1 /*****************************************************************************
2 * RRDtool 1.1.x Copyright Tobias Oetiker, 1997 - 2004
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 1.1.x Copyright 1997-2004 by Tobias Oetiker <tobi@oetiker.ch>\n"
26 #ifndef WIN32
27 " Compiled " MAKE_TIMESTAMP "\n\n"
28 #else
29 " Compiled " __DATE__ " " __TIME__ "\n\n"
30 #endif
31 "Usage: rrdtool [options] command command_options\n\n";
33 char help_list[] =
34 "Valid commands: create, update, updatev, graph, dump, restore,\n"
35 "\t\tlast, info, fetch, tune, resize, xport\n\n";
37 char help_listremote[] =
38 "Valid remote commands: quit, ls, cd, mkdir\n\n";
41 char help_create[] =
42 "* create - create a new RRD\n\n"
43 "\trrdtool create filename [--start|-b start time]\n"
44 "\t\t[--step|-s step]\n"
45 "\t\t[DS:ds-name:DST:dst arguments]\n"
46 "\t\t[RRA:CF:cf arguments]\n\n";
48 char help_dump[] =
49 "* dump - dump an RRD to XML\n\n"
50 "\trrdtool dump filename.rrd >filename.xml\n\n";
52 char help_info[] =
53 "* info - returns the configuration and status of the RRD\n\n"
54 "\trrdtool info filename.rrd\n\n";
56 char help_restore[] =
57 "* restore - restore an RRD file from its XML form\n\n"
58 "\trrdtool restore [--range-check|-r] [--force-overwrite|-f] filename.xml filename.rrd\n\n";
60 char help_last[] =
61 "* last - show last update time for RRD\n\n"
62 "\trrdtool last filename.rrd\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[--resolution|-r resolution]\n"
85 "\t\t[--start|-s start] [--end|-e 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[--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 char help_graph2[] =
101 "\t\t[-j|--only-graph]\n"
102 "\t\t[--font FONTTAG:size:font]\n"
103 "\t\t[--zoom factor]\n"
104 "\t\t[--alt-autoscale]\n"
105 "\t\t[--alt-autoscale-max]\n"
106 "\t\t[--units-exponent value]\n"
107 "\t\t[--step seconds]\n"
108 "\t\t[-f|--imginfo printfstr]\n"
109 "\t\t[-a|--imgformat PNG]\n"
110 "\t\t[-c|--color COLORTAG#rrggbb[aa]] [-t|--title string]\n";
111 char help_graph3[] =
112 "\t\t[DEF:vname=rrd:ds-name:CF]\n"
113 "\t\t[CDEF:vname=rpn-expression]\n"
114 "\t\t[PRINT:vname:CF:format]\n"
115 "\t\t[GPRINT:vname:CF:format]\n"
116 "\t\t[HRULE:value#rrggbb[aa][:legend]]\n"
117 "\t\t[VRULE:value#rrggbb[aa][:legend]]\n"
118 "\t\t[LINE{1|2|3}:vname[#rrggbb[aa][:legend]]]\n"
119 "\t\t[AREA:vname[#rrggbb[aa][:legend]]]\n"
120 "\t\t[STACK:vname[#rrggbb[aa][:legend]]]\n\n";
122 char help_tune1[] =
123 " * tune - Modify some basic properties of an RRD\n\n"
124 "\trrdtool tune filename\n"
125 "\t\t[--heartbeat|-h ds-name:heartbeat]\n"
126 "\t\t[--data-source-type|-d ds-name:DST]\n"
127 "\t\t[--data-source-rename|-r old-name:new-name]\n"
128 "\t\t[--minimum|-i ds-name:min] [--maximum|-a ds-name:max]\n"
129 "\t\t[--deltapos scale-value] [--deltaneg scale-value]\n"
130 "\t\t[--failure-threshold integer]\n"
131 "\t\t[--window-length integer]\n"
132 "\t\t[--alpha adaptation-parameter]\n";
133 char help_tune2[] =
134 " * tune - Modify some basic properties of an RRD\n\n"
135 "\t\t[--beta adaptation-parameter]\n"
136 "\t\t[--gamma adaptation-parameter]\n"
137 "\t\t[--gamma-deviation adaptation-parameter]\n"
138 "\t\t[--aberrant-reset ds-name]\n\n";
140 char help_resize[] =
141 " * resize - alter the length of one of the RRAs in an RRD\n\n"
142 "\trrdtool resize filename rranum GROW|SHRINK rows\n\n";
144 char help_xport[] =
145 "* xport - generate XML dump from one or several RRD\n\n"
146 "\trrdtool xport [-s|--start seconds] [-e|--end seconds]\n"
147 "\t\t[-m|--maxrows rows]\n"
148 "\t\t[--step seconds]\n"
149 "\t\t[DEF:vname=rrd:ds-name:CF]\n"
150 "\t\t[CDEF:vname=rpn-expression]\n"
151 "\t\t[XPORT:vname:legend]\n\n";
153 char help_quit[] =
154 " * quit - closing a session in remote mode\n\n"
155 "\trrdtool quit\n\n";
157 char help_ls[] =
158 " * ls - lists all *.rrd files in current directory\n\n"
159 "\trrdtool ls\n\n";
161 char help_cd[] =
162 " * cd - changes the current directory\n\n"
163 "\trrdtool cd new directory\n\n";
165 char help_mkdir[] =
166 " * mkdir - creates a new directory\n\n"
167 "\trrdtool mkdir newdirectoryname\n\n";
169 char help_lic[] =
170 "RRDtool is distributed under the Terms of the GNU General\n"
171 "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
173 "For more information read the RRD manpages\n\n";
175 enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST,
176 C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
177 C_QUIT, C_LS, C_CD, C_MKDIR, C_UPDATEV };
179 int help_cmd = C_NONE;
181 if (cmd)
182 {
183 if (!strcmp(cmd,"create"))
184 help_cmd = C_CREATE;
185 else if (!strcmp(cmd,"dump"))
186 help_cmd = C_DUMP;
187 else if (!strcmp(cmd,"info"))
188 help_cmd = C_INFO;
189 else if (!strcmp(cmd,"restore"))
190 help_cmd = C_RESTORE;
191 else if (!strcmp(cmd,"last"))
192 help_cmd = C_LAST;
193 else if (!strcmp(cmd,"update"))
194 help_cmd = C_UPDATE;
195 else if (!strcmp(cmd,"updatev"))
196 help_cmd = C_UPDATEV;
197 else if (!strcmp(cmd,"fetch"))
198 help_cmd = C_FETCH;
199 else if (!strcmp(cmd,"graph"))
200 help_cmd = C_GRAPH;
201 else if (!strcmp(cmd,"tune"))
202 help_cmd = C_TUNE;
203 else if (!strcmp(cmd,"resize"))
204 help_cmd = C_RESIZE;
205 else if (!strcmp(cmd,"xport"))
206 help_cmd = C_XPORT;
207 else if (!strcmp(cmd,"quit"))
208 help_cmd = C_QUIT;
209 else if (!strcmp(cmd,"ls"))
210 help_cmd = C_LS;
211 else if (!strcmp(cmd,"cd"))
212 help_cmd = C_CD;
213 else if (!strcmp(cmd,"mkdir"))
214 help_cmd = C_MKDIR;
215 }
216 fputs(help_main, stdout);
217 switch (help_cmd)
218 {
219 case C_NONE:
220 fputs(help_list, stdout);
221 if (RemoteMode){
222 fputs(help_listremote, stdout);
223 }
224 break;
225 case C_CREATE:
226 fputs(help_create, stdout);
227 break;
228 case C_DUMP:
229 fputs(help_dump, stdout);
230 break;
231 case C_INFO:
232 fputs(help_info, stdout);
233 break;
234 case C_RESTORE:
235 fputs(help_restore, stdout);
236 break;
237 case C_LAST:
238 fputs(help_last, stdout);
239 break;
240 case C_UPDATE:
241 fputs(help_update, stdout);
242 break;
243 case C_UPDATEV:
244 fputs(help_updatev, stdout);
245 break;
246 case C_FETCH:
247 fputs(help_fetch, stdout);
248 break;
249 case C_GRAPH:
250 fputs(help_graph1, stdout);
251 fputs(help_graph2, stdout);
252 fputs(help_graph3, stdout);
253 break;
254 case C_TUNE:
255 fputs(help_tune1, stdout);
256 fputs(help_tune2, stdout);
257 break;
258 case C_RESIZE:
259 fputs(help_resize, stdout);
260 break;
261 case C_XPORT:
262 fputs(help_xport, stdout);
263 break;
264 case C_QUIT:
265 fputs(help_quit, stdout);
266 break;
267 case C_LS:
268 fputs(help_ls, stdout);
269 break;
270 case C_CD:
271 fputs(help_cd, stdout);
272 break;
273 case C_MKDIR:
274 fputs(help_mkdir, stdout);
275 break;
276 }
277 fputs(help_lic, stdout);
278 }
281 int main(int argc, char *argv[])
282 {
283 char **myargv;
284 char aLine[MAX_LENGTH];
285 #ifdef HAVE_CHROOT
286 char *firstdir="";
287 #endif
288 #ifdef MUST_DISABLE_SIGFPE
289 signal(SIGFPE,SIG_IGN);
290 #endif
291 #ifdef MUST_DISABLE_FPMASK
292 fpsetmask(0);
293 #endif
294 if (argc == 1)
295 {
296 PrintUsage("");
297 return 0;
298 }
300 if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
301 {
302 #if HAVE_GETRUSAGE
303 struct rusage myusage;
304 struct timeval starttime;
305 struct timeval currenttime;
306 struct timezone tz;
308 tz.tz_minuteswest =0;
309 tz.tz_dsttime=0;
310 gettimeofday(&starttime,&tz);
311 #endif
312 RemoteMode=1;
313 #ifdef HAVE_CHROOT
314 if ((argc == 3) && strcmp("",argv[2])){
315 if (getuid()==0){
316 chroot(argv[2]);
317 if (errno!=0){
318 fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
319 argv[2],errno);
320 exit(errno);
321 }
322 ChangeRoot=1;
323 firstdir="/";
324 }
325 else{
326 firstdir=argv[2];
327 }
328 }
329 if (strcmp(firstdir,"")){
330 chdir(firstdir);
331 if (errno!=0){
332 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
333 exit(errno);
334 }
335 }
336 #else
337 fprintf(stderr,"ERROR: change root is not supported by your OS "
338 "or at least by this copy of rrdtool\n");
339 exit(1);
340 #endif
342 while (fgets(aLine, sizeof(aLine)-1, stdin)){
343 if ((argc = CountArgs(aLine)) == 0) {
344 fprintf(stderr,"ERROR: not enough arguments\n");
345 }
346 if ((myargv = (char **) malloc((argc+1) *
347 sizeof(char *))) == NULL) {
348 perror("malloc");
349 return -1;
350 }
351 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
352 fprintf(stderr, "ERROR: creating arguments\n");
353 return -1;
354 }
356 if (HandleInputLine(argc, myargv, stdout))
357 return -1;
358 free(myargv);
360 #if HAVE_GETRUSAGE
361 getrusage(RUSAGE_SELF,&myusage);
362 gettimeofday(¤ttime,&tz);
363 printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
364 (double)myusage.ru_utime.tv_sec+
365 (double)myusage.ru_utime.tv_usec/1000000.0,
366 (double)myusage.ru_stime.tv_sec+
367 (double)myusage.ru_stime.tv_usec/1000000.0,
368 (double)(currenttime.tv_sec-starttime.tv_sec)
369 +(double)(currenttime.tv_usec-starttime.tv_usec)
370 /1000000.0);
371 #else
372 printf("OK\n");
373 #endif
374 fflush(stdout); /* this is important for pipes to work */
375 }
376 }
377 else if (argc == 2)
378 {
379 PrintUsage(argv[1]);
380 exit(0);
381 }
382 else if (argc == 3 && !strcmp(argv[1],"help"))
383 {
384 PrintUsage(argv[2]);
385 exit(0);
386 }
387 else
388 HandleInputLine(argc, argv, stderr);
389 return 0;
390 }
392 /* HandleInputLine is NOT thread safe - due to readdir issues,
393 resolving them portably is not really simple. */
394 int HandleInputLine(int argc, char **argv, FILE* out)
395 {
396 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
397 DIR *curdir; /* to read current dir with ls */
398 struct dirent *dent;
399 #endif
400 #if defined(HAVE_SYS_STAT_H)
401 struct stat st;
402 #endif
403 optind=0; /* reset gnu getopt */
404 opterr=0; /* no error messages */
406 if (RemoteMode){
407 if (argc>1 && strcmp("quit", argv[1]) == 0){
408 if (argc>2){
409 printf("ERROR: invalid parameter count for quit\n");
410 return(0);
411 }
412 exit(0);
413 }
414 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
415 if (argc>1 && strcmp("cd", argv[1]) == 0){
416 if (argc>3){
417 printf("ERROR: invalid parameter count for cd\n");
418 return(0);
419 }
420 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
421 if (getuid()==0 && ! ChangeRoot){
422 printf("ERROR: chdir security problem - rrdtool is running as "
423 "root an no chroot!\n");
424 return(0);
425 }
426 #endif
427 chdir(argv[2]);
428 if (errno!=0){
429 printf("ERROR: %s\n",rrd_strerror(errno));
430 }
431 return(0);
432 }
433 if (argc>1 && strcmp("mkdir", argv[1]) == 0){
434 if (argc>3){
435 printf("ERROR: invalid parameter count for mkdir\n");
436 return(0);
437 }
438 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
439 if (getuid()==0 && ! ChangeRoot){
440 printf("ERROR: mkdir security problem - rrdtool is running as "
441 "root an no chroot!\n");
442 return(0);
443 }
444 #endif
445 mkdir(argv[2],0777);
446 if (errno!=0){
447 printf("ERROR: %s\n",rrd_strerror(errno));
448 }
449 return(0);
450 }
451 if (argc>1 && strcmp("ls", argv[1]) == 0){
452 if (argc>2){
453 printf("ERROR: invalid parameter count for ls\n");
454 return(0);
455 }
456 if ((curdir=opendir("."))!=NULL){
457 while((dent=readdir(curdir))!=NULL){
458 if (!stat(dent->d_name,&st)){
459 if (S_ISDIR(st.st_mode)){
460 printf("d %s\n",dent->d_name);
461 }
462 if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
463 if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
464 !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
465 printf("- %s\n",dent->d_name);
466 }
467 }
468 }
469 }
470 }
471 else{
472 printf("ERROR: %s\n",rrd_strerror(errno));
473 return(errno);
474 }
475 return(0);
476 }
477 #endif /* opendir and readdir */
479 }
480 if (argc < 3
481 || strcmp("help", argv[1]) == 0
482 || strcmp("--help", argv[1]) == 0
483 || strcmp("-help", argv[1]) == 0
484 || strcmp("-?", argv[1]) == 0
485 || strcmp("-h", argv[1]) == 0 ) {
486 PrintUsage("");
487 return 0;
488 }
490 if (strcmp("create", argv[1]) == 0)
491 rrd_create(argc-1, &argv[1]);
492 else if (strcmp("dump", argv[1]) == 0)
493 rrd_dump(argc-1, &argv[1]);
494 else if (strcmp("info", argv[1]) == 0
495 || strcmp("updatev", argv[1]) == 0){
496 info_t *data,*save;
497 if (strcmp("info",argv[1]) == 0)
498 data=rrd_info(argc-1, &argv[1]);
499 else
500 data=rrd_update_v(argc-1, &argv[1]);
501 while (data) {
502 save=data;
503 printf ("%s = ", data->key);
504 free(data->key);
506 switch (data->type) {
507 case RD_I_VAL:
508 if (isnan (data->value.u_val))
509 printf("NaN");
510 else
511 printf ("%0.10e", data->value.u_val);
512 break;
513 case RD_I_CNT:
514 printf ("%lu", data->value.u_cnt);
515 break;
516 case RD_I_INT:
517 printf ("%d", data->value.u_int);
518 break;
519 case RD_I_STR:
520 printf ("\"%s\"", data->value.u_str);
521 free(data->value.u_str);
522 break;
523 }
524 data = data->next;
525 free(save);
526 printf ("\n");
527 }
528 free(data);
529 }
531 else if (strcmp("--version", argv[1]) == 0 ||
532 strcmp("version", argv[1]) == 0 ||
533 strcmp("v", argv[1]) == 0 ||
534 strcmp("-v", argv[1]) == 0 ||
535 strcmp("-version", argv[1]) == 0 )
536 printf("RRDtool 1.1.x Copyright (C) 1997-2004 by Tobias Oetiker <tobi@oetiker.ch>\n");
537 else if (strcmp("restore", argv[1]) == 0)
538 rrd_restore(argc-1, &argv[1]);
539 else if (strcmp("resize", argv[1]) == 0)
540 rrd_resize(argc-1, &argv[1]);
541 else if (strcmp("last", argv[1]) == 0)
542 printf("%ld\n",rrd_last(argc-1, argv[1]));
543 else if (strcmp("update", argv[1]) == 0)
544 rrd_update(argc-1, &argv[1]);
545 else if (strcmp("fetch", argv[1]) == 0) {
546 time_t start,end, ti;
547 unsigned long step, ds_cnt,i,ii;
548 rrd_value_t *data,*datai;
549 char **ds_namv;
550 if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
551 datai=data;
552 printf(" ");
553 for (i = 0; i<ds_cnt;i++)
554 printf("%20s",ds_namv[i]);
555 printf ("\n\n");
556 for (ti = start+step; ti <= end; ti += step){
557 printf("%10lu:", ti);
558 for (ii = 0; ii < ds_cnt; ii++)
559 printf(" %0.10e", *(datai++));
560 printf("\n");
561 }
562 for (i=0;i<ds_cnt;i++)
563 free(ds_namv[i]);
564 free(ds_namv);
565 free (data);
566 }
567 } else if (strcmp("xport", argv[1]) == 0) {
568 int xxsize;
569 unsigned long int j = 0;
570 time_t start,end, ti;
571 unsigned long step, col_cnt,row_cnt;
572 rrd_value_t *data,*ptr;
573 char **legend_v;
574 if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
575 row_cnt = (end-start)/step;
576 ptr = data;
577 printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
578 printf("<%s>\n", ROOT_TAG);
579 printf(" <%s>\n", META_TAG);
580 printf(" <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
581 printf(" <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
582 printf(" <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
583 printf(" <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
584 printf(" <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
585 printf(" <%s>\n", LEGEND_TAG);
586 for (j = 0; j < col_cnt; j++) {
587 char *entry = NULL;
588 entry = legend_v[j];
589 printf(" <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
590 free(entry);
591 }
592 free(legend_v);
593 printf(" </%s>\n", LEGEND_TAG);
594 printf(" </%s>\n", META_TAG);
595 printf(" <%s>\n", DATA_TAG);
596 for (ti = start+step; ti <= end; ti += step) {
597 printf (" <%s>", DATA_ROW_TAG);
598 printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
599 for (j = 0; j < col_cnt; j++) {
600 rrd_value_t newval = DNAN;
601 newval = *ptr;
602 if(isnan(newval)){
603 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
604 } else {
605 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
606 };
607 ptr++;
608 }
609 printf("</%s>\n", DATA_ROW_TAG);
610 }
611 free(data);
612 printf(" </%s>\n", DATA_TAG);
613 printf("</%s>\n", ROOT_TAG);
614 }
615 }
616 else if (strcmp("graph", argv[1]) == 0) {
617 char **calcpr;
618 #ifdef notused /*XXX*/
619 const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
620 #endif
621 int xsize, ysize;
622 int i;
623 int tostdout = (strcmp(argv[2],"-") == 0);
624 if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL) != -1 ) {
625 if (!tostdout)
626 printf ("%dx%d\n",xsize,ysize);
627 if (calcpr) {
628 for(i=0;calcpr[i];i++){
629 if (!tostdout)
630 printf("%s\n",calcpr[i]);
631 free(calcpr[i]);
632 }
633 free(calcpr);
634 }
635 }
637 } else if (strcmp("tune", argv[1]) == 0)
638 rrd_tune(argc-1, &argv[1]);
639 else {
640 rrd_set_error("unknown function '%s'",argv[1]);
641 }
642 if (rrd_test_error()) {
643 fprintf(out, "ERROR: %s\n",rrd_get_error());
644 rrd_clear_error();
645 }
646 return(0);
647 }
649 int CountArgs(char *aLine)
650 {
651 int i=0;
652 int aCount = 0;
653 int inarg = 0;
654 while (aLine[i] == ' ') i++;
655 while (aLine[i] != 0){
656 if((aLine[i]== ' ') && inarg){
657 inarg = 0;
658 }
659 if((aLine[i]!= ' ') && ! inarg){
660 inarg = 1;
661 aCount++;
662 }
663 i++;
664 }
665 return aCount;
666 }
668 /*
669 * CreateArgs - take a string (aLine) and tokenize
670 */
671 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
672 {
673 char *getP, *putP;
674 char **pargv = argv;
675 char Quote = 0;
676 int inArg = 0;
677 int len;
679 len = strlen(aLine);
680 /* remove trailing space and newlines */
681 while (len && aLine[len] <= ' ') {
682 aLine[len] = 0 ; len--;
683 }
684 /* sikp leading blanks */
685 while (*aLine && *aLine <= ' ') aLine++;
687 pargv[0] = pName;
688 argc = 1;
689 getP = aLine;
690 putP = aLine;
691 while (*getP){
692 switch (*getP) {
693 case ' ':
694 if (Quote){
695 *(putP++)=*getP;
696 } else
697 if(inArg) {
698 *(putP++) = 0;
699 inArg = 0;
700 }
701 break;
702 case '"':
703 case '\'':
704 if (Quote != 0) {
705 if (Quote == *getP)
706 Quote = 0;
707 else {
708 *(putP++)=*getP;
709 }
710 } else {
711 if(!inArg){
712 pargv[argc++] = putP;
713 inArg=1;
714 }
715 Quote = *getP;
716 }
717 break;
718 default:
719 if(!inArg){
720 pargv[argc++] = putP;
721 inArg=1;
722 }
723 *(putP++)=*getP;
724 break;
725 }
726 getP++;
727 }
729 *putP = '\0';
731 if (Quote)
732 return -1;
733 else
734 return argc;
735 }