+
+ CB_PUTS("\t<!-- Round Robin Archives -->\n");
+
+ rra_base = rrd_file->header_len;
+ rra_next = rra_base;
+
+ for (i = 0; i < rrd.stat_head->rra_cnt; i++) {
+
+ long timer = 0;
+
+ rra_start = rra_next;
+ rra_next += (rrd.stat_head->ds_cnt
+ * rrd.rra_def[i].row_cnt * sizeof(rrd_value_t));
+
+ CB_PUTS("\t<rra>\n");
+
+ CB_FMTS("\t\t<cf>%s</cf>\n", rrd.rra_def[i].cf_nam);
+
+ CB_FMTS("\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 */
+ CB_PUTS("\t\t<params>\n");
+
+ switch (cf_conv(rrd.rra_def[i].cf_nam)) {
+ case CF_HWPREDICT:
+ case CF_MHWPREDICT:
+ CB_FMTS("\t\t<hw_alpha>%0.10e</hw_alpha>\n",
+ rrd.rra_def[i].par[RRA_hw_alpha].u_val);
+
+ CB_FMTS("\t\t<hw_beta>%0.10e</hw_beta>\n",
+ rrd.rra_def[i].par[RRA_hw_beta].u_val);
+
+ CB_FMTS("\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:
+ CB_FMTS("\t\t<seasonal_gamma>%0.10e</seasonal_gamma>\n",
+ rrd.rra_def[i].par[RRA_seasonal_gamma].u_val);
+
+ CB_FMTS("\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) {
+ CB_FMTS("\t\t<smoothing_window>%0.10e</smoothing_window>\n",
+ rrd.rra_def[i].par[RRA_seasonal_smoothing_window].u_val);
+ }
+
+ CB_FMTS("\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:
+ CB_FMTS("\t\t<delta_pos>%0.10e</delta_pos>\n",
+ rrd.rra_def[i].par[RRA_delta_pos].u_val);
+
+ CB_FMTS("\t\t<delta_neg>%0.10e</delta_neg>\n",
+ rrd.rra_def[i].par[RRA_delta_neg].u_val);
+
+ CB_FMTS("\t\t<window_len>%lu</window_len>\n",
+ rrd.rra_def[i].par[RRA_window_len].u_cnt);
+
+ CB_FMTS("\t\t<failure_threshold>%lu</failure_threshold>\n",
+ rrd.rra_def[i].par[RRA_failure_threshold].u_cnt);
+
+ /* fall thru */
+ case CF_DEVPREDICT:
+ CB_FMTS("\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:
+ CB_FMTS("\t\t<xff>%0.10e</xff>\n",
+ rrd.rra_def[i].par[RRA_cdp_xff_val].u_val);
+ break;
+ }
+
+ CB_PUTS("\t\t</params>\n");
+ CB_PUTS("\t\t<cdp_prep>\n");
+
+ for (ii = 0; ii < rrd.stat_head->ds_cnt; ii++) {
+ unsigned long ivalue;
+
+ CB_PUTS("\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)) {
+ CB_PUTS("\t\t\t<primary_value>NaN</primary_value>\n");
+ } else {
+ CB_FMTS("\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)) {
+ CB_PUTS("\t\t\t<secondary_value>NaN</secondary_value>\n");
+ } else {
+ CB_FMTS("\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)) {
+ CB_PUTS("\t\t\t<intercept>NaN</intercept>\n");
+ } else {
+ CB_FMTS("\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)) {
+ CB_PUTS("\t\t\t<last_intercept>NaN</last_intercept>\n");
+ } else {
+ CB_FMTS("\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)) {
+ CB_PUTS("\t\t\t<slope>NaN</slope>\n");
+ } else {
+ CB_FMTS("\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)) {
+ CB_PUTS("\t\t\t<last_slope>NaN</last_slope>\n");
+ } else {
+ CB_FMTS("\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;
+ CB_FMTS("\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;
+ CB_FMTS("\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)) {
+ CB_PUTS("\t\t\t<seasonal>NaN</seasonal>\n");
+ } else {
+ CB_FMTS("\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)) {
+ CB_PUTS("\t\t\t<last_seasonal>NaN</last_seasonal>\n");
+ } else {
+ CB_FMTS("\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;
+ CB_FMTS("\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);
+ CB_PUTS("\t\t\t<history>");
+ for (vidx = 0;
+ vidx < rrd.rra_def[i].par[RRA_window_len].u_cnt;
+ ++vidx) {
+ CB_FMTS("%d", violations_array[vidx]);
+ }
+ CB_PUTS("</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)) {
+ CB_PUTS("\t\t\t<value>NaN</value>\n");
+ } else {
+ CB_FMTS("\t\t\t<value>%0.10e</value>\n", value);
+ }
+
+ CB_FMTS("\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;
+ }
+ CB_PUTS("\t\t\t</ds>\n");
+ }
+ CB_PUTS("\t\t</cdp_prep>\n");
+
+ CB_PUTS("\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 = -(long)(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++;