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osmo-pcu
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osmo-pcu/tests/types/TypesTest.cpp

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/*
* TypesTest.cpp Test the primitive data types
*
* Copyright (C) 2013 by Holger Hans Peter Freyther
*
* 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 "bts.h"
#include "tbf.h"
#include "gprs_debug.h"
#include "encoding.h"
#include "decoding.h"
extern "C" {
#include <osmocom/core/application.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/utils.h>
}
#define OSMO_ASSERT_STR_EQ(a, b) \
do { \
if (strcmp(a, b)) { \
printf("String mismatch:\nGot:\t%s\nWant:\t%s\n", a, b); \
OSMO_ASSERT(false); \
} \
} while (0)
void *tall_pcu_ctx;
int16_t spoof_mnc = 0, spoof_mcc = 0;
static void test_llc(void)
{
{
uint8_t data[LLC_MAX_LEN] = {1, 2, 3, 4, };
uint8_t out;
gprs_llc llc;
llc.init();
OSMO_ASSERT(llc.chunk_size() == 0);
OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN);
OSMO_ASSERT(llc.frame_length() == 0);
llc.put_frame(data, 2);
OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN - 2);
OSMO_ASSERT(llc.frame_length() == 2);
OSMO_ASSERT(llc.chunk_size() == 2);
OSMO_ASSERT(llc.frame[0] == 1);
OSMO_ASSERT(llc.frame[1] == 2);
llc.append_frame(&data[3], 1);
OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN - 3);
OSMO_ASSERT(llc.frame_length() == 3);
OSMO_ASSERT(llc.chunk_size() == 3);
/* consume two bytes */
llc.consume(&out, 1);
OSMO_ASSERT(llc.remaining_space() == LLC_MAX_LEN - 3);
OSMO_ASSERT(llc.frame_length() == 3);
OSMO_ASSERT(llc.chunk_size() == 2);
/* check that the bytes are as we expected */
OSMO_ASSERT(llc.frame[0] == 1);
OSMO_ASSERT(llc.frame[1] == 2);
OSMO_ASSERT(llc.frame[2] == 4);
/* now fill the frame */
llc.append_frame(data, llc.remaining_space() - 1);
OSMO_ASSERT(llc.fits_in_current_frame(1));
OSMO_ASSERT(!llc.fits_in_current_frame(2));
}
}
static void test_rlc()
{
{
struct gprs_rlc_data rlc = { 0, };
memset(rlc.block, 0x23, RLC_MAX_LEN);
uint8_t *p = rlc.prepare(20);
OSMO_ASSERT(p == rlc.block);
for (int i = 0; i < 20; ++i)
OSMO_ASSERT(p[i] == 0x2B);
for (int i = 20; i < RLC_MAX_LEN; ++i)
OSMO_ASSERT(p[i] == 0x0);
}
}
static void test_rlc_v_b()
{
{
gprs_rlc_v_b vb;
vb.reset();
for (size_t i = 0; i < RLC_MAX_SNS; ++i)
OSMO_ASSERT(vb.is_invalid(i));
vb.mark_unacked(23);
OSMO_ASSERT(vb.is_unacked(23));
vb.mark_nacked(23);
OSMO_ASSERT(vb.is_nacked(23));
vb.mark_acked(23);
OSMO_ASSERT(vb.is_acked(23));
vb.mark_resend(23);
OSMO_ASSERT(vb.is_resend(23));
vb.mark_invalid(23);
OSMO_ASSERT(vb.is_invalid(23));
}
}
static void test_rlc_v_n()
{
{
gprs_rlc_v_n vn;
vn.reset();
OSMO_ASSERT(!vn.is_received(0x23));
OSMO_ASSERT(vn.state(0x23) == ' ');
vn.mark_received(0x23);
OSMO_ASSERT(vn.is_received(0x23));
OSMO_ASSERT(vn.state(0x23) == 'R');
vn.mark_missing(0x23);
OSMO_ASSERT(!vn.is_received(0x23));
OSMO_ASSERT(vn.state(0x23) == 'N');
}
}
static void test_rlc_dl_ul_basic()
{
{
gprs_rlc_dl_window dl_win = { 0, };
OSMO_ASSERT(dl_win.window_empty());
OSMO_ASSERT(!dl_win.window_stalled());
OSMO_ASSERT(dl_win.distance() == 0);
dl_win.increment_send();
OSMO_ASSERT(!dl_win.window_empty());
OSMO_ASSERT(!dl_win.window_stalled());
OSMO_ASSERT(dl_win.distance() == 1);
for (int i = 1; i < 64; ++i) {
dl_win.increment_send();
OSMO_ASSERT(!dl_win.window_empty());
OSMO_ASSERT(dl_win.distance() == i + 1);
}
OSMO_ASSERT(dl_win.distance() == 64);
OSMO_ASSERT(dl_win.window_stalled());
dl_win.raise(1);
OSMO_ASSERT(dl_win.distance() == 63);
OSMO_ASSERT(!dl_win.window_stalled());
for (int i = 62; i >= 0; --i) {
dl_win.raise(1);
OSMO_ASSERT(dl_win.distance() == i);
}
OSMO_ASSERT(dl_win.distance() == 0);
OSMO_ASSERT(dl_win.window_empty());
dl_win.increment_send();
dl_win.increment_send();
dl_win.increment_send();
dl_win.increment_send();
OSMO_ASSERT(dl_win.distance() == 4);
for (int i = 0; i < 128; ++i) {
dl_win.increment_send();
dl_win.increment_send();
dl_win.raise(2);
OSMO_ASSERT(dl_win.distance() == 4);
}
}
{
gprs_rlc_ul_window ul_win = { 0, };
int count;
const char *rbb;
char win_rbb[65];
uint8_t bin_rbb[8];
win_rbb[64] = '\0';
ul_win.m_v_n.reset();
OSMO_ASSERT(ul_win.is_in_window(0));
OSMO_ASSERT(ul_win.is_in_window(63));
OSMO_ASSERT(!ul_win.is_in_window(64));
OSMO_ASSERT(!ul_win.m_v_n.is_received(0));
rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII";
OSMO_ASSERT(ul_win.ssn() == 0);
ul_win.update_rbb(win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
Encoding::encode_rbb(win_rbb, bin_rbb);
printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb)));
Decoding::extract_rbb(bin_rbb, win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
/* simulate to have received 0, 1 and 5 */
OSMO_ASSERT(ul_win.is_in_window(0));
count = ul_win.receive_bsn(0);
OSMO_ASSERT(ul_win.m_v_n.is_received(0));
OSMO_ASSERT(ul_win.v_q() == 1);
OSMO_ASSERT(ul_win.v_r() == 1);
OSMO_ASSERT(count == 1);
rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIR";
OSMO_ASSERT(ul_win.ssn() == 1);
ul_win.update_rbb(win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
Encoding::encode_rbb(win_rbb, bin_rbb);
printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb)));
Decoding::extract_rbb(bin_rbb, win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
OSMO_ASSERT(ul_win.is_in_window(1));
count = ul_win.receive_bsn(1);
OSMO_ASSERT(ul_win.m_v_n.is_received(0));
OSMO_ASSERT(ul_win.v_q() == 2);
OSMO_ASSERT(ul_win.v_r() == 2);
OSMO_ASSERT(count == 1);
rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIRR";
OSMO_ASSERT(ul_win.ssn() == 2);
ul_win.update_rbb(win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
Encoding::encode_rbb(win_rbb, bin_rbb);
printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb)));
Decoding::extract_rbb(bin_rbb, win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
OSMO_ASSERT(ul_win.is_in_window(5));
count = ul_win.receive_bsn(5);
OSMO_ASSERT(ul_win.m_v_n.is_received(0));
OSMO_ASSERT(ul_win.v_q() == 2);
OSMO_ASSERT(ul_win.v_r() == 6);
OSMO_ASSERT(count == 0);
rbb = "IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIRRIIIR";
OSMO_ASSERT(ul_win.ssn() == 6);
ul_win.update_rbb(win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
Encoding::encode_rbb(win_rbb, bin_rbb);
printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb)));
Decoding::extract_rbb(bin_rbb, win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
OSMO_ASSERT(ul_win.is_in_window(65));
OSMO_ASSERT(ul_win.is_in_window(2));
OSMO_ASSERT(ul_win.m_v_n.is_received(5));
count = ul_win.receive_bsn(65);
OSMO_ASSERT(count == 0);
OSMO_ASSERT(ul_win.m_v_n.is_received(5));
OSMO_ASSERT(ul_win.v_q() == 2);
OSMO_ASSERT(ul_win.v_r() == 66);
rbb = "IIIRIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIR";
OSMO_ASSERT(ul_win.ssn() == 66);
ul_win.update_rbb(win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
Encoding::encode_rbb(win_rbb, bin_rbb);
printf("rbb: %s\n", osmo_hexdump(bin_rbb, sizeof(bin_rbb)));
Decoding::extract_rbb(bin_rbb, win_rbb);
OSMO_ASSERT_STR_EQ(win_rbb, rbb);
OSMO_ASSERT(ul_win.is_in_window(2));
OSMO_ASSERT(!ul_win.is_in_window(66));
count = ul_win.receive_bsn(2);
OSMO_ASSERT(count == 1);
OSMO_ASSERT(ul_win.v_q() == 3);
OSMO_ASSERT(ul_win.v_r() == 66);
OSMO_ASSERT(ul_win.is_in_window(66));
count = ul_win.receive_bsn(66);
OSMO_ASSERT(count == 0);
OSMO_ASSERT(ul_win.v_q() == 3);
OSMO_ASSERT(ul_win.v_r() == 67);
for (int i = 3; i <= 67; ++i) {
ul_win.receive_bsn(i);
}
OSMO_ASSERT(ul_win.v_q() == 68);
OSMO_ASSERT(ul_win.v_r() == 68);
count = ul_win.receive_bsn(68);
OSMO_ASSERT(ul_win.v_q() == 69);
OSMO_ASSERT(ul_win.v_r() == 69);
OSMO_ASSERT(count == 1);
/* now test the wrapping */
OSMO_ASSERT(ul_win.is_in_window(4));
OSMO_ASSERT(!ul_win.is_in_window(5));
count = ul_win.receive_bsn(4);
OSMO_ASSERT(count == 0);
}
{
int count;
uint8_t rbb[8];
uint16_t lost = 0, recv = 0;
char show_rbb[65];
BTS dummy_bts;
gprs_rlc_dl_window dl_win = { 0, };
dl_win.m_v_b.reset();
OSMO_ASSERT(dl_win.window_empty());
OSMO_ASSERT(!dl_win.window_stalled());
OSMO_ASSERT(dl_win.distance() == 0);
dl_win.increment_send();
OSMO_ASSERT(!dl_win.window_empty());
OSMO_ASSERT(!dl_win.window_stalled());
OSMO_ASSERT(dl_win.distance() == 1);
for (int i = 0; i < 35; ++i) {
dl_win.increment_send();
OSMO_ASSERT(!dl_win.window_empty());
OSMO_ASSERT(dl_win.distance() == i + 2);
}
uint8_t rbb_cmp[8] = { 0x00, 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff };
Decoding::extract_rbb(rbb_cmp, show_rbb);
printf("show_rbb: %s\n", show_rbb);
dl_win.update(&dummy_bts, show_rbb, 35, &lost, &recv);
OSMO_ASSERT(lost == 0);
OSMO_ASSERT(recv == 35);
}
}
int main(int argc, char **argv)
{
osmo_init_logging(&gprs_log_info);
log_set_use_color(osmo_stderr_target, 0);
log_set_print_filename(osmo_stderr_target, 0);
printf("Making some basic type testing.\n");
test_llc();
test_rlc();
test_rlc_v_b();
test_rlc_v_n();
test_rlc_dl_ul_basic();
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(); }
}
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