diff --git a/src/rrd_tune.c b/src/rrd_tune.c
index 4975d2100b9aa902c280bb3e3a69602acb451968..80c2de0b0ef8abd6ae48ffe8b6f4169840fae459 100644 (file)
--- a/src/rrd_tune.c
+++ b/src/rrd_tune.c
/*****************************************************************************
- * RRDtool 1.3.2 Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.4.3 Copyright by Tobi Oetiker, 1997-2010
*****************************************************************************
* change header parameters of an rrd
*****************************************************************************
*
*****************************************************************************/
+#include <stdlib.h>
+#include <locale.h>
+
#include "rrd_tool.h"
#include "rrd_rpncalc.h"
#include "rrd_hw.h"
-#include <locale.h>
int set_hwarg(
rrd_t *rrd,
enum rra_par_en,
char *arg);
+int set_hwsmootharg(
+ rrd_t *rrd,
+ enum cf_en cf,
+ enum rra_par_en rra_par,
+ char *arg);
+
int rrd_tune(
int argc,
char **argv)
opterr = 0; /* initialize getopt */
+ rrd_init(&rrd);
rrd_file = rrd_open(argv[1], &rrd, RRD_READWRITE);
if (rrd_file == NULL) {
rrd_free(&rrd);
break;
case 's':
strcpy(rrd.stat_head->version, RRD_VERSION); /* smoothing_window causes Version 4 */
- if (set_hwarg
+ if (set_hwsmootharg
(&rrd, CF_SEASONAL, RRA_seasonal_smoothing_window, optarg)) {
rrd_free(&rrd);
return -1;
break;
case 'S':
strcpy(rrd.stat_head->version, RRD_VERSION); /* smoothing_window causes Version 4 */
- if (set_hwarg
+ if (set_hwsmootharg
(&rrd, CF_DEVSEASONAL, RRA_seasonal_smoothing_window,
optarg)) {
rrd_free(&rrd);
return 0;
}
+int set_hwsmootharg(
+ rrd_t *rrd,
+ enum cf_en cf,
+ enum rra_par_en rra_par,
+ char *arg)
+{
+ double param;
+ unsigned long i;
+ signed short rra_idx = -1;
+
+ /* read the value */
+ param = atof(arg);
+ /* in order to avoid smoothing of SEASONAL or DEVSEASONAL, we need to
+ * the 0.0 value*/
+ if (param < 0.0 || param > 1.0) {
+ rrd_set_error("Holt-Winters parameter must be between 0 and 1");
+ return -1;
+ }
+ /* does the appropriate RRA exist? */
+ for (i = 0; i < rrd->stat_head->rra_cnt; ++i) {
+ if (cf_conv(rrd->rra_def[i].cf_nam) == cf) {
+ rra_idx = i;
+ break;
+ }
+ }
+ if (rra_idx == -1) {
+ rrd_set_error("Holt-Winters RRA does not exist in this RRD");
+ return -1;
+ }
+
+ /* set the value */
+ rrd->rra_def[rra_idx].par[rra_par].u_val = param;
+ return 0;
+}
+
int set_deltaarg(
rrd_t *rrd,
enum rra_par_en rra_par,