fprintf(stderr, " -B <can> (bridge mode - like '-b' with disabled loopback)\n");
fprintf(stderr, " -l (log CAN-frames into file. Sets '-s %d' by default)\n", SILENT_ON);
fprintf(stderr, " -L (use log file format on stdout)\n");
+ fprintf(stderr, " -n <count> (terminate after receiption of <count> CAN frames)\n");
fprintf(stderr, "\n");
fprintf(stderr, "Up to %d CAN interfaces with optional filter sets can be specified\n", MAXSOCK);
fprintf(stderr, "on the commandline in the form: <ifname>[,filter]*\n");
unsigned char view = 0;
unsigned char log = 0;
unsigned char logfrmt = 0;
+ int count = 0;
int opt, ret;
int currmax, numfilter;
char *ptr, *nptr;
last_tv.tv_sec = 0;
last_tv.tv_usec = 0;
- while ((opt = getopt(argc, argv, "t:ciaSs:b:B:lLh?")) != -1) {
+ while ((opt = getopt(argc, argv, "t:ciaSs:b:B:lLn:h?")) != -1) {
switch (opt) {
case 't':
timestamp = optarg[0];
logfrmt = 1;
break;
+ case 'n':
+ count = atoi(optarg);
+ if (count < 1) {
+ print_usage(basename(argv[0]));
+ exit(1);
+ }
+ break;
+
default:
print_usage(basename(argv[0]));
exit(1);
return 1;
}
+ if (count && (--count == 0))
+ running = 0;
+
if (bridge) {
nbytes = write(bridge, &frame, sizeof(struct can_frame));
if (nbytes < 0) {