osmo-pcu/tests/ms/MsTest.cpp

645 lines
16 KiB
C++

/*
* MsTest.cpp
*
* Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH
*
* 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 "tbf.h"
#include "tbf_ul.h"
#include "gprs_debug.h"
#include "gprs_ms.h"
#include "gprs_ms_storage.h"
#include "bts.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 <errno.h>
#include <unistd.h>
#include <new>
void *tall_pcu_ctx;
int16_t spoof_mnc = 0, spoof_mcc = 0;
bool spoof_mnc_3_digits = false;
static void test_ms_state()
{
uint32_t tlli = 0xffeeddbb;
gprs_rlcmac_dl_tbf *dl_tbf;
gprs_rlcmac_ul_tbf *ul_tbf;
GprsMs *ms;
printf("=== start %s ===\n", __func__);
ms = new GprsMs(NULL, tlli);
OSMO_ASSERT(ms->is_idle());
dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
new (dl_tbf) gprs_rlcmac_dl_tbf(NULL);
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
new (ul_tbf) gprs_rlcmac_ul_tbf(NULL);
ms->attach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == ul_tbf);
OSMO_ASSERT(ms->dl_tbf() == NULL);
ms->attach_tbf(dl_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == ul_tbf);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf);
OSMO_ASSERT(ms->tbf(GPRS_RLCMAC_UL_TBF) == ul_tbf);
OSMO_ASSERT(ms->tbf(GPRS_RLCMAC_DL_TBF) == dl_tbf);
ms->detach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf);
ms->detach_tbf(dl_tbf);
/* The ms object is freed now */
ms = NULL;
talloc_free(dl_tbf);
talloc_free(ul_tbf);
printf("=== end %s ===\n", __func__);
}
static void test_ms_callback()
{
uint32_t tlli = 0xffeeddbb;
gprs_rlcmac_dl_tbf *dl_tbf;
gprs_rlcmac_ul_tbf *ul_tbf;
GprsMs *ms;
static enum {UNKNOWN, IS_IDLE, IS_ACTIVE} last_cb = UNKNOWN;
struct MyCallback: public GprsMs::Callback {
virtual void ms_idle(class GprsMs *ms) {
OSMO_ASSERT(ms->is_idle());
printf(" ms_idle() was called\n");
last_cb = IS_IDLE;
}
virtual void ms_active(class GprsMs *ms) {
OSMO_ASSERT(!ms->is_idle());
printf(" ms_active() was called\n");
last_cb = IS_ACTIVE;
}
} cb;
printf("=== start %s ===\n", __func__);
ms = new GprsMs(NULL, tlli);
ms->set_callback(&cb);
OSMO_ASSERT(ms->is_idle());
dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
new (dl_tbf) gprs_rlcmac_dl_tbf(NULL);
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
new (ul_tbf) gprs_rlcmac_ul_tbf(NULL);
OSMO_ASSERT(last_cb == UNKNOWN);
ms->attach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == ul_tbf);
OSMO_ASSERT(ms->dl_tbf() == NULL);
OSMO_ASSERT(last_cb == IS_ACTIVE);
last_cb = UNKNOWN;
ms->attach_tbf(dl_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == ul_tbf);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf);
OSMO_ASSERT(last_cb == UNKNOWN);
ms->detach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf);
OSMO_ASSERT(last_cb == UNKNOWN);
ms->detach_tbf(dl_tbf);
OSMO_ASSERT(ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == NULL);
OSMO_ASSERT(last_cb == IS_IDLE);
last_cb = UNKNOWN;
delete ms;
talloc_free(dl_tbf);
talloc_free(ul_tbf);
printf("=== end %s ===\n", __func__);
}
static void test_ms_replace_tbf()
{
uint32_t tlli = 0xffeeddbb;
gprs_rlcmac_dl_tbf *dl_tbf[2];
gprs_rlcmac_ul_tbf *ul_tbf;
GprsMs *ms;
static bool was_idle;
struct MyCallback: public GprsMs::Callback {
virtual void ms_idle(class GprsMs *ms) {
OSMO_ASSERT(ms->is_idle());
printf(" ms_idle() was called\n");
was_idle = true;
}
virtual void ms_active(class GprsMs *ms) {
OSMO_ASSERT(!ms->is_idle());
printf(" ms_active() was called\n");
}
} cb;
printf("=== start %s ===\n", __func__);
ms = new GprsMs(NULL, tlli);
ms->set_callback(&cb);
OSMO_ASSERT(ms->is_idle());
was_idle = false;
dl_tbf[0] = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
new (dl_tbf[0]) gprs_rlcmac_dl_tbf(NULL);
dl_tbf[1] = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
new (dl_tbf[1]) gprs_rlcmac_dl_tbf(NULL);
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
new (ul_tbf) gprs_rlcmac_ul_tbf(NULL);
ms->attach_tbf(dl_tbf[0]);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf[0]);
OSMO_ASSERT(llist_empty(&ms->old_tbfs()));
OSMO_ASSERT(!was_idle);
ms->attach_tbf(dl_tbf[1]);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf[1]);
OSMO_ASSERT(!llist_empty(&ms->old_tbfs()));
OSMO_ASSERT(!was_idle);
ms->attach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == ul_tbf);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf[1]);
OSMO_ASSERT(!llist_empty(&ms->old_tbfs()));
OSMO_ASSERT(!was_idle);
ms->detach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf[1]);
OSMO_ASSERT(!llist_empty(&ms->old_tbfs()));
OSMO_ASSERT(!was_idle);
ms->detach_tbf(dl_tbf[0]);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == dl_tbf[1]);
OSMO_ASSERT(llist_empty(&ms->old_tbfs()));
OSMO_ASSERT(!was_idle);
ms->detach_tbf(dl_tbf[1]);
OSMO_ASSERT(ms->is_idle());
OSMO_ASSERT(ms->ul_tbf() == NULL);
OSMO_ASSERT(ms->dl_tbf() == NULL);
OSMO_ASSERT(llist_empty(&ms->old_tbfs()));
OSMO_ASSERT(was_idle);
delete ms;
talloc_free(dl_tbf[0]);
talloc_free(dl_tbf[1]);
talloc_free(ul_tbf);
printf("=== end %s ===\n", __func__);
}
static void test_ms_change_tlli()
{
uint32_t start_tlli = 0xaa000000;
uint32_t new_ms_tlli = 0xff001111;
uint32_t other_sgsn_tlli = 0xff00eeee;
GprsMs *ms;
printf("=== start %s ===\n", __func__);
ms = new GprsMs(NULL, start_tlli);
OSMO_ASSERT(ms->is_idle());
/* MS announces TLLI, SGSN uses it immediately */
ms->set_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(start_tlli));
ms->confirm_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(!ms->check_tlli(start_tlli));
/* MS announces TLLI, SGSN uses it later */
ms->set_tlli(start_tlli);
ms->confirm_tlli(start_tlli);
ms->set_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(start_tlli));
ms->confirm_tlli(start_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(start_tlli));
ms->set_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(start_tlli));
ms->confirm_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(!ms->check_tlli(start_tlli));
/* MS announces TLLI, SGSN uses it later after another new TLLI */
ms->set_tlli(start_tlli);
ms->confirm_tlli(start_tlli);
ms->set_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(start_tlli));
ms->confirm_tlli(other_sgsn_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(other_sgsn_tlli));
ms->set_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(other_sgsn_tlli));
ms->confirm_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(!ms->check_tlli(start_tlli));
OSMO_ASSERT(!ms->check_tlli(other_sgsn_tlli));
/* SGSN uses the new TLLI before it is announced by the MS (shouldn't
* happen in normal use) */
ms->set_tlli(start_tlli);
ms->confirm_tlli(start_tlli);
ms->confirm_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == start_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(ms->check_tlli(start_tlli));
ms->set_tlli(new_ms_tlli);
OSMO_ASSERT(ms->tlli() == new_ms_tlli);
OSMO_ASSERT(ms->check_tlli(new_ms_tlli));
OSMO_ASSERT(!ms->check_tlli(start_tlli));
delete ms;
printf("=== end %s ===\n", __func__);
}
static GprsMs *prepare_ms(GprsMsStorage *st, uint32_t tlli, enum gprs_rlcmac_tbf_direction dir)
{
GprsMs *ms = st->get_ms(tlli);
if (ms)
return ms;
ms = st->create_ms();
if (dir == GPRS_RLCMAC_UL_TBF)
ms->set_tlli(tlli);
else
ms->confirm_tlli(tlli);
return ms;
}
static void test_ms_storage()
{
uint32_t tlli = 0xffeeddbb;
const char *imsi1 = "001001987654321";
const char *imsi2 = "001001987654322";
gprs_rlcmac_ul_tbf *ul_tbf;
GprsMs *ms, *ms_tmp;
GprsMsStorage store(NULL);
printf("=== start %s ===\n", __func__);
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
new (ul_tbf) gprs_rlcmac_ul_tbf(NULL);
ms = store.get_ms(tlli + 0);
OSMO_ASSERT(ms == NULL);
ms = prepare_ms(&store, tlli + 0, GPRS_RLCMAC_UL_TBF);
OSMO_ASSERT(ms != NULL);
OSMO_ASSERT(ms->tlli() == tlli + 0);
ms->set_imsi(imsi1);
OSMO_ASSERT(strcmp(ms->imsi(), imsi1) == 0);
ms_tmp = store.get_ms(tlli + 0);
OSMO_ASSERT(ms == ms_tmp);
OSMO_ASSERT(ms->tlli() == tlli + 0);
ms_tmp = store.get_ms(0, 0, imsi1);
OSMO_ASSERT(ms == ms_tmp);
OSMO_ASSERT(strcmp(ms->imsi(), imsi1) == 0);
ms_tmp = store.get_ms(0, 0, imsi2);
OSMO_ASSERT(ms_tmp == NULL);
ms = prepare_ms(&store, tlli + 1, GPRS_RLCMAC_UL_TBF);
OSMO_ASSERT(ms != NULL);
OSMO_ASSERT(ms->tlli() == tlli + 1);
ms->set_imsi(imsi2);
OSMO_ASSERT(strcmp(ms->imsi(), imsi2) == 0);
ms_tmp = store.get_ms(tlli + 1);
OSMO_ASSERT(ms == ms_tmp);
OSMO_ASSERT(ms->tlli() == tlli + 1);
ms_tmp = store.get_ms(0, 0, imsi1);
OSMO_ASSERT(ms_tmp != NULL);
OSMO_ASSERT(ms_tmp != ms);
ms_tmp = store.get_ms(0, 0, imsi2);
OSMO_ASSERT(ms == ms_tmp);
OSMO_ASSERT(strcmp(ms->imsi(), imsi2) == 0);
/* delete ms */
ms = store.get_ms(tlli + 0);
OSMO_ASSERT(ms != NULL);
ms->attach_tbf(ul_tbf);
ms->detach_tbf(ul_tbf);
ms = store.get_ms(tlli + 0);
OSMO_ASSERT(ms == NULL);
ms = store.get_ms(tlli + 1);
OSMO_ASSERT(ms != NULL);
/* delete ms */
ms = store.get_ms(tlli + 1);
OSMO_ASSERT(ms != NULL);
ms->attach_tbf(ul_tbf);
ms->detach_tbf(ul_tbf);
ms = store.get_ms(tlli + 1);
OSMO_ASSERT(ms == NULL);
talloc_free(ul_tbf);
printf("=== end %s ===\n", __func__);
}
static void test_ms_timeout()
{
uint32_t tlli = 0xffeeddbb;
gprs_rlcmac_dl_tbf *dl_tbf;
gprs_rlcmac_ul_tbf *ul_tbf;
GprsMs *ms;
static enum {UNKNOWN, IS_IDLE, IS_ACTIVE} last_cb = UNKNOWN;
struct MyCallback: public GprsMs::Callback {
virtual void ms_idle(class GprsMs *ms) {
OSMO_ASSERT(ms->is_idle());
printf(" ms_idle() was called\n");
last_cb = IS_IDLE;
}
virtual void ms_active(class GprsMs *ms) {
OSMO_ASSERT(!ms->is_idle());
printf(" ms_active() was called\n");
last_cb = IS_ACTIVE;
}
} cb;
printf("=== start %s ===\n", __func__);
ms = new GprsMs(NULL, tlli);
ms->set_callback(&cb);
ms->set_timeout(1);
OSMO_ASSERT(ms->is_idle());
dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
new (dl_tbf) gprs_rlcmac_dl_tbf(NULL);
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
new (ul_tbf) gprs_rlcmac_ul_tbf(NULL);
OSMO_ASSERT(last_cb == UNKNOWN);
ms->attach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(last_cb == IS_ACTIVE);
last_cb = UNKNOWN;
ms->attach_tbf(dl_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(last_cb == UNKNOWN);
ms->detach_tbf(ul_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(last_cb == UNKNOWN);
ms->detach_tbf(dl_tbf);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(last_cb == UNKNOWN);
usleep(1100000);
osmo_timers_update();
OSMO_ASSERT(ms->is_idle());
OSMO_ASSERT(last_cb == IS_IDLE);
last_cb = UNKNOWN;
delete ms;
talloc_free(dl_tbf);
talloc_free(ul_tbf);
printf("=== end %s ===\n", __func__);
}
static void test_ms_cs_selection()
{
BTS the_bts;
gprs_rlcmac_bts *bts = the_bts.bts_data();
uint32_t tlli = 0xffeeddbb;
gprs_rlcmac_dl_tbf *dl_tbf;
GprsMs *ms;
printf("=== start %s ===\n", __func__);
bts->initial_cs_dl = 4;
bts->initial_cs_ul = 1;
bts->cs_downgrade_threshold = 0;
ms = new GprsMs(&the_bts, tlli);
OSMO_ASSERT(ms->is_idle());
dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
new (dl_tbf) gprs_rlcmac_dl_tbf(NULL);
dl_tbf->set_ms(ms);
OSMO_ASSERT(!ms->is_idle());
OSMO_ASSERT(mcs_chan_code(ms->current_cs_dl()) == 3);
bts->cs_downgrade_threshold = 200;
OSMO_ASSERT(mcs_chan_code(ms->current_cs_dl()) == 2);
talloc_free(dl_tbf);
printf("=== end %s ===\n", __func__);
}
static void dump_ms(const GprsMs *ms, const char *pref)
{
printf("%s MS DL %s/%s, UL %s/%s, mode %s, <%s>\n", pref,
mcs_name(ms->current_cs_dl()), mcs_name(ms->max_cs_dl()),
mcs_name(ms->current_cs_ul()), mcs_name(ms->max_cs_ul()),
mode_name(ms->mode()),
ms->is_idle() ? "IDLE" : "ACTIVE");
}
static void test_ms_mcs_mode()
{
BTS the_bts;
gprs_rlcmac_bts *bts = the_bts.bts_data();
uint32_t tlli = 0xdeadbeef;
gprs_rlcmac_dl_tbf *dl_tbf;
GprsMs *ms1, *ms2;
printf("=== start %s ===\n", __func__);
ms1 = new GprsMs(&the_bts, tlli);
dump_ms(ms1, "1: no BTS defaults ");
bts->initial_cs_dl = 4;
bts->initial_cs_ul = 1;
bts->cs_downgrade_threshold = 0;
ms2 = new GprsMs(&the_bts, tlli + 1);
dump_ms(ms2, "2: with BTS defaults");
dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
new (dl_tbf) gprs_rlcmac_dl_tbf(NULL);
dl_tbf->set_ms(ms2);
dump_ms(ms2, "2: after TBF attach ");
ms1->set_mode(EGPRS);
dump_ms(ms1, "1: after mode set ");
ms2->set_mode(EGPRS);
dump_ms(ms2, "2: after mode set ");
ms1->set_current_cs_dl(MCS7);
dump_ms(ms1, "1: after MCS set ");
ms2->set_current_cs_dl(MCS8);
dump_ms(ms2, "2: after MCS set ");
ms1->set_mode(EGPRS_GMSK);
dump_ms(ms1, "1: after mode set ");
ms2->set_mode(EGPRS_GMSK);
dump_ms(ms2, "2: after mode set ");
// FIXME: following code triggers ASAN failure:
// ms2->detach_tbf(dl_tbf);
// dump_ms(ms2, "2: after TBF detach ");
ms1->set_mode(GPRS);
dump_ms(ms1, "1: after mode set ");
ms2->set_mode(GPRS);
dump_ms(ms2, "2: after mode set ");
talloc_free(dl_tbf);
printf("=== end %s ===\n", __func__);
}
int main(int argc, char **argv)
{
struct vty_app_info pcu_vty_info = {0};
tall_pcu_ctx = talloc_named_const(NULL, 1, "MsTest context");
if (!tall_pcu_ctx)
abort();
msgb_talloc_ctx_init(tall_pcu_ctx, 0);
osmo_init_logging2(tall_pcu_ctx, &gprs_log_info);
log_set_use_color(osmo_stderr_target, 0);
log_set_print_filename(osmo_stderr_target, 0);
log_set_log_level(osmo_stderr_target, LOGL_INFO);
log_parse_category_mask(osmo_stderr_target, "DPCU,3:DRLCMAC,3");
vty_init(&pcu_vty_info);
pcu_vty_init();
test_ms_state();
test_ms_callback();
test_ms_replace_tbf();
test_ms_change_tlli();
test_ms_storage();
test_ms_timeout();
test_ms_cs_selection();
test_ms_mcs_mode();
if (getenv("TALLOC_REPORT_FULL"))
talloc_report_full(tall_pcu_ctx, stderr);
return EXIT_SUCCESS;
}
extern "C" {
void l1if_pdch_req() { abort(); }
void l1if_connect_pdch() { abort(); }
void l1if_close_pdch() { abort(); }
void l1if_open_pdch() { abort(); }
}