| #pragma once |
| |
| #include <osmocom/core/linuxlist.h> |
| |
| struct msc_a; |
| struct vlr_subscr; |
| struct gsm_trans; |
| |
| /* Modeled after the RANAP PagingCause; translates to enum sgsap_service_ind and BSSMAP Channel Needed (3GPP TS 48.008 |
| * 3.2.2.36) by collapsing e.g. all call related paging causes to SGSAP_SERV_IND_CS_CALL, etc. */ |
| enum paging_cause { |
| PAGING_CAUSE_CALL_CONVERSATIONAL = 0, |
| PAGING_CAUSE_CALL_STREAMING, |
| PAGING_CAUSE_CALL_INTERACTIVE, |
| PAGING_CAUSE_CALL_BACKGROUND, |
| PAGING_CAUSE_SIGNALLING_LOW_PRIO, |
| PAGING_CAUSE_SIGNALLING_HIGH_PRIO, |
| PAGING_CAUSE_UNSPECIFIED, |
| }; |
| |
| extern const struct value_string paging_cause_names[]; |
| static inline const char *paging_cause_name(enum paging_cause val) |
| { return get_value_string(paging_cause_names, val); } |
| |
| /* A successful Paging will pass a valid msc_a, an expired paging will pass msc_a == NULL. */ |
| typedef void (* paging_cb_t )(struct msc_a *msc_a, struct gsm_trans *trans); |
| |
| struct paging_request { |
| struct llist_head entry; |
| |
| /* human readable label to be able to log pending request kinds */ |
| const char *label; |
| enum paging_cause cause; |
| |
| /* the callback data */ |
| paging_cb_t paging_cb; |
| struct gsm_trans *trans; |
| }; |
| |
| struct paging_request *paging_request_start(struct vlr_subscr *vsub, enum paging_cause cause, |
| paging_cb_t paging_cb, struct gsm_trans *trans, |
| const char *label); |
| void paging_request_remove(struct paging_request *pr); |
| |
| void paging_response(struct msc_a *msc_a); |
| void paging_expired(struct vlr_subscr *vsub); |