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sniffer (audio and pcap) patch

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This commit is contained in:
Jenda 2016-08-28 08:47:30 +02:00
parent a562b0e9a2
commit bffab641ae
5 changed files with 204 additions and 11 deletions
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54
src/lower_mac/tetra_lower_mac.c
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@ -39,6 +39,9 @@
#include "tetra_upper_mac.h"
#include <lower_mac/viterbi.h>
extern int ssi;
extern int tsn;
struct tetra_blk_param {
const char *name;
uint16_t type345_bits;
@ -184,6 +187,57 @@ void tp_sap_udata_ind(enum tp_sap_data_type type, const uint8_t *bits, unsigned
DEBUGP("%s %s type4: %s\n", tbp->name, time_str,
osmo_ubit_dump(type4, tbp->type345_bits));
/* ###### Begin traffic dump patch ###### */
extern char *dumpdir;
if ((type == TPSAP_T_SCH_F) && (tms->cur_burst.is_traffic) && dumpdir) {
printf("SAVING FRAME\n");
char fname[200];
int16_t block[690];
FILE *f;
int i;
/* Open target file */
//snprintf(fname, 100, "traffic_%d_%d.out", tcd->time.tn, tms->cur_burst.is_traffic);
//snprintf(fname, 100, "traffic_%d.out", tcd->time.tn);
snprintf(fname, 199, "%s/traffic_%d_%d.out", dumpdir, tms->cur_burst.is_traffic, tsn);
f = fopen(fname, "ab");
/* Generate a block */
memset(block, 0x00, sizeof(int16_t) * 690);
for (i=0; i<6; i++)
block[115*i] = 0x6b21 + i;
for (i=0; i<114; i++)
block[ 1+i] = type4[ i] ? -127 : 127;
for (i=0; i<114; i++)
block[116+i] = type4[114+i] ? -127 : 127;
for (i=0; i<114; i++)
block[231+i] = type4[228+i] ? -127 : 127;
for (i=0; i<90; i++)
block[346+i] = type4[342+i] ? -127 : 127;
/* Write it */
fwrite(block, sizeof(int16_t), 690, f);
/* Close */
fclose(f);
memset(fname, 0x0, sizeof(char)*200);
snprintf(fname, 199, "%s/traffic_%d_%d.txt", dumpdir, tms->cur_burst.is_traffic, tsn);
/* Write used ssi */
f=fopen(fname, "a");
memset(fname, 0x0, sizeof(char)*200);
snprintf(fname, 199, "%d\n", ssi);
fwrite(fname, sizeof(char), strlen(fname), f);
fclose(f);
}
/* end traffic dump patch */
if (tbp->interleave_a) {
/* Run block deinterleaving: type-3 bits */
block_deinterleave(tbp->type345_bits, tbp->interleave_a, type4, type3);