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osmo-bsc
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bsc: Add a hook where we can scan for LU and other messages.

This commit is contained in:
Holger Hans Peter Freyther 2010-11-05 11:21:18 +01:00
parent cc48fb8083
commit 5bb874d2f5
4 changed files with 39 additions and 1 deletions
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2
openbsc/include/openbsc/osmo_bsc.h
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@ -11,4 +11,6 @@ int bsc_queue_for_msc(struct gsm_subscriber_connection *conn, struct msgb *msg);
int bsc_create_new_connection(struct gsm_subscriber_connection *conn,
struct msgb *msg, uint16_t chosen_channel);
int bsc_scan_bts_msg(struct gsm_subscriber_connection *conn, struct msgb *msg);
#endif

1
openbsc/src/bsc/Makefile.am
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@ -7,6 +7,7 @@ bin_PROGRAMS = osmo-bsc
osmo_bsc_SOURCES = osmo_bsc_main.c osmo_bsc_rf.c osmo_bsc_vty.c osmo_bsc_api.c \
osmo_bsc_grace.c osmo_bsc_msc.c osmo_bsc_sccp.c \
osmo_bsc_filter.c \
$(top_srcdir)/src/debug.c $(top_srcdir)/src/bsc_msc.c \
$(top_srcdir)/src/bsc_init.c
osmo_bsc_LDADD = $(top_builddir)/src/libvty.a \

6
openbsc/src/bsc/osmo_bsc_api.c
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@ -66,8 +66,11 @@ static void bsc_cipher_mode_compl(struct gsm_subscriber_connection *conn,
static int bsc_compl_l3(struct gsm_subscriber_connection *conn, struct msgb *msg,
uint16_t chosen_channel)
{
if (bsc_create_new_connection(conn, msg, chosen_channel) == 0)
if (bsc_create_new_connection(conn, msg, chosen_channel) == 0) {
bsc_scan_bts_msg(conn, msg);
return BSC_API_CONN_POL_ACCEPT;
}
return BSC_API_CONN_POL_REJECT;
}
@ -76,6 +79,7 @@ static void bsc_dtap(struct gsm_subscriber_connection *conn, uint8_t link_id, st
struct msgb *resp;
return_when_not_connected(conn);
bsc_scan_bts_msg(conn, msg);
resp = gsm0808_create_dtap(msg, link_id);
queue_msg_or_return(resp);
}

31
openbsc/src/bsc/osmo_bsc_filter.c Normal file
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@ -0,0 +1,31 @@
/* (C) 2009-2010 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2009-2010 by On-Waves
* 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.
*
*/
#include <openbsc/osmo_bsc.h>
/**
* This is used to scan a message for extra functionality of the BSC. This
* includes scanning for location updating requests/acceptd and then send
* a welcome USSD message to the subscriber.
*/
int bsc_scan_bts_msg(struct gsm_subscriber_connection *conn, struct msgb *msg)
{
return 0;
}