Code

prepare for 1.2.27 release
[rrdtool.git] / src / rrd_tool.c
1 /*****************************************************************************
2  * RRDtool 1.2.27  Copyright by Tobi Oetiker, 1997-2008
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 1997-2008 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, lastupdate, first, info, fetch, tune,\n"
32            "\t\tresize, xport\n\n";
34     char help_listremote[] =
35            "Valid remote commands: quit, ls, cd, mkdir, pwd\n\n";
38     char help_create[] =
39            "* create - create a new RRD\n\n"
40            "\trrdtool create filename [--start|-b start time]\n"
41            "\t\t[--step|-s step]\n"
42            "\t\t[DS:ds-name:DST:dst arguments]\n" 
43            "\t\t[RRA:CF:cf arguments]\n\n";
45     char help_dump[] =
46            "* dump - dump an RRD to XML\n\n"
47            "\trrdtool dump filename.rrd >filename.xml\n\n";
49     char help_info[] =
50            "* info - returns the configuration and status of the RRD\n\n"
51            "\trrdtool info filename.rrd\n\n";
53     char help_restore[] =
54            "* restore - restore an RRD file from its XML form\n\n"
55            "\trrdtool restore [--range-check|-r] [--force-overwrite|-f] filename.xml filename.rrd\n\n";
57     char help_last[] =
58            "* last - show last update time for RRD\n\n"
59            "\trrdtool last filename.rrd\n\n";
61     char help_lastupdate[] =
62           "* lastupdate - returns the most recent datum stored for\n"
63           "  each DS in an RRD\n\n"
64           "\trrdtool lastupdate filename.rrd\n\n"; 
66     char help_first[] =
67            "* first - show first update time for RRA within an RRD\n\n"
68            "\trrdtool first filename.rrd [--rraindex number]\n\n";
70     char help_update[] =
71            "* update - update an RRD\n\n"
72            "\trrdtool update filename\n"
73            "\t\t--template|-t ds-name:ds-name:...\n"
74            "\t\ttime|N:value[:value...]\n\n"
75            "\t\tat-time@value[:value...]\n\n"
76            "\t\t[ time:value[:value...] ..]\n\n";
77     
78         char help_updatev[] =
79            "* updatev - a verbose version of update\n"
80            "\treturns information about values, RRAs, and datasources updated\n\n"
81            "\trrdtool updatev filename\n"
82            "\t\t--template|-t ds-name:ds-name:...\n"
83            "\t\ttime|N:value[:value...]\n\n"
84            "\t\tat-time@value[:value...]\n\n"
85            "\t\t[ time:value[:value...] ..]\n\n";
86  
87     char help_fetch[] =
88            "* fetch - fetch data out of an RRD\n\n"
89            "\trrdtool fetch filename.rrd CF\n"
90            "\t\t[-r|--resolution resolution]\n"
91            "\t\t[-s|--start start] [-e|--end end]\n\n";
93 /* break up very large strings (help_graph, help_tune) for ISO C89 compliance*/
95     char help_graph1[] =
96            "* graph - generate a graph from one or several RRD\n\n"
97            "\trrdtool graph filename [-s|--start seconds] [-e|--end seconds]\n"
98            "\t\t[-x|--x-grid x-axis grid and label]\n"
99            "\t\t[-Y|--alt-y-grid]\n"
100            "\t\t[-y|--y-grid y-axis grid and label]\n"
101            "\t\t[-v|--vertical-label string] [-w|--width pixels]\n"
102            "\t\t[-h|--height pixels] [-o|--logarithmic]\n"
103            "\t\t[-u|--upper-limit value] [-z|--lazy]\n"
104            "\t\t[-l|--lower-limit value] [-r|--rigid]\n"
105            "\t\t[-g|--no-legend]\n"
106            "\t\t[-F|--force-rules-legend]\n"
107            "\t\t[-j|--only-graph]\n";
108     char help_graph2[] =
109            "\t\t[-n|--font FONTTAG:size:font]\n"
110            "\t\t[-m|--zoom factor]\n"       
111            "\t\t[-A|--alt-autoscale]\n"
112            "\t\t[-M|--alt-autoscale-max]\n"
113            "\t\t[-R|--font-render-mode {normal,light,mono}]\n"
114            "\t\t[-B|--font-smoothing-threshold size]\n"
115            "\t\t[-E|--slope-mode]\n"
116            "\t\t[-N|--no-gridfit]\n"
117            "\t\t[-X|--units-exponent value]\n"
118            "\t\t[-L|--units-length value]\n"
119            "\t\t[-S|--step seconds]\n"     
120            "\t\t[-f|--imginfo printfstr]\n"
121            "\t\t[-a|--imgformat PNG]\n"
122            "\t\t[-c|--color COLORTAG#rrggbb[aa]] [-t|--title string]\n"
123            "\t\t[-W|--watermark string]\n"
124            "\t\t[DEF:vname=rrd:ds-name:CF]\n";
125     char help_graph3[] =
126            "\t\t[CDEF:vname=rpn-expression]\n"
127            "\t\t[VDEF:vdefname=rpn-expression]\n"
128            "\t\t[PRINT:vdefname:format]\n"
129            "\t\t[GPRINT:vdefname:format]\n"
130            "\t\t[COMMENT:text]\n"
131            "\t\t[SHIFT:vname:offset]\n"
132            "\t\t[TICK:vname#rrggbb[aa][:[fraction][:legend]]]\n"
133            "\t\t[HRULE:value#rrggbb[aa][:legend]]\n"
134            "\t\t[VRULE:value#rrggbb[aa][:legend]]\n"
135            "\t\t[LINE[width]:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
136            "\t\t[AREA:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
137            "\t\t[PRINT:vname:CF:format] (deprecated)\n"
138            "\t\t[GPRINT:vname:CF:format] (deprecated)\n"
139            "\t\t[STACK:vname[#rrggbb[aa][:legend]]] (deprecated)\n\n";
141     char help_tune1[] =
142            " * tune -  Modify some basic properties of an RRD\n\n"
143            "\trrdtool tune filename\n"
144            "\t\t[--heartbeat|-h ds-name:heartbeat]\n"
145            "\t\t[--data-source-type|-d ds-name:DST]\n"
146            "\t\t[--data-source-rename|-r old-name:new-name]\n"
147            "\t\t[--minimum|-i ds-name:min] [--maximum|-a ds-name:max]\n"
148            "\t\t[--deltapos scale-value] [--deltaneg scale-value]\n"
149            "\t\t[--failure-threshold integer]\n"
150            "\t\t[--window-length integer]\n"
151            "\t\t[--alpha adaptation-parameter]\n";
152     char help_tune2[] =
153            " * tune -  Modify some basic properties of an RRD\n\n"
154            "\t\t[--beta adaptation-parameter]\n"
155            "\t\t[--gamma adaptation-parameter]\n"
156            "\t\t[--gamma-deviation adaptation-parameter]\n"
157            "\t\t[--aberrant-reset ds-name]\n\n";
159     char help_resize[] =
160            " * resize - alter the length of one of the RRAs in an RRD\n\n"
161            "\trrdtool resize filename rranum GROW|SHRINK rows\n\n";
163     char help_xport[] =
164            "* xport - generate XML dump from one or several RRD\n\n"
165            "\trrdtool xport [-s|--start seconds] [-e|--end seconds]\n"
166            "\t\t[-m|--maxrows rows]\n"
167            "\t\t[--step seconds]\n"        
168            "\t\t[--enumds]\n"      
169            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
170            "\t\t[CDEF:vname=rpn-expression]\n"
171            "\t\t[XPORT:vname:legend]\n\n";
173     char help_quit[] =
174            " * quit - closing a session in remote mode\n\n"
175            "\trrdtool quit\n\n";
177     char help_ls[] =
178            " * ls - lists all *.rrd files in current directory\n\n"
179            "\trrdtool ls\n\n";
181     char help_cd[] =
182            " * cd - changes the current directory\n\n"
183            "\trrdtool cd new directory\n\n";
185     char help_mkdir[] =
186            " * mkdir - creates a new directory\n\n"
187            "\trrdtool mkdir newdirectoryname\n\n";
189     char help_pwd[] =
190            " * pwd - returns the current working directory\n\n"
191            "\trrdtool pwd\n\n";
193     char help_lic[] =
194            "RRDtool is distributed under the Terms of the GNU General\n"
195            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
197            "For more information read the RRD manpages\n\n";
199     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST,
200            C_LASTUPDATE, C_FIRST, C_UPDATE, C_FETCH, C_GRAPH, C_TUNE,
201            C_RESIZE, C_XPORT, C_QUIT, C_LS, C_CD, C_MKDIR, C_PWD,
202            C_UPDATEV };
204     int help_cmd = C_NONE;
206     if (cmd)
207         {
208             if (!strcmp(cmd,"create"))
209                 help_cmd = C_CREATE;
210             else if (!strcmp(cmd,"dump"))
211                 help_cmd = C_DUMP;
212             else if (!strcmp(cmd,"info"))
213                 help_cmd = C_INFO;
214             else if (!strcmp(cmd,"restore"))
215                 help_cmd = C_RESTORE;
216             else if (!strcmp(cmd,"last"))
217                 help_cmd = C_LAST;
218             else if (!strcmp(cmd,"lastupdate"))
219                 help_cmd = C_LASTUPDATE;
220             else if (!strcmp(cmd,"first"))
221                 help_cmd = C_FIRST;
222             else if (!strcmp(cmd,"update"))
223                 help_cmd = C_UPDATE;
224             else if (!strcmp(cmd,"updatev"))
225                 help_cmd = C_UPDATEV;
226             else if (!strcmp(cmd,"fetch"))
227                 help_cmd = C_FETCH;
228             else if (!strcmp(cmd,"graph"))
229                 help_cmd = C_GRAPH;
230             else if (!strcmp(cmd,"tune"))
231                 help_cmd = C_TUNE;
232             else if (!strcmp(cmd,"resize"))
233                 help_cmd = C_RESIZE;
234             else if (!strcmp(cmd,"xport"))
235                 help_cmd = C_XPORT;
236             else if (!strcmp(cmd,"quit"))
237                 help_cmd = C_QUIT;
238             else if (!strcmp(cmd,"ls"))
239                 help_cmd = C_LS;
240             else if (!strcmp(cmd,"cd"))
241                 help_cmd = C_CD;
242             else if (!strcmp(cmd,"mkdir"))
243                 help_cmd = C_MKDIR;
244             else if (!strcmp(cmd,"pwd"))
245                 help_cmd = C_PWD;
246         }
247     fputs(help_main, stdout);
248     switch (help_cmd)
249         {
250             case C_NONE:
251                 fputs(help_list, stdout);
252                 if (RemoteMode){
253                    fputs(help_listremote, stdout);
254                 }
255                 break;
256             case C_CREATE:
257                 fputs(help_create, stdout);
258                 break;
259             case C_DUMP:
260                 fputs(help_dump, stdout);
261                 break;
262             case C_INFO:
263                 fputs(help_info, stdout);
264                 break;
265             case C_RESTORE:
266                 fputs(help_restore, stdout);
267                 break;
268             case C_LAST:
269                 fputs(help_last, stdout);
270                 break;
271             case C_LASTUPDATE:
272                 fputs(help_lastupdate, stdout);
273                 break;
274             case C_FIRST:
275                 fputs(help_first, stdout);
276                 break;
277             case C_UPDATE:
278                 fputs(help_update, stdout);
279                 break;
280             case C_UPDATEV:
281                 fputs(help_updatev, stdout);
282                 break;
283             case C_FETCH:
284                 fputs(help_fetch, stdout);
285                 break;
286             case C_GRAPH:
287                 fputs(help_graph1, stdout);
288                 fputs(help_graph2, stdout);
289                 fputs(help_graph3, stdout);
290                 break;
291             case C_TUNE:
292                 fputs(help_tune1, stdout);
293                 fputs(help_tune2, stdout);
294                 break;
295             case C_RESIZE:
296                 fputs(help_resize, stdout);
297                 break;
298             case C_XPORT:
299                 fputs(help_xport, stdout);
300                 break;
301             case C_QUIT:
302                 fputs(help_quit, stdout);
303                 break;
304             case C_LS:
305                 fputs(help_ls, stdout);
306                 break;
307             case C_CD:
308                 fputs(help_cd, stdout);
309                 break;
310             case C_MKDIR:
311                 fputs(help_mkdir, stdout);
312                 break;
313             case C_PWD:
314                 fputs(help_pwd, stdout);
315                 break;
316         }
317     fputs(help_lic, stdout);
320 static char *fgetslong(char **aLinePtr, FILE *stream)
322    char *linebuf;
323    size_t bufsize = MAX_LENGTH;
324    int eolpos = 0;
326    if (feof(stream)) return *aLinePtr = 0;
327    if (!(linebuf = malloc(bufsize))) {
328       perror("fgetslong: malloc");
329       exit(1);
330    }
331    linebuf[0] = '\0';
332    while (fgets(linebuf + eolpos, MAX_LENGTH, stream)) {
333       eolpos += strlen(linebuf + eolpos);
334       if (linebuf[eolpos - 1] == '\n') return *aLinePtr = linebuf;
335       bufsize += MAX_LENGTH;
336       if (!(linebuf = realloc(linebuf, bufsize))) {
337          perror("fgetslong: realloc");
338          exit(1);
339       }
340    }
341    return *aLinePtr = linebuf[0] ? linebuf : 0;
344 int main(int argc, char *argv[])
346     char **myargv;
347     char *aLine;
348     char *firstdir="";
349 #ifdef MUST_DISABLE_SIGFPE
350     signal(SIGFPE,SIG_IGN);
351 #endif
352 #ifdef MUST_DISABLE_FPMASK
353     fpsetmask(0);
354 #endif
355     if (argc == 1)
356         {
357             PrintUsage("");
358             return 0;
359         }
360     
361     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
362         {
363 #if HAVE_GETRUSAGE
364           struct rusage  myusage;
365           struct timeval starttime;
366           struct timeval currenttime;
368           gettimeofday(&starttime, NULL);
369 #endif
370           RemoteMode=1;
371           if ((argc == 3) && strcmp("",argv[2])){
373              if (
374 #ifdef HAVE_GETUID
375                  getuid()
376 #else
377                  1
378 #endif
379                  == 0 ){
381 #ifdef HAVE_CHROOT
382                 chroot(argv[2]);
383                 if (errno!=0){
384                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
385                            argv[2],errno);
386                     exit(errno);
387                 }
388                 ChangeRoot=1;
389                 firstdir="/";
390 #else
391                 fprintf(stderr,"ERROR: change root is not supported by your OS "
392                          "or at least by this copy of rrdtool\n");
393                 exit(1);
394 #endif
395              } else {
396                 firstdir=argv[2];
397              }
398           }
399           if (strcmp(firstdir,"")){
400              chdir(firstdir);
401              if (errno!=0){
402                 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
403                 exit(errno);
404              }
405           }
407             while (fgetslong(&aLine, stdin)){
408                 if ((argc = CountArgs(aLine)) == 0)  {
409                     printf("ERROR: not enough arguments\n");
410                 }
411                 if ((myargv = (char **) malloc((argc+1) * 
412                                                sizeof(char *))) == NULL)   {
413                     perror("malloc");
414                     exit(1);
415                 }
416                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
417                     printf("ERROR: creating arguments\n");
418                 } else {
419                     int ret = HandleInputLine(argc, myargv, stdout);
420                     free(myargv);
421                     if (ret == 0){
422                         
424 #if HAVE_GETRUSAGE
425                      getrusage(RUSAGE_SELF,&myusage);
426                      gettimeofday(&currenttime,NULL);
427                      printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
428                        (double)myusage.ru_utime.tv_sec+
429                        (double)myusage.ru_utime.tv_usec/1000000.0,
430                        (double)myusage.ru_stime.tv_sec+
431                        (double)myusage.ru_stime.tv_usec/1000000.0,
432                        (double)(currenttime.tv_sec-starttime.tv_sec)
433                        +(double)(currenttime.tv_usec-starttime.tv_usec)
434                        /1000000.0);
435 #else
436                       printf("OK\n");
437                     
438 #endif          
439                   }
440                 }
441                 fflush(stdout); /* this is important for pipes to work */
442                 free(aLine);
443             }
444         }
445     else if (argc == 2)
446         {
447                 PrintUsage(argv[1]);
448                 exit(0);
449         }
450     else if (argc == 3 && !strcmp(argv[1],"help"))
451         {
452                 PrintUsage(argv[2]);
453                 exit(0);
454         }
455     else {
456         exit(HandleInputLine(argc, argv, stderr));
457     }
458     return 0;
461 /* HandleInputLine is NOT thread safe - due to readdir issues,
462    resolving them portably is not really simple. */
463 int HandleInputLine(int argc, char **argv, FILE* out)
465 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
466     DIR           *curdir; /* to read current dir with ls */
467     struct dirent *dent;
468 #endif
469 #if defined(HAVE_SYS_STAT_H)
470     struct stat   st;
471 #endif
472     char* cwd; /* To hold current working dir on call to pwd */
474     /* Reset errno to 0 before we start.
475     */
476     errno = 0;
478     if (RemoteMode){
479        if (argc>1 && strcmp("quit", argv[1]) == 0){
480           if (argc>2){
481              printf("ERROR: invalid parameter count for quit\n");
482              return(1);
483           }
484           exit(0);
485        }
486 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
487        if (argc>1 && strcmp("cd", argv[1]) == 0){
488           if (argc>3){
489              printf("ERROR: invalid parameter count for cd\n");
490              return(1);
491           }
492 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
493           if (getuid()==0 && ! ChangeRoot){
494              printf("ERROR: chdir security problem - rrdtool is running as "
495                     "root but not chroot!\n");
496              return(1); 
497           }
498 #endif
499           chdir(argv[2]);
500           if (errno!=0){
501              printf("ERROR: %s\n",rrd_strerror(errno));
502              return(1);
503           }
504           return(0);
505        }
506        if (argc>1 && strcmp("pwd", argv[1]) == 0){
507           if (argc>2){
508              printf("ERROR: invalid parameter count for pwd\n");
509              return(1);
510           }
511           cwd = getcwd(NULL, MAXPATH);
512           if(cwd == NULL) {
513              printf("ERROR: %s\n",rrd_strerror(errno));
514              return(1);
515           }
516           printf("%s\n", cwd);
517           free(cwd);
518           return(0);
519        }
520        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
521           if (argc>3){
522              printf("ERROR: invalid parameter count for mkdir\n");
523              return(1);
524           }
525 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
526           if (getuid()==0 && ! ChangeRoot){
527              printf("ERROR: mkdir security problem - rrdtool is running as "
528                     "root but not chroot!\n");
529              return(1); 
530           }
531 #endif
532           mkdir(argv[2],0777);
533           if (errno!=0){
534              printf("ERROR: %s\n",rrd_strerror(errno));
535              return(1);
536           }
537           return(0);
538        }
539        if (argc>1 && strcmp("ls", argv[1]) == 0){
540           if (argc>2){
541              printf("ERROR: invalid parameter count for ls\n");
542              return(1);
543           }
544           if ((curdir=opendir("."))!=NULL){
545              while((dent=readdir(curdir))!=NULL){
546                 if (!stat(dent->d_name,&st)){
547                    if (S_ISDIR(st.st_mode)){
548                       printf("d %s\n",dent->d_name);
549                    }
550                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
551                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
552                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
553                          printf("- %s\n",dent->d_name);
554                       }
555                    }
556                 }
557              }
558              closedir(curdir);
559           }
560           else{
561              printf("ERROR: %s\n",rrd_strerror(errno));
562              return(errno);
563           }
564           return(0);
565        }
566 #endif /* opendir and readdir */
568     }
569     if (argc < 3 
570         || strcmp("help", argv[1]) == 0
571         || strcmp("--help", argv[1]) == 0
572         || strcmp("-help", argv[1]) == 0
573         || strcmp("-?", argv[1]) == 0
574         || strcmp("-h", argv[1]) == 0 ) {
575         PrintUsage("");
576         return 0;
577     }
578     
579     if (strcmp("create", argv[1]) == 0) 
580         rrd_create(argc-1, &argv[1]);
581     else if (strcmp("dump", argv[1]) == 0)
582         rrd_dump(argc-1, &argv[1]);
583     else if (strcmp("info", argv[1]) == 0 
584                 || strcmp("updatev", argv[1]) == 0){
585         info_t *data,*save;
586         if (strcmp("info",argv[1]) == 0)
587            data=rrd_info(argc-1, &argv[1]);
588     else
589            data=rrd_update_v(argc-1, &argv[1]);
590         while (data) {
591             save=data;
592             printf ("%s = ", data->key);
593             free(data->key);
594             
595             switch (data->type) {
596             case RD_I_VAL:
597                 if (isnan (data->value.u_val))
598                     printf("NaN");
599                 else
600                     printf ("%0.10e", data->value.u_val);
601                 break;
602             case RD_I_CNT:
603                 printf ("%lu", data->value.u_cnt);
604                 break;
605             case RD_I_INT:
606                 printf ("%d", data->value.u_int);
607                 break;
608             case RD_I_STR:
609                 printf ("\"%s\"", data->value.u_str);
610                 free(data->value.u_str);
611                 break;
612             }
613             data = data->next;
614             free(save);
615             printf ("\n");
616         }
617         free(data);
618     }
620     else if (strcmp("--version", argv[1]) == 0 ||
621              strcmp("version", argv[1]) == 0 || 
622              strcmp("v", argv[1]) == 0 ||
623              strcmp("-v", argv[1]) == 0  ||
624              strcmp("-version", argv[1]) == 0  )
625         printf("RRDtool " PACKAGE_VERSION "  Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
626                rrd_version());
627     else if (strcmp("restore", argv[1]) == 0)
628         rrd_restore(argc-1, &argv[1]);
629     else if (strcmp("resize", argv[1]) == 0)
630         rrd_resize(argc-1, &argv[1]);
631     else if (strcmp("last", argv[1]) == 0)
632         printf("%ld\n",rrd_last(argc-1, &argv[1]));
633     else if (strcmp("lastupdate", argv[1]) == 0) {
634            time_t      last_update;
635            char        **ds_namv;
636            char        **last_ds;
637            unsigned long ds_cnt,
638                        i;
639           if (rrd_lastupdate(argc-1, &argv[1], &last_update,
640                        &ds_cnt, &ds_namv, &last_ds) == 0) {
641                for (i=0; i<ds_cnt; i++)
642                        printf(" %s", ds_namv[i]);
643                printf("\n\n");
644                printf("%10lu:", last_update);
645                for (i=0; i<ds_cnt; i++) {
646                        printf(" %s", last_ds[i]);
647                        free(last_ds[i]);
648                        free(ds_namv[i]);
649                }
650                printf("\n");
651                free(last_ds);
652                free(ds_namv);
653           }
654     } else if (strcmp("first", argv[1]) == 0)
655         printf("%ld\n",rrd_first(argc-1, &argv[1]));
656     else if (strcmp("update", argv[1]) == 0)
657         rrd_update(argc-1, &argv[1]);
658     else if (strcmp("fetch", argv[1]) == 0) {
659         time_t        start,end, ti;
660         unsigned long step, ds_cnt,i,ii;
661         rrd_value_t   *data,*datai;
662         char          **ds_namv;
663         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
664             datai=data;
665             printf("           ");
666             for (i = 0; i<ds_cnt;i++)
667                 printf("%20s",ds_namv[i]);
668             printf ("\n\n");
669             for (ti = start+step; ti <= end; ti += step){
670                 printf("%10lu:", ti);
671                 for (ii = 0; ii < ds_cnt; ii++)
672                     printf(" %0.10e", *(datai++));
673                 printf("\n");
674             }
675             for (i=0;i<ds_cnt;i++)
676                   free(ds_namv[i]);
677             free(ds_namv);
678             free (data);
679         }
680     } else if (strcmp("xport", argv[1]) == 0) {
681         int xxsize;
682         unsigned long int j = 0;
683         time_t        start,end, ti;
684         unsigned long step, col_cnt,row_cnt;
685         rrd_value_t   *data,*ptr;
686         char          **legend_v;
687         int           enumds = 0;
688         int           i;
689         size_t       vtag_s = strlen(COL_DATA_TAG) + 10; 
690         char         *vtag = malloc(vtag_s); 
691         for ( i = 2; i < argc; i++){
692                 if (strcmp("--enumds", argv[i]) == 0)
693                         enumds = 1;
694         }
696         if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
697           row_cnt = (end-start)/step;
698           ptr = data;
699           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
700           printf("<%s>\n", ROOT_TAG);
701           printf("  <%s>\n", META_TAG);
702           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
703           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
704           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
705           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
706           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
707           printf("    <%s>\n", LEGEND_TAG);
708           for (j = 0; j < col_cnt; j++) {
709             char *entry = NULL;
710             entry = legend_v[j];
711             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
712             free(entry);
713           }
714           free(legend_v);
715           printf("    </%s>\n", LEGEND_TAG);
716           printf("  </%s>\n", META_TAG);
717           printf("  <%s>\n", DATA_TAG);
718           for (ti = start+step; ti <= end; ti += step) {
719             printf ("    <%s>", DATA_ROW_TAG);
720             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
721             for (j = 0; j < col_cnt; j++) {
722               rrd_value_t newval = DNAN;
723               if (enumds == 1)
724                 snprintf(vtag,vtag_s,"%s%lu", COL_DATA_TAG, j);
725               else
726                 snprintf(vtag,vtag_s,"%s",COL_DATA_TAG);
727               
728               newval = *ptr;
729               if(isnan(newval)){
730                 printf("<%s>NaN</%s>", vtag,vtag);
731               } else {
732                 printf("<%s>%0.10e</%s>", vtag, newval, vtag);
733               };
734               ptr++;
735             }
736             printf("</%s>\n", DATA_ROW_TAG);
737           }
738           free(data);
739           printf("  </%s>\n", DATA_TAG);
740           printf("</%s>\n", ROOT_TAG);
741         }
742         free(vtag);
743     }
744     else if (strcmp("graph", argv[1]) == 0) {
745         char **calcpr;
746 #ifdef notused  /*XXX*/
747         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
748 #endif
749         int xsize, ysize;
750         double ymin,ymax;
751         int i;
752         int tostdout = (strcmp(argv[2],"-") == 0);      
753         int imginfo = 0;
754         for (i=2;i<argc;i++){
755                 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
756                         imginfo = 1;
757                         break;
758                 }
759         }
760         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
761             if (!tostdout && !imginfo) 
762                 printf ("%dx%d\n",xsize,ysize);
763             if (calcpr) {
764                 for(i=0;calcpr[i];i++){
765                     if (!tostdout) 
766                         printf("%s\n",calcpr[i]);
767                     free(calcpr[i]);
768                 } 
769                 free(calcpr);
770             }
771         }
772         
773     } else if (strcmp("tune", argv[1]) == 0) 
774                 rrd_tune(argc-1, &argv[1]);
775     else {
776                 rrd_set_error("unknown function '%s'",argv[1]);
777     }
778     if (rrd_test_error()) {
779         fprintf(out, "ERROR: %s\n",rrd_get_error());
780         rrd_clear_error();
781         return 1;
782     }
783     return(0);
786 int CountArgs(char *aLine)
788     int i=0;
789     int aCount = 0;
790     int inarg = 0;
791     while (aLine[i] == ' ') i++;
792     while (aLine[i] != 0){       
793         if((aLine[i]== ' ') && inarg){
794             inarg = 0;
795         }
796         if((aLine[i]!= ' ') && ! inarg){
797             inarg = 1;
798             aCount++;
799         }
800         i++;
801     }
802     return aCount;
805 /*
806  * CreateArgs - take a string (aLine) and tokenize
807  */
808 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
810     char        *getP, *putP;
811     char        **pargv = argv;
812     char        Quote = 0;
813     int inArg = 0;
814     int len;
816     len = strlen(aLine);
817     /* remove trailing space and newlines */
818     while (len && aLine[len] <= ' ') {
819         aLine[len] = 0 ; len--;
820     }
821     /* sikp leading blanks */
822     while (*aLine && *aLine <= ' ') aLine++;
824     pargv[0] = pName;
825     argc = 1;
826     getP = aLine;
827     putP = aLine;
828     while (*getP){
829         switch (*getP) {
830         case ' ': 
831             if (Quote){
832                 *(putP++)=*getP;
833             } else 
834                 if(inArg) {
835                     *(putP++) = 0;
836                     inArg = 0;
837                 }
838             break;
839         case '"':
840         case '\'':
841             if (Quote != 0) {
842                 if (Quote == *getP) 
843                     Quote = 0;
844                 else {
845                     *(putP++)=*getP;
846                 }
847             } else {
848                 if(!inArg){
849                     pargv[argc++] = putP;
850                     inArg=1;
851                 }           
852                 Quote = *getP;
853             }
854             break;
855         default:
856             if(!inArg){
857                 pargv[argc++] = putP;
858                 inArg=1;
859             }
860             *(putP++)=*getP;
861             break;
862         }
863         getP++;
864     }
866     *putP = '\0';
868     if (Quote) 
869         return -1;
870     else
871         return argc;