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osmo-pcu/tests/ms/MsTest.cpp

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/*
* 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 "gprs_debug.h"
#include "gprs_ms.h"
#include "gprs_ms_storage.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>
void *tall_pcu_ctx;
int16_t spoof_mnc = 0, spoof_mcc = 0;
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(tlli);
OSMO_ASSERT(ms->is_idle());
dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
dl_tbf->direction = GPRS_RLCMAC_DL_TBF;
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
ul_tbf->direction = GPRS_RLCMAC_UL_TBF;
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);
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(tlli);
ms->set_callback(&cb);
OSMO_ASSERT(ms->is_idle());
dl_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
dl_tbf->direction = GPRS_RLCMAC_DL_TBF;
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
ul_tbf->direction = GPRS_RLCMAC_UL_TBF;
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(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);
dl_tbf[0]->direction = GPRS_RLCMAC_DL_TBF;
dl_tbf[1] = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_dl_tbf);
dl_tbf[1]->direction = GPRS_RLCMAC_DL_TBF;
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
ul_tbf->direction = GPRS_RLCMAC_UL_TBF;
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(!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(!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(!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(!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(!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(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(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 void test_ms_storage()
{
uint32_t tlli = 0xffeeddbb;
gprs_rlcmac_ul_tbf *ul_tbf;
GprsMs *ms;
GprsMsStorage store;
printf("=== start %s ===\n", __func__);
ul_tbf = talloc_zero(tall_pcu_ctx, struct gprs_rlcmac_ul_tbf);
ul_tbf->direction = GPRS_RLCMAC_UL_TBF;
ms = store.get_ms(tlli + 0);
OSMO_ASSERT(ms == NULL);
ms = store.get_or_create_ms(tlli + 0);
OSMO_ASSERT(ms->tlli() == tlli + 0);
ms = store.get_ms(tlli + 0);
OSMO_ASSERT(ms != NULL);
OSMO_ASSERT(ms->tlli() == tlli + 0);
ms = store.get_or_create_ms(tlli + 1);
OSMO_ASSERT(ms->tlli() == tlli + 1);
ms = store.get_ms(tlli + 1);
OSMO_ASSERT(ms != NULL);
OSMO_ASSERT(ms->tlli() == tlli + 1);
/* 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 const struct log_info_cat default_categories[] = {
{"DPCU", "", "GPRS Packet Control Unit (PCU)", LOGL_INFO, 1},
};
static int filter_fn(const struct log_context *ctx,
struct log_target *tar)
{
return 1;
}
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};
tall_pcu_ctx = talloc_named_const(NULL, 1, "MsTest context");
if (!tall_pcu_ctx)
abort();
msgb_set_talloc_ctx(tall_pcu_ctx);
osmo_init_logging(&debug_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);
vty_init(&pcu_vty_info);
pcu_vty_init(&debug_log_info);
test_ms_state();
test_ms_callback();
test_ms_replace_tbf();
test_ms_change_tlli();
test_ms_storage();
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(); }
}
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