diff options
author | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-11-03 16:40:03 +0100 |
---|---|---|
committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-11-03 16:40:03 +0100 |
commit | f3d1ae70722560d8dc01a73f5c2633b2a8d181bf (patch) | |
tree | 25f24f8b56934c749d5688ece4fd5d79f5376974 /openbsc | |
parent | 0425c38febda4173d9237da4a74bee9fa0b7426c (diff) |
bsc: Add simple SCCP binding code.
Diffstat (limited to 'openbsc')
-rw-r--r-- | openbsc/include/openbsc/osmo_msc_data.h | 1 | ||||
-rw-r--r-- | openbsc/src/bsc/Makefile.am | 2 | ||||
-rw-r--r-- | openbsc/src/bsc/osmo_bsc_main.c | 5 | ||||
-rw-r--r-- | openbsc/src/bsc/osmo_bsc_sccp.c | 78 |
4 files changed, 85 insertions, 1 deletions
diff --git a/openbsc/include/openbsc/osmo_msc_data.h b/openbsc/include/openbsc/osmo_msc_data.h index 2e8f34a8c..9f1ac432f 100644 --- a/openbsc/include/openbsc/osmo_msc_data.h +++ b/openbsc/include/openbsc/osmo_msc_data.h @@ -64,6 +64,7 @@ struct osmo_msc_data { }; int osmo_bsc_msc_init(struct gsm_network *network); +int osmo_bsc_sccp_init(struct gsm_network *gsmnet); int msc_queue_write(struct bsc_msc_connection *conn, struct msgb *msg, int proto); #endif diff --git a/openbsc/src/bsc/Makefile.am b/openbsc/src/bsc/Makefile.am index dc1e7013a..3bd47b7a6 100644 --- a/openbsc/src/bsc/Makefile.am +++ b/openbsc/src/bsc/Makefile.am @@ -6,7 +6,7 @@ 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_grace.c osmo_bsc_msc.c osmo_bsc_sccp.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 \ diff --git a/openbsc/src/bsc/osmo_bsc_main.c b/openbsc/src/bsc/osmo_bsc_main.c index bcc077a93..285106202 100644 --- a/openbsc/src/bsc/osmo_bsc_main.c +++ b/openbsc/src/bsc/osmo_bsc_main.c @@ -231,6 +231,11 @@ int main(int argc, char **argv) exit(1); } + if (osmo_bsc_sccp_init(bsc_gsmnet) != 0) { + LOGP(DNM, LOGL_ERROR, "Failed to register SCCP.\n"); + exit(1); + } + signal(SIGINT, &signal_handler); signal(SIGABRT, &signal_handler); signal(SIGUSR1, &signal_handler); diff --git a/openbsc/src/bsc/osmo_bsc_sccp.c b/openbsc/src/bsc/osmo_bsc_sccp.c new file mode 100644 index 000000000..346e13e6e --- /dev/null +++ b/openbsc/src/bsc/osmo_bsc_sccp.c @@ -0,0 +1,78 @@ +/* Interaction with the SCCP subsystem */ +/* + * (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/gsm_data.h> +#include <openbsc/osmo_msc_data.h> +#include <openbsc/debug.h> + +#include <osmocore/gsm0808.h> +#include <osmocore/protocol/gsm_08_08.h> + +#include <osmocom/sccp/sccp.h> + +static void msc_sccp_write_ipa(struct sccp_connection *conn, struct msgb *msg, void *data) +{ + LOGP(DMSC, LOGL_ERROR, "Writing is not implemented.\n"); + msgb_free(msg); +} + +static int msc_sccp_accept(struct sccp_connection *connection, void *data) +{ + LOGP(DMSC, LOGL_DEBUG, "Rejecting incoming SCCP connection.\n"); + return -1; +} + +static int msc_sccp_read(struct msgb *msgb, unsigned int length, void *data) +{ + struct bssmap_header *bs; + + LOGP(DMSC, LOGL_DEBUG, "Incoming SCCP message ftom MSC: %s\n", + hexdump(msgb->l3h, length)); + + if (length < sizeof(*bs)) { + LOGP(DMSC, LOGL_ERROR, "The header is too short.\n"); + return -1; + } + + bs = (struct bssmap_header *) msgb->l3h; + if (bs->length < length - sizeof(*bs)) + return -1; + + switch (bs->type) { + case BSSAP_MSG_BSS_MANAGEMENT: + break; + default: + LOGP(DMSC, LOGL_ERROR, "Unimplemented msg type: %d\n", bs->type); + } + + return 0; +} + +int osmo_bsc_sccp_init(struct gsm_network *gsmnet) +{ + sccp_set_log_area(DSCCP); + sccp_system_init(msc_sccp_write_ipa, gsmnet); + sccp_connection_set_incoming(&sccp_ssn_bssap, msc_sccp_accept, NULL); + sccp_set_read(&sccp_ssn_bssap, msc_sccp_read, NULL); + + return 0; +} |