src/rrd_restore.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.12  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   int input_version;
 116   xml_lc(buf); /* lets lowercase all active parts of the xml */
 117   ptr=buf;
 118   ptr2=buf;
 119   ptr3=buf;
 120   /* start with an RRD tag */
 121
 122   eat_tag(&ptr,"rrd");
 123   /* allocate static header */
 124   if((rrd->stat_head = calloc(1,sizeof(stat_head_t)))==NULL){
 125     rrd_set_error("allocating rrd.stat_head");
 126     return -1;
 127   };
 128
 129   strcpy(rrd->stat_head->cookie,RRD_COOKIE);
 130   read_tag(&ptr,"version","%4[0-9]",rrd->stat_head->version);
 131   input_version = atoi(rrd->stat_head->version);
 132   /* added primitive version checking */
 133   if (input_version > atoi(RRD_VERSION) )
 134   {
 135     rrd_set_error("Incompatible file version, detected version %s is bigger than supported version %s\n",
 136                   rrd -> stat_head -> version, RRD_VERSION );
 137     return -1;
 138   }
 139   /* make sure we output the right version */
 140   strcpy(rrd->stat_head->version,RRD_VERSION);
 141
 142   /*  if (atoi(rrd -> stat_head -> version) < 2)
 143   {
 144     rrd_set_error("Can only restore version >= 2 (Not %s). Dump your old rrd using a current rrdtool dump.",  rrd -> stat_head -> version );
 145     return -1;
 146   } */
 147
 148   rrd->stat_head->float_cookie = FLOAT_COOKIE;
 149   rrd->stat_head->ds_cnt = 0;
 150   rrd->stat_head->rra_cnt = 0;
 151   read_tag(&ptr,"step","%lu",&(rrd->stat_head->pdp_step));
 152
 153   /* allocate live head */
 154   if((rrd->live_head = calloc(1,sizeof(live_head_t)))==NULL){
 155     rrd_set_error("allocating rrd.live_head");
 156     return -1;
 157   }
 158   read_tag(&ptr,"lastupdate","%lu",&(rrd->live_head->last_up));
 159
 160   /* Data Source Definition Part */
 161   ptr2 = ptr;
 162   while (eat_tag(&ptr2,"ds") == 1){
 163       rrd->stat_head->ds_cnt++;
 164       if((rrd->ds_def = rrd_realloc(rrd->ds_def,rrd->stat_head->ds_cnt*sizeof(ds_def_t)))==NULL){
 165           rrd_set_error("allocating rrd.ds_def");
 166           return -1;
 167       };
 168       /* clean out memory to make sure no data gets stored from previous tasks */
 169       memset(&(rrd->ds_def[rrd->stat_head->ds_cnt-1]), 0, sizeof(ds_def_t));
 170       if((rrd->pdp_prep = rrd_realloc(rrd->pdp_prep,rrd->stat_head->ds_cnt
 171                                   *sizeof(pdp_prep_t)))==NULL){
 172         rrd_set_error("allocating pdp_prep");
 173         return(-1);
 174       }
 175       /* clean out memory to make sure no data gets stored from previous tasks */
 176       memset(&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1]), 0, sizeof(pdp_prep_t));
 177
 178       read_tag(&ptr2,"name",DS_NAM_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].ds_nam);
 179
 180       read_tag(&ptr2,"type",DST_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].dst);
 181       /* test for valid type */
 182       if( (int)dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) == -1) return -1;
 183
 184           if (dst_conv(rrd->ds_def[rrd->stat_head->ds_cnt-1].dst) != DST_CDEF)
 185           {
 186       read_tag(&ptr2,"minimal_heartbeat","%lu",
 187                &(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_mrhb_cnt].u_cnt));
 188       read_tag(&ptr2,"min","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_min_val].u_val));
 189       read_tag(&ptr2,"max","%lf",&(rrd->ds_def[rrd->stat_head->ds_cnt-1].par[DS_max_val].u_val));
 190           } else { /* DST_CDEF */
 191                  char buffer[1024];
 192              read_tag(&ptr2,"cdef","%s",buffer);
 193                  parseCDEF_DS(buffer,rrd,rrd -> stat_head -> ds_cnt - 1);
 194           }
 195
 196       read_tag(&ptr2,"last_ds","%30s",rrd->pdp_prep[rrd->stat_head->ds_cnt-1].last_ds);
 197       read_tag(&ptr2,"value","%lf",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_val].u_val));
 198       read_tag(&ptr2,"unknown_sec","%lu",&(rrd->pdp_prep[rrd->stat_head->ds_cnt-1].scratch[PDP_unkn_sec_cnt].u_cnt));
 199       eat_tag(&ptr2,"/ds");
 200       ptr=ptr2;
 201   }
 202
 203   ptr2 = ptr;
 204   while (eat_tag(&ptr2,"rra") == 1){
 205       rrd->stat_head->rra_cnt++;
 206
 207       /* allocate and reset rra definition areas */
 208       if((rrd->rra_def = rrd_realloc(rrd->rra_def,rrd->stat_head->rra_cnt*sizeof(rra_def_t)))==NULL){
 209           rrd_set_error("allocating rra_def"); return -1; }
 210       memset(&(rrd->rra_def[rrd->stat_head->rra_cnt-1]), 0, sizeof(rra_def_t));
 211
 212       /* allocate and reset consolidation point areas */
 213       if((rrd->cdp_prep = rrd_realloc(rrd->cdp_prep,
 214                                   rrd->stat_head->rra_cnt
 215                                   *rrd->stat_head->ds_cnt*sizeof(cdp_prep_t)))==NULL){
 216           rrd_set_error("allocating cdp_prep"); return -1; }
 217
 218       memset(&(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rrd->stat_head->rra_cnt-1)]),
 219              0, rrd->stat_head->ds_cnt*sizeof(cdp_prep_t));
 220
 221
 222       read_tag(&ptr2,"cf",CF_NAM_FMT,rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam);
 223       /* test for valid type */
 224       if( (int)cf_conv(rrd->rra_def[rrd->stat_head->rra_cnt-1].cf_nam) == -1) return -1;
 225
 226       read_tag(&ptr2,"pdp_per_row","%lu",&(rrd->rra_def[rrd->stat_head->rra_cnt-1].pdp_cnt));
 227       /* support to read RRA parameters */
 228       rra_index = rrd->stat_head->rra_cnt - 1;
 229       if ( input_version < 2 ){
 230          read_tag(&ptr2, "xff","%lf",
 231             &(rrd->rra_def[rra_index].par[RRA_cdp_xff_val].u_val));
 232       } else {
 233         eat_tag(&ptr2, "params");
 234         skip(&ptr2);
 235         /* backwards compatibility w/ old patch */
 236       if (strncmp(ptr2, "<value>",7) == 0) {
 237           parse_patch1028_RRA_params(&ptr2,rrd,rra_index);
 238       } else {
 239       switch(cf_conv(rrd -> rra_def[rra_index].cf_nam)) {
 240       case CF_HWPREDICT:
 241          read_tag(&ptr2, "hw_alpha", "%lf",
 242             &(rrd->rra_def[rra_index].par[RRA_hw_alpha].u_val));
 243          read_tag(&ptr2, "hw_beta", "%lf",
 244             &(rrd->rra_def[rra_index].par[RRA_hw_beta].u_val));
 245          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 246             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 247          break;
 248       case CF_SEASONAL:
 249       case CF_DEVSEASONAL:
 250          read_tag(&ptr2, "seasonal_gamma", "%lf",
 251             &(rrd->rra_def[rra_index].par[RRA_seasonal_gamma].u_val));
 252          read_tag(&ptr2, "seasonal_smooth_idx", "%lu",
 253             &(rrd->rra_def[rra_index].par[RRA_seasonal_smooth_idx].u_cnt));
 254          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 255             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 256          break;
 257       case CF_FAILURES:
 258          read_tag(&ptr2, "delta_pos", "%lf",
 259             &(rrd->rra_def[rra_index].par[RRA_delta_pos].u_val));
 260          read_tag(&ptr2, "delta_neg", "%lf",
 261             &(rrd->rra_def[rra_index].par[RRA_delta_neg].u_val));
 262          read_tag(&ptr2, "window_len", "%lu",
 263             &(rrd->rra_def[rra_index].par[RRA_window_len].u_cnt));
 264          read_tag(&ptr2, "failure_threshold", "%lu",
 265             &(rrd->rra_def[rra_index].par[RRA_failure_threshold].u_cnt));
 266          /* fall thru */
 267       case CF_DEVPREDICT:
 268          read_tag(&ptr2, "dependent_rra_idx", "%lu",
 269             &(rrd->rra_def[rra_index].par[RRA_dependent_rra_idx].u_cnt));
 270          break;
 271       case CF_AVERAGE:
 272       case CF_MAXIMUM:
 273       case CF_MINIMUM:
 274       case CF_LAST:
 275       default:
 276          read_tag(&ptr2, "xff","%lf",
 277             &(rrd->rra_def[rra_index].par[RRA_cdp_xff_val].u_val));
 278       }
 279       }
 280       eat_tag(&ptr2, "/params");
 281    }
 282
 283
 284       eat_tag(&ptr2,"cdp_prep");
 285       for(i=0;i< (int)rrd->stat_head->ds_cnt;i++)
 286       {
 287       eat_tag(&ptr2,"ds");
 288       /* support to read CDP parameters */
 289       rra_index = rrd->stat_head->rra_cnt-1;
 290       skip(&ptr2);
 291       if ( input_version < 2 ){
 292           rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)+i].scratch[CDP_primary_val].u_val = 0.0;
 293           rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)+i].scratch[CDP_secondary_val].u_val = 0.0;
 294           read_tag(&ptr2,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 295                *(rra_index) +i].scratch[CDP_val].u_val));
 296           read_tag(&ptr2,"unknown_datapoints","%lu",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 297               *(rra_index) +i].scratch[CDP_unkn_pdp_cnt].u_cnt));
 298       } else {
 299
 300       if (strncmp(ptr2, "<value>",7) == 0) {
 301          parse_patch1028_CDP_params(&ptr2,rrd,rra_index,i);
 302       } else {
 303          read_tag(&ptr2, "primary_value","%lf",
 304                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 305                +i].scratch[CDP_primary_val].u_val));
 306          read_tag(&ptr2, "secondary_value","%lf",
 307                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 308                +i].scratch[CDP_secondary_val].u_val));
 309          switch(cf_conv(rrd->rra_def[rra_index].cf_nam)) {
 310          case CF_HWPREDICT:
 311             read_tag(&ptr2,"intercept","%lf",
 312                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 313                +i].scratch[CDP_hw_intercept].u_val));
 314             read_tag(&ptr2,"last_intercept","%lf",
 315                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 316                +i].scratch[CDP_hw_last_intercept].u_val));
 317             read_tag(&ptr2,"slope","%lf",
 318                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 319                +i].scratch[CDP_hw_slope].u_val));
 320             read_tag(&ptr2,"last_slope","%lf",
 321                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 322                +i].scratch[CDP_hw_last_slope].u_val));
 323             read_tag(&ptr2,"nan_count","%lu",
 324                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 325                +i].scratch[CDP_null_count].u_cnt));
 326             read_tag(&ptr2,"last_nan_count","%lu",
 327                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 328                +i].scratch[CDP_last_null_count].u_cnt));
 329             break;
 330          case CF_SEASONAL:
 331          case CF_DEVSEASONAL:
 332             read_tag(&ptr2,"seasonal","%lf",
 333                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 334                +i].scratch[CDP_hw_seasonal].u_val));
 335             read_tag(&ptr2,"last_seasonal","%lf",
 336                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 337                +i].scratch[CDP_hw_last_seasonal].u_val));
 338             read_tag(&ptr2,"init_flag","%lu",
 339                &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 340                +i].scratch[CDP_init_seasonal].u_cnt));
 341             break;
 342          case CF_DEVPREDICT:
 343             break;
 344          case CF_FAILURES:
 345             parse_FAILURES_history(&ptr2,rrd,rra_index,i);
 346             break;
 347          case CF_AVERAGE:
 348          case CF_MAXIMUM:
 349          case CF_MINIMUM:
 350          case CF_LAST:
 351          default:
 352             read_tag(&ptr2,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 353                *(rra_index) +i].scratch[CDP_val].u_val));
 354             read_tag(&ptr2,"unknown_datapoints","%lu",&(rrd->cdp_prep[rrd->stat_head->ds_cnt
 355                *(rra_index) +i].scratch[CDP_unkn_pdp_cnt].u_cnt));
 356             break;
 357          }
 358       }
 359       }
 360       eat_tag(&ptr2,"/ds");
 361       }
 362       eat_tag(&ptr2,"/cdp_prep");
 363       rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt=0;
 364       eat_tag(&ptr2,"database");
 365       ptr3 = ptr2;
 366       while (eat_tag(&ptr3,"row") == 1){
 367
 368           if(mempool==0){
 369             mempool = 1000;
 370             if((rrd->rrd_value = rrd_realloc(rrd->rrd_value,
 371                                          (rows+mempool)*(rrd->stat_head->ds_cnt)
 372                                          *sizeof(rrd_value_t)))==NULL) {
 373               rrd_set_error("allocating rrd_values"); return -1; }
 374           }
 375           rows++;
 376           mempool--;
 377           rrd->rra_def[rrd->stat_head->rra_cnt-1].row_cnt++;
 378           for(i=0;i< (int)rrd->stat_head->ds_cnt;i++){
 379
 380                   rrd_value_t  * value = &(rrd->rrd_value[(rows-1)*rrd->stat_head->ds_cnt+i]);
 381
 382                   read_tag(&ptr3,"v","%lf", value);
 383
 384                   if (
 385                           (rc == 1)                     /* do we have to check for the ranges */
 386                           &&
 387                       (!isnan(*value))  /* not a NAN value */
 388                       &&
 389                           (dst_conv(rrd->ds_def[i].dst) != DST_CDEF)
 390                           &&
 391                       (                                 /* min defined and in the range ? */
 392                           (!isnan(rrd->ds_def[i].par[DS_min_val].u_val)
 393                                 && (*value < rrd->ds_def[i].par[DS_min_val].u_val))
 394                           ||                            /* max defined and in the range ? */
 395                           (!isnan(rrd->ds_def[i].par[DS_max_val].u_val)
 396                                 && (*value > rrd->ds_def[i].par[DS_max_val].u_val))
 397                       )
 398                   ) {
 399                       fprintf (stderr, "out of range found [ds: %lu], [value : %0.10e]\n", i, *value);
 400                       *value = DNAN;
 401                   }
 402           }
 403           eat_tag(&ptr3,"/row");
 404           ptr2=ptr3;
 405       }
 406       eat_tag(&ptr2,"/database");
 407       eat_tag(&ptr2,"/rra");
 408       ptr=ptr2;
 409   }
 410   eat_tag(&ptr,"/rrd");
 411
 412   if((rrd->rra_ptr = calloc(1,sizeof(rra_ptr_t)*rrd->stat_head->rra_cnt)) == NULL) {
 413       rrd_set_error("allocating rra_ptr");
 414       return(-1);
 415   }
 416
 417   for(i=0; i < (int)rrd->stat_head->rra_cnt; i++) {
 418           /* last row in the xml file is the most recent; as
 419            * rrd_update increments the current row pointer, set cur_row
 420            * here to the last row. */
 421       rrd->rra_ptr[i].cur_row = rrd->rra_def[i].row_cnt-1;
 422   }
 423   if (ptr==NULL)
 424       return -1;
 425   return 1;
 426 }
 427
 428
 429
 430
 431
 432 /* create and empty rrd file according to the specs given */
 433
 434 int
 435 rrd_write(char *file_name, rrd_t *rrd, char force_overwrite)
 436 {
 437     unsigned long    i,ii,val_cnt;
 438     FILE             *rrd_file=NULL;
 439     int                 fdflags;
 440     int                 fd;
 441
 442     if (strcmp("-",file_name)==0){
 443       rrd_file= stdout;
 444     } else {
 445 #if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
 446       fdflags = O_RDWR|O_BINARY|O_CREAT;
 447 #else
 448       fdflags = O_WRONLY|O_CREAT;
 449 #endif
 450       if (force_overwrite == 0) {
 451         fdflags |= O_EXCL;
 452       }
 453       fd = open(file_name,fdflags,0666);
 454       if (fd == -1 || (rrd_file = fdopen(fd,"wb")) == NULL) {
 455         rrd_set_error("creating '%s': %s",file_name,rrd_strerror(errno));
 456         if (fd != -1)
 457           close(fd);
 458         return(-1);
 459       }
 460     }
 461     fwrite(rrd->stat_head,
 462            sizeof(stat_head_t), 1, rrd_file);
 463
 464     fwrite(rrd->ds_def,
 465            sizeof(ds_def_t), rrd->stat_head->ds_cnt, rrd_file);
 466
 467     fwrite(rrd->rra_def,
 468            sizeof(rra_def_t), rrd->stat_head->rra_cnt, rrd_file);
 469
 470     fwrite(rrd->live_head, sizeof(live_head_t),1, rrd_file);
 471
 472     fwrite( rrd->pdp_prep, sizeof(pdp_prep_t),rrd->stat_head->ds_cnt,rrd_file);
 473
 474     fwrite( rrd->cdp_prep, sizeof(cdp_prep_t),rrd->stat_head->rra_cnt*
 475             rrd->stat_head->ds_cnt,rrd_file);
 476     fwrite( rrd->rra_ptr, sizeof(rra_ptr_t), rrd->stat_head->rra_cnt,rrd_file);
 477
 478
 479
 480     /* calculate the number of rrd_values to dump */
 481     val_cnt=0;
 482     for(i=0; i <  rrd->stat_head->rra_cnt; i++)
 483         for(ii=0; ii <  rrd->rra_def[i].row_cnt * rrd->stat_head->ds_cnt;ii++)
 484             val_cnt++;
 485     fwrite( rrd->rrd_value, sizeof(rrd_value_t),val_cnt,rrd_file);
 486
 487     /* lets see if we had an error */
 488     if(ferror(rrd_file)){
 489         rrd_set_error("a file error occurred while creating '%s'",file_name);
 490         fclose(rrd_file);
 491         return(-1);
 492     }
 493
 494     fclose(rrd_file);
 495     return 0;
 496 }
 497
 498
 499 int
 500 rrd_restore(int argc, char **argv)
 501 {
 502     rrd_t          rrd;
 503     char          *buf;
 504         char                    rc = 0;
 505         char                    force_overwrite = 0;
 506
 507     /* init rrd clean */
 508     optind = 0; opterr = 0;  /* initialize getopt */
 509         while (1) {
 510                 static struct option long_options[] =
 511                 {
 512                         {"range-check",      no_argument, 0,  'r'},
 513                         {"force-overwrite",  no_argument, 0,  'f'},
 514                         {0,0,0,0}
 515                 };
 516                 int option_index = 0;
 517                 int opt;
 518
 519
 520                 opt = getopt_long(argc, argv, "rf", long_options, &option_index);
 521
 522                 if (opt == EOF)
 523                         break;
 524
 525                 switch(opt) {
 526                 case 'r':
 527                         rc=1;
 528                         break;
 529                 case 'f':
 530                         force_overwrite=1;
 531                         break;
 532                 default:
 533                         rrd_set_error("usage rrdtool %s [--range-check|-r] [--force-overwrite/-f]  file.xml file.rrd",argv[0]);
 534                         return -1;
 535                         break;
 536                 }
 537     }
 538
 539     if (argc-optind != 2) {
 540                 rrd_set_error("usage rrdtool %s [--range-check/-r] [--force-overwrite/-f] file.xml file.rrd",argv[0]);
 541                 return -1;
 542     }
 543
 544     if (readfile(argv[optind],&buf,0)==-1){
 545       return -1;
 546     }
 547
 548     rrd_init(&rrd);
 549
 550     if (xml2rrd(buf,&rrd,rc)==-1) {
 551         rrd_free(&rrd);
 552         free(buf);
 553         return -1;
 554     }
 555
 556     free(buf);
 557
 558     if(rrd_write(argv[optind+1],&rrd,force_overwrite)==-1){
 559         rrd_free(&rrd);
 560         return -1;
 561     };
 562     rrd_free(&rrd);
 563     return 0;
 564 }
 565
 566 /* a backwards compatibility routine that will parse the RRA params section
 567  * generated by the aberrant patch to 1.0.28. */
 568
 569 void
 570 parse_patch1028_RRA_params(char **buf, rrd_t *rrd, int rra_index)
 571 {
 572    int i;
 573    for (i = 0; i < MAX_RRA_PAR_EN; i++)
 574    {
 575    if (i == RRA_dependent_rra_idx ||
 576        i == RRA_seasonal_smooth_idx ||
 577        i == RRA_failure_threshold)
 578       read_tag(buf, "value","%lu",
 579          &(rrd->rra_def[rra_index].par[i].u_cnt));
 580    else
 581       read_tag(buf, "value","%lf",
 582          &(rrd->rra_def[rra_index].par[i].u_val));
 583    }
 584 }
 585
 586 /* a backwards compatibility routine that will parse the CDP params section
 587  * generated by the aberrant patch to 1.0.28. */
 588 void
 589 parse_patch1028_CDP_params(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 590 {
 591    int ii;
 592    for (ii = 0; ii < MAX_CDP_PAR_EN; ii++)
 593    {
 594    if (cf_conv(rrd->rra_def[rra_index].cf_nam) == CF_FAILURES ||
 595        ii == CDP_unkn_pdp_cnt ||
 596        ii == CDP_null_count ||
 597        ii == CDP_last_null_count)
 598    {
 599       read_tag(buf,"value","%lu",
 600        &(rrd->cdp_prep[rrd->stat_head->ds_cnt*(rra_index) + ds_index].scratch[ii].u_cnt));
 601    } else {
 602       read_tag(buf,"value","%lf",&(rrd->cdp_prep[rrd->stat_head->ds_cnt*
 603        (rra_index) + ds_index].scratch[ii].u_val));
 604    }
 605    }
 606 }
 607
 608 void
 609 parse_FAILURES_history(char **buf, rrd_t *rrd, int rra_index, int ds_index)
 610 {
 611    char history[MAX_FAILURES_WINDOW_LEN + 1];
 612    char *violations_array;
 613    unsigned short i;
 614
 615    /* 28 = MAX_FAILURES_WINDOW_LEN */
 616    read_tag(buf, "history", "%28[0-1]", history);
 617    violations_array = (char*) rrd -> cdp_prep[rrd->stat_head->ds_cnt*(rra_index)
 618       + ds_index].scratch;
 619
 620    for (i = 0; i < rrd -> rra_def[rra_index].par[RRA_window_len].u_cnt; ++i)
 621       violations_array[i] = (history[i] == '1') ? 1 : 0;
 622
 623 }