int main(int argc, char *argv[])
{
minit(argc,argv);
pingpong(0);
mloop();
pingpong(2);
mexit();
return(0);
}
/*---------------------------------------------------------------------------*
* program entry
*---------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
int i;
msg_vr_req_t mvr;
#ifdef I4B_EXTERNAL_MONITOR
int sockfd = -1; /* local monitor socket */
#ifndef I4B_NOTCPIP_MONITOR
int remotesockfd = -1; /* tcp/ip monitor socket */
#endif
#endif
setlocale (LC_ALL, "");
while ((i = getopt(argc, argv, "mc:d:fFlL:Pr:s:t:u:")) != -1)
{
switch (i)
{
#ifdef I4B_EXTERNAL_MONITOR
case 'm':
inhibit_monitor = 1;
break;
#endif
case 'c':
configfile = optarg;
break;
#ifdef DEBUG
case 'd':
if(*optarg == 'n')
debug_noscreen = 1;
else if((sscanf(optarg, "%i", &debug_flags)) == 1)
do_debug = 1;
else
usage();
break;
#endif
case 'f':
do_fullscreen = 1;
do_fork = 0;
#ifndef USE_CURSES
fprintf(stderr, "Sorry, no fullscreen mode available - daemon compiled without USE_CURSES\n");
exit(1);
#endif
break;
case 'F':
do_fork = 0;
break;
case 'l':
uselogfile = 1;
break;
case 'L':
strlcpy(logfile, optarg, sizeof(logfile));
break;
case 'P':
do_print = 1;
break;
case 'r':
rdev = optarg;
do_rdev = 1;
break;
case 's':
if(isdigit(*optarg))
{
int facility;
logfacility = strtoul(optarg, NULL, 10);
facility = logfacility << 3;
if((facility < LOG_KERN) ||
(facility > LOG_FTP && facility < LOG_LOCAL0) ||
(facility > LOG_LOCAL7))
{
fprintf(stderr, "Error, option -s has invalid logging facility %d", logfacility);
usage();
}
logfacility = facility;
}
else
{
fprintf(stderr, "Error: option -s requires a numeric argument!\n");
usage();
}
break;
case 't':
ttype = optarg;
do_ttytype = 1;
break;
case 'u':
if(isdigit(*optarg))
{
unit_length = strtoul(optarg, NULL, 10);
if(unit_length < ULSRC_CMDLMIN)
unit_length = ULSRC_CMDLMIN;
else if(unit_length > ULSRC_CMDLMAX)
unit_length = ULSRC_CMDLMAX;
got_unitlen = 1;
}
else
{
fprintf(stderr, "Error: option -T requires a numeric argument!\n");
usage();
}
break;
case '?':
default:
usage();
break;
}
}
#ifdef DEBUG
if(!do_debug)
debug_noscreen = 0;
#endif
if(!do_print)
{
umask(UMASK); /* set our umask ... */
init_log(); /* initialize the logging subsystem */
}
check_pid(); /* check if we are already running */
if(!do_print)
{
if(do_fork || (do_fullscreen && do_rdev)) /* daemon mode ? */
daemonize();
write_pid(); /* write our pid to file */
/* set signal handler(s) */
signal(SIGCHLD, sigchild_handler); /* process handling */
signal(SIGHUP, rereadconfig); /* reread configuration */
signal(SIGUSR1, reopenfiles); /* reopen acct/log files*/
signal(SIGPIPE, SIG_IGN); /* handled manually */
signal(SIGINT, do_exit); /* clean up on SIGINT */
signal(SIGTERM, do_exit); /* clean up on SIGTERM */
signal(SIGQUIT, do_exit); /* clean up on SIGQUIT */
}
/* open isdn device */
if((isdnfd = open(I4BDEVICE, O_RDWR)) < 0)
{
dolog(LL_ERR, "main: cannot open %s: %s", I4BDEVICE, strerror(errno));
exit(1);
}
/* check kernel and userland have same version/release numbers */
if((ioctl(isdnfd, I4B_VR_REQ, &mvr)) < 0)
{
dolog(LL_ERR, "main: ioctl I4B_VR_REQ failed: %s", strerror(errno));
do_exit(1);
}
if(mvr.version != VERSION)
{
dolog(LL_ERR, "main: version mismatch, kernel %d, daemon %d", mvr.version, VERSION);
do_exit(1);
}
if(mvr.release != REL)
{
dolog(LL_ERR, "main: release mismatch, kernel %d, daemon %d", mvr.release, REL);
do_exit(1);
}
if(mvr.step != STEP)
{
dolog(LL_ERR, "main: step mismatch, kernel %d, daemon %d", mvr.step, STEP);
do_exit(1);
}
/* init controller state array */
init_controller();
/* read runtime configuration file and configure ourselves */
configure(configfile, 0);
if(config_error_flag)
{
dolog(LL_ERR, "there were %d error(s) in the configuration file, terminating!", config_error_flag);
exit(1);
}
/* set controller ISDN protocol */
init_controller_protocol();
/* init active controllers, if any */
signal(SIGCHLD, SIG_IGN); /*XXX*/
init_active_controller();
signal(SIGCHLD, sigchild_handler); /*XXX*/
/* handle the rates stuff */
if((i = readrates(ratesfile)) == ERROR)
{
if(rate_error != NULL)
dolog(LL_ERR, "%s", rate_error);
exit(1);
}
if(i == GOOD)
{
got_rate = 1; /* flag, ratesfile read and ok */
DBGL(DL_RCCF, (dolog(LL_DBG, "ratesfile %s read successfully", ratesfile)));
}
else
{
if(rate_error != NULL)
dolog(LL_WRN, "%s", rate_error);
}
/* if writing accounting info, open file, set unbuffered */
if(useacctfile)
{
if((acctfp = fopen(acctfile, "a")) == NULL)
{
dolog(LL_ERR, "ERROR, can't open acctfile %s for writing, terminating!", acctfile);
exit(1);
}
setvbuf(acctfp, NULL, _IONBF, 0);
}
/* initialize alias processing */
if(aliasing)
init_alias(aliasfile);
/* init holidays */
init_holidays(holidayfile);
/* init remote monitoring */
#ifdef I4B_EXTERNAL_MONITOR
if(do_monitor)
{
monitor_init();
sockfd = monitor_create_local_socket();
#ifndef I4B_NOTCPIP_MONITOR
remotesockfd = monitor_create_remote_socket(monitorport);
#endif
}
#endif
/* in case fullscreendisplay, initialize */
#ifdef USE_CURSES
if(do_fullscreen)
{
init_screen();
}
#endif
/* init realtime priority */
#ifdef USE_RTPRIO
if(rt_prio != RTPRIO_NOTUSED)
{
struct rtprio rtp;
rtp.type = RTP_PRIO_REALTIME;
rtp.prio = rt_prio;
if((rtprio(RTP_SET, getpid(), &rtp)) == -1)
{
dolog(LL_ERR, "rtprio failed: %s", strerror(errno));
do_exit(1);
}
}
#endif
starttime = time(NULL); /* get starttime */
srandom(580403); /* init random number gen */
mloop( /* enter loop of no return .. */
#ifdef I4B_EXTERNAL_MONITOR
sockfd
#ifndef I4B_NOTCPIP_MONITOR
, remotesockfd
#endif
#endif
);
do_exit(0);
return(0);
}
