int main(int argc, char *argv[])
{
int option, rc;
struct sockaddr_in localAddr, servAddr;
struct hostent *h;
int n;
for(n=0;n<CLIMB;n++) climb[n]=0.0;
switch (gpsd_units())
{
case imperial:
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_MPH;
speedunits = "mph";
break;
case nautical:
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_KNOTS;
speedunits = "knots";
break;
case metric:
altfactor = 1;
altunits = "m";
speedfactor = MPS_TO_KPH;
speedunits = "kph";
break;
default:
/* leave the default alone */
break;
}
/* Process the options. Print help if requested. */
while ((option = getopt(argc, argv, "Vhl:su:")) != -1) {
switch (option) {
case 'V':
(void)fprintf(stderr, "lcdgs revision " REVISION "\n");
exit(EXIT_SUCCESS);
case 'h':
default:
usage(argv[0]);
break;
case 'l':
switch ( optarg[0] ) {
case 'd':
deg_type = deg_dd;
continue;
case 'm':
deg_type = deg_ddmm;
continue;
case 's':
deg_type = deg_ddmmss;
continue;
default:
(void)fprintf(stderr, "Unknown -l argument: %s\n", optarg);
}
break;
case 's':
sleep(10);
continue;
case 'u':
switch ( optarg[0] ) {
case 'i':
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_MPH;
speedunits = "mph";
continue;
case 'n':
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_KNOTS;
speedunits = "knots";
continue;
case 'm':
altfactor = 1;
altunits = "m";
speedfactor = MPS_TO_KPH;
speedunits = "kph";
continue;
default:
(void)fprintf(stderr, "Unknown -u argument: %s\n", optarg);
}
}
}
/* Grok the server, port, and device. */
if (optind < argc) {
gpsd_source_spec(argv[optind], &source);
} else
gpsd_source_spec(NULL, &source);
/* Daemonize... */
if (daemon(0, 0) != 0)
(void)fprintf(stderr,
"lcdgps: demonization failed: %s\n",
strerror(errno));
/* Open the stream to gpsd. */
if (gps_open(source.server, source.port, &gpsdata) != 0) {
(void)fprintf( stderr,
"lcdgps: no gpsd running or network error: %d, %s\n",
errno, gps_errstr(errno));
exit(EXIT_FAILURE);
}
/* Connect to LCDd */
h = gethostbyname(LCDDHOST);
if (h==NULL) {
printf("%s: unknown host '%s'\n",argv[0],LCDDHOST);
exit(EXIT_FAILURE);
}
servAddr.sin_family = h->h_addrtype;
memcpy((char *) &servAddr.sin_addr.s_addr, h->h_addr_list[0], h->h_length);
servAddr.sin_port = htons(LCDDPORT);
/* create socket */
sd = socket(AF_INET, SOCK_STREAM, 0);
if (BAD_SOCKET(sd)) {
perror("cannot open socket ");
exit(EXIT_FAILURE);
}
/* bind any port number */
localAddr.sin_family = AF_INET;
localAddr.sin_addr.s_addr = htonl(INADDR_ANY);
localAddr.sin_port = htons(0);
/* coverity[uninit_use_in_call] */
rc = bind(sd, (struct sockaddr *) &localAddr, sizeof(localAddr));
if (rc == -1) {
printf("%s: cannot bind port TCP %u\n",argv[0],LCDDPORT);
perror("error ");
exit(EXIT_FAILURE);
}
/* connect to server */
/* coverity[uninit_use_in_call] */
rc = connect(sd, (struct sockaddr *) &servAddr, sizeof(servAddr));
if (rc == -1) {
perror("cannot connect ");
exit(EXIT_FAILURE);
}
/* Do the initial field label setup. */
reset_lcd();
/* Here's where updates go. */
unsigned int flags = WATCH_ENABLE;
if (source.device != NULL)
flags |= WATCH_DEVICE;
(void)gps_stream(&gpsdata, flags, source.device);
for (;;) { /* heart of the client */
if (!gps_waiting(&gpsdata, 50000000)) {
fprintf( stderr, "lcdgps: error while waiting\n");
exit(EXIT_FAILURE);
} else {
(void)gps_read(&gpsdata);
update_lcd(&gpsdata);
}
}
}
int main(int argc, char *argv[])
{
int option;
unsigned int flags = WATCH_ENABLE;
/*@ -observertrans @*/
switch (gpsd_units()) {
case imperial:
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_MPH;
speedunits = "mph";
break;
case nautical:
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_KNOTS;
speedunits = "knots";
break;
case metric:
altfactor = 1;
altunits = "m";
speedfactor = MPS_TO_KPH;
speedunits = "kph";
break;
default:
/* leave the default alone */
break;
}
/*@ +observertrans @*/
/* Process the options. Print help if requested. */
while ((option = getopt(argc, argv, "hVl:smu:D:")) != -1) {
switch (option) {
#ifdef CLIENTDEBUG_ENABLE
case 'D':
debug = atoi(optarg);
gps_enable_debug(debug, stderr);
break;
#endif /* CLIENTDEBUG_ENABLE */
case 'm':
magnetic_flag = true;
break;
case 's':
silent_flag = true;
break;
case 'u':
/*@ -observertrans @*/
switch (optarg[0]) {
case 'i':
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_MPH;
speedunits = "mph";
continue;
case 'n':
altfactor = METERS_TO_FEET;
altunits = "ft";
speedfactor = MPS_TO_KNOTS;
speedunits = "knots";
continue;
case 'm':
altfactor = 1;
altunits = "m";
speedfactor = MPS_TO_KPH;
speedunits = "kph";
continue;
default:
(void)fprintf(stderr, "Unknown -u argument: %s\n", optarg);
}
break;
/*@ +observertrans @*/
case 'V':
(void)fprintf(stderr, "cgps: %s (revision %s)\n",
VERSION, REVISION);
exit(EXIT_SUCCESS);
case 'l':
switch (optarg[0]) {
case 'd':
deg_type = deg_dd;
continue;
case 'm':
deg_type = deg_ddmm;
continue;
case 's':
deg_type = deg_ddmmss;
continue;
default:
(void)fprintf(stderr, "Unknown -l argument: %s\n", optarg);
/*@ -casebreak @*/
}
break;
case 'h':
default:
usage(argv[0]);
break;
}
}
/* Grok the server, port, and device. */
if (optind < argc) {
gpsd_source_spec(argv[optind], &source);
} else
gpsd_source_spec(NULL, &source);
/* Open the stream to gpsd. */
if (gps_open(source.server, source.port, &gpsdata) != 0) {
(void)fprintf(stderr,
"cgps: no gpsd running or network error: %d, %s\n",
errno, gps_errstr(errno));
exit(EXIT_FAILURE);
}
/* note: we're assuming BSD-style reliable signals here */
(void)signal(SIGINT, die);
(void)signal(SIGHUP, die);
(void)signal(SIGWINCH, resize);
windowsetup();
status_timer = time(NULL);
if (source.device != NULL)
flags |= WATCH_DEVICE;
(void)gps_stream(&gpsdata, flags, source.device);
/* heart of the client */
for (;;) {
int c;
if (!gps_waiting(&gpsdata, 5000000)) {
die(GPS_TIMEOUT);
} else {
errno = 0;
if (gps_read(&gpsdata) == -1) {
fprintf(stderr, "cgps: socket error 4\n");
die(errno == 0 ? GPS_GONE : GPS_ERROR);
} else {
/* Here's where updates go now that things are established. */
#ifdef TRUENORTH
if (compass_flag)
update_compass_panel(&gpsdata);
else
#endif /* TRUENORTH */
update_gps_panel(&gpsdata);
}
}
/* Check for user input. */
c = wgetch(datawin);
switch (c) {
/* Quit */
case 'q':
die(CGPS_QUIT);
break;
/* Toggle spewage of raw gpsd data. */
case 's':
silent_flag = !silent_flag;
break;
/* Clear the spewage area. */
case 'c':
(void)werase(messages);
break;
default:
break;
}
}
}
