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/*
* BSC Message filtering
*
* (C) 2013 by sysmocom s.f.m.c. GmbH
* Written by Jacob Erlbeck <jerlbeck@sysmocom.de>
* (C) 2010-2013 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2010-2013 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 Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <osmocom/bsc/debug.h>
#include <osmocom/bsc/gsm_data.h>
#include <osmocom/bsc/osmo_bsc.h>
#include <osmocom/bsc/bsc_msc_data.h>
#include <osmocom/bsc/gsm_04_80.h>
#include <osmocom/bsc/common_bsc.h>
#include <osmocom/core/application.h>
#include <osmocom/core/backtrace.h>
#include <osmocom/core/talloc.h>
#include <stdio.h>
#include <search.h>
enum test {
TEST_SCAN_TO_BTS,
TEST_SCAN_TO_MSC,
};
/* GSM 04.08 MM INFORMATION test message */
static uint8_t gsm48_mm_info_nn_tzt[] = {
0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb,
0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61,
0x11, 0x02, 0x73, 0x00,
};
static uint8_t gsm48_mm_info_nn_tzt_out[] = {
0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb,
0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61,
0x11, 0x02, 0x73, 0x1a,
};
static uint8_t gsm48_mm_info_nn_tzt_dst[] = {
0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb,
0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61,
0x11, 0x02, 0x73, 0x00, 0x49, 0x01, 0x00,
};
static uint8_t gsm48_mm_info_nn_tzt_dst_out[] = {
0x05, 0x32, 0x45, 0x08, 0x80, 0x4f, 0x77, 0xeb,
0x1a, 0xb6, 0x97, 0xe7, 0x47, 0x31, 0x90, 0x61,
0x11, 0x02, 0x73, 0x1a, 0x49, 0x01, 0x02,
};
struct test_definition {
const uint8_t *data;
const uint16_t length;
const int dir;
const int result;
const uint8_t *out_data;
const uint16_t out_length;
const char* params;
const int n_params;
};
static int get_int(const char *params, size_t nmemb, const char *key, int def, int *is_set)
{
const char *kv = NULL;
kv = strstr(params, key);
if (kv) {
kv += strlen(key) + 1;
fprintf(stderr, "get_int(%s) -> %d\n", key, atoi(kv));
if (is_set)
*is_set = 1;
}
return kv ? atoi(kv) : def;
}
static const struct test_definition test_scan_defs[] = {
{
.data = gsm48_mm_info_nn_tzt_dst,
.length = ARRAY_SIZE(gsm48_mm_info_nn_tzt),
.dir = TEST_SCAN_TO_BTS,
.result = 0,
.out_data = gsm48_mm_info_nn_tzt_dst_out,
.out_length = ARRAY_SIZE(gsm48_mm_info_nn_tzt_out),
.params = "tz_hr=-5 tz_mn=15 tz_dst=2",
.n_params = 3,
},
{
.data = gsm48_mm_info_nn_tzt_dst,
.length = ARRAY_SIZE(gsm48_mm_info_nn_tzt_dst),
.dir = TEST_SCAN_TO_BTS,
.result = 0,
.out_data = gsm48_mm_info_nn_tzt_dst_out,
.out_length = ARRAY_SIZE(gsm48_mm_info_nn_tzt_dst_out),
.params = "tz_hr=-5 tz_mn=15 tz_dst=2",
.n_params = 3,
},
};
static void test_scan(void)
{
int i;
struct gsm_network *net = bsc_network_init(NULL, 1, 1);
struct gsm_bts *bts = gsm_bts_alloc(net, 0);
struct osmo_bsc_sccp_con *sccp_con;
struct bsc_msc_data *msc;
struct gsm_subscriber_connection *conn;
sccp_con = talloc_zero(net, struct osmo_bsc_sccp_con);
msc = talloc_zero(net, struct bsc_msc_data);
conn = talloc_zero(net, struct gsm_subscriber_connection);
bts->network = net;
sccp_con->msc = msc;
conn->bts = bts;
conn->sccp_con = sccp_con;
conn->lchan = &bts->c0->ts[1].lchan[0];
/* start testing with proper messages */
printf("Testing BTS<->MSC message scan.\n");
for (i = 0; i < ARRAY_SIZE(test_scan_defs); ++i) {
const struct test_definition *test_def = &test_scan_defs[i];
int result;
struct msgb *msg = msgb_alloc(4096, "test-message");
int is_set = 0;
net->tz.hr = get_int(test_def->params, test_def->n_params, "tz_hr", 0, &is_set);
net->tz.mn = get_int(test_def->params, test_def->n_params, "tz_mn", 0, &is_set);
net->tz.dst = get_int(test_def->params, test_def->n_params, "tz_dst", 0, &is_set);
net->tz.override = 1;
printf("Going to test item: %d\n", i);
msg->l3h = msgb_put(msg, test_def->length);
memcpy(msg->l3h, test_def->data, test_def->length);
switch (test_def->dir) {
case TEST_SCAN_TO_BTS:
/* override timezone of msg coming from the MSC */
result = bsc_scan_msc_msg(conn, msg);
break;
case TEST_SCAN_TO_MSC:
/* override timezone of msg coming from the BSC */
/* FIXME: no test for this case is defined in
* test_scan_defs[], so this is never used. */
result = bsc_scan_bts_msg(conn, msg);
break;
default:
abort();
break;
}
if (result != test_def->result) {
printf("FAIL: Not the expected result, got: %d wanted: %d\n",
result, test_def->result);
goto out;
}
if (msgb_l3len(msg) != test_def->out_length) {
printf("FAIL: Not the expected message size, got: %d wanted: %d\n",
msgb_l3len(msg), test_def->out_length);
goto out;
}
if (memcmp(msgb_l3(msg), test_def->out_data, test_def->out_length) != 0) {
printf("FAIL: Not the expected message\n");
goto out;
}
out:
msgb_free(msg);
}
talloc_free(net);
}
int main(int argc, char **argv)
{
msgb_talloc_ctx_init(NULL, 0);
osmo_init_logging(&log_info);
test_scan();
printf("Testing execution completed.\n");
return 0;
}
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