/** Print badge information in a vaguely-human-readable form */
static void
print_badge_human_data(FILE *f, openbeacon_tracker_data *btd, openbeacon_badge *b)
{
if(b->data.denom == 0) {
printf("BADGE %d: NO DATA\n", b->id);
}
#define BAVG(x) (b->data.sum##x / b->data.denom)
if(b->last_print_time.tv_sec - b->last_touch_time.tv_sec < CONFIG_TOUCH_SQUELCH) {
fprintf(f, "BADGE %d: ESTIMATE AS OF %ld IS (%f, %f, %f) (/%d) [%s]"
" (F%2.2x@%ld)\n",
b->id, b->last_print_time.tv_sec,
BAVG(x), BAVG(y), BAVG(z), b->data.denom,
spt_label(btd->areaspt, BAVG(x), BAVG(y), BAVG(z)),
b->last_touch_value, b->last_touch_time.tv_sec);
} else {
fprintf(f, "BADGE %d: ESTIMATE AS OF %ld IS (%f, %f, %f) (/%d) [%s]\n",
b->id, b->last_print_time.tv_sec,
BAVG(x), BAVG(y), BAVG(z), b->data.denom,
spt_label(btd->areaspt, BAVG(x), BAVG(y), BAVG(z)));
}
#undef BAVG
if(DEBUG) for(int i = 0; i < HISTORY_WINDOW_SIZE; i++) {
fprintf(f, "\t%d:(%f,%f,%f)/%d\n", i,
b->data.cells[i].sumx,
b->data.cells[i].sumy,
b->data.cells[i].sumz,
b->data.cells[i].denom );
}
}
/** Print badge information in a structured way */
static void
print_badge_structured_data(FILE *f, openbeacon_tracker_data *btd, openbeacon_badge *b)
{
if(b->data.denom == 0) {
return;
}
#define BAVG(x) (b->data.sum##x / b->data.denom)
if(b->last_print_time.tv_sec - b->last_touch_time.tv_sec < CONFIG_TOUCH_SQUELCH) {
fprintf(f, "%X %lX %lA %lA %lA %X %2.2X@%lX %s\n",
b->id, b->last_print_time.tv_sec,
BAVG(x), BAVG(y), BAVG(z), b->data.denom,
b->last_touch_value, b->last_touch_time.tv_sec,
spt_label(btd->areaspt, BAVG(x), BAVG(y), BAVG(z)));
} else {
fprintf(f, "%X %lX %lA %lA %lA %X %2.2X@%lX %s\n",
b->id, b->last_print_time.tv_sec,
BAVG(x), BAVG(y), BAVG(z), b->data.denom,
0, 0UL,
spt_label(btd->areaspt, BAVG(x), BAVG(y), BAVG(z)));
}
#undef BAVG
}
/** The dispatch.c callback for OPENBEACON_PROTO_BEACONTRACKER.
* @param d User data, as given to dispatch_set_callback.
* @param bytes OpenBeacon packet byte stream.
* @param rxer Receiver identity.
* @param tv Timestamp of packet reception.
*/
void
beacontracker_cb(void *d
, uint8_t *bytes
, dispatch_rx_info *rxi
, const struct timeval *tv
)
{
openbeacon_tracker_data *btd = d;
rx_id rxer = rxi->rxid;
openbeacon_tracker_packet pp;
read_beacontracker(bytes, &pp);
/* Because nobody's been good about keeping their OID spaces
* separate, despite the whopping 32 bit space available to
* them, we at least ensure that our plaintext ones end up
* not getting stomped on by anybody else.
*/
int oid = pp.oid + ((rxi->keyid+1)<<16);
#if 0
// Removed because we feel like tracking a lot more things.
if ((oid > BADGE_MAXIMUM_ID) || (oid < BADGE_MINIMUM_ID)) {
printf("Suspicious OID (outside designated range): %d\n", oid);
return;
}
#endif
gpointer _b = g_hash_table_lookup(btd->oid_estdata, &oid);
openbeacon_badge *b = _b;
if(!_b) {
b = calloc(1, sizeof(openbeacon_badge));
b->id = oid;
g_hash_table_insert(btd->oid_estdata, &b->id, (gpointer) b);
}
gpointer rxloc = g_hash_table_lookup(btd->rxid_location, &rxer);
if(!rxloc) {
printf("Discarding (unknown RX %8.8x)\n", rxer);
return;
}
if(DEBUG) printf("RXer %8.8x saw %d (seq=%x, pl=%x))\n",
rxer, oid, pp.seq, pp.strength);
struct timeval last_time = b->last_print_time;
uint8_t prox = ((~pp.strength) & 0xF) + 1;
update_badge_pos(&b->data, pp.seq >> CONFIG_SEQUENCE_ID_SHIFT,
(rx_loc*)rxloc, prox);
if(tv != NULL && pp.flags != 0xFF) {
b->last_touch_time = *tv;
b->last_touch_value = pp.flags;
}
if(tv == NULL || (tv->tv_sec - last_time.tv_sec >= 1)) {
if(tv != NULL) b->last_print_time = *tv;
if(btd->mqtt_out){
#define BAVG(x) (b->data.sum##x / b->data.denom)
my_publish(b->id,BAVG(x), BAVG(y), BAVG(z));
#undef BAVG
}
if(btd->human_out_file)
print_badge_human_data(btd->human_out_file, btd, b);
if(btd->structured_out_file)
print_badge_structured_data(btd->structured_out_file, btd, b);
}
}