コード例 #1
0
ファイル: rrd_client.c プロジェクト: BOBYou/ntopng
/* convenience function; if there is a daemon specified, or if we can
 * detect one from the environment, then flush the file.  Otherwise, no-op
 */
int rrdc_flush_if_daemon (const char *opt_daemon, const char *filename) /* {{{ */
{
  int status = 0;

  rrdc_connect(opt_daemon);

  if (rrdc_is_connected(opt_daemon))
  {
    rrd_clear_error();
    status = rrdc_flush (filename);

    if (status != 0 && !rrd_test_error())
    {
      if (status > 0)
      {
        rrd_set_error("rrdc_flush (%s) failed: %s",
                      filename, rrd_strerror(status));
      }
      else if (status < 0)
      {
        rrd_set_error("rrdc_flush (%s) failed with status %i.",
                      filename, status);
      }
    }
  } /* if (rrdc_is_connected(..)) */

  return status;
} /* }}} int rrdc_flush_if_daemon */
コード例 #2
0
ファイル: rrd_info.c プロジェクト: DigiTempReader/rrdtool-1.x
rrd_info_t *rrd_info(
    int argc,
    char **argv)
{
    struct optparse_long longopts[] = {
        {"daemon", 'd', OPTPARSE_REQUIRED},
        {"noflush", 'F', OPTPARSE_NONE},
        {0},
    };
    struct    optparse options;
    int       opt;
    rrd_info_t *info;
    char *opt_daemon = NULL;
    int status;
    int flushfirst = 1;

    optparse_init(&options, argc, argv);
    while ((opt = optparse_long(&options, longopts, NULL)) != -1) {
        switch (opt) {
        case 'd':
            if (opt_daemon != NULL)
                free (opt_daemon);
            opt_daemon = strdup(options.optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return NULL;
            }
            break;

        case 'F':
            flushfirst = 0;
            break;

        case '?':
            rrd_set_error("%s", options.errmsg);
            return NULL;
        }
    } /* while (opt != -1) */

    if (options.argc - options.optind != 1) {
        rrd_set_error ("Usage: rrdtool %s [--daemon |-d <addr> [--noflush|-F]] <file>",
                options.argv[0]);
        return NULL;
    }

    if (flushfirst) {
        status = rrdc_flush_if_daemon(opt_daemon, options.argv[options.optind]);
        if (status) return (NULL);
    }

    rrdc_connect (opt_daemon);
    if (rrdc_is_connected (opt_daemon))
        info = rrdc_info(options.argv[options.optind]);
    else
        info = rrd_info_r(options.argv[options.optind]);

    if (opt_daemon) free(opt_daemon);
    return (info);
} /* rrd_info_t *rrd_info */
コード例 #3
0
time_t rrd_last(
    int argc,
    char **argv)
{
    char *opt_daemon = NULL;
    time_t lastupdate;

    optind = 0;
    opterr = 0;         /* initialize getopt */

    while (42) {
        int       opt;
        int       option_index = 0;
        static struct option long_options[] = {
            {"daemon", required_argument, 0, 'd'},
            {0, 0, 0, 0}
        };

        opt = getopt_long(argc, argv, "d:", long_options, &option_index);

        if (opt == EOF)
            break;

        switch (opt) {
        case 'd':
            if (opt_daemon != NULL)
                    free (opt_daemon);
            opt_daemon = strdup (optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return (-1);
            }
            break;

        default:
            rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
                    argv[0]);
            return (-1);
            break;
        }
    }                   /* while (42) */

    if ((argc - optind) != 1) {
        rrd_set_error ("Usage: rrdtool %s [--daemon <addr>] <file>",
                argv[0]);
        return (-1);
    }

    rrdc_connect (opt_daemon);
    if (rrdc_is_connected (opt_daemon))
        lastupdate = rrdc_last (argv[optind]);

    else
        lastupdate = rrd_last_r(argv[optind]);

    if (opt_daemon) free(opt_daemon);
    return (lastupdate);
}
コード例 #4
0
time_t rrd_first(
    int argc,
    char **argv)
{
    struct optparse_long longopts[] = {
        {"rraindex", 129, OPTPARSE_REQUIRED},
        {"daemon", 'd', OPTPARSE_REQUIRED},
        {0},
    };
    struct    optparse options;
    int       opt;
    int       target_rraindex = 0;
    char     *endptr;
    char *opt_daemon = NULL;

    optparse_init(&options, argc, argv);
    while ((opt = optparse_long(&options, longopts, NULL)) != -1) {
        switch (opt) {
        case 129:
            target_rraindex = strtol(options.optarg, &endptr, 0);
            if (target_rraindex < 0) {
                rrd_set_error("invalid rraindex number");
                return (-1);
            }
            break;
        case 'd':
            if (opt_daemon != NULL)
                    free (opt_daemon);
            opt_daemon = strdup(options.optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return -1;
            }
            break;
        case '?':
            rrd_set_error("%s", options.errmsg);
            return -1;
        }
    }

    if (options.optind >= options.argc) {
        rrd_set_error("usage rrdtool %s [--rraindex number] [--daemon|-d <addr>] file.rrd",
                      options.argv[0]);
        return -1;
    }

    rrdc_connect (opt_daemon);
    if (rrdc_is_connected (opt_daemon)) {
      return rrdc_first(options.argv[options.optind], target_rraindex);
    } else {
      return rrd_first_r(options.argv[options.optind], target_rraindex);
	}
}
コード例 #5
0
ファイル: rrdtool.c プロジェクト: tokkee/sysdb
static bool
rrdcached_connect(char *addr)
{
#ifdef HAVE_RRD_CLIENT_H
	rrd_clear_error();
	if (! rrdc_is_connected(addr)) {
		if (rrdc_connect(addr)) {
			sdb_log(SDB_LOG_ERR, "Failed to connectd to RRDCacheD at %s: %s",
					addr, rrd_get_error());
			return 0;
		}
	}
#else
	sdb_log(SDB_LOG_ERR, "Callback called with RRDCacheD address "
			"but your build of SysDB does not support that");
	return 0;
#endif
	return 1;
} /* rrdcached_connect */
コード例 #6
0
ファイル: rrdcached.c プロジェクト: Whissi/collectd
static int try_reconnect (void)
{
  int status;

  rrdc_disconnect ();

  rrd_clear_error ();
  status = rrdc_connect (daemon_address);
  if (status != 0)
  {
    ERROR ("rrdcached plugin: Failed to reconnect to RRDCacheD "
        "at %s: %s (status=%d)", daemon_address, rrd_get_error (), status);
    return (-1);
  }

  INFO ("rrdcached plugin: Successfully reconnected to RRDCacheD "
      "at %s", daemon_address);
  return (0);
} /* int try_reconnect */
コード例 #7
0
int rrd_xport(
    int argc,
    char **argv,
    int UNUSED(*xsize),
    time_t *start,
    time_t *end,        /* which time frame do you want ?
                         * will be changed to represent reality */
    unsigned long *step,    /* which stepsize do you want?
                             * will be changed to represent reality */
    unsigned long *col_cnt, /* number of data columns in the result */
    char ***legend_v,   /* legend entries */
    rrd_value_t **data)
{                       /* two dimensional array containing the data */
    image_desc_t im;
    time_t    start_tmp = 0, end_tmp = 0;
    rrd_time_value_t start_tv, end_tv;
    char     *parsetime_error = NULL;
    struct optparse options;
    optparse_init(&options, argc, argv);

    struct optparse_long longopts[] = {
        {"start",  's', OPTPARSE_REQUIRED},
        {"end",    'e', OPTPARSE_REQUIRED},
        {"maxrows",'m', OPTPARSE_REQUIRED},
        {"step",   261, OPTPARSE_REQUIRED},
        {"enumds", 262, OPTPARSE_NONE},
        {"json",   263, OPTPARSE_NONE},
        {"showtime", 't', OPTPARSE_NONE},
        {"daemon", 'd', OPTPARSE_REQUIRED},
        {0}
    };

    rrd_graph_init(&im);

    rrd_parsetime("end-24h", &start_tv);
    rrd_parsetime("now", &end_tv);

    int enumds=0;
    int json=0;
    int showtime=0;
    
    int opt;
    while ((opt = optparse_long(&options,longopts,NULL)) != -1){

        switch (opt) {
        case 261:
            im.step = atoi(options.optarg);
            break;
        case 262:
  	    enumds=1;
            break;
        case 263:
  	    json=1;
            break;
        case 't':
  	    showtime=1;
            break;
        case 's':
            if ((parsetime_error = rrd_parsetime(options.optarg, &start_tv))) {
                rrd_set_error("start time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'e':
            if ((parsetime_error = rrd_parsetime(options.optarg, &end_tv))) {
                rrd_set_error("end time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'm':
            im.xsize = atol(options.optarg);
            if (im.xsize < 10) {
                rrd_set_error("maxrows below 10 rows");
                return -1;
            }
            break;
        case 'd':
        {
            if (im.daemon_addr != NULL)
            {
                rrd_set_error ("You cannot specify --daemon "
                        "more than once.");
                return (-1);
            }

            im.daemon_addr = strdup(options.optarg);
            if (im.daemon_addr == NULL)
            {
                rrd_set_error("strdup error");
                return -1;
            }
            break;
        }

        case '?':
            rrd_set_error("%s", options.errmsg);
            return -1;
        }
    }

    if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
        return -1;
    }

    if (start_tmp < 3600 * 24 * 365 * 10) {
        rrd_set_error("the first entry to fetch should be after 1980 (%ld)",
                      start_tmp);
        return -1;
    }

    if (end_tmp < start_tmp) {
        rrd_set_error("start (%ld) should be less than end (%ld)",
                      start_tmp, end_tmp);
        return -1;
    }

    im.start = start_tmp;
    im.end = end_tmp;
    im.step = max((long) im.step, (im.end - im.start) / im.xsize);

    rrd_graph_script(options.argc, options.argv, &im, options.optind);
    if (rrd_test_error()) {
        im_free(&im);
        return -1;
    }

    if (im.gdes_c == 0) {
        rrd_set_error("can't make an xport without contents");
        im_free(&im);
        return (-1);
    }

    {   /* try to connect to rrdcached */
        int status = rrdc_connect(im.daemon_addr);
        if (status != 0) return status;
    }

    if (rrd_xport_fn(&im, start, end, step, col_cnt, legend_v, data,0) == -1) {
        im_free(&im);
        return -1;
    }

    /* and create the export */
    if (!xsize) {
      int flags=0;
      if (json) { flags|=1; }
      if (showtime) { flags|=2; }
      if (enumds) { flags|=4; }
      stringbuffer_t buffer={0,0,NULL,stdout};
      rrd_xport_format_xmljson(flags,&buffer,&im,
			       *start, *end, *step,
			       *col_cnt, *legend_v,
			       *data);
    }

    im_free(&im);
    return 0;
}
コード例 #8
0
int rrd_tune(
    int argc,
    char **argv)
{
    rrd_t     rrd;
    int       matches;
    int       optcnt = 0;
    long      ds;
    char      ds_nam[DS_NAM_SIZE];
    char      ds_new[DS_NAM_SIZE];
    long      heartbeat;
    double    min = 0;
    double    max = 0;
    char      dst[DST_SIZE];
    int       rc = -1;
    int       opt_newstep = -1;
    rrd_file_t *rrd_file = NULL;
    char      *opt_daemon = NULL;
    char      double_str[ 12 ];
    const char *in_filename = NULL;
    struct option long_options[] = {
        {"heartbeat", required_argument, 0, 'h'},
        {"minimum", required_argument, 0, 'i'},
        {"maximum", required_argument, 0, 'a'},
        {"data-source-type", required_argument, 0, 'd'},
        {"data-source-rename", required_argument, 0, 'r'},
        /* added parameter tuning options for aberrant behavior detection */
        {"deltapos", required_argument, 0, 'p'},
        {"deltaneg", required_argument, 0, 'n'},
        {"window-length", required_argument, 0, 'w'},
        {"failure-threshold", required_argument, 0, 'f'},
        {"alpha", required_argument, 0, 'x'},
        {"beta", required_argument, 0, 'y'},
        {"gamma", required_argument, 0, 'z'},
        {"gamma-deviation", required_argument, 0, 'v'},
        {"smoothing-window", required_argument, 0, 's'},
        {"smoothing-window-deviation", required_argument, 0, 'S'},
        {"aberrant-reset", required_argument, 0, 'b'},
	// integration of rrd_modify functionality.
        {"step", required_argument, 0, 't'},
	/* unfortunately, '-d' is already taken */
        {"daemon", required_argument, 0, 'D'},
        {0, 0, 0, 0}
    };

    optind = 0;
    opterr = 0;         /* initialize getopt */

    /* before we open the input RRD, we should flush it from any caching
    daemon, because we might totally rewrite it later on */

    /* for this, we FIRST have to find the daemon, this means we must parse options twice... */
    
    while (1) {
	int option_index = 0;
	int opt = getopt_long(argc, argv, "h:i:a:d:r:p:n:w:f:x:y:z:v:b:",
			      long_options, &option_index);
        if (opt == EOF)
            break;
	switch (opt) {
	case 'D':
            if (opt_daemon != NULL)
		free (opt_daemon);
            opt_daemon = strdup (optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return (-1);
            }
            break;
	default:
	    break;
	}
    }
    
    // connect to daemon (will take care of environment variable automatically)
    if (rrdc_connect(opt_daemon) != 0) {
    	rrd_set_error("Cannot connect to daemon");
	return 1;
    }

    if (opt_daemon) {
	free(opt_daemon);
	opt_daemon = NULL;
    }

    if (optind < 0 || optind >= argc) {
	// missing file name...
	rrd_set_error("missing file name");
	goto done;
    }
    
    /* NOTE: getopt_long reorders argv and places all NON option arguments to
    the back, starting with optind. This means the file name has travelled to
    argv[optind] */
    
    in_filename = argv[optind];
    
    if (rrdc_is_any_connected()) {
	// is it a good idea to just ignore the error ????
	rrdc_flush(in_filename);
	rrd_clear_error();
    }

    optind = 0;
    opterr = 0;         /* re-initialize getopt */
    
    rrd_init(&rrd);
    rrd_file = rrd_open(in_filename, &rrd, RRD_READWRITE | RRD_READAHEAD | RRD_READVALUES);
    if (rrd_file == NULL) {
	goto done;
    }

    while (1) {
        int       option_index = 0;
        int       opt;
        unsigned int strtod_ret_val;

        opt = getopt_long(argc, argv, "h:i:a:d:r:p:n:w:f:x:y:z:v:b:",
                          long_options, &option_index);
        if (opt == EOF)
            break;

        optcnt++;
        switch (opt) {
        case 'h':
            if ((matches =
		 sscanf(optarg, DS_NAM_FMT ":%ld", ds_nam,
			&heartbeat)) != 2) {
                rrd_set_error("invalid arguments for heartbeat");
		goto done;
            }
            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
		goto done;
            }
            rrd.ds_def[ds].par[DS_mrhb_cnt].u_cnt = heartbeat;
            break;

        case 'i':
            matches = sscanf(optarg, DS_NAM_FMT ":%[0-9.e+-]", ds_nam, double_str);
            if( matches >= 1 ) {
                strtod_ret_val = rrd_strtodbl( double_str, NULL, &min, NULL );
            }

            if ((matches < 1) || (strtod_ret_val != 2)) {
                rrd_set_error("invalid arguments for minimum ds value");
		goto done;
            }

            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
		goto done;
            }

            if (matches == 1)
                min = DNAN;
            rrd.ds_def[ds].par[DS_min_val].u_val = min;
            break;

        case 'a':
            matches = sscanf(optarg, DS_NAM_FMT ":%[0-9.e+-]", ds_nam, double_str);
            if( matches >= 1 ) {
                strtod_ret_val = rrd_strtodbl( double_str, NULL, &max, NULL );
            }

            if ((matches < 1 ) || (strtod_ret_val != 2)) {
                rrd_set_error("invalid arguments for maximum ds value");
		goto done;
            }

            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
		goto done;
            }

            if (matches == 1)
                max = DNAN;
            rrd.ds_def[ds].par[DS_max_val].u_val = max;
            break;

        case 'd':
            if ((matches =
                 sscanf(optarg, DS_NAM_FMT ":" DST_FMT, ds_nam, dst)) != 2) {
                rrd_set_error("invalid arguments for data source type");
		goto done;
	    }
            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
		goto done;
            }
            if ((int) dst_conv(dst) == -1) {
		goto done;
            }
            /* only reset when something is changed */
            if (strncmp(rrd.ds_def[ds].dst, dst, DST_SIZE - 1) != 0) {
                strncpy(rrd.ds_def[ds].dst, dst, DST_SIZE - 1);
                rrd.ds_def[ds].dst[DST_SIZE - 1] = '\0';

                rrd.pdp_prep[ds].last_ds[0] = 'U';
                rrd.pdp_prep[ds].last_ds[1] = 'N';
                rrd.pdp_prep[ds].last_ds[2] = 'K';
                rrd.pdp_prep[ds].last_ds[3] = 'N';
                rrd.pdp_prep[ds].last_ds[4] = '\0';
            }
            break;
        case 'r':
            if ((matches =
                 sscanf(optarg, DS_NAM_FMT ":" DS_NAM_FMT, ds_nam,
                        ds_new)) != 2) {
                rrd_set_error("invalid arguments for data source type");
		goto done;
            }
            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
		goto done;
            }
            strncpy(rrd.ds_def[ds].ds_nam, ds_new, DS_NAM_SIZE - 1);
            rrd.ds_def[ds].ds_nam[DS_NAM_SIZE - 1] = '\0';
            break;
        case 'p':
            if (set_deltaarg(&rrd, RRA_delta_pos, optarg)) {
		goto done;
            }
            break;
        case 'n':
            if (set_deltaarg(&rrd, RRA_delta_neg, optarg)) {
		goto done;
            }
            break;
        case 'f':
            if (set_windowarg(&rrd, RRA_failure_threshold, optarg)) {
		goto done;
            }
            break;
        case 'w':
            if (set_windowarg(&rrd, RRA_window_len, optarg)) {
		goto done;
            }
            break;
        case 'x':
            if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_alpha, optarg)) {
                if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_alpha, optarg)) {
		    goto done;
                }
                rrd_clear_error();
            }
            break;
        case 'y':
            if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_beta, optarg)) {
                if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_beta, optarg)) {
		    goto done;
                }
                rrd_clear_error();
            }
            break;
        case 'z':
            if (set_hwarg(&rrd, CF_SEASONAL, RRA_seasonal_gamma, optarg)) {
		goto done;
            }
            break;
        case 'v':
            if (set_hwarg(&rrd, CF_DEVSEASONAL, RRA_seasonal_gamma, optarg)) {
		goto done;
	    }
            break;
        case 'b':
            if (sscanf(optarg, DS_NAM_FMT, ds_nam) != 1) {
                rrd_set_error("invalid argument for aberrant-reset");
		goto done;
            }
            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
                /* ds_match handles it own errors */
		goto done;
            }
            reset_aberrant_coefficients(&rrd, rrd_file, (unsigned long) ds);
            if (rrd_test_error()) {
		goto done;
            }
            break;
        case 's':
            if (atoi(rrd.stat_head->version) < atoi(RRD_VERSION4)) {
                strcpy(rrd.stat_head->version, RRD_VERSION4);    /* smoothing_window causes Version 4 */
            }
            if (set_hwsmootharg
                (&rrd, CF_SEASONAL, RRA_seasonal_smoothing_window, optarg)) {
		goto done;
            }
            break;
        case 'S':
            if (atoi(rrd.stat_head->version) < atoi(RRD_VERSION4)) {
                strcpy(rrd.stat_head->version, RRD_VERSION4);    /* smoothing_window causes Version 4 */
            }
            if (set_hwsmootharg
                (&rrd, CF_DEVSEASONAL, RRA_seasonal_smoothing_window,
                 optarg)) {
		goto done;
            }
            break;
	case 't':
	    opt_newstep = atoi(optarg);
	    break;
	case 'D':
	    // ignore, handled in previous argv parsing round
	    break;
        case '?':
            if (optopt != 0)
                rrd_set_error("unknown option '%c'", optopt);
            else
                rrd_set_error("unknown option '%s'", argv[optind - 1]);
	    goto done;
        }
    }
    if (optcnt > 0) {
        rrd_seek(rrd_file, 0, SEEK_SET);
        rrd_write(rrd_file, rrd.stat_head, sizeof(stat_head_t) * 1);
        rrd_write(rrd_file, rrd.ds_def,
                  sizeof(ds_def_t) * rrd.stat_head->ds_cnt);
        /* need to write rra_defs for RRA parameter changes */
        rrd_write(rrd_file, rrd.rra_def,
                  sizeof(rra_def_t) * rrd.stat_head->rra_cnt);
    }
    
    if (optind >= argc) {
        int       i;

        for (i = 0; i < (int) rrd.stat_head->ds_cnt; i++)
            if (dst_conv(rrd.ds_def[i].dst) != DST_CDEF) {
                printf("DS[%s] typ: %s\thbt: %ld\tmin: %1.4f\tmax: %1.4f\n",
                       rrd.ds_def[i].ds_nam,
                       rrd.ds_def[i].dst,
                       rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt,
                       rrd.ds_def[i].par[DS_min_val].u_val,
                       rrd.ds_def[i].par[DS_max_val].u_val);
            } else {
                char     *buffer = NULL;

                rpn_compact2str((rpn_cdefds_t *) &
                                (rrd.ds_def[i].par[DS_cdef]), rrd.ds_def,
                                &buffer);
                printf("DS[%s] typ: %s\tcdef: %s\n", rrd.ds_def[i].ds_nam,
                       rrd.ds_def[i].dst, buffer);
                if (buffer) free(buffer);
            }
    }

    optind = handle_modify(&rrd, in_filename, argc, argv, optind + 1, opt_newstep);
    if (optind < 0) {
	goto done;
    }
    
    rc = 0;
done:
    if (in_filename && rrdc_is_any_connected()) {
        // save any errors....
        char *e = strdup(rrd_get_error());
	// is it a good idea to just ignore the error ????
	rrdc_forget(in_filename);
	rrd_clear_error();
        
        if (e && *e) {
            rrd_set_error(e);
        }
        if (e) free(e);
        
    }
    if (rrd_file) {
	rrd_close(rrd_file);
    }
    rrd_free(&rrd);
    return rc;
}
コード例 #9
0
ファイル: rrd_fetch.c プロジェクト: ndksys01/rrdtool-1.x
int rrd_fetch(
    int argc,
    char **argv,
    time_t *start,
    time_t *end,        /* which time frame do you want ?
                         * will be changed to represent reality */
    unsigned long *step,    /* which stepsize do you want? 
                             * will be changed to represent reality */
    unsigned long *ds_cnt,  /* number of data sources in file */
    char ***ds_namv,    /* names of data sources */
    rrd_value_t **data)
{                       /* two dimensional array containing the data */
    unsigned long step_tmp = 1;
    time_t    start_tmp = 0, end_tmp = 0;
    const char *cf;
    char *opt_daemon = NULL;
    int align_start = 0;
    int status;

    rrd_time_value_t start_tv, end_tv;
    const char *parsetime_error = NULL;
    struct option long_options[] = {
        {"resolution", required_argument, 0, 'r'},
        {"start", required_argument, 0, 's'},
        {"end", required_argument, 0, 'e'},
        {"align-start", optional_argument, 0, 'a'},
        {"daemon", required_argument, 0, 'd'},
        {0, 0, 0, 0}
    };

    optind = 0;
    opterr = 0;         /* initialize getopt */

    /* init start and end time */
    rrd_parsetime("end-24h", &start_tv);
    rrd_parsetime("now", &end_tv);

    while (1) {
        int       option_index = 0;
        int       opt;

        opt = getopt_long(argc, argv, "ar:s:e:d:", long_options, &option_index);

        if (opt == EOF)
            break;

        switch (opt) {
        case 's':
            if ((parsetime_error = rrd_parsetime(optarg, &start_tv))) {
                rrd_set_error("start time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'e':
            if ((parsetime_error = rrd_parsetime(optarg, &end_tv))) {
                rrd_set_error("end time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'a':
            align_start = 1;
            break;
        case 'r':
            if ((parsetime_error = rrd_scaled_duration(optarg, 1, &step_tmp))) {
                rrd_set_error("resolution: %s", parsetime_error);
                return -1;
            }
            break;

        case 'd':
            if (opt_daemon != NULL)
                    free (opt_daemon);
            opt_daemon = strdup (optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return (-1);
            }
            break;

        case '?':
            rrd_set_error("unknown option '-%c'", optopt);
            return (-1);
        }
    }


    if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
        return -1;
    }

    if (start_tmp < 3600 * 24 * 365 * 10) {
        rrd_set_error("the first entry to fetch should be after 1980");
        return (-1);
    }

    if (align_start) {
        time_t delta = (start_tmp % step_tmp);
        start_tmp -= delta;
        end_tmp -= delta;
    }

    if (end_tmp < start_tmp) {
        rrd_set_error("start (%ld) should be less than end (%ld)", start_tmp,
                      end_tmp);
        return (-1);
    }

    *start = start_tmp;
    *end = end_tmp;
    *step = step_tmp;

    if (optind + 1 >= argc) {
        rrd_set_error("Usage: rrdtool %s <file> <CF> [options]", argv[0]);
        return -1;
    }

    cf = argv[optind + 1];

    rrdc_connect (opt_daemon);
    if (rrdc_is_connected (opt_daemon))
	    status = rrdc_fetch (argv[optind], cf, start, end, step,
			    ds_cnt, ds_namv, data);

    else
	    status = rrd_fetch_r(argv[optind], cf, start, end, step,
			    ds_cnt, ds_namv, data);

    if (status != 0)
        return (-1);
    return (0);
}
コード例 #10
0
int rrd_flushcached (int argc, char **argv)
{
    struct optparse_long longopts[] = {
        {"daemon", 'd', OPTPARSE_REQUIRED},
        {0},
    };
    struct    optparse options;
    int       opt;
    char *opt_daemon = NULL;
    int status;
    int i;

    optparse_init(&options, argc, argv);
    while ((opt = optparse_long(&options, longopts, NULL)) != -1) {
        switch (opt)
        {
            case 'd':
                if (opt_daemon != NULL)
                    free (opt_daemon);
                opt_daemon = strdup(options.optarg);
                if (opt_daemon == NULL)
                {
                    rrd_set_error ("strdup failed.");
                    return -1;
                }
                break;

            case '?':
                rrd_set_error("%s", options.errmsg);
                return -1;
        }
    } /* while (opt!=-1) */

    if ((options.argc - options.optind) < 1)
    {
        rrd_set_error("Usage: rrdtool %s [--daemon|-d <addr>] <file> [<file> ...]",
                      options.argv[0]);
        return -1;
    }

    /* try to connect to rrdcached */
    status = rrdc_connect(opt_daemon);
    if (status != 0) goto out;

    if (! rrdc_is_connected(opt_daemon))
    {
        rrd_set_error ("Daemon address \"%s\" unknown. Please use the \"--daemon\" "
                "option to set an address on the command line or set the "
                "\"%s\" environment variable.",
                 opt_daemon,
                ENV_RRDCACHED_ADDRESS);
        status = -1;
        goto out;
    }

    status = 0;
    for (i = options.optind; i < options.argc; i++)
    {
        status = rrdc_flush(options.argv[i]);
        if (status)
        {
            char *error;
            int   remaining;

            error     = strdup(rrd_get_error());
            remaining = options.argc - options.optind - 1;

            rrd_set_error("Flushing of file \"%s\" failed: %s. Skipping "
                    "remaining %i file%s.", options.argv[i],
                    ((! error) || (*error == '\0')) ? "unknown error" : error,
                    remaining, (remaining == 1) ? "" : "s");
            free(error);
            break;
        }
    }

out:
    if (opt_daemon) free(opt_daemon);

    return status;
} /* int rrd_flush */
コード例 #11
0
ファイル: rrd_xport.c プロジェクト: Charlesdong/rrdtool-1.x
int rrd_xport(
    int argc,
    char **argv,
    int UNUSED(*xsize),
    time_t *start,
    time_t *end,        /* which time frame do you want ?
                         * will be changed to represent reality */
    unsigned long *step,    /* which stepsize do you want? 
                             * will be changed to represent reality */
    unsigned long *col_cnt, /* number of data columns in the result */
    char ***legend_v,   /* legend entries */
    rrd_value_t **data)
{                       /* two dimensional array containing the data */
    image_desc_t im;
    time_t    start_tmp = 0, end_tmp = 0;
    rrd_time_value_t start_tv, end_tv;
    char     *parsetime_error = NULL;

    struct option long_options[] = {
        {"start", required_argument, 0, 's'},
        {"end", required_argument, 0, 'e'},
        {"maxrows", required_argument, 0, 'm'},
        {"step", required_argument, 0, 261},
        {"enumds", no_argument, 0, 262},    /* these are handled in the frontend ... */
        {"json", no_argument, 0, 263},    /* these are handled in the frontend ... */
        {"daemon", required_argument, 0, 'd'},
        {0, 0, 0, 0}
    };

    optind = 0;
    opterr = 0;         /* initialize getopt */

    rrd_graph_init(&im);

    rrd_parsetime("end-24h", &start_tv);
    rrd_parsetime("now", &end_tv);

    int enumds=0;
    int json=0;

    while (1) {
        int       option_index = 0;
        int       opt;

        opt = getopt_long(argc, argv, "s:e:m:d:", long_options, &option_index);

        if (opt == EOF)
            break;

        switch (opt) {
        case 261:
            im.step = atoi(optarg);
            break;
        case 262:
  	    enumds=1;
            break;
        case 263:
  	    json=1;
            break;
        case 's':
            if ((parsetime_error = rrd_parsetime(optarg, &start_tv))) {
                rrd_set_error("start time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'e':
            if ((parsetime_error = rrd_parsetime(optarg, &end_tv))) {
                rrd_set_error("end time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'm':
            im.xsize = atol(optarg);
            if (im.xsize < 10) {
                rrd_set_error("maxrows below 10 rows");
                return -1;
            }
            break;
        case 'd':
        {
            if (im.daemon_addr != NULL)
            {
                rrd_set_error ("You cannot specify --daemon "
                        "more than once.");
                return (-1);
            }

            im.daemon_addr = strdup(optarg);
            if (im.daemon_addr == NULL)
            {
                rrd_set_error("strdup error");
                return -1;
            }
            break;
        }

        case '?':
            rrd_set_error("unknown option '%s'", argv[optind - 1]);
            return -1;
        }
    }

    if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
        return -1;
    }

    if (start_tmp < 3600 * 24 * 365 * 10) {
        rrd_set_error("the first entry to fetch should be after 1980 (%ld)",
                      start_tmp);
        return -1;
    }

    if (end_tmp < start_tmp) {
        rrd_set_error("start (%ld) should be less than end (%ld)",
                      start_tmp, end_tmp);
        return -1;
    }

    im.start = start_tmp;
    im.end = end_tmp;
    im.step = max((long) im.step, (im.end - im.start) / im.xsize);

    rrd_graph_script(argc, argv, &im, 0);
    if (rrd_test_error()) {
        im_free(&im);
        return -1;
    }

    if (im.gdes_c == 0) {
        rrd_set_error("can't make an xport without contents");
        im_free(&im);
        return (-1);
    }

    {   /* try to connect to rrdcached */
        int status = rrdc_connect(im.daemon_addr);
        if (status != 0) return status;
    }

    if (rrd_xport_fn(&im, start, end, step, col_cnt, legend_v, data,0) == -1) {
        im_free(&im);
        return -1;
    }

    /* and create the export */
    if (!xsize) {
      int flags=0;
      if (json) { flags|=1; }
      if (enumds) { flags|=4; }
      stringbuffer_t buffer={0,0,NULL,stdout};
      rrd_xport_format_xmljson(flags,&buffer,&im, 
			       *start, *end, *step,
			       *col_cnt, *legend_v,
			       *data);
    }

    im_free(&im);
    return 0;
}
コード例 #12
0
ファイル: rrdcached.c プロジェクト: 01BTC10/collectd
static int rc_read (void)
{
  int status;
  rrdc_stats_t *head;
  rrdc_stats_t *ptr;

  value_t values[1];
  value_list_t vl = VALUE_LIST_INIT;

  if (daemon_address == NULL)
    return (-1);

  if (!config_collect_stats)
    return (-1);

  vl.values = values;
  vl.values_len = 1;

  if ((strncmp ("unix:", daemon_address, strlen ("unix:")) == 0)
      || (daemon_address[0] == '/'))
    sstrncpy (vl.host, hostname_g, sizeof (vl.host));
  else
    sstrncpy (vl.host, daemon_address, sizeof (vl.host));
  sstrncpy (vl.plugin, "rrdcached", sizeof (vl.plugin));

  status = rrdc_connect (daemon_address);
  if (status != 0)
  {
    ERROR ("rrdcached plugin: rrdc_connect (%s) failed with status %i.",
        daemon_address, status);
    return (-1);
  }

  head = NULL;
  status = rrdc_stats_get (&head);
  if (status != 0)
  {
    ERROR ("rrdcached plugin: rrdc_stats_get failed with status %i.", status);
    return (-1);
  }

  for (ptr = head; ptr != NULL; ptr = ptr->next)
  {
    if (ptr->type == RRDC_STATS_TYPE_GAUGE)
      values[0].gauge = (gauge_t) ptr->value.gauge;
    else if (ptr->type == RRDC_STATS_TYPE_COUNTER)
      values[0].counter = (counter_t) ptr->value.counter;
    else
      continue;

    if (strcasecmp ("QueueLength", ptr->name) == 0)
    {
      sstrncpy (vl.type, "queue_length", sizeof (vl.type));
      sstrncpy (vl.type_instance, "", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("UpdatesWritten", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "write-updates", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("DataSetsWritten", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "write-data_sets",
          sizeof (vl.type_instance));
    }
    else if (strcasecmp ("TreeNodesNumber", ptr->name) == 0)
    {
      sstrncpy (vl.type, "gauge", sizeof (vl.type));
      sstrncpy (vl.type_instance, "tree_nodes", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("TreeDepth", ptr->name) == 0)
    {
      sstrncpy (vl.type, "gauge", sizeof (vl.type));
      sstrncpy (vl.type_instance, "tree_depth", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("FlushesReceived", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "receive-flush", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("JournalBytes", ptr->name) == 0)
    {
      sstrncpy (vl.type, "counter", sizeof (vl.type));
      sstrncpy (vl.type_instance, "journal-bytes", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("JournalRotate", ptr->name) == 0)
    {
      sstrncpy (vl.type, "counter", sizeof (vl.type));
      sstrncpy (vl.type_instance, "journal-rotates", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("UpdatesReceived", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "receive-update", sizeof (vl.type_instance));
    }
    else
    {
      DEBUG ("rrdcached plugin: rc_read: Unknown statistic `%s'.", ptr->name);
      continue;
    }

    plugin_dispatch_values (&vl);
  } /* for (ptr = head; ptr != NULL; ptr = ptr->next) */

  rrdc_stats_free (head);

  return (0);
} /* int rc_read */
コード例 #13
0
ファイル: rrdcached.c プロジェクト: Whissi/collectd
static int rc_read (void)
{
  int status;
  rrdc_stats_t *head;
  _Bool retried = 0;

  value_list_t vl = VALUE_LIST_INIT;
  vl.values = &(value_t) { .gauge = NAN };
  vl.values_len = 1;

  if (daemon_address == NULL)
    return (-1);

  if (!config_collect_stats)
    return (-1);

  if ((strncmp ("unix:", daemon_address, strlen ("unix:")) != 0)
      && (daemon_address[0] != '/'))
    sstrncpy (vl.host, daemon_address, sizeof (vl.host));
  sstrncpy (vl.plugin, "rrdcached", sizeof (vl.plugin));

  rrd_clear_error ();
  status = rrdc_connect (daemon_address);
  if (status != 0)
  {
    ERROR ("rrdcached plugin: Failed to connect to RRDCacheD "
        "at %s: %s (status=%d)", daemon_address, rrd_get_error (), status);
    return (-1);
  }

  while (42)
  {
    /* The RRD client lib does not provide any means for checking a
     * connection, hence we'll have to retry upon failed operations. */
    head = NULL;
    rrd_clear_error ();
    status = rrdc_stats_get (&head);
    if (status == 0)
      break;

    if (!retried)
    {
      retried = 1;
      if (try_reconnect () == 0)
        continue;
      /* else: report the error and fail */
    }

    ERROR ("rrdcached plugin: rrdc_stats_get failed: %s (status=%i).",
        rrd_get_error (), status);
    return (-1);
  }

  for (rrdc_stats_t *ptr = head; ptr != NULL; ptr = ptr->next)
  {
    if (ptr->type == RRDC_STATS_TYPE_GAUGE)
      vl.values[0].gauge = (gauge_t) ptr->value.gauge;
    else if (ptr->type == RRDC_STATS_TYPE_COUNTER)
      vl.values[0].counter = (counter_t) ptr->value.counter;
    else
      continue;

    if (strcasecmp ("QueueLength", ptr->name) == 0)
    {
      sstrncpy (vl.type, "queue_length", sizeof (vl.type));
      sstrncpy (vl.type_instance, "", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("UpdatesWritten", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "write-updates", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("DataSetsWritten", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "write-data_sets",
          sizeof (vl.type_instance));
    }
    else if (strcasecmp ("TreeNodesNumber", ptr->name) == 0)
    {
      sstrncpy (vl.type, "gauge", sizeof (vl.type));
      sstrncpy (vl.type_instance, "tree_nodes", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("TreeDepth", ptr->name) == 0)
    {
      sstrncpy (vl.type, "gauge", sizeof (vl.type));
      sstrncpy (vl.type_instance, "tree_depth", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("FlushesReceived", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "receive-flush", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("JournalBytes", ptr->name) == 0)
    {
      sstrncpy (vl.type, "counter", sizeof (vl.type));
      sstrncpy (vl.type_instance, "journal-bytes", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("JournalRotate", ptr->name) == 0)
    {
      sstrncpy (vl.type, "counter", sizeof (vl.type));
      sstrncpy (vl.type_instance, "journal-rotates", sizeof (vl.type_instance));
    }
    else if (strcasecmp ("UpdatesReceived", ptr->name) == 0)
    {
      sstrncpy (vl.type, "operations", sizeof (vl.type));
      sstrncpy (vl.type_instance, "receive-update", sizeof (vl.type_instance));
    }
    else
    {
      DEBUG ("rrdcached plugin: rc_read: Unknown statistic `%s'.", ptr->name);
      continue;
    }

    plugin_dispatch_values (&vl);
  } /* for (ptr = head; ptr != NULL; ptr = ptr->next) */

  rrdc_stats_free (head);

  return (0);
} /* int rc_read */
コード例 #14
0
int rrd_fetch(
    int argc,
    char **argv,
    time_t *start,
    time_t *end,        /* which time frame do you want ?
                         * will be changed to represent reality */
    unsigned long *step,    /* which stepsize do you want? 
                             * will be changed to represent reality */
    unsigned long *ds_cnt,  /* number of data sources in file */
    char ***ds_namv,    /* names of data sources */
    rrd_value_t **data)
{                       /* two dimensional array containing the data */
    unsigned long step_tmp = 1;
    time_t    start_tmp = 0, end_tmp = 0;
    const char *cf;
    char *opt_daemon = NULL;
    int align_start = 0;
    int status;

    rrd_time_value_t start_tv, end_tv;
    const char *parsetime_error = NULL;
    struct optparse_long longopts[] = {
        {"resolution", 'r', OPTPARSE_REQUIRED},
        {"start", 's', OPTPARSE_REQUIRED},
        {"end", 'e', OPTPARSE_REQUIRED},
        {"align-start", 'a', OPTPARSE_NONE},
        {"daemon", 'd', OPTPARSE_REQUIRED},
        {0},
    };
    struct optparse options;
    int opt;

    /* init start and end time */
    rrd_parsetime("end-24h", &start_tv);
    rrd_parsetime("now", &end_tv);

    optparse_init(&options, argc, argv);
    while ((opt = optparse_long(&options, longopts, NULL)) != -1) {
        switch (opt) {
        case 's':
            if ((parsetime_error = rrd_parsetime(options.optarg, &start_tv))) {
                rrd_set_error("start time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'e':
            if ((parsetime_error = rrd_parsetime(options.optarg, &end_tv))) {
                rrd_set_error("end time: %s", parsetime_error);
                return -1;
            }
            break;
        case 'a':
            align_start = 1;
            break;
        case 'r':
            if ((parsetime_error = rrd_scaled_duration(options.optarg, 1, &step_tmp))) {
                rrd_set_error("resolution: %s", parsetime_error);
                return -1;
            }
            break;

        case 'd':
            if (opt_daemon != NULL)
                free (opt_daemon);
            opt_daemon = strdup(options.optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return -1;
            }
            break;

        case '?':
            rrd_set_error("%s", options.errmsg);
            return -1;
        }
    }


    if (rrd_proc_start_end(&start_tv, &end_tv, &start_tmp, &end_tmp) == -1) {
        return -1;
    }

    if (start_tmp < 3600 * 24 * 365 * 10) {
        rrd_set_error("the first entry to fetch should be after 1980");
        return (-1);
    }

    if (align_start) {
        time_t delta = (start_tmp % step_tmp);
        start_tmp -= delta;
        end_tmp -= delta;
    }

    if (end_tmp < start_tmp) {
        rrd_set_error("start (%ld) should be less than end (%ld)", start_tmp,
                      end_tmp);
        return (-1);
    }

    *start = start_tmp;
    *end = end_tmp;
    *step = step_tmp;

    if (options.optind + 1 >= options.argc) {
        rrd_set_error("Usage: rrdtool %s <file> <CF> [options]", options.argv[0]);
        return -1;
    }

    cf = options.argv[options.optind + 1];

    rrdc_connect (opt_daemon);
    if (rrdc_is_connected (opt_daemon))
	    status = rrdc_fetch (options.argv[options.optind],
			    cf, start, end, step, ds_cnt, ds_namv, data);

    else
	    status = rrd_fetch_r(options.argv[options.optind],
			    cf, start, end, step, ds_cnt, ds_namv, data);

    if (status != 0)
        return (-1);
    return (0);
}
コード例 #15
0
ファイル: rrd_create.c プロジェクト: alindobre/rrdtool-1.x
int rrd_create(
    int argc,
    char **argv)
{
    struct option long_options[] = {
        {"start", required_argument, 0, 'b'},
        {"step", required_argument, 0, 's'},
        {"daemon", required_argument, 0, 'd'},
        {"no-overwrite", no_argument, 0, 'O'},
        {0, 0, 0, 0}
    };
    int       option_index = 0;
    int       opt;
    time_t    last_up = time(NULL) - 10;
    unsigned long pdp_step = 300;
    rrd_time_value_t last_up_tv;
    char     *parsetime_error = NULL;
    long      long_tmp;
    int       rc;
    char * opt_daemon = NULL;
    int       opt_no_overwrite = 0;

    optind = 0;
    opterr = 0;         /* initialize getopt */

    while (1) {
        opt = getopt_long(argc, argv, "Ob:s:d:", long_options, &option_index);

        if (opt == EOF)
            break;

        switch (opt) {
        case 'd':
            if (opt_daemon != NULL)
                    free (opt_daemon);
            opt_daemon = strdup (optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return (-1);
            }
            break;

        case 'b':
            if ((parsetime_error = rrd_parsetime(optarg, &last_up_tv))) {
                rrd_set_error("start time: %s", parsetime_error);
                return (-1);
            }
            if (last_up_tv.type == RELATIVE_TO_END_TIME ||
                last_up_tv.type == RELATIVE_TO_START_TIME) {
                rrd_set_error("specifying time relative to the 'start' "
                              "or 'end' makes no sense here");
                return (-1);
            }

            last_up = mktime(&last_up_tv.tm) +last_up_tv.offset;

            if (last_up < 3600 * 24 * 365 * 10) {
                rrd_set_error
                    ("the first entry to the RRD should be after 1980");
                return (-1);
            }
            break;

        case 's':
            long_tmp = atol(optarg);
            if (long_tmp < 1) {
                rrd_set_error("step size should be no less than one second");
                return (-1);
            }
            pdp_step = long_tmp;
            break;

        case 'O':
            opt_no_overwrite = 1;
	    break;

        case '?':
            if (optopt != 0)
                rrd_set_error("unknown option '%c'", optopt);
            else
                rrd_set_error("unknown option '%s'", argv[optind - 1]);
            return (-1);
        }
    }
    if (optind == argc) {
        rrd_set_error("need name of an rrd file to create");
        return -1;
    }

    rrdc_connect (opt_daemon);
    if (rrdc_is_connected (opt_daemon)) {
        rc = rrdc_create (argv[optind],
                      pdp_step, last_up, opt_no_overwrite,
                      argc - optind - 1, (const char **) (argv + optind + 1));
	} else {
        rc = rrd_create_r2(argv[optind],
                      pdp_step, last_up, opt_no_overwrite,
                      argc - optind - 1, (const char **) (argv + optind + 1));
	}

    return rc;
}
コード例 #16
0
ファイル: rrd_info.c プロジェクト: Distrotech/rrdtool
rrd_info_t *rrd_info(
    int argc,
    char **argv)
{
    rrd_info_t *info;
    char *opt_daemon = NULL;
    int status;
    int flushfirst = 1;

    optind = 0;
    opterr = 0;         /* initialize getopt */

    while (42) {
        int       opt;
        int       option_index = 0;
        static struct option long_options[] = {
            {"daemon", required_argument, 0, 'd'},
            {"noflush", no_argument, 0, 'F'},
            {0, 0, 0, 0}
        };

        opt = getopt_long(argc, argv, "d:F", long_options, &option_index);

        if (opt == EOF)
            break;

        switch (opt) {
        case 'd':
            if (opt_daemon != NULL)
                    free (opt_daemon);
            opt_daemon = strdup (optarg);
            if (opt_daemon == NULL)
            {
                rrd_set_error ("strdup failed.");
                return (NULL);
            }
            break;

        case 'F':
            flushfirst = 0;
            break;

        default:
            rrd_set_error ("Usage: rrdtool %s [--daemon <addr> [--noflush]] <file>",
                    argv[0]);
            return (NULL);
            break;
        }
    }                   /* while (42) */

    if ((argc - optind) != 1) {
        rrd_set_error ("Usage: rrdtool %s [--daemon <addr> [--noflush]] <file>",
                argv[0]);
        return (NULL);
    }

    if( flushfirst ) {
    status = rrdc_flush_if_daemon(opt_daemon, argv[optind]);
    if (status) return (NULL);
    }

    rrdc_connect (opt_daemon);
    if (rrdc_is_connected (opt_daemon))
        info = rrdc_info (argv[optind]);
    else
    info = rrd_info_r(argv[optind]);

    if (opt_daemon) free(opt_daemon);
    return (info);
} /* rrd_info_t *rrd_info */