osmo-tetra/src/tetra-rx.c

104 lines
2.3 KiB
C

/* Test program for tetra burst synchronizer */
/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
* 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 Affero 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/talloc.h>
#include "tetra_common.h"
#include "crypto/tetra_crypto.h"
#include <phy/tetra_burst.h>
#include <phy/tetra_burst_sync.h>
#include "tetra_gsmtap.h"
void *tetra_tall_ctx;
int main(int argc, char **argv)
{
int fd;
int opt;
struct tetra_rx_state *trs;
struct tetra_mac_state *tms;
/* Initialize tetra mac state and crypto state */
tms = talloc_zero(tetra_tall_ctx, struct tetra_mac_state);
tetra_mac_state_init(tms);
tms->tcs = talloc_zero(NULL, struct tetra_crypto_state);
tetra_crypto_state_init(tms->tcs);
trs = talloc_zero(tetra_tall_ctx, struct tetra_rx_state);
trs->burst_cb_priv = tms;
while ((opt = getopt(argc, argv, "d:k:")) != -1) {
switch (opt) {
case 'd':
tms->dumpdir = strdup(optarg);
break;
case 'k':
load_keystore(optarg);
break;
default:
fprintf(stderr, "Unknown option %c\n", opt);
}
}
if (argc <= optind) {
fprintf(stderr, "Usage: %s [-d DUMPDIR] <file_with_1_byte_per_bit>\n", argv[0]);
exit(1);
}
fd = open(argv[optind], O_RDONLY);
if (fd < 0) {
perror("open");
exit(2);
}
tetra_gsmtap_init("localhost", 0);
while (1) {
uint8_t buf[64];
int len;
len = read(fd, buf, sizeof(buf));
if (len < 0) {
perror("read");
exit(1);
} else if (len == 0) {
printf("EOF");
break;
}
tetra_burst_sync_in(trs, buf, len);
}
free(tms->dumpdir);
talloc_free(trs);
talloc_free(tms->tcs);
talloc_free(tms);
exit(0);
}