From bfdd5f285b5c3577d57946886f484b9474abed77 Mon Sep 17 00:00:00 2001 From: Holger Hans Peter Freyther Date: Wed, 16 Oct 2013 17:29:31 +0200 Subject: alloc: Add very basic test case for the alloc_a algorithm --- tests/alloc/AllocTest.cpp | 123 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 tests/alloc/AllocTest.cpp (limited to 'tests/alloc/AllocTest.cpp') diff --git a/tests/alloc/AllocTest.cpp b/tests/alloc/AllocTest.cpp new file mode 100644 index 00000000..3d58f509 --- /dev/null +++ b/tests/alloc/AllocTest.cpp @@ -0,0 +1,123 @@ +/* AllocTest.cpp + * + * Copyright (C) 2013 by Holger Hans Peter Freyther + * + * 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 "gprs_rlcmac.h" +#include "gprs_debug.h" +#include "tbf.h" + +#include +#include + +extern "C" { +#include +#include +#include +#include +} + +/* globals used by the code */ +void *tall_pcu_ctx; +struct gprs_rlcmac_bts *gprs_rlcmac_bts; +int16_t spoof_mnc = 0, spoof_mcc = 0; + +static void test_alloc_a(gprs_rlcmac_tbf_direction dir, const int count) +{ + int tfi; + uint8_t used_trx; + struct gprs_rlcmac_bts bts; + struct gprs_rlcmac_tbf *tbfs[33] = { 0, }; + + printf("Testing alloc_a direction(%d)\n", dir); + + memset(&bts, 0, sizeof(bts)); + bts.alloc_algorithm = alloc_algorithm_a; + gprs_rlcmac_bts = &bts; + + struct gprs_rlcmac_trx *trx = &bts.trx[0]; + trx->pdch[2].enable = 1; + trx->pdch[3].enable = 1; + + /** + * Currently alloc_a will only allocate from the first + * PDCH and all possible usf's. We run out of usf's before + * we are out of tfi's. Observe this and make sure that at + * least this part is working okay. + */ + for (int i = 0; i < count; ++i) { + struct gprs_rlcmac_tbf *tbf; + + tfi = tfi_find_free(&bts, dir, &used_trx, 0); + OSMO_ASSERT(tfi >= 0); + tbfs[i] = tbf_alloc(&bts, NULL, dir, tfi, used_trx, 0, 0); + } + + /* Now check that there are still some TFIs */ + tfi = tfi_find_free(&bts, dir, &used_trx, 0); + switch (dir) { + case GPRS_RLCMAC_UL_TBF: + OSMO_ASSERT(tfi >= 0); + break; + case GPRS_RLCMAC_DL_TBF: + OSMO_ASSERT(tfi < 0); + break; + } + OSMO_ASSERT(!tbf_alloc(&bts, NULL, dir, tfi, used_trx, 0, 0)); + + for (int i = 0; i < ARRAY_SIZE(tbfs); ++i) + if (tbfs[i]) + tbf_free(tbfs[i]); + + tfi = tfi_find_free(&bts, dir, &used_trx, 0); + OSMO_ASSERT(tfi >= 0); + + tbfs[tfi] = tbf_alloc(&bts, NULL, dir, tfi, used_trx, 0, 0); + OSMO_ASSERT(tbfs[tfi]); + tbf_free(tbfs[tfi]); +} + +static void test_alloc_a() +{ + test_alloc_a(GPRS_RLCMAC_DL_TBF, 32); + test_alloc_a(GPRS_RLCMAC_UL_TBF, 7); +} + +int main(int argc, char **argv) +{ + tall_pcu_ctx = talloc_named_const(NULL, 1, "moiji-mobile AllocTest context"); + if (!tall_pcu_ctx) + abort(); + + msgb_set_talloc_ctx(tall_pcu_ctx); + osmo_init_logging(&gprs_log_info); + log_set_use_color(osmo_stderr_target, 0); + log_set_print_filename(osmo_stderr_target, 0); + + test_alloc_a(); + return EXIT_SUCCESS; +} + +/* + * 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(); } +} -- cgit v1.2.3