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tools/dirtpan/dirtpan.c: new option -b to background/daemonize
- dirtpan.c (usage): added detailed description of the arguments - dirtpan.c (usage, main): new option -b to daemonize after initialization
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@ -533,7 +533,14 @@ static int open_tun(const char *cmd)
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static void usage(const char *name)
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{
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fprintf(stderr,
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"usage: %s [-d [-d]] pan_id src_addr dst_addr [command]\n"
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"usage: %s [-b] [-d [-d]] pan_id src_addr dst_addr [command]\n\n"
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" pan_id PAN (network) identifier\n"
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" src_addr source short address\n"
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" dst_addr destination short address\n"
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" command configuration command to run after creating the TUN interface.\n"
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" The environment variable $ITF is set to the interface name.\n\n"
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" -b background the process after initialization\n"
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" -d ... increase verbosity of debug output\n"
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, name);
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exit(1);
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}
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@ -557,10 +564,14 @@ int main(int argc, char **argv)
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{
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const char *cmd = NULL;
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uint16_t pan, src, dst;
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int foreground = 1;
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int c;
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while ((c = getopt(argc, argv, "d")) != EOF)
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while ((c = getopt(argc, argv, "bd")) != EOF)
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switch (c) {
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case 'b':
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foreground = 0;
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break;
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case 'd':
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debug++;
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break;
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@ -583,6 +594,8 @@ int main(int argc, char **argv)
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net = open_net(pan, src, dst);
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tun = open_tun(cmd);
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if (foreground || !daemonize())
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while (1)
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event();
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