77 lines
2.3 KiB
C
77 lines
2.3 KiB
C
/*
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* (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2010 by On-Waves
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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 Affero General Public License as published by
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* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef bsc_sccp_h
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#define bsc_sccp_h
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#include <inttypes.h>
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#include <osmocom/core/linuxlist.h>
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#include <osmocom/core/timer.h>
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#include <osmocom/gsm/protocol/gsm_08_08.h>
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#include <osmocom/sccp/sccp.h>
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struct ss7_application;
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/*
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* One SCCP connection.
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* Use for connection tracking and fixups...
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*/
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struct active_sccp_con {
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struct llist_head entry;
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struct sccp_source_reference src_ref;
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struct sccp_source_reference dst_ref;
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int has_dst_ref;
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/* fixup stuff */
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/* We get a RLSD from the MSC and need to send a RLC */
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int released_from_msc;
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/* timeout for waiting for the RLC */
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struct osmo_timer_list rlc_timeout;
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/* how often did we send a RLSD this */
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unsigned int rls_tries;
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/* Link to the SS7 Application */
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struct ss7_application *app;
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/* sls id */
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int sls;
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};
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void free_con(struct active_sccp_con *con);
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struct active_sccp_con *find_con_by_dest_ref(struct ss7_application *, struct sccp_source_reference *ref);
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struct active_sccp_con *find_con_by_src_ref(struct ss7_application *,struct sccp_source_reference *src_ref);
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struct active_sccp_con *find_con_by_src_dest_ref(struct ss7_application *, struct sccp_source_reference *src_ref,
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struct sccp_source_reference *dst_ref);
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unsigned int sls_for_src_ref(struct ss7_application *, struct sccp_source_reference *ref);
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void app_resources_released(struct ss7_application *ss7);
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void app_clear_connections(struct ss7_application *ss7);
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void app_forward_sccp(struct ss7_application *ss7, struct msgb *_msg, int sls);
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#endif
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