src/rrd_dump.c

   1 /*****************************************************************************
   2  * RRDtool 1.0.33  Copyright Tobias Oetiker, 1997 - 2000
   3  *****************************************************************************
   4  * rrd_dump  Display a RRD
   5  *****************************************************************************
   6  * $Id$
   7  * $Log$
   8  * Revision 1.1  2001/02/25 22:25:05  oetiker
   9  * Initial revision
  10  *
  11  *****************************************************************************/
  12
  13 #include "rrd_tool.h"
  14
  15 extern char *tzname[2];
  16
  17 int
  18 rrd_dump(int argc, char **argv)
  19 {
  20     int          i,ii,ix,iii=0;
  21     time_t       now;
  22     char         somestring[255];
  23     rrd_value_t  my_cdp;
  24     long         rra_base, rra_start, rra_next;
  25     FILE                  *in_file;
  26     rrd_t             rrd;
  27
  28
  29     if(rrd_open(argv[1],&in_file,&rrd, RRD_READONLY)==-1){
  30         return(-1);
  31     }
  32     puts("<!-- Round Robin Database Dump -->");
  33     puts("<rrd>");
  34     printf("\t<version> %s </version>\n",rrd.stat_head->version);
  35     printf("\t<step> %lu </step> <!-- Seconds -->\n",rrd.stat_head->pdp_step);
  36 #if HAVE_STRFTIME
  37     strftime(somestring,200,"%Y-%m-%d %H:%M:%S %Z",
  38              localtime(&rrd.live_head->last_up));
  39 #else
  40 # error "Need strftime"
  41 #endif
  42     printf("\t<lastupdate> %ld </lastupdate> <!-- %s -->\n\n",
  43            rrd.live_head->last_up,somestring);
  44     for(i=0;i<rrd.stat_head->ds_cnt;i++){
  45         printf("\t<ds>\n");
  46         printf("\t\t<name> %s </name>\n",rrd.ds_def[i].ds_nam);
  47         printf("\t\t<type> %s </type>\n",rrd.ds_def[i].dst);
  48         printf("\t\t<minimal_heartbeat> %lu </minimal_heartbeat>\n",rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt);
  49         if (isnan(rrd.ds_def[i].par[DS_min_val].u_val)){
  50           printf("\t\t<min> NaN </min>\n");
  51         } else {
  52           printf("\t\t<min> %0.10e </min>\n",rrd.ds_def[i].par[DS_min_val].u_val);
  53         }
  54         if (isnan(rrd.ds_def[i].par[DS_max_val].u_val)){
  55           printf("\t\t<max> NaN </max>\n");
  56         } else {
  57           printf("\t\t<max> %0.10e </max>\n",rrd.ds_def[i].par[DS_max_val].u_val);
  58         }
  59         printf("\n\t\t<!-- PDP Status -->\n");
  60         printf("\t\t<last_ds> %s </last_ds>\n",rrd.pdp_prep[i].last_ds);
  61         if (isnan(rrd.pdp_prep[i].scratch[PDP_val].u_val)){
  62           printf("\t\t<value> NaN </value>\n");
  63         } else {
  64           printf("\t\t<value> %0.10e </value>\n",rrd.pdp_prep[i].scratch[PDP_val].u_val);
  65         }
  66         printf("\t\t<unknown_sec> %lu </unknown_sec>\n",
  67                rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt);
  68
  69         printf("\t</ds>\n\n");
  70     }
  71
  72     puts("<!-- Round Robin Archives -->");
  73
  74     rra_base=ftell(in_file);
  75     rra_next = rra_base;
  76
  77     for(i=0;i<rrd.stat_head->rra_cnt;i++){
  78
  79         long timer=0;
  80         rra_start= rra_next;
  81         rra_next +=  ( rrd.stat_head->ds_cnt
  82                       * rrd.rra_def[i].row_cnt
  83                       * sizeof(rrd_value_t));
  84         printf("\t<rra>\n");
  85         printf("\t\t<cf> %s </cf>\n",rrd.rra_def[i].cf_nam);
  86         printf("\t\t<pdp_per_row> %lu </pdp_per_row> <!-- %lu seconds -->\n",
  87                rrd.rra_def[i].pdp_cnt, rrd.rra_def[i].pdp_cnt
  88                *rrd.stat_head->pdp_step);
  89         printf("\t\t<xff> %0.10e </xff>\n\n",rrd.rra_def[i].par[RRA_cdp_xff_val].u_val);
  90         printf("\t\t<cdp_prep>\n");
  91         for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
  92             double value = rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
  93             printf("\t\t\t<ds>");
  94             if (isnan(value)){
  95               printf("<value> NaN </value>");
  96             } else {
  97               printf("<value> %0.10e </value>", value);
  98             }
  99             printf("  <unknown_datapoints> %lu </unknown_datapoints>",
 100                    rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt);
 101            printf("</ds>\n");
 102         }
 103         printf("\t\t</cdp_prep>\n");
 104
 105         printf("\t\t<database>\n");
 106         fseek(in_file,(rra_start
 107                        +(rrd.rra_ptr[i].cur_row+1)
 108                        * rrd.stat_head->ds_cnt
 109                        * sizeof(rrd_value_t)),SEEK_SET);
 110         timer = - (rrd.rra_def[i].row_cnt-1);
 111         ii=rrd.rra_ptr[i].cur_row;
 112         for(ix=0;ix<rrd.rra_def[i].row_cnt;ix++){
 113             ii++;
 114             if (ii>=rrd.rra_def[i].row_cnt) {
 115                 fseek(in_file,rra_start,SEEK_SET);
 116                 ii=0; /* wrap if max row cnt is reached */
 117             }
 118             now = (rrd.live_head->last_up
 119                    - rrd.live_head->last_up
 120                    % (rrd.rra_def[i].pdp_cnt*rrd.stat_head->pdp_step))
 121                 + (timer*rrd.rra_def[i].pdp_cnt*rrd.stat_head->pdp_step);
 122
 123             timer++;
 124 #if HAVE_STRFTIME
 125             strftime(somestring,200,"%Y-%m-%d %H:%M:%S %Z", localtime(&now));
 126 #else
 127 # error "Need strftime"
 128 #endif
 129             printf("\t\t\t<!-- %s / %d --> <row>",somestring,(int)now);
 130             for(iii=0;iii<rrd.stat_head->ds_cnt;iii++){
 131                 fread(&my_cdp,sizeof(rrd_value_t),1,in_file);
 132                 if (isnan(my_cdp)){
 133                   printf("<v> NaN </v>");
 134                 } else {
 135                   printf("<v> %0.10e </v>",my_cdp);
 136                 };
 137             }
 138             printf("</row>\n");
 139         }
 140         printf("\t\t</database>\n\t</rra>\n");
 141
 142     }
 143     printf("</rrd>\n");
 144     rrd_free(&rrd);
 145     fclose(in_file);
 146     return(0);
 147 }
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