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#pragma once
#include <osmocom/gsm/protocol/gsm_08_08.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/core/fsm.h>
#include "osmocom/bsc/gsm_data.h"
#define BSUB_USE_CONN "conn"
enum gscon_fsm_event {
/* local SCCP stack tells us incoming conn from MSC */
GSCON_EV_A_CONN_IND,
GSCON_EV_A_INITIAL_USER_DATA,
/* RSL side requests CONNECT to MSC */
GSCON_EV_MO_COMPL_L3,
/* MSC confirms the SCCP connection */
GSCON_EV_A_CONN_CFM,
/* MSC has sent BSSMAP CLEAR CMD */
GSCON_EV_A_CLEAR_CMD,
/* MSC SCCP disconnect indication */
GSCON_EV_A_DISC_IND,
/* MSC has sent a BSSMAP COMMON ID */
GSCON_EV_A_COMMON_ID_IND,
GSCON_EV_ASSIGNMENT_START,
GSCON_EV_ASSIGNMENT_END,
GSCON_EV_HANDOVER_START,
GSCON_EV_HANDOVER_END,
/* RSL CONNection FAILure Indication */
GSCON_EV_RSL_CONN_FAIL,
/* Mobile-originated DTAP (from MS) */
GSCON_EV_MO_DTAP,
/* Mobile-terminated DTAP (from MSC) */
GSCON_EV_MT_DTAP,
/* Transmit custom SCCP message */
GSCON_EV_TX_SCCP,
/* MDCX response received (MSC) - triggered by LCLS */
GSCON_EV_MGW_MDCX_RESP_MSC,
/* LCLS child FSM has terminated due to hard failure */
GSCON_EV_LCLS_FAIL,
GSCON_EV_FORGET_LCHAN,
GSCON_EV_FORGET_MGW_ENDPOINT,
GSCON_EV_LCS_LOC_REQ_END,
};
struct gsm_subscriber_connection;
struct gsm_network;
struct msgb;
struct osmo_mgcpc_ep_ci;
struct assignment_request;
struct gsm_lchan;
void bsc_subscr_conn_fsm_init(void);
/* Allocate a subscriber connection and its associated FSM */
struct gsm_subscriber_connection *bsc_subscr_con_allocate(struct gsm_network *net);
void gscon_update_id(struct gsm_subscriber_connection *conn);
void gscon_submit_rsl_dtap(struct gsm_subscriber_connection *conn,
struct msgb *msg, int link_id, int allow_sacch);
int gscon_sigtran_send(struct gsm_subscriber_connection *conn, struct msgb *msg);
void gscon_bssmap_clear(struct gsm_subscriber_connection *conn, enum gsm0808_cause cause);
struct osmo_mgcpc_ep *gscon_ensure_mgw_endpoint(struct gsm_subscriber_connection *conn,
uint16_t msc_assigned_cic, struct gsm_lchan *for_lchan);
bool gscon_connect_mgw_to_msc(struct gsm_subscriber_connection *conn,
struct gsm_lchan *for_lchan,
const char *addr, uint16_t port,
struct osmo_fsm_inst *notify,
uint32_t event_success, uint32_t event_failure,
void *notify_data,
struct osmo_mgcpc_ep_ci **created_ci);
void gscon_start_assignment(struct gsm_subscriber_connection *conn,
struct assignment_request *req);
void gscon_change_primary_lchan(struct gsm_subscriber_connection *conn, struct gsm_lchan *new_lchan);
void gscon_release_lchans(struct gsm_subscriber_connection *conn, bool do_rr_release, enum gsm48_rr_cause cause_rr);
void gscon_lchan_releasing(struct gsm_subscriber_connection *conn, struct gsm_lchan *lchan);
void gscon_forget_lchan(struct gsm_subscriber_connection *conn, struct gsm_lchan *lchan);
void gscon_forget_mgw_endpoint_ci(struct gsm_subscriber_connection *conn, struct osmo_mgcpc_ep_ci *ci);
bool gscon_is_aoip(struct gsm_subscriber_connection *conn);
bool gscon_is_sccplite(struct gsm_subscriber_connection *conn);
static inline const struct osmo_plmn_id *gscon_last_eutran_plmn(const struct gsm_subscriber_connection *conn)
{
return (conn && conn->fast_return.allowed &&
conn->fast_return.last_eutran_plmn_valid) ?
&conn->fast_return.last_eutran_plmn :
NULL;
}
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