Add --no-decode option.

This disables most decoding of the contents of Mode S messages, aircraft tracking, and some output modes that depend on them.
It's intended for edge receivers that just forward to a central hub rather than processing data locally.
This commit is contained in:
Oliver Jowett 2014-09-22 23:56:49 +01:00
parent a82df07c0c
commit 5683001164
3 changed files with 40 additions and 2 deletions

View file

@ -434,6 +434,7 @@ void showHelp(void) {
"--debug <flags> Debug mode (verbose), see README for details\n"
"--quiet Disable output to stdout. Use for daemon applications\n"
"--ppm <error> Set receiver error in parts per million (default 0)\n"
"--no-decode Don't decode the message contents beyond the minimum necessary\n"
"--help Show this help\n"
"\n"
"Debug mode flags: d = Log frames decoded with errors\n"
@ -681,6 +682,8 @@ int main(int argc, char **argv) {
} else if (!strcmp(argv[j],"--interactive-rtl1090")) {
Modes.interactive = 1;
Modes.interactive_rtl1090 = 1;
} else if (!strcmp(argv[j],"--no-decode")) {
Modes.no_decode = 1;
} else {
fprintf(stderr,
"Unknown or not enough arguments for option '%s'.\n\n",
@ -690,6 +693,29 @@ int main(int argc, char **argv) {
}
}
// Handle --no-decode, which turns off various parts of decoding
// that are not useful for an "edge" dump1090 that purely forwards
// raw data to a central hub elsewhere.
if (Modes.no_decode) {
if (Modes.interactive) {
fprintf(stderr, "--no-decode and --interactive cannot be specified together.\n");
exit(1);
}
if (Modes.net_output_sbs_port != MODES_NET_OUTPUT_SBS_PORT) {
fprintf(stderr, "--no-decode and --net-sbs-port cannot be specified together.\n");
exit(1);
}
if (Modes.net_http_port != MODES_NET_HTTP_PORT) {
fprintf(stderr, "--no-decode and --net-http-port cannot be specified together.\n");
exit(1);
}
Modes.net_output_sbs_port = 0;
Modes.net_http_port = 0;
}
#ifdef _WIN32
// Try to comply with the Copyright license conditions for binary distribution
if (!Modes.quiet) {showCopyright();}