diff options
Diffstat (limited to 'src/xua_as_fsm.c')
| -rw-r--r-- | src/xua_as_fsm.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/src/xua_as_fsm.c b/src/xua_as_fsm.c index 5d0b327..c25902e 100644 --- a/src/xua_as_fsm.c +++ b/src/xua_as_fsm.c @@ -211,6 +211,37 @@ static bool check_any_other_asp_in_active(struct osmo_ss7_as *as, struct osmo_ss return false; } +/* Tell other previously-active ASPs that a new ASP has been activated and mark + them as inactive. Used in override mode when an ASP becomes active. */ +static void notify_any_other_active_asp_as_inactive(struct osmo_ss7_as *as, struct osmo_ss7_asp *asp_cmp) +{ + unsigned int i; + struct msgb *msg; + struct osmo_xlm_prim_notify npar = { + .status_type = M3UA_NOTIFY_T_OTHER, + .status_info = M3UA_NOTIFY_I_OT_ALT_ASP_ACT, + }; + + if (asp_cmp->asp_id_present) + npar.asp_id = asp_cmp->asp_id; + + for (i = 0; i < ARRAY_SIZE(as->cfg.asps); i++) { + struct osmo_ss7_asp *asp = as->cfg.asps[i]; + if (!asp || !osmo_ss7_asp_active(asp)) + continue; + + if (asp_cmp == asp) + continue; + + msg = encode_notify(&npar); + osmo_ss7_asp_send(asp, msg); + + osmo_fsm_inst_state_chg(asp->fi, XUA_ASP_S_INACTIVE, 0, 0); + } + + return; +} + static void t_r_callback(void *_fi) { struct osmo_fsm_inst *fi = _fi; @@ -321,7 +352,10 @@ static void xua_as_fsm_active(struct osmo_fsm_inst *fi, uint32_t event, void *da } break; case XUA_ASPAS_ASP_ACTIVE_IND: - /* ignore */ + asp = data; + /* RFC466 sec 4.3.4.3 ASP Active Procedures*/ + if (xafp->as->cfg.mode == OSMO_SS7_AS_TMOD_OVERRIDE) + notify_any_other_active_asp_as_inactive(xafp->as, asp); break; case XUA_AS_E_TRANSFER_REQ: /* message for transmission */ |