src/rrd_tool.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.12  Copyright by Tobi Oetiker, 1997-2005
   3  *****************************************************************************
   4  * rrd_tool.c  Startup wrapper
   5  *****************************************************************************/
   6
   7 #include "rrd_tool.h"
   8 #include "rrd_xport.h"
   9
  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
  19
  20
  21 void PrintUsage(char *cmd)
  22 {
  23
  24     char help_main[] =
  25            "RRDtool " PACKAGE_VERSION "  Copyright 1997-2006 by Tobias Oetiker <tobi@oetiker.ch>\n"
  26            "               Compiled " __DATE__ " " __TIME__ "\n\n"
  27            "Usage: rrdtool [options] command command_options\n\n";
  28
  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";
  32
  33     char help_listremote[] =
  34            "Valid remote commands: quit, ls, cd, mkdir\n\n";
  35
  36
  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";
  43
  44     char help_dump[] =
  45            "* dump - dump an RRD to XML\n\n"
  46            "\trrdtool dump filename.rrd >filename.xml\n\n";
  47
  48     char help_info[] =
  49            "* info - returns the configuration and status of the RRD\n\n"
  50            "\trrdtool info filename.rrd\n\n";
  51
  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";
  55
  56     char help_last[] =
  57            "* last - show last update time for RRD\n\n"
  58            "\trrdtool last filename.rrd\n\n";
  59
  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";
  63
  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";
  71
  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";
  80
  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";
  86
  87 /* break up very large strings (help_graph, help_tune) for ISO C89 compliance*/
  88
  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[-W|--watermark string]\n"
 118            "\t\t[DEF:vname=rrd:ds-name:CF]\n";
 119     char help_graph3[] =
 120            "\t\t[CDEF:vname=rpn-expression]\n"
 121            "\t\t[VDEF:vdefname=rpn-expression]\n"
 122            "\t\t[PRINT:vdefname:format]\n"
 123            "\t\t[GPRINT:vdefname:format]\n"
 124            "\t\t[COMMENT:text]\n"
 125            "\t\t[SHIFT:vname:offset]\n"
 126            "\t\t[TICK:vname#rrggbb[aa][:[fraction][:legend]]]\n"
 127            "\t\t[HRULE:value#rrggbb[aa][:legend]]\n"
 128            "\t\t[VRULE:value#rrggbb[aa][:legend]]\n"
 129            "\t\t[LINE[width]:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
 130            "\t\t[AREA:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
 131            "\t\t[PRINT:vname:CF:format] (deprecated)\n"
 132            "\t\t[GPRINT:vname:CF:format] (deprecated)\n"
 133            "\t\t[STACK:vname[#rrggbb[aa][:legend]]] (deprecated)\n\n";
 134
 135     char help_tune1[] =
 136            " * tune -  Modify some basic properties of an RRD\n\n"
 137            "\trrdtool tune filename\n"
 138            "\t\t[--heartbeat|-h ds-name:heartbeat]\n"
 139            "\t\t[--data-source-type|-d ds-name:DST]\n"
 140            "\t\t[--data-source-rename|-r old-name:new-name]\n"
 141            "\t\t[--minimum|-i ds-name:min] [--maximum|-a ds-name:max]\n"
 142            "\t\t[--deltapos scale-value] [--deltaneg scale-value]\n"
 143            "\t\t[--failure-threshold integer]\n"
 144            "\t\t[--window-length integer]\n"
 145            "\t\t[--alpha adaptation-parameter]\n";
 146     char help_tune2[] =
 147            " * tune -  Modify some basic properties of an RRD\n\n"
 148            "\t\t[--beta adaptation-parameter]\n"
 149            "\t\t[--gamma adaptation-parameter]\n"
 150            "\t\t[--gamma-deviation adaptation-parameter]\n"
 151            "\t\t[--aberrant-reset ds-name]\n\n";
 152
 153     char help_resize[] =
 154            " * resize - alter the length of one of the RRAs in an RRD\n\n"
 155            "\trrdtool resize filename rranum GROW|SHRINK rows\n\n";
 156
 157     char help_xport[] =
 158            "* xport - generate XML dump from one or several RRD\n\n"
 159            "\trrdtool xport [-s|--start seconds] [-e|--end seconds]\n"
 160            "\t\t[-m|--maxrows rows]\n"
 161            "\t\t[--step seconds]\n"
 162            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
 163            "\t\t[CDEF:vname=rpn-expression]\n"
 164            "\t\t[XPORT:vname:legend]\n\n";
 165
 166     char help_quit[] =
 167            " * quit - closing a session in remote mode\n\n"
 168            "\trrdtool quit\n\n";
 169
 170     char help_ls[] =
 171            " * ls - lists all *.rrd files in current directory\n\n"
 172            "\trrdtool ls\n\n";
 173
 174     char help_cd[] =
 175            " * cd - changes the current directory\n\n"
 176            "\trrdtool cd new directory\n\n";
 177
 178     char help_mkdir[] =
 179            " * mkdir - creates a new directory\n\n"
 180            "\trrdtool mkdir newdirectoryname\n\n";
 181
 182     char help_lic[] =
 183            "RRDtool is distributed under the Terms of the GNU General\n"
 184            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 185
 186            "For more information read the RRD manpages\n\n";
 187
 188     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST, C_FIRST,
 189            C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
 190            C_QUIT, C_LS, C_CD, C_MKDIR, C_UPDATEV };
 191
 192     int help_cmd = C_NONE;
 193
 194     if (cmd)
 195         {
 196             if (!strcmp(cmd,"create"))
 197                 help_cmd = C_CREATE;
 198             else if (!strcmp(cmd,"dump"))
 199                 help_cmd = C_DUMP;
 200             else if (!strcmp(cmd,"info"))
 201                 help_cmd = C_INFO;
 202             else if (!strcmp(cmd,"restore"))
 203                 help_cmd = C_RESTORE;
 204             else if (!strcmp(cmd,"last"))
 205                 help_cmd = C_LAST;
 206             else if (!strcmp(cmd,"first"))
 207                 help_cmd = C_FIRST;
 208             else if (!strcmp(cmd,"update"))
 209                 help_cmd = C_UPDATE;
 210             else if (!strcmp(cmd,"updatev"))
 211                 help_cmd = C_UPDATEV;
 212             else if (!strcmp(cmd,"fetch"))
 213                 help_cmd = C_FETCH;
 214             else if (!strcmp(cmd,"graph"))
 215                 help_cmd = C_GRAPH;
 216             else if (!strcmp(cmd,"tune"))
 217                 help_cmd = C_TUNE;
 218             else if (!strcmp(cmd,"resize"))
 219                 help_cmd = C_RESIZE;
 220             else if (!strcmp(cmd,"xport"))
 221                 help_cmd = C_XPORT;
 222             else if (!strcmp(cmd,"quit"))
 223                 help_cmd = C_QUIT;
 224             else if (!strcmp(cmd,"ls"))
 225                 help_cmd = C_LS;
 226             else if (!strcmp(cmd,"cd"))
 227                 help_cmd = C_CD;
 228             else if (!strcmp(cmd,"mkdir"))
 229                 help_cmd = C_MKDIR;
 230         }
 231     fputs(help_main, stdout);
 232     switch (help_cmd)
 233         {
 234             case C_NONE:
 235                 fputs(help_list, stdout);
 236                 if (RemoteMode){
 237                    fputs(help_listremote, stdout);
 238                 }
 239                 break;
 240             case C_CREATE:
 241                 fputs(help_create, stdout);
 242                 break;
 243             case C_DUMP:
 244                 fputs(help_dump, stdout);
 245                 break;
 246             case C_INFO:
 247                 fputs(help_info, stdout);
 248                 break;
 249             case C_RESTORE:
 250                 fputs(help_restore, stdout);
 251                 break;
 252             case C_LAST:
 253                 fputs(help_last, stdout);
 254                 break;
 255             case C_FIRST:
 256                 fputs(help_first, stdout);
 257                 break;
 258             case C_UPDATE:
 259                 fputs(help_update, stdout);
 260                 break;
 261             case C_UPDATEV:
 262                 fputs(help_updatev, stdout);
 263                 break;
 264             case C_FETCH:
 265                 fputs(help_fetch, stdout);
 266                 break;
 267             case C_GRAPH:
 268                 fputs(help_graph1, stdout);
 269                 fputs(help_graph2, stdout);
 270                 fputs(help_graph3, stdout);
 271                 break;
 272             case C_TUNE:
 273                 fputs(help_tune1, stdout);
 274                 fputs(help_tune2, stdout);
 275                 break;
 276             case C_RESIZE:
 277                 fputs(help_resize, stdout);
 278                 break;
 279             case C_XPORT:
 280                 fputs(help_xport, stdout);
 281                 break;
 282             case C_QUIT:
 283                 fputs(help_quit, stdout);
 284                 break;
 285             case C_LS:
 286                 fputs(help_ls, stdout);
 287                 break;
 288             case C_CD:
 289                 fputs(help_cd, stdout);
 290                 break;
 291             case C_MKDIR:
 292                 fputs(help_mkdir, stdout);
 293                 break;
 294         }
 295     fputs(help_lic, stdout);
 296 }
 297
 298 static char *fgetslong(char **aLinePtr, FILE *stream)
 299 {
 300    char *linebuf;
 301    size_t bufsize = MAX_LENGTH;
 302    int eolpos = 0;
 303
 304    if (feof(stream)) return *aLinePtr = 0;
 305    if (!(linebuf = malloc(bufsize))) {
 306       perror("fgetslong: malloc");
 307       exit(1);
 308    }
 309    linebuf[0] = '\0';
 310    while (fgets(linebuf + eolpos, MAX_LENGTH, stream)) {
 311       eolpos += strlen(linebuf + eolpos);
 312       if (linebuf[eolpos - 1] == '\n') return *aLinePtr = linebuf;
 313       bufsize += MAX_LENGTH;
 314       if (!(linebuf = realloc(linebuf, bufsize))) {
 315          perror("fgetslong: realloc");
 316          exit(1);
 317       }
 318    }
 319    return *aLinePtr = linebuf[0] ? linebuf : 0;
 320 }
 321
 322 int main(int argc, char *argv[])
 323 {
 324     char **myargv;
 325     char *aLine;
 326     char *firstdir="";
 327 #ifdef MUST_DISABLE_SIGFPE
 328     signal(SIGFPE,SIG_IGN);
 329 #endif
 330 #ifdef MUST_DISABLE_FPMASK
 331     fpsetmask(0);
 332 #endif
 333     if (argc == 1)
 334         {
 335             PrintUsage("");
 336             return 0;
 337         }
 338
 339     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 340         {
 341 #if HAVE_GETRUSAGE
 342           struct rusage  myusage;
 343           struct timeval starttime;
 344           struct timeval currenttime;
 345           struct timezone tz;
 346
 347             tz.tz_minuteswest =0;
 348             tz.tz_dsttime=0;
 349             gettimeofday(&starttime,&tz);
 350 #endif
 351           RemoteMode=1;
 352           if ((argc == 3) && strcmp("",argv[2])){
 353
 354              if (
 355 #ifdef HAVE_GETUID
 356                  getuid()
 357 #else
 358                  1
 359 #endif
 360                  == 0 ){
 361
 362 #ifdef HAVE_CHROOT
 363                 chroot(argv[2]);
 364                 if (errno!=0){
 365                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 366                            argv[2],errno);
 367                     exit(errno);
 368                 }
 369                 ChangeRoot=1;
 370                 firstdir="/";
 371 #else
 372                 fprintf(stderr,"ERROR: change root is not supported by your OS "
 373                          "or at least by this copy of rrdtool\n");
 374                 exit(1);
 375 #endif
 376              } else {
 377                 firstdir=argv[2];
 378              }
 379           }
 380           if (strcmp(firstdir,"")){
 381              chdir(firstdir);
 382              if (errno!=0){
 383                 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
 384                 exit(errno);
 385              }
 386           }
 387
 388             while (fgetslong(&aLine, stdin)){
 389                 if ((argc = CountArgs(aLine)) == 0)  {
 390                     printf("ERROR: not enough arguments\n");
 391                 }
 392                 if ((myargv = (char **) malloc((argc+1) *
 393                                                sizeof(char *))) == NULL)   {
 394                     perror("malloc");
 395                     exit(1);
 396                 }
 397                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 398                     printf("ERROR: creating arguments\n");
 399                 } else {
 400                     int ret = HandleInputLine(argc, myargv, stdout);
 401                     free(myargv);
 402                     if (ret == 0){
 403
 404
 405 #if HAVE_GETRUSAGE
 406                      getrusage(RUSAGE_SELF,&myusage);
 407                      gettimeofday(&currenttime,&tz);
 408                      printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 409                        (double)myusage.ru_utime.tv_sec+
 410                        (double)myusage.ru_utime.tv_usec/1000000.0,
 411                        (double)myusage.ru_stime.tv_sec+
 412                        (double)myusage.ru_stime.tv_usec/1000000.0,
 413                        (double)(currenttime.tv_sec-starttime.tv_sec)
 414                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 415                        /1000000.0);
 416 #else
 417                       printf("OK\n");
 418
 419 #endif
 420                   }
 421                 }
 422                 fflush(stdout); /* this is important for pipes to work */
 423                 free(aLine);
 424             }
 425         }
 426     else if (argc == 2)
 427         {
 428                 PrintUsage(argv[1]);
 429                 exit(0);
 430         }
 431     else if (argc == 3 && !strcmp(argv[1],"help"))
 432         {
 433                 PrintUsage(argv[2]);
 434                 exit(0);
 435         }
 436     else {
 437         exit(HandleInputLine(argc, argv, stderr));
 438     }
 439     return 0;
 440 }
 441
 442 /* HandleInputLine is NOT thread safe - due to readdir issues,
 443    resolving them portably is not really simple. */
 444 int HandleInputLine(int argc, char **argv, FILE* out)
 445 {
 446 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 447     DIR           *curdir; /* to read current dir with ls */
 448     struct dirent *dent;
 449 #endif
 450 #if defined(HAVE_SYS_STAT_H)
 451     struct stat   st;
 452 #endif
 453
 454     if (RemoteMode){
 455        if (argc>1 && strcmp("quit", argv[1]) == 0){
 456           if (argc>2){
 457              printf("ERROR: invalid parameter count for quit\n");
 458              return(1);
 459           }
 460           exit(0);
 461        }
 462 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 463        if (argc>1 && strcmp("cd", argv[1]) == 0){
 464           if (argc>3){
 465              printf("ERROR: invalid parameter count for cd\n");
 466              return(1);
 467           }
 468 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 469           if (getuid()==0 && ! ChangeRoot){
 470              printf("ERROR: chdir security problem - rrdtool is running as "
 471                     "root but not chroot!\n");
 472              return(1);
 473           }
 474 #endif
 475           chdir(argv[2]);
 476           if (errno!=0){
 477              printf("ERROR: %s\n",rrd_strerror(errno));
 478              return(1);
 479           }
 480           return(0);
 481        }
 482        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 483           if (argc>3){
 484              printf("ERROR: invalid parameter count for mkdir\n");
 485              return(1);
 486           }
 487 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 488           if (getuid()==0 && ! ChangeRoot){
 489              printf("ERROR: mkdir security problem - rrdtool is running as "
 490                     "root but not chroot!\n");
 491              return(1);
 492           }
 493 #endif
 494           mkdir(argv[2],0777);
 495           if (errno!=0){
 496              printf("ERROR: %s\n",rrd_strerror(errno));
 497              return(1);
 498           }
 499           return(0);
 500        }
 501        if (argc>1 && strcmp("ls", argv[1]) == 0){
 502           if (argc>2){
 503              printf("ERROR: invalid parameter count for ls\n");
 504              return(1);
 505           }
 506           if ((curdir=opendir("."))!=NULL){
 507              while((dent=readdir(curdir))!=NULL){
 508                 if (!stat(dent->d_name,&st)){
 509                    if (S_ISDIR(st.st_mode)){
 510                       printf("d %s\n",dent->d_name);
 511                    }
 512                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 513                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 514                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 515                          printf("- %s\n",dent->d_name);
 516                       }
 517                    }
 518                 }
 519              }
 520           }
 521           else{
 522              printf("ERROR: %s\n",rrd_strerror(errno));
 523              return(errno);
 524           }
 525           return(0);
 526        }
 527 #endif /* opendir and readdir */
 528
 529     }
 530     if (argc < 3
 531         || strcmp("help", argv[1]) == 0
 532         || strcmp("--help", argv[1]) == 0
 533         || strcmp("-help", argv[1]) == 0
 534         || strcmp("-?", argv[1]) == 0
 535         || strcmp("-h", argv[1]) == 0 ) {
 536         PrintUsage("");
 537         return 0;
 538     }
 539
 540     if (strcmp("create", argv[1]) == 0)
 541         rrd_create(argc-1, &argv[1]);
 542     else if (strcmp("dump", argv[1]) == 0)
 543         rrd_dump(argc-1, &argv[1]);
 544     else if (strcmp("info", argv[1]) == 0
 545                 || strcmp("updatev", argv[1]) == 0){
 546         info_t *data,*save;
 547         if (strcmp("info",argv[1]) == 0)
 548            data=rrd_info(argc-1, &argv[1]);
 549     else
 550            data=rrd_update_v(argc-1, &argv[1]);
 551         while (data) {
 552             save=data;
 553             printf ("%s = ", data->key);
 554             free(data->key);
 555
 556             switch (data->type) {
 557             case RD_I_VAL:
 558                 if (isnan (data->value.u_val))
 559                     printf("NaN");
 560                 else
 561                     printf ("%0.10e", data->value.u_val);
 562                 break;
 563             case RD_I_CNT:
 564                 printf ("%lu", data->value.u_cnt);
 565                 break;
 566             case RD_I_INT:
 567                 printf ("%d", data->value.u_int);
 568                 break;
 569             case RD_I_STR:
 570                 printf ("\"%s\"", data->value.u_str);
 571                 free(data->value.u_str);
 572                 break;
 573             }
 574             data = data->next;
 575             free(save);
 576             printf ("\n");
 577         }
 578         free(data);
 579     }
 580
 581     else if (strcmp("--version", argv[1]) == 0 ||
 582              strcmp("version", argv[1]) == 0 ||
 583              strcmp("v", argv[1]) == 0 ||
 584              strcmp("-v", argv[1]) == 0  ||
 585              strcmp("-version", argv[1]) == 0  )
 586         printf("RRDtool " PACKAGE_VERSION "  Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
 587                rrd_version());
 588     else if (strcmp("restore", argv[1]) == 0)
 589         rrd_restore(argc-1, &argv[1]);
 590     else if (strcmp("resize", argv[1]) == 0)
 591         rrd_resize(argc-1, &argv[1]);
 592     else if (strcmp("last", argv[1]) == 0)
 593         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 594     else if (strcmp("first", argv[1]) == 0)
 595         printf("%ld\n",rrd_first(argc-1, &argv[1]));
 596     else if (strcmp("update", argv[1]) == 0)
 597         rrd_update(argc-1, &argv[1]);
 598     else if (strcmp("fetch", argv[1]) == 0) {
 599         time_t        start,end, ti;
 600         unsigned long step, ds_cnt,i,ii;
 601         rrd_value_t   *data,*datai;
 602         char          **ds_namv;
 603         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 604             datai=data;
 605             printf("           ");
 606             for (i = 0; i<ds_cnt;i++)
 607                 printf("%20s",ds_namv[i]);
 608             printf ("\n\n");
 609             for (ti = start+step; ti <= end; ti += step){
 610                 printf("%10lu:", ti);
 611                 for (ii = 0; ii < ds_cnt; ii++)
 612                     printf(" %0.10e", *(datai++));
 613                 printf("\n");
 614             }
 615             for (i=0;i<ds_cnt;i++)
 616                   free(ds_namv[i]);
 617             free(ds_namv);
 618             free (data);
 619         }
 620     } else if (strcmp("xport", argv[1]) == 0) {
 621        int xxsize;
 622         unsigned long int j = 0;
 623         time_t        start,end, ti;
 624         unsigned long step, col_cnt,row_cnt;
 625         rrd_value_t   *data,*ptr;
 626         char          **legend_v;
 627        if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 628           row_cnt = (end-start)/step;
 629           ptr = data;
 630           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 631           printf("<%s>\n", ROOT_TAG);
 632           printf("  <%s>\n", META_TAG);
 633           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 634           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 635           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 636           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 637           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 638           printf("    <%s>\n", LEGEND_TAG);
 639           for (j = 0; j < col_cnt; j++) {
 640             char *entry = NULL;
 641             entry = legend_v[j];
 642             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 643             free(entry);
 644           }
 645           free(legend_v);
 646           printf("    </%s>\n", LEGEND_TAG);
 647           printf("  </%s>\n", META_TAG);
 648           printf("  <%s>\n", DATA_TAG);
 649           for (ti = start+step; ti <= end; ti += step) {
 650             printf ("    <%s>", DATA_ROW_TAG);
 651             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 652             for (j = 0; j < col_cnt; j++) {
 653               rrd_value_t newval = DNAN;
 654               newval = *ptr;
 655               if(isnan(newval)){
 656                 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
 657               } else {
 658                 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
 659               };
 660               ptr++;
 661             }
 662             printf("</%s>\n", DATA_ROW_TAG);
 663           }
 664           free(data);
 665           printf("  </%s>\n", DATA_TAG);
 666           printf("</%s>\n", ROOT_TAG);
 667         }
 668     }
 669     else if (strcmp("graph", argv[1]) == 0) {
 670         char **calcpr;
 671 #ifdef notused  /*XXX*/
 672         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 673 #endif
 674         int xsize, ysize;
 675         double ymin,ymax;
 676         int i;
 677         int tostdout = (strcmp(argv[2],"-") == 0);
 678         int imginfo = 0;
 679         for (i=2;i<argc;i++){
 680                 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
 681                         imginfo = 1;
 682                         break;
 683                 }
 684         }
 685         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
 686             if (!tostdout && !imginfo)
 687                 printf ("%dx%d\n",xsize,ysize);
 688             if (calcpr) {
 689                 for(i=0;calcpr[i];i++){
 690                     if (!tostdout)
 691                         printf("%s\n",calcpr[i]);
 692                     free(calcpr[i]);
 693                 }
 694                 free(calcpr);
 695             }
 696         }
 697
 698     } else if (strcmp("tune", argv[1]) == 0)
 699                 rrd_tune(argc-1, &argv[1]);
 700     else {
 701                 rrd_set_error("unknown function '%s'",argv[1]);
 702     }
 703     if (rrd_test_error()) {
 704         fprintf(out, "ERROR: %s\n",rrd_get_error());
 705         rrd_clear_error();
 706         return 1;
 707     }
 708     return(0);
 709 }
 710
 711 int CountArgs(char *aLine)
 712 {
 713     int i=0;
 714     int aCount = 0;
 715     int inarg = 0;
 716     while (aLine[i] == ' ') i++;
 717     while (aLine[i] != 0){
 718         if((aLine[i]== ' ') && inarg){
 719             inarg = 0;
 720         }
 721         if((aLine[i]!= ' ') && ! inarg){
 722             inarg = 1;
 723             aCount++;
 724         }
 725         i++;
 726     }
 727     return aCount;
 728 }
 729
 730 /*
 731  * CreateArgs - take a string (aLine) and tokenize
 732  */
 733 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 734 {
 735     char        *getP, *putP;
 736     char        **pargv = argv;
 737     char        Quote = 0;
 738     int inArg = 0;
 739     int len;
 740
 741     len = strlen(aLine);
 742     /* remove trailing space and newlines */
 743     while (len && aLine[len] <= ' ') {
 744         aLine[len] = 0 ; len--;
 745     }
 746     /* sikp leading blanks */
 747     while (*aLine && *aLine <= ' ') aLine++;
 748
 749     pargv[0] = pName;
 750     argc = 1;
 751     getP = aLine;
 752     putP = aLine;
 753     while (*getP){
 754         switch (*getP) {
 755         case ' ':
 756             if (Quote){
 757                 *(putP++)=*getP;
 758             } else
 759                 if(inArg) {
 760                     *(putP++) = 0;
 761                     inArg = 0;
 762                 }
 763             break;
 764         case '"':
 765         case '\'':
 766             if (Quote != 0) {
 767                 if (Quote == *getP)
 768                     Quote = 0;
 769                 else {
 770                     *(putP++)=*getP;
 771                 }
 772             } else {
 773                 if(!inArg){
 774                     pargv[argc++] = putP;
 775                     inArg=1;
 776                 }
 777                 Quote = *getP;
 778             }
 779             break;
 780         default:
 781             if(!inArg){
 782                 pargv[argc++] = putP;
 783                 inArg=1;
 784             }
 785             *(putP++)=*getP;
 786             break;
 787         }
 788         getP++;
 789     }
 790
 791     *putP = '\0';
 792
 793     if (Quote)
 794         return -1;
 795     else
 796         return argc;
 797 }
 798
 799