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[--unknownaszero]\n"
 164            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
 165            "\t\t[CDEF:vname=rpn-expression]\n"
 166            "\t\t[XPORT:vname:legend]\n\n";
 167
 168     char help_quit[] =
 169            " * quit - closing a session in remote mode\n\n"
 170            "\trrdtool quit\n\n";
 171
 172     char help_ls[] =
 173            " * ls - lists all *.rrd files in current directory\n\n"
 174            "\trrdtool ls\n\n";
 175
 176     char help_cd[] =
 177            " * cd - changes the current directory\n\n"
 178            "\trrdtool cd new directory\n\n";
 179
 180     char help_mkdir[] =
 181            " * mkdir - creates a new directory\n\n"
 182            "\trrdtool mkdir newdirectoryname\n\n";
 183
 184     char help_pwd[] =
 185            " * pwd - returns the current working directory\n\n"
 186            "\trrdtool pwd\n\n";
 187
 188     char help_lic[] =
 189            "RRDtool is distributed under the Terms of the GNU General\n"
 190            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 191
 192            "For more information read the RRD manpages\n\n";
 193
 194     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST, C_FIRST,
 195            C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
 196            C_QUIT, C_LS, C_CD, C_MKDIR, C_PWD, C_UPDATEV };
 197
 198     int help_cmd = C_NONE;
 199
 200     if (cmd)
 201         {
 202             if (!strcmp(cmd,"create"))
 203                 help_cmd = C_CREATE;
 204             else if (!strcmp(cmd,"dump"))
 205                 help_cmd = C_DUMP;
 206             else if (!strcmp(cmd,"info"))
 207                 help_cmd = C_INFO;
 208             else if (!strcmp(cmd,"restore"))
 209                 help_cmd = C_RESTORE;
 210             else if (!strcmp(cmd,"last"))
 211                 help_cmd = C_LAST;
 212             else if (!strcmp(cmd,"first"))
 213                 help_cmd = C_FIRST;
 214             else if (!strcmp(cmd,"update"))
 215                 help_cmd = C_UPDATE;
 216             else if (!strcmp(cmd,"updatev"))
 217                 help_cmd = C_UPDATEV;
 218             else if (!strcmp(cmd,"fetch"))
 219                 help_cmd = C_FETCH;
 220             else if (!strcmp(cmd,"graph"))
 221                 help_cmd = C_GRAPH;
 222             else if (!strcmp(cmd,"tune"))
 223                 help_cmd = C_TUNE;
 224             else if (!strcmp(cmd,"resize"))
 225                 help_cmd = C_RESIZE;
 226             else if (!strcmp(cmd,"xport"))
 227                 help_cmd = C_XPORT;
 228             else if (!strcmp(cmd,"quit"))
 229                 help_cmd = C_QUIT;
 230             else if (!strcmp(cmd,"ls"))
 231                 help_cmd = C_LS;
 232             else if (!strcmp(cmd,"cd"))
 233                 help_cmd = C_CD;
 234             else if (!strcmp(cmd,"mkdir"))
 235                 help_cmd = C_MKDIR;
 236             else if (!strcmp(cmd,"pwd"))
 237                 help_cmd = C_PWD;
 238         }
 239     fputs(help_main, stdout);
 240     switch (help_cmd)
 241         {
 242             case C_NONE:
 243                 fputs(help_list, stdout);
 244                 if (RemoteMode){
 245                    fputs(help_listremote, stdout);
 246                 }
 247                 break;
 248             case C_CREATE:
 249                 fputs(help_create, stdout);
 250                 break;
 251             case C_DUMP:
 252                 fputs(help_dump, stdout);
 253                 break;
 254             case C_INFO:
 255                 fputs(help_info, stdout);
 256                 break;
 257             case C_RESTORE:
 258                 fputs(help_restore, stdout);
 259                 break;
 260             case C_LAST:
 261                 fputs(help_last, stdout);
 262                 break;
 263             case C_FIRST:
 264                 fputs(help_first, stdout);
 265                 break;
 266             case C_UPDATE:
 267                 fputs(help_update, stdout);
 268                 break;
 269             case C_UPDATEV:
 270                 fputs(help_updatev, stdout);
 271                 break;
 272             case C_FETCH:
 273                 fputs(help_fetch, stdout);
 274                 break;
 275             case C_GRAPH:
 276                 fputs(help_graph1, stdout);
 277                 fputs(help_graph2, stdout);
 278                 fputs(help_graph3, stdout);
 279                 break;
 280             case C_TUNE:
 281                 fputs(help_tune1, stdout);
 282                 fputs(help_tune2, stdout);
 283                 break;
 284             case C_RESIZE:
 285                 fputs(help_resize, stdout);
 286                 break;
 287             case C_XPORT:
 288                 fputs(help_xport, stdout);
 289                 break;
 290             case C_QUIT:
 291                 fputs(help_quit, stdout);
 292                 break;
 293             case C_LS:
 294                 fputs(help_ls, stdout);
 295                 break;
 296             case C_CD:
 297                 fputs(help_cd, stdout);
 298                 break;
 299             case C_MKDIR:
 300                 fputs(help_mkdir, stdout);
 301                 break;
 302             case C_PWD:
 303                 fputs(help_pwd, stdout);
 304                 break;
 305         }
 306     fputs(help_lic, stdout);
 307 }
 308
 309 static char *fgetslong(char **aLinePtr, FILE *stream)
 310 {
 311    char *linebuf;
 312    size_t bufsize = MAX_LENGTH;
 313    int eolpos = 0;
 314
 315    if (feof(stream)) return *aLinePtr = 0;
 316    if (!(linebuf = malloc(bufsize))) {
 317       perror("fgetslong: malloc");
 318       exit(1);
 319    }
 320    linebuf[0] = '\0';
 321    while (fgets(linebuf + eolpos, MAX_LENGTH, stream)) {
 322       eolpos += strlen(linebuf + eolpos);
 323       if (linebuf[eolpos - 1] == '\n') return *aLinePtr = linebuf;
 324       bufsize += MAX_LENGTH;
 325       if (!(linebuf = realloc(linebuf, bufsize))) {
 326          perror("fgetslong: realloc");
 327          exit(1);
 328       }
 329    }
 330    return *aLinePtr = linebuf[0] ? linebuf : 0;
 331 }
 332
 333 int main(int argc, char *argv[])
 334 {
 335     char **myargv;
 336     char *aLine;
 337     char *firstdir="";
 338 #ifdef MUST_DISABLE_SIGFPE
 339     signal(SIGFPE,SIG_IGN);
 340 #endif
 341 #ifdef MUST_DISABLE_FPMASK
 342     fpsetmask(0);
 343 #endif
 344     if (argc == 1)
 345         {
 346             PrintUsage("");
 347             return 0;
 348         }
 349
 350     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 351         {
 352 #if HAVE_GETRUSAGE
 353           struct rusage  myusage;
 354           struct timeval starttime;
 355           struct timeval currenttime;
 356           struct timezone tz;
 357
 358             tz.tz_minuteswest =0;
 359             tz.tz_dsttime=0;
 360             gettimeofday(&starttime,&tz);
 361 #endif
 362           RemoteMode=1;
 363           if ((argc == 3) && strcmp("",argv[2])){
 364
 365              if (
 366 #ifdef HAVE_GETUID
 367                  getuid()
 368 #else
 369                  1
 370 #endif
 371                  == 0 ){
 372
 373 #ifdef HAVE_CHROOT
 374                 chroot(argv[2]);
 375                 if (errno!=0){
 376                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 377                            argv[2],errno);
 378                     exit(errno);
 379                 }
 380                 ChangeRoot=1;
 381                 firstdir="/";
 382 #else
 383                 fprintf(stderr,"ERROR: change root is not supported by your OS "
 384                          "or at least by this copy of rrdtool\n");
 385                 exit(1);
 386 #endif
 387              } else {
 388                 firstdir=argv[2];
 389              }
 390           }
 391           if (strcmp(firstdir,"")){
 392              chdir(firstdir);
 393              if (errno!=0){
 394                 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
 395                 exit(errno);
 396              }
 397           }
 398
 399             while (fgetslong(&aLine, stdin)){
 400                 if ((argc = CountArgs(aLine)) == 0)  {
 401                     printf("ERROR: not enough arguments\n");
 402                 }
 403                 if ((myargv = (char **) malloc((argc+1) *
 404                                                sizeof(char *))) == NULL)   {
 405                     perror("malloc");
 406                     exit(1);
 407                 }
 408                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 409                     printf("ERROR: creating arguments\n");
 410                 } else {
 411                     int ret = HandleInputLine(argc, myargv, stdout);
 412                     free(myargv);
 413                     if (ret == 0){
 414
 415
 416 #if HAVE_GETRUSAGE
 417                      getrusage(RUSAGE_SELF,&myusage);
 418                      gettimeofday(&currenttime,&tz);
 419                      printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 420                        (double)myusage.ru_utime.tv_sec+
 421                        (double)myusage.ru_utime.tv_usec/1000000.0,
 422                        (double)myusage.ru_stime.tv_sec+
 423                        (double)myusage.ru_stime.tv_usec/1000000.0,
 424                        (double)(currenttime.tv_sec-starttime.tv_sec)
 425                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 426                        /1000000.0);
 427 #else
 428                       printf("OK\n");
 429
 430 #endif
 431                   }
 432                 }
 433                 fflush(stdout); /* this is important for pipes to work */
 434                 free(aLine);
 435             }
 436         }
 437     else if (argc == 2)
 438         {
 439                 PrintUsage(argv[1]);
 440                 exit(0);
 441         }
 442     else if (argc == 3 && !strcmp(argv[1],"help"))
 443         {
 444                 PrintUsage(argv[2]);
 445                 exit(0);
 446         }
 447     else {
 448         exit(HandleInputLine(argc, argv, stderr));
 449     }
 450     return 0;
 451 }
 452
 453 /* HandleInputLine is NOT thread safe - due to readdir issues,
 454    resolving them portably is not really simple. */
 455 int HandleInputLine(int argc, char **argv, FILE* out)
 456 {
 457 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 458     DIR           *curdir; /* to read current dir with ls */
 459     struct dirent *dent;
 460 #endif
 461 #if defined(HAVE_SYS_STAT_H)
 462     struct stat   st;
 463 #endif
 464     char* cwd; /* To hold current working dir on call to pwd */
 465
 466     /* Reset errno to 0 before we start.
 467     */
 468     errno = 0;
 469
 470     if (RemoteMode){
 471        if (argc>1 && strcmp("quit", argv[1]) == 0){
 472           if (argc>2){
 473              printf("ERROR: invalid parameter count for quit\n");
 474              return(1);
 475           }
 476           exit(0);
 477        }
 478 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 479        if (argc>1 && strcmp("cd", argv[1]) == 0){
 480           if (argc>3){
 481              printf("ERROR: invalid parameter count for cd\n");
 482              return(1);
 483           }
 484 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 485           if (getuid()==0 && ! ChangeRoot){
 486              printf("ERROR: chdir security problem - rrdtool is running as "
 487                     "root but not chroot!\n");
 488              return(1);
 489           }
 490 #endif
 491           chdir(argv[2]);
 492           if (errno!=0){
 493              printf("ERROR: %s\n",rrd_strerror(errno));
 494              return(1);
 495           }
 496           return(0);
 497        }
 498        if (argc>1 && strcmp("pwd", argv[1]) == 0){
 499           if (argc>2){
 500              printf("ERROR: invalid parameter count for pwd\n");
 501              return(1);
 502           }
 503           cwd = getcwd(NULL, MAXPATH);
 504           if(cwd == NULL) {
 505              printf("ERROR: %s\n",rrd_strerror(errno));
 506              return(1);
 507           }
 508           printf("%s\n", cwd);
 509           free(cwd);
 510           return(0);
 511        }
 512        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 513           if (argc>3){
 514              printf("ERROR: invalid parameter count for mkdir\n");
 515              return(1);
 516           }
 517 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 518           if (getuid()==0 && ! ChangeRoot){
 519              printf("ERROR: mkdir security problem - rrdtool is running as "
 520                     "root but not chroot!\n");
 521              return(1);
 522           }
 523 #endif
 524           mkdir(argv[2],0777);
 525           if (errno!=0){
 526              printf("ERROR: %s\n",rrd_strerror(errno));
 527              return(1);
 528           }
 529           return(0);
 530        }
 531        if (argc>1 && strcmp("ls", argv[1]) == 0){
 532           if (argc>2){
 533              printf("ERROR: invalid parameter count for ls\n");
 534              return(1);
 535           }
 536           if ((curdir=opendir("."))!=NULL){
 537              while((dent=readdir(curdir))!=NULL){
 538                 if (!stat(dent->d_name,&st)){
 539                    if (S_ISDIR(st.st_mode)){
 540                       printf("d %s\n",dent->d_name);
 541                    }
 542                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 543                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 544                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 545                          printf("- %s\n",dent->d_name);
 546                       }
 547                    }
 548                 }
 549              }
 550              closedir(curdir);
 551           }
 552           else{
 553              printf("ERROR: %s\n",rrd_strerror(errno));
 554              return(errno);
 555           }
 556           return(0);
 557        }
 558 #endif /* opendir and readdir */
 559
 560     }
 561     if (argc < 3
 562         || strcmp("help", argv[1]) == 0
 563         || strcmp("--help", argv[1]) == 0
 564         || strcmp("-help", argv[1]) == 0
 565         || strcmp("-?", argv[1]) == 0
 566         || strcmp("-h", argv[1]) == 0 ) {
 567         PrintUsage("");
 568         return 0;
 569     }
 570
 571     if (strcmp("create", argv[1]) == 0)
 572         rrd_create(argc-1, &argv[1]);
 573     else if (strcmp("dump", argv[1]) == 0)
 574         rrd_dump(argc-1, &argv[1]);
 575     else if (strcmp("info", argv[1]) == 0
 576                 || strcmp("updatev", argv[1]) == 0){
 577         info_t *data,*save;
 578         if (strcmp("info",argv[1]) == 0)
 579            data=rrd_info(argc-1, &argv[1]);
 580     else
 581            data=rrd_update_v(argc-1, &argv[1]);
 582         while (data) {
 583             save=data;
 584             printf ("%s = ", data->key);
 585             free(data->key);
 586
 587             switch (data->type) {
 588             case RD_I_VAL:
 589                 if (isnan (data->value.u_val))
 590                     printf("NaN");
 591                 else
 592                     printf ("%0.10e", data->value.u_val);
 593                 break;
 594             case RD_I_CNT:
 595                 printf ("%lu", data->value.u_cnt);
 596                 break;
 597             case RD_I_INT:
 598                 printf ("%d", data->value.u_int);
 599                 break;
 600             case RD_I_STR:
 601                 printf ("\"%s\"", data->value.u_str);
 602                 free(data->value.u_str);
 603                 break;
 604             }
 605             data = data->next;
 606             free(save);
 607             printf ("\n");
 608         }
 609         free(data);
 610     }
 611
 612     else if (strcmp("--version", argv[1]) == 0 ||
 613              strcmp("version", argv[1]) == 0 ||
 614              strcmp("v", argv[1]) == 0 ||
 615              strcmp("-v", argv[1]) == 0  ||
 616              strcmp("-version", argv[1]) == 0  )
 617         printf("RRDtool " PACKAGE_VERSION "  Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
 618                rrd_version());
 619     else if (strcmp("restore", argv[1]) == 0)
 620         rrd_restore(argc-1, &argv[1]);
 621     else if (strcmp("resize", argv[1]) == 0)
 622         rrd_resize(argc-1, &argv[1]);
 623     else if (strcmp("last", argv[1]) == 0)
 624         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 625     else if (strcmp("first", argv[1]) == 0)
 626         printf("%ld\n",rrd_first(argc-1, &argv[1]));
 627     else if (strcmp("update", argv[1]) == 0)
 628         rrd_update(argc-1, &argv[1]);
 629     else if (strcmp("fetch", argv[1]) == 0) {
 630         time_t        start,end, ti;
 631         unsigned long step, ds_cnt,i,ii;
 632         rrd_value_t   *data,*datai;
 633         char          **ds_namv;
 634         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 635             datai=data;
 636             printf("           ");
 637             for (i = 0; i<ds_cnt;i++)
 638                 printf("%20s",ds_namv[i]);
 639             printf ("\n\n");
 640             for (ti = start+step; ti <= end; ti += step){
 641                 printf("%10lu:", ti);
 642                 for (ii = 0; ii < ds_cnt; ii++)
 643                     printf(" %0.10e", *(datai++));
 644                 printf("\n");
 645             }
 646             for (i=0;i<ds_cnt;i++)
 647                   free(ds_namv[i]);
 648             free(ds_namv);
 649             free (data);
 650         }
 651     } else if (strcmp("xport", argv[1]) == 0) {
 652         int xxsize;
 653         unsigned long int j = 0;
 654         time_t        start,end, ti;
 655         unsigned long step, col_cnt,row_cnt;
 656         rrd_value_t   *data,*ptr;
 657         char          **legend_v;
 658         int           enumds = 0;
 659         int           unknownaszero = 0;
 660         int           i;
 661         char *vtag = NULL;
 662         vtag = malloc( strlen(COL_DATA_TAG)+10);
 663         for ( i = 2; i < argc; i++){
 664                 if (strcmp("--enumds", argv[i]) == 0)
 665                         enumds = 1;
 666                 if (strcmp("--unknownaszero", argv[i]) == 0)
 667                         unknownaszero = 1;
 668         }
 669
 670         if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 671           row_cnt = (end-start)/step;
 672           ptr = data;
 673           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 674           printf("<%s>\n", ROOT_TAG);
 675           printf("  <%s>\n", META_TAG);
 676           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 677           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 678           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 679           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 680           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 681           printf("    <%s>\n", LEGEND_TAG);
 682           for (j = 0; j < col_cnt; j++) {
 683             char *entry = NULL;
 684             entry = legend_v[j];
 685             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 686             free(entry);
 687           }
 688           free(legend_v);
 689           printf("    </%s>\n", LEGEND_TAG);
 690           printf("  </%s>\n", META_TAG);
 691           printf("  <%s>\n", DATA_TAG);
 692           for (ti = start+step; ti <= end; ti += step) {
 693             printf ("    <%s>", DATA_ROW_TAG);
 694             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 695             for (j = 0; j < col_cnt; j++) {
 696               if (enumds == 1)
 697                 snprintf(vtag,15,"%s%lu", COL_DATA_TAG, j);
 698               else
 699                 snprintf(vtag,15,"%s",COL_DATA_TAG);
 700
 701               rrd_value_t newval = DNAN;
 702               newval = *ptr;
 703               if(isnan(newval)){
 704                   if (unknownaszero == 1)
 705                       printf("<%s>0</%s>", vtag,vtag);
 706                   else
 707                       printf("<%s>NaN</%s>", vtag,vtag);
 708               } else {
 709                 printf("<%s>%0.10e</%s>", vtag, newval, vtag);
 710               };
 711               ptr++;
 712             }
 713             printf("</%s>\n", DATA_ROW_TAG);
 714           }
 715           free(data);
 716           printf("  </%s>\n", DATA_TAG);
 717           printf("</%s>\n", ROOT_TAG);
 718         }
 719         free(vtag);
 720     }
 721     else if (strcmp("graph", argv[1]) == 0) {
 722         char **calcpr;
 723 #ifdef notused  /*XXX*/
 724         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 725 #endif
 726         int xsize, ysize;
 727         double ymin,ymax;
 728         int i;
 729         int tostdout = (strcmp(argv[2],"-") == 0);
 730         int imginfo = 0;
 731         for (i=2;i<argc;i++){
 732                 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
 733                         imginfo = 1;
 734                         break;
 735                 }
 736         }
 737         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
 738             if (!tostdout && !imginfo)
 739                 printf ("%dx%d\n",xsize,ysize);
 740             if (calcpr) {
 741                 for(i=0;calcpr[i];i++){
 742                     if (!tostdout)
 743                         printf("%s\n",calcpr[i]);
 744                     free(calcpr[i]);
 745                 }
 746                 free(calcpr);
 747             }
 748         }
 749
 750     } else if (strcmp("tune", argv[1]) == 0)
 751                 rrd_tune(argc-1, &argv[1]);
 752     else {
 753                 rrd_set_error("unknown function '%s'",argv[1]);
 754     }
 755     if (rrd_test_error()) {
 756         fprintf(out, "ERROR: %s\n",rrd_get_error());
 757         rrd_clear_error();
 758         return 1;
 759     }
 760     return(0);
 761 }
 762
 763 int CountArgs(char *aLine)
 764 {
 765     int i=0;
 766     int aCount = 0;
 767     int inarg = 0;
 768     while (aLine[i] == ' ') i++;
 769     while (aLine[i] != 0){
 770         if((aLine[i]== ' ') && inarg){
 771             inarg = 0;
 772         }
 773         if((aLine[i]!= ' ') && ! inarg){
 774             inarg = 1;
 775             aCount++;
 776         }
 777         i++;
 778     }
 779     return aCount;
 780 }
 781
 782 /*
 783  * CreateArgs - take a string (aLine) and tokenize
 784  */
 785 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 786 {
 787     char        *getP, *putP;
 788     char        **pargv = argv;
 789     char        Quote = 0;
 790     int inArg = 0;
 791     int len;
 792
 793     len = strlen(aLine);
 794     /* remove trailing space and newlines */
 795     while (len && aLine[len] <= ' ') {
 796         aLine[len] = 0 ; len--;
 797     }
 798     /* sikp leading blanks */
 799     while (*aLine && *aLine <= ' ') aLine++;
 800
 801     pargv[0] = pName;
 802     argc = 1;
 803     getP = aLine;
 804     putP = aLine;
 805     while (*getP){
 806         switch (*getP) {
 807         case ' ':
 808             if (Quote){
 809                 *(putP++)=*getP;
 810             } else
 811                 if(inArg) {
 812                     *(putP++) = 0;
 813                     inArg = 0;
 814                 }
 815             break;
 816         case '"':
 817         case '\'':
 818             if (Quote != 0) {
 819                 if (Quote == *getP)
 820                     Quote = 0;
 821                 else {
 822                     *(putP++)=*getP;
 823                 }
 824             } else {
 825                 if(!inArg){
 826                     pargv[argc++] = putP;
 827                     inArg=1;
 828                 }
 829                 Quote = *getP;
 830             }
 831             break;
 832         default:
 833             if(!inArg){
 834                 pargv[argc++] = putP;
 835                 inArg=1;
 836             }
 837             *(putP++)=*getP;
 838             break;
 839         }
 840         getP++;
 841     }
 842
 843     *putP = '\0';
 844
 845     if (Quote)
 846         return -1;
 847     else
 848         return argc;
 849 }
 850
 851