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#pragma once
#include <stdbool.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/gsm/gsup.h>
#include <osmocom/hlr/gsup_server.h>
#define NCSS_GUARD_TIMEOUT_DEFAULT 30
struct hlr_ussd_route {
/* g_hlr.routes */
struct llist_head list;
const char *prefix;
bool is_external;
union {
struct hlr_euse *euse;
const struct hlr_iuse *iuse;
} u;
};
struct hlr_euse {
/* list in the per-hlr list of EUSEs */
struct llist_head list;
struct hlr *hlr;
/* name (must match the IPA ID tag) */
const char *name;
/* human-readable description */
const char *description;
/* GSUP connection to the EUSE, if any */
struct osmo_gsup_conn *conn;
};
struct hlr_euse *euse_find(struct hlr *hlr, const char *name);
struct hlr_euse *euse_alloc(struct hlr *hlr, const char *name);
void euse_del(struct hlr_euse *euse);
const struct hlr_iuse *iuse_find(const char *name);
struct hlr_ussd_route *ussd_route_find_prefix(struct hlr *hlr, const char *prefix);
struct hlr_ussd_route *ussd_route_prefix_alloc_int(struct hlr *hlr, const char *prefix,
const struct hlr_iuse *iuse);
struct hlr_ussd_route *ussd_route_prefix_alloc_ext(struct hlr *hlr, const char *prefix,
struct hlr_euse *euse);
void ussd_route_del(struct hlr_ussd_route *rt);
int rx_proc_ss_req(struct osmo_gsup_conn *conn, const struct osmo_gsup_message *gsup);
int rx_proc_ss_error(struct osmo_gsup_conn *conn, const struct osmo_gsup_message *gsup);
struct ss_session;
struct ss_request;
/* Internal USSD Handler */
struct hlr_iuse {
const char *name;
/* call-back to be called for any incoming USSD messages for this IUSE */
int (*handle_ussd)(struct osmo_gsup_conn *conn, struct ss_session *ss,
const struct osmo_gsup_message *gsup, const struct ss_request *req);
};
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