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/* GSM subscriber details for use in BSC land */
#pragma once
#include <stdint.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/linuxrbtree.h>
#include <osmocom/core/use_count.h>
#include <osmocom/gsm/protocol/gsm_23_003.h>
#include <osmocom/gsm/gsm48.h>
struct log_target;
struct gsm_bts;
struct bsc_subscr_store {
struct llist_head bsub_list; /* list containing "struct bsc_subscr" */
/* rbtree root of 'struct bsc_subscr', ordered by tmsi */
struct rb_root bsub_tree_tmsi;
};
struct bsc_subscr_store *bsc_subscr_store_alloc(void *ctx);
struct bsc_subscr {
struct bsc_subscr_store *store; /* backpointer to "struct bsc_subscr_store" */
struct llist_head entry; /* entry in (struct bsc_subscr_store)->bsub_list */
/* entry in (struct bsc_subscr_store)->bsub_tree_tmsi. Inserted if tmsi != GSM_RESERVED_TMSI: */
struct rb_node node_tmsi;
struct osmo_use_count use_count;
char imsi[GSM23003_IMSI_MAX_DIGITS+1];
char imei[GSM23003_IMEI_NUM_DIGITS_NO_CHK+1];
uint32_t tmsi;
/* List head of (struct gsm_paging_request).bsub_entry */
uint32_t active_paging_requests_len;
struct llist_head active_paging_requests;
};
const char *bsc_subscr_name(struct bsc_subscr *bsub);
const char *bsc_subscr_id(struct bsc_subscr *bsub);
struct bsc_subscr *bsc_subscr_find_or_create_by_imsi(struct bsc_subscr_store *bsubst,
const char *imsi,
const char *use_token);
struct bsc_subscr *bsc_subscr_find_or_create_by_tmsi(struct bsc_subscr_store *bsubst,
uint32_t tmsi,
const char *use_token);
struct bsc_subscr *bsc_subscr_find_or_create_by_mi(struct bsc_subscr_store *bsubst,
const struct osmo_mobile_identity *mi,
const char *use_token);
struct bsc_subscr *bsc_subscr_find_by_imsi(struct bsc_subscr_store *bsubst,
const char *imsi,
const char *use_token);
int bsc_subscr_set_tmsi(struct bsc_subscr *bsub, uint32_t tmsi);
void bsc_subscr_set_imsi(struct bsc_subscr *bsub, const char *imsi);
void bsc_subscr_set_imei(struct bsc_subscr *bsub, const char *imei);
#define bsc_subscr_get(bsc_subscr, use) \
OSMO_ASSERT(osmo_use_count_get_put(&(bsc_subscr)->use_count, use, 1) == 0)
#define bsc_subscr_put(bsc_subscr, use) \
OSMO_ASSERT(osmo_use_count_get_put(&(bsc_subscr)->use_count, use, -1) == 0)
void log_set_filter_bsc_subscr(struct log_target *target,
struct bsc_subscr *bsub);
struct gsm_paging_request;
void bsc_subscr_add_active_paging_request(struct bsc_subscr *bsub, struct gsm_paging_request *req);
void bsc_subscr_remove_active_paging_request(struct bsc_subscr *bsub, struct gsm_paging_request *req);
void bsc_subscr_remove_active_paging_request_all(struct bsc_subscr *bsub);
struct gsm_paging_request *bsc_subscr_find_req_by_bts(const struct bsc_subscr *bsub, const struct gsm_bts *bts);
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