &sbi_iter);
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} else if (ogs_yaml_iter_type(&sbi_array) ==
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YAML_SCALAR_NODE) {
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break;
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} else
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ogs_assert_if_reached();
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while (ogs_yaml_iter_next(&sbi_iter)) {
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const char *sbi_key =
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ogs_yaml_iter_key(&sbi_iter);
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ogs_assert(sbi_key);
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if (!strcmp(sbi_key, "family")) {
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const char *v = ogs_yaml_iter_value(&sbi_iter);
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if (v) family = atoi(v);
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if (family != AF_UNSPEC &&
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family != AF_INET && family != AF_INET6) {
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ogs_warn("Ignore family(%d) : "
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"AF_UNSPEC(%d), "
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"AF_INET(%d), AF_INET6(%d) ",
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family, AF_UNSPEC, AF_INET, AF_INET6);
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family = AF_UNSPEC;
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}
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} else if (!strcmp(sbi_key, "addr") ||
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!strcmp(sbi_key, "name")) {
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ogs_yaml_iter_t hostname_iter;
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ogs_yaml_iter_recurse(&sbi_iter,
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&hostname_iter);
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ogs_assert(ogs_yaml_iter_type(&hostname_iter) !=
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YAML_MAPPING_NODE);
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do {
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if (ogs_yaml_iter_type(&hostname_iter) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(
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&hostname_iter))
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break;
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}
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ogs_assert(num < OGS_MAX_NUM_OF_HOSTNAME);
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hostname[num++] =
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ogs_yaml_iter_value(&hostname_iter);
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} while (
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ogs_yaml_iter_type(&hostname_iter) ==
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YAML_SEQUENCE_NODE);
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} else if (!strcmp(sbi_key, "advertise")) {
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ogs_yaml_iter_t advertise_iter;
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ogs_yaml_iter_recurse(&sbi_iter,
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&advertise_iter);
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ogs_assert(ogs_yaml_iter_type(
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&advertise_iter) != YAML_MAPPING_NODE);
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do {
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if (ogs_yaml_iter_type(&advertise_iter) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(
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&advertise_iter))
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break;
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}
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ogs_assert(num_of_advertise <
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OGS_MAX_NUM_OF_HOSTNAME);
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advertise[num_of_advertise++] =
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ogs_yaml_iter_value(&advertise_iter);
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} while (
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ogs_yaml_iter_type(&advertise_iter) ==
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YAML_SEQUENCE_NODE);
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} else if (!strcmp(sbi_key, "port")) {
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const char *v = ogs_yaml_iter_value(&sbi_iter);
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if (v) {
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port = atoi(v);
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self.http_port = port;
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}
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} else if (!strcmp(sbi_key, "dev")) {
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dev = ogs_yaml_iter_value(&sbi_iter);
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} else if (!strcmp(sbi_key, "tls")) {
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ogs_yaml_iter_t tls_iter;
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ogs_yaml_iter_recurse(&sbi_iter, &tls_iter);
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while (ogs_yaml_iter_next(&tls_iter)) {
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const char *tls_key =
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ogs_yaml_iter_key(&tls_iter);
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ogs_assert(tls_key);
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if (!strcmp(tls_key, "key")) {
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key = ogs_yaml_iter_value(&tls_iter);
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} else if (!strcmp(tls_key, "pem")) {
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pem = ogs_yaml_iter_value(&tls_iter);
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} else
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ogs_warn("unknown key `%s`", tls_key);
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}
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} else
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ogs_warn("unknown key `%s`", sbi_key);
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}
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addr = NULL;
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for (i = 0; i < num; i++) {
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rv = ogs_addaddrinfo(&addr,
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family, hostname[i], port, 0);
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ogs_assert(rv == OGS_OK);
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}
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ogs_list_init(&list);
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ogs_list_init(&list6);
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if (addr) {
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if (ogs_app()->parameter.no_ipv4 == 0)
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ogs_socknode_add(&list, AF_INET, addr);
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if (ogs_app()->parameter.no_ipv6 == 0)
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ogs_socknode_add(&list6, AF_INET6, addr);
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ogs_freeaddrinfo(addr);
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}
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if (dev) {
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rv = ogs_socknode_probe(
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ogs_app()->parameter.no_ipv4 ? NULL : &list,
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ogs_app()->parameter.no_ipv6 ? NULL : &list6,
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dev, port);
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ogs_assert(rv == OGS_OK);
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}
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addr = NULL;
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for (i = 0; i < num_of_advertise; i++) {
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rv = ogs_addaddrinfo(&addr,
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family, advertise[i], port, 0);
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ogs_assert(rv == OGS_OK);
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}
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node = ogs_list_first(&list);
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if (node) {
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ogs_sbi_server_t *server =
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ogs_sbi_server_add(node->addr);
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ogs_assert(server);
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if (addr && ogs_app()->parameter.no_ipv4 == 0)
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ogs_sbi_server_set_advertise(
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server, AF_INET, addr);
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if (key) server->tls.key = key;
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if (pem) server->tls.pem = pem;
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}
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node6 = ogs_list_first(&list6);
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if (node6) {
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ogs_sbi_server_t *server =
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ogs_sbi_server_add(node6->addr);
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ogs_assert(server);
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if (addr && ogs_app()->parameter.no_ipv6 == 0)
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ogs_sbi_server_set_advertise(
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server, AF_INET6, addr);
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if (key) server->tls.key = key;
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if (pem) server->tls.pem = pem;
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}
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if (addr)
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ogs_freeaddrinfo(addr);
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ogs_socknode_remove_all(&list);
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ogs_socknode_remove_all(&list6);
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} while (ogs_yaml_iter_type(&sbi_array) ==
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YAML_SEQUENCE_NODE);
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if (ogs_list_first(&self.server_list) == 0) {
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ogs_list_init(&list);
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ogs_list_init(&list6);
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rv = ogs_socknode_probe(
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ogs_app()->parameter.no_ipv4 ? NULL : &list,
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ogs_app()->parameter.no_ipv6 ? NULL : &list6,
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NULL, self.http_port);
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ogs_assert(rv == OGS_OK);
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node = ogs_list_first(&list);
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if (node) ogs_sbi_server_add(node->addr);
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node6 = ogs_list_first(&list6);
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if (node6) ogs_sbi_server_add(node6->addr);
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ogs_socknode_remove_all(&list);
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ogs_socknode_remove_all(&list6);
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}
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}
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}
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} else if (remote && !strcmp(root_key, remote)) {
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ogs_yaml_iter_t remote_iter;
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ogs_yaml_iter_recurse(&root_iter, &remote_iter);
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while (ogs_yaml_iter_next(&remote_iter)) {
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const char *remote_key = ogs_yaml_iter_key(&remote_iter);
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ogs_assert(remote_key);
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if (!strcmp(remote_key, "sbi")) {
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ogs_yaml_iter_t sbi_array, sbi_iter;
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ogs_yaml_iter_recurse(&remote_iter, &sbi_array);
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do {
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ogs_sbi_nf_instance_t *nf_instance = NULL;
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ogs_sbi_client_t *client = NULL;
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ogs_sockaddr_t *addr = NULL;
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int family = AF_UNSPEC;
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int i, num = 0;
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const char *hostname[OGS_MAX_NUM_OF_HOSTNAME];
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uint16_t port = self.http_port;
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const char *key = NULL;
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const char *pem = NULL;
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if (ogs_yaml_iter_type(&sbi_array) ==
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YAML_MAPPING_NODE) {
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memcpy(&sbi_iter, &sbi_array,
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sizeof(ogs_yaml_iter_t));
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} else if (ogs_yaml_iter_type(&sbi_array) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(&sbi_array))
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break;
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ogs_yaml_iter_recurse(&sbi_array, &sbi_iter);
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} else if (ogs_yaml_iter_type(&sbi_array) ==
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YAML_SCALAR_NODE) {
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break;
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} else
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ogs_assert_if_reached();
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while (ogs_yaml_iter_next(&sbi_iter)) {
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const char *sbi_key =
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ogs_yaml_iter_key(&sbi_iter);
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ogs_assert(sbi_key);
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if (!strcmp(sbi_key, "family")) {
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const char *v = ogs_yaml_iter_value(&sbi_iter);
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if (v) family = atoi(v);
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if (family != AF_UNSPEC &&
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family != AF_INET && family != AF_INET6) {
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ogs_warn("Ignore family(%d) : "
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"AF_UNSPEC(%d), "
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"AF_INET(%d), AF_INET6(%d) ",
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family, AF_UNSPEC, AF_INET, AF_INET6);
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family = AF_UNSPEC;
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}
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} else if (!strcmp(sbi_key, "addr") ||
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!strcmp(sbi_key, "name")) {
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ogs_yaml_iter_t hostname_iter;
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ogs_yaml_iter_recurse(&sbi_iter,
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&hostname_iter);
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ogs_assert(ogs_yaml_iter_type(&hostname_iter) !=
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YAML_MAPPING_NODE);
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do {
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if (ogs_yaml_iter_type(&hostname_iter) ==
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YAML_SEQUENCE_NODE) {
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if (!ogs_yaml_iter_next(&hostname_iter))
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break;
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}
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ogs_assert(num < OGS_MAX_NUM_OF_HOSTNAME);
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hostname[num++] =
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ogs_yaml_iter_value(&hostname_iter);
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} while (
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ogs_yaml_iter_type(&hostname_iter) ==
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YAML_SEQUENCE_NODE);
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} else if (!strcmp(sbi_key, "port")) {
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const char *v = ogs_yaml_iter_value(&sbi_iter);
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if (v) port = atoi(v);
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} else if (!strcmp(sbi_key, "tls")) {
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ogs_yaml_iter_t tls_iter;
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ogs_yaml_iter_recurse(&sbi_iter, &tls_iter);
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while (ogs_yaml_iter_next(&tls_iter)) {
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const char *tls_key =
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ogs_yaml_iter_key(&tls_iter);
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ogs_assert(tls_key);
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if (!strcmp(tls_key, "key")) {
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key = ogs_yaml_iter_value(&tls_iter);
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} else if (!strcmp(tls_key, "pem")) {
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pem = ogs_yaml_iter_value(&tls_iter);
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} else
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ogs_warn("unknown key `%s`", tls_key);
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}
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} else if (!strcmp(sbi_key, "advertise")) {
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/* Nothing in client */
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} else
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ogs_warn("unknown key `%s`", sbi_key);
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}
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addr = NULL;
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for (i = 0; i < num; i++) {
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rv = ogs_addaddrinfo(&addr,
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family, hostname[i], port, 0);
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ogs_assert(rv == OGS_OK);
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}
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ogs_filter_ip_version(&addr,
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ogs_app()->parameter.no_ipv4,
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ogs_app()->parameter.no_ipv6,
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ogs_app()->parameter.prefer_ipv4);
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if (addr == NULL) continue;
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client = ogs_sbi_client_add(addr);
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ogs_assert(client);
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nf_instance = ogs_sbi_nf_instance_add(
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ogs_sbi_self()->nf_instance_id);
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ogs_assert(nf_instance);
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OGS_SETUP_SBI_CLIENT(nf_instance, client);
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|
|
if (key) client->tls.key = key;
|
|
if (pem) client->tls.pem = pem;
|
|
|
|
ogs_freeaddrinfo(addr);
|
|
|
|
} while (ogs_yaml_iter_type(&sbi_array) ==
|
|
YAML_SEQUENCE_NODE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
rv = ogs_sbi_context_validation(local);
|
|
if (rv != OGS_OK) return rv;
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
ogs_sbi_nf_instance_t *ogs_sbi_nf_instance_add(char *id)
|
|
{
|
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
|
|
|
ogs_assert(id);
|
|
|
|
ogs_pool_alloc(&nf_instance_pool, &nf_instance);
|
|
ogs_assert(nf_instance);
|
|
memset(nf_instance, 0, sizeof(ogs_sbi_nf_instance_t));
|
|
|
|
nf_instance->reference_count++;
|
|
ogs_trace("ogs_sbi_nf_instance_add()");
|
|
|
|
nf_instance->id = ogs_strdup(id);
|
|
ogs_assert(nf_instance->id);
|
|
|
|
nf_instance->time.heartbeat_interval =
|
|
ogs_app()->time.nf_instance.heartbeat_interval;
|
|
|
|
nf_instance->t_registration_interval = ogs_timer_add(
|
|
ogs_app()->timer_mgr, NULL, nf_instance);
|
|
ogs_assert(nf_instance->t_registration_interval);
|
|
nf_instance->t_heartbeat_interval = ogs_timer_add(
|
|
ogs_app()->timer_mgr, NULL, nf_instance);
|
|
ogs_assert(nf_instance->t_heartbeat_interval);
|
|
nf_instance->t_no_heartbeat = ogs_timer_add(
|
|
ogs_app()->timer_mgr, NULL, nf_instance);
|
|
ogs_assert(nf_instance->t_no_heartbeat);
|
|
nf_instance->t_validity = ogs_timer_add(
|
|
ogs_app()->timer_mgr, NULL, nf_instance);
|
|
ogs_assert(nf_instance->t_validity);
|
|
|
|
ogs_list_add(&ogs_sbi_self()->nf_instance_list, nf_instance);
|
|
|
|
return nf_instance;
|
|
}
|
|
|
|
void ogs_sbi_nf_instance_clear(ogs_sbi_nf_instance_t *nf_instance)
|
|
{
|
|
int i;
|
|
|
|
ogs_assert(nf_instance);
|
|
|
|
for (i = 0; i < nf_instance->num_of_ipv4; i++) {
|
|
if (nf_instance->ipv4[i])
|
|
ogs_freeaddrinfo(nf_instance->ipv4[i]);
|
|
}
|
|
nf_instance->num_of_ipv4 = 0;
|
|
|
|
for (i = 0; i < nf_instance->num_of_ipv6; i++) {
|
|
if (nf_instance->ipv6[i])
|
|
ogs_freeaddrinfo(nf_instance->ipv6[i]);
|
|
}
|
|
nf_instance->num_of_ipv6 = 0;
|
|
}
|
|
|
|
void ogs_sbi_nf_instance_remove(ogs_sbi_nf_instance_t *nf_instance)
|
|
{
|
|
ogs_assert(nf_instance);
|
|
|
|
ogs_trace("nf_instance->reference_count = %d",
|
|
nf_instance->reference_count);
|
|
nf_instance->reference_count--;
|
|
if (nf_instance->reference_count > 0)
|
|
return;
|
|
|
|
ogs_trace("ogs_sbi_nf_instance_remove()");
|
|
ogs_list_remove(&ogs_sbi_self()->nf_instance_list, nf_instance);
|
|
|
|
ogs_sbi_nf_info_remove_all(&nf_instance->nf_info_list);
|
|
|
|
ogs_sbi_subscription_remove_all_by_nf_instance_id(nf_instance->id);
|
|
ogs_sbi_nf_service_remove_all(nf_instance);
|
|
|
|
ogs_sbi_nf_instance_clear(nf_instance);
|
|
|
|
ogs_assert(nf_instance->id);
|
|
ogs_free(nf_instance->id);
|
|
|
|
ogs_timer_delete(nf_instance->t_registration_interval);
|
|
ogs_timer_delete(nf_instance->t_heartbeat_interval);
|
|
ogs_timer_delete(nf_instance->t_no_heartbeat);
|
|
ogs_timer_delete(nf_instance->t_validity);
|
|
|
|
if (nf_instance->client)
|
|
ogs_sbi_client_remove(nf_instance->client);
|
|
|
|
if (nf_instance->nf_profile)
|
|
OpenAPI_nf_profile_free(nf_instance->nf_profile);
|
|
|
|
ogs_pool_free(&nf_instance_pool, nf_instance);
|
|
}
|
|
|
|
void ogs_sbi_nf_instance_remove_all(void)
|
|
{
|
|
ogs_sbi_nf_instance_t *nf_instance = NULL, *next_nf_instance = NULL;
|
|
|
|
ogs_list_for_each_safe(
|
|
&ogs_sbi_self()->nf_instance_list, next_nf_instance, nf_instance)
|
|
ogs_sbi_nf_instance_remove(nf_instance);
|
|
}
|
|
|
|
ogs_sbi_nf_instance_t *ogs_sbi_nf_instance_find(char *id)
|
|
{
|
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
|
|
|
ogs_assert(id);
|
|
|
|
ogs_list_for_each(&ogs_sbi_self()->nf_instance_list, nf_instance) {
|
|
ogs_assert(nf_instance->id);
|
|
if (strcmp(nf_instance->id, id) == 0)
|
|
break;
|
|
}
|
|
|
|
return nf_instance;
|
|
}
|
|
|
|
ogs_sbi_nf_service_t *ogs_sbi_nf_service_add(ogs_sbi_nf_instance_t *nf_instance,
|
|
char *id, char *name, OpenAPI_uri_scheme_e scheme)
|
|
{
|
|
ogs_sbi_nf_service_t *nf_service = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
ogs_assert(id);
|
|
ogs_assert(name);
|
|
|
|
ogs_pool_alloc(&nf_service_pool, &nf_service);
|
|
ogs_assert(nf_service);
|
|
memset(nf_service, 0, sizeof(ogs_sbi_nf_service_t));
|
|
|
|
nf_service->id = ogs_strdup(id);
|
|
ogs_assert(nf_service->id);
|
|
nf_service->name = ogs_strdup(name);
|
|
ogs_assert(nf_service->name);
|
|
nf_service->scheme = scheme;
|
|
|
|
nf_service->status = OpenAPI_nf_service_status_REGISTERED;
|
|
|
|
nf_service->nf_instance = nf_instance;
|
|
|
|
ogs_list_add(&nf_instance->nf_service_list, nf_service);
|
|
|
|
return nf_service;
|
|
}
|
|
|
|
void ogs_sbi_nf_service_add_version(ogs_sbi_nf_service_t *nf_service,
|
|
char *in_uri, char *full, char *expiry)
|
|
{
|
|
ogs_assert(nf_service);
|
|
|
|
ogs_assert(in_uri);
|
|
ogs_assert(full);
|
|
|
|
if (nf_service->num_of_version < OGS_SBI_MAX_NUM_OF_SERVICE_VERSION) {
|
|
nf_service->versions[nf_service->num_of_version].in_uri =
|
|
ogs_strdup(in_uri);
|
|
nf_service->versions[nf_service->num_of_version].full =
|
|
ogs_strdup(full);
|
|
if (expiry)
|
|
nf_service->versions[nf_service->num_of_version].expiry =
|
|
ogs_strdup(expiry);
|
|
nf_service->num_of_version++;
|
|
}
|
|
}
|
|
|
|
void ogs_sbi_nf_service_clear(ogs_sbi_nf_service_t *nf_service)
|
|
{
|
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
|
int i;
|
|
|
|
ogs_assert(nf_service);
|
|
nf_instance = nf_service->nf_instance;
|
|
ogs_assert(nf_instance);
|
|
|
|
for (i = 0; i < nf_service->num_of_version; i++) {
|
|
if (nf_service->versions[i].in_uri)
|
|
ogs_free(nf_service->versions[i].in_uri);
|
|
if (nf_service->versions[i].full)
|
|
ogs_free(nf_service->versions[i].full);
|
|
if (nf_service->versions[i].expiry)
|
|
ogs_free(nf_service->versions[i].expiry);
|
|
}
|
|
nf_service->num_of_version = 0;
|
|
|
|
for (i = 0; i < nf_service->num_of_addr; i++) {
|
|
if (nf_service->addr[i].ipv4)
|
|
ogs_freeaddrinfo(nf_service->addr[i].ipv4);
|
|
if (nf_service->addr[i].ipv6)
|
|
ogs_freeaddrinfo(nf_service->addr[i].ipv6);
|
|
}
|
|
nf_service->num_of_addr = 0;
|
|
}
|
|
|
|
void ogs_sbi_nf_service_remove(ogs_sbi_nf_service_t *nf_service)
|
|
{
|
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
|
|
|
ogs_assert(nf_service);
|
|
nf_instance = nf_service->nf_instance;
|
|
ogs_assert(nf_instance);
|
|
|
|
ogs_list_remove(&nf_instance->nf_service_list, nf_service);
|
|
|
|
ogs_assert(nf_service->id);
|
|
ogs_free(nf_service->id);
|
|
|
|
ogs_assert(nf_service->name);
|
|
ogs_free(nf_service->name);
|
|
|
|
ogs_sbi_nf_service_clear(nf_service);
|
|
|
|
if (nf_service->client)
|
|
ogs_sbi_client_remove(nf_service->client);
|
|
|
|
ogs_pool_free(&nf_service_pool, nf_service);
|
|
}
|
|
|
|
void ogs_sbi_nf_service_remove_all(ogs_sbi_nf_instance_t *nf_instance)
|
|
{
|
|
ogs_sbi_nf_service_t *nf_service = NULL, *next_nf_service = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
|
|
ogs_list_for_each_safe(&nf_instance->nf_service_list,
|
|
next_nf_service, nf_service)
|
|
ogs_sbi_nf_service_remove(nf_service);
|
|
}
|
|
|
|
ogs_sbi_nf_service_t *ogs_sbi_nf_service_find_by_id(
|
|
ogs_sbi_nf_instance_t *nf_instance, char *id)
|
|
{
|
|
ogs_sbi_nf_service_t *nf_service = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
ogs_assert(id);
|
|
|
|
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
|
|
ogs_assert(nf_service->id);
|
|
if (strcmp(nf_service->id, id) == 0)
|
|
break;
|
|
}
|
|
|
|
return nf_service;
|
|
}
|
|
|
|
ogs_sbi_nf_service_t *ogs_sbi_nf_service_find_by_name(
|
|
ogs_sbi_nf_instance_t *nf_instance, char *name)
|
|
{
|
|
ogs_sbi_nf_service_t *nf_service = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
ogs_assert(name);
|
|
|
|
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
|
|
ogs_assert(nf_service->name);
|
|
if (strcmp(nf_service->name, name) == 0)
|
|
break;
|
|
}
|
|
|
|
return nf_service;
|
|
}
|
|
|
|
ogs_sbi_nf_info_t *ogs_sbi_nf_info_add(
|
|
ogs_list_t *list, OpenAPI_nf_type_e nf_type)
|
|
{
|
|
ogs_sbi_nf_info_t *nf_info = NULL;
|
|
|
|
ogs_assert(list);
|
|
ogs_assert(nf_type);
|
|
|
|
ogs_pool_alloc(&nf_info_pool, &nf_info);
|
|
ogs_assert(nf_info);
|
|
memset(nf_info, 0, sizeof(*nf_info));
|
|
|
|
nf_info->nf_type = nf_type;
|
|
|
|
ogs_list_add(list, nf_info);
|
|
|
|
return nf_info;
|
|
}
|
|
|
|
static void smf_info_free(ogs_sbi_smf_info_t *smf_info)
|
|
{
|
|
int i, j;
|
|
ogs_assert(smf_info);
|
|
|
|
for (i = 0; i < smf_info->num_of_slice; i++) {
|
|
for (j = 0; j < smf_info->slice[i].num_of_dnn; j++)
|
|
ogs_free(smf_info->slice[i].dnn[j]);
|
|
smf_info->slice[i].num_of_dnn = 0;
|
|
}
|
|
smf_info->num_of_slice = 0;
|
|
smf_info->num_of_nr_tai = 0;
|
|
smf_info->num_of_nr_tai_range = 0;
|
|
|
|
ogs_pool_free(&smf_info_pool, smf_info);
|
|
}
|
|
|
|
void ogs_sbi_nf_info_remove(ogs_list_t *list, ogs_sbi_nf_info_t *nf_info)
|
|
{
|
|
ogs_assert(list);
|
|
ogs_assert(nf_info);
|
|
|
|
ogs_list_remove(list, nf_info);
|
|
|
|
switch(nf_info->nf_type) {
|
|
case OpenAPI_nf_type_SMF:
|
|
smf_info_free(&nf_info->smf);
|
|
break;
|
|
default:
|
|
ogs_fatal("Not implemented NF-type[%s]",
|
|
OpenAPI_nf_type_ToString(nf_info->nf_type));
|
|
ogs_assert_if_reached();
|
|
}
|
|
|
|
ogs_pool_free(&nf_info_pool, nf_info);
|
|
}
|
|
|
|
void ogs_sbi_nf_info_remove_all(ogs_list_t *list)
|
|
{
|
|
ogs_sbi_nf_info_t *nf_info = NULL, *next_nf_info = NULL;
|
|
|
|
ogs_assert(list);
|
|
|
|
ogs_list_for_each_safe(list, next_nf_info, nf_info)
|
|
ogs_sbi_nf_info_remove(list, nf_info);
|
|
}
|
|
|
|
void ogs_sbi_nf_instance_build_default(
|
|
ogs_sbi_nf_instance_t *nf_instance, OpenAPI_nf_type_e nf_type)
|
|
{
|
|
ogs_sbi_server_t *server = NULL;
|
|
char *hostname = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
|
|
nf_instance->nf_type = nf_type;
|
|
nf_instance->nf_status = OpenAPI_nf_status_REGISTERED;
|
|
|
|
hostname = NULL;
|
|
ogs_list_for_each(&ogs_sbi_self()->server_list, server) {
|
|
ogs_sockaddr_t *advertise = NULL;
|
|
|
|
advertise = server->advertise;
|
|
if (!advertise)
|
|
advertise = server->node.addr;
|
|
ogs_assert(advertise);
|
|
|
|
/* First FQDN is selected */
|
|
if (!hostname) {
|
|
hostname = ogs_gethostname(advertise);
|
|
if (hostname)
|
|
continue;
|
|
}
|
|
|
|
if (nf_instance->num_of_ipv4 < OGS_SBI_MAX_NUM_OF_IP_ADDRESS) {
|
|
ogs_sockaddr_t *addr = NULL;
|
|
ogs_copyaddrinfo(&addr, advertise);
|
|
ogs_assert(addr);
|
|
|
|
if (addr->ogs_sa_family == AF_INET) {
|
|
nf_instance->ipv4[nf_instance->num_of_ipv4] = addr;
|
|
nf_instance->num_of_ipv4++;
|
|
} else if (addr->ogs_sa_family == AF_INET6) {
|
|
nf_instance->ipv6[nf_instance->num_of_ipv6] = addr;
|
|
nf_instance->num_of_ipv6++;
|
|
} else
|
|
ogs_assert_if_reached();
|
|
}
|
|
}
|
|
|
|
if (hostname)
|
|
strcpy(nf_instance->fqdn, hostname);
|
|
|
|
nf_instance->time.heartbeat_interval =
|
|
ogs_app()->time.nf_instance.heartbeat_interval;
|
|
}
|
|
|
|
ogs_sbi_nf_service_t *ogs_sbi_nf_service_build_default(
|
|
ogs_sbi_nf_instance_t *nf_instance, char *name)
|
|
{
|
|
ogs_sbi_server_t *server = NULL;
|
|
ogs_sbi_client_t *client = NULL;
|
|
ogs_sbi_nf_service_t *nf_service = NULL;
|
|
ogs_uuid_t uuid;
|
|
char id[OGS_UUID_FORMATTED_LENGTH + 1];
|
|
char *hostname = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
ogs_assert(name);
|
|
|
|
ogs_uuid_get(&uuid);
|
|
ogs_uuid_format(id, &uuid);
|
|
|
|
client = nf_instance->client;
|
|
ogs_assert(client);
|
|
|
|
nf_service = ogs_sbi_nf_service_add(nf_instance, id, name,
|
|
(client->tls.key && client->tls.pem) ?
|
|
OpenAPI_uri_scheme_https : OpenAPI_uri_scheme_http);
|
|
ogs_assert(nf_service);
|
|
OGS_SETUP_SBI_CLIENT(nf_service, client);
|
|
|
|
hostname = NULL;
|
|
ogs_list_for_each(&ogs_sbi_self()->server_list, server) {
|
|
ogs_sockaddr_t *advertise = NULL;
|
|
|
|
advertise = server->advertise;
|
|
if (!advertise)
|
|
advertise = server->node.addr;
|
|
ogs_assert(advertise);
|
|
|
|
/* First FQDN is selected */
|
|
if (!hostname) {
|
|
hostname = ogs_gethostname(advertise);
|
|
if (hostname)
|
|
continue;
|
|
}
|
|
|
|
if (nf_service->num_of_addr < OGS_SBI_MAX_NUM_OF_IP_ADDRESS) {
|
|
int port = 0;
|
|
ogs_sockaddr_t *addr = NULL;
|
|
ogs_copyaddrinfo(&addr, advertise);
|
|
ogs_assert(addr);
|
|
|
|
port = OGS_PORT(addr);
|
|
if (nf_service->scheme == OpenAPI_uri_scheme_https) {
|
|
if (port == OGS_SBI_HTTPS_PORT) port = 0;
|
|
} else if (nf_service->scheme == OpenAPI_uri_scheme_http) {
|
|
if (port == OGS_SBI_HTTP_PORT) port = 0;
|
|
}
|
|
|
|
nf_service->addr[nf_service->num_of_addr].port = port;
|
|
if (addr->ogs_sa_family == AF_INET) {
|
|
nf_service->addr[nf_service->num_of_addr].ipv4 = addr;
|
|
} else if (addr->ogs_sa_family == AF_INET6) {
|
|
nf_service->addr[nf_service->num_of_addr].ipv6 = addr;
|
|
} else
|
|
ogs_assert_if_reached();
|
|
|
|
nf_service->num_of_addr++;
|
|
}
|
|
}
|
|
|
|
if (hostname)
|
|
strcpy(nf_service->fqdn, hostname);
|
|
|
|
return nf_service;
|
|
}
|
|
|
|
static ogs_sbi_client_t *find_client_by_fqdn(char *fqdn, int port)
|
|
{
|
|
int rv;
|
|
ogs_sockaddr_t *addr = NULL;
|
|
ogs_sbi_client_t *client = NULL;
|
|
|
|
rv = ogs_getaddrinfo(&addr, AF_UNSPEC, fqdn,
|
|
port ? port : OGS_SBI_HTTPS_PORT, 0);
|
|
if (rv != OGS_OK) {
|
|
ogs_error("Invalid NFProfile.fqdn");
|
|
return NULL;
|
|
}
|
|
|
|
client = ogs_sbi_client_find(addr);
|
|
if (!client) {
|
|
client = ogs_sbi_client_add(addr);
|
|
ogs_assert(client);
|
|
}
|
|
|
|
ogs_freeaddrinfo(addr);
|
|
|
|
return client;
|
|
}
|
|
|
|
static ogs_sbi_client_t *nf_instance_find_client(
|
|
ogs_sbi_nf_instance_t *nf_instance)
|
|
{
|
|
ogs_sbi_client_t *client = NULL;
|
|
ogs_sockaddr_t *addr = NULL;
|
|
|
|
if (strlen(nf_instance->fqdn))
|
|
client = find_client_by_fqdn(nf_instance->fqdn, 0);
|
|
|
|
if (!client) {
|
|
/* At this point, CLIENT selection method is very simple. */
|
|
if (nf_instance->num_of_ipv4) addr = nf_instance->ipv4[0];
|
|
if (nf_instance->num_of_ipv6) addr = nf_instance->ipv6[0];
|
|
|
|
if (addr) {
|
|
client = ogs_sbi_client_find(addr);
|
|
if (!client) {
|
|
client = ogs_sbi_client_add(addr);
|
|
ogs_assert(client);
|
|
}
|
|
}
|
|
}
|
|
|
|
return client;
|
|
}
|
|
|
|
static void nf_service_associate_client(ogs_sbi_nf_service_t *nf_service)
|
|
{
|
|
ogs_sbi_client_t *client = NULL;
|
|
ogs_sockaddr_t *addr = NULL;
|
|
|
|
if (strlen(nf_service->fqdn))
|
|
client = find_client_by_fqdn(nf_service->fqdn, 0);
|
|
|
|
if (!client) {
|
|
/* At this point, CLIENT selection method is very simple. */
|
|
if (nf_service->num_of_addr) {
|
|
addr = nf_service->addr[0].ipv6;
|
|
if (!addr)
|
|
addr = nf_service->addr[0].ipv4;
|
|
}
|
|
|
|
if (addr) {
|
|
client = ogs_sbi_client_find(addr);
|
|
if (!client) {
|
|
client = ogs_sbi_client_add(addr);
|
|
ogs_assert(client);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (client) {
|
|
if (nf_service->client && nf_service->client != client) {
|
|
ogs_warn("NF EndPoint updated [%s]", nf_service->id);
|
|
ogs_sbi_client_remove(nf_service->client);
|
|
}
|
|
OGS_SETUP_SBI_CLIENT(nf_service, client);
|
|
}
|
|
}
|
|
|
|
static void nf_service_associate_client_all(ogs_sbi_nf_instance_t *nf_instance)
|
|
{
|
|
ogs_sbi_nf_service_t *nf_service = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
|
|
ogs_list_for_each(&nf_instance->nf_service_list, nf_service)
|
|
nf_service_associate_client(nf_service);
|
|
}
|
|
|
|
void ogs_sbi_select_nrf(ogs_sbi_object_t *sbi_object, void *state)
|
|
{
|
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
|
|
|
ogs_assert(sbi_object);
|
|
|
|
/* SELF NF Instace is used for NRF Instance */
|
|
nf_instance = ogs_sbi_nf_instance_find(ogs_sbi_self()->nf_instance_id);
|
|
if (nf_instance && OGS_FSM_CHECK(&nf_instance->sm, state))
|
|
OGS_SBI_SETUP_NF(sbi_object, OpenAPI_nf_type_NRF, nf_instance);
|
|
}
|
|
|
|
void ogs_sbi_select_first_nf(
|
|
ogs_sbi_object_t *sbi_object, OpenAPI_nf_type_e nf_type, void *state)
|
|
{
|
|
ogs_sbi_nf_instance_t *nf_instance = NULL;
|
|
|
|
ogs_assert(sbi_object);
|
|
ogs_assert(nf_type);
|
|
ogs_assert(state);
|
|
|
|
ogs_list_for_each(&ogs_sbi_self()->nf_instance_list, nf_instance) {
|
|
if (OGS_FSM_CHECK(&nf_instance->sm, state) &&
|
|
nf_instance->nf_type == nf_type) {
|
|
OGS_SBI_SETUP_NF(sbi_object, nf_type, nf_instance);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool ogs_sbi_client_associate(ogs_sbi_nf_instance_t *nf_instance)
|
|
{
|
|
ogs_sbi_client_t *client = NULL;
|
|
|
|
ogs_assert(nf_instance);
|
|
|
|
client = nf_instance_find_client(nf_instance);
|
|
if (!client) return false;
|
|
|
|
if (nf_instance->client && nf_instance->client != client) {
|
|
ogs_warn("NF EndPoint updated [%s]", nf_instance->id);
|
|
ogs_sbi_client_remove(nf_instance->client);
|
|
}
|
|
|
|
OGS_SETUP_SBI_CLIENT(nf_instance, client);
|
|
|
|
nf_service_associate_client_all(nf_instance);
|
|
|
|
return true;
|
|
}
|
|
|
|
ogs_sbi_client_t *ogs_sbi_client_find_by_service_name(
|
|
ogs_sbi_nf_instance_t *nf_instance, char *name, char *version)
|
|
{
|
|
ogs_sbi_nf_service_t *nf_service = NULL;
|
|
int i;
|
|
|
|
ogs_assert(nf_instance);
|
|
ogs_assert(name);
|
|
ogs_assert(version);
|
|
|
|
ogs_list_for_each(&nf_instance->nf_service_list, nf_service) {
|
|
ogs_assert(nf_service->name);
|
|
if (strcmp(nf_service->name, name) == 0) {
|
|
for (i = 0; i < nf_service->num_of_version; i++) {
|
|
if (strcmp(nf_service->versions[i].in_uri, version) == 0) {
|
|
return nf_service->client;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
ogs_error("[Fallback] Cannot find NF service[%s:%s]", name, version);
|
|
return nf_instance->client;
|
|
}
|
|
|
|
void ogs_sbi_object_free(ogs_sbi_object_t *sbi_object)
|
|
{
|
|
int i;
|
|
|
|
ogs_assert(sbi_object);
|
|
|
|
if (ogs_list_count(&sbi_object->xact_list))
|
|
ogs_error("SBI running [%d]", ogs_list_count(&sbi_object->xact_list));
|
|
|
|
for (i = 0; i < OGS_SBI_MAX_NF_TYPE; i++) {
|
|
if (OGS_SBI_NF_INSTANCE(sbi_object, i))
|
|
ogs_sbi_nf_instance_remove(OGS_SBI_NF_INSTANCE(sbi_object, i));
|
|
}
|
|
}
|
|
|
|
ogs_sbi_xact_t *ogs_sbi_xact_add(
|
|
OpenAPI_nf_type_e target_nf_type, ogs_sbi_object_t *sbi_object,
|
|
ogs_sbi_build_f build, void *context, void *data,
|
|
void (*timer_cb)(void *data))
|
|
{
|
|
ogs_sbi_xact_t *xact = NULL;
|
|
|
|
ogs_assert(sbi_object);
|
|
|
|
ogs_pool_alloc(&xact_pool, &xact);
|
|
if (!xact) return NULL;
|
|
memset(xact, 0, sizeof(ogs_sbi_xact_t));
|
|
|
|
xact->target_nf_type = target_nf_type;
|
|
xact->sbi_object = sbi_object;
|
|
|
|
xact->request = (*build)(context, data);
|
|
ogs_assert(xact->request);
|
|
|
|
xact->t_response = ogs_timer_add(
|
|
ogs_app()->timer_mgr, timer_cb, xact);
|
|
ogs_assert(xact->t_response);
|
|
|
|
ogs_timer_start(xact->t_response,
|
|
ogs_app()->time.message.sbi.client_wait_duration);
|
|
|
|
ogs_list_add(&sbi_object->xact_list, xact);
|
|
|
|
return xact;
|
|
}
|
|
|
|
void ogs_sbi_xact_remove(ogs_sbi_xact_t *xact)
|
|
{
|
|
ogs_sbi_object_t *sbi_object = NULL;
|
|
|
|
ogs_assert(xact);
|
|
sbi_object = xact->sbi_object;
|
|
ogs_assert(sbi_object);
|
|
|
|
ogs_assert(xact->t_response);
|
|
ogs_timer_delete(xact->t_response);
|
|
|
|
/* If ogs_sbi_send() is called, xact->request has already been freed */
|
|
if (xact->request)
|
|
ogs_sbi_request_free(xact->request);
|
|
|
|
ogs_list_remove(&sbi_object->xact_list, xact);
|
|
ogs_pool_free(&xact_pool, xact);
|
|
}
|
|
|
|
void ogs_sbi_xact_remove_all(ogs_sbi_object_t *sbi_object)
|
|
{
|
|
ogs_sbi_xact_t *xact = NULL, *next_xact = NULL;
|
|
|
|
ogs_assert(sbi_object);
|
|
|
|
ogs_list_for_each_safe(&sbi_object->xact_list, next_xact, xact)
|
|
ogs_sbi_xact_remove(xact);
|
|
}
|
|
|
|
ogs_sbi_subscription_t *ogs_sbi_subscription_add(void)
|
|
{
|
|
ogs_sbi_subscription_t *subscription = NULL;
|
|
|
|
ogs_pool_alloc(&subscription_pool, &subscription);
|
|
ogs_assert(subscription);
|
|
memset(subscription, 0, sizeof(ogs_sbi_subscription_t));
|
|
|
|
subscription->time.validity_duration =
|
|
ogs_app()->time.subscription.validity_duration;
|
|
|
|
ogs_list_add(&ogs_sbi_self()->subscription_list, subscription);
|
|
|
|
return subscription;
|
|
}
|
|
|
|
void ogs_sbi_subscription_set_id(ogs_sbi_subscription_t *subscription, char *id)
|
|
{
|
|
ogs_assert(subscription);
|
|
ogs_assert(id);
|
|
|
|
subscription->id = ogs_strdup(id);
|
|
ogs_assert(subscription->id);
|
|
}
|
|
|
|
void ogs_sbi_subscription_remove(ogs_sbi_subscription_t *subscription)
|
|
{
|
|
ogs_assert(subscription);
|
|
|
|
ogs_list_remove(&ogs_sbi_self()->subscription_list, subscription);
|
|
|
|
if (subscription->id)
|
|
ogs_free(subscription->id);
|
|
|
|
if (subscription->notification_uri)
|
|
ogs_free(subscription->notification_uri);
|
|
|
|
if (subscription->req_nf_instance_id)
|
|
ogs_free(subscription->req_nf_instance_id);
|
|
|
|
if (subscription->t_validity)
|
|
ogs_timer_delete(subscription->t_validity);
|
|
|
|
if (subscription->client)
|
|
ogs_sbi_client_remove(subscription->client);
|
|
|
|
ogs_pool_free(&subscription_pool, subscription);
|
|
}
|
|
|
|
void ogs_sbi_subscription_remove_all_by_nf_instance_id(char *nf_instance_id)
|
|
{
|
|
ogs_sbi_subscription_t *subscription = NULL, *next_subscription = NULL;
|
|
|
|
ogs_assert(nf_instance_id);
|
|
|
|
ogs_list_for_each_safe(&ogs_sbi_self()->subscription_list,
|
|
next_subscription, subscription) {
|
|
if (subscription->req_nf_instance_id &&
|
|
strcmp(subscription->req_nf_instance_id, nf_instance_id) == 0) {
|
|
ogs_sbi_subscription_remove(subscription);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ogs_sbi_subscription_remove_all(void)
|
|
{
|
|
ogs_sbi_subscription_t *subscription = NULL, *next_subscription = NULL;
|
|
|
|
ogs_list_for_each_safe(&ogs_sbi_self()->subscription_list,
|
|
next_subscription, subscription)
|
|
ogs_sbi_subscription_remove(subscription);
|
|
}
|
|
|
|
ogs_sbi_subscription_t *ogs_sbi_subscription_find(char *id)
|
|
{
|
|
ogs_sbi_subscription_t *subscription = NULL;
|
|
|
|
ogs_assert(id);
|
|
|
|
ogs_list_for_each(&ogs_sbi_self()->subscription_list, subscription) {
|
|
ogs_assert(subscription->id);
|
|
if (strcmp(subscription->id, id) == 0)
|
|
break;
|
|
}
|
|
|
|
return subscription;
|
|
}
|