b464007d8a09f9ef5104f4248391fd21fa4ae26f
1 /****************************************************************************
2 * RRDtool 1.2.2 Copyright by Tobi Oetiker, 1997-2005
3 ****************************************************************************
4 * rrd_graph_helper.c commandline parser functions
5 * this code initially written by Alex van den Bogaerdt
6 ****************************************************************************/
8 #include "rrd_graph.h"
10 #define dprintf if (gdp->debug) printf
12 /* Define prototypes for the parsing methods.
13 Inputs:
14 char *line - pointer to base of input source
15 unsigned int eaten - index to next input character (INPUT/OUTPUT)
16 graph_desc_t *gdp - pointer to a graph description
17 image_desc_t *im - pointer to an image description
18 */
20 int rrd_parse_find_gf (char *, unsigned int *, graph_desc_t *);
21 int rrd_parse_legend (char *, unsigned int *, graph_desc_t *);
22 int rrd_parse_color (char *, graph_desc_t *);
23 int rrd_parse_CF (char *, unsigned int *, graph_desc_t *, enum cf_en *);
24 int rrd_parse_print (char *, unsigned int *, graph_desc_t *, image_desc_t *);
25 int rrd_parse_shift (char *, unsigned int *, graph_desc_t *, image_desc_t *);
26 int rrd_parse_xport (char *, unsigned int *, graph_desc_t *, image_desc_t *);
27 int rrd_parse_PVHLAST (char *, unsigned int *, graph_desc_t *, image_desc_t *);
28 int rrd_parse_vname (char *, unsigned int *, graph_desc_t *, image_desc_t *);
29 int rrd_parse_def (char *, unsigned int *, graph_desc_t *, image_desc_t *);
30 int rrd_parse_vdef (char *, unsigned int *, graph_desc_t *, image_desc_t *);
31 int rrd_parse_cdef (char *, unsigned int *, graph_desc_t *, image_desc_t *);
35 int
36 rrd_parse_find_gf(char *line, unsigned int *eaten, graph_desc_t *gdp) {
37 char funcname[11],c1=0;
38 int i=0;
40 /* start an argument with DEBUG to be able to see how it is parsed */
41 sscanf(&line[*eaten], "DEBUG%n", &i);
42 if (i) {
43 gdp->debug=1;
44 (*eaten)+=i;
45 i=0;
46 dprintf("Scanning line '%s'\n",&line[*eaten]);
47 }
48 sscanf(&line[*eaten], "%10[A-Z]%n%c", funcname, &i, &c1);
49 if (!i) {
50 rrd_set_error("Could not make sense out of '%s'",line);
51 return 1;
52 }
53 if ((int)(gdp->gf=gf_conv(funcname)) == -1) {
54 rrd_set_error("'%s' is not a valid function name", funcname);
55 return 1;
56 } else {
57 dprintf("- found function name '%s'\n",funcname);
58 }
60 if (gdp->gf == GF_LINE) {
61 if (c1 == ':') {
62 gdp->linewidth=1;
63 dprintf("- - using default width of 1\n");
64 } else {
65 double width;
66 (*eaten)+=i;
67 if (sscanf(&line[*eaten],"%lf%n:",&width,&i)) {
68 if (width < 0 || isnan(width) || isinf(width) ) {
69 rrd_set_error("LINE width is %lf. It must be finite and >= 0 though",width);
70 return 1;
71 }
72 gdp->linewidth=width;
73 dprintf("- - using width %f\n",width);
74 } else {
75 rrd_set_error("LINE width: %s",line);
76 return 1;
77 }
78 }
79 } else {
80 if (c1 != ':') {
81 rrd_set_error("Malformed %s command: %s",funcname,line);
82 return 1;
83 }
84 }
85 (*eaten)+=++i;
86 return 0;
87 }
89 int
90 rrd_parse_legend(char *line, unsigned int *eaten, graph_desc_t *gdp) {
91 int i;
93 if (line[*eaten]=='\0' || line[*eaten]==':') {
94 dprintf("- no (or: empty) legend found\n");
95 return 0;
96 }
98 i=scan_for_col(&line[*eaten],FMT_LEG_LEN,gdp->legend);
100 (*eaten)+=i;
102 if (line[*eaten]!='\0' && line[*eaten]!=':') {
103 rrd_set_error("Legend too long");
104 return 1;
105 } else {
106 return 0;
107 }
108 }
110 int
111 rrd_parse_color(char *string, graph_desc_t *gdp) {
112 unsigned int r=0,g=0,b=0,a=0,i;
114 /* matches the following formats:
115 ** RGB
116 ** RGBA
117 ** RRGGBB
118 ** RRGGBBAA
119 */
121 i=0;
122 while (string[i] && isxdigit(string[i])) i++;
123 if (string[i] != '\0') return 1; /* garbage follows hexdigits */
124 switch (i) {
125 case 3:
126 case 4:
127 sscanf(string, "%1x%1x%1x%1x",&r,&g,&b,&a);
128 r *= 0x11;
129 g *= 0x11;
130 b *= 0x11;
131 a *= 0x11;
132 if (i==3) a=0xFF;
133 break;
134 case 6:
135 case 8:
136 sscanf(string, "%02x%02x%02x%02x",&r,&g,&b,&a);
137 if (i==6) a=0xFF;
138 break;
139 default:
140 return 1; /* wrong number of digits */
141 }
142 gdp->col = r<<24|g<<16|b<<8|a;
143 return 0;
144 }
146 int
147 rrd_parse_CF(char *line, unsigned int *eaten, graph_desc_t *gdp, enum cf_en *cf) {
148 char symname[CF_NAM_SIZE];
149 int i=0;
151 sscanf(&line[*eaten], CF_NAM_FMT "%n", symname,&i);
152 if ((!i)||((line[(*eaten)+i]!='\0')&&(line[(*eaten)+i]!=':'))) {
153 rrd_set_error("Cannot parse CF in '%s'",line);
154 return 1;
155 }
156 (*eaten)+=i;
157 dprintf("- using CF '%s'\n",symname);
159 if ((int)(*cf = cf_conv(symname))==-1) {
160 rrd_set_error("Unknown CF '%s' in '%s'",symname,line);
161 return 1;
162 }
164 if (line[*eaten]!='\0') (*eaten)++;
165 return 0;
166 }
168 /* Parsing old-style xPRINT and new-style xPRINT */
169 int
170 rrd_parse_print(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
171 /* vname:CF:format in case of DEF-based vname
172 ** vname:CF:format in case of CDEF-based vname
173 ** vname:format in case of VDEF-based vname
174 */
175 char tmpstr[MAX_VNAME_LEN+1];
176 int i=0;
178 sscanf(&line[*eaten], DEF_NAM_FMT ":%n", tmpstr,&i);
179 if (!i) {
180 rrd_set_error("Could not parse line '%s'",line);
181 return 1;
182 }
183 (*eaten)+=i;
184 dprintf("- Found candidate vname '%s'\n",tmpstr);
186 if ((gdp->vidx=find_var(im,tmpstr))<0) {
187 rrd_set_error("Not a valid vname: %s in line %s",tmpstr,line);
188 return 1;
189 }
190 switch (im->gdes[gdp->vidx].gf) {
191 case GF_DEF:
192 case GF_CDEF:
193 dprintf("- vname is of type DEF or CDEF, looking for CF\n");
194 if (rrd_parse_CF(line,eaten,gdp,&gdp->cf)) return 1;
195 break;
196 case GF_VDEF:
197 dprintf("- vname is of type VDEF\n");
198 break;
199 default:
200 rrd_set_error("Encountered unknown type variable '%s'",tmpstr);
201 return 1;
202 }
204 if (rrd_parse_legend(line,eaten,gdp)) return 1;
205 /* for *PRINT the legend itself gets rendered later. We only
206 get the format at this juncture */
207 strcpy(gdp->format,gdp->legend);
208 gdp->legend[0]='\0';
209 return 0;
210 }
212 int
213 rrd_parse_shift(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
214 char *l = strdup(line + *eaten), *p;
215 int rc = 1;
217 p = strchr(l, ':');
218 if (p == NULL) {
219 rrd_set_error("Invalid SHIFT syntax");
220 goto out;
221 }
222 *p++ = '\0';
224 if ((gdp->vidx=find_var(im,l))<0) {
225 rrd_set_error("Not a valid vname: %s in line %s",l,line);
226 goto out;
227 }
229 /* constant will parse; otherwise, must be VDEF reference */
230 if (sscanf(p, "%ld", &gdp->shval) != 1) {
231 graph_desc_t *vdp;
233 if ((gdp->shidx=find_var(im, p))<0) {
234 rrd_set_error("invalid offset vname: %s", p);
235 goto out;
236 }
238 vdp = &im->gdes[gdp->shidx];
239 if (vdp->gf != GF_VDEF) {
240 rrd_set_error("offset must specify value or VDEF");
241 goto out;
242 }
243 } else {
244 gdp->shidx = -1;
245 }
247 *eaten = strlen(line);
248 rc = 0;
250 out:
251 free(l);
252 return rc;
253 }
255 int
256 rrd_parse_xport(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
257 char *l = strdup(line + *eaten), *p;
258 int rc = 1;
260 p = strchr(l, ':');
261 if (p != NULL)
262 *p++ = '\0';
263 else
264 p = "";
266 if ((gdp->vidx=find_var(im, l))==-1){
267 rrd_set_error("unknown variable '%s'",l);
268 goto out;
269 }
271 if (strlen(p) >= FMT_LEG_LEN)
272 *(p + FMT_LEG_LEN) = '\0';
274 strcpy(gdp->legend, p);
275 *eaten = strlen(line);
276 rc = 0;
278 out:
279 free(l);
280 return rc;
281 }
283 /* Parsing of PART, VRULE, HRULE, LINE, AREA, STACK and TICK
284 ** is done in one function.
285 **
286 ** Stacking PART, VRULE, HRULE or TICK is not allowed.
287 **
288 ** If a number (which is valid to enter) is more than a
289 ** certain amount of characters, it is caught as an error.
290 ** While this is arguable, so is entering fixed numbers
291 ** with more than MAX_VNAME_LEN significant digits.
292 */
293 int
294 rrd_parse_PVHLAST(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
295 int i,j,k;
296 int colorfound=0;
297 char tmpstr[MAX_VNAME_LEN + 10]; /* vname#RRGGBBAA\0 */
299 dprintf("- parsing '%s'\n",&line[*eaten]);
301 i=scan_for_col(&line[*eaten],MAX_VNAME_LEN+9,tmpstr);
302 if (line[*eaten+i]!='\0' && line[*eaten+i]!=':') {
303 rrd_set_error("Cannot parse line '%s'",line);
304 return 1;
305 }
307 j=i; while (j>0 && tmpstr[j]!='#') j--;
309 if (j) {
310 tmpstr[j]='\0';
311 }
313 dprintf("- examining value '%s'\n",tmpstr);
314 k=0;
315 if (gdp->gf == GF_VRULE) {
316 sscanf(tmpstr,"%li%n",&gdp->xrule,&k);
317 if (k) dprintf("- found time: %li\n",gdp->xrule);
318 } else {
319 sscanf(tmpstr,"%lf%n",&gdp->yrule,&k);
320 if (k) dprintf("- found number: %f\n",gdp->yrule);
321 }
322 if (!k) {
323 if ((gdp->vidx=find_var(im,tmpstr))<0) {
324 rrd_set_error("Not a valid vname: %s in line %s",tmpstr,line);
325 return 1;
326 }
327 dprintf("- found vname: '%s' vidx %li\n",tmpstr,gdp->vidx);
328 }
330 if (j) {
331 j++;
332 dprintf("- examining color '%s'\n",&tmpstr[j]);
333 if (rrd_parse_color(&tmpstr[j],gdp)) {
334 rrd_set_error("Could not parse color in '%s'",&tmpstr[j]);
335 return 1;
336 }
337 dprintf("- parsed color 0x%08x\n",(unsigned int)gdp->col);
338 colorfound=1;
339 } else {
340 dprintf("- no color present in '%s'\n",tmpstr);
341 }
343 (*eaten) += i; /* after vname#color */
344 if (line[*eaten]!='\0') {
345 (*eaten)++; /* after colon */
346 }
348 if (gdp->gf == GF_TICK) {
349 dprintf("- parsing '%s'\n",&line[*eaten]);
350 dprintf("- looking for optional TICK number\n");
351 j=0;
352 sscanf(&line[*eaten],"%lf%n",&gdp->yrule,&j);
353 if (j) {
354 if (line[*eaten+j]!='\0' && line[*eaten+j]!=':') {
355 rrd_set_error("Cannot parse TICK fraction '%s'",line);
356 return 1;
357 }
358 dprintf("- found number %f\n",gdp->yrule);
359 if (gdp->yrule > 1.0 || gdp->yrule < -1.0) {
360 rrd_set_error("Tick factor should be <= 1.0");
361 return 1;
362 }
363 (*eaten)+=j;
364 } else {
365 dprintf("- not found, defaulting to 0.1\n");
366 gdp->yrule=0.1;
367 }
368 if (line[*eaten] == '\0') {
369 dprintf("- done parsing line\n");
370 return 0;
371 } else { if (line[*eaten] == ':') {
372 (*eaten)++;
373 } else {
374 rrd_set_error("Can't make sense of that TICK line");
375 return 1;
376 }
377 }
378 }
380 dprintf("- parsing '%s'\n",&line[*eaten]);
382 /* Legend is next. A legend without a color is an error.
383 ** Stacking an item without having a legend is OK however
384 ** then an empty legend should be specified.
385 ** LINE:val#color:STACK means legend is string "STACK"
386 ** LINE:val#color::STACK means no legend, and do STACK
387 ** LINE:val:STACK is an error (legend but no color)
388 ** LINE:val::STACK means no legend, and do STACK
389 */
390 if (colorfound) {
391 char c1,c2;
392 int err=0;
393 char *linecp = strdup(line);
394 dprintf("- looking for optional legend\n");
396 /* The legend needs to be prefixed with "m ". This then gets
397 ** replaced by the color box. */
399 dprintf("- examining '%s'\n",&line[*eaten]);
401 (*eaten)--;
402 linecp[*eaten]=' ';
403 (*eaten)--;
404 linecp[*eaten]='m';
406 if (rrd_parse_legend(linecp, eaten, gdp)) err=1;
408 free(linecp);
409 if (err) return 1;
411 dprintf("- found legend '%s'\n", &gdp->legend[2]);
412 } else {
413 dprintf("- skipping empty legend\n");
414 if (line[*eaten] != '\0' && line[*eaten] != ':') {
415 rrd_set_error("Legend set but no color: %s",&line[*eaten]);
416 return 1;
417 }
418 }
419 if (line[*eaten]=='\0') {
420 dprintf("- done parsing line\n");
421 return 0;
422 }
423 (*eaten)++; /* after colon */
425 /* PART, HRULE, VRULE and TICK cannot be stacked. */
426 if ( (gdp->gf == GF_HRULE)
427 || (gdp->gf == GF_VRULE)
428 #ifdef WITH_PIECHART
429 || (gdp->gf == GF_PART)
430 #endif
431 || (gdp->gf == GF_TICK)
432 ) return 0;
434 dprintf("- parsing '%s'\n",&line[*eaten]);
435 if (line[*eaten]!='\0') {
436 dprintf("- still more, should be STACK\n");
437 j=scan_for_col(&line[*eaten],5,tmpstr);
438 if (line[*eaten+j]!='\0' && line[*eaten+j]!=':') {
439 /* not 5 chars */
440 rrd_set_error("Garbage found where STACK expected");
441 return 1;
442 }
443 if (!strcmp("STACK",tmpstr)) {
444 dprintf("- found STACK\n");
445 gdp->stack=1;
446 (*eaten)+=j;
447 } else {
448 rrd_set_error("Garbage found where STACK expected");
449 return 1;
450 }
451 }
452 if (line[*eaten]=='\0') {
453 dprintf("- done parsing line\n");
454 return 0;
455 }
456 (*eaten)++;
457 dprintf("- parsing '%s'\n",&line[*eaten]);
459 /* have simpler code in the drawing section */
460 if ( gdp->gf == GF_STACK ){
461 gdp->stack=1;
462 }
463 return 0;
464 }
466 int
467 rrd_parse_vname(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
468 char tmpstr[MAX_VNAME_LEN + 10];
469 int i=0;
471 sscanf(&line[*eaten], DEF_NAM_FMT "=%n", tmpstr,&i);
472 if (!i) {
473 rrd_set_error("Cannot parse vname from '%s'",line);
474 return 1;
475 }
476 dprintf("- found candidate '%s'\n",tmpstr);
478 if ((gdp->vidx=find_var(im,tmpstr))>=0) {
479 rrd_set_error("Attempting to reuse '%s'",im->gdes[gdp->vidx].vname);
480 return 1;
481 }
482 strcpy(gdp->vname,tmpstr);
483 dprintf("- created vname '%s' vidx %lu\n", gdp->vname,im->gdes_c-1);
484 (*eaten)+=i;
485 return 0;
486 }
488 int
489 rrd_parse_def(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
490 int i=0;
491 char command[7]; /* step, start, end, reduce */
492 char tmpstr[256];
493 struct rrd_time_value start_tv,end_tv;
494 time_t start_tmp=0,end_tmp=0;
495 char *parsetime_error=NULL;
497 start_tv.type = end_tv.type=ABSOLUTE_TIME;
498 start_tv.offset = end_tv.offset=0;
499 localtime_r(&gdp->start, &start_tv.tm);
500 localtime_r(&gdp->end, &end_tv.tm);
502 dprintf("- parsing '%s'\n",&line[*eaten]);
503 dprintf("- from line '%s'\n",line);
505 if (rrd_parse_vname(line,eaten,gdp,im)) return 1;
506 i=scan_for_col(&line[*eaten],254,gdp->rrd);
507 if (line[*eaten+i]!=':') {
508 rrd_set_error("Problems reading database name");
509 return 1;
510 }
511 (*eaten)+=++i;
512 dprintf("- using file '%s'\n",gdp->rrd);
514 i=0;
515 sscanf(&line[*eaten], DS_NAM_FMT ":%n", gdp->ds_nam,&i);
516 if (!i) {
517 rrd_set_error("Cannot parse DS in '%s'",line);
518 return 1;
519 }
520 (*eaten)+=i;
521 dprintf("- using DS '%s'\n",gdp->ds_nam);
523 if (rrd_parse_CF(line,eaten,gdp,&gdp->cf)) return 1;
524 gdp->cf_reduce = gdp->cf;
526 if (line[*eaten]=='\0') return 0;
528 while (1) {
529 dprintf("- optional parameter follows: %s\n", &line[*eaten]);
530 i=0;
531 sscanf(&line[*eaten], "%6[a-z]=%n", command, &i);
532 if (!i) {
533 rrd_set_error("Parse error in '%s'",line);
534 return 1;
535 }
536 (*eaten)+=i;
537 dprintf("- processing '%s'\n",command);
538 if (!strcmp("reduce",command)) {
539 if (rrd_parse_CF(line,eaten,gdp,&gdp->cf_reduce)) return 1;
540 if (line[*eaten] != '\0')
541 (*eaten)--;
542 } else if (!strcmp("step",command)) {
543 i=0;
544 sscanf(&line[*eaten],"%lu%n",&gdp->step,&i);
545 (*eaten)+=i;
546 dprintf("- using step %lu\n",gdp->step);
547 } else if (!strcmp("start",command)) {
548 i=scan_for_col(&line[*eaten],255,tmpstr);
549 (*eaten)+=i;
550 if ((parsetime_error = parsetime(tmpstr, &start_tv))) {
551 rrd_set_error( "start time: %s", parsetime_error );
552 return 1;
553 }
554 dprintf("- done parsing: '%s'\n",&line[*eaten]);
555 } else if (!strcmp("end",command)) {
556 i=scan_for_col(&line[*eaten],255,tmpstr);
557 (*eaten)+=i;
558 if ((parsetime_error = parsetime(tmpstr, &end_tv))) {
559 rrd_set_error( "end time: %s", parsetime_error );
560 return 1;
561 }
562 dprintf("- done parsing: '%s'\n",&line[*eaten]);
563 } else {
564 rrd_set_error("Parse error in '%s'",line);
565 return 1;
566 }
567 if (line[*eaten]=='\0') break;
568 if (line[*eaten]!=':') {
569 dprintf("- Expected to see end of string but got '%s'\n",\
570 &line[*eaten]);
571 rrd_set_error("Parse error in '%s'",line);
572 return 1;
573 }
574 (*eaten)++;
575 }
576 if (proc_start_end(&start_tv,&end_tv,&start_tmp,&end_tmp) == -1){
577 /* error string is set in parsetime.c */
578 return 1;
579 }
580 if (start_tmp < 3600*24*365*10) {
581 rrd_set_error("the first entry to fetch should be "
582 "after 1980 (%ld)",start_tmp);
583 return 1;
584 }
586 if (end_tmp < start_tmp) {
587 rrd_set_error("start (%ld) should be less than end (%ld)",
588 start_tmp, end_tmp);
589 return 1;
590 }
592 gdp->start = start_tmp;
593 gdp->end = end_tmp;
595 dprintf("- start time %lu\n",gdp->start);
596 dprintf("- end time %lu\n",gdp->end);
598 return 0;
599 }
601 int
602 rrd_parse_vdef(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
603 char tmpstr[MAX_VNAME_LEN+1]; /* vname\0 */
604 int i=0;
606 dprintf("- parsing '%s'\n",&line[*eaten]);
607 if (rrd_parse_vname(line,eaten,gdp,im)) return 1;
609 sscanf(&line[*eaten], DEF_NAM_FMT ",%n", tmpstr,&i);
610 if (!i) {
611 rrd_set_error("Cannot parse line '%s'",line);
612 return 1;
613 }
614 if ((gdp->vidx=find_var(im,tmpstr))<0) {
615 rrd_set_error("Not a valid vname: %s in line %s",tmpstr,line);
616 return 1;
617 }
618 if ( im->gdes[gdp->vidx].gf != GF_DEF
619 && im->gdes[gdp->vidx].gf != GF_CDEF) {
620 rrd_set_error("variable '%s' not DEF nor "
621 "CDEF in VDEF '%s'", tmpstr,gdp->vname);
622 return 1;
623 }
624 dprintf("- found vname: '%s' vidx %li\n",tmpstr,gdp->vidx);
625 (*eaten)+=i;
627 dprintf("- calling vdef_parse with param '%s'\n",&line[*eaten]);
628 vdef_parse(gdp,&line[*eaten]);
629 while (line[*eaten]!='\0'&&line[*eaten]!=':')
630 (*eaten)++;
632 return 0;
633 }
635 int
636 rrd_parse_cdef(char *line, unsigned int *eaten, graph_desc_t *gdp, image_desc_t *im) {
637 dprintf("- parsing '%s'\n",&line[*eaten]);
638 if (rrd_parse_vname(line,eaten,gdp,im)) return 1;
639 if ((gdp->rpnp = rpn_parse(
640 (void *)im,
641 &line[*eaten],
642 &find_var_wrapper)
643 )==NULL) {
644 rrd_set_error("invalid rpn expression in: %s",&line[*eaten]);
645 return 1;
646 };
647 while (line[*eaten]!='\0'&&line[*eaten]!=':')
648 (*eaten)++;
649 return 0;
650 }
652 void
653 rrd_graph_script(int argc, char *argv[], image_desc_t *im, int optno) {
654 int i;
656 for (i=optind+optno;i<argc;i++) {
657 graph_desc_t *gdp;
658 unsigned int eaten=0;
660 if (gdes_alloc(im)) return; /* the error string is already set */
661 gdp = &im->gdes[im->gdes_c-1];
662 #ifdef DEBUG
663 gdp->debug = 1;
664 #endif
666 if (rrd_parse_find_gf(argv[i],&eaten,gdp)) return;
668 switch (gdp->gf) {
669 case GF_SHIFT: /* vname:value */
670 if (rrd_parse_shift(argv[i],&eaten,gdp,im)) return;
671 break;
672 case GF_XPORT:
673 if (rrd_parse_xport(argv[i],&eaten,gdp,im)) return;
674 break;
675 case GF_PRINT: /* vname:CF:format -or- vname:format */
676 case GF_GPRINT: /* vname:CF:format -or- vname:format */
677 if (rrd_parse_print(argv[i],&eaten,gdp,im)) return;
678 break;
679 case GF_COMMENT: /* text */
680 if (rrd_parse_legend(argv[i],&eaten,gdp)) return;
681 break;
682 case GF_STACK: /* vname-or-value[#color[:legend]] */
683 #ifdef WITH_PIECHART
684 case GF_PART: /* value[#color[:legend]] */
685 #endif
686 case GF_VRULE: /* value#color[:legend] */
687 case GF_HRULE: /* value#color[:legend] */
688 case GF_LINE: /* vname-or-value[#color[:legend]][:STACK] */
689 case GF_AREA: /* vname-or-value[#color[:legend]][:STACK] */
690 case GF_TICK: /* vname#color[:num[:legend]] */
691 if (rrd_parse_PVHLAST(argv[i],&eaten,gdp,im)) return;
692 break;
693 /* data acquisition */
694 case GF_DEF: /* vname=x:DS:CF:[:step=#][:start=#][:end=#] */
695 if (rrd_parse_def(argv[i],&eaten,gdp,im)) return;
696 break;
697 case GF_CDEF: /* vname=rpn-expression */
698 if (rrd_parse_cdef(argv[i],&eaten,gdp,im)) return;
699 break;
700 case GF_VDEF: /* vname=rpn-expression */
701 if (rrd_parse_vdef(argv[i],&eaten,gdp,im)) return;
702 break;
703 }
704 if (gdp->debug) {
705 dprintf("used %i out of %i chars\n",eaten,strlen(argv[i]));
706 dprintf("parsed line: '%s'\n",argv[i]);
707 dprintf("remaining: '%s'\n",&argv[i][eaten]);
708 if (eaten >= strlen(argv[i]))
709 dprintf("Command finished successfully\n");
710 }
711 if (eaten < strlen(argv[i])) {
712 rrd_set_error("Garbage '%s' after command:\n%s",
713 &argv[i][eaten],argv[i]);
714 return;
715 }
716 }
717 }