int
rrd_tune(int argc, char **argv)    
{   
    rrd_t               rrd;
    FILE               *rrd_file;
    int                 matches;
    int                 optcnt = 0;
    long                ds;
    char                ds_nam[DS_NAM_SIZE];
    char                ds_new[DS_NAM_SIZE];
    long                heartbeat;
    double              min;
    double              max;
    char                dst[DST_SIZE];
    optind = 0; opterr = 0;  /* initialize getopt */


    if(rrd_open(argv[1],&rrd_file,&rrd, RRD_READWRITE)==-1){
        return -1;
    }

    
    while (1){
	static 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'},
		{"aberrant-reset",required_argument,0,'b'},
	    {0,0,0,0}
	};
	int option_index = 0;
	int opt;
	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");
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    if ((ds=ds_match(&rrd,ds_nam))==-1){
		rrd_free(&rrd);
                fclose(rrd_file);
		return -1;
	    }
	    rrd.ds_def[ds].par[DS_mrhb_cnt].u_cnt = heartbeat;
	    break;

	case 'i':
	    if ((matches = sscanf(optarg,DS_NAM_FMT ":%lf",ds_nam,&min)) <1){
		rrd_set_error("invalid arguments for minimum ds value");
		rrd_free(&rrd);
                fclose(rrd_file);
		return -1;
	    }
	    if ((ds=ds_match(&rrd,ds_nam))==-1){
		rrd_free(&rrd);
                fclose(rrd_file);
		return -1;
	    }

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

	case 'a':
	    if ((matches = sscanf(optarg, DS_NAM_FMT ":%lf",ds_nam,&max)) <1){
		rrd_set_error("invalid arguments for maximum ds value");
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    if ((ds=ds_match(&rrd,ds_nam))==-1){
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    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");
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    if ((ds=ds_match(&rrd,ds_nam))==-1){
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    if ((int)dst_conv(dst) == -1){
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    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");
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    if ((ds=ds_match(&rrd,ds_nam))==-1){
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    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)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'n':
		if (set_deltaarg(&rrd,RRA_delta_neg,optarg)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'f':
		if (set_windowarg(&rrd,RRA_failure_threshold,optarg)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'w':
		if (set_windowarg(&rrd,RRA_window_len,optarg)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'x':
		if (set_hwarg(&rrd,CF_HWPREDICT,RRA_hw_alpha,optarg)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'y':
		if (set_hwarg(&rrd,CF_HWPREDICT,RRA_hw_beta,optarg)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'z':
		if (set_hwarg(&rrd,CF_SEASONAL,RRA_seasonal_gamma,optarg)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'v':
		if (set_hwarg(&rrd,CF_DEVSEASONAL,RRA_seasonal_gamma,optarg)) {
		   rrd_free(&rrd);
		   return -1;
		}
		break;
	case 'b':
		if (sscanf(optarg,DS_NAM_FMT,ds_nam) != 1){
		rrd_set_error("invalid argument for aberrant-reset");
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    if ((ds=ds_match(&rrd,ds_nam))==-1){
	    /* ds_match handles it own errors */	
		rrd_free(&rrd);
	        fclose(rrd_file);
		return -1;
	    }
	    reset_aberrant_coefficients(&rrd,rrd_file,(unsigned long) ds);
		if (rrd_test_error()) {
		   rrd_free(&rrd);
		   fclose(rrd_file);
		   return -1;
		}
		break;
	case '?':
            if (optopt != 0)
                rrd_set_error("unknown option '%c'", optopt);
            else
                rrd_set_error("unknown option '%s'",argv[optind-1]);
	    rrd_free(&rrd);	    
            fclose(rrd_file);
            return -1;
        }
    }
	if(optcnt>0){
	
	fseek(rrd_file,0,SEEK_SET);
	fwrite(rrd.stat_head,
	       sizeof(stat_head_t),1, rrd_file);
	fwrite(rrd.ds_def,
	       sizeof(ds_def_t), rrd.stat_head->ds_cnt, rrd_file);
	/* need to write rra_defs for RRA parameter changes */
	fwrite(rrd.rra_def, sizeof(rra_def_t), rrd.stat_head->rra_cnt,
		   rrd_file);
    } else {
	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);
	    free(buffer);
		}
    }
    fclose(rrd_file);
    rrd_free(&rrd);
    return 0;
}
Exemple #2
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[ 41 ] = {0};
    const char *in_filename = NULL;
    struct optparse_long longopts[] = {
        {"heartbeat", 'h', OPTPARSE_REQUIRED},
        {"minimum", 'i', OPTPARSE_REQUIRED},
        {"maximum", 'a', OPTPARSE_REQUIRED},
        {"data-source-type", 'd', OPTPARSE_REQUIRED},
        {"data-source-rename", 'r', OPTPARSE_REQUIRED},
        /* added parameter tuning options for aberrant behavior detection */
        {"deltapos", 'p', OPTPARSE_REQUIRED},
        {"deltaneg", 'n', OPTPARSE_REQUIRED},
        {"window-length", 'w', OPTPARSE_REQUIRED},
        {"failure-threshold", 'f', OPTPARSE_REQUIRED},
        {"alpha", 'x', OPTPARSE_REQUIRED},
        {"beta", 'y', OPTPARSE_REQUIRED},
        {"gamma", 'z', OPTPARSE_REQUIRED},
        {"gamma-deviation", 'v', OPTPARSE_REQUIRED},
        {"smoothing-window", 's', OPTPARSE_REQUIRED},
        {"smoothing-window-deviation", 'S', OPTPARSE_REQUIRED},
        {"aberrant-reset", 'b', OPTPARSE_REQUIRED},
	// integration of rrd_modify functionality.
        {"step", 't', OPTPARSE_REQUIRED},
	/* unfortunately, '-d' is already taken */
        {"daemon", 'D', OPTPARSE_REQUIRED},
        {0}
    };
    struct optparse options;
    int opt;

    rrd_thread_init();
    /* Fix CWE-457 */
    memset(&rrd, 0, sizeof(rrd_t));

    /* 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... */
    
    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;
	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");
    	free(opt_daemon);
	return 1;
    }

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

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

    rrd_init(&rrd);
    rrd_file = rrd_open(in_filename, &rrd, RRD_READWRITE | RRD_READAHEAD | RRD_READVALUES);
    if (rrd_file == NULL) {
	goto done;
    }

    optparse_init(&options, argc, argv); /* re-initialize optparse */
    while ((opt = optparse_long(&options, longopts, NULL)) != -1) {
        unsigned int strtod_ret_val;

        optcnt++;
        switch (opt) {
        case 'h':
            if ((matches =
		 sscanf(options.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(options.optarg, DS_NAM_FMT ":%40[U0-9.e+-]", ds_nam, double_str);
            if ( matches == 2 ) {
                if (strcmp(double_str,"U") == 0){
                    min = DNAN;
                }
                else {
                    strtod_ret_val = rrd_strtodbl( double_str, NULL, &min, NULL );
                    if ((strtod_ret_val != 2)) {
                        rrd_set_error("invalid arguments for minimum ds value");
                        goto done;
                    }
                }
            }
            else {
                rrd_set_error("invalid arguments for minimum ds value");
                goto done;
            } 
            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
		goto done;
            }
            rrd.ds_def[ds].par[DS_min_val].u_val = min;
            break;

        case 'a':
            matches = sscanf(options.optarg, DS_NAM_FMT ":%40[U0-9.e+-]", ds_nam, double_str);
            if ( matches == 2 ) {
                if (strcmp(double_str,"U") == 0){
                    max = DNAN;
                }
                else {
                    strtod_ret_val = rrd_strtodbl( double_str, NULL, &max, NULL );
                    if ((strtod_ret_val != 2)) {
                        rrd_set_error("invalid arguments for maximum ds value");
                        goto done;
                    }
                }
            }
            else {
                rrd_set_error("invalid arguments for maximum ds value");
                goto done;
            } 
            if ((ds = ds_match(&rrd, ds_nam)) == -1) {
		goto done;
            }
            rrd.ds_def[ds].par[DS_max_val].u_val = max;
            break;
            
        case 'd':
            if ((matches =
                 sscanf(options.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(options.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, options.optarg)) {
		goto done;
            }
            break;
        case 'n':
            if (set_deltaarg(&rrd, RRA_delta_neg, options.optarg)) {
		goto done;
            }
            break;
        case 'f':
            if (set_windowarg(&rrd, RRA_failure_threshold, options.optarg)) {
		goto done;
            }
            break;
        case 'w':
            if (set_windowarg(&rrd, RRA_window_len, options.optarg)) {
		goto done;
            }
            break;
        case 'x':
            if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_alpha, options.optarg)) {
                if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_alpha, options.optarg)) {
		    goto done;
                }
                rrd_clear_error();
            }
            break;
        case 'y':
            if (set_hwarg(&rrd, CF_HWPREDICT, RRA_hw_beta, options.optarg)) {
                if (set_hwarg(&rrd, CF_MHWPREDICT, RRA_hw_beta, options.optarg)) {
		    goto done;
                }
                rrd_clear_error();
            }
            break;
        case 'z':
            if (set_hwarg(&rrd, CF_SEASONAL, RRA_seasonal_gamma, options.optarg)) {
		goto done;
            }
            break;
        case 'v':
            if (set_hwarg(&rrd, CF_DEVSEASONAL, RRA_seasonal_gamma, options.optarg)) {
		goto done;
	    }
            break;
        case 'b':
            if (sscanf(options.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, options.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,
                 options.optarg)) {
		goto done;
            }
            break;
	case 't':
	    opt_newstep = atoi(options.optarg);
	    break;
	case 'D':
	    // ignore, handled in previous argv parsing round
	    break;
        case '?':
            rrd_set_error("%s", options.errmsg);
	    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 (options.optind >= options.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, options.argc, options.argv, options.optind + 1, opt_newstep);
    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;
}