| /* |
| * 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" |
| #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> |
| |
| 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(NULL, 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); |
| |
| 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); |
| 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(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); |
| 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(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 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); |
| ul_tbf->direction = GPRS_RLCMAC_UL_TBF; |
| |
| ms = store.get_ms(tlli + 0); |
| OSMO_ASSERT(ms == NULL); |
| |
| ms = store.create_ms(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 = store.create_ms(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); |
| 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(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); |
| dl_tbf->direction = GPRS_RLCMAC_DL_TBF; |
| |
| dl_tbf->set_ms(ms); |
| OSMO_ASSERT(!ms->is_idle()); |
| |
| OSMO_ASSERT(ms->current_cs_dl() == 4); |
| |
| bts->cs_downgrade_threshold = 200; |
| |
| OSMO_ASSERT(ms->current_cs_dl() == 3); |
| |
| talloc_free(dl_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(); |
| test_ms_timeout(); |
| test_ms_cs_selection(); |
| |
| 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(); } |
| } |