static void *inthandler(void *_arg)
{
sigset_t sigs;
int sig;
int n;
fprintf(stderr, "inthandler: enter\n");
/* unblock interrupt signal only here */
sigemptyset(&sigs);
sigaddset(&sigs, SIGINT);
pth_sigmask(SIG_UNBLOCK, &sigs, NULL);
/* but the user has to hit CTRL-C three times */
for (n = 0; n < 3; n++) {
pth_sigwait(&sigs, &sig);
fprintf(stderr, "inthandler: SIGINT received (#%d)\n", n);
}
fprintf(stderr, "inthandler: cancelling child1 and child2\n");
pth_cancel(child1);
pth_cancel(child2);
fprintf(stderr, "inthandler: leave\n");
return NULL;
}
int
main (int ac, char *ag[])
{
int index;
pth_init ();
argp_parse (&argp, ac, ag, ARGP_IN_ORDER, &index, &arg);
// if you ever want this to be fatal, doing it here would be too late
if (getuid () == 0)
ERRORPRINTF (arg.tracer(), E_WARNING | 20, 0, "EIBD should not run as root");
signal (SIGPIPE, SIG_IGN);
if (arg.daemon)
{
int fd = open (arg.daemon, O_WRONLY | O_APPEND | O_CREAT, FILE_MODE);
if (fd == -1)
die ("Can not open file %s", arg.daemon);
int i = fork ();
if (i < 0)
die ("fork failed");
if (i > 0)
exit (0);
close (1);
close (2);
close (0);
dup2 (fd, 1);
dup2 (fd, 2);
close (fd);
setsid ();
}
FILE *pidf;
if (arg.pidfile)
if ((pidf = fopen (arg.pidfile, "w")) != NULL)
{
fprintf (pidf, "%d", getpid ());
fclose (pidf);
}
signal (SIGINT, SIG_IGN);
signal (SIGTERM, SIG_IGN);
// main loop
#ifdef HAVE_SYSTEMD
sd_notify(0,"READY=1");
#endif
int sig;
if (! arg.stop_now)
do {
sigset_t t1;
sigemptyset (&t1);
sigaddset (&t1, SIGINT);
sigaddset (&t1, SIGHUP);
sigaddset (&t1, SIGTERM);
pth_sigwait (&t1, &sig);
if (sig == SIGHUP && arg.daemon)
{
int fd =
open (arg.daemon, O_WRONLY | O_APPEND | O_CREAT, FILE_MODE);
if (fd == -1)
{
ERRORPRINTF (arg.tracer(), E_ERROR | 21, 0, "can't open log file %s",
arg.daemon);
continue;
}
close (1);
close (2);
dup2 (fd, 1);
dup2 (fd, 2);
close (fd);
}
} while (sig == SIGHUP);
#ifdef HAVE_SYSTEMD
sd_notify(0,"STOPPING=1");
#endif
signal (SIGINT, SIG_DFL);
signal (SIGTERM, SIG_DFL);
#ifdef HAVE_GROUPCACHE
DeleteGroupCache ();
#endif
arg.free_l3();
if (arg.pidfile)
unlink (arg.pidfile);
pth_yield (0);
pth_yield (0);
pth_yield (0);
pth_yield (0);
pth_exit (0);
return 0;
}
int
main (int ac, char *ag[])
{
int index;
Queue < Server * >server;
Server *s;
Layer2Interface *l2;
Layer3 *l3;
#ifdef HAVE_EIBNETIPSERVER
EIBnetServer *serv = 0;
#endif
memset (&arg, 0, sizeof (arg));
arg.addr = 0x0001;
arg.errorlevel = LEVEL_WARNING;
argp_parse (&argp, ac, ag, 0, &index, &arg);
if (index > ac - 1)
die ("url expected");
if (index < ac - 1)
die ("unexpected parameter");
if (arg.port == 0 && arg.name == 0 && arg.serverip == 0)
die ("No listen-address given");
signal (SIGPIPE, SIG_IGN);
pth_init ();
Trace t;
t.SetTraceLevel (arg.tracelevel);
t.SetErrorLevel (arg.errorlevel);
/*
if (getuid () == 0)
ERRORPRINTF (&t, 0x37000001, 0, "EIBD should not run as root");
*/
if(arg.eibnetname)
{
if(arg.eibnetname[0] == '=')
arg.eibnetname++;
if(strlen(arg.eibnetname) >= 30)
die("EIBnetServer/IP name can't be longer then 30 char");
}
if (arg.daemon)
{
int fd = open (arg.daemon, O_WRONLY | O_APPEND | O_CREAT, FILE_MODE);
if (fd == -1)
die ("Can not open file %s", arg.daemon);
int i = fork ();
if (i < 0)
die ("fork failed");
if (i > 0)
exit (0);
close (1);
close (2);
close (0);
dup2 (fd, 1);
dup2 (fd, 2);
close (fd);
setsid ();
}
FILE *pidf;
if (arg.pidfile)
if ((pidf = fopen (arg.pidfile, "w")) != NULL)
{
fprintf (pidf, "%d", getpid ());
fclose (pidf);
}
l2 = Create (ag[index], arg.backendflags, &t);
if (!l2 || !l2->init ())
die ("initialisation of the backend failed");
l3 = new Layer3 (l2, &t);
if (arg.port)
{
s = new InetServer (l3, &t, arg.port);
if (!s->init ())
die ("initialisation of the knxd inet protocol failed");
server.put (s);
}
if (arg.name)
{
s = new LocalServer (l3, &t, arg.name);
if (!s->init ())
die ("initialisation of the knxd unix protocol failed");
server.put (s);
}
#ifdef HAVE_EIBNETIPSERVER
serv = startServer (l3, &t, arg.eibnetname);
#endif
#ifdef HAVE_GROUPCACHE
if (!CreateGroupCache (l3, &t, arg.groupcache))
die ("initialisation of the group cache failed");
#endif
signal (SIGINT, SIG_IGN);
signal (SIGTERM, SIG_IGN);
int sig;
do
{
sigset_t t1;
sigemptyset (&t1);
sigaddset (&t1, SIGINT);
sigaddset (&t1, SIGHUP);
sigaddset (&t1, SIGTERM);
pth_sigwait (&t1, &sig);
if (sig == SIGHUP && arg.daemon)
{
int fd =
open (arg.daemon, O_WRONLY | O_APPEND | O_CREAT, FILE_MODE);
if (fd == -1)
{
ERRORPRINTF (&t, 0x27000002, 0, "can't open log file %s",
arg.daemon);
continue;
}
close (1);
close (2);
dup2 (fd, 1);
dup2 (fd, 2);
close (fd);
}
}
while (sig == SIGHUP);
signal (SIGINT, SIG_DFL);
signal (SIGTERM, SIG_DFL);
while (!server.isempty ())
delete server.get ();
#ifdef HAVE_EIBNETIPSERVER
if (serv)
delete serv;
#endif
#ifdef HAVE_GROUPCACHE
DeleteGroupCache ();
#endif
delete l3;
if (Cleanup)
Cleanup ();
if (arg.pidfile)
unlink (arg.pidfile);
pth_exit (0);
return 0;
}