src/rrd_tool.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.15  Copyright by Tobi Oetiker, 1997-2006
   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, pwd\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[--enumds]\n"
 163            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
 164            "\t\t[CDEF:vname=rpn-expression]\n"
 165            "\t\t[XPORT:vname:legend]\n\n";
 166
 167     char help_quit[] =
 168            " * quit - closing a session in remote mode\n\n"
 169            "\trrdtool quit\n\n";
 170
 171     char help_ls[] =
 172            " * ls - lists all *.rrd files in current directory\n\n"
 173            "\trrdtool ls\n\n";
 174
 175     char help_cd[] =
 176            " * cd - changes the current directory\n\n"
 177            "\trrdtool cd new directory\n\n";
 178
 179     char help_mkdir[] =
 180            " * mkdir - creates a new directory\n\n"
 181            "\trrdtool mkdir newdirectoryname\n\n";
 182
 183     char help_pwd[] =
 184            " * pwd - returns the current working directory\n\n"
 185            "\trrdtool pwd\n\n";
 186
 187     char help_lic[] =
 188            "RRDtool is distributed under the Terms of the GNU General\n"
 189            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 190
 191            "For more information read the RRD manpages\n\n";
 192
 193     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST, C_FIRST,
 194            C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
 195            C_QUIT, C_LS, C_CD, C_MKDIR, C_PWD, C_UPDATEV };
 196
 197     int help_cmd = C_NONE;
 198
 199     if (cmd)
 200         {
 201             if (!strcmp(cmd,"create"))
 202                 help_cmd = C_CREATE;
 203             else if (!strcmp(cmd,"dump"))
 204                 help_cmd = C_DUMP;
 205             else if (!strcmp(cmd,"info"))
 206                 help_cmd = C_INFO;
 207             else if (!strcmp(cmd,"restore"))
 208                 help_cmd = C_RESTORE;
 209             else if (!strcmp(cmd,"last"))
 210                 help_cmd = C_LAST;
 211             else if (!strcmp(cmd,"first"))
 212                 help_cmd = C_FIRST;
 213             else if (!strcmp(cmd,"update"))
 214                 help_cmd = C_UPDATE;
 215             else if (!strcmp(cmd,"updatev"))
 216                 help_cmd = C_UPDATEV;
 217             else if (!strcmp(cmd,"fetch"))
 218                 help_cmd = C_FETCH;
 219             else if (!strcmp(cmd,"graph"))
 220                 help_cmd = C_GRAPH;
 221             else if (!strcmp(cmd,"tune"))
 222                 help_cmd = C_TUNE;
 223             else if (!strcmp(cmd,"resize"))
 224                 help_cmd = C_RESIZE;
 225             else if (!strcmp(cmd,"xport"))
 226                 help_cmd = C_XPORT;
 227             else if (!strcmp(cmd,"quit"))
 228                 help_cmd = C_QUIT;
 229             else if (!strcmp(cmd,"ls"))
 230                 help_cmd = C_LS;
 231             else if (!strcmp(cmd,"cd"))
 232                 help_cmd = C_CD;
 233             else if (!strcmp(cmd,"mkdir"))
 234                 help_cmd = C_MKDIR;
 235             else if (!strcmp(cmd,"pwd"))
 236                 help_cmd = C_PWD;
 237         }
 238     fputs(help_main, stdout);
 239     switch (help_cmd)
 240         {
 241             case C_NONE:
 242                 fputs(help_list, stdout);
 243                 if (RemoteMode){
 244                    fputs(help_listremote, stdout);
 245                 }
 246                 break;
 247             case C_CREATE:
 248                 fputs(help_create, stdout);
 249                 break;
 250             case C_DUMP:
 251                 fputs(help_dump, stdout);
 252                 break;
 253             case C_INFO:
 254                 fputs(help_info, stdout);
 255                 break;
 256             case C_RESTORE:
 257                 fputs(help_restore, stdout);
 258                 break;
 259             case C_LAST:
 260                 fputs(help_last, stdout);
 261                 break;
 262             case C_FIRST:
 263                 fputs(help_first, stdout);
 264                 break;
 265             case C_UPDATE:
 266                 fputs(help_update, stdout);
 267                 break;
 268             case C_UPDATEV:
 269                 fputs(help_updatev, stdout);
 270                 break;
 271             case C_FETCH:
 272                 fputs(help_fetch, stdout);
 273                 break;
 274             case C_GRAPH:
 275                 fputs(help_graph1, stdout);
 276                 fputs(help_graph2, stdout);
 277                 fputs(help_graph3, stdout);
 278                 break;
 279             case C_TUNE:
 280                 fputs(help_tune1, stdout);
 281                 fputs(help_tune2, stdout);
 282                 break;
 283             case C_RESIZE:
 284                 fputs(help_resize, stdout);
 285                 break;
 286             case C_XPORT:
 287                 fputs(help_xport, stdout);
 288                 break;
 289             case C_QUIT:
 290                 fputs(help_quit, stdout);
 291                 break;
 292             case C_LS:
 293                 fputs(help_ls, stdout);
 294                 break;
 295             case C_CD:
 296                 fputs(help_cd, stdout);
 297                 break;
 298             case C_MKDIR:
 299                 fputs(help_mkdir, stdout);
 300                 break;
 301             case C_PWD:
 302                 fputs(help_pwd, stdout);
 303                 break;
 304         }
 305     fputs(help_lic, stdout);
 306 }
 307
 308 static char *fgetslong(char **aLinePtr, FILE *stream)
 309 {
 310    char *linebuf;
 311    size_t bufsize = MAX_LENGTH;
 312    int eolpos = 0;
 313
 314    if (feof(stream)) return *aLinePtr = 0;
 315    if (!(linebuf = malloc(bufsize))) {
 316       perror("fgetslong: malloc");
 317       exit(1);
 318    }
 319    linebuf[0] = '\0';
 320    while (fgets(linebuf + eolpos, MAX_LENGTH, stream)) {
 321       eolpos += strlen(linebuf + eolpos);
 322       if (linebuf[eolpos - 1] == '\n') return *aLinePtr = linebuf;
 323       bufsize += MAX_LENGTH;
 324       if (!(linebuf = realloc(linebuf, bufsize))) {
 325          perror("fgetslong: realloc");
 326          exit(1);
 327       }
 328    }
 329    return *aLinePtr = linebuf[0] ? linebuf : 0;
 330 }
 331
 332 int main(int argc, char *argv[])
 333 {
 334     char **myargv;
 335     char *aLine;
 336     char *firstdir="";
 337 #ifdef MUST_DISABLE_SIGFPE
 338     signal(SIGFPE,SIG_IGN);
 339 #endif
 340 #ifdef MUST_DISABLE_FPMASK
 341     fpsetmask(0);
 342 #endif
 343     if (argc == 1)
 344         {
 345             PrintUsage("");
 346             return 0;
 347         }
 348
 349     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 350         {
 351 #if HAVE_GETRUSAGE
 352           struct rusage  myusage;
 353           struct timeval starttime;
 354           struct timeval currenttime;
 355           struct timezone tz;
 356
 357             tz.tz_minuteswest =0;
 358             tz.tz_dsttime=0;
 359             gettimeofday(&starttime,&tz);
 360 #endif
 361           RemoteMode=1;
 362           if ((argc == 3) && strcmp("",argv[2])){
 363
 364              if (
 365 #ifdef HAVE_GETUID
 366                  getuid()
 367 #else
 368                  1
 369 #endif
 370                  == 0 ){
 371
 372 #ifdef HAVE_CHROOT
 373                 chroot(argv[2]);
 374                 if (errno!=0){
 375                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 376                            argv[2],errno);
 377                     exit(errno);
 378                 }
 379                 ChangeRoot=1;
 380                 firstdir="/";
 381 #else
 382                 fprintf(stderr,"ERROR: change root is not supported by your OS "
 383                          "or at least by this copy of rrdtool\n");
 384                 exit(1);
 385 #endif
 386              } else {
 387                 firstdir=argv[2];
 388              }
 389           }
 390           if (strcmp(firstdir,"")){
 391              chdir(firstdir);
 392              if (errno!=0){
 393                 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
 394                 exit(errno);
 395              }
 396           }
 397
 398             while (fgetslong(&aLine, stdin)){
 399                 if ((argc = CountArgs(aLine)) == 0)  {
 400                     printf("ERROR: not enough arguments\n");
 401                 }
 402                 if ((myargv = (char **) malloc((argc+1) *
 403                                                sizeof(char *))) == NULL)   {
 404                     perror("malloc");
 405                     exit(1);
 406                 }
 407                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 408                     printf("ERROR: creating arguments\n");
 409                 } else {
 410                     int ret = HandleInputLine(argc, myargv, stdout);
 411                     free(myargv);
 412                     if (ret == 0){
 413
 414
 415 #if HAVE_GETRUSAGE
 416                      getrusage(RUSAGE_SELF,&myusage);
 417                      gettimeofday(&currenttime,&tz);
 418                      printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 419                        (double)myusage.ru_utime.tv_sec+
 420                        (double)myusage.ru_utime.tv_usec/1000000.0,
 421                        (double)myusage.ru_stime.tv_sec+
 422                        (double)myusage.ru_stime.tv_usec/1000000.0,
 423                        (double)(currenttime.tv_sec-starttime.tv_sec)
 424                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 425                        /1000000.0);
 426 #else
 427                       printf("OK\n");
 428
 429 #endif
 430                   }
 431                 }
 432                 fflush(stdout); /* this is important for pipes to work */
 433                 free(aLine);
 434             }
 435         }
 436     else if (argc == 2)
 437         {
 438                 PrintUsage(argv[1]);
 439                 exit(0);
 440         }
 441     else if (argc == 3 && !strcmp(argv[1],"help"))
 442         {
 443                 PrintUsage(argv[2]);
 444                 exit(0);
 445         }
 446     else {
 447         exit(HandleInputLine(argc, argv, stderr));
 448     }
 449     return 0;
 450 }
 451
 452 /* HandleInputLine is NOT thread safe - due to readdir issues,
 453    resolving them portably is not really simple. */
 454 int HandleInputLine(int argc, char **argv, FILE* out)
 455 {
 456 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 457     DIR           *curdir; /* to read current dir with ls */
 458     struct dirent *dent;
 459 #endif
 460 #if defined(HAVE_SYS_STAT_H)
 461     struct stat   st;
 462 #endif
 463     char* cwd; /* To hold current working dir on call to pwd */
 464
 465     /* Reset errno to 0 before we start.
 466     */
 467     errno = 0;
 468
 469     if (RemoteMode){
 470        if (argc>1 && strcmp("quit", argv[1]) == 0){
 471           if (argc>2){
 472              printf("ERROR: invalid parameter count for quit\n");
 473              return(1);
 474           }
 475           exit(0);
 476        }
 477 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 478        if (argc>1 && strcmp("cd", argv[1]) == 0){
 479           if (argc>3){
 480              printf("ERROR: invalid parameter count for cd\n");
 481              return(1);
 482           }
 483 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 484           if (getuid()==0 && ! ChangeRoot){
 485              printf("ERROR: chdir security problem - rrdtool is running as "
 486                     "root but not chroot!\n");
 487              return(1);
 488           }
 489 #endif
 490           chdir(argv[2]);
 491           if (errno!=0){
 492              printf("ERROR: %s\n",rrd_strerror(errno));
 493              return(1);
 494           }
 495           return(0);
 496        }
 497        if (argc>1 && strcmp("pwd", argv[1]) == 0){
 498           if (argc>2){
 499              printf("ERROR: invalid parameter count for pwd\n");
 500              return(1);
 501           }
 502           cwd = getcwd(NULL, MAXPATH);
 503           if(cwd == NULL) {
 504              printf("ERROR: %s\n",rrd_strerror(errno));
 505              return(1);
 506           }
 507           printf("%s\n", cwd);
 508           free(cwd);
 509           return(0);
 510        }
 511        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 512           if (argc>3){
 513              printf("ERROR: invalid parameter count for mkdir\n");
 514              return(1);
 515           }
 516 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 517           if (getuid()==0 && ! ChangeRoot){
 518              printf("ERROR: mkdir security problem - rrdtool is running as "
 519                     "root but not chroot!\n");
 520              return(1);
 521           }
 522 #endif
 523           mkdir(argv[2],0777);
 524           if (errno!=0){
 525              printf("ERROR: %s\n",rrd_strerror(errno));
 526              return(1);
 527           }
 528           return(0);
 529        }
 530        if (argc>1 && strcmp("ls", argv[1]) == 0){
 531           if (argc>2){
 532              printf("ERROR: invalid parameter count for ls\n");
 533              return(1);
 534           }
 535           if ((curdir=opendir("."))!=NULL){
 536              while((dent=readdir(curdir))!=NULL){
 537                 if (!stat(dent->d_name,&st)){
 538                    if (S_ISDIR(st.st_mode)){
 539                       printf("d %s\n",dent->d_name);
 540                    }
 541                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 542                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 543                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 544                          printf("- %s\n",dent->d_name);
 545                       }
 546                    }
 547                 }
 548              }
 549              closedir(curdir);
 550           }
 551           else{
 552              printf("ERROR: %s\n",rrd_strerror(errno));
 553              return(errno);
 554           }
 555           return(0);
 556        }
 557 #endif /* opendir and readdir */
 558
 559     }
 560     if (argc < 3
 561         || strcmp("help", argv[1]) == 0
 562         || strcmp("--help", argv[1]) == 0
 563         || strcmp("-help", argv[1]) == 0
 564         || strcmp("-?", argv[1]) == 0
 565         || strcmp("-h", argv[1]) == 0 ) {
 566         PrintUsage("");
 567         return 0;
 568     }
 569
 570     if (strcmp("create", argv[1]) == 0)
 571         rrd_create(argc-1, &argv[1]);
 572     else if (strcmp("dump", argv[1]) == 0)
 573         rrd_dump(argc-1, &argv[1]);
 574     else if (strcmp("info", argv[1]) == 0
 575                 || strcmp("updatev", argv[1]) == 0){
 576         info_t *data,*save;
 577         if (strcmp("info",argv[1]) == 0)
 578            data=rrd_info(argc-1, &argv[1]);
 579     else
 580            data=rrd_update_v(argc-1, &argv[1]);
 581         while (data) {
 582             save=data;
 583             printf ("%s = ", data->key);
 584             free(data->key);
 585
 586             switch (data->type) {
 587             case RD_I_VAL:
 588                 if (isnan (data->value.u_val))
 589                     printf("NaN");
 590                 else
 591                     printf ("%0.10e", data->value.u_val);
 592                 break;
 593             case RD_I_CNT:
 594                 printf ("%lu", data->value.u_cnt);
 595                 break;
 596             case RD_I_INT:
 597                 printf ("%d", data->value.u_int);
 598                 break;
 599             case RD_I_STR:
 600                 printf ("\"%s\"", data->value.u_str);
 601                 free(data->value.u_str);
 602                 break;
 603             }
 604             data = data->next;
 605             free(save);
 606             printf ("\n");
 607         }
 608         free(data);
 609     }
 610
 611     else if (strcmp("--version", argv[1]) == 0 ||
 612              strcmp("version", argv[1]) == 0 ||
 613              strcmp("v", argv[1]) == 0 ||
 614              strcmp("-v", argv[1]) == 0  ||
 615              strcmp("-version", argv[1]) == 0  )
 616         printf("RRDtool " PACKAGE_VERSION "  Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
 617                rrd_version());
 618     else if (strcmp("restore", argv[1]) == 0)
 619         rrd_restore(argc-1, &argv[1]);
 620     else if (strcmp("resize", argv[1]) == 0)
 621         rrd_resize(argc-1, &argv[1]);
 622     else if (strcmp("last", argv[1]) == 0)
 623         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 624     else if (strcmp("first", argv[1]) == 0)
 625         printf("%ld\n",rrd_first(argc-1, &argv[1]));
 626     else if (strcmp("update", argv[1]) == 0)
 627         rrd_update(argc-1, &argv[1]);
 628     else if (strcmp("fetch", argv[1]) == 0) {
 629         time_t        start,end, ti;
 630         unsigned long step, ds_cnt,i,ii;
 631         rrd_value_t   *data,*datai;
 632         char          **ds_namv;
 633         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 634             datai=data;
 635             printf("           ");
 636             for (i = 0; i<ds_cnt;i++)
 637                 printf("%20s",ds_namv[i]);
 638             printf ("\n\n");
 639             for (ti = start+step; ti <= end; ti += step){
 640                 printf("%10lu:", ti);
 641                 for (ii = 0; ii < ds_cnt; ii++)
 642                     printf(" %0.10e", *(datai++));
 643                 printf("\n");
 644             }
 645             for (i=0;i<ds_cnt;i++)
 646                   free(ds_namv[i]);
 647             free(ds_namv);
 648             free (data);
 649         }
 650     } else if (strcmp("xport", argv[1]) == 0) {
 651         int xxsize;
 652         unsigned long int j = 0;
 653         time_t        start,end, ti;
 654         unsigned long step, col_cnt,row_cnt;
 655         rrd_value_t   *data,*ptr;
 656         char          **legend_v;
 657         int           enumds = 0;
 658         int           i;
 659         char *vtag = NULL;
 660         vtag = malloc( strlen(COL_DATA_TAG)+10);
 661         for ( i = 2; i < argc; i++){
 662                 if (strcmp("--enumds", argv[i]) == 0)
 663                         enumds = 1;
 664         }
 665
 666         if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 667           row_cnt = (end-start)/step;
 668           ptr = data;
 669           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 670           printf("<%s>\n", ROOT_TAG);
 671           printf("  <%s>\n", META_TAG);
 672           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 673           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 674           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 675           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 676           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 677           printf("    <%s>\n", LEGEND_TAG);
 678           for (j = 0; j < col_cnt; j++) {
 679             char *entry = NULL;
 680             entry = legend_v[j];
 681             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 682             free(entry);
 683           }
 684           free(legend_v);
 685           printf("    </%s>\n", LEGEND_TAG);
 686           printf("  </%s>\n", META_TAG);
 687           printf("  <%s>\n", DATA_TAG);
 688           for (ti = start+step; ti <= end; ti += step) {
 689             printf ("    <%s>", DATA_ROW_TAG);
 690             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 691             for (j = 0; j < col_cnt; j++) {
 692               if (enumds == 1)
 693                 snprintf(vtag,15,"%s%lu", COL_DATA_TAG, j);
 694               else
 695                 snprintf(vtag,15,"%s",COL_DATA_TAG);
 696
 697               rrd_value_t newval = DNAN;
 698               newval = *ptr;
 699               if(isnan(newval)){
 700                 printf("<%s>NaN</%s>", vtag,vtag);
 701               } else {
 702                 printf("<%s>%0.10e</%s>", vtag, newval, vtag);
 703               };
 704               ptr++;
 705             }
 706             printf("</%s>\n", DATA_ROW_TAG);
 707           }
 708           free(data);
 709           printf("  </%s>\n", DATA_TAG);
 710           printf("</%s>\n", ROOT_TAG);
 711         }
 712         free(vtag);
 713     }
 714     else if (strcmp("graph", argv[1]) == 0) {
 715         char **calcpr;
 716 #ifdef notused  /*XXX*/
 717         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 718 #endif
 719         int xsize, ysize;
 720         double ymin,ymax;
 721         int i;
 722         int tostdout = (strcmp(argv[2],"-") == 0);
 723         int imginfo = 0;
 724         for (i=2;i<argc;i++){
 725                 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
 726                         imginfo = 1;
 727                         break;
 728                 }
 729         }
 730         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
 731             if (!tostdout && !imginfo)
 732                 printf ("%dx%d\n",xsize,ysize);
 733             if (calcpr) {
 734                 for(i=0;calcpr[i];i++){
 735                     if (!tostdout)
 736                         printf("%s\n",calcpr[i]);
 737                     free(calcpr[i]);
 738                 }
 739                 free(calcpr);
 740             }
 741         }
 742
 743     } else if (strcmp("tune", argv[1]) == 0)
 744                 rrd_tune(argc-1, &argv[1]);
 745     else {
 746                 rrd_set_error("unknown function '%s'",argv[1]);
 747     }
 748     if (rrd_test_error()) {
 749         fprintf(out, "ERROR: %s\n",rrd_get_error());
 750         rrd_clear_error();
 751         return 1;
 752     }
 753     return(0);
 754 }
 755
 756 int CountArgs(char *aLine)
 757 {
 758     int i=0;
 759     int aCount = 0;
 760     int inarg = 0;
 761     while (aLine[i] == ' ') i++;
 762     while (aLine[i] != 0){
 763         if((aLine[i]== ' ') && inarg){
 764             inarg = 0;
 765         }
 766         if((aLine[i]!= ' ') && ! inarg){
 767             inarg = 1;
 768             aCount++;
 769         }
 770         i++;
 771     }
 772     return aCount;
 773 }
 774
 775 /*
 776  * CreateArgs - take a string (aLine) and tokenize
 777  */
 778 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 779 {
 780     char        *getP, *putP;
 781     char        **pargv = argv;
 782     char        Quote = 0;
 783     int inArg = 0;
 784     int len;
 785
 786     len = strlen(aLine);
 787     /* remove trailing space and newlines */
 788     while (len && aLine[len] <= ' ') {
 789         aLine[len] = 0 ; len--;
 790     }
 791     /* sikp leading blanks */
 792     while (*aLine && *aLine <= ' ') aLine++;
 793
 794     pargv[0] = pName;
 795     argc = 1;
 796     getP = aLine;
 797     putP = aLine;
 798     while (*getP){
 799         switch (*getP) {
 800         case ' ':
 801             if (Quote){
 802                 *(putP++)=*getP;
 803             } else
 804                 if(inArg) {
 805                     *(putP++) = 0;
 806                     inArg = 0;
 807                 }
 808             break;
 809         case '"':
 810         case '\'':
 811             if (Quote != 0) {
 812                 if (Quote == *getP)
 813                     Quote = 0;
 814                 else {
 815                     *(putP++)=*getP;
 816                 }
 817             } else {
 818                 if(!inArg){
 819                     pargv[argc++] = putP;
 820                     inArg=1;
 821                 }
 822                 Quote = *getP;
 823             }
 824             break;
 825         default:
 826             if(!inArg){
 827                 pargv[argc++] = putP;
 828                 inArg=1;
 829             }
 830             *(putP++)=*getP;
 831             break;
 832         }
 833         getP++;
 834     }
 835
 836     *putP = '\0';
 837
 838     if (Quote)
 839         return -1;
 840     else
 841         return argc;
 842 }
 843
 844