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/*
* Copyright (C) 2019-2023 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef AF_CONTEXT_H
#define AF_CONTEXT_H
#include "ogs-sbi.h"
#include "ogs-app.h"
#include "event.h"
#include "local.h"
#include "af-sm.h"
#ifdef __cplusplus
extern "C" {
#endif
extern int __af_log_domain;
#undef OGS_LOG_DOMAIN
#define OGS_LOG_DOMAIN __af_log_domain
typedef struct af_context_s {
ogs_hash_t *supi_hash; /* hash table (SUPI) */
ogs_hash_t *ipv4_hash; /* hash table (IPv4 Address) */
ogs_hash_t *ipv6_hash; /* hash table (IPv6 Address) */
ogs_hash_t *pcf_app_session_id_hash; /* hash table (AppSessionId) */
ogs_list_t sess_list;
} af_context_t;
typedef struct af_sess_s af_sess_t;
typedef struct af_sess_s {
ogs_sbi_object_t sbi;
uint64_t policyauthorization_features;
#define PCF_APP_SESSION_ASSOCIATED(__sESS) \
((__sESS) && ((__sESS)->app_session.pcf_id))
#define PCF_APP_SESSION_CLEAR(__sESS) \
do { \
ogs_assert((__sESS)); \
if ((__sESS)->app_session.pcf.resource_uri) \
ogs_free((__sESS)->app_session.pcf.resource_uri); \
(__sESS)->app_session.pcf.resource_uri = NULL; \
if ((__sESS)->app_session.pcf.id) \
ogs_free((__sESS)->app_session.pcf.id); \
(__sESS)->app_session.pcf.id = NULL; \
} while(0)
#define PCF_APP_SESSION_STORE(__sESS, __rESOURCE_URI, __iD) \
do { \
ogs_assert((__sESS)); \
ogs_assert((__rESOURCE_URI)); \
ogs_assert((__iD)); \
PCF_APP_SESSION_CLEAR(__sESS); \
(__sESS)->app_session.pcf.resource_uri = ogs_strdup(__rESOURCE_URI); \
ogs_assert((__sESS)->app_session.pcf.resource_uri); \
(__sESS)->app_session.pcf.id = ogs_strdup(__iD); \
ogs_assert((__sESS)->app_session.pcf.id); \
} while(0)
struct {
struct {
char *id;
} af;
struct {
char *resource_uri;
char *id;
ogs_sbi_client_t *client;
} pcf;
} app_session;
char *ipv4addr;
char *ipv6addr;
char *ipv6prefix;
char *supi;
char *gpsi;
ogs_s_nssai_t s_nssai;
char *dnn;
struct {
char *fqdn;
int num_of_ip;
struct {
ogs_sockaddr_t *addr;
ogs_sockaddr_t *addr6;
bool is_port;
int port;
} ip[OGS_SBI_MAX_NUM_OF_IP_ADDRESS];
ogs_sbi_client_t *client;
} pcf;
} af_sess_t;
void af_context_init(void);
void af_context_final(void);
af_context_t *af_self(void);
int af_context_parse_config(void);
af_sess_t *af_sess_add_by_ue_address(ogs_ip_t *ue_address);
void af_sess_remove(af_sess_t *sess);
void af_sess_remove_all(void);
af_sess_t *af_sess_find(uint32_t index);
af_sess_t *af_sess_find_by_af_app_session_id(char *af_app_session_id);
void af_sess_associate_pcf_client(af_sess_t *sess);
#ifdef __cplusplus
}
#endif
#endif /* AF_CONTEXT_H */
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