/*
* Drop a tcp connection.
*/
int
main(int argc, char *argv[])
{
char *lport, *fport;
bool dropall;
int ch;
dropall = false;
while ((ch = getopt(argc, argv, "al")) != -1) {
switch (ch) {
case 'a':
dropall = true;
break;
case 'l':
tcpdrop_list_commands = true;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (dropall) {
if (argc != 0)
usage();
if (!tcpdropall())
exit(1);
exit(0);
}
if ((argc != 2 && argc != 4) || tcpdrop_list_commands)
usage();
if (argc == 2) {
lport = findport(argv[0]);
fport = findport(argv[1]);
if (lport == NULL || lport[1] == '\0' || fport == NULL ||
fport[1] == '\0')
usage();
*lport++ = '\0';
*fport++ = '\0';
if (!tcpdropbyname(argv[0], lport, argv[1], fport))
exit(1);
} else if (!tcpdropbyname(argv[0], argv[1], argv[2], argv[3]))
exit(1);
exit(0);
}
/* Translate all depends from names into PORT *s */
static void
translateport(PORT ** pp, size_t pplen, PORT * p)
{
size_t i;
for (i = 0; i < p->n_edep; i++)
p->edep[i].p = findport(pp, 0, pplen, p->edep[i].name, p->portdir);
for (i = 0; i < p->n_pdep; i++)
p->pdep[i].p = findport(pp, 0, pplen, p->pdep[i].name, p->portdir);
for (i = 0; i < p->n_fdep; i++)
p->fdep[i].p = findport(pp, 0, pplen, p->fdep[i].name, p->portdir);
for (i = 0; i < p->n_bdep; i++)
p->bdep[i].p = findport(pp, 0, pplen, p->bdep[i].name, p->portdir);
for (i = 0; i < p->n_rdep; i++)
p->rdep[i].p = findport(pp, 0, pplen, p->rdep[i].name, p->portdir);
}
int dbf_fields(int s, char *file, int OF)
{
FILE *f;
dbf_header dbfinfo;
int i,port;
char *p,Gdir[64];
output_format = OF; /* ASCIITEXT or CSOTEXT */
p = j2strdup(file);
if (p == NULL)
{
tprintf("j2strdup() failed: dbf_fields()\n");
return 0;
}
/* open the file */
if ((f = fopen(file, "rb")) == NULL)
{
tprintf("Cannot open file.\n");
return(1);
}
/* get info from the file header */
dbf_getheader(f, &dbfinfo);
/* fill field info structure */
dbf_getfields(f, &dbfinfo);
gnamefix(s,p);
for (i=1; i<=dbfinfo.nflds; i++)
{
if (output_format == CSOTEXT)
{
usprintf(s, "-200:%d:%s:max %d Indexed Lookup Public Default",
i, fields[i].name, fields[i].length);
usputc(s, 10);
usprintf(s, "-200:%d:%s:%s.",
i, fields[i].name, fields[i].name);
usputc(s, 10);
}
else
{
port = findport(s,Gdir,'g');
usprintf(s, "7%s\tq%s~%s\t%s\t%u\n",
fields[i].name, p, fields[i].name, Hostname,port);
}
}
free(p);
fclose(f);
return 0;
}
/* Translate a port directory name into a (PORT *), and free the name */
static PORT *
findport(PORT ** pp, size_t st, size_t en, char * name, char * from)
{
size_t mid;
int r;
if (st == en)
errx(1, "%s: no entry for %s", from, name);
mid = (st + en) / 2;
r = portcompare(pp[mid]->portdir, name);
if (r == 0) {
free(name);
return pp[mid];
} else if (r < 0)
return findport(pp, mid + 1, en, name, from);
else
return findport(pp, st, mid, name, from);
}
/*! This is the sensor process, it takes a simulated input ( a keyboard press )
and passes it to the Light control process via IPC
*/
void
main(int argc, char* argv[]) {
long send_port;
if (ALL_OK != createprocess(1)) {
printat(MAIN_DEBUG_LINE, 0,
"Sensor control: createprocess of Light control failed.\n");
return;
}
// Locating the send port of the light control process
send_port = findport(0, 1);
if (send_port < 0) {
printat(MAIN_DEBUG_LINE, 0,
"Sensor control: findport() failed (Light control) ");
return;
}
printat(0, 0, "Welcome to VRTTCS (very realtime traffic control system)");
printat(MAIN_DEBUG_LINE, 0, "Sensor control: ");
while (1) {
register long scan_code = getscancode();
if (0x1c == scan_code) {
struct message msg;
printat(MAIN_DEBUG_LINE, 0, "Sensor control: Got sensor input");
if (ALL_OK != send(send_port, &msg)) {
printat(MAIN_DEBUG_LINE, 0,
"Sensor control: send() failed");
return;
} else {
/* We let the debug message display some time*/
pause(500);
printat(MAIN_DEBUG_LINE, 0, "Sensor control: ");
}
}
}
}
