| /* 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" |
| #include "tbf_dl.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(const struct gsm_pcu_if_app_info_req *req) |
| { |
| 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() |
| { |
| struct gprs_rlcmac_bts *bts = gprs_pcu_get_bts_by_nr(the_pcu, 0); |
| struct gprs_rlcmac_trx *trx; |
| |
| fprintf(stderr, "--- %s ---\n", __func__); |
| |
| the_pcu->alloc_algorithm = alloc_algorithm_b; |
| |
| trx = bts->trx; |
| trx->pdch[4].enable(); |
| trx->pdch[5].enable(); |
| trx->pdch[6].enable(); |
| trx->pdch[7].enable(); |
| |
| ms1 = bts_alloc_ms(bts, 10, 11); |
| tbf1 = tbf_alloc_dl_tbf(bts, ms1, 0, false); |
| ms2 = bts_alloc_ms(bts, 12, 13); |
| tbf2 = tbf_alloc_dl_tbf(bts, ms2, 0, false); |
| |
| fprintf(stderr, "\n"); |
| } |
| |
| void test_sched_app_info_ok(const struct gsm_pcu_if_app_info_req *req) |
| { |
| 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 = *req; |
| 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(const struct gsm_pcu_if_app_info_req *req) |
| { |
| struct gprs_rlcmac_bts *bts = gprs_pcu_get_bts_by_nr(the_pcu, 0); |
| struct gsm_pcu_if pcu_prim = {PCU_IF_MSG_APP_INFO_REQ, }; |
| |
| fprintf(stderr, "--- %s ---\n", __func__); |
| pcu_prim.u.app_info_req = *req; |
| pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); |
| |
| msgb_free(bts->app_info); |
| bts->app_info = NULL; |
| |
| assert(sched_app_info(tbf1) == NULL); |
| |
| fprintf(stderr, "\n"); |
| } |
| |
| void test_pcu_rx_overwrite_app_info(const struct gsm_pcu_if_app_info_req *req) |
| { |
| struct gsm_pcu_if pcu_prim = {PCU_IF_MSG_APP_INFO_REQ, }; |
| |
| fprintf(stderr, "--- %s ---\n", __func__); |
| pcu_prim.u.app_info_req = *req; |
| pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); |
| pcu_rx(PCU_IF_MSG_APP_INFO_REQ, &pcu_prim); |
| fprintf(stderr, "\n"); |
| } |
| |
| extern "C" void cleanup() |
| { |
| fprintf(stderr, "--- %s ---\n", __func__); |
| |
| struct gprs_rlcmac_bts *bts; |
| |
| tbf_free(tbf1); |
| tbf_free(tbf2); |
| |
| bts = gprs_pcu_get_bts_by_nr(the_pcu, 0); |
| talloc_free(bts); |
| |
| /* FIXME: talloc report disabled, because bts_alloc_ms(bts, ) in prepare_bts_with_two_dl_tbf_subscr() causes leak */ |
| /* talloc_report_full(tall_pcu_ctx, stderr); */ |
| talloc_free(the_pcu); |
| talloc_free(tall_pcu_ctx); |
| } |
| |
| int main(int argc, char *argv[]) |
| { |
| struct gsm_pcu_if_app_info_req req = {0, 15, {0}}; |
| const uint8_t req_data[] = {0xff, 0x00, 0xff}; |
| memcpy(req.data, req_data, 3); |
| |
| 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_filename2(osmo_stderr_target, LOG_FILENAME_NONE); |
| log_set_print_category(osmo_stderr_target, 0); |
| log_set_print_category_hex(osmo_stderr_target, 0); |
| log_parse_category_mask(osmo_stderr_target, "DL1IF,1:DRLCMAC,3:DRLCMACSCHED,1"); |
| |
| the_pcu = gprs_pcu_alloc(tall_pcu_ctx); |
| bts_alloc(the_pcu, 0); |
| |
| test_enc_zero_len(); |
| test_enc(&req); |
| test_pcu_rx_no_subscr_with_active_tbf(); |
| |
| prepare_bts_with_two_dl_tbf_subscr(); |
| test_sched_app_info_ok(&req); |
| test_sched_app_info_missing_app_info_in_bts(&req); |
| test_pcu_rx_overwrite_app_info(&req); |
| |
| 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(); } |
| } |