src/rrd_info.c

   1 /*****************************************************************************
   2  * RRDtool 1.1.x  Copyright Tobias Oetiker, 1997 - 2002
   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 info_t *rrd_info_r(char *filename);
  16
  17 /* allocate memory for string */
  18 static char *
  19 sprintf_alloc(char *fmt, ...) {
  20 #ifdef HAVE_VSNPRINTF
  21     int maxlen = 50;
  22 #else
  23     int maxlen = 1000;
  24 #endif
  25     char *str = NULL;
  26     va_list argp;
  27     str = malloc(sizeof(char)*(strlen(fmt)+maxlen));
  28     if (str != NULL) {
  29         va_start(argp, fmt);
  30 #ifdef HAVE_VSNPRINTF
  31         vsnprintf(str, maxlen-1, fmt, argp);
  32 #else
  33         vsprintf(str, fmt, argp);
  34 #endif
  35     }
  36     va_end(argp);
  37     return str;
  38 }
  39
  40 static info_t
  41 *push(info_t *info, char *key, enum info_type type, infoval value){
  42     info_t *next;
  43     next = malloc(sizeof(*next));
  44     next->next = (info_t *) 0;
  45     if( info )
  46         info->next = next;
  47     next->type = type;
  48     next->key  = key;
  49     switch (type) {
  50     case RD_I_VAL:
  51         next->value.u_val = value.u_val;
  52         break;
  53     case RD_I_CNT:
  54         next->value.u_cnt = value.u_cnt;
  55         break;
  56     case RD_I_STR:
  57         next->value.u_str = malloc(sizeof(char)*(strlen(value.u_str)+1));
  58         strcpy(next->value.u_str,value.u_str);
  59         break;
  60     }
  61     return(next);
  62 }
  63
  64
  65 info_t *
  66 rrd_info(int argc, char **argv) {
  67     info_t             *info;
  68
  69     if(argc < 2){
  70         rrd_set_error("please specify an rrd");
  71         return NULL;
  72     }
  73
  74     info = rrd_info_r(argv[1]);
  75
  76     return(info);
  77 }
  78
  79
  80
  81 info_t *
  82 rrd_info_r(char *filename) {
  83     unsigned int i,ii=0;
  84     FILE         *in_file;
  85     rrd_t        rrd;
  86     info_t       *data,*cd;
  87     infoval      info;
  88         enum cf_en   current_cf;
  89         enum dst_en  current_ds;
  90
  91     if(rrd_open(filename,&in_file,&rrd, RRD_READONLY)==-1){
  92         return(NULL);
  93     }
  94     fclose(in_file);
  95
  96     info.u_str=filename;
  97     cd=push(NULL,sprintf_alloc("filename"),    RD_I_STR, info);
  98     data=cd;
  99
 100     info.u_str=rrd.stat_head->version;
 101     cd=push(cd,sprintf_alloc("rrd_version"),    RD_I_STR, info);
 102
 103     info.u_cnt=rrd.stat_head->pdp_step;
 104     cd=push(cd,sprintf_alloc("step"),       RD_I_CNT, info);
 105
 106     info.u_cnt=rrd.live_head->last_up;
 107     cd=push(cd,sprintf_alloc("last_update"), RD_I_CNT, info);
 108
 109     for(i=0;i<rrd.stat_head->ds_cnt;i++){
 110
 111         info.u_str=rrd.ds_def[i].dst;
 112         cd=push(cd,sprintf_alloc("ds[%s].type",             rrd.ds_def[i].ds_nam), RD_I_STR, info);
 113
 114         current_ds = dst_conv(rrd.ds_def[i].dst);
 115     switch (current_ds) {
 116            case DST_CDEF:
 117                   {
 118                   char *buffer = 0;
 119                   rpn_compact2str((rpn_cdefds_t *) &(rrd.ds_def[i].par[DS_cdef]),
 120                          rrd.ds_def, &buffer);
 121                   info.u_str = buffer;
 122                   cd=push(cd,sprintf_alloc("ds[%s].cdef",rrd.ds_def[i].ds_nam),RD_I_STR,info);
 123                   free(buffer);
 124                   }
 125                   break;
 126            default:
 127            info.u_cnt=rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt;
 128            cd=push(cd,sprintf_alloc("ds[%s].minimal_heartbeat",rrd.ds_def[i].ds_nam), RD_I_CNT, info);
 129
 130            info.u_val=rrd.ds_def[i].par[DS_min_val].u_val;
 131            cd=push(cd,sprintf_alloc("ds[%s].min",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
 132
 133            info.u_val=rrd.ds_def[i].par[DS_max_val].u_val;
 134            cd=push(cd,sprintf_alloc("ds[%s].max",rrd.ds_def[i].ds_nam), RD_I_VAL, info);
 135            break;
 136         }
 137
 138         info.u_str=rrd.pdp_prep[i].last_ds;
 139         cd=push(cd,sprintf_alloc("ds[%s].last_ds",          rrd.ds_def[i].ds_nam), RD_I_STR, info);
 140
 141         info.u_val=rrd.pdp_prep[i].scratch[PDP_val].u_val;
 142         cd=push(cd,sprintf_alloc("ds[%s].value",            rrd.ds_def[i].ds_nam), RD_I_VAL, info);
 143
 144         info.u_cnt=rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt;
 145         cd=push(cd,sprintf_alloc("ds[%s].unknown_sec",      rrd.ds_def[i].ds_nam), RD_I_CNT, info);
 146     }
 147
 148     for(i=0;i<rrd.stat_head->rra_cnt;i++){
 149         info.u_str=rrd.rra_def[i].cf_nam;
 150         cd=push(cd,sprintf_alloc("rra[%d].cf",         i),  RD_I_STR,   info);
 151         current_cf = cf_conv(rrd.rra_def[i].cf_nam);
 152
 153         info.u_cnt=rrd.rra_def[i].row_cnt;
 154         cd=push(cd,sprintf_alloc("rra[%d].rows",i),  RD_I_CNT,   info);
 155
 156         info.u_cnt=rrd.rra_def[i].pdp_cnt;
 157         cd=push(cd,sprintf_alloc("rra[%d].pdp_per_row",i),  RD_I_CNT,   info);
 158
 159         switch(current_cf)
 160         {
 161            case CF_HWPREDICT:
 162                   info.u_val=rrd.rra_def[i].par[RRA_hw_alpha].u_val;
 163                   cd=push(cd,sprintf_alloc("rra[%d].alpha",i),RD_I_VAL,info);
 164                   info.u_val=rrd.rra_def[i].par[RRA_hw_beta].u_val;
 165                   cd=push(cd,sprintf_alloc("rra[%d].beta",i),RD_I_VAL,info);
 166                   break;
 167            case CF_SEASONAL:
 168            case CF_DEVSEASONAL:
 169                   info.u_val=rrd.rra_def[i].par[RRA_seasonal_gamma].u_val;
 170                   cd=push(cd,sprintf_alloc("rra[%d].gamma",i),RD_I_VAL,info);
 171                   break;
 172            case CF_FAILURES:
 173                   info.u_val=rrd.rra_def[i].par[RRA_delta_pos].u_val;
 174                   cd=push(cd,sprintf_alloc("rra[%d].delta_pos",i),RD_I_VAL,info);
 175                   info.u_val=rrd.rra_def[i].par[RRA_delta_neg].u_val;
 176                   cd=push(cd,sprintf_alloc("rra[%d].delta_neg",i),RD_I_VAL,info);
 177                   info.u_cnt=rrd.rra_def[i].par[RRA_failure_threshold].u_cnt;
 178                   cd=push(cd,sprintf_alloc("rra[%d].failure_threshold",i),RD_I_CNT,info);
 179                   info.u_cnt=rrd.rra_def[i].par[RRA_window_len].u_cnt;
 180                   cd=push(cd,sprintf_alloc("rra[%d].window_length",i),RD_I_CNT,info);
 181                   break;
 182            case CF_DEVPREDICT:
 183                   break;
 184            default:
 185                   info.u_val=rrd.rra_def[i].par[RRA_cdp_xff_val].u_val;
 186                   cd=push(cd,sprintf_alloc("rra[%d].xff",i),RD_I_VAL,info);
 187                   break;
 188         }
 189
 190         for(ii=0;ii<rrd.stat_head->ds_cnt;ii++){
 191         switch(current_cf)
 192                 {
 193                 case CF_HWPREDICT:
 194             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_intercept].u_val;
 195             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].intercept",i,ii), RD_I_VAL, info);
 196             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_slope].u_val;
 197             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].slope",i,ii), RD_I_VAL, info);
 198             info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_null_count].u_cnt;
 199             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].NaN_count",i,ii), RD_I_CNT, info);
 200                    break;
 201                 case CF_SEASONAL:
 202             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_hw_seasonal].u_val;
 203             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].seasonal",i,ii), RD_I_VAL, info);
 204                    break;
 205                 case CF_DEVSEASONAL:
 206             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_seasonal_deviation].u_val;
 207             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].deviation",i,ii), RD_I_VAL, info);
 208                    break;
 209                 case CF_DEVPREDICT:
 210                    break;
 211                 case CF_FAILURES:
 212                    {
 213                           unsigned short j;
 214                           char *violations_array;
 215                           char history[MAX_FAILURES_WINDOW_LEN+1];
 216                           violations_array = (char*) rrd.cdp_prep[i*rrd.stat_head->ds_cnt +ii].scratch;
 217                           for (j = 0; j < rrd.rra_def[i].par[RRA_window_len].u_cnt; ++j)
 218                                  history[j] = (violations_array[j] == 1) ? '1' : '0';
 219                       history[j] = '\0';
 220                       info.u_str = history;
 221                           cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].history",i,ii), RD_I_STR, info);
 222                    }
 223                    break;
 224                 default:
 225             info.u_val=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_val].u_val;
 226             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].value",i,ii), RD_I_VAL, info);
 227             info.u_cnt=rrd.cdp_prep[i*rrd.stat_head->ds_cnt+ii].scratch[CDP_unkn_pdp_cnt].u_cnt;
 228             cd=push(cd,sprintf_alloc("rra[%d].cdp_prep[%d].unknown_datapoints",i,ii), RD_I_CNT, info);
 229                    break;
 230         }
 231     }
 232         }
 233         rrd_free(&rrd);
 234     return(data);
 235
 236 }