1 /*****************************************************************************
2 * RRDtool 1.2.12 Copyright by Tobi Oetiker, 1997-2005
3 *****************************************************************************
4 * rrd_tool.c Startup wrapper
5 *****************************************************************************/
7 #include "rrd_tool.h"
8 #include "rrd_xport.h"
10 void PrintUsage(char *cmd);
11 int CountArgs(char *aLine);
12 int CreateArgs(char *, char *, int, char **);
13 int HandleInputLine(int, char **, FILE*);
14 int RemoteMode=0;
15 int ChangeRoot=0;
16 #define TRUE 1
17 #define FALSE 0
18 #define MAX_LENGTH 10000
21 void PrintUsage(char *cmd)
22 {
24 char help_main[] =
25 "RRDtool " PACKAGE_VERSION " Copyright 1997-2005 by Tobias Oetiker <tobi@oetiker.ch>\n"
26 " Compiled " __DATE__ " " __TIME__ "\n\n"
27 "Usage: rrdtool [options] command command_options\n\n";
29 char help_list[] =
30 "Valid commands: create, update, updatev, graph, dump, restore,\n"
31 "\t\tlast, first, info, fetch, tune, resize, xport\n\n";
33 char help_listremote[] =
34 "Valid remote commands: quit, ls, cd, mkdir\n\n";
37 char help_create[] =
38 "* create - create a new RRD\n\n"
39 "\trrdtool create filename [--start|-b start time]\n"
40 "\t\t[--step|-s step]\n"
41 "\t\t[DS:ds-name:DST:dst arguments]\n"
42 "\t\t[RRA:CF:cf arguments]\n\n";
44 char help_dump[] =
45 "* dump - dump an RRD to XML\n\n"
46 "\trrdtool dump filename.rrd >filename.xml\n\n";
48 char help_info[] =
49 "* info - returns the configuration and status of the RRD\n\n"
50 "\trrdtool info filename.rrd\n\n";
52 char help_restore[] =
53 "* restore - restore an RRD file from its XML form\n\n"
54 "\trrdtool restore [--range-check|-r] [--force-overwrite|-f] filename.xml filename.rrd\n\n";
56 char help_last[] =
57 "* last - show last update time for RRD\n\n"
58 "\trrdtool last filename.rrd\n\n";
60 char help_first[] =
61 "* first - show first update time for RRA within an RRD\n\n"
62 "\trrdtool first filename.rrd [--rraindex number]\n\n";
64 char help_update[] =
65 "* update - update an RRD\n\n"
66 "\trrdtool update filename\n"
67 "\t\t--template|-t ds-name:ds-name:...\n"
68 "\t\ttime|N:value[:value...]\n\n"
69 "\t\tat-time@value[:value...]\n\n"
70 "\t\t[ time:value[:value...] ..]\n\n";
72 char help_updatev[] =
73 "* updatev - a verbose version of update\n"
74 "\treturns information about values, RRAs, and datasources updated\n\n"
75 "\trrdtool updatev filename\n"
76 "\t\t--template|-t ds-name:ds-name:...\n"
77 "\t\ttime|N:value[:value...]\n\n"
78 "\t\tat-time@value[:value...]\n\n"
79 "\t\t[ time:value[:value...] ..]\n\n";
81 char help_fetch[] =
82 "* fetch - fetch data out of an RRD\n\n"
83 "\trrdtool fetch filename.rrd CF\n"
84 "\t\t[-r|--resolution resolution]\n"
85 "\t\t[-s|--start start] [-e|--end end]\n\n";
87 /* break up very large strings (help_graph, help_tune) for ISO C89 compliance*/
89 char help_graph1[] =
90 "* graph - generate a graph from one or several RRD\n\n"
91 "\trrdtool graph filename [-s|--start seconds] [-e|--end seconds]\n"
92 "\t\t[-x|--x-grid x-axis grid and label]\n"
93 "\t\t[-Y|--alt-y-grid]\n"
94 "\t\t[-y|--y-grid y-axis grid and label]\n"
95 "\t\t[-v|--vertical-label string] [-w|--width pixels]\n"
96 "\t\t[-h|--height pixels] [-o|--logarithmic]\n"
97 "\t\t[-u|--upper-limit value] [-z|--lazy]\n"
98 "\t\t[-l|--lower-limit value] [-r|--rigid]\n"
99 "\t\t[-g|--no-legend]\n"
100 "\t\t[-F|--force-rules-legend]\n"
101 "\t\t[-j|--only-graph]\n";
102 char help_graph2[] =
103 "\t\t[-n|--font FONTTAG:size:font]\n"
104 "\t\t[-m|--zoom factor]\n"
105 "\t\t[-A|--alt-autoscale]\n"
106 "\t\t[-M|--alt-autoscale-max]\n"
107 "\t\t[-R|--font-render-mode {normal,light,mono}]\n"
108 "\t\t[-B|--font-smoothing-threshold size]\n"
109 "\t\t[-E|--slope-mode]\n"
110 "\t\t[-N|--no-gridfit]\n"
111 "\t\t[-X|--units-exponent value]\n"
112 "\t\t[-L|--units-length value]\n"
113 "\t\t[-S|--step seconds]\n"
114 "\t\t[-f|--imginfo printfstr]\n"
115 "\t\t[-a|--imgformat PNG]\n"
116 "\t\t[-c|--color COLORTAG#rrggbb[aa]] [-t|--title string]\n"
117 "\t\t[DEF:vname=rrd:ds-name:CF]\n"
118 "\t\t[CDEF:vname=rpn-expression]\n";
119 char help_graph3[] =
120 "\t\t[VDEF:vdefname=rpn-expression]\n"
121 "\t\t[PRINT:vdefname:format]\n"
122 "\t\t[GPRINT:vdefname:format]\n"
123 "\t\t[COMMENT:text]\n"
124 "\t\t[SHIFT:vname:offset]\n"
125 "\t\t[TICK:vname#rrggbb[aa][:[fraction][:legend]]]\n"
126 "\t\t[HRULE:value#rrggbb[aa][:legend]]\n"
127 "\t\t[VRULE:value#rrggbb[aa][:legend]]\n"
128 "\t\t[LINE[width]:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
129 "\t\t[AREA:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
130 "\t\t[PRINT:vname:CF:format] (deprecated)\n"
131 "\t\t[GPRINT:vname:CF:format] (deprecated)\n"
132 "\t\t[STACK:vname[#rrggbb[aa][:legend]]] (deprecated)\n\n";
134 char help_tune1[] =
135 " * tune - Modify some basic properties of an RRD\n\n"
136 "\trrdtool tune filename\n"
137 "\t\t[--heartbeat|-h ds-name:heartbeat]\n"
138 "\t\t[--data-source-type|-d ds-name:DST]\n"
139 "\t\t[--data-source-rename|-r old-name:new-name]\n"
140 "\t\t[--minimum|-i ds-name:min] [--maximum|-a ds-name:max]\n"
141 "\t\t[--deltapos scale-value] [--deltaneg scale-value]\n"
142 "\t\t[--failure-threshold integer]\n"
143 "\t\t[--window-length integer]\n"
144 "\t\t[--alpha adaptation-parameter]\n";
145 char help_tune2[] =
146 " * tune - Modify some basic properties of an RRD\n\n"
147 "\t\t[--beta adaptation-parameter]\n"
148 "\t\t[--gamma adaptation-parameter]\n"
149 "\t\t[--gamma-deviation adaptation-parameter]\n"
150 "\t\t[--aberrant-reset ds-name]\n\n";
152 char help_resize[] =
153 " * resize - alter the length of one of the RRAs in an RRD\n\n"
154 "\trrdtool resize filename rranum GROW|SHRINK rows\n\n";
156 char help_xport[] =
157 "* xport - generate XML dump from one or several RRD\n\n"
158 "\trrdtool xport [-s|--start seconds] [-e|--end seconds]\n"
159 "\t\t[-m|--maxrows rows]\n"
160 "\t\t[--step seconds]\n"
161 "\t\t[DEF:vname=rrd:ds-name:CF]\n"
162 "\t\t[CDEF:vname=rpn-expression]\n"
163 "\t\t[XPORT:vname:legend]\n\n";
165 char help_quit[] =
166 " * quit - closing a session in remote mode\n\n"
167 "\trrdtool quit\n\n";
169 char help_ls[] =
170 " * ls - lists all *.rrd files in current directory\n\n"
171 "\trrdtool ls\n\n";
173 char help_cd[] =
174 " * cd - changes the current directory\n\n"
175 "\trrdtool cd new directory\n\n";
177 char help_mkdir[] =
178 " * mkdir - creates a new directory\n\n"
179 "\trrdtool mkdir newdirectoryname\n\n";
181 char help_lic[] =
182 "RRDtool is distributed under the Terms of the GNU General\n"
183 "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
185 "For more information read the RRD manpages\n\n";
187 enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST, C_FIRST,
188 C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
189 C_QUIT, C_LS, C_CD, C_MKDIR, C_UPDATEV };
191 int help_cmd = C_NONE;
193 if (cmd)
194 {
195 if (!strcmp(cmd,"create"))
196 help_cmd = C_CREATE;
197 else if (!strcmp(cmd,"dump"))
198 help_cmd = C_DUMP;
199 else if (!strcmp(cmd,"info"))
200 help_cmd = C_INFO;
201 else if (!strcmp(cmd,"restore"))
202 help_cmd = C_RESTORE;
203 else if (!strcmp(cmd,"last"))
204 help_cmd = C_LAST;
205 else if (!strcmp(cmd,"first"))
206 help_cmd = C_FIRST;
207 else if (!strcmp(cmd,"update"))
208 help_cmd = C_UPDATE;
209 else if (!strcmp(cmd,"updatev"))
210 help_cmd = C_UPDATEV;
211 else if (!strcmp(cmd,"fetch"))
212 help_cmd = C_FETCH;
213 else if (!strcmp(cmd,"graph"))
214 help_cmd = C_GRAPH;
215 else if (!strcmp(cmd,"tune"))
216 help_cmd = C_TUNE;
217 else if (!strcmp(cmd,"resize"))
218 help_cmd = C_RESIZE;
219 else if (!strcmp(cmd,"xport"))
220 help_cmd = C_XPORT;
221 else if (!strcmp(cmd,"quit"))
222 help_cmd = C_QUIT;
223 else if (!strcmp(cmd,"ls"))
224 help_cmd = C_LS;
225 else if (!strcmp(cmd,"cd"))
226 help_cmd = C_CD;
227 else if (!strcmp(cmd,"mkdir"))
228 help_cmd = C_MKDIR;
229 }
230 fputs(help_main, stdout);
231 switch (help_cmd)
232 {
233 case C_NONE:
234 fputs(help_list, stdout);
235 if (RemoteMode){
236 fputs(help_listremote, stdout);
237 }
238 break;
239 case C_CREATE:
240 fputs(help_create, stdout);
241 break;
242 case C_DUMP:
243 fputs(help_dump, stdout);
244 break;
245 case C_INFO:
246 fputs(help_info, stdout);
247 break;
248 case C_RESTORE:
249 fputs(help_restore, stdout);
250 break;
251 case C_LAST:
252 fputs(help_last, stdout);
253 break;
254 case C_FIRST:
255 fputs(help_first, stdout);
256 break;
257 case C_UPDATE:
258 fputs(help_update, stdout);
259 break;
260 case C_UPDATEV:
261 fputs(help_updatev, stdout);
262 break;
263 case C_FETCH:
264 fputs(help_fetch, stdout);
265 break;
266 case C_GRAPH:
267 fputs(help_graph1, stdout);
268 fputs(help_graph2, stdout);
269 fputs(help_graph3, stdout);
270 break;
271 case C_TUNE:
272 fputs(help_tune1, stdout);
273 fputs(help_tune2, stdout);
274 break;
275 case C_RESIZE:
276 fputs(help_resize, stdout);
277 break;
278 case C_XPORT:
279 fputs(help_xport, stdout);
280 break;
281 case C_QUIT:
282 fputs(help_quit, stdout);
283 break;
284 case C_LS:
285 fputs(help_ls, stdout);
286 break;
287 case C_CD:
288 fputs(help_cd, stdout);
289 break;
290 case C_MKDIR:
291 fputs(help_mkdir, stdout);
292 break;
293 }
294 fputs(help_lic, stdout);
295 }
298 int main(int argc, char *argv[])
299 {
300 char **myargv;
301 char aLine[MAX_LENGTH];
302 char *firstdir="";
303 #ifdef MUST_DISABLE_SIGFPE
304 signal(SIGFPE,SIG_IGN);
305 #endif
306 #ifdef MUST_DISABLE_FPMASK
307 fpsetmask(0);
308 #endif
309 if (argc == 1)
310 {
311 PrintUsage("");
312 return 0;
313 }
315 if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
316 {
317 #if HAVE_GETRUSAGE
318 struct rusage myusage;
319 struct timeval starttime;
320 struct timeval currenttime;
321 struct timezone tz;
323 tz.tz_minuteswest =0;
324 tz.tz_dsttime=0;
325 gettimeofday(&starttime,&tz);
326 #endif
327 RemoteMode=1;
328 if ((argc == 3) && strcmp("",argv[2])){
330 if (
331 #ifdef HAVE_GETUID
332 getuid()
333 #else
334 1
335 #endif
336 == 0 ){
338 #ifdef HAVE_CHROOT
339 chroot(argv[2]);
340 if (errno!=0){
341 fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
342 argv[2],errno);
343 exit(errno);
344 }
345 ChangeRoot=1;
346 firstdir="/";
347 #else
348 fprintf(stderr,"ERROR: change root is not supported by your OS "
349 "or at least by this copy of rrdtool\n");
350 exit(1);
351 #endif
352 } else {
353 firstdir=argv[2];
354 }
355 }
356 if (strcmp(firstdir,"")){
357 chdir(firstdir);
358 if (errno!=0){
359 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
360 exit(errno);
361 }
362 }
364 while (fgets(aLine, sizeof(aLine)-1, stdin)){
365 if ((argc = CountArgs(aLine)) == 0) {
366 fprintf(stderr,"ERROR: not enough arguments\n");
367 }
368 if ((myargv = (char **) malloc((argc+1) *
369 sizeof(char *))) == NULL) {
370 perror("malloc");
371 exit(1);
372 }
373 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
374 printf("ERROR: creating arguments\n");
375 } else {
376 int ret = HandleInputLine(argc, myargv, stdout);
377 free(myargv);
378 if (ret == 0){
381 #if HAVE_GETRUSAGE
382 getrusage(RUSAGE_SELF,&myusage);
383 gettimeofday(¤ttime,&tz);
384 printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
385 (double)myusage.ru_utime.tv_sec+
386 (double)myusage.ru_utime.tv_usec/1000000.0,
387 (double)myusage.ru_stime.tv_sec+
388 (double)myusage.ru_stime.tv_usec/1000000.0,
389 (double)(currenttime.tv_sec-starttime.tv_sec)
390 +(double)(currenttime.tv_usec-starttime.tv_usec)
391 /1000000.0);
392 #else
393 printf("OK\n");
395 #endif
396 }
397 }
398 fflush(stdout); /* this is important for pipes to work */
399 }
400 }
401 else if (argc == 2)
402 {
403 PrintUsage(argv[1]);
404 exit(0);
405 }
406 else if (argc == 3 && !strcmp(argv[1],"help"))
407 {
408 PrintUsage(argv[2]);
409 exit(0);
410 }
411 else {
412 exit(HandleInputLine(argc, argv, stderr));
413 }
414 return 0;
415 }
417 /* HandleInputLine is NOT thread safe - due to readdir issues,
418 resolving them portably is not really simple. */
419 int HandleInputLine(int argc, char **argv, FILE* out)
420 {
421 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
422 DIR *curdir; /* to read current dir with ls */
423 struct dirent *dent;
424 #endif
425 #if defined(HAVE_SYS_STAT_H)
426 struct stat st;
427 #endif
429 if (RemoteMode){
430 if (argc>1 && strcmp("quit", argv[1]) == 0){
431 if (argc>2){
432 printf("ERROR: invalid parameter count for quit\n");
433 return(1);
434 }
435 exit(0);
436 }
437 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
438 if (argc>1 && strcmp("cd", argv[1]) == 0){
439 if (argc>3){
440 printf("ERROR: invalid parameter count for cd\n");
441 return(1);
442 }
443 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
444 if (getuid()==0 && ! ChangeRoot){
445 printf("ERROR: chdir security problem - rrdtool is running as "
446 "root but not chroot!\n");
447 return(1);
448 }
449 #endif
450 chdir(argv[2]);
451 if (errno!=0){
452 printf("ERROR: %s\n",rrd_strerror(errno));
453 return(1);
454 }
455 return(0);
456 }
457 if (argc>1 && strcmp("mkdir", argv[1]) == 0){
458 if (argc>3){
459 printf("ERROR: invalid parameter count for mkdir\n");
460 return(1);
461 }
462 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
463 if (getuid()==0 && ! ChangeRoot){
464 printf("ERROR: mkdir security problem - rrdtool is running as "
465 "root but not chroot!\n");
466 return(1);
467 }
468 #endif
469 mkdir(argv[2],0777);
470 if (errno!=0){
471 printf("ERROR: %s\n",rrd_strerror(errno));
472 return(1);
473 }
474 return(0);
475 }
476 if (argc>1 && strcmp("ls", argv[1]) == 0){
477 if (argc>2){
478 printf("ERROR: invalid parameter count for ls\n");
479 return(1);
480 }
481 if ((curdir=opendir("."))!=NULL){
482 while((dent=readdir(curdir))!=NULL){
483 if (!stat(dent->d_name,&st)){
484 if (S_ISDIR(st.st_mode)){
485 printf("d %s\n",dent->d_name);
486 }
487 if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
488 if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
489 !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
490 printf("- %s\n",dent->d_name);
491 }
492 }
493 }
494 }
495 }
496 else{
497 printf("ERROR: %s\n",rrd_strerror(errno));
498 return(errno);
499 }
500 return(0);
501 }
502 #endif /* opendir and readdir */
504 }
505 if (argc < 3
506 || strcmp("help", argv[1]) == 0
507 || strcmp("--help", argv[1]) == 0
508 || strcmp("-help", argv[1]) == 0
509 || strcmp("-?", argv[1]) == 0
510 || strcmp("-h", argv[1]) == 0 ) {
511 PrintUsage("");
512 return 0;
513 }
515 if (strcmp("create", argv[1]) == 0)
516 rrd_create(argc-1, &argv[1]);
517 else if (strcmp("dump", argv[1]) == 0)
518 rrd_dump(argc-1, &argv[1]);
519 else if (strcmp("info", argv[1]) == 0
520 || strcmp("updatev", argv[1]) == 0){
521 info_t *data,*save;
522 if (strcmp("info",argv[1]) == 0)
523 data=rrd_info(argc-1, &argv[1]);
524 else
525 data=rrd_update_v(argc-1, &argv[1]);
526 while (data) {
527 save=data;
528 printf ("%s = ", data->key);
529 free(data->key);
531 switch (data->type) {
532 case RD_I_VAL:
533 if (isnan (data->value.u_val))
534 printf("NaN");
535 else
536 printf ("%0.10e", data->value.u_val);
537 break;
538 case RD_I_CNT:
539 printf ("%lu", data->value.u_cnt);
540 break;
541 case RD_I_INT:
542 printf ("%d", data->value.u_int);
543 break;
544 case RD_I_STR:
545 printf ("\"%s\"", data->value.u_str);
546 free(data->value.u_str);
547 break;
548 }
549 data = data->next;
550 free(save);
551 printf ("\n");
552 }
553 free(data);
554 }
556 else if (strcmp("--version", argv[1]) == 0 ||
557 strcmp("version", argv[1]) == 0 ||
558 strcmp("v", argv[1]) == 0 ||
559 strcmp("-v", argv[1]) == 0 ||
560 strcmp("-version", argv[1]) == 0 )
561 printf("RRDtool " PACKAGE_VERSION " Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
562 rrd_version());
563 else if (strcmp("restore", argv[1]) == 0)
564 rrd_restore(argc-1, &argv[1]);
565 else if (strcmp("resize", argv[1]) == 0)
566 rrd_resize(argc-1, &argv[1]);
567 else if (strcmp("last", argv[1]) == 0)
568 printf("%ld\n",rrd_last(argc-1, &argv[1]));
569 else if (strcmp("first", argv[1]) == 0)
570 printf("%ld\n",rrd_first(argc-1, &argv[1]));
571 else if (strcmp("update", argv[1]) == 0)
572 rrd_update(argc-1, &argv[1]);
573 else if (strcmp("fetch", argv[1]) == 0) {
574 time_t start,end, ti;
575 unsigned long step, ds_cnt,i,ii;
576 rrd_value_t *data,*datai;
577 char **ds_namv;
578 if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
579 datai=data;
580 printf(" ");
581 for (i = 0; i<ds_cnt;i++)
582 printf("%20s",ds_namv[i]);
583 printf ("\n\n");
584 for (ti = start+step; ti <= end; ti += step){
585 printf("%10lu:", ti);
586 for (ii = 0; ii < ds_cnt; ii++)
587 printf(" %0.10e", *(datai++));
588 printf("\n");
589 }
590 for (i=0;i<ds_cnt;i++)
591 free(ds_namv[i]);
592 free(ds_namv);
593 free (data);
594 }
595 } else if (strcmp("xport", argv[1]) == 0) {
596 int xxsize;
597 unsigned long int j = 0;
598 time_t start,end, ti;
599 unsigned long step, col_cnt,row_cnt;
600 rrd_value_t *data,*ptr;
601 char **legend_v;
602 if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
603 row_cnt = (end-start)/step;
604 ptr = data;
605 printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
606 printf("<%s>\n", ROOT_TAG);
607 printf(" <%s>\n", META_TAG);
608 printf(" <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
609 printf(" <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
610 printf(" <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
611 printf(" <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
612 printf(" <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
613 printf(" <%s>\n", LEGEND_TAG);
614 for (j = 0; j < col_cnt; j++) {
615 char *entry = NULL;
616 entry = legend_v[j];
617 printf(" <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
618 free(entry);
619 }
620 free(legend_v);
621 printf(" </%s>\n", LEGEND_TAG);
622 printf(" </%s>\n", META_TAG);
623 printf(" <%s>\n", DATA_TAG);
624 for (ti = start+step; ti <= end; ti += step) {
625 printf (" <%s>", DATA_ROW_TAG);
626 printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
627 for (j = 0; j < col_cnt; j++) {
628 rrd_value_t newval = DNAN;
629 newval = *ptr;
630 if(isnan(newval)){
631 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
632 } else {
633 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
634 };
635 ptr++;
636 }
637 printf("</%s>\n", DATA_ROW_TAG);
638 }
639 free(data);
640 printf(" </%s>\n", DATA_TAG);
641 printf("</%s>\n", ROOT_TAG);
642 }
643 }
644 else if (strcmp("graph", argv[1]) == 0) {
645 char **calcpr;
646 #ifdef notused /*XXX*/
647 const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
648 #endif
649 int xsize, ysize;
650 double ymin,ymax;
651 int i;
652 int tostdout = (strcmp(argv[2],"-") == 0);
653 int imginfo = 0;
654 for (i=2;i<argc;i++){
655 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
656 imginfo = 1;
657 break;
658 }
659 }
660 if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
661 if (!tostdout && !imginfo)
662 printf ("%dx%d\n",xsize,ysize);
663 if (calcpr) {
664 for(i=0;calcpr[i];i++){
665 if (!tostdout)
666 printf("%s\n",calcpr[i]);
667 free(calcpr[i]);
668 }
669 free(calcpr);
670 }
671 }
673 } else if (strcmp("tune", argv[1]) == 0)
674 rrd_tune(argc-1, &argv[1]);
675 else {
676 rrd_set_error("unknown function '%s'",argv[1]);
677 }
678 if (rrd_test_error()) {
679 fprintf(out, "ERROR: %s\n",rrd_get_error());
680 rrd_clear_error();
681 return 1;
682 }
683 return(0);
684 }
686 int CountArgs(char *aLine)
687 {
688 int i=0;
689 int aCount = 0;
690 int inarg = 0;
691 while (aLine[i] == ' ') i++;
692 while (aLine[i] != 0){
693 if((aLine[i]== ' ') && inarg){
694 inarg = 0;
695 }
696 if((aLine[i]!= ' ') && ! inarg){
697 inarg = 1;
698 aCount++;
699 }
700 i++;
701 }
702 return aCount;
703 }
705 /*
706 * CreateArgs - take a string (aLine) and tokenize
707 */
708 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
709 {
710 char *getP, *putP;
711 char **pargv = argv;
712 char Quote = 0;
713 int inArg = 0;
714 int len;
716 len = strlen(aLine);
717 /* remove trailing space and newlines */
718 while (len && aLine[len] <= ' ') {
719 aLine[len] = 0 ; len--;
720 }
721 /* sikp leading blanks */
722 while (*aLine && *aLine <= ' ') aLine++;
724 pargv[0] = pName;
725 argc = 1;
726 getP = aLine;
727 putP = aLine;
728 while (*getP){
729 switch (*getP) {
730 case ' ':
731 if (Quote){
732 *(putP++)=*getP;
733 } else
734 if(inArg) {
735 *(putP++) = 0;
736 inArg = 0;
737 }
738 break;
739 case '"':
740 case '\'':
741 if (Quote != 0) {
742 if (Quote == *getP)
743 Quote = 0;
744 else {
745 *(putP++)=*getP;
746 }
747 } else {
748 if(!inArg){
749 pargv[argc++] = putP;
750 inArg=1;
751 }
752 Quote = *getP;
753 }
754 break;
755 default:
756 if(!inArg){
757 pargv[argc++] = putP;
758 inArg=1;
759 }
760 *(putP++)=*getP;
761 break;
762 }
763 getP++;
764 }
766 *putP = '\0';
768 if (Quote)
769 return -1;
770 else
771 return argc;
772 }