int add_remove_p2p_interface(int add)
{
int ret;
ret = init_nl();
if (ret != 0)
return ret;
if (add) {
ret = execute_nl_interface_cmd(P2P_INTERFACE, NL80211_IFTYPE_STATION,
NL80211_CMD_NEW_INTERFACE);
if (ret != 0) {
ALOGE("could not add P2P interface: %d", ret);
goto cleanup;
}
} else {
ret = execute_nl_interface_cmd(P2P_INTERFACE, NL80211_IFTYPE_STATION,
NL80211_CMD_DEL_INTERFACE);
if (ret != 0) {
ALOGE("could not remove P2P interface: %d", ret);
goto cleanup;
}
}
ALOGD("added/removed p2p interface. add: %d", add);
cleanup:
deinit_nl();
return ret;
}
void read_header(FILE* fd) {
init_nl(fd);
nl(); /* ply */
nl(); /* format binary_little_endian 1.0 */
/* element vertex %nv% */
nl(); sscanf(line, "element vertex %d\n", &nv);
nl(); nl(); nl(); nl(); nl(); nl(); /* property float [xyzuvw] */
nl(); sscanf(line, "element face %d\n", &nf);
nl(); /* property list int int vertex_index */
nl(); /* end_header */
}
static void *run(void *data)
{
(void)data; /* unused parameter. silence warning. */
init_nl();
raw_sample_buf_init();
init_realtime();
set_sample_period(SAMPLE_PERIOD_US);
struct timespec deadline;
clock_gettime(CLOCK_MONOTONIC, &deadline);
int sample_no = 0;
char *iface = strdup(g_iface);
struct iface_stats *stats_frame = raw_sample_buf_produce_next();
snprintf(stats_frame->iface, MAX_IFACE_LEN, "%s", iface);
stats_frame->sample_period_us = sample_period_us;
for (;;) {
update_stats(&(stats_frame->samples[sample_no]), iface,
deadline);
sample_no++;
sample_no %= SAMPLES_PER_FRAME;
/* set the iface, samples per period at start of each frame*/
if (sample_no == 0) {
pthread_mutex_lock(&g_iface_mutex);
free(iface);
iface = strdup(g_iface);
stats_frame = raw_sample_buf_produce_next();
snprintf(stats_frame->iface, MAX_IFACE_LEN, "%s",
iface);
pthread_mutex_unlock(&g_iface_mutex);
stats_frame->sample_period_us = sample_period_us;
stats_handler(raw_sample_buf_consume_next());
}
deadline.tv_nsec += 1000 * sample_period_us;
/* Normalize the time to account for the second boundary */
if (deadline.tv_nsec >= 1000000000) {
deadline.tv_nsec -= 1000000000;
deadline.tv_sec++;
}
clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &deadline,
NULL);
}
return NULL;
}
