diff options
Diffstat (limited to 'tests/bsc/bsc_test.c')
| -rw-r--r-- | tests/bsc/bsc_test.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/tests/bsc/bsc_test.c b/tests/bsc/bsc_test.c new file mode 100644 index 000000000..20ed5b43b --- /dev/null +++ b/tests/bsc/bsc_test.c @@ -0,0 +1,209 @@ +/* + * 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 <openbsc/debug.h> +#include <openbsc/gsm_data.h> + +#include <openbsc/osmo_bsc.h> +#include <openbsc/bsc_msc_data.h> +#include <openbsc/gsm_04_80.h> +#include <openbsc/gsm_subscriber.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; + struct gsm_bts *bts; + struct osmo_bsc_sccp_con *sccp_con; + struct bsc_msc_data *msc; + struct gsm_subscriber_connection *conn; + + net = talloc_zero(NULL, struct gsm_network); + bts = talloc_zero(net, struct gsm_bts); + 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; + + /* 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; +} |