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-rw-r--r--tests/Makefile.am15
-rw-r--r--tests/bitcomp/BitcompTest.cpp246
-rw-r--r--tests/bitcomp/BitcompTest.err92
-rw-r--r--tests/bitcomp/BitcompTest.ok2
-rw-r--r--tests/testsuite.at8
5 files changed, 362 insertions, 1 deletions
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 2a3415e0..5c68bea9 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,7 +1,7 @@
AM_CPPFLAGS = $(STD_DEFINES_AND_INCLUDES) $(LIBOSMOCORE_CFLAGS) $(LIBOSMOGB_CFLAGS) $(LIBOSMOGSM_CFLAGS) -I$(top_srcdir)/src/
AM_LDFLAGS = -lrt
-check_PROGRAMS = rlcmac/RLCMACTest alloc/AllocTest tbf/TbfTest types/TypesTest ms/MsTest llist/LListTest llc/LlcTest codel/codel_test edge/EdgeTest
+check_PROGRAMS = rlcmac/RLCMACTest alloc/AllocTest tbf/TbfTest types/TypesTest ms/MsTest llist/LListTest llc/LlcTest codel/codel_test edge/EdgeTest bitcomp/BitcompTest
noinst_PROGRAMS = emu/pcu_emu
rlcmac_RLCMACTest_SOURCES = rlcmac/RLCMACTest.cpp
@@ -26,6 +26,18 @@ tbf_TbfTest_LDADD = \
$(LIBOSMOCORE_LIBS) \
$(COMMON_LA)
+bitcomp_BitcompTest_SOURCES = bitcomp/BitcompTest.cpp
+bitcomp_BitcompTest_LDADD = \
+ $(top_builddir)/src/libgprs.la \
+ $(LIBOSMOCORE_LIBS) \
+ $(LIBOSMOGB_LIBS) \
+ $(LIBOSMOGSM_LIBS) \
+ $(COMMON_LA)
+
+bitcomp_BitcompTest_LDFLAGS = \
+ -Wl,-u,bssgp_prim_cb
+
+
edge_EdgeTest_SOURCES = edge/EdgeTest.cpp
edge_EdgeTest_LDADD = \
$(top_builddir)/src/libgprs.la \
@@ -108,6 +120,7 @@ EXTRA_DIST = \
rlcmac/RLCMACTest.ok rlcmac/RLCMACTest.err \
alloc/AllocTest.ok alloc/AllocTest.err \
tbf/TbfTest.ok tbf/TbfTest.err \
+ bitcomp/BitcompTest.ok bitcomp/BitcompTest.err \
types/TypesTest.ok types/TypesTest.err \
ms/MsTest.ok ms/MsTest.err \
llc/LlcTest.ok llc/LlcTest.err \
diff --git a/tests/bitcomp/BitcompTest.cpp b/tests/bitcomp/BitcompTest.cpp
new file mode 100644
index 00000000..00d6ea8b
--- /dev/null
+++ b/tests/bitcomp/BitcompTest.cpp
@@ -0,0 +1,246 @@
+#include "egprs_rlc_compression.h"
+#include "decoding.h"
+#include "bts.h"
+#include "tbf.h"
+#include "gprs_debug.h"
+#include "pcu_utils.h"
+#include "gprs_bssgp_pcu.h"
+#include "pcu_l1_if.h"
+
+extern "C" {
+#include "pcu_vty.h"
+
+#include <osmocom/core/application.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/vty/vty.h>
+#include <osmocom/gprs/protocol/gsm_04_60.h>
+}
+
+#define NEW 1
+#define MASK(n) (0xFF << (8-n))
+#define MAX_CRBB_LEN 23
+#define MAX_URBB_LEN 40
+
+void *tall_pcu_ctx;
+int16_t spoof_mnc = 0, spoof_mcc = 0;
+
+struct test_data {
+ int8_t crbb_len;
+ uint8_t cc;
+ uint8_t crbb_data[MAX_CRBB_LEN]; /* compressed data */
+ uint8_t ucmp_data[MAX_URBB_LEN]; /* uncompressed data */
+ int ucmp_len;
+ int verify;
+} test[] = {
+ { .crbb_len = 67, .cc = 1,
+ .crbb_data = {
+ 0x02, 0x0c, 0xa0, 0x30, 0xcb, 0x1a, 0x0c, 0xe3, 0x6c
+ },
+ .ucmp_data = {
+ 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0x01, 0xff, 0xff,
+ 0xff, 0xf8, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xfe,
+ 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xdb
+ },
+ .ucmp_len = 194, .verify = 1
+ },
+ { .crbb_len = 40, .cc = 1,
+ .crbb_data = {
+ 0x53, 0x06, 0xc5, 0x40, 0x6d
+ },
+ .ucmp_data = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00,
+ 0x00, 0x00, 0x3f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8,
+ 0x00, 0x00, 0x00, 0x00, 0x03
+ },
+ .ucmp_len = 182, .verify = 1
+ },
+ { .crbb_len = 8, .cc = 1,
+ .crbb_data = {0x02},
+ .ucmp_data = {0xff, 0xff, 0xff, 0xf8},
+ .ucmp_len = 29, .verify = 1
+ },
+ { .crbb_len = 103, .cc = 1,
+ .crbb_data = {
+ 0x02, 0x0c, 0xe0, 0x41, 0xa0, 0x0c, 0x36, 0x0d, 0x03,
+ 0x71, 0xb0, 0x6e, 0x24
+ },
+ .ucmp_data = {
+ 0xff, 0xff, 0xff, 0xf8, 0x00, 0x00, 0xff, 0xff, 0xff,
+ 0xf8, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xfe, 0x00, 0x00,
+ 0x0f, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x7f, 0xff,
+ 0xff, 0xff, 0x80, 0x00, 0x01, 0xff, 0xff, 0xff, 0xff
+ },
+ .ucmp_len = 288, .verify = 1
+ },
+ /* Test vector from libosmocore test */
+ { .crbb_len = 35, .cc = 0,
+ .crbb_data = {0xde, 0x88, 0x75, 0x65, 0x80},
+ .ucmp_data = {0x37, 0x47, 0x81, 0xf0},
+ .ucmp_len = 28, .verify = 1
+ },
+ { .crbb_len = 18, .cc = 1,
+ .crbb_data = {0xdd, 0x41, 0x00},
+ .ucmp_data = {
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0x00, 0x00
+ },
+ .ucmp_len = 90, .verify = 1
+ },
+ /*Invalid inputs*/
+ { .crbb_len = 18, .cc = 1,
+ .crbb_data = {0x1E, 0x70, 0xc0},
+ .ucmp_data = {0x0},
+ .ucmp_len = 0, .verify = 0
+ },
+ { .crbb_len = 14, .cc = 1,
+ .crbb_data = {0x00, 0x1E, 0x7c},
+ .ucmp_data = {0x0},
+ .ucmp_len = 0, .verify = 0
+ },
+ { .crbb_len = 24, .cc = 0,
+ .crbb_data = {0x00, 0x00, 0x00},
+ .ucmp_data = {0x0},
+ .ucmp_len = 0, .verify = 0
+ }
+ };
+
+static const struct log_info_cat default_categories[] = {
+ {"DCSN1", "\033[1;31m", "Concrete Syntax Notation One (CSN1)", LOGL_INFO, 0},
+ {"DL1IF", "\033[1;32m", "GPRS PCU L1 interface (L1IF)", LOGL_DEBUG, 1},
+ {"DRLCMAC", "\033[0;33m", "GPRS RLC/MAC layer (RLCMAC)", LOGL_DEBUG, 1},
+ {"DRLCMACDATA", "\033[0;33m", "GPRS RLC/MAC layer Data (RLCMAC)", LOGL_DEBUG, 1},
+ {"DRLCMACDL", "\033[1;33m", "GPRS RLC/MAC layer Downlink (RLCMAC)", LOGL_DEBUG, 1},
+ {"DRLCMACUL", "\033[1;36m", "GPRS RLC/MAC layer Uplink (RLCMAC)", LOGL_DEBUG, 1},
+ {"DRLCMACSCHED", "\033[0;36m", "GPRS RLC/MAC layer Scheduling (RLCMAC)", LOGL_DEBUG, 1},
+ {"DRLCMACMEAS", "\033[1;31m", "GPRS RLC/MAC layer Measurements (RLCMAC)", LOGL_INFO, 1},
+ {"DNS", "\033[1;34m", "GPRS Network Service Protocol (NS)", LOGL_INFO, 1},
+ {"DBSSGP", "\033[1;34m", "GPRS BSS Gateway Protocol (BSSGP)", LOGL_INFO, 1},
+ {"DPCU", "\033[1;35m", "GPRS Packet Control Unit (PCU)", LOGL_NOTICE, 1},
+};
+
+static int filter_fn(const struct log_context *ctx,
+ struct log_target *tar)
+{
+ return 1;
+}
+
+/* To verify the result with expected result */
+int check_result(bitvec bits, uint8_t *exp_data, int exp_len)
+{
+ if (bits.cur_bit != exp_len)
+ return 0;
+ size_t n = (exp_len / 8);
+ int rem = (exp_len % 8);
+
+ if (memcmp(exp_data, bits.data, n) == 0) {
+ if (rem == 0)
+ return 1;
+ if ((bits.data[n] & MASK(rem)) == ((*(exp_data + n)) & MASK(rem)))
+ return 1;
+ else
+ return 0;
+ } else
+ return 0;
+}
+
+/* To test decoding of compressed bitmap by Tree based method
+ * and to verify the result with expected result
+ * for invalid input verfication is suppressed
+ */
+static void test_EPDAN_decode_tree(void)
+{
+ bitvec dest;
+ int init_flag = 1;
+ int itr;
+ int rc;
+ uint8_t bits_data[RLC_EGPRS_MAX_WS/8];
+
+ printf("=== start %s ===\n", __func__);
+
+ for (itr = 0 ; itr < (sizeof(test) / sizeof(test_data)) ; itr++) {
+ dest.data = bits_data;
+ dest.data_len = sizeof(bits_data);
+ dest.cur_bit = 0;
+ memset(dest.data, 0, sizeof(bits_data));
+ LOGP(DRLCMACDL, LOGL_DEBUG, "\nTest:%d\nTree based decoding:"
+ "\nuncompressed data = %s\nlen = %d\n", itr + 1,
+ osmo_hexdump(test[itr].crbb_data,
+ (test[itr].crbb_len + 7)/8), test[itr].crbb_len
+ );
+ rc = decompress_crbb(test[itr].crbb_len, test[itr].cc,
+ test[itr].crbb_data, &dest
+ );
+ if (rc < 0) {
+ LOGP(DRLCMACUL, LOGL_NOTICE,
+ "\nFailed to decode CRBB: length %d, data %s",
+ test[itr].crbb_len, osmo_hexdump(
+ test[itr].crbb_data, (test[itr].crbb_len + 7)/8));
+ }
+ if (init_flag)
+ init_flag = 0;
+ if (test[itr].verify) {
+ if (check_result(dest, test[itr].ucmp_data,
+ test[itr].ucmp_len) == 0) {
+ LOGP(DRLCMACDL, LOGL_DEBUG, "\nTree based decoding"
+ ":Error\nexpected data = %s\nexpected"
+ " len = %d\ndecoded data = %s\n"
+ "decoded len = %d\n",
+ osmo_hexdump(test[itr].ucmp_data,
+ (test[itr].ucmp_len + 7)/8),
+ test[itr].ucmp_len, osmo_hexdump(dest.data,
+ (dest.cur_bit + 7)/8), dest.cur_bit
+ );
+ OSMO_ASSERT(0);
+ }
+ }
+ LOGP(DRLCMACDL, LOGL_DEBUG, "\nexpected data = %s\nexpected len = %d"
+ "\ndecoded data = %s\ndecoded len = %d\n",
+ osmo_hexdump(test[itr].ucmp_data,
+ (test[itr].ucmp_len + 7)/8),
+ test[itr].ucmp_len, osmo_hexdump(dest.data,
+ (dest.cur_bit + 7)/8), dest.cur_bit
+ );
+ }
+
+ printf("=== end %s ===\n", __func__);
+}
+
+const struct log_info debug_log_info = {
+ filter_fn,
+ (struct log_info_cat *)default_categories,
+ ARRAY_SIZE(default_categories),
+};
+
+int main(int argc, char **argv)
+{
+ struct vty_app_info pcu_vty_info = {0};
+
+ osmo_init_logging(&debug_log_info);
+ log_set_use_color(osmo_stderr_target, 0);
+ log_set_print_filename(osmo_stderr_target, 0);
+ bssgp_set_log_ss(DBSSGP);
+
+ vty_init(&pcu_vty_info);
+ pcu_vty_init(&debug_log_info);
+
+ tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile TbfTest context");
+ if (!tall_pcu_ctx)
+ abort();
+ test_EPDAN_decode_tree();
+ if (getenv("TALLOC_REPORT_FULL"))
+ talloc_report_full(tall_pcu_ctx, stderr);
+ talloc_free(tall_pcu_ctx);
+ return EXIT_SUCCESS;
+}
+/*
+ * stubs that should not be reached
+ */
+extern "C" {
+void l1if_pdch_req() { abort(); }
+void l1if_connect_pdch() { abort(); }
+void l1if_close_pdch() { abort(); }
+void l1if_open_pdch() { abort(); }
+}
+
diff --git a/tests/bitcomp/BitcompTest.err b/tests/bitcomp/BitcompTest.err
new file mode 100644
index 00000000..a9078d0e
--- /dev/null
+++ b/tests/bitcomp/BitcompTest.err
@@ -0,0 +1,92 @@
+
+Test:1
+Tree based decoding:
+uncompressed data = 02 0c a0 30 cb 1a 0c e3 6c
+len = 67
+
+expected data = ff ff ff f8 00 00 01 ff ff ff f8 00 00 00 ff ff ff fe 00 00 3f ff ff ff db
+expected len = 194
+decoded data = ff ff ff f8 00 00 01 ff ff ff f8 00 00 00 ff ff ff fe 00 00 3f ff ff ff db
+decoded len = 194
+
+Test:2
+Tree based decoding:
+uncompressed data = 53 06 c5 40 6d
+len = 40
+
+expected data = ff ff ff ff ff ff c0 00 00 00 00 3f ff ff ff ff ff f8 00 00 00 00 03
+expected len = 182
+decoded data = ff ff ff ff ff ff c0 00 00 00 00 3f ff ff ff ff ff f8 00 00 00 00 03
+decoded len = 182
+
+Test:3
+Tree based decoding:
+uncompressed data = 02
+len = 8
+
+expected data = ff ff ff f8
+expected len = 29
+decoded data = ff ff ff f8
+decoded len = 29
+
+Test:4
+Tree based decoding:
+uncompressed data = 02 0c e0 41 a0 0c 36 0d 03 71 b0 6e 24
+len = 103
+
+expected data = ff ff ff f8 00 00 ff ff ff f8 00 00 7f ff ff fe 00 00 0f ff ff ff e0 00 00 7f ff ff ff 80 00 01 ff ff ff ff
+expected len = 288
+decoded data = ff ff ff f8 00 00 ff ff ff f8 00 00 7f ff ff fe 00 00 0f ff ff ff e0 00 00 7f ff ff ff 80 00 01 ff ff ff ff
+decoded len = 288
+
+Test:5
+Tree based decoding:
+uncompressed data = de 88 75 65 80
+len = 35
+
+expected data = 37 47 81 f0
+expected len = 28
+decoded data = 37 47 81 f0
+decoded len = 28
+
+Test:6
+Tree based decoding:
+uncompressed data = dd 41 00
+len = 18
+
+expected data = ff ff ff ff ff ff ff ff ff ff 00 00
+expected len = 90
+decoded data = ff ff ff ff ff ff ff ff ff ff 00 00
+decoded len = 90
+
+Test:7
+Tree based decoding:
+uncompressed data = 1e 70 c0
+len = 18
+
+expected data =
+expected len = 0
+decoded data =
+decoded len = 19
+
+Test:8
+Tree based decoding:
+uncompressed data = 00 1e
+len = 14
+
+Failed to decode CRBB: length 14, data 00 1e
+expected data =
+expected len = 0
+decoded data =
+decoded len = 0
+
+Test:9
+Tree based decoding:
+uncompressed data = 00 00 00
+len = 24
+
+Failed to decode CRBB: length 24, data 00 00 00
+expected data =
+expected len = 0
+decoded data =
+decoded len = 0
diff --git a/tests/bitcomp/BitcompTest.ok b/tests/bitcomp/BitcompTest.ok
new file mode 100644
index 00000000..f7720fc9
--- /dev/null
+++ b/tests/bitcomp/BitcompTest.ok
@@ -0,0 +1,2 @@
+=== start test_EPDAN_decode_tree ===
+=== end test_EPDAN_decode_tree ===
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 1049b318..3ab39ccb 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -23,6 +23,14 @@ cat $abs_srcdir/tbf/TbfTest.err > experr
AT_CHECK([$OSMO_QEMU $abs_top_builddir/tests/tbf/TbfTest], [0], [expout], [experr])
AT_CLEANUP
+
+AT_SETUP([bitcomp])
+AT_KEYWORDS([bitcomp])
+cat $abs_srcdir/bitcomp/BitcompTest.ok > expout
+cat $abs_srcdir/bitcomp/BitcompTest.err > experr
+AT_CHECK([$OSMO_QEMU $abs_top_builddir/tests/bitcomp/BitcompTest], [0], [expout], [experr])
+AT_CLEANUP
+
AT_SETUP([edge])
AT_KEYWORDS([edge])
cat $abs_srcdir/edge/EdgeTest.ok > expout