src/rrd_dump.c

   1 /*****************************************************************************
   2  * RRDtool 1.1.x  Copyright Tobias Oetiker, 1997 - 2002
   3  *****************************************************************************
   4  * rrd_dump  Display a RRD
   5  *****************************************************************************
   6  * $Id$
   7  * $Log$
   8  * Revision 1.4  2002/02/01 20:34:49  oetiker
   9  * fixed version number and date/time
  10  *
  11  * Revision 1.3  2001/03/10 23:54:39  oetiker
  12  * Support for COMPUTE data sources (CDEF data sources). Removes the RPN
  13  * parser and calculator from rrd_graph and puts then in a new file,
  14  * rrd_rpncalc.c. Changes to core files rrd_create and rrd_update. Some
  15  * clean-up of aberrant behavior stuff, including a bug fix.
  16  * Documentation update (rrdcreate.pod, rrdupdate.pod). Change xml format.
  17  * -- Jake Brutlag <jakeb@corp.webtv.net>
  18  *
  19  * Revision 1.2  2001/03/04 13:01:55  oetiker
  20  *
  21  * Revision 1.1.1.1  2001/02/25 22:25:05  oetiker
  22  * checkin
  23  *
  24  *****************************************************************************/
  25
  26 #include "rrd_tool.h"
  27 #include "rrd_rpncalc.h"
  28
  29 extern char *tzname[2];
  30
  31 int
  32 rrd_dump(int argc, char **argv)
  33 {
  34     int          i,ii,ix,iii=0;
  35     time_t       now;
  36     char         somestring[255];
  37     rrd_value_t  my_cdp;
  38     long         rra_base, rra_start, rra_next;
  39     FILE                  *in_file;
  40     rrd_t             rrd;
  41     rrd_value_t  value;
  42
  43     if(rrd_open(argv[1],&in_file,&rrd, RRD_READONLY)==-1){
  44         return(-1);
  45     }
  46
  47     puts("<!-- Round Robin Database Dump -->");
  48     puts("<rrd>");
  49     printf("\t<version> %s </version>\n",RRD_VERSION);
  50     printf("\t<step> %lu </step> <!-- Seconds -->\n",rrd.stat_head->pdp_step);
  51 #if HAVE_STRFTIME
  52     strftime(somestring,200,"%Y-%m-%d %H:%M:%S %Z",
  53              localtime(&rrd.live_head->last_up));
  54 #else
  55 # error "Need strftime"
  56 #endif
  57     printf("\t<lastupdate> %ld </lastupdate> <!-- %s -->\n\n",
  58            rrd.live_head->last_up,somestring);
  59     for(i=0;i<rrd.stat_head->ds_cnt;i++){
  60         printf("\t<ds>\n");
  61         printf("\t\t<name> %s </name>\n",rrd.ds_def[i].ds_nam);
  62         printf("\t\t<type> %s </type>\n",rrd.ds_def[i].dst);
  63     if (dst_conv(rrd.ds_def[i].dst) != DST_CDEF) {
  64         printf("\t\t<minimal_heartbeat> %lu </minimal_heartbeat>\n",rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt);
  65         if (isnan(rrd.ds_def[i].par[DS_min_val].u_val)){
  66           printf("\t\t<min> NaN </min>\n");
  67         } else {
  68           printf("\t\t<min> %0.10e </min>\n",rrd.ds_def[i].par[DS_min_val].u_val);
  69         }
  70         if (isnan(rrd.ds_def[i].par[DS_max_val].u_val)){
  71           printf("\t\t<max> NaN </max>\n");
  72         } else {
  73           printf("\t\t<max> %0.10e </max>\n",rrd.ds_def[i].par[DS_max_val].u_val);
  74         }
  75     } else { /* DST_CDEF */
  76           char *str;
  77           rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),rrd.ds_def,&str);
  78           printf("\t\t<cdef> %s </cdef>\n", str);
  79           free(str);
  80         }
  81         printf("\n\t\t<!-- PDP Status -->\n");
  82         printf("\t\t<last_ds> %s </last_ds>\n",rrd.pdp_prep[i].last_ds);
  83         if (isnan(rrd.pdp_prep[i].scratch[PDP_val].u_val)){
  84           printf("\t\t<value> NaN </value>\n");
  85         } else {
  86           printf("\t\t<value> %0.10e </value>\n",rrd.pdp_prep[i].scratch[PDP_val].u_val);
  87         }
  88         printf("\t\t<unknown_sec> %lu </unknown_sec>\n",
  89                rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt);
  90
  91         printf("\t</ds>\n\n");
  92     }
  93
  94     puts("<!-- Round Robin Archives -->");
  95
  96     rra_base=ftell(in_file);
  97     rra_next = rra_base;
  98
  99     for(i=0;i<rrd.stat_head->rra_cnt;i++){
 100
 101         long timer=0;
 102         rra_start= rra_next;
 103         rra_next +=  ( rrd.stat_head->ds_cnt
 104                       * rrd.rra_def[i].row_cnt
 105                       * sizeof(rrd_value_t));
 106         printf("\t<rra>\n");
 107         printf("\t\t<cf> %s </cf>\n",rrd.rra_def[i].cf_nam);
 108         printf("\t\t<pdp_per_row> %lu </pdp_per_row> <!-- %lu seconds -->\n\n",
 109                rrd.rra_def[i].pdp_cnt, rrd.rra_def[i].pdp_cnt
 110                *rrd.stat_head->pdp_step);
 111         /* support for RRA parameters */
 112         printf("\t\t<params>\n");
 113         switch(cf_conv(rrd.rra_def[i].cf_nam)) {
 114         case CF_HWPREDICT:
 115            printf("\t\t<hw_alpha> %0.10e </hw_alpha>\n",
 116                   rrd.rra_def[i].par[RRA_hw_alpha].u_val);
 117            printf("\t\t<hw_beta> %0.10e </hw_beta>\n",
 118                   rrd.rra_def[i].par[RRA_hw_beta].u_val);
 119            printf("\t\t<dependent_rra_idx> %lu </dependent_rra_idx>\n",
 120                   rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
 121            break;
 122         case CF_SEASONAL:
 123         case CF_DEVSEASONAL:
 124            printf("\t\t<seasonal_gamma> %0.10e </seasonal_gamma>\n",
 125                   rrd.rra_def[i].par[RRA_seasonal_gamma].u_val);
 126            printf("\t\t<seasonal_smooth_idx> %lu </seasonal_smooth_idx>\n",
 127                   rrd.rra_def[i].par[RRA_seasonal_smooth_idx].u_cnt);
 128            printf("\t\t<dependent_rra_idx> %lu </dependent_rra_idx>\n",
 129                   rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
 130            break;
 131         case CF_FAILURES:
 132            printf("\t\t<delta_pos> %0.10e </delta_pos>\n",
 133                   rrd.rra_def[i].par[RRA_delta_pos].u_val);
 134            printf("\t\t<delta_neg> %0.10e </delta_neg>\n",
 135                   rrd.rra_def[i].par[RRA_delta_neg].u_val);
 136            printf("\t\t<window_len> %lu </window_len>\n",
 137                   rrd.rra_def[i].par[RRA_window_len].u_cnt);
 138            printf("\t\t<failure_threshold> %lu </failure_threshold>\n",
 139                   rrd.rra_def[i].par[RRA_failure_threshold].u_cnt);
 140                   /* fall thru */
 141         case CF_DEVPREDICT:
 142            printf("\t\t<dependent_rra_idx> %lu </dependent_rra_idx>\n",
 143                   rrd.rra_def[i].par[RRA_dependent_rra_idx].u_cnt);
 144            break;
 145         case CF_AVERAGE:
 146         case CF_MAXIMUM:
 147         case CF_MINIMUM:
 148         case CF_LAST:
 149         default:
 150            printf("\t\t<xff> %0.10e </xff>\n", rrd.rra_def[i].par[RRA_cdp_xff_val].u_val);
 151            break;
 152         }
 153         printf("\t\t</params>\n");
 154         printf("\t\t<cdp_prep>\n");
 155         for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
 156                 unsigned long ivalue;
 157                 printf("\t\t\t<ds>\n");
 158                 /* support for exporting all CDP parameters */
 159                 /* parameters common to all CFs */
 160                     /* primary_val and secondary_val do not need to be saved between updates
 161                          * so strictly speaking they could be omitted.
 162                          * However, they can be useful for diagnostic purposes, so are included here. */
 163                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt
 164                            +ii].scratch[CDP_primary_val].u_val;
 165                         if (isnan(value)) {
 166                            printf("\t\t\t<primary_value> NaN </primary_value>\n");
 167                         } else {
 168                            printf("\t\t\t<primary_value> %0.10e </primary_value>\n", value);
 169                         }
 170                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_secondary_val].u_val;
 171                         if (isnan(value)) {
 172                            printf("\t\t\t<secondary_value> NaN </secondary_value>\n");
 173                         } else {
 174                            printf("\t\t\t<secondary_value> %0.10e </secondary_value>\n", value);
 175                         }
 176                 switch(cf_conv(rrd.rra_def[i].cf_nam)) {
 177                 case CF_HWPREDICT:
 178                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_intercept].u_val;
 179                         if (isnan(value)) {
 180                            printf("\t\t\t<intercept> NaN </intercept>\n");
 181                         } else {
 182                            printf("\t\t\t<intercept> %0.10e </intercept>\n", value);
 183                         }
 184                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_last_intercept].u_val;
 185                         if (isnan(value)) {
 186                            printf("\t\t\t<last_intercept> NaN </last_intercept>\n");
 187                         } else {
 188                            printf("\t\t\t<last_intercept> %0.10e </last_intercept>\n", value);
 189                         }
 190                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_slope].u_val;
 191                         if (isnan(value)) {
 192                            printf("\t\t\t<slope> NaN </slope>\n");
 193                         } else {
 194                            printf("\t\t\t<slope> %0.10e </slope>\n", value);
 195                         }
 196                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_last_slope].u_val;
 197                         if (isnan(value)) {
 198                            printf("\t\t\t<last_slope> NaN </last_slope>\n");
 199                         } else {
 200                            printf("\t\t\t<last_slope> %0.10e </last_slope>\n", value);
 201                         }
 202                         ivalue = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_null_count].u_cnt;
 203                         printf("\t\t\t<nan_count> %lu </nan_count>\n", ivalue);
 204                         ivalue = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_last_null_count].u_cnt;
 205                         printf("\t\t\t<last_nan_count> %lu </last_nan_count>\n", ivalue);
 206                         break;
 207                 case CF_SEASONAL:
 208                 case CF_DEVSEASONAL:
 209                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_seasonal].u_val;
 210                         if (isnan(value)) {
 211                            printf("\t\t\t<seasonal> NaN </seasonal>\n");
 212                         } else {
 213                            printf("\t\t\t<seasonal> %0.10e </seasonal>\n", value);
 214                         }
 215                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_last_seasonal].u_val;
 216                         if (isnan(value)) {
 217                            printf("\t\t\t<last_seasonal> NaN </last_seasonal>\n");
 218                         } else {
 219                            printf("\t\t\t<last_seasonal> %0.10e </last_seasonal>\n", value);
 220                         }
 221                 ivalue = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_init_seasonal].u_cnt;
 222                         printf("\t\t\t<init_flag> %lu </init_flag>\n", ivalue);
 223                         break;
 224                 case CF_DEVPREDICT:
 225                         break;
 226                 case CF_FAILURES:
 227                     {
 228             short vidx;
 229                         char *violations_array = (char *) ((void*)
 230                            rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch);
 231                         printf("\t\t\t<history> ");
 232                         for (vidx = 0; vidx < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++vidx)
 233                         {
 234                                 printf("%d",violations_array[vidx]);
 235                         }
 236                         printf(" </history>\n");
 237                         }
 238                         break;
 239                 case CF_AVERAGE:
 240                 case CF_MAXIMUM:
 241                 case CF_MINIMUM:
 242                 case CF_LAST:
 243                 default:
 244                 value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
 245                         if (isnan(value)) {
 246                            printf("\t\t\t<value> NaN </value>\n");
 247                         } else {
 248                            printf("\t\t\t<value> %0.10e </value>\n", value);
 249                         }
 250                     printf("\t\t\t<unknown_datapoints> %lu </unknown_datapoints>\n",
 251                        rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt);
 252                         break;
 253                 }
 254         printf("\t\t\t</ds>\n");
 255     }
 256         printf("\t\t</cdp_prep>\n");
 257
 258         printf("\t\t<database>\n");
 259         fseek(in_file,(rra_start
 260                        +(rrd.rra_ptr[i].cur_row+1)
 261                        * rrd.stat_head->ds_cnt
 262                        * sizeof(rrd_value_t)),SEEK_SET);
 263         timer = - (rrd.rra_def[i].row_cnt-1);
 264         ii=rrd.rra_ptr[i].cur_row;
 265         for(ix=0;ix<rrd.rra_def[i].row_cnt;ix++){
 266             ii++;
 267             if (ii>=rrd.rra_def[i].row_cnt) {
 268                 fseek(in_file,rra_start,SEEK_SET);
 269                 ii=0; /* wrap if max row cnt is reached */
 270             }
 271             now = (rrd.live_head->last_up
 272                    - rrd.live_head->last_up
 273                    % (rrd.rra_def[i].pdp_cnt*rrd.stat_head->pdp_step))
 274                 + (timer*rrd.rra_def[i].pdp_cnt*rrd.stat_head->pdp_step);
 275
 276             timer++;
 277 #if HAVE_STRFTIME
 278             strftime(somestring,200,"%Y-%m-%d %H:%M:%S %Z", localtime(&now));
 279 #else
 280 # error "Need strftime"
 281 #endif
 282             printf("\t\t\t<!-- %s / %d --> <row>",somestring,(int)now);
 283             for(iii=0;iii<rrd.stat_head->ds_cnt;iii++){
 284                 fread(&my_cdp,sizeof(rrd_value_t),1,in_file);
 285                 if (isnan(my_cdp)){
 286                   printf("<v> NaN </v>");
 287                 } else {
 288                   printf("<v> %0.10e </v>",my_cdp);
 289                 };
 290             }
 291             printf("</row>\n");
 292         }
 293         printf("\t\t</database>\n\t</rra>\n");
 294
 295     }
 296     printf("</rrd>\n");
 297     rrd_free(&rrd);
 298     fclose(in_file);
 299     return(0);
 300 }
 301
 302
 303
 304