int attribute_align_arg mpg123_open_feed(mpg123_handle *mh)
{
if(mh == NULL) return MPG123_ERR;
mpg123_close(mh);
return open_feed(mh);
}
int
main(int ac, char *av[])
{
int logfd;
int width;
int ready;
unsigned long idle;
fd_set readfds;
fd_set exceptfds;
struct timeval timeo;
const char* const progname = basename(av[0]);
unsigned long maxProductSize = DEFAULT_MAX_PRODUCT_SIZE;
/*
* Setup default logging before anything else.
*/
(void)log_init(progname);
feedtype = whatami(av[0]);
{
extern int optind;
extern int opterr;
extern char *optarg;
int ch;
opterr = 0; /* stops getopt() from printing to stderr */
usePil = 1;
useNex = 1;
while ((ch = getopt(ac, av, ":vxcni5Nl:b:p:P:T:q:r:f:s:")) != EOF)
switch (ch) {
case 'v':
if (!log_is_enabled_info)
(void)log_set_level(LOG_LEVEL_INFO);
break;
case 'x':
(void)log_set_level(LOG_LEVEL_DEBUG);
break;
case 'c':
chkflag = CHK_CHECK;
break;
case 'n':
chkflag = CHK_DONT;
break;
case 'i':
usePil = 0;
break;
case 'N':
useNex = 0;
break;
case '5':
skipLeadingCtlString = 0;
break;
case 'l': {
(void)log_set_destination(optarg);
break;
}
case 'b':
baud = optarg;
break;
case 'p':
parity = optarg;
break;
#if NET
case 'P':
*((int *)&server_port) = atoi(optarg); /* cast away const */
if(server_port <= 0 || server_port > 65536)
{
log_error("Invalid server port: \"%s\"", optarg);
usage(progname);
}
break;
case 'T':
reset_secs = atoi(optarg);
if(reset_secs < 0)
{
log_add("Invalid timeout: \"%s\"", optarg);
usage(progname);
}
break;
#endif /* NET */
case 's': {
unsigned long size;
int nbytes;
if (sscanf(optarg, "%lu %n", &size, &nbytes) != 1 ||
optarg[nbytes] != 0 || 1 > size) {
log_error("Invalid maximum data-product size: \"%s\"",
optarg);
usage(progname);
}
maxProductSize = size;
break;
}
case 'q':
setQueuePath(optarg);
break;
case 'r':
rawfname = optarg;
break;
case 'f':
{
feedtypet type;
type = atofeedtypet(optarg);
if(type != NONE)
{
feedtype = type;
if(!parity && !baud)
setFeedDefaults(type);
}
}
break;
case '?': {
log_add("Unknown option: \"%c\"", optopt);
usage(progname);
break;
}
case ':':
/*FALLTHROUGH*/
default:
log_add("Missing argument for option: \"%c\"", optopt);
usage(progname);
break;
}
/* last arg, feedfname, is required */
if(ac - optind != 1) {
log_add("Wrong number of operands: %d", ac - optind);
usage(progname);
}
(void)strncat(feedfname, av[optind], sizeof(feedfname)-6);
}
pqpath = getQueuePath();
log_notice("Starting Up");
log_debug(PACKAGE_VERSION);
/*
* register exit handler
*/
if(atexit(cleanup) != 0)
{
log_syserr("atexit");
return 1;
}
/*
* set up signal handlers
*/
set_sigactions();
/*
* open the product queue, unless we were invoked as "feedtest"
*/
if(strcmp(progname, "feedtest") != 0)
{
if((ready = pq_open(pqpath, PQ_DEFAULT, &pq)))
{
if (PQ_CORRUPT == ready) {
log_error("The product-queue \"%s\" is inconsistent\n",
pqpath);
}
else {
log_error("pq_open: \"%s\" failed: %s",
pqpath, strerror(ready));
}
return 1;
}
}
/*
* who am i, anyway
*/
(void) strncpy(myname, ghostname(), sizeof(myname));
myname[sizeof(myname)-1] = 0;
/*
* open the feed
*/
if(!(*feedfname == '-' && feedfname[1] == 0) && logfd != 0)
(void) close(0);
if(open_feed(feedfname, &ifd, maxProductSize) != ENOERR)
return 1;
if(usePil == 1)
{
if ((feedtype & DDS)||(feedtype & PPS)||(feedtype & IDS)||
(feedtype & HRS))
{
usePil = 1;
log_info("Creating AFOS-like pil tags\0");
}
else
{
usePil = 0;
}
}
if (feedtype & HDS)
{
if(chkflag == CHK_CHECK
|| (isatty(ifd) && chkflag != CHK_DONT))
setTheScanner(scan_wmo_binary_crc);
else
setTheScanner(scan_wmo_binary);
}
else if (feedtype == ( DDPLUS | IDS ) )
{
/* this is the combined NOAAPORT fos-alike. We know these have the
4 byte start and end sequences. Using the binary scanner
ensures that we don't stop on an arbitray embedded CTRL-C */
log_notice("Note: Using the wmo_binary scanner for SDI ingest\0");
setTheScanner (scan_wmo_binary);
}
else if (feedtype & (NMC2 | NMC3))
{
setTheScanner(scan_wmo_binary);
}
else if (feedtype == AFOS)
{
prod_stats = afos_stats;
setTheScanner(scan_afos);
}
else if (feedtype == FAA604)
{
prod_stats = faa604_stats;
if(chkflag == CHK_CHECK
|| (isatty(ifd)
&& chkflag != CHK_DONT
&& parity != NULL
&& *parity != 'n')
)
{
setTheScanner(scan_faa604_parity);
}
else
{
setTheScanner(scan_faa604);
}
}
else
{
if(chkflag == CHK_CHECK
|| (isatty(ifd)
&& chkflag != CHK_DONT
&& parity != NULL
&& *parity != 'n')
)
{
setTheScanner(scan_wmo_parity);
}
else
{
setTheScanner(scan_wmo);
}
}
/*
* Allocate an MD5 context
*/
md5ctxp = new_MD5_CTX();
if(md5ctxp == NULL)
{
log_syserr("new_md5_CTX failed");
return 1;
}
/*
* Main Loop
*/
idle = 0;
while(exitIfDone(0))
{
#if NET
if (INPUT_IS_SOCKET)
{
if (port_error)
{
/*
* lost connection => close
*/
if (ifd >= 0)
{
if(feed_close)
(*feed_close)(ifd);
ifd = -1;
}
port_error = 0;
sleep (2); /* allow things to settle down */
continue;
}
}
#endif
if(stats_req)
{
log_notice("Statistics Request");
if(pq != NULL)
{
off_t highwater = 0;
size_t maxregions = 0;
(void) pq_highwater(pq, &highwater,
&maxregions);
log_notice(" Queue usage (bytes):%8ld",
(long)highwater);
log_notice(" (nregions):%8ld",
(long)maxregions);
}
log_notice(" Idle: %8lu seconds", idle);
#if NET
if (INPUT_IS_SOCKET)
{
log_notice(" Timeout: %8d", reset_secs);
}
#endif
log_notice("%21s: %s", "Status",
(ifd < 0) ?
"Not connected or input not open." :
"Connected.");
(*prod_stats)();
(*feed_stats)();
stats_req = 0;
}
#if NET
if (INPUT_IS_SOCKET)
{
if (ifd < 0)
{
/* Attempt reconnect */
static int retries = 0;
if (retries > MAX_RETRIES)
{
log_error ("maximum retry attempts %d, aborting",
MAX_RETRIES);
done = !0;
continue;
}
/* Try to reopen on tcp read errors */
log_notice("Trying to re-open connection on port %d",
server_port);
++retries;
if(open_feed(feedfname, &ifd, maxProductSize) != ENOERR)
{
log_notice ("sleeping %d seconds before retry %d",
retries * RETRY_DELAY, retries+1);
sleep (retries * RETRY_DELAY);
continue;
}
retries = 0;
}
}
#endif /* NET */
timeo.tv_sec = 3;
timeo.tv_usec = 0;
FD_ZERO(&readfds);
FD_ZERO(&exceptfds);
FD_SET(ifd, &readfds);
FD_SET(ifd, &exceptfds);
width = ifd + 1;
ready = select(width, &readfds, 0, &exceptfds, &timeo);
if(ready < 0 )
{
/* handle EINTR as a special case */
if(errno == EINTR)
{
errno = 0;
continue;
}
log_syserr("select");
return 1;
}
/* else */
#if 0
if (FD_ISSET(ifd, &exceptfds))
{
log_error("Exception on input fd %d, select returned %d",
ifd, ready);
}
#endif
if(ready > 0)
{
/* do some work */
if(FD_ISSET(ifd, &readfds) ||
FD_ISSET(ifd, &exceptfds))
{
idle = 0;
if(feedTheXbuf(ifd) != ENOERR)
{
#if NET
if (INPUT_IS_SOCKET)
{
port_error = !0;
continue;
} /* else */
#endif /* NET */
done = !0;
}
FD_CLR(ifd, &readfds);
FD_CLR(ifd, &exceptfds);
}
else
{
log_error("select returned %d but ifd not set",
ready);
idle += timeo.tv_sec;
}
}
else /* ready == 0 */
{
idle += timeo.tv_sec;
#if NET
if (INPUT_IS_SOCKET)
{
/* VOODOO
* This is necessary to stimulate
* 'Connection reset by peer'
* when the Portmaster goes down and comes
* back up.
*/
static char zed[1] = {0};
if(write(ifd, zed, sizeof(zed)) < 0)
{
port_error = !0;
continue;
}
}
#endif
}
#if NET
if (INPUT_IS_SOCKET)
{
if ((reset_secs > 0) && (idle >= reset_secs))
{
log_notice("Idle for %ld seconds, reconnecting",
idle);
/* force reconnect */
port_error = !0;
idle = 0;
continue;
}
}
#endif /* NET */
(void) scanTheXbuf();
}
return 0;
}
