89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/* Generic signalling/notification infrastructure */
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/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2009 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef OPENBSC_SIGNAL_H
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#define OPENBSC_SIGNAL_H
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#include <stdlib.h>
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#include <errno.h>
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#include <openbsc/gsm_data.h>
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#include <openbsc/gsm_subscriber.h>
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/*
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* Signalling subsystems
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*/
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enum signal_subsystems {
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SS_PAGING,
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SS_SMS,
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SS_ABISIP,
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SS_NM,
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SS_LCHAN,
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};
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/* SS_PAGING signals */
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enum signal_paging {
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S_PAGING_COMPLETED,
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};
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/* SS_ABISIP signals */
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enum signal_abisip {
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S_ABISIP_BIND_ACK,
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};
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/* SS_NM signals */
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enum signal_nm {
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S_NM_SW_ACTIV_REP, /* GSM 12.21 software activated report */
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S_NM_FAIL_REP, /* GSM 12.21 failure event report */
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};
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/* SS_LCHAN signals */
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enum signal_lchan {
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/*
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* The lchan got freed with an use_count != 0 and error
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* recovery needs to be carried out from within the
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* signal handler.
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*/
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S_LCHAN_UNEXPECTED_RELEASE,
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};
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typedef int signal_cbfn(unsigned int subsys, unsigned int signal,
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void *handler_data, void *signal_data);
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struct paging_signal_data {
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struct gsm_subscriber *subscr;
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struct gsm_bts *bts;
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/* NULL in case the paging didn't work */
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struct gsm_lchan *lchan;
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};
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/* Management */
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int register_signal_handler(unsigned int subsys, signal_cbfn *cbfn, void *data);
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void unregister_signal_handler(unsigned int subsys, signal_cbfn *cbfn, void *data);
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/* Dispatch */
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void dispatch_signal(unsigned int subsys, unsigned int signal, void *signal_data);
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#endif
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