int main(int argc, char* argv[])
{
signal(SIGINT, signal_term);
signal(SIGTERM, signal_term);
int daemon_mode = (argc > 1 && strcmp(argv[1], "-d") == 0) ? 1 : 0;
if (daemon_mode) {
if (file_exists(file_pid)) {
perror("already running");
exit(1);
}
pid_t pid = fork();
// fork failed
if (pid < 0) {
return -1;
} else if (pid != 0) {
// fork successed, parent exit
return 0;
}
write_pid();
setsid();
chdir("/");
umask(0755);
close(0);
close(1);
close(2);
}
lcd_connect();
lcd_reset();
lcd_clear();
lcd_toggle_backlight();
sleep(1);
do {
show_hostname();
show_time();
show_uptime();
show_mems();
show_loads();
show_diskspace(DEFAULT_DISKSPACE_DIR);
show_ip(DEFAULT_NETWORK_INTERFACE);
show_traffic(DEFAULT_NETWORK_INTERFACE);
sleep(10);
} while (!signal_term_received);
lcd_clear();
lcd_reset();
lcd_disconnect();
unlink(file_pid);
return 0;
}
// TODO: handle pthread_create return code
int
main (int argc, char **argv)
{
pthread_t thread1, thread2;
double tm;
// struct timeval tv;
struct timespec tv;
struct timespec ts;
argv_global = argv;
//signal(SIGALRM,sig_alarm);
signal (SIGHUP, sig_hup);
if (argc != 6)
{
fprintf (stdout,
"Usage: %s interface1 \"interface1 pcap filter\" interface2 \"interface2 pcap filter\" timer\n",
argv[0]);
return 0;
}
timer = atoi (argv[5]);
if (timer == 0)
{
fprintf (stdout, "Wrong timer!\n");
return (0);
}
// gettimeofday(&tv,NULL);
// tm=tv.tv_sec+(double)tv.tv_usec/1000000;
clock_gettime (CLOCK_MONOTONIC, &tv);
tm = tv.tv_sec + (double) tv.tv_nsec / (double) BILLION;
oldtm = tm;
//motherthread = pthread_self ();
pthread_mutex_lock(&mutex[0]);
pthread_create (&thread1, NULL, (void *) dump_interface, (void *) 0);
pthread_cond_wait(&condition, &mutex[0]);
pthread_mutex_unlock(&mutex[0]);
pthread_create (&thread2, NULL, (void *) dump_interface, (void *) 1);
while (1)
{
ts.tv_sec = timer;
ts.tv_nsec = 0;
nanosleep (&ts, NULL);
show_traffic ();
sig_hup (0);
}
fprintf (stdout, "\nExiting!\n");
return 0;
}
