diff options
Diffstat (limited to 'tests/app_info/AppInfoTest.cpp')
| -rw-r--r-- | tests/app_info/AppInfoTest.cpp | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/tests/app_info/AppInfoTest.cpp b/tests/app_info/AppInfoTest.cpp new file mode 100644 index 00000000..c4cf548d --- /dev/null +++ b/tests/app_info/AppInfoTest.cpp @@ -0,0 +1,191 @@ +/* Copyright (C) 2019 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * 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 General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#include <cstdlib> +#include <cstring> +#include <assert.h> +#include "gprs_rlcmac.h" +#include "bts.h" + +extern "C" { +#include <osmocom/vty/telnet_interface.h> +#include <osmocom/vty/logging.h> +#include <osmocom/core/utils.h> +#include <osmocom/core/msgb.h> +#include <osmocom/core/application.h> +} + +using namespace std; +gprs_rlcmac_dl_tbf *tbf1, *tbf2; +GprsMs *ms1, *ms2; +struct msgb *sched_app_info(struct gprs_rlcmac_tbf *tbf); + +/* globals used by the code */ +void *tall_pcu_ctx; +int16_t spoof_mnc = 0, spoof_mcc = 0; +bool spoof_mnc_3_digits = false; + +void test_enc_zero_len() { + struct gsm_pcu_if_app_info_req req = {0, 0, {0}}; + + fprintf(stderr, "--- %s ---\n", __func__); + assert(gprs_rlcmac_app_info_msg(&req) == NULL); + fprintf(stderr, "\n"); +} + +void test_enc() { + struct gsm_pcu_if_app_info_req req = {0, 15, {0xff, 0x00, 0xff}}; + const char *exp = "03 fc 03 fc 00 00 00 00 00 00 00 00 00 00 00 00 "; /* shifted by two bits to the right */ + struct msgb *msg; + char *msg_dump; + + fprintf(stderr, "--- %s ---\n", __func__); + msg = gprs_rlcmac_app_info_msg(&req); + msg_dump = msgb_hexdump_c(tall_pcu_ctx, msg); + + fprintf(stderr, "exp: %s\n", exp); + fprintf(stderr, "msg: %s\n", msg_dump); + assert(strcmp(msg_dump, exp) == 0); + + msgb_free(msg); + talloc_free(msg_dump); + fprintf(stderr, "\n"); +} + +void test_pcu_rx_no_subscr_with_active_tbf() +{ + struct gsm_pcu_if pcu_prim = {PCU_IF_MSG_APP_INFO_REQ, }; + + fprintf(stderr, "--- %s ---\n", __func__); + pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); + fprintf(stderr, "\n"); +} + +void prepare_bts_with_two_dl_tbf_subscr() +{ + BTS *bts = BTS::main_bts(); + struct gprs_rlcmac_bts *bts_data; + struct gprs_rlcmac_trx *trx; + + fprintf(stderr, "--- %s ---\n", __func__); + + bts_data = bts->bts_data(); + bts_data->alloc_algorithm = alloc_algorithm_b; + + trx = bts_data->trx; + trx->pdch[4].enable(); + trx->pdch[5].enable(); + trx->pdch[6].enable(); + trx->pdch[7].enable(); + + ms1 = bts->ms_alloc(10, 11); + tbf1 = tbf_alloc_dl_tbf(bts_data, ms1, 0, 10, 11, false); + ms2 = bts->ms_alloc(12, 13); + tbf2 = tbf_alloc_dl_tbf(bts_data, ms2, 0, 12, 13, false); + + fprintf(stderr, "\n"); +} + +void test_sched_app_info_ok() +{ + struct gsm_pcu_if pcu_prim = {PCU_IF_MSG_APP_INFO_REQ, }; + struct msgb *msg; + + fprintf(stderr, "--- %s ---\n", __func__); + pcu_prim.u.app_info_req = {0, 15, {0xff, 0x00, 0xff}}; + pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); + + msg = sched_app_info(tbf1); + assert(msg); + msgb_free(msg); + + msg = sched_app_info(tbf2); + assert(msg); + msgb_free(msg); + + fprintf(stderr, "\n"); +} + +void test_sched_app_info_missing_app_info_in_bts() +{ + struct gprs_rlcmac_bts *bts_data = BTS::main_bts()->bts_data(); + struct gsm_pcu_if pcu_prim = {PCU_IF_MSG_APP_INFO_REQ, }; + + fprintf(stderr, "--- %s ---\n", __func__); + pcu_prim.u.app_info_req = {0, 15, {0xff, 0x00, 0xff}}; + pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); + + msgb_free(bts_data->app_info); + bts_data->app_info = NULL; + + assert(sched_app_info(tbf1) == NULL); + + fprintf(stderr, "\n"); +} + +void test_pcu_rx_overwrite_app_info() +{ + struct gsm_pcu_if pcu_prim = {PCU_IF_MSG_APP_INFO_REQ, }; + + fprintf(stderr, "--- %s ---\n", __func__); + pcu_prim.u.app_info_req = {0, 15, {0xff, 0x00, 0xff}}; + pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); + pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); + fprintf(stderr, "\n"); +} + +void cleanup() +{ + fprintf(stderr, "--- %s ---\n", __func__); + + BTS::main_bts()->cleanup(); + talloc_free(tbf1); + talloc_free(tbf2); + /* FIXME: talloc report disabled, because bts->ms_alloc() in prepare_bts_with_two_dl_tbf_subscr() causes leak */ + /* talloc_report_full(tall_pcu_ctx, stderr); */ + talloc_free(tall_pcu_ctx); +} + +int main(int argc, char *argv[]) +{ + tall_pcu_ctx = talloc_named_const(NULL, 1, "AppInfoTest"); + 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_parse_category_mask(osmo_stderr_target, "DL1IF,1:DRLCMAC,3:DRLCMACSCHED,1"); + + test_enc_zero_len(); + test_enc(); + test_pcu_rx_no_subscr_with_active_tbf(); + + prepare_bts_with_two_dl_tbf_subscr(); + test_sched_app_info_ok(); + test_sched_app_info_missing_app_info_in_bts(); + test_pcu_rx_overwrite_app_info(); + + cleanup(); +} + +/* + * 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(); } +} |