| /* (C) 2013 by Andreas Eversberg <jolly@eversberg.eu> |
| * 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 <osmocom/abis/trau_frame.h> |
| #include <openbsc/trau_mux.h> |
| #include <osmocom/core/msgb.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| |
| void test_trau_fr_efr(unsigned char *data) |
| { |
| struct decoded_trau_frame tf; |
| struct msgb *msg; |
| struct gsm_data_frame *frame; |
| |
| printf("Testing TRAU FR transcoding.\n"); |
| data[0] = 0xd0; |
| trau_encode_fr(&tf, data); |
| tf.c_bits[11] = 0; /* clear BFI */ |
| msg = trau_decode_fr(1, &tf); |
| OSMO_ASSERT(msg != NULL); |
| frame = (struct gsm_data_frame *)msg->data; |
| OSMO_ASSERT(frame->msg_type == GSM_TCHF_FRAME); |
| OSMO_ASSERT(!memcmp(frame->data, data, 33)); |
| msgb_free(msg); |
| |
| printf("Testing TRAU EFR transcoding.\n"); |
| data[0] = 0xc0; |
| trau_encode_efr(&tf, data); |
| OSMO_ASSERT(tf.d_bits[0] == 1); /* spare bit must be 1 */ |
| tf.c_bits[11] = 0; /* clear BFI */ |
| msg = trau_decode_efr(1, &tf); |
| OSMO_ASSERT(msg != NULL); |
| frame = (struct gsm_data_frame *)msg->data; |
| OSMO_ASSERT(frame->msg_type == GSM_TCHF_FRAME_EFR); |
| OSMO_ASSERT(!memcmp(frame->data, data, 31)); |
| |
| printf("Testing TRAU EFR decoding with CRC error.\n"); |
| tf.d_bits[0] = 0; /* spare bit must be included */ |
| msg = trau_decode_efr(1, &tf); |
| OSMO_ASSERT(msg != NULL); |
| frame = (struct gsm_data_frame *)msg->data; |
| OSMO_ASSERT(frame->msg_type == GSM_BAD_FRAME); |
| msgb_free(msg); |
| } |
| |
| int main() |
| { |
| unsigned char data[33]; |
| int i; |
| |
| msgb_talloc_ctx_init(NULL, 0); |
| |
| memset(data, 0x00, sizeof(data)); |
| test_trau_fr_efr(data); |
| memset(data, 0xff, sizeof(data)); |
| test_trau_fr_efr(data); |
| srandom(42); |
| for (i = 0; i < sizeof(data); i++) |
| data[i] = random(); |
| test_trau_fr_efr(data); |
| printf("Done\n"); |
| return 0; |
| } |
| |
| /* stubs */ |
| void vty_out() {} |