src/rrd_info.c

   1 /*****************************************************************************
   2  * RRDtool 1.0.33  Copyright Tobias Oetiker, 1997 - 2000
   3  *****************************************************************************
   4  * rrd_info  Get Information about the configuration of an RRD
   5  *****************************************************************************/
   6
   7 #include "rrd_tool.h"
   8 #include "rrd_rpncalc.h"
   9 #include <stdarg.h>
  10
  11 /* proto */
  12 static char * sprintf_alloc(char *, ...);
  13 static info_t *push(info_t *, char *, enum info_type, infoval);
  14 info_t *rrd_info(int, char **);
  15
  16 /* allocate memory for string */
  17 static char *
  18 sprintf_alloc(char *fmt, ...) {
  19 #ifdef HAVE_VSNPRINTF
  20     int maxlen = 50;
  21 #else
  22     int maxlen = 1000;
  23 #endif
  24     char *str = NULL;
  25     va_list argp;
  26     str = malloc(sizeof(char)*(strlen(fmt)+maxlen));
  27     if (str != NULL) {
  28         va_start(argp, fmt);
  29 #ifdef HAVE_VSNPRINTF
  30         vsnprintf(str, maxlen-1, fmt, argp);
  31 #else
  32         vsprintf(str, fmt, argp);
  33 #endif
  34     }
  35     va_end(argp);
  36     return str;
  37 }
  38
  39 static info_t
  40 *push(info_t *info, char *key, enum info_type type, infoval value){
  41     info_t *next;
  42     next = malloc(sizeof(*next));
  43     next->next = (info_t *) 0;
  44     if( info )
  45         info->next = next;
  46     next->type = type;
  47     next->key  = key;
  48     switch (type) {
  49     case RD_I_VAL:
  50         next->value.u_val = value.u_val;
  51         break;
  52     case RD_I_CNT:
  53         next->value.u_cnt = value.u_cnt;
  54         break;
  55     case RD_I_STR:
  56         next->value.u_str = malloc(sizeof(char)*(strlen(value.u_str)+1));
  57         strcpy(next->value.u_str,value.u_str);
  58         break;
  59     }
  60     return(next);
  61 }
  62
  63
  64 info_t *
  65 rrd_info(int argc, char **argv) {
  66     int          i,ii=0;
  67     FILE         *in_file;
  68     rrd_t        rrd;
  69     info_t       *data,*cd;
  70     infoval      info;
  71         enum cf_en   current_cf;
  72         enum dst_en  current_ds;
  73
  74     if(rrd_open(argv[1],&in_file,&rrd, RRD_READONLY)==-1){
  75         return(NULL);
  76     }
  77     fclose(in_file);
  78
  79     info.u_str=argv[1];
  80     cd=push(NULL,sprintf_alloc("filename"),    RD_I_STR, info);
  81     data=cd;
  82
  83     info.u_str=rrd.stat_head->version;
  84     cd=push(cd,sprintf_alloc("rrd_version"),    RD_I_STR, info);
  85
  86     info.u_cnt=rrd.stat_head->pdp_step;
  87     cd=push(cd,sprintf_alloc("step"),       RD_I_CNT, info);
  88
  89     info.u_cnt=rrd.live_head->last_up;
  90     cd=push(cd,sprintf_alloc("last_update"), RD_I_CNT, info);
  91
  92     for(i=0;i<rrd.stat_head->ds_cnt;i++){
  93
  94         info.u_str=rrd.ds_def[i].dst;
  95         cd=push(cd,sprintf_alloc("ds[%s].type",             rrd.ds_def[i].ds_nam), RD_I_STR, info);
  96
  97         current_ds = dst_conv(rrd.ds_def[i].dst);
  98     switch (current_ds) {
  99            case DST_CDEF:
 100                   {
 101                   char *buffer;
 102                   rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
 103                          rrd.ds_def, &buffer);
 104                   info.u_str = buffer;
 105                   cd=push(cd,sprintf_alloc("ds[%s].cdef",rrd.ds_def[i].ds_nam),RD_I_STR,info);
 106                   free(buffer);
 107                   }
 108                   break;
 109            default:
 110            info.u_cnt=rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
 111            cd=push(cd,sprintf_alloc("ds[%s].minimal_heartbeat",rrd.ds_def[i].ds_nam), RD_I_CNT, info);
 112
 113            info.u_val=rrd.ds_def[i].par[DS_min_val].u_val;
 114            cd=push(cd,sprintf_alloc("ds[%s].min",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
 115
 116            info.u_val=rrd.ds_def[i].par[DS_max_val].u_val;
 117            cd=push(cd,sprintf_alloc("ds[%s].max",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
 118            break;
 119         }
 120
 121         info.u_str=rrd.pdp_prep[i].last_ds;
 122         cd=push(cd,sprintf_alloc("ds[%s].last_ds",          rrd.ds_def[i].ds_nam), RD_I_STR, info);
 123
 124         info.u_val=rrd.pdp_prep[i].scratch[PDP_val].u_val;
 125         cd=push(cd,sprintf_alloc("ds[%s].value",            rrd.ds_def[i].ds_nam), RD_I_VAL, info);
 126
 127         info.u_cnt=rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
 128         cd=push(cd,sprintf_alloc("ds[%s].unknown_sec",      rrd.ds_def[i].ds_nam), RD_I_CNT, info);
 129     }
 130
 131     for(i=0;i<rrd.stat_head->rra_cnt;i++){
 132         info.u_str=rrd.rra_def[i].cf_nam;
 133         cd=push(cd,sprintf_alloc("rra[%d].cf",         i),  RD_I_STR,   info);
 134         current_cf = cf_conv(rrd.rra_def[i].cf_nam);
 135
 136         info.u_cnt=rrd.rra_def[i].row_cnt;
 137         cd=push(cd,sprintf_alloc("rra[%d].rows",i),  RD_I_CNT,   info);
 138
 139         info.u_cnt=rrd.rra_def[i].pdp_cnt;
 140         cd=push(cd,sprintf_alloc("rra[%d].pdp_per_row",i),  RD_I_CNT,   info);
 141
 142         switch(current_cf)
 143         {
 144            case CF_HWPREDICT:
 145                   info.u_val=rrd.rra_def[i].par[RRA_hw_alpha].u_val;
 146                   cd=push(cd,sprintf_alloc("rra[%d].alpha",i),RD_I_VAL,info);
 147                   info.u_val=rrd.rra_def[i].par[RRA_hw_beta].u_val;
 148                   cd=push(cd,sprintf_alloc("rra[%d].beta",i),RD_I_VAL,info);
 149                   break;
 150            case CF_SEASONAL:
 151            case CF_DEVSEASONAL:
 152                   info.u_val=rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
 153                   cd=push(cd,sprintf_alloc("rra[%d].gamma",i),RD_I_VAL,info);
 154                   break;
 155            case CF_FAILURES:
 156                   info.u_val=rrd.rra_def[i].par[RRA_delta_pos].u_val;
 157                   cd=push(cd,sprintf_alloc("rra[%d].delta_pos",i),RD_I_VAL,info);
 158                   info.u_val=rrd.rra_def[i].par[RRA_delta_neg].u_val;
 159                   cd=push(cd,sprintf_alloc("rra[%d].delta_neg",i),RD_I_VAL,info);
 160                   info.u_cnt=rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
 161                   cd=push(cd,sprintf_alloc("rra[%d].failure_threshold",i),RD_I_CNT,info);
 162                   info.u_cnt=rrd.rra_def[i].par[RRA_window_len].u_cnt;
 163                   cd=push(cd,sprintf_alloc("rra[%d].window_length",i),RD_I_CNT,info);
 164                   break;
 165            case CF_DEVPREDICT:
 166                   break;
 167            default:
 168                   info.u_val=rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
 169                   cd=push(cd,sprintf_alloc("rra[%d].xff",i),RD_I_VAL,info);
 170                   break;
 171         }
 172
 173         for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
 174         switch(current_cf)
 175                 {
 176                 case CF_HWPREDICT:
 177             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_intercept].u_val;
 178             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].intercept",i,ii), RD_I_VAL, info);
 179             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_slope].u_val;
 180             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].slope",i,ii), RD_I_VAL, info);
 181             info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_null_count].u_cnt;
 182             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",i,ii), RD_I_CNT, info);
 183                    break;
 184                 case CF_SEASONAL:
 185             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_seasonal].u_val;
 186             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",i,ii), RD_I_VAL, info);
 187                    break;
 188                 case CF_DEVSEASONAL:
 189             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_seasonal_deviation].u_val;
 190             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].deviation",i,ii), RD_I_VAL, info);
 191                    break;
 192                 case CF_DEVPREDICT:
 193                    break;
 194                 case CF_FAILURES:
 195                    {
 196                           short j;
 197                           char *violations_array;
 198                           char history[MAX_FAILURES_WINDOW_LEN+1];
 199                           violations_array = (char*) rrd.cdp_prep[i*rrd.stat_head->ds_cnt +ii].scratch;
 200                           for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
 201                                  history[j] = (violations_array[j] == 1) ? '1' : '0';
 202                       history[j] = '\0';
 203                       info.u_str = history;
 204                           cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].history",i,ii), RD_I_STR, info);
 205                    }
 206                    break;
 207                 default:
 208             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
 209             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].value",i,ii), RD_I_VAL, info);
 210             info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
 211             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].unknown_datapoints",i,ii), RD_I_CNT, info);
 212                    break;
 213         }
 214     }
 215         }
 216         rrd_free(&rrd);
 217     return(data);
 218
 219 }