100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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* Handle the connection to the MSC. This include ping/timeout/reconnect
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* (C) 2008-2018 by Harald Welte <laforge@gnumonks.org>
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* (C) 2009-2015 by Holger Hans Peter Freyther <zecke@selfish.org>
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* (C) 2009-2015 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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#include <osmocom/ctrl/control_cmd.h>
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#include <osmocom/ctrl/control_if.h>
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#include <osmocom/crypt/auth.h>
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#include <osmocom/bsc/debug.h>
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#include <osmocom/bsc/gsm_data.h>
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#include <osmocom/bsc/ipaccess.h>
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#include <osmocom/bsc/bsc_msc_data.h>
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#include <osmocom/bsc/signal.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/gsm/gsm0808.h>
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#include <osmocom/abis/ipa.h>
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#include <sys/socket.h>
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#include <netinet/tcp.h>
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#include <unistd.h>
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int osmo_bsc_msc_init(struct bsc_msc_data *data)
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{
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/* FIXME: This is a leftover from the old architecture that used
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* sccp-lite with osmocom specific authentication. Since we now
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* changed to AoIP the connected status and the authentication
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* status is managed differently. However osmo_bsc_filter.c still
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* needs the flags to be set to one. See also: OS#3112 */
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data->is_authenticated = 1;
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return 0;
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}
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struct bsc_msc_data *osmo_msc_data_find(struct gsm_network *net, int nr)
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{
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struct bsc_msc_data *msc_data;
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llist_for_each_entry(msc_data, &net->bsc_data->mscs, entry)
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if (msc_data->nr == nr)
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return msc_data;
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return NULL;
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}
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struct bsc_msc_data *osmo_msc_data_alloc(struct gsm_network *net, int nr)
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{
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struct bsc_msc_data *msc_data;
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/* check if there is already one */
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msc_data = osmo_msc_data_find(net, nr);
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if (msc_data)
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return msc_data;
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msc_data = talloc_zero(net, struct bsc_msc_data);
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if (!msc_data)
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return NULL;
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llist_add_tail(&msc_data->entry, &net->bsc_data->mscs);
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/* Init back pointer */
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msc_data->network = net;
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msc_data->core_plmn = (struct osmo_plmn_id){
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.mcc = GSM_MCC_MNC_INVALID,
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.mnc = GSM_MCC_MNC_INVALID,
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};
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msc_data->core_ci = -1;
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msc_data->core_lac = -1;
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msc_data->rtp_base = 4000;
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msc_data->nr = nr;
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msc_data->allow_emerg = 1;
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msc_data->a.asp_proto = OSMO_SS7_ASP_PROT_M3UA;
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/* Defaults for the audio setup */
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msc_data->amr_conf.m5_90 = 1;
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return msc_data;
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}
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