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Start implementing GSM 04.11 (short message service)

This commit is contained in:
Daniel Willmann 2008-12-28 00:31:09 +00:00
parent f3c8e11336
commit 8b3390effd
6 changed files with 123 additions and 12 deletions
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2
include/openbsc/Makefile.am
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@ -1,2 +1,2 @@
noinst_HEADERS = abis_nm.h abis_rsl.h debug.h db.h gsm_04_08.h gsm_data.h \
gsm_subscriber.h linuxlist.h msgb.h select.h tlv.h
gsm_subscriber.h linuxlist.h msgb.h select.h tlv.h gsm_04_11.h

34
include/openbsc/gsm_04_11.h Normal file
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@ -0,0 +1,34 @@
#ifndef _GSM_04_11_H
#define _GSM_04_11_H
/* GSM TS 04.11 definitions */
/* Chapter 8.1.2 (refers to GSM 04.07 Chapter 11.2.3.1.1 */
#define GSM411_PDISC_SMS 0x09
/* Chapter 8.1.3 */
#define GSM411_MT_CP_DATA 0x01
#define GSM411_MT_CP_ACK 0x04
#define GSM411_MT_CP_ERROR 0x10
/* Chapter 8.2.2 */
#define GSM411_MT_RP_DATA_MO 0x00
#define GSM411_MT_RP_DATA_MT 0x01
#define GSM411_MT_RP_ACK_MO 0x02
#define GSM411_MT_RP_ACK_MT 0x03
#define GSM411_MT_RP_ERROR_MO 0x04
#define GSM411_MT_RP_ERROR_MT 0x04
#define GSM411_MT_RP_SMMA_MO 0x05
/* Chapter 8.1.1 */
struct gsm411_rp_data_hdr {
u_int8_t msg_type;
u_int8_t msg_ref;
u_int8_t data[0];
} __attribute__ ((packed));
struct msgb;
int gsm0411_rcv_sms(struct msgb *msg);
#endif

3
src/Makefile.am
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@ -4,7 +4,8 @@ AM_CFLAGS=-Wall
sbin_PROGRAMS = bsc_hack db_test
bsc_hack_SOURCES = bsc_hack.c misdn.c abis_rsl.c abis_nm.c gsm_04_08.c gsm_data.c \
gsm_subscriber.c msgb.c select.c chan_alloc.c timer.c debug.c db.c
gsm_subscriber.c msgb.c select.c chan_alloc.c timer.c debug.c db.c \
gsm_04_11.c
bsc_hack_LDADD = -ldl -ldbi
db_test_SOURCES = db_test.c db.c

9
src/gsm_04_08.c
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@ -33,6 +33,7 @@
#include <openbsc/debug.h>
#include <openbsc/gsm_data.h>
#include <openbsc/gsm_subscriber.h>
#include <openbsc/gsm_04_11.h>
#include <openbsc/gsm_04_08.h>
#include <openbsc/abis_rsl.h>
@ -545,12 +546,6 @@ static int gsm0408_rcv_cc(struct msgb *msg)
return rc;
}
static int gsm0408_rcv_sms(struct msgb *msg)
{
DEBUGP(DSMS, "SMS Message\n");
return 0;
}
/* here we pass in a msgb from the RSL->RLL. We expect the l3 pointer to be set */
int gsm0408_rcvmsg(struct msgb *msg)
{
@ -569,7 +564,7 @@ int gsm0408_rcvmsg(struct msgb *msg)
rc = gsm0408_rcv_rr(msg);
break;
case GSM48_PDISC_SMS:
rc = gsm0408_rcv_sms(msg);
rc = gsm0411_rcv_sms(msg);
break;
case GSM48_PDISC_MM_GPRS:
case GSM48_PDISC_SM_GPRS:

81
src/gsm_04_11.c Normal file
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@ -0,0 +1,81 @@
/* Point-to-Point (PP) Short Message Service (SMS)
* Support on Mobile Radio Interface
* 3GPP TS 04.11 version 7.1.0 Release 1998 / ETSI TS 100 942 V7.1.0 */
/* (C) 2008 by Daniel Willmann <daniel@totalueberwachung.de>
*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <netinet/in.h>
#include <openbsc/msgb.h>
#include <openbsc/debug.h>
#include <openbsc/gsm_04_11.h>
#include <openbsc/gsm_04_08.h>
#include <openbsc/abis_rsl.h>
static int gsm411_cp_data(struct msgb *msg)
{
struct gsm48_hdr *gh = msgb_l3(msg);
int rc = 0;
struct gsm411_rp_data_hdr *rp_data = (struct gsm411_rp_data_hdr*)msg->data;
u_int8_t msg_type = rp_data->msg_type & 0x07;
switch (msg_type) {
case GSM411_MT_RP_DATA_MO:
DEBUGP(DSMS, "SMS RP-DATA (MO)\n");
break;
default:
DEBUGP(DSMS, "Unimplemented RP type 0x%02x\n", msg_type);
break;
}
return rc;
}
int gsm0411_rcv_sms(struct msgb *msg)
{
struct gsm48_hdr *gh = msgb_l3(msg);
u_int8_t msg_type = gh->msg_type;
int rc = 0;
DEBUGP(DSMS, "SMS Message\n");
switch(msg_type) {
case GSM411_MT_CP_DATA:
DEBUGP(DSMS, "SMS CP-DATA\n");
rc = gsm411_cp_data(msg);
break;
case GSM411_MT_CP_ACK:
case GSM411_MT_CP_ERROR:
default:
DEBUGP(DSMS, "Unimplemented CP msg_type: 0x%02x\n", msg_type);
break;
}
return rc;
}

6
tests/sms.txt
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@ -9,9 +9,9 @@
0b -
00 -
1d -
39 - TransactionID 3, SMS messages
01 - CP-DATA
1a - Length: 26
39 - TransactionID 3, SMS messages :: gh->proto_discr
01 - CP-DATA :: gh->msg_type
1a - Length: 26 :: gh->data[0]
00 - MTI 0 RP-DATA (ms-> n)
01 - MR 1
00 - RP-OA