static int show_jobs()

in berkeley/lpq.c [23:274]

• 200 lines of code
• 40 McCabe index (conditional complexity)

static int	show_jobs(const char *, http_t *, const char *,
		          const char *, const int, const int);
static void	show_printer(const char *, http_t *, const char *);
static void	usage(void) _CUPS_NORETURN;


/*
 * 'main()' - Parse options and commands.
 */

int
main(int  argc,				/* I - Number of command-line arguments */
     char *argv[])			/* I - Command-line arguments */
{
  int		i;			/* Looping var */
  http_t	*http;			/* Connection to server */
  const char	*opt,			/* Option pointer */
		*dest,			/* Desired printer */
		*user,			/* Desired user */
		*val;			/* Environment variable name */
  char		*instance;		/* Printer instance */
  int		id,			/* Desired job ID */
		all,			/* All printers */
		interval,		/* Reporting interval */
		longstatus;		/* Show file details */
  cups_dest_t	*named_dest;		/* Named destination */


  _cupsSetLocale(argv);

 /*
  * Check for command-line options...
  */

  http       = NULL;
  dest       = NULL;
  user       = NULL;
  id         = 0;
  interval   = 0;
  longstatus = 0;
  all        = 0;

  for (i = 1; i < argc; i ++)
  {
    if (argv[i][0] == '+')
    {
      interval = atoi(argv[i] + 1);
    }
    else if (!strcmp(argv[i], "--help"))
      usage();
    else if (argv[i][0] == '-')
    {
      for (opt = argv[i] + 1; *opt; opt ++)
      {
	switch (*opt)
	{
	  case 'E' : /* Encrypt */
#ifdef HAVE_SSL
	      cupsSetEncryption(HTTP_ENCRYPT_REQUIRED);

	      if (http)
		httpEncryption(http, HTTP_ENCRYPT_REQUIRED);
#else
	      _cupsLangPrintf(stderr, _("%s: Sorry, no encryption support."), argv[0]);
#endif /* HAVE_SSL */
	      break;

	  case 'U' : /* Username */
	      if (opt[1] != '\0')
	      {
		cupsSetUser(opt + 1);
		opt += strlen(opt) - 1;
	      }
	      else
	      {
		i ++;
		if (i >= argc)
		{
		  _cupsLangPrintf(stderr, _("%s: Error - expected username after \"-U\" option."), argv[0]);
		  return (1);
		}

		cupsSetUser(argv[i]);
	      }
	      break;

	  case 'P' : /* Printer */
	      if (opt[1] != '\0')
	      {
		dest = opt + 1;
		opt += strlen(opt) - 1;
	      }
	      else
	      {
		i ++;

		if (i >= argc)
		{
		  httpClose(http);

		  usage();
		}

		dest = argv[i];
	      }

	      if ((instance = strchr(dest, '/')) != NULL)
		*instance++ = '\0';

	      http = connect_server(argv[0], http);

	      if ((named_dest = cupsGetNamedDest(http, dest, instance)) == NULL)
	      {
		if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
		    cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED)
		  _cupsLangPrintf(stderr, _("%s: Error - add '/version=1.1' to server name."), argv[0]);
		else if (instance)
		  _cupsLangPrintf(stderr, _("%s: Error - unknown destination \"%s/%s\"."), argv[0], dest, instance);
		else
		  _cupsLangPrintf(stderr, _("%s: Unknown destination \"%s\"."), argv[0], dest);

		return (1);
	      }

	      cupsFreeDests(1, named_dest);
	      break;

	  case 'a' : /* All printers */
	      all = 1;
	      break;

	  case 'h' : /* Connect to host */
	      if (http)
	      {
		httpClose(http);
		http = NULL;
	      }

	      if (opt[1] != '\0')
	      {
		cupsSetServer(opt + 1);
		opt += strlen(opt) - 1;
	      }
	      else
	      {
		i ++;

		if (i >= argc)
		{
		  _cupsLangPrintf(stderr, _("%s: Error - expected hostname after \"-h\" option."), argv[0]);
		  return (1);
		}
		else
		  cupsSetServer(argv[i]);
	      }
	      break;

	  case 'l' : /* Long status */
	      longstatus = 1;
	      break;

	  default :
	      httpClose(http);

	      usage();
	}
      }
    }
    else if (isdigit(argv[i][0] & 255))
    {
      id = atoi(argv[i]);
    }
    else
    {
      user = argv[i];
    }
  }

  http = connect_server(argv[0], http);

  if (dest == NULL && !all)
  {
    if ((named_dest = cupsGetNamedDest(http, NULL, NULL)) == NULL)
    {
      if (cupsLastError() == IPP_STATUS_ERROR_BAD_REQUEST ||
          cupsLastError() == IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED)
      {
	_cupsLangPrintf(stderr,
	                _("%s: Error - add '/version=1.1' to server name."),
			argv[0]);
        return (1);
      }

      val = NULL;

      if ((dest = getenv("LPDEST")) == NULL)
      {
	if ((dest = getenv("PRINTER")) != NULL)
	{
          if (!strcmp(dest, "lp"))
            dest = NULL;
	  else
	    val = "PRINTER";
	}
      }
      else
	val = "LPDEST";

      if (dest && val)
	_cupsLangPrintf(stderr,
	                _("%s: Error - %s environment variable names "
			  "non-existent destination \"%s\"."), argv[0], val,
			dest);
      else
	_cupsLangPrintf(stderr,
	                _("%s: Error - no default destination available."),
			argv[0]);
      httpClose(http);
      return (1);
    }

    dest = named_dest->name;
  }

 /*
  * Show the status in a loop...
  */

  for (;;)
  {
    if (dest)
      show_printer(argv[0], http, dest);

    i = show_jobs(argv[0], http, dest, user, id, longstatus);

    if (i && interval)
    {
      fflush(stdout);
      sleep((unsigned)interval);
    }
    else
      break;
  }

 /*
  * Close the connection to the server and return...
  */

  httpClose(http);

  return (0);
}