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/*
* (C) 2012 by Harald Welte <laforge@gnumonks.org>
* 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 <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <osmocom/gsm/protocol/gsm_04_08.h>
#include <osmocom/gsm/gsm48_ie.h>
#include <osmocom/gsm/gsm48.h>
#include <osmocom/gsm/mncc.h>
#include <osmocom/core/backtrace.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/msgb.h>
static const uint8_t csd_9600_v110_lv[] = { 0x07, 0xa1, 0xb8, 0x89, 0x21, 0x15, 0x63, 0x80 };
static const struct gsm_mncc_bearer_cap bcap_csd_9600_v110 = {
.transfer = GSM48_BCAP_ITCAP_UNR_DIG_INF,
.mode = GSM48_BCAP_TMOD_CIRCUIT,
.coding = GSM48_BCAP_CODING_GSM_STD,
.radio = GSM48_BCAP_RRQ_FR_ONLY,
.speech_ver[0]= -1,
.data = {
.rate_adaption = GSM48_BCAP_RA_V110_X30,
.sig_access = GSM48_BCAP_SA_I440_I450,
.async = 1,
.nr_stop_bits = 1,
.nr_data_bits = 8,
.user_rate = GSM48_BCAP_UR_9600,
.parity = GSM48_BCAP_PAR_NONE,
.interm_rate = GSM48_BCAP_IR_16k,
.transp = GSM48_BCAP_TR_TRANSP,
.modem_type = GSM48_BCAP_MT_NONE,
},
};
static const uint8_t speech_all_lv[] = { 0x06, 0x60, 0x04, 0x02, 0x00, 0x05, 0x81 };
static const struct gsm_mncc_bearer_cap bcap_speech_all = {
.transfer = GSM48_BCAP_ITCAP_SPEECH,
.mode = GSM48_BCAP_TMOD_CIRCUIT,
.coding = GSM48_BCAP_CODING_GSM_STD,
.radio = GSM48_BCAP_RRQ_DUAL_FR,
.speech_ver = {
4, 2, 0, 5, 1, -1,
},
};
struct bcap_test {
const uint8_t *lv;
const struct gsm_mncc_bearer_cap *bc;
const char *name;
};
static const struct bcap_test bcap_tests[] = {
{ csd_9600_v110_lv, &bcap_csd_9600_v110, "CSD 9600/V.110/transparent" },
{ speech_all_lv, &bcap_speech_all, "Speech, all codecs" },
};
static int test_bearer_cap()
{
struct gsm_mncc_bearer_cap bc;
int i, rc;
for (i = 0; i < ARRAY_SIZE(bcap_tests); i++) {
struct msgb *msg = msgb_alloc(100, "test");
int lv_len;
memset(&bc, 0, sizeof(bc));
/* test decoding */
rc = gsm48_decode_bearer_cap(&bc, bcap_tests[i].lv);
if (rc < 0) {
fprintf(stderr, "Error decoding %s\n",
bcap_tests[i].name);
return rc;
}
if (memcmp(&bc, bcap_tests[i].bc, sizeof(bc))) {
fprintf(stderr, "Incorrect decoded result of %s:\n",
bcap_tests[i].name);
fprintf(stderr, " should: %s\n",
osmo_hexdump((uint8_t *) bcap_tests[i].bc, sizeof(bc)));
fprintf(stderr, " is: %s\n",
osmo_hexdump((uint8_t *) &bc, sizeof(bc)));
return -1;
}
/* also test re-encode? */
rc = gsm48_encode_bearer_cap(msg, 1, &bc);
if (rc < 0) {
fprintf(stderr, "Error encoding %s\n",
bcap_tests[i].name);
return rc;
}
lv_len = bcap_tests[i].lv[0]+1;
if (memcmp(msg->data, bcap_tests[i].lv, lv_len)) {
fprintf(stderr, "Incorrect encoded result of %s:\n",
bcap_tests[i].name);
fprintf(stderr, " should: %s\n",
osmo_hexdump(bcap_tests[i].lv, lv_len));
fprintf(stderr, " is: %s\n",
osmo_hexdump(msg->data, msg->len));
return -1;
}
printf("Test `%s' passed\n", bcap_tests[i].name);
msgb_free(msg);
}
return 0;
}
static inline void dump_ra(const struct gprs_ra_id *raid)
{
printf("%03u-%02u-%u-%u\n", raid->mcc, raid->mnc, raid->lac, raid->rac);
}
static inline void check_ra(const struct gprs_ra_id *raid)
{
struct gsm48_ra_id ra;
struct gprs_ra_id raid0 = {
.mnc = 0,
.mcc = 0,
.lac = 0,
.rac = 0,
};
gsm48_encode_ra(&ra, raid);
printf("Constructed RA:\n");
gsm48_parse_ra(&raid0, (const uint8_t *)&ra);
dump_ra(raid);
printf("MCC+MNC in BCD: %s\n", osmo_hexdump(ra.digits, sizeof(ra.digits)));
dump_ra(&raid0);
printf("RA test...");
if (raid->mnc != raid0.mnc || raid->mcc != raid0.mcc || raid->lac != raid0.lac || raid->rac != raid0.rac)
printf("FAIL\n");
else
printf("passed\n");
}
static struct gprs_ra_id test_ra_cap_items[] = {
{
.mcc = 77,
.mnc = 121,
.lac = 666,
.rac = 5,
},
{
.mcc = 84,
.mnc = 98,
.lac = 11,
.rac = 89,
},
{
.mcc = 0,
.mnc = 0,
.lac = 0,
.rac = 0,
},
{
.mcc = 999,
.mnc = 999,
.lac = 65535,
.rac = 255,
},
};
static void test_ra_cap(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(test_ra_cap_items); i++)
check_ra(&test_ra_cap_items[i]);
}
static void test_mid_from_tmsi(void)
{
static const uint8_t res[] = { 0x17, 0x05, 0xf4, 0xaa, 0xbb, 0xcc, 0xdd };
uint32_t tmsi = 0xAABBCCDD;
uint8_t buf[3 + sizeof(uint32_t)];
printf("Simple TMSI encoding test....");
memset(&buf, 0xFE, sizeof(buf));
gsm48_generate_mid_from_tmsi(buf, tmsi);
OSMO_ASSERT(memcmp(buf, res, sizeof(res)) == 0);
printf("passed\n");
}
static void test_mid_from_imsi(void)
{
char *imsi = "901700000004620";
uint8_t buf[10], len;
printf("Simple IMSI encoding test....");
len = gsm48_generate_mid_from_imsi(buf, imsi);
printf("passed: [%u] %s\n", len, osmo_hexdump(buf, len));
}
int main(int argc, char **argv)
{
test_bearer_cap();
test_mid_from_tmsi();
test_mid_from_imsi();
test_ra_cap();
return EXIT_SUCCESS;
}
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