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Diffstat (limited to 'openbsc/include/openbsc/signal.h')
-rw-r--r-- | openbsc/include/openbsc/signal.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/openbsc/include/openbsc/signal.h b/openbsc/include/openbsc/signal.h new file mode 100644 index 000000000..4a583f689 --- /dev/null +++ b/openbsc/include/openbsc/signal.h @@ -0,0 +1,88 @@ +/* Generic signalling/notification infrastructure */ +/* (C) 2009 by Holger Hans Peter Freyther <zecke@selfish.org> + * (C) 2009 by Harald Welte <laforge@gnumonks.org> + * All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + */ + +#ifndef OPENBSC_SIGNAL_H +#define OPENBSC_SIGNAL_H + +#include <stdlib.h> +#include <errno.h> + +#include <openbsc/gsm_data.h> +#include <openbsc/gsm_subscriber.h> + + +/* + * Signalling subsystems + */ +enum signal_subsystems { + SS_PAGING, + SS_SMS, + SS_ABISIP, + SS_NM, + SS_LCHAN, +}; + +/* SS_PAGING signals */ +enum signal_paging { + S_PAGING_COMPLETED, +}; + +/* SS_ABISIP signals */ +enum signal_abisip { + S_ABISIP_BIND_ACK, +}; + +/* SS_NM signals */ +enum signal_nm { + S_NM_SW_ACTIV_REP, /* GSM 12.21 software activated report */ + S_NM_FAIL_REP, /* GSM 12.21 failure event report */ +}; + +/* SS_LCHAN signals */ +enum signal_lchan { + /* + * The lchan got freed with an use_count != 0 and error + * recovery needs to be carried out from within the + * signal handler. + */ + S_LCHAN_UNEXPECTED_RELEASE, +}; + +typedef int signal_cbfn(unsigned int subsys, unsigned int signal, + void *handler_data, void *signal_data); + +struct paging_signal_data { + struct gsm_subscriber *subscr; + struct gsm_bts *bts; + + /* NULL in case the paging didn't work */ + struct gsm_lchan *lchan; +}; + +/* Management */ +int register_signal_handler(unsigned int subsys, signal_cbfn *cbfn, void *data); +void unregister_signal_handler(unsigned int subsys, signal_cbfn *cbfn, void *data); + +/* Dispatch */ +void dispatch_signal(unsigned int subsys, unsigned int signal, void *signal_data); + + +#endif |