int main(int argc, char** argv) {
char* execute = NULL;
int iArg, iOptIndex, tmp = -1;
while ((iArg = getopt_long(argc, argv, "e:i:t:hH:l:", g_LongOpts, &iOptIndex)) != -1) {
switch (iArg) {
case 'e':
execute = optarg;
break;
case 't':
tmp = strtol(optarg, NULL, 10);
if ((errno == ERANGE || (tmp == LONG_MAX || tmp == LONG_MIN)) || (errno != 0 && tmp == 0) || tmp < 0 || tmp > 65535) {
fprintf(stderr, "--tcp-port requires a valid port to check.\n");
return 1;
}
struct tcp_port* tcp_port = new_tcp_port();
tcp_port->port = (unsigned short) tmp;
break;
case 'H':
if (access(optarg, F_OK|X_OK)) {
fprintf(stderr, "The file passed to --hook either doesn't exist or isn't executable.\n");
return 1;
}
struct hook* hook = new_hook();
hook->executable = optarg;
break;
case 'i':
tmp = strtol(optarg, NULL, 10);
if ((errno == ERANGE || (tmp == LONG_MAX || tmp == LONG_MIN)) || (errno != 0 && tmp == 0) || tmp < 0) {
fprintf(stderr, "--interval requires a positive amount of seconds.\n");
return 1;
}
interval = tmp;
break;
case 'l':
logfile = optarg;
break;
default:
case 'h':
usage();
return 0;
}
}
if (!execute) {
fprintf(stderr, "Missing the -e flag.\n");
return 1;
} else if (check_access(execute)) {
fprintf(stderr, "%s either doesn't exist or isn't executable.\n", execute);
return 1;
}
signal(SIGINT, quit);
signal(SIGQUIT, quit);
int restarts = 0;
for (;; restarts++)
start(execute);
return 0;
}
static Hook *wa_new (int velocity, int nominal, double dt)
{
Butterworth *butflc ;
Hook *hook ;
int i;
double omega, damp;
// allot ( Butterworth *, butflc, 1 ) ;
butflc =new Butterworth();
hook = new_hook(free) ;
hook->p = (void *) butflc ;
for (i=0; i<MAX_ORDER; i++) {
butflc->xim1[i] = 0.0;
butflc->xim2[i] = 0.0;
butflc->xom1[i] = 0.0;
butflc->xom2[i] = 0.0;
}
if (nominal) {
omega = 2.0*M_PI*(1.0/0.8);
damp = 0.8;
butflc->gain = 2800.0 * 1.e-6;
} else {
omega = 2.0*M_PI*(1.0/0.8);
damp = 0.7;
butflc->gain = 2080.0 * 1.e-6;
}
/* Get the filter stages in the s-domain. */
butflc->ns = 2;
butflc->is[0] = 3;
butflc->b[0] = 2.0*damp*omega;
butflc->c[0] = omega*omega;
omega = 2.0*M_PI*10.0;
damp = 0.7;
butflc->is[1] = 1;
butflc->b[1] = 2.0*damp*omega;
butflc->c[1] = omega*omega;
if (velocity) {
butflc->ns = 3;
butflc->is[2] = 4;
}
recoef (butflc, dt, 0, 1);
return hook ;
}
static Hook *bwt_new(double fl, int ol, double fu, int ou, double dt)
{
int nsout;
double gn;
Butterworth *butflc ;
Hook *hook ;
// allot(Butterworth *, butflc, 1);
butflc=new Butterworth();
hook = new_hook(free) ;
hook->p = (void *) butflc ;
butflc->ns = 0;
if (ol + ou > MAX_ORDER) {
return 0;
}
if (fu == (double) 0. || ou == 0) {
butflc->ns = 0;
butflc->gain = (double) 1.;
} else {
butsta (ou, &nsout, butflc->is, butflc->b, butflc->c);
l2l (fu, nsout, butflc->is, butflc->b, butflc->c, &gn);
butflc->ns = nsout;
butflc->gain = gn;
}
if (fl != (double) 0. && ol != 0) {
butsta (ol, &nsout, &butflc->is[butflc->ns], &butflc->b[
butflc->ns], &butflc->c[butflc->ns]);
l2h (fl, nsout, &butflc->is[butflc->ns], &butflc->b[butflc->ns],
&butflc->c[butflc->ns], &gn);
butflc->ns += nsout;
butflc->gain *= gn;
}
butflc->gain = (double) 1.;
recoef (butflc, dt, 0, 1);
return hook;
}