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Diffstat (limited to 'tests/bitcomp/BitcompTest.cpp')
-rw-r--r-- | tests/bitcomp/BitcompTest.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/tests/bitcomp/BitcompTest.cpp b/tests/bitcomp/BitcompTest.cpp new file mode 100644 index 0000000..fd3b0df --- /dev/null +++ b/tests/bitcomp/BitcompTest.cpp @@ -0,0 +1,236 @@ +#include <stdint.h> +#include <string.h> + +#include "rlc.h" +#include "gprs_debug.h" +#include <gprs_rlcmac.h> +#include "egprs_rlc_compression.h" + +extern "C" { +#include <osmocom/core/logging.h> +#include <osmocom/core/bitvec.h> +#include <osmocom/core/utils.h> +#include <osmocom/core/application.h> +} + +#define NEW 1 +#define MASK(n) (0xFF << (8-n)) +#define MAX_CRBB_LEN 23 +#define MAX_URBB_LEN 40 + +void *tall_pcu_ctx; + +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 = egprs_compress::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) +{ + osmo_init_logging(&debug_log_info); + log_set_use_color(osmo_stderr_target, 0); + log_set_print_filename(osmo_stderr_target, 0); + + tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile bitcompTest 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(); } +} + |