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-rw-r--r--tests/bsc/bsc_test.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/tests/bsc/bsc_test.c b/tests/bsc/bsc_test.c
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+++ b/tests/bsc/bsc_test.c
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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 <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;
+}