src/rrd_restore.c

   1 /*****************************************************************************
   2  * RRDtool 1.1.x  Copyright Tobias Oetiker, 1997 - 2002
   3  *****************************************************************************
   4  * rrd_restore.c  creates new rrd from data dumped by rrd_dump.c
   5  *****************************************************************************/
   6
   7 #include "rrd_tool.h"
   8 #include "rrd_rpncalc.h"
   9 #include <fcntl.h>
  10
  11 /* Prototypes */
  12
  13 void xml_lc(char*);
  14 int skip(char **);
  15 int eat_tag(char **, char *);
  16 int read_tag(char **, char *, char *, void *);
  17 int xml2rrd(char*, rrd_t*, char);
  18 int rrd_write(char *, rrd_t *);
  19 void parse_patch1028_RRA_params(char **buf, rrd_t *rrd, int rra_index);
  20 void parse_patch1028_CDP_params(char **buf, rrd_t *rrd, int rra_index, int ds_index);
  21 void parse_FAILURES_history(char **buf, rrd_t *rrd, int rra_index, int ds_index);
  22
  23 /* convert all ocurances of <BlaBlaBla> to <blablabla> */
  24
  25 void xml_lc(char* buf){
  26   int intag=0;
  27   while((*buf)){
  28     if (intag ==0 && (*buf) == '<') {
  29       intag = 1;
  30     }
  31     else if (intag ==1 && (*buf) == '>') {
  32       intag = 0;
  33       continue;
  34     } else  if (intag ==1) {
  35       *buf = tolower(*buf);
  36     }
  37     buf++;
  38   }
  39 }
  40
  41 int skip(char **buf){
  42   char *ptr;
  43   ptr=(*buf);
  44   do {
  45     (*buf)=ptr;
  46     while((*(ptr+1)) && ((*ptr)==' ' ||  (*ptr)=='\r' || (*ptr)=='\n' || (*ptr)=='\t')) ptr++;
  47     if (strncmp(ptr,"<!--",4) == 0) {
  48       ptr= strstr(ptr,"-->");
  49       if (ptr) ptr+=3; else {
  50         rrd_set_error("Dangling Comment");
  51         (*buf) = NULL;
  52         return -1;
  53       }
  54     }
  55   } while ((*buf)!=ptr);
  56   return 1;
  57 }
  58
  59 int eat_tag(char **buf, char *tag){
  60   if ((*buf)==NULL) return -1;   /* fall though clause */
  61
  62   rrd_clear_error();
  63   skip(buf);
  64   if ((**buf)=='<'
  65       && strncmp((*buf)+1,tag,strlen(tag)) == 0
  66       && *((*buf)+strlen(tag)+1)=='>') {
  67     (*buf) += strlen(tag)+2;
  68   }
  69   else {
  70     rrd_set_error("No <%s> tag found",tag);
  71     (*buf) = NULL;
  72     return -1;
  73   }
  74   skip(buf);
  75   return 1;
  76 }
  77
  78 int read_tag(char **buf, char *tag, char *format, void *value){
  79     char *end_tag;
  80     int matches;
  81     if ((*buf)==NULL) return -1;   /* fall though clause */
  82     rrd_clear_error();
  83     if (eat_tag(buf,tag)==1){
  84         char *temp;
  85         temp = (*buf);
  86         while(*((*buf)+1) && (*(*buf) != '<')) (*buf)++; /*find start of endtag*/
  87         *(*buf) = '\0';
  88         matches =sscanf(temp,format,value);
  89         *(*buf) = '<';
  90         end_tag = malloc((strlen(tag)+2)*sizeof(char));
  91         sprintf(end_tag,"/%s",tag);
  92         eat_tag(buf,end_tag);
  93         free(end_tag);
  94         if (matches == 0 && strcmp(format,"%lf") == 0)
  95             (*((double* )(value))) = DNAN;
  96         if (matches != 1)       return 0;
  97         return 1;
  98     }
  99     return -1;
 100 }
 101
 102
 103 /* parse the data stored in buf and return a filled rrd structure */
 104 int xml2rrd(char* buf, rrd_t* rrd, char rc){
 105   /* pass 1 identify number of RRAs  */
 106   char *ptr,*ptr2,*ptr3; /* walks thought the buffer */
 107   long rows=0,mempool=0,i=0;
 108   int rra_index;
 109   xml_lc(buf); /* lets lowercase all active parts of the xml */
 110   ptr=buf;
 111   ptr2=buf;
 112   ptr3=buf;
 113   /* start with an RRD tag */
 114
 115   eat_tag(&ptr,"rrd");
 116   /* allocate static header */
 117   if((rrd->stat_head = calloc(1,sizeof(stat_head_t)))==NULL){
 118     rrd_set_error("allocating rrd.stat_head");
 119     return -1;
 120   };
 121
 122   strcpy(rrd->stat_head->cookie,RRD_COOKIE);
 123   read_tag(&ptr,"version","%4[0-9]",rrd->stat_head->version);
 124   /* added primitive version checking */
 125   if (atoi(rrd -> stat_head -> version) != 2)
 126   {
 127     rrd_set_error("Incompatible file version, detected version %s, required version %s\n",
 128                   rrd -> stat_head -> version, RRD_VERSION);
 129     free(rrd -> stat_head);
 130     return -1;
 131   }
 132   rrd->stat_head->float_cookie = FLOAT_COOKIE;
 133   rrd->stat_head->ds_cnt = 0;
 134   rrd->stat_head->rra_cnt = 0;
 135   read_tag(&ptr,"step","%lu",&(rrd->stat_head->pdp_step));
 136
 137   /* allocate live head */
 138   if((rrd->live_head = calloc(1,sizeof(live_head_t)))==NULL){
 139     rrd_set_error("allocating rrd.live_head");
 140     return -1;
 141   }
 142   read_tag(&ptr,"lastupdate","%lu",&(rrd->live_head->last_up));
 143
 144   /* Data Source Definition Part */
 145   ptr2 = ptr;
 146   while (eat_tag(&ptr2,"ds") == 1){
 147       rrd->stat_head->ds_cnt++;
 148       if((rrd->ds_def = rrd_realloc(rrd->ds_def,rrd->stat_head->ds_cnt*sizeof(ds_def_t)))==NULL){
 149           rrd_set_error("allocating rrd.ds_def");
 150           return -1;
 151       };
 152       /* clean out memory to make sure no data gets stored from previous tasks */
 153       memset(&(rrd->ds_def[rrd->stat_head->ds_cnt-1]), 0, sizeof(ds_def_t));
 154       if((rrd->pdp_prep = rrd_realloc(rrd->pdp_prep,rrd->stat_head->ds_cnt
 155                                   *sizeof(pdp_prep_t)))==NULL){
 156         rrd_set_error("allocating pdp_prep");
 157         return(-1);
 158       }
 159       /* clean out memory to make sure no data gets stored from previous tasks */
 160       memset(&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1]), 0, sizeof(pdp_prep_t));
 161
 162       read_tag(&ptr2,"name",DS_NAM_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].ds_nam);
 163
 164       read_tag(&ptr2,"type",DST_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].dst);
 165       /* test for valid type */
 166       if(dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) == -1) return -1;
 167
 168           if (dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) != DST_CDEF)
 169           {
 170       read_tag(&ptr2,"minimal_heartbeat","%lu",
 171                &(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_mrhb_cnt].u_cnt));
 172       read_tag(&ptr2,"min","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_min_val].u_val));
 173       read_tag(&ptr2,"max","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_max_val].u_val));
 174           } else { /* DST_CDEF */
 175                  char buffer[1024];
 176              read_tag(&ptr2,"cdef","%s",buffer);
 177                  parseCDEF_DS(buffer,rrd,rrd -> stat_head -> ds_cnt - 1);
 178           }
 179
 180       read_tag(&ptr2,"last_ds","%30s",rrd->pdp_prep[rrd->stat_head->ds_cnt-1].last_ds);
 181       read_tag(&ptr2,"value","%lf",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_val].u_val));
 182       read_tag(&ptr2,"unknown_sec","%lu",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_unkn_sec_cnt].u_cnt));
 183       eat_tag(&ptr2,"/ds");
 184       ptr=ptr2;
 185   }
 186
 187   ptr2 = ptr;
 188   while (eat_tag(&ptr2,"rra") == 1){
 189       rrd->stat_head->rra_cnt++;
 190
 191       /* alocate and reset rra definition areas */
 192       if((rrd->rra_def = rrd_realloc(rrd->rra_def,rrd->stat_head->rra_cnt*sizeof(rra_def_t)))==NULL){
 193           rrd_set_error("allocating rra_def"); return -1; }
 194       memset(&(rrd->rra_def[rrd->stat_head->rra_cnt-1]), 0, sizeof(rra_def_t));
 195
 196       /* alocate and reset consolidation point areas */
 197       if((rrd->cdp_prep = rrd_realloc(rrd->cdp_prep,
 198                                   rrd->stat_head->rra_cnt
 199                                   *rrd->stat_head->ds_cnt*sizeof(cdp_prep_t)))==NULL){
 200           rrd_set_error("allocating cdp_prep"); return -1; }
 201
 202       memset(&(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rrd->stat_head->rra_cnt-1)]),
 203              0, rrd->stat_head->ds_cnt*sizeof(cdp_prep_t));
 204
 205
 206       read_tag(&ptr2,"cf",CF_NAM_FMT,rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam);
 207       /* test for valid type */
 208       if(cf_conv(rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam) == -1) return -1;
 209
 210       read_tag(&ptr2,"pdp_per_row","%lu",&(rrd->rra_def[rrd->stat_head->rra_cnt-1].pdp_cnt));
 211       /* support to read RRA parameters */
 212       eat_tag(&ptr2, "params");
 213       skip(&ptr2);
 214       rra_index = rrd->stat_head->rra_cnt - 1;
 215       /* backwards compatibility w/ old patch */
 216       if (strncmp(ptr2, "<value>",7) == 0) {
 217          parse_patch1028_RRA_params(&ptr2,rrd,rra_index);
 218       } else {
 219       switch(cf_conv(rrd -> rra_def[rra_index].cf_nam)) {
 220       case CF_HWPREDICT:
 221          read_tag(&ptr2, "hw_alpha", "%lf",
 222             &(rrd->rra_def[rra_index].par[RRA_hw_alpha].u_val));
 223          read_tag(&ptr2, "hw_beta", "%lf",
 224             &(rrd->rra_def[rra_index].par[RRA_hw_beta].u_val));
 225          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 226             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 227          break;
 228       case CF_SEASONAL:
 229       case CF_DEVSEASONAL:
 230          read_tag(&ptr2, "seasonal_gamma", "%lf",
 231             &(rrd->rra_def[rra_index].par[RRA_seasonal_gamma].u_val));
 232          read_tag(&ptr2, "seasonal_smooth_idx", "%lu",
 233             &(rrd->rra_def[rra_index].par[RRA_seasonal_smooth_idx].u_cnt));
 234          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 235             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 236          break;
 237       case CF_FAILURES:
 238          read_tag(&ptr2, "delta_pos", "%lf",
 239             &(rrd->rra_def[rra_index].par[RRA_delta_pos].u_val));
 240          read_tag(&ptr2, "delta_neg", "%lf",
 241             &(rrd->rra_def[rra_index].par[RRA_delta_neg].u_val));
 242          read_tag(&ptr2, "window_len", "%lu",
 243             &(rrd->rra_def[rra_index].par[RRA_window_len].u_cnt));
 244          read_tag(&ptr2, "failure_threshold", "%lu",
 245             &(rrd->rra_def[rra_index].par[RRA_failure_threshold].u_cnt));
 246          /* fall thru */
 247       case CF_DEVPREDICT:
 248          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 249             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 250          break;
 251       case CF_AVERAGE:
 252       case CF_MAXIMUM:
 253       case CF_MINIMUM:
 254       case CF_LAST:
 255       default:
 256          read_tag(&ptr2, "xff","%lf",
 257             &(rrd->rra_def[rra_index].par[RRA_cdp_xff_val].u_val));
 258       }
 259       }
 260       eat_tag(&ptr2, "/params");
 261       eat_tag(&ptr2,"cdp_prep");
 262       for(i=0;i<rrd->stat_head->ds_cnt;i++)
 263       {
 264       eat_tag(&ptr2,"ds");
 265       /* support to read CDP parameters */
 266       rra_index = rrd->stat_head->rra_cnt-1;
 267       skip(&ptr2);
 268       if (strncmp(ptr2, "<value>",7) == 0) {
 269          parse_patch1028_CDP_params(&ptr2,rrd,rra_index,i);
 270       } else {
 271          read_tag(&ptr2, "primary_value","%lf",
 272                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 273                +i].scratch[CDP_primary_val].u_val));
 274          read_tag(&ptr2, "secondary_value","%lf",
 275                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 276                +i].scratch[CDP_secondary_val].u_val));
 277          switch(cf_conv(rrd->rra_def[rra_index].cf_nam)) {
 278          case CF_HWPREDICT:
 279             read_tag(&ptr2,"intercept","%lf",
 280                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 281                +i].scratch[CDP_hw_intercept].u_val));
 282             read_tag(&ptr2,"last_intercept","%lf",
 283                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 284                +i].scratch[CDP_hw_last_intercept].u_val));
 285             read_tag(&ptr2,"slope","%lf",
 286                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 287                +i].scratch[CDP_hw_slope].u_val));
 288             read_tag(&ptr2,"last_slope","%lf",
 289                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 290                +i].scratch[CDP_hw_last_slope].u_val));
 291             read_tag(&ptr2,"nan_count","%lu",
 292                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 293                +i].scratch[CDP_null_count].u_cnt));
 294             read_tag(&ptr2,"last_nan_count","%lu",
 295                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 296                +i].scratch[CDP_last_null_count].u_cnt));
 297             break;
 298          case CF_SEASONAL:
 299          case CF_DEVSEASONAL:
 300             read_tag(&ptr2,"seasonal","%lf",
 301                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 302                +i].scratch[CDP_hw_seasonal].u_val));
 303             read_tag(&ptr2,"last_seasonal","%lf",
 304                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 305                +i].scratch[CDP_hw_last_seasonal].u_val));
 306             read_tag(&ptr2,"init_flag","%lu",
 307                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 308                +i].scratch[CDP_init_seasonal].u_cnt));
 309             break;
 310          case CF_DEVPREDICT:
 311             break;
 312          case CF_FAILURES:
 313             parse_FAILURES_history(&ptr2,rrd,rra_index,i);
 314             break;
 315          case CF_AVERAGE:
 316          case CF_MAXIMUM:
 317          case CF_MINIMUM:
 318          case CF_LAST:
 319          default:
 320             read_tag(&ptr2,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 321                *(rra_index) +i].scratch[CDP_val].u_val));
 322             read_tag(&ptr2,"unknown_datapoints","%lu",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 323                *(rra_index) +i].scratch[CDP_unkn_pdp_cnt].u_cnt));
 324             break;
 325          }
 326       }
 327       eat_tag(&ptr2,"/ds");
 328       }
 329       eat_tag(&ptr2,"/cdp_prep");
 330       rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt=0;
 331       eat_tag(&ptr2,"database");
 332       ptr3 = ptr2;
 333       while (eat_tag(&ptr3,"row") == 1){
 334
 335           if(mempool==0){
 336             mempool = 1000;
 337             if((rrd->rrd_value = rrd_realloc(rrd->rrd_value,
 338                                          (rows+mempool)*(rrd->stat_head->ds_cnt)
 339                                          *sizeof(rrd_value_t)))==NULL) {
 340               rrd_set_error("allocating rrd_values"); return -1; }
 341           }
 342           rows++;
 343           mempool--;
 344           rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt++;
 345           for(i=0;i<rrd->stat_head->ds_cnt;i++){
 346
 347                   rrd_value_t  * value = &(rrd->rrd_value[(rows-1)*rrd->stat_head->ds_cnt+i]);
 348
 349                   read_tag(&ptr3,"v","%lf", value);
 350
 351                   if (
 352                           (rc == 1)                     /* do we have to check for the ranges */
 353                           &&
 354                       (!isnan(*value))  /* not a NAN value */
 355                       &&
 356                           (dst_conv(rrd->ds_def[i].dst) != DST_CDEF)
 357                           &&
 358                       (                                 /* min defined and in the range ? */
 359                           (!isnan(rrd->ds_def[i].par[DS_min_val].u_val)
 360                                 && (*value < rrd->ds_def[i].par[DS_min_val].u_val))
 361                           ||                            /* max defined and in the range ? */
 362                           (!isnan(rrd->ds_def[i].par[DS_max_val].u_val)
 363                                 && (*value > rrd->ds_def[i].par[DS_max_val].u_val))
 364                       )
 365                   ) {
 366                       fprintf (stderr, "out of range found [ds: %lu], [value : %0.10e]\n", i, *value);
 367                       *value = DNAN;
 368                   }
 369           }
 370           eat_tag(&ptr3,"/row");
 371           ptr2=ptr3;
 372       }
 373       eat_tag(&ptr2,"/database");
 374       eat_tag(&ptr2,"/rra");
 375       ptr=ptr2;
 376   }
 377   eat_tag(&ptr,"/rrd");
 378
 379   if((rrd->rra_ptr = calloc(1,sizeof(rra_ptr_t)*rrd->stat_head->rra_cnt)) == NULL) {
 380       rrd_set_error("allocating rra_ptr");
 381       return(-1);
 382   }
 383
 384   for(i=0; i <rrd->stat_head->rra_cnt; i++) {
 385           /* last row in the xml file is the most recent; as
 386            * rrd_update increments the current row pointer, set cur_row
 387            * here to the last row. */
 388       rrd->rra_ptr[i].cur_row = rrd->rra_def[i].row_cnt-1;
 389   }
 390   if (ptr==NULL)
 391       return -1;
 392   return 1;
 393 }
 394
 395
 396
 397
 398
 399 /* create and empty rrd file according to the specs given */
 400
 401 int
 402 rrd_write(char *file_name, rrd_t *rrd)
 403 {
 404     unsigned long    i,ii,val_cnt;
 405     FILE             *rrd_file=NULL;
 406
 407     if (strcmp("-",file_name)==0){
 408       *rrd_file= *stdout;
 409     } else {
 410       int fd = open(file_name,O_RDWR|O_CREAT|O_EXCL);
 411       if (fd == -1 || (rrd_file = fdopen(fd,"wb")) == NULL) {
 412         rrd_set_error("creating '%s': %s",file_name,strerror(errno));
 413         rrd_free(rrd);
 414         if (fd != -1)
 415           close(fd);
 416         return(-1);
 417       }
 418     }
 419     fwrite(rrd->stat_head,
 420            sizeof(stat_head_t), 1, rrd_file);
 421
 422     fwrite(rrd->ds_def,
 423            sizeof(ds_def_t), rrd->stat_head->ds_cnt, rrd_file);
 424
 425     fwrite(rrd->rra_def,
 426            sizeof(rra_def_t), rrd->stat_head->rra_cnt, rrd_file);
 427
 428     fwrite(rrd->live_head, sizeof(live_head_t),1, rrd_file);
 429
 430     fwrite( rrd->pdp_prep, sizeof(pdp_prep_t),rrd->stat_head->ds_cnt,rrd_file);
 431
 432     fwrite( rrd->cdp_prep, sizeof(cdp_prep_t),rrd->stat_head->rra_cnt*
 433             rrd->stat_head->ds_cnt,rrd_file);
 434     fwrite( rrd->rra_ptr, sizeof(rra_ptr_t), rrd->stat_head->rra_cnt,rrd_file);
 435
 436
 437
 438     /* calculate the number of rrd_values to dump */
 439     val_cnt=0;
 440     for(i=0; i <  rrd->stat_head->rra_cnt; i++)
 441         for(ii=0; ii <  rrd->rra_def[i].row_cnt * rrd->stat_head->ds_cnt;ii++)
 442             val_cnt++;
 443     fwrite( rrd->rrd_value, sizeof(rrd_value_t),val_cnt,rrd_file);
 444
 445     /* lets see if we had an error */
 446     if(ferror(rrd_file)){
 447         rrd_set_error("a file error occurred while creating '%s'",file_name);
 448         fclose(rrd_file);
 449         return(-1);
 450     }
 451
 452     fclose(rrd_file);
 453     return 0;
 454 }
 455
 456
 457 int
 458 rrd_restore(int argc, char **argv)
 459 {
 460     rrd_t          rrd;
 461     char          *buf;
 462         char                    rc = 0;
 463
 464     /* init rrd clean */
 465     rrd_init(&rrd);
 466     if (argc<3) {
 467                 rrd_set_error("usage rrdtool %s [--range-check/-r] file.xml file.rrd",argv[0]);
 468                 return -1;
 469     }
 470
 471         while (1) {
 472                 static struct option long_options[] =
 473                 {
 474                         {"range-check",      required_argument, 0,  'r'},
 475                         {0,0,0,0}
 476                 };
 477                 int option_index = 0;
 478                 int opt;
 479
 480
 481                 opt = getopt_long(argc, argv, "r", long_options, &option_index);
 482
 483                 if (opt == EOF)
 484                         break;
 485
 486                 switch(opt) {
 487                 case 'r':
 488                         rc=1;
 489                         break;
 490                 default:
 491                         rrd_set_error("usage rrdtool %s [--range-check|-r] file.xml file.rrd",argv[0]);
 492         return -1;
 493                         break;
 494                 }
 495     }
 496
 497     if (readfile(argv[optind],&buf,0)==-1){
 498       return -1;
 499     }
 500     if (xml2rrd(buf,&rrd,rc)==-1) {
 501         rrd_free(&rrd);
 502         free(buf);
 503         return -1;
 504     }
 505     free(buf);
 506     if(rrd_write(argv[optind+1],&rrd)==-1){
 507         rrd_free(&rrd);
 508         return -1;
 509     };
 510     rrd_free(&rrd);
 511     return 0;
 512 }
 513
 514 /* a backwards compatibility routine that will parse the RRA params section
 515  * generated by the aberrant patch to 1.0.28. */
 516 void
 517 parse_patch1028_RRA_params(char **buf, rrd_t *rrd, int rra_index)
 518 {
 519    int i;
 520    for (i = 0; i < MAX_RRA_PAR_EN; i++)
 521    {
 522    if (i == RRA_dependent_rra_idx ||
 523        i == RRA_seasonal_smooth_idx ||
 524        i == RRA_failure_threshold)
 525       read_tag(buf, "value","%lu",
 526          &(rrd->rra_def[rra_index].par[i].u_cnt));
 527    else
 528       read_tag(buf, "value","%lf",
 529          &(rrd->rra_def[rra_index].par[i].u_val));
 530    }
 531 }
 532
 533 /* a backwards compatibility routine that will parse the CDP params section
 534  * generated by the aberrant patch to 1.0.28. */
 535 void
 536 parse_patch1028_CDP_params(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 537 {
 538    int ii;
 539    for (ii = 0; ii < MAX_CDP_PAR_EN; ii++)
 540    {
 541    if (cf_conv(rrd->rra_def[rra_index].cf_nam) == CF_FAILURES ||
 542        ii == CDP_unkn_pdp_cnt ||
 543        ii == CDP_null_count ||
 544        ii == CDP_last_null_count)
 545    {
 546       read_tag(buf,"value","%lu",
 547        &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index) + ds_index].scratch[ii].u_cnt));
 548    } else {
 549       read_tag(buf,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt*
 550        (rra_index) + ds_index].scratch[ii].u_val));
 551    }
 552    }
 553 }
 554
 555 void
 556 parse_FAILURES_history(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 557 {
 558    char history[MAX_FAILURES_WINDOW_LEN + 1];
 559    char *violations_array;
 560    short i;
 561
 562    /* 28 = MAX_FAILURES_WINDOW_LEN */
 563    read_tag(buf, "history", "%28[0-1]", history);
 564    violations_array = (char*) rrd -> cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 565       + ds_index].scratch;
 566
 567    for (i = 0; i < rrd -> rra_def[rra_index].par[RRA_window_len].u_cnt; ++i)
 568       violations_array[i] = (history[i] == '1') ? 1 : 0;
 569
 570 }