158 lines
3.7 KiB
C
158 lines
3.7 KiB
C
/*
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* Copyright (C) 2019-2022 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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static scp_context_t self;
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int __scp_log_domain;
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static OGS_POOL(scp_conn_pool, scp_conn_t);
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static int context_initialized = 0;
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static int max_num_of_scp_conn = 0;
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void scp_context_init(void)
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{
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ogs_assert(context_initialized == 0);
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/* Initialize SCP context */
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memset(&self, 0, sizeof(scp_context_t));
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ogs_log_install_domain(&__scp_log_domain, "scp", ogs_core()->log.level);
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#define MAX_NUM_OF_SCP_CONN 8
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max_num_of_scp_conn = ogs_app()->max.ue * MAX_NUM_OF_SCP_CONN;
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ogs_pool_init(&scp_conn_pool, max_num_of_scp_conn);
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context_initialized = 1;
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}
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void scp_context_final(void)
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{
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ogs_assert(context_initialized == 1);
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scp_conn_remove_all();
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ogs_pool_final(&scp_conn_pool);
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context_initialized = 0;
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}
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scp_context_t *scp_self(void)
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{
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return &self;
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}
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static int scp_context_prepare(void)
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{
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return OGS_OK;
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}
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static int scp_context_validation(void)
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{
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return OGS_OK;
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}
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int scp_context_parse_config(void)
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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 = scp_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 (!strcmp(root_key, "scp")) {
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ogs_yaml_iter_t scp_iter;
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ogs_yaml_iter_recurse(&root_iter, &scp_iter);
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while (ogs_yaml_iter_next(&scp_iter)) {
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const char *scp_key = ogs_yaml_iter_key(&scp_iter);
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ogs_assert(scp_key);
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if (!strcmp(scp_key, "sbi")) {
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/* handle config in sbi library */
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} else if (!strcmp(scp_key, "service_name")) {
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/* handle config in sbi library */
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} else
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ogs_warn("unknown key `%s`", scp_key);
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}
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}
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}
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rv = scp_context_validation();
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if (rv != OGS_OK) return rv;
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return OGS_OK;
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}
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scp_conn_t *scp_conn_add(ogs_sbi_stream_t *stream)
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{
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scp_conn_t *conn = NULL;
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ogs_assert(stream);
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ogs_pool_alloc(&scp_conn_pool, &conn);
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if (!conn) {
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ogs_error("Maximum number of connection[%d] reached",
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max_num_of_scp_conn);
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return NULL;
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}
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memset(conn, 0, sizeof *conn);
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conn->stream = stream;
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ogs_list_add(&self.conn_list, conn);
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return conn;
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}
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void scp_conn_remove(scp_conn_t *conn)
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{
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ogs_assert(conn);
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ogs_list_remove(&self.conn_list, conn);
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if (conn->client)
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ogs_sbi_client_remove(conn->client);
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ogs_pool_free(&scp_conn_pool, conn);
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}
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void scp_conn_remove_all(void)
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{
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scp_conn_t *conn = NULL, *next_conn = NULL;
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ogs_list_for_each_safe(&self.conn_list, next_conn, conn)
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scp_conn_remove(conn);
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}
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scp_conn_t *scp_conn_find(uint32_t index)
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{
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return ogs_pool_find(&scp_conn_pool, index);
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}
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