+ rra_start = rra_next;
+ rra_next += (rrd.stat_head->ds_cnt
+ * rrd.rra_def[i].row_cnt * sizeof(rrd_value_t));
+ fprintf(out_file, "\t<rra>\n");
+ fprintf(out_file, "\t\t<cf> %s </cf>\n", rrd.rra_def[i].cf_nam);
+ fprintf(out_file,
+ "\t\t<pdp_per_row> %lu </pdp_per_row> <!-- %lu seconds -->\n\n",
+ rrd.rra_def[i].pdp_cnt,
+ rrd.rra_def[i].pdp_cnt * rrd.stat_head->pdp_step);
+ /* support for RRA parameters */
+ fprintf(out_file, "\t\t<params>\n");
+ switch (cf_conv(rrd.rra_def[i].cf_nam)) {
+ case CF_HWPREDICT:
+ case CF_MHWPREDICT:
+ fprintf(out_file, "\t\t<hw_alpha> %0.10e </hw_alpha>\n",
+ rrd.rra_def[i].par[RRA_hw_alpha].u_val);
+ fprintf(out_file, "\t\t<hw_beta> %0.10e </hw_beta>\n",
+ rrd.rra_def[i].par[RRA_hw_beta].u_val);
+ fprintf(out_file,
+ "\t\t<dependent_rra_idx> %lu </dependent_rra_idx>\n",
+ rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
+ break;
+ case CF_SEASONAL:
+ case CF_DEVSEASONAL:
+ fprintf(out_file,
+ "\t\t<seasonal_gamma> %0.10e </seasonal_gamma>\n",
+ rrd.rra_def[i].par[RRA_seasonal_gamma].u_val);
+ fprintf(out_file,
+ "\t\t<seasonal_smooth_idx> %lu </seasonal_smooth_idx>\n",
+ rrd.rra_def[i].par[RRA_seasonal_smooth_idx].u_cnt);
+ if (atoi(rrd.stat_head->version) >= 4) {
+ fprintf(out_file,
+ "\t\t<smoothing_window> %0.10e </smoothing_window>\n",
+ rrd.rra_def[i].par[RRA_seasonal_smoothing_window].
+ u_val);
+ }
+ fprintf(out_file,
+ "\t\t<dependent_rra_idx> %lu </dependent_rra_idx>\n",
+ rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
+ break;
+ case CF_FAILURES:
+ fprintf(out_file, "\t\t<delta_pos> %0.10e </delta_pos>\n",
+ rrd.rra_def[i].par[RRA_delta_pos].u_val);
+ fprintf(out_file, "\t\t<delta_neg> %0.10e </delta_neg>\n",
+ rrd.rra_def[i].par[RRA_delta_neg].u_val);
+ fprintf(out_file, "\t\t<window_len> %lu </window_len>\n",
+ rrd.rra_def[i].par[RRA_window_len].u_cnt);
+ fprintf(out_file,
+ "\t\t<failure_threshold> %lu </failure_threshold>\n",
+ rrd.rra_def[i].par[RRA_failure_threshold].u_cnt);
+ /* fall thru */
+ case CF_DEVPREDICT:
+ fprintf(out_file,
+ "\t\t<dependent_rra_idx> %lu </dependent_rra_idx>\n",
+ rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
+ break;
+ case CF_AVERAGE:
+ case CF_MAXIMUM:
+ case CF_MINIMUM:
+ case CF_LAST:
+ default:
+ fprintf(out_file, "\t\t<xff> %0.10e </xff>\n",
+ rrd.rra_def[i].par[RRA_cdp_xff_val].u_val);
+ break;
+ }
+ fprintf(out_file, "\t\t</params>\n");
+ fprintf(out_file, "\t\t<cdp_prep>\n");
+ for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
+ unsigned long ivalue;
+
+ fprintf(out_file, "\t\t\t<ds>\n");
+ /* support for exporting all CDP parameters */
+ /* parameters common to all CFs */
+ /* primary_val and secondary_val do not need to be saved between updates
+ * so strictly speaking they could be omitted.
+ * However, they can be useful for diagnostic purposes, so are included here. */
+ value = rrd.cdp_prep[i * rrd.stat_head->ds_cnt
+ + ii].scratch[CDP_primary_val].u_val;
+ if (isnan(value)) {
+ fprintf(out_file,
+ "\t\t\t<primary_value> NaN </primary_value>\n");
+ } else {
+ fprintf(out_file,
+ "\t\t\t<primary_value> %0.10e </primary_value>\n",
+ value);
+ }
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_secondary_val].u_val;
+ if (isnan(value)) {
+ fprintf(out_file,
+ "\t\t\t<secondary_value> NaN </secondary_value>\n");
+ } else {
+ fprintf(out_file,
+ "\t\t\t<secondary_value> %0.10e </secondary_value>\n",
+ value);
+ }
+ switch (cf_conv(rrd.rra_def[i].cf_nam)) {
+ case CF_HWPREDICT:
+ case CF_MHWPREDICT:
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_hw_intercept].u_val;
+ if (isnan(value)) {
+ fprintf(out_file, "\t\t\t<intercept> NaN </intercept>\n");
+ } else {
+ fprintf(out_file,
+ "\t\t\t<intercept> %0.10e </intercept>\n", value);
+ }
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_hw_last_intercept].u_val;
+ if (isnan(value)) {
+ fprintf(out_file,
+ "\t\t\t<last_intercept> NaN </last_intercept>\n");
+ } else {
+ fprintf(out_file,
+ "\t\t\t<last_intercept> %0.10e </last_intercept>\n",
+ value);
+ }
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_hw_slope].u_val;
+ if (isnan(value)) {
+ fprintf(out_file, "\t\t\t<slope> NaN </slope>\n");
+ } else {
+ fprintf(out_file, "\t\t\t<slope> %0.10e </slope>\n",
+ value);
+ }
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_hw_last_slope].u_val;
+ if (isnan(value)) {
+ fprintf(out_file,
+ "\t\t\t<last_slope> NaN </last_slope>\n");
+ } else {
+ fprintf(out_file,
+ "\t\t\t<last_slope> %0.10e </last_slope>\n",
+ value);
+ }
+ ivalue =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_null_count].u_cnt;
+ fprintf(out_file, "\t\t\t<nan_count> %lu </nan_count>\n",
+ ivalue);
+ ivalue =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_last_null_count].u_cnt;
+ fprintf(out_file,
+ "\t\t\t<last_nan_count> %lu </last_nan_count>\n",
+ ivalue);
+ break;
+ case CF_SEASONAL:
+ case CF_DEVSEASONAL:
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_hw_seasonal].u_val;
+ if (isnan(value)) {
+ fprintf(out_file, "\t\t\t<seasonal> NaN </seasonal>\n");
+ } else {
+ fprintf(out_file, "\t\t\t<seasonal> %0.10e </seasonal>\n",
+ value);
+ }
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_hw_last_seasonal].u_val;
+ if (isnan(value)) {
+ fprintf(out_file,
+ "\t\t\t<last_seasonal> NaN </last_seasonal>\n");
+ } else {
+ fprintf(out_file,
+ "\t\t\t<last_seasonal> %0.10e </last_seasonal>\n",
+ value);
+ }
+ ivalue =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_init_seasonal].u_cnt;
+ fprintf(out_file, "\t\t\t<init_flag> %lu </init_flag>\n",
+ ivalue);
+ break;
+ case CF_DEVPREDICT:
+ break;
+ case CF_FAILURES:
+ {
+ unsigned short vidx;
+ char *violations_array = (char *) ((void *)
+ rrd.cdp_prep[i *
+ rrd.
+ stat_head->
+ ds_cnt +
+ ii].
+ scratch);
+ fprintf(out_file, "\t\t\t<history> ");
+ for (vidx = 0;
+ vidx < rrd.rra_def[i].par[RRA_window_len].u_cnt;
+ ++vidx) {
+ fprintf(out_file, "%d", violations_array[vidx]);
+ }
+ fprintf(out_file, " </history>\n");
+ }
+ break;
+ case CF_AVERAGE:
+ case CF_MAXIMUM:
+ case CF_MINIMUM:
+ case CF_LAST:
+ default:
+ value =
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_val].u_val;
+ if (isnan(value)) {
+ fprintf(out_file, "\t\t\t<value> NaN </value>\n");
+ } else {
+ fprintf(out_file, "\t\t\t<value> %0.10e </value>\n",
+ value);
+ }
+ fprintf(out_file,
+ "\t\t\t<unknown_datapoints> %lu </unknown_datapoints>\n",
+ rrd.cdp_prep[i * rrd.stat_head->ds_cnt +
+ ii].scratch[CDP_unkn_pdp_cnt].u_cnt);
+ break;
+ }
+ fprintf(out_file, "\t\t\t</ds>\n");
+ }
+ fprintf(out_file, "\t\t</cdp_prep>\n");
+
+ fprintf(out_file, "\t\t<database>\n");
+ rrd_seek(rrd_file, (rra_start + (rrd.rra_ptr[i].cur_row + 1)
+ * rrd.stat_head->ds_cnt
+ * sizeof(rrd_value_t)), SEEK_SET);
+ timer = -(rrd.rra_def[i].row_cnt - 1);
+ ii = rrd.rra_ptr[i].cur_row;
+ for (ix = 0; ix < rrd.rra_def[i].row_cnt; ix++) {
+ ii++;
+ if (ii >= rrd.rra_def[i].row_cnt) {
+ rrd_seek(rrd_file, rra_start, SEEK_SET);
+ ii = 0; /* wrap if max row cnt is reached */
+ }
+ now = (rrd.live_head->last_up
+ - rrd.live_head->last_up
+ % (rrd.rra_def[i].pdp_cnt * rrd.stat_head->pdp_step))
+ + (timer * rrd.rra_def[i].pdp_cnt * rrd.stat_head->pdp_step);
+
+ timer++;