83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
/* (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_TCHF_BAD_FRAME);
|
|
msgb_free(msg);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
unsigned char data[33];
|
|
int i;
|
|
|
|
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() {}
|