diff options
author | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-11-03 16:40:03 +0100 |
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committer | Holger Hans Peter Freyther <zecke@selfish.org> | 2010-11-03 16:40:03 +0100 |
commit | f3d1ae70722560d8dc01a73f5c2633b2a8d181bf (patch) | |
tree | 25f24f8b56934c749d5688ece4fd5d79f5376974 /openbsc/src/bsc/osmo_bsc_sccp.c | |
parent | 0425c38febda4173d9237da4a74bee9fa0b7426c (diff) |
bsc: Add simple SCCP binding code.
Diffstat (limited to 'openbsc/src/bsc/osmo_bsc_sccp.c')
-rw-r--r-- | openbsc/src/bsc/osmo_bsc_sccp.c | 78 |
1 files changed, 78 insertions, 0 deletions
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; +} |