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/*
* Copyright (C) 2019-2022 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 UDM_CONTEXT_H
#define UDM_CONTEXT_H
#include "ogs-app.h"
#include "ogs-crypt.h"
#include "ogs-sbi.h"
#include "udm-sm.h"
#ifdef __cplusplus
extern "C" {
#endif
extern int __udm_log_domain;
#undef OGS_LOG_DOMAIN
#define OGS_LOG_DOMAIN __udm_log_domain
typedef struct udm_context_s {
ogs_list_t udm_ue_list;
ogs_list_t sdm_subscription_list;
ogs_hash_t *suci_hash;
ogs_hash_t *supi_hash;
ogs_hash_t *sdm_subscription_id_hash;
} udm_context_t;
struct udm_ue_s {
ogs_sbi_object_t sbi;
ogs_pool_id_t id;
ogs_fsm_t sm;
OpenAPI_auth_event_t *auth_event;
OpenAPI_amf3_gpp_access_registration_t *amf_3gpp_access_registration;
char *ctx_id;
char *suci;
char *supi;
char *serving_network_name;
char *ausf_instance_id;
char *amf_instance_id;
char *dereg_callback_uri;
uint8_t k[OGS_KEY_LEN];
uint8_t opc[OGS_KEY_LEN];
uint8_t amf[OGS_AMF_LEN];
uint8_t rand[OGS_RAND_LEN];
uint8_t sqn[OGS_SQN_LEN];
ogs_guami_t guami;
OpenAPI_auth_type_e auth_type;
OpenAPI_rat_type_e rat_type;
ogs_list_t sess_list;
ogs_list_t sdm_subscription_list;
};
struct udm_sess_s {
ogs_sbi_object_t sbi;
ogs_pool_id_t id;
ogs_fsm_t sm;
uint8_t psi; /* PDU Session Identity */
OpenAPI_smf_registration_t *smf_registration;
char *smf_instance_id;
/* Related Context */
ogs_pool_id_t udm_ue_id;
};
typedef struct udm_sdm_subscription_s {
ogs_lnode_t lnode;
char *id;
char *data_change_callback_uri;
udm_ue_t *udm_ue;
} udm_sdm_subscription_t;
void udm_context_init(void);
void udm_context_final(void);
udm_context_t *udm_self(void);
int udm_context_parse_config(void);
udm_ue_t *udm_ue_add(char *suci);
void udm_ue_remove(udm_ue_t *udm_ue);
void udm_ue_remove_all(void);
udm_ue_t *udm_ue_find_by_suci(char *suci);
udm_ue_t *udm_ue_find_by_supi(char *supi);
udm_ue_t *udm_ue_find_by_suci_or_supi(char *suci_or_supi);
udm_ue_t *udm_ue_find_by_ctx_id(char *ctx_id);
udm_sess_t *udm_sess_add(udm_ue_t *udm_ue, uint8_t psi);
void udm_sess_remove(udm_sess_t *sess);
void udm_sess_remove_all(udm_ue_t *udm_ue);
udm_sess_t *udm_sess_find_by_psi(udm_ue_t *udm_ue, uint8_t psi);
udm_ue_t *udm_ue_find_by_id(ogs_pool_id_t id);
udm_sess_t *udm_sess_find_by_id(ogs_pool_id_t id);
udm_sdm_subscription_t *udm_sdm_subscription_add(udm_ue_t *udm_ue);
void udm_sdm_subscription_remove(udm_sdm_subscription_t *subscription);
void udm_sdm_subscription_remove_all(udm_ue_t *udm_ue);
udm_sdm_subscription_t *udm_sdm_subscription_find_by_id(char *id);
int get_ue_load(void);
#ifdef __cplusplus
}
#endif
#endif /* UDM_CONTEXT_H */
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