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 *****************************************************************************/
7 #include "rrd_tool.h"
8 #include "rrd_rpncalc.h"
9 #include <fcntl.h>
11 /* Prototypes */
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);
23 /* convert all ocurances of <BlaBlaBla> to <blablabla> */
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 }
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 }
59 int eat_tag(char **buf, char *tag){
60 if ((*buf)==NULL) return -1; /* fall though clause */
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 }
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 }
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 */
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 };
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));
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));
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));
162 read_tag(&ptr2,"name",DS_NAM_FMT,rrd->ds_def[rrd->stat_head->ds_cnt-1].ds_nam);
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;
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 }
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 }
187 ptr2 = ptr;
188 while (eat_tag(&ptr2,"rra") == 1){
189 rrd->stat_head->rra_cnt++;
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));
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; }
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));
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;
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){
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++){
347 rrd_value_t * value = &(rrd->rrd_value[(rows-1)*rrd->stat_head->ds_cnt+i]);
349 read_tag(&ptr3,"v","%lf", value);
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");
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 }
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 }
399 /* create and empty rrd file according to the specs given */
401 int
402 rrd_write(char *file_name, rrd_t *rrd)
403 {
404 unsigned long i,ii,val_cnt;
405 FILE *rrd_file=NULL;
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);
422 fwrite(rrd->ds_def,
423 sizeof(ds_def_t), rrd->stat_head->ds_cnt, rrd_file);
425 fwrite(rrd->rra_def,
426 sizeof(rra_def_t), rrd->stat_head->rra_cnt, rrd_file);
428 fwrite(rrd->live_head, sizeof(live_head_t),1, rrd_file);
430 fwrite( rrd->pdp_prep, sizeof(pdp_prep_t),rrd->stat_head->ds_cnt,rrd_file);
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);
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);
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 }
452 fclose(rrd_file);
453 return 0;
454 }
457 int
458 rrd_restore(int argc, char **argv)
459 {
460 rrd_t rrd;
461 char *buf;
462 char rc = 0;
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 }
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;
481 opt = getopt_long(argc, argv, "r", long_options, &option_index);
483 if (opt == EOF)
484 break;
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 }
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 }
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 }
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 }
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;
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;
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;
570 }