src/rrd_restore.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.4  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     free(rrd -> stat_head);
 136     return -1;
 137   }
 138   if (atoi(rrd -> stat_head -> version) < 2)
 139   {
 140     rrd_set_error("Can only restore version >= 2 (Not %s). Dump your rrd using a current rrdtool dump.",  rrd -> stat_head -> version );
 141     free(rrd -> stat_head);
 142     return -1;
 143   }
 144   rrd->stat_head->float_cookie = FLOAT_COOKIE;
 145   rrd->stat_head->ds_cnt = 0;
 146   rrd->stat_head->rra_cnt = 0;
 147   read_tag(&ptr,"step","%lu",&(rrd->stat_head->pdp_step));
 148
 149   /* allocate live head */
 150   if((rrd->live_head = calloc(1,sizeof(live_head_t)))==NULL){
 151     rrd_set_error("allocating rrd.live_head");
 152     return -1;
 153   }
 154   read_tag(&ptr,"lastupdate","%lu",&(rrd->live_head->last_up));
 155
 156   /* Data Source Definition Part */
 157   ptr2 = ptr;
 158   while (eat_tag(&ptr2,"ds") == 1){
 159       rrd->stat_head->ds_cnt++;
 160       if((rrd->ds_def = rrd_realloc(rrd->ds_def,rrd->stat_head->ds_cnt*sizeof(ds_def_t)))==NULL){
 161           rrd_set_error("allocating rrd.ds_def");
 162           return -1;
 163       };
 164       /* clean out memory to make sure no data gets stored from previous tasks */
 165       memset(&(rrd->ds_def[rrd->stat_head->ds_cnt-1]), 0, sizeof(ds_def_t));
 166       if((rrd->pdp_prep = rrd_realloc(rrd->pdp_prep,rrd->stat_head->ds_cnt
 167                                   *sizeof(pdp_prep_t)))==NULL){
 168         rrd_set_error("allocating pdp_prep");
 169         return(-1);
 170       }
 171       /* clean out memory to make sure no data gets stored from previous tasks */
 172       memset(&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1]), 0, sizeof(pdp_prep_t));
 173
 174       read_tag(&ptr2,"name",DS_NAM_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].ds_nam);
 175
 176       read_tag(&ptr2,"type",DST_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].dst);
 177       /* test for valid type */
 178       if( (int)dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) == -1) return -1;
 179
 180           if (dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) != DST_CDEF)
 181           {
 182       read_tag(&ptr2,"minimal_heartbeat","%lu",
 183                &(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_mrhb_cnt].u_cnt));
 184       read_tag(&ptr2,"min","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_min_val].u_val));
 185       read_tag(&ptr2,"max","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_max_val].u_val));
 186           } else { /* DST_CDEF */
 187                  char buffer[1024];
 188              read_tag(&ptr2,"cdef","%s",buffer);
 189                  parseCDEF_DS(buffer,rrd,rrd -> stat_head -> ds_cnt - 1);
 190           }
 191
 192       read_tag(&ptr2,"last_ds","%30s",rrd->pdp_prep[rrd->stat_head->ds_cnt-1].last_ds);
 193       read_tag(&ptr2,"value","%lf",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_val].u_val));
 194       read_tag(&ptr2,"unknown_sec","%lu",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_unkn_sec_cnt].u_cnt));
 195       eat_tag(&ptr2,"/ds");
 196       ptr=ptr2;
 197   }
 198
 199   ptr2 = ptr;
 200   while (eat_tag(&ptr2,"rra") == 1){
 201       rrd->stat_head->rra_cnt++;
 202
 203       /* allocate and reset rra definition areas */
 204       if((rrd->rra_def = rrd_realloc(rrd->rra_def,rrd->stat_head->rra_cnt*sizeof(rra_def_t)))==NULL){
 205           rrd_set_error("allocating rra_def"); return -1; }
 206       memset(&(rrd->rra_def[rrd->stat_head->rra_cnt-1]), 0, sizeof(rra_def_t));
 207
 208       /* allocate and reset consolidation point areas */
 209       if((rrd->cdp_prep = rrd_realloc(rrd->cdp_prep,
 210                                   rrd->stat_head->rra_cnt
 211                                   *rrd->stat_head->ds_cnt*sizeof(cdp_prep_t)))==NULL){
 212           rrd_set_error("allocating cdp_prep"); return -1; }
 213
 214       memset(&(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rrd->stat_head->rra_cnt-1)]),
 215              0, rrd->stat_head->ds_cnt*sizeof(cdp_prep_t));
 216
 217
 218       read_tag(&ptr2,"cf",CF_NAM_FMT,rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam);
 219       /* test for valid type */
 220       if( (int)cf_conv(rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam) == -1) return -1;
 221
 222       read_tag(&ptr2,"pdp_per_row","%lu",&(rrd->rra_def[rrd->stat_head->rra_cnt-1].pdp_cnt));
 223       /* support to read RRA parameters */
 224       eat_tag(&ptr2, "params");
 225       skip(&ptr2);
 226       rra_index = rrd->stat_head->rra_cnt - 1;
 227       /* backwards compatibility w/ old patch */
 228       if (strncmp(ptr2, "<value>",7) == 0) {
 229          parse_patch1028_RRA_params(&ptr2,rrd,rra_index);
 230       } else {
 231       switch(cf_conv(rrd -> rra_def[rra_index].cf_nam)) {
 232       case CF_HWPREDICT:
 233          read_tag(&ptr2, "hw_alpha", "%lf",
 234             &(rrd->rra_def[rra_index].par[RRA_hw_alpha].u_val));
 235          read_tag(&ptr2, "hw_beta", "%lf",
 236             &(rrd->rra_def[rra_index].par[RRA_hw_beta].u_val));
 237          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 238             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 239          break;
 240       case CF_SEASONAL:
 241       case CF_DEVSEASONAL:
 242          read_tag(&ptr2, "seasonal_gamma", "%lf",
 243             &(rrd->rra_def[rra_index].par[RRA_seasonal_gamma].u_val));
 244          read_tag(&ptr2, "seasonal_smooth_idx", "%lu",
 245             &(rrd->rra_def[rra_index].par[RRA_seasonal_smooth_idx].u_cnt));
 246          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 247             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 248          break;
 249       case CF_FAILURES:
 250          read_tag(&ptr2, "delta_pos", "%lf",
 251             &(rrd->rra_def[rra_index].par[RRA_delta_pos].u_val));
 252          read_tag(&ptr2, "delta_neg", "%lf",
 253             &(rrd->rra_def[rra_index].par[RRA_delta_neg].u_val));
 254          read_tag(&ptr2, "window_len", "%lu",
 255             &(rrd->rra_def[rra_index].par[RRA_window_len].u_cnt));
 256          read_tag(&ptr2, "failure_threshold", "%lu",
 257             &(rrd->rra_def[rra_index].par[RRA_failure_threshold].u_cnt));
 258          /* fall thru */
 259       case CF_DEVPREDICT:
 260          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 261             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 262          break;
 263       case CF_AVERAGE:
 264       case CF_MAXIMUM:
 265       case CF_MINIMUM:
 266       case CF_LAST:
 267       default:
 268          read_tag(&ptr2, "xff","%lf",
 269             &(rrd->rra_def[rra_index].par[RRA_cdp_xff_val].u_val));
 270       }
 271       }
 272       eat_tag(&ptr2, "/params");
 273       eat_tag(&ptr2,"cdp_prep");
 274       for(i=0;i< (int)rrd->stat_head->ds_cnt;i++)
 275       {
 276       eat_tag(&ptr2,"ds");
 277       /* support to read CDP parameters */
 278       rra_index = rrd->stat_head->rra_cnt-1;
 279       skip(&ptr2);
 280       if (strncmp(ptr2, "<value>",7) == 0) {
 281          parse_patch1028_CDP_params(&ptr2,rrd,rra_index,i);
 282       } else {
 283          read_tag(&ptr2, "primary_value","%lf",
 284                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 285                +i].scratch[CDP_primary_val].u_val));
 286          read_tag(&ptr2, "secondary_value","%lf",
 287                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 288                +i].scratch[CDP_secondary_val].u_val));
 289          switch(cf_conv(rrd->rra_def[rra_index].cf_nam)) {
 290          case CF_HWPREDICT:
 291             read_tag(&ptr2,"intercept","%lf",
 292                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 293                +i].scratch[CDP_hw_intercept].u_val));
 294             read_tag(&ptr2,"last_intercept","%lf",
 295                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 296                +i].scratch[CDP_hw_last_intercept].u_val));
 297             read_tag(&ptr2,"slope","%lf",
 298                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 299                +i].scratch[CDP_hw_slope].u_val));
 300             read_tag(&ptr2,"last_slope","%lf",
 301                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 302                +i].scratch[CDP_hw_last_slope].u_val));
 303             read_tag(&ptr2,"nan_count","%lu",
 304                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 305                +i].scratch[CDP_null_count].u_cnt));
 306             read_tag(&ptr2,"last_nan_count","%lu",
 307                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 308                +i].scratch[CDP_last_null_count].u_cnt));
 309             break;
 310          case CF_SEASONAL:
 311          case CF_DEVSEASONAL:
 312             read_tag(&ptr2,"seasonal","%lf",
 313                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 314                +i].scratch[CDP_hw_seasonal].u_val));
 315             read_tag(&ptr2,"last_seasonal","%lf",
 316                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 317                +i].scratch[CDP_hw_last_seasonal].u_val));
 318             read_tag(&ptr2,"init_flag","%lu",
 319                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 320                +i].scratch[CDP_init_seasonal].u_cnt));
 321             break;
 322          case CF_DEVPREDICT:
 323             break;
 324          case CF_FAILURES:
 325             parse_FAILURES_history(&ptr2,rrd,rra_index,i);
 326             break;
 327          case CF_AVERAGE:
 328          case CF_MAXIMUM:
 329          case CF_MINIMUM:
 330          case CF_LAST:
 331          default:
 332             read_tag(&ptr2,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 333                *(rra_index) +i].scratch[CDP_val].u_val));
 334             read_tag(&ptr2,"unknown_datapoints","%lu",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 335                *(rra_index) +i].scratch[CDP_unkn_pdp_cnt].u_cnt));
 336             break;
 337          }
 338       }
 339       eat_tag(&ptr2,"/ds");
 340       }
 341       eat_tag(&ptr2,"/cdp_prep");
 342       rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt=0;
 343       eat_tag(&ptr2,"database");
 344       ptr3 = ptr2;
 345       while (eat_tag(&ptr3,"row") == 1){
 346
 347           if(mempool==0){
 348             mempool = 1000;
 349             if((rrd->rrd_value = rrd_realloc(rrd->rrd_value,
 350                                          (rows+mempool)*(rrd->stat_head->ds_cnt)
 351                                          *sizeof(rrd_value_t)))==NULL) {
 352               rrd_set_error("allocating rrd_values"); return -1; }
 353           }
 354           rows++;
 355           mempool--;
 356           rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt++;
 357           for(i=0;i< (int)rrd->stat_head->ds_cnt;i++){
 358
 359                   rrd_value_t  * value = &(rrd->rrd_value[(rows-1)*rrd->stat_head->ds_cnt+i]);
 360
 361                   read_tag(&ptr3,"v","%lf", value);
 362
 363                   if (
 364                           (rc == 1)                     /* do we have to check for the ranges */
 365                           &&
 366                       (!isnan(*value))  /* not a NAN value */
 367                       &&
 368                           (dst_conv(rrd->ds_def[i].dst) != DST_CDEF)
 369                           &&
 370                       (                                 /* min defined and in the range ? */
 371                           (!isnan(rrd->ds_def[i].par[DS_min_val].u_val)
 372                                 && (*value < rrd->ds_def[i].par[DS_min_val].u_val))
 373                           ||                            /* max defined and in the range ? */
 374                           (!isnan(rrd->ds_def[i].par[DS_max_val].u_val)
 375                                 && (*value > rrd->ds_def[i].par[DS_max_val].u_val))
 376                       )
 377                   ) {
 378                       fprintf (stderr, "out of range found [ds: %lu], [value : %0.10e]\n", i, *value);
 379                       *value = DNAN;
 380                   }
 381           }
 382           eat_tag(&ptr3,"/row");
 383           ptr2=ptr3;
 384       }
 385       eat_tag(&ptr2,"/database");
 386       eat_tag(&ptr2,"/rra");
 387       ptr=ptr2;
 388   }
 389   eat_tag(&ptr,"/rrd");
 390
 391   if((rrd->rra_ptr = calloc(1,sizeof(rra_ptr_t)*rrd->stat_head->rra_cnt)) == NULL) {
 392       rrd_set_error("allocating rra_ptr");
 393       return(-1);
 394   }
 395
 396   for(i=0; i < (int)rrd->stat_head->rra_cnt; i++) {
 397           /* last row in the xml file is the most recent; as
 398            * rrd_update increments the current row pointer, set cur_row
 399            * here to the last row. */
 400       rrd->rra_ptr[i].cur_row = rrd->rra_def[i].row_cnt-1;
 401   }
 402   if (ptr==NULL)
 403       return -1;
 404   return 1;
 405 }
 406
 407
 408
 409
 410
 411 /* create and empty rrd file according to the specs given */
 412
 413 int
 414 rrd_write(char *file_name, rrd_t *rrd, char force_overwrite)
 415 {
 416     unsigned long    i,ii,val_cnt;
 417     FILE             *rrd_file=NULL;
 418     int                 fdflags;
 419     int                 fd;
 420
 421     if (strcmp("-",file_name)==0){
 422       rrd_file= stdout;
 423     } else {
 424 #if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
 425       fdflags = O_RDWR|O_BINARY|O_CREAT;
 426 #else
 427       fdflags = O_WRONLY|O_CREAT;
 428 #endif
 429       if (force_overwrite == 0) {
 430         fdflags |= O_EXCL;
 431       }
 432       fd = open(file_name,fdflags,0666);
 433       if (fd == -1 || (rrd_file = fdopen(fd,"wb")) == NULL) {
 434         rrd_set_error("creating '%s': %s",file_name,rrd_strerror(errno));
 435         if (fd != -1)
 436           close(fd);
 437         return(-1);
 438       }
 439     }
 440     fwrite(rrd->stat_head,
 441            sizeof(stat_head_t), 1, rrd_file);
 442
 443     fwrite(rrd->ds_def,
 444            sizeof(ds_def_t), rrd->stat_head->ds_cnt, rrd_file);
 445
 446     fwrite(rrd->rra_def,
 447            sizeof(rra_def_t), rrd->stat_head->rra_cnt, rrd_file);
 448
 449          /* maybe the xml hold an old formatted rrd */
 450     if (atoi(rrd->stat_head->version) < 3)
 451       fwrite(&(rrd->live_head->last_up), sizeof(long),1, rrd_file);
 452     else
 453       fwrite(rrd->live_head, sizeof(live_head_t),1, rrd_file);
 454
 455     fwrite( rrd->pdp_prep, sizeof(pdp_prep_t),rrd->stat_head->ds_cnt,rrd_file);
 456
 457     fwrite( rrd->cdp_prep, sizeof(cdp_prep_t),rrd->stat_head->rra_cnt*
 458             rrd->stat_head->ds_cnt,rrd_file);
 459     fwrite( rrd->rra_ptr, sizeof(rra_ptr_t), rrd->stat_head->rra_cnt,rrd_file);
 460
 461
 462
 463     /* calculate the number of rrd_values to dump */
 464     val_cnt=0;
 465     for(i=0; i <  rrd->stat_head->rra_cnt; i++)
 466         for(ii=0; ii <  rrd->rra_def[i].row_cnt * rrd->stat_head->ds_cnt;ii++)
 467             val_cnt++;
 468     fwrite( rrd->rrd_value, sizeof(rrd_value_t),val_cnt,rrd_file);
 469
 470     /* lets see if we had an error */
 471     if(ferror(rrd_file)){
 472         rrd_set_error("a file error occurred while creating '%s'",file_name);
 473         fclose(rrd_file);
 474         return(-1);
 475     }
 476
 477     fclose(rrd_file);
 478     return 0;
 479 }
 480
 481
 482 int
 483 rrd_restore(int argc, char **argv)
 484 {
 485     rrd_t          rrd;
 486     char          *buf;
 487         char                    rc = 0;
 488         char                    force_overwrite = 0;
 489
 490     /* init rrd clean */
 491     optind = 0; opterr = 0;  /* initialize getopt */
 492     rrd_init(&rrd);
 493     if (argc<3) {
 494                 rrd_set_error("usage rrdtool %s [--range-check/-r] [--force-overwrite/-f] file.xml file.rrd",argv[0]);
 495                 return -1;
 496     }
 497
 498         while (1) {
 499                 static struct option long_options[] =
 500                 {
 501                         {"range-check",      required_argument, 0,  'r'},
 502                         {"force-overwrite",     required_argument, 0,   'f'},
 503                         {0,0,0,0}
 504                 };
 505                 int option_index = 0;
 506                 int opt;
 507
 508
 509                 opt = getopt_long(argc, argv, "r:f", long_options, &option_index);
 510
 511                 if (opt == EOF)
 512                         break;
 513
 514                 switch(opt) {
 515                 case 'r':
 516                         rc=1;
 517                         break;
 518                 case 'f':
 519                         force_overwrite=1;
 520                         break;
 521                 default:
 522                         rrd_set_error("usage rrdtool %s [--range-check|-r] [--force-overwrite/-f]  file.xml file.rrd",argv[0]);
 523                         return -1;
 524                         break;
 525                 }
 526     }
 527
 528     if (readfile(argv[optind],&buf,0)==-1){
 529       return -1;
 530     }
 531     if (xml2rrd(buf,&rrd,rc)==-1) {
 532         rrd_free(&rrd);
 533         free(buf);
 534         return -1;
 535     }
 536     free(buf);
 537     if(rrd_write(argv[optind+1],&rrd,force_overwrite)==-1){
 538         rrd_free(&rrd);
 539         return -1;
 540     };
 541     rrd_free(&rrd);
 542     return 0;
 543 }
 544
 545 /* a backwards compatibility routine that will parse the RRA params section
 546  * generated by the aberrant patch to 1.0.28. */
 547
 548 void
 549 parse_patch1028_RRA_params(char **buf, rrd_t *rrd, int rra_index)
 550 {
 551    int i;
 552    for (i = 0; i < MAX_RRA_PAR_EN; i++)
 553    {
 554    if (i == RRA_dependent_rra_idx ||
 555        i == RRA_seasonal_smooth_idx ||
 556        i == RRA_failure_threshold)
 557       read_tag(buf, "value","%lu",
 558          &(rrd->rra_def[rra_index].par[i].u_cnt));
 559    else
 560       read_tag(buf, "value","%lf",
 561          &(rrd->rra_def[rra_index].par[i].u_val));
 562    }
 563 }
 564
 565 /* a backwards compatibility routine that will parse the CDP params section
 566  * generated by the aberrant patch to 1.0.28. */
 567 void
 568 parse_patch1028_CDP_params(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 569 {
 570    int ii;
 571    for (ii = 0; ii < MAX_CDP_PAR_EN; ii++)
 572    {
 573    if (cf_conv(rrd->rra_def[rra_index].cf_nam) == CF_FAILURES ||
 574        ii == CDP_unkn_pdp_cnt ||
 575        ii == CDP_null_count ||
 576        ii == CDP_last_null_count)
 577    {
 578       read_tag(buf,"value","%lu",
 579        &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index) + ds_index].scratch[ii].u_cnt));
 580    } else {
 581       read_tag(buf,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt*
 582        (rra_index) + ds_index].scratch[ii].u_val));
 583    }
 584    }
 585 }
 586
 587 void
 588 parse_FAILURES_history(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 589 {
 590    char history[MAX_FAILURES_WINDOW_LEN + 1];
 591    char *violations_array;
 592    unsigned short i;
 593
 594    /* 28 = MAX_FAILURES_WINDOW_LEN */
 595    read_tag(buf, "history", "%28[0-1]", history);
 596    violations_array = (char*) rrd -> cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 597       + ds_index].scratch;
 598
 599    for (i = 0; i < rrd -> rra_def[rra_index].par[RRA_window_len].u_cnt; ++i)
 600       violations_array[i] = (history[i] == '1') ? 1 : 0;
 601
 602 }