move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

3 files changed, 215 insertions, 0 deletions

diff --git a/tests/xid/Makefile.am b/tests/xid/Makefile.am
new file mode 100644
index 000000000..aaf17edf2
--- /dev/null
+++ b/tests/xid/Makefile.am
@@ -0,0 +1,39 @@
+AM_CPPFLAGS = \
+	$(all_includes) \
+	-I$(top_srcdir)/include \
+	$(NULL)
+
+AM_CFLAGS = \
+	-Wall \
+	-ggdb3 \
+	$(LIBOSMOCORE_CFLAGS) \
+	$(LIBOSMOGSM_CFLAGS) \
+	$(LIBCARES_CFLAGS) \
+	$(NULL)
+
+EXTRA_DIST = \
+	xid_test.ok \
+	$(NULL)
+
+noinst_PROGRAMS = \
+	xid_test \
+	$(NULL)
+
+xid_test_SOURCES = \
+	xid_test.c \
+	$(NULL)
+
+xid_test_LDADD = \
+	$(top_builddir)/src/gprs/gprs_llc_xid.o \
+	$(top_builddir)/src/libcommon/libcommon.a \
+	$(LIBOSMOABIS_LIBS) \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOGSM_LIBS) \
+	$(LIBOSMOGB_LIBS) \
+	$(LIBCARES_LIBS) \
+	$(LIBCRYPTO_LIBS) \
+	$(LIBGTP_LIBS) \
+	-lrt \
+	-lm \
+	$(NULL)
+
diff --git a/tests/xid/xid_test.c b/tests/xid/xid_test.c
new file mode 100644
index 000000000..b77a4ae85
--- /dev/null
+++ b/tests/xid/xid_test.c
@@ -0,0 +1,164 @@
+/* Test LLC-XID Encoding/Decoding */
+
+/* (C) 2016 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Philipp Maier
+ *
+ * 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 Affero 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/gprs_llc_xid.h>
+#include <openbsc/debug.h>
+
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/utils.h>
+
+#include <osmocom/core/application.h>
+
+#include <stdio.h>
+#include <string.h>
+
+/* Test XID encoding */
+static void test_xid_encode(const void *ctx)
+{
+	struct gprs_llc_xid_field xid_field_1;
+	struct gprs_llc_xid_field xid_field_2;
+	struct gprs_llc_xid_field xid_field_3;
+	struct gprs_llc_xid_field xid_field_4;
+	LLIST_HEAD(xid_fields);
+	uint8_t xid[255];
+	uint8_t xid_expected[] =
+	    { 0x10, 0x8c, 0x14, 0x43, 0x43, 0x43, 0x43, 0x43, 0x0b, 0x42, 0x42,
+	0x42, 0x05, 0x41 };
+	int rc;
+
+	printf("Testing LLC XID-Encoder\n");
+
+	/* Setup some simple XID data */
+	xid_field_1.type = 1;
+	xid_field_2.type = 2;
+	xid_field_3.type = 3;
+	xid_field_4.type = 4;
+
+	xid_field_1.data = (uint8_t *) "A";
+	xid_field_2.data = (uint8_t *) "BBB";
+	xid_field_3.data = (uint8_t *) "CCCCC";
+	xid_field_4.data = NULL;
+
+	xid_field_1.data_len = 1;
+	xid_field_2.data_len = 3;
+	xid_field_3.data_len = 5;
+	xid_field_4.data_len = 0;
+
+	llist_add(&xid_field_4.list, &xid_fields);
+	llist_add(&xid_field_3.list, &xid_fields);
+	llist_add(&xid_field_2.list, &xid_fields);
+	llist_add(&xid_field_1.list, &xid_fields);
+
+	printf("Data to encode:\n");
+	gprs_llc_dump_xid_fields(&xid_fields, DSNDCP);
+
+	/* Encode data */
+	rc = gprs_llc_compile_xid(xid, sizeof(xid), &xid_fields);
+	OSMO_ASSERT(rc == 14);
+	printf("Encoded:  %s (%i bytes)\n", osmo_hexdump_nospc(xid, rc), rc);
+	printf("Expected: %s (%i bytes)\n",
+	       osmo_hexdump_nospc(xid_expected, sizeof(xid_expected)),
+	       (int)sizeof(xid_expected));
+
+	OSMO_ASSERT(memcmp(xid_expected, xid, sizeof(xid_expected)) == 0);
+
+	printf("\n");
+}
+
+/* Test XID decoding */
+static void test_xid_decode(const void *ctx)
+{
+	struct llist_head *xid_fields;
+	int rc;
+
+	printf("Testing LLC XID-Decoder/Encoder\n");
+
+	/* Example of a real world LLC-XID message */
+	uint8_t xid[] =
+	    { 0x01, 0x00, 0x16, 0x05, 0xf0, 0x1a, 0x05, 0xf0, 0xac, 0xd8, 0x00,
+	0x01, 0x00, 0x02, 0x31, 0x82, 0x02, 0x27, 0x89, 0xff, 0xe0, 0x00, 0x0f,
+	0x00, 0xa8, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x00, 0x02, 0x01, 0x02,
+	0x00, 0x03, 0x01, 0x03, 0x00, 0x04, 0x01, 0x04, 0x00, 0x05, 0x01, 0x05,
+	0x00, 0x06, 0x00, 0x07, 0x01, 0x07, 0x00, 0x08, 0x01, 0x08, 0x80, 0x00,
+	0x04, 0x12, 0x00, 0x40, 0x07 };
+
+	uint8_t xid_r[512];
+
+	/* Decode and display XID fields */
+	xid_fields = gprs_llc_parse_xid(ctx, xid, sizeof(xid));
+	OSMO_ASSERT(xid_fields);
+
+	printf("Decoded:\n");
+	gprs_llc_dump_xid_fields(xid_fields, DSNDCP);
+
+
+	/* Encode xid-fields again */
+	rc = gprs_llc_compile_xid(xid_r, sizeof(xid_r), xid_fields);
+	printf("Result length=%i\n",rc);
+	printf("Encoded:  %s\n", osmo_hexdump_nospc(xid, sizeof(xid)));
+	printf("Rencoded: %s\n", osmo_hexdump_nospc(xid_r, rc));
+
+	OSMO_ASSERT(rc == 64);
+	OSMO_ASSERT(memcmp(xid, xid_r, sizeof(xid)) == 0);
+
+	/* Free xid fields */
+	talloc_free(xid_fields);
+
+	printf("\n");
+}
+
+static struct log_info_cat gprs_categories[] = {
+	[DSNDCP] = {
+		    .name = "DSNDCP",
+		    .description =
+		    "GPRS Sub-Network Dependent Control Protocol (SNDCP)",
+		    .enabled = 1,.loglevel = LOGL_DEBUG,
+		    }
+};
+
+static struct log_info info = {
+	.cat = gprs_categories,
+	.num_cat = ARRAY_SIZE(gprs_categories),
+};
+
+int main(int argc, char **argv)
+{
+	void *xid_ctx;
+
+	osmo_init_logging(&info);
+
+	xid_ctx = talloc_named_const(NULL, 0, "xid_ctx");
+
+	test_xid_decode(xid_ctx);
+	test_xid_encode(xid_ctx);
+	printf("Done\n");
+
+	talloc_report_full(xid_ctx, stderr);
+	OSMO_ASSERT(talloc_total_blocks(xid_ctx) == 1);
+	return 0;
+}
+
+/* stubs */
+struct osmo_prim_hdr;
+int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx)
+{
+        abort();
+}
diff --git a/tests/xid/xid_test.ok b/tests/xid/xid_test.ok
new file mode 100644
index 000000000..4cf825ca5
--- /dev/null
+++ b/tests/xid/xid_test.ok
@@ -0,0 +1,12 @@
+Testing LLC XID-Decoder/Encoder
+Decoded:
+Result length=64
+Encoded:  01001605f01a05f0acd8000100023182022789ffe0000f00a8000000010101000201020003010300040104000501050006000701070008010880000412004007
+Rencoded: 01001605f01a05f0acd8000100023182022789ffe0000f00a8000000010101000201020003010300040104000501050006000701070008010880000412004007
+
+Testing LLC XID-Encoder
+Data to encode:
+Encoded:  108c1443434343430b4242420541 (14 bytes)
+Expected: 108c1443434343430b4242420541 (14 bytes)
+
+Done