src/rrd_restore.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.11  Copyright by Tobi Oetiker, 1997-2005
   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 #if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
  12 #include <io.h>
  13 #define open _open
  14 #define close _close
  15 #endif
  16
  17 /* Prototypes */
  18
  19 void xml_lc(char*);
  20 int skip(char **);
  21 int eat_tag(char **, char *);
  22 int read_tag(char **, char *, char *, void *);
  23 int xml2rrd(char*, rrd_t*, char);
  24 int rrd_write(char *, rrd_t *, char);
  25 void parse_patch1028_RRA_params(char **buf, rrd_t *rrd, int rra_index);
  26 void parse_patch1028_CDP_params(char **buf, rrd_t *rrd, int rra_index, int ds_index);
  27 void parse_FAILURES_history(char **buf, rrd_t *rrd, int rra_index, int ds_index);
  28
  29 /* convert all occurrences of <BlaBlaBla> to <blablabla> */
  30
  31 void xml_lc(char* buf){
  32   int intag=0;
  33   while((*buf)){
  34     if (intag ==0 && (*buf) == '<') {
  35       intag = 1;
  36     }
  37     else if (intag ==1 && (*buf) == '>') {
  38       intag = 0;
  39       continue;
  40     } else  if (intag ==1) {
  41       *buf = tolower(*buf);
  42     }
  43     buf++;
  44   }
  45 }
  46
  47 int skip(char **buf){
  48   char *ptr;
  49   ptr=(*buf);
  50   do {
  51     (*buf)=ptr;
  52     while((*(ptr+1)) && ((*ptr)==' ' ||  (*ptr)=='\r' || (*ptr)=='\n' || (*ptr)=='\t')) ptr++;
  53     if (strncmp(ptr,"<!--",4) == 0) {
  54       ptr= strstr(ptr,"-->");
  55       if (ptr) ptr+=3; else {
  56         rrd_set_error("Dangling Comment");
  57         (*buf) = NULL;
  58         return -1;
  59       }
  60     }
  61   } while ((*buf)!=ptr);
  62   return 1;
  63 }
  64
  65 int eat_tag(char **buf, char *tag){
  66   if ((*buf)==NULL) return -1;   /* fall though clause */
  67
  68   rrd_clear_error();
  69   skip(buf);
  70   if ((**buf)=='<'
  71       && strncmp((*buf)+1,tag,strlen(tag)) == 0
  72       && *((*buf)+strlen(tag)+1)=='>') {
  73     (*buf) += strlen(tag)+2;
  74   }
  75   else {
  76     rrd_set_error("No <%s> tag found",tag);
  77     (*buf) = NULL;
  78     return -1;
  79   }
  80   skip(buf);
  81   return 1;
  82 }
  83
  84 int read_tag(char **buf, char *tag, char *format, void *value){
  85     char *end_tag;
  86     int matches;
  87     if ((*buf)==NULL) return -1;   /* fall though clause */
  88     rrd_clear_error();
  89     if (eat_tag(buf,tag)==1){
  90         char *temp;
  91         temp = (*buf);
  92         while(*((*buf)+1) && (*(*buf) != '<')) (*buf)++; /*find start of endtag*/
  93         *(*buf) = '\0';
  94         matches =sscanf(temp,format,value);
  95         *(*buf) = '<';
  96         end_tag = malloc((strlen(tag)+2)*sizeof(char));
  97         sprintf(end_tag,"/%s",tag);
  98         eat_tag(buf,end_tag);
  99         free(end_tag);
 100         if (matches == 0 && strcmp(format,"%lf") == 0)
 101             (*((double* )(value))) = DNAN;
 102         if (matches != 1)       return 0;
 103         return 1;
 104     }
 105     return -1;
 106 }
 107
 108
 109 /* parse the data stored in buf and return a filled rrd structure */
 110 int xml2rrd(char* buf, rrd_t* rrd, char rc){
 111   /* pass 1 identify number of RRAs  */
 112   char *ptr,*ptr2,*ptr3; /* walks thought the buffer */
 113   long rows=0,mempool=0,i=0;
 114   int rra_index;
 115   xml_lc(buf); /* lets lowercase all active parts of the xml */
 116   ptr=buf;
 117   ptr2=buf;
 118   ptr3=buf;
 119   /* start with an RRD tag */
 120
 121   eat_tag(&ptr,"rrd");
 122   /* allocate static header */
 123   if((rrd->stat_head = calloc(1,sizeof(stat_head_t)))==NULL){
 124     rrd_set_error("allocating rrd.stat_head");
 125     return -1;
 126   };
 127
 128   strcpy(rrd->stat_head->cookie,RRD_COOKIE);
 129   read_tag(&ptr,"version","%4[0-9]",rrd->stat_head->version);
 130   /* added primitive version checking */
 131   if (atoi(rrd -> stat_head -> version) > atoi(RRD_VERSION) )
 132   {
 133     rrd_set_error("Incompatible file version, detected version %s is bigger than supported version %s\n",
 134                   rrd -> stat_head -> version, RRD_VERSION );
 135     return -1;
 136   }
 137   if (atoi(rrd -> stat_head -> version) < 2)
 138   {
 139     rrd_set_error("Can only restore version >= 2 (Not %s). Dump your old rrd using a current rrdtool dump.",  rrd -> stat_head -> version );
 140     return -1;
 141   }
 142   rrd->stat_head->float_cookie = FLOAT_COOKIE;
 143   rrd->stat_head->ds_cnt = 0;
 144   rrd->stat_head->rra_cnt = 0;
 145   read_tag(&ptr,"step","%lu",&(rrd->stat_head->pdp_step));
 146
 147   /* allocate live head */
 148   if((rrd->live_head = calloc(1,sizeof(live_head_t)))==NULL){
 149     rrd_set_error("allocating rrd.live_head");
 150     return -1;
 151   }
 152   read_tag(&ptr,"lastupdate","%lu",&(rrd->live_head->last_up));
 153
 154   /* Data Source Definition Part */
 155   ptr2 = ptr;
 156   while (eat_tag(&ptr2,"ds") == 1){
 157       rrd->stat_head->ds_cnt++;
 158       if((rrd->ds_def = rrd_realloc(rrd->ds_def,rrd->stat_head->ds_cnt*sizeof(ds_def_t)))==NULL){
 159           rrd_set_error("allocating rrd.ds_def");
 160           return -1;
 161       };
 162       /* clean out memory to make sure no data gets stored from previous tasks */
 163       memset(&(rrd->ds_def[rrd->stat_head->ds_cnt-1]), 0, sizeof(ds_def_t));
 164       if((rrd->pdp_prep = rrd_realloc(rrd->pdp_prep,rrd->stat_head->ds_cnt
 165                                   *sizeof(pdp_prep_t)))==NULL){
 166         rrd_set_error("allocating pdp_prep");
 167         return(-1);
 168       }
 169       /* clean out memory to make sure no data gets stored from previous tasks */
 170       memset(&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1]), 0, sizeof(pdp_prep_t));
 171
 172       read_tag(&ptr2,"name",DS_NAM_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].ds_nam);
 173
 174       read_tag(&ptr2,"type",DST_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].dst);
 175       /* test for valid type */
 176       if( (int)dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) == -1) return -1;
 177
 178           if (dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) != DST_CDEF)
 179           {
 180       read_tag(&ptr2,"minimal_heartbeat","%lu",
 181                &(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_mrhb_cnt].u_cnt));
 182       read_tag(&ptr2,"min","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_min_val].u_val));
 183       read_tag(&ptr2,"max","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_max_val].u_val));
 184           } else { /* DST_CDEF */
 185                  char buffer[1024];
 186              read_tag(&ptr2,"cdef","%s",buffer);
 187                  parseCDEF_DS(buffer,rrd,rrd -> stat_head -> ds_cnt - 1);
 188           }
 189
 190       read_tag(&ptr2,"last_ds","%30s",rrd->pdp_prep[rrd->stat_head->ds_cnt-1].last_ds);
 191       read_tag(&ptr2,"value","%lf",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_val].u_val));
 192       read_tag(&ptr2,"unknown_sec","%lu",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_unkn_sec_cnt].u_cnt));
 193       eat_tag(&ptr2,"/ds");
 194       ptr=ptr2;
 195   }
 196
 197   ptr2 = ptr;
 198   while (eat_tag(&ptr2,"rra") == 1){
 199       rrd->stat_head->rra_cnt++;
 200
 201       /* allocate and reset rra definition areas */
 202       if((rrd->rra_def = rrd_realloc(rrd->rra_def,rrd->stat_head->rra_cnt*sizeof(rra_def_t)))==NULL){
 203           rrd_set_error("allocating rra_def"); return -1; }
 204       memset(&(rrd->rra_def[rrd->stat_head->rra_cnt-1]), 0, sizeof(rra_def_t));
 205
 206       /* allocate and reset consolidation point areas */
 207       if((rrd->cdp_prep = rrd_realloc(rrd->cdp_prep,
 208                                   rrd->stat_head->rra_cnt
 209                                   *rrd->stat_head->ds_cnt*sizeof(cdp_prep_t)))==NULL){
 210           rrd_set_error("allocating cdp_prep"); return -1; }
 211
 212       memset(&(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rrd->stat_head->rra_cnt-1)]),
 213              0, rrd->stat_head->ds_cnt*sizeof(cdp_prep_t));
 214
 215
 216       read_tag(&ptr2,"cf",CF_NAM_FMT,rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam);
 217       /* test for valid type */
 218       if( (int)cf_conv(rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam) == -1) return -1;
 219
 220       read_tag(&ptr2,"pdp_per_row","%lu",&(rrd->rra_def[rrd->stat_head->rra_cnt-1].pdp_cnt));
 221       /* support to read RRA parameters */
 222       eat_tag(&ptr2, "params");
 223       skip(&ptr2);
 224       rra_index = rrd->stat_head->rra_cnt - 1;
 225       /* backwards compatibility w/ old patch */
 226       if (strncmp(ptr2, "<value>",7) == 0) {
 227          parse_patch1028_RRA_params(&ptr2,rrd,rra_index);
 228       } else {
 229       switch(cf_conv(rrd -> rra_def[rra_index].cf_nam)) {
 230       case CF_HWPREDICT:
 231          read_tag(&ptr2, "hw_alpha", "%lf",
 232             &(rrd->rra_def[rra_index].par[RRA_hw_alpha].u_val));
 233          read_tag(&ptr2, "hw_beta", "%lf",
 234             &(rrd->rra_def[rra_index].par[RRA_hw_beta].u_val));
 235          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 236             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 237          break;
 238       case CF_SEASONAL:
 239       case CF_DEVSEASONAL:
 240          read_tag(&ptr2, "seasonal_gamma", "%lf",
 241             &(rrd->rra_def[rra_index].par[RRA_seasonal_gamma].u_val));
 242          read_tag(&ptr2, "seasonal_smooth_idx", "%lu",
 243             &(rrd->rra_def[rra_index].par[RRA_seasonal_smooth_idx].u_cnt));
 244          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 245             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 246          break;
 247       case CF_FAILURES:
 248          read_tag(&ptr2, "delta_pos", "%lf",
 249             &(rrd->rra_def[rra_index].par[RRA_delta_pos].u_val));
 250          read_tag(&ptr2, "delta_neg", "%lf",
 251             &(rrd->rra_def[rra_index].par[RRA_delta_neg].u_val));
 252          read_tag(&ptr2, "window_len", "%lu",
 253             &(rrd->rra_def[rra_index].par[RRA_window_len].u_cnt));
 254          read_tag(&ptr2, "failure_threshold", "%lu",
 255             &(rrd->rra_def[rra_index].par[RRA_failure_threshold].u_cnt));
 256          /* fall thru */
 257       case CF_DEVPREDICT:
 258          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 259             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 260          break;
 261       case CF_AVERAGE:
 262       case CF_MAXIMUM:
 263       case CF_MINIMUM:
 264       case CF_LAST:
 265       default:
 266          read_tag(&ptr2, "xff","%lf",
 267             &(rrd->rra_def[rra_index].par[RRA_cdp_xff_val].u_val));
 268       }
 269       }
 270       eat_tag(&ptr2, "/params");
 271       eat_tag(&ptr2,"cdp_prep");
 272       for(i=0;i< (int)rrd->stat_head->ds_cnt;i++)
 273       {
 274       eat_tag(&ptr2,"ds");
 275       /* support to read CDP parameters */
 276       rra_index = rrd->stat_head->rra_cnt-1;
 277       skip(&ptr2);
 278       if (strncmp(ptr2, "<value>",7) == 0) {
 279          parse_patch1028_CDP_params(&ptr2,rrd,rra_index,i);
 280       } else {
 281          read_tag(&ptr2, "primary_value","%lf",
 282                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 283                +i].scratch[CDP_primary_val].u_val));
 284          read_tag(&ptr2, "secondary_value","%lf",
 285                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 286                +i].scratch[CDP_secondary_val].u_val));
 287          switch(cf_conv(rrd->rra_def[rra_index].cf_nam)) {
 288          case CF_HWPREDICT:
 289             read_tag(&ptr2,"intercept","%lf",
 290                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 291                +i].scratch[CDP_hw_intercept].u_val));
 292             read_tag(&ptr2,"last_intercept","%lf",
 293                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 294                +i].scratch[CDP_hw_last_intercept].u_val));
 295             read_tag(&ptr2,"slope","%lf",
 296                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 297                +i].scratch[CDP_hw_slope].u_val));
 298             read_tag(&ptr2,"last_slope","%lf",
 299                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 300                +i].scratch[CDP_hw_last_slope].u_val));
 301             read_tag(&ptr2,"nan_count","%lu",
 302                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 303                +i].scratch[CDP_null_count].u_cnt));
 304             read_tag(&ptr2,"last_nan_count","%lu",
 305                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 306                +i].scratch[CDP_last_null_count].u_cnt));
 307             break;
 308          case CF_SEASONAL:
 309          case CF_DEVSEASONAL:
 310             read_tag(&ptr2,"seasonal","%lf",
 311                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 312                +i].scratch[CDP_hw_seasonal].u_val));
 313             read_tag(&ptr2,"last_seasonal","%lf",
 314                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 315                +i].scratch[CDP_hw_last_seasonal].u_val));
 316             read_tag(&ptr2,"init_flag","%lu",
 317                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 318                +i].scratch[CDP_init_seasonal].u_cnt));
 319             break;
 320          case CF_DEVPREDICT:
 321             break;
 322          case CF_FAILURES:
 323             parse_FAILURES_history(&ptr2,rrd,rra_index,i);
 324             break;
 325          case CF_AVERAGE:
 326          case CF_MAXIMUM:
 327          case CF_MINIMUM:
 328          case CF_LAST:
 329          default:
 330             read_tag(&ptr2,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 331                *(rra_index) +i].scratch[CDP_val].u_val));
 332             read_tag(&ptr2,"unknown_datapoints","%lu",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 333                *(rra_index) +i].scratch[CDP_unkn_pdp_cnt].u_cnt));
 334             break;
 335          }
 336       }
 337       eat_tag(&ptr2,"/ds");
 338       }
 339       eat_tag(&ptr2,"/cdp_prep");
 340       rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt=0;
 341       eat_tag(&ptr2,"database");
 342       ptr3 = ptr2;
 343       while (eat_tag(&ptr3,"row") == 1){
 344
 345           if(mempool==0){
 346             mempool = 1000;
 347             if((rrd->rrd_value = rrd_realloc(rrd->rrd_value,
 348                                          (rows+mempool)*(rrd->stat_head->ds_cnt)
 349                                          *sizeof(rrd_value_t)))==NULL) {
 350               rrd_set_error("allocating rrd_values"); return -1; }
 351           }
 352           rows++;
 353           mempool--;
 354           rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt++;
 355           for(i=0;i< (int)rrd->stat_head->ds_cnt;i++){
 356
 357                   rrd_value_t  * value = &(rrd->rrd_value[(rows-1)*rrd->stat_head->ds_cnt+i]);
 358
 359                   read_tag(&ptr3,"v","%lf", value);
 360
 361                   if (
 362                           (rc == 1)                     /* do we have to check for the ranges */
 363                           &&
 364                       (!isnan(*value))  /* not a NAN value */
 365                       &&
 366                           (dst_conv(rrd->ds_def[i].dst) != DST_CDEF)
 367                           &&
 368                       (                                 /* min defined and in the range ? */
 369                           (!isnan(rrd->ds_def[i].par[DS_min_val].u_val)
 370                                 && (*value < rrd->ds_def[i].par[DS_min_val].u_val))
 371                           ||                            /* max defined and in the range ? */
 372                           (!isnan(rrd->ds_def[i].par[DS_max_val].u_val)
 373                                 && (*value > rrd->ds_def[i].par[DS_max_val].u_val))
 374                       )
 375                   ) {
 376                       fprintf (stderr, "out of range found [ds: %lu], [value : %0.10e]\n", i, *value);
 377                       *value = DNAN;
 378                   }
 379           }
 380           eat_tag(&ptr3,"/row");
 381           ptr2=ptr3;
 382       }
 383       eat_tag(&ptr2,"/database");
 384       eat_tag(&ptr2,"/rra");
 385       ptr=ptr2;
 386   }
 387   eat_tag(&ptr,"/rrd");
 388
 389   if((rrd->rra_ptr = calloc(1,sizeof(rra_ptr_t)*rrd->stat_head->rra_cnt)) == NULL) {
 390       rrd_set_error("allocating rra_ptr");
 391       return(-1);
 392   }
 393
 394   for(i=0; i < (int)rrd->stat_head->rra_cnt; i++) {
 395           /* last row in the xml file is the most recent; as
 396            * rrd_update increments the current row pointer, set cur_row
 397            * here to the last row. */
 398       rrd->rra_ptr[i].cur_row = rrd->rra_def[i].row_cnt-1;
 399   }
 400   if (ptr==NULL)
 401       return -1;
 402   return 1;
 403 }
 404
 405
 406
 407
 408
 409 /* create and empty rrd file according to the specs given */
 410
 411 int
 412 rrd_write(char *file_name, rrd_t *rrd, char force_overwrite)
 413 {
 414     unsigned long    i,ii,val_cnt;
 415     FILE             *rrd_file=NULL;
 416     int                 fdflags;
 417     int                 fd;
 418
 419     if (strcmp("-",file_name)==0){
 420       rrd_file= stdout;
 421     } else {
 422 #if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
 423       fdflags = O_RDWR|O_BINARY|O_CREAT;
 424 #else
 425       fdflags = O_WRONLY|O_CREAT;
 426 #endif
 427       if (force_overwrite == 0) {
 428         fdflags |= O_EXCL;
 429       }
 430       fd = open(file_name,fdflags,0666);
 431       if (fd == -1 || (rrd_file = fdopen(fd,"wb")) == NULL) {
 432         rrd_set_error("creating '%s': %s",file_name,rrd_strerror(errno));
 433         if (fd != -1)
 434           close(fd);
 435         return(-1);
 436       }
 437     }
 438     fwrite(rrd->stat_head,
 439            sizeof(stat_head_t), 1, rrd_file);
 440
 441     fwrite(rrd->ds_def,
 442            sizeof(ds_def_t), rrd->stat_head->ds_cnt, rrd_file);
 443
 444     fwrite(rrd->rra_def,
 445            sizeof(rra_def_t), rrd->stat_head->rra_cnt, rrd_file);
 446
 447          /* maybe the xml hold an old formatted rrd */
 448     if (atoi(rrd->stat_head->version) < 3)
 449       fwrite(&(rrd->live_head->last_up), sizeof(long),1, rrd_file);
 450     else
 451       fwrite(rrd->live_head, sizeof(live_head_t),1, rrd_file);
 452
 453     fwrite( rrd->pdp_prep, sizeof(pdp_prep_t),rrd->stat_head->ds_cnt,rrd_file);
 454
 455     fwrite( rrd->cdp_prep, sizeof(cdp_prep_t),rrd->stat_head->rra_cnt*
 456             rrd->stat_head->ds_cnt,rrd_file);
 457     fwrite( rrd->rra_ptr, sizeof(rra_ptr_t), rrd->stat_head->rra_cnt,rrd_file);
 458
 459
 460
 461     /* calculate the number of rrd_values to dump */
 462     val_cnt=0;
 463     for(i=0; i <  rrd->stat_head->rra_cnt; i++)
 464         for(ii=0; ii <  rrd->rra_def[i].row_cnt * rrd->stat_head->ds_cnt;ii++)
 465             val_cnt++;
 466     fwrite( rrd->rrd_value, sizeof(rrd_value_t),val_cnt,rrd_file);
 467
 468     /* lets see if we had an error */
 469     if(ferror(rrd_file)){
 470         rrd_set_error("a file error occurred while creating '%s'",file_name);
 471         fclose(rrd_file);
 472         return(-1);
 473     }
 474
 475     fclose(rrd_file);
 476     return 0;
 477 }
 478
 479
 480 int
 481 rrd_restore(int argc, char **argv)
 482 {
 483     rrd_t          rrd;
 484     char          *buf;
 485         char                    rc = 0;
 486         char                    force_overwrite = 0;
 487
 488     /* init rrd clean */
 489     optind = 0; opterr = 0;  /* initialize getopt */
 490     rrd_init(&rrd);
 491     if (argc<3) {
 492                 rrd_set_error("usage rrdtool %s [--range-check/-r] [--force-overwrite/-f] file.xml file.rrd",argv[0]);
 493                 return -1;
 494     }
 495
 496         while (1) {
 497                 static struct option long_options[] =
 498                 {
 499                         {"range-check",      required_argument, 0,  'r'},
 500                         {"force-overwrite",     required_argument, 0,   'f'},
 501                         {0,0,0,0}
 502                 };
 503                 int option_index = 0;
 504                 int opt;
 505
 506
 507                 opt = getopt_long(argc, argv, "r:f", long_options, &option_index);
 508
 509                 if (opt == EOF)
 510                         break;
 511
 512                 switch(opt) {
 513                 case 'r':
 514                         rc=1;
 515                         break;
 516                 case 'f':
 517                         force_overwrite=1;
 518                         break;
 519                 default:
 520                         rrd_set_error("usage rrdtool %s [--range-check|-r] [--force-overwrite/-f]  file.xml file.rrd",argv[0]);
 521                         return -1;
 522                         break;
 523                 }
 524     }
 525
 526     if (readfile(argv[optind],&buf,0)==-1){
 527       return -1;
 528     }
 529     if (xml2rrd(buf,&rrd,rc)==-1) {
 530         rrd_free(&rrd);
 531         free(buf);
 532         return -1;
 533     }
 534     free(buf);
 535     if(rrd_write(argv[optind+1],&rrd,force_overwrite)==-1){
 536         rrd_free(&rrd);
 537         return -1;
 538     };
 539     rrd_free(&rrd);
 540     return 0;
 541 }
 542
 543 /* a backwards compatibility routine that will parse the RRA params section
 544  * generated by the aberrant patch to 1.0.28. */
 545
 546 void
 547 parse_patch1028_RRA_params(char **buf, rrd_t *rrd, int rra_index)
 548 {
 549    int i;
 550    for (i = 0; i < MAX_RRA_PAR_EN; i++)
 551    {
 552    if (i == RRA_dependent_rra_idx ||
 553        i == RRA_seasonal_smooth_idx ||
 554        i == RRA_failure_threshold)
 555       read_tag(buf, "value","%lu",
 556          &(rrd->rra_def[rra_index].par[i].u_cnt));
 557    else
 558       read_tag(buf, "value","%lf",
 559          &(rrd->rra_def[rra_index].par[i].u_val));
 560    }
 561 }
 562
 563 /* a backwards compatibility routine that will parse the CDP params section
 564  * generated by the aberrant patch to 1.0.28. */
 565 void
 566 parse_patch1028_CDP_params(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 567 {
 568    int ii;
 569    for (ii = 0; ii < MAX_CDP_PAR_EN; ii++)
 570    {
 571    if (cf_conv(rrd->rra_def[rra_index].cf_nam) == CF_FAILURES ||
 572        ii == CDP_unkn_pdp_cnt ||
 573        ii == CDP_null_count ||
 574        ii == CDP_last_null_count)
 575    {
 576       read_tag(buf,"value","%lu",
 577        &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index) + ds_index].scratch[ii].u_cnt));
 578    } else {
 579       read_tag(buf,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt*
 580        (rra_index) + ds_index].scratch[ii].u_val));
 581    }
 582    }
 583 }
 584
 585 void
 586 parse_FAILURES_history(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 587 {
 588    char history[MAX_FAILURES_WINDOW_LEN + 1];
 589    char *violations_array;
 590    unsigned short i;
 591
 592    /* 28 = MAX_FAILURES_WINDOW_LEN */
 593    read_tag(buf, "history", "%28[0-1]", history);
 594    violations_array = (char*) rrd -> cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 595       + ds_index].scratch;
 596
 597    for (i = 0; i < rrd -> rra_def[rra_index].par[RRA_window_len].u_cnt; ++i)
 598       violations_array[i] = (history[i] == '1') ? 1 : 0;
 599
 600 }