src/rrd_tool.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.14  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[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_pwd[] =
 183            " * pwd - returns the current working directory\n\n"
 184            "\trrdtool pwd\n\n";
 185
 186     char help_lic[] =
 187            "RRDtool is distributed under the Terms of the GNU General\n"
 188            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 189
 190            "For more information read the RRD manpages\n\n";
 191
 192     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST, C_FIRST,
 193            C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
 194            C_QUIT, C_LS, C_CD, C_MKDIR, C_PWD, C_UPDATEV };
 195
 196     int help_cmd = C_NONE;
 197
 198     if (cmd)
 199         {
 200             if (!strcmp(cmd,"create"))
 201                 help_cmd = C_CREATE;
 202             else if (!strcmp(cmd,"dump"))
 203                 help_cmd = C_DUMP;
 204             else if (!strcmp(cmd,"info"))
 205                 help_cmd = C_INFO;
 206             else if (!strcmp(cmd,"restore"))
 207                 help_cmd = C_RESTORE;
 208             else if (!strcmp(cmd,"last"))
 209                 help_cmd = C_LAST;
 210             else if (!strcmp(cmd,"first"))
 211                 help_cmd = C_FIRST;
 212             else if (!strcmp(cmd,"update"))
 213                 help_cmd = C_UPDATE;
 214             else if (!strcmp(cmd,"updatev"))
 215                 help_cmd = C_UPDATEV;
 216             else if (!strcmp(cmd,"fetch"))
 217                 help_cmd = C_FETCH;
 218             else if (!strcmp(cmd,"graph"))
 219                 help_cmd = C_GRAPH;
 220             else if (!strcmp(cmd,"tune"))
 221                 help_cmd = C_TUNE;
 222             else if (!strcmp(cmd,"resize"))
 223                 help_cmd = C_RESIZE;
 224             else if (!strcmp(cmd,"xport"))
 225                 help_cmd = C_XPORT;
 226             else if (!strcmp(cmd,"quit"))
 227                 help_cmd = C_QUIT;
 228             else if (!strcmp(cmd,"ls"))
 229                 help_cmd = C_LS;
 230             else if (!strcmp(cmd,"cd"))
 231                 help_cmd = C_CD;
 232             else if (!strcmp(cmd,"mkdir"))
 233                 help_cmd = C_MKDIR;
 234             else if (!strcmp(cmd,"pwd"))
 235                 help_cmd = C_PWD;
 236         }
 237     fputs(help_main, stdout);
 238     switch (help_cmd)
 239         {
 240             case C_NONE:
 241                 fputs(help_list, stdout);
 242                 if (RemoteMode){
 243                    fputs(help_listremote, stdout);
 244                 }
 245                 break;
 246             case C_CREATE:
 247                 fputs(help_create, stdout);
 248                 break;
 249             case C_DUMP:
 250                 fputs(help_dump, stdout);
 251                 break;
 252             case C_INFO:
 253                 fputs(help_info, stdout);
 254                 break;
 255             case C_RESTORE:
 256                 fputs(help_restore, stdout);
 257                 break;
 258             case C_LAST:
 259                 fputs(help_last, stdout);
 260                 break;
 261             case C_FIRST:
 262                 fputs(help_first, stdout);
 263                 break;
 264             case C_UPDATE:
 265                 fputs(help_update, stdout);
 266                 break;
 267             case C_UPDATEV:
 268                 fputs(help_updatev, stdout);
 269                 break;
 270             case C_FETCH:
 271                 fputs(help_fetch, stdout);
 272                 break;
 273             case C_GRAPH:
 274                 fputs(help_graph1, stdout);
 275                 fputs(help_graph2, stdout);
 276                 fputs(help_graph3, stdout);
 277                 break;
 278             case C_TUNE:
 279                 fputs(help_tune1, stdout);
 280                 fputs(help_tune2, stdout);
 281                 break;
 282             case C_RESIZE:
 283                 fputs(help_resize, stdout);
 284                 break;
 285             case C_XPORT:
 286                 fputs(help_xport, stdout);
 287                 break;
 288             case C_QUIT:
 289                 fputs(help_quit, stdout);
 290                 break;
 291             case C_LS:
 292                 fputs(help_ls, stdout);
 293                 break;
 294             case C_CD:
 295                 fputs(help_cd, stdout);
 296                 break;
 297             case C_MKDIR:
 298                 fputs(help_mkdir, stdout);
 299                 break;
 300             case C_PWD:
 301                 fputs(help_pwd, stdout);
 302                 break;
 303         }
 304     fputs(help_lic, stdout);
 305 }
 306
 307 static char *fgetslong(char **aLinePtr, FILE *stream)
 308 {
 309    char *linebuf;
 310    size_t bufsize = MAX_LENGTH;
 311    int eolpos = 0;
 312
 313    if (feof(stream)) return *aLinePtr = 0;
 314    if (!(linebuf = malloc(bufsize))) {
 315       perror("fgetslong: malloc");
 316       exit(1);
 317    }
 318    linebuf[0] = '\0';
 319    while (fgets(linebuf + eolpos, MAX_LENGTH, stream)) {
 320       eolpos += strlen(linebuf + eolpos);
 321       if (linebuf[eolpos - 1] == '\n') return *aLinePtr = linebuf;
 322       bufsize += MAX_LENGTH;
 323       if (!(linebuf = realloc(linebuf, bufsize))) {
 324          perror("fgetslong: realloc");
 325          exit(1);
 326       }
 327    }
 328    return *aLinePtr = linebuf[0] ? linebuf : 0;
 329 }
 330
 331 int main(int argc, char *argv[])
 332 {
 333     char **myargv;
 334     char *aLine;
 335     char *firstdir="";
 336 #ifdef MUST_DISABLE_SIGFPE
 337     signal(SIGFPE,SIG_IGN);
 338 #endif
 339 #ifdef MUST_DISABLE_FPMASK
 340     fpsetmask(0);
 341 #endif
 342     if (argc == 1)
 343         {
 344             PrintUsage("");
 345             return 0;
 346         }
 347
 348     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 349         {
 350 #if HAVE_GETRUSAGE
 351           struct rusage  myusage;
 352           struct timeval starttime;
 353           struct timeval currenttime;
 354           struct timezone tz;
 355
 356             tz.tz_minuteswest =0;
 357             tz.tz_dsttime=0;
 358             gettimeofday(&starttime,&tz);
 359 #endif
 360           RemoteMode=1;
 361           if ((argc == 3) && strcmp("",argv[2])){
 362
 363              if (
 364 #ifdef HAVE_GETUID
 365                  getuid()
 366 #else
 367                  1
 368 #endif
 369                  == 0 ){
 370
 371 #ifdef HAVE_CHROOT
 372                 chroot(argv[2]);
 373                 if (errno!=0){
 374                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 375                            argv[2],errno);
 376                     exit(errno);
 377                 }
 378                 ChangeRoot=1;
 379                 firstdir="/";
 380 #else
 381                 fprintf(stderr,"ERROR: change root is not supported by your OS "
 382                          "or at least by this copy of rrdtool\n");
 383                 exit(1);
 384 #endif
 385              } else {
 386                 firstdir=argv[2];
 387              }
 388           }
 389           if (strcmp(firstdir,"")){
 390              chdir(firstdir);
 391              if (errno!=0){
 392                 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
 393                 exit(errno);
 394              }
 395           }
 396
 397             while (fgetslong(&aLine, stdin)){
 398                 if ((argc = CountArgs(aLine)) == 0)  {
 399                     printf("ERROR: not enough arguments\n");
 400                 }
 401                 if ((myargv = (char **) malloc((argc+1) *
 402                                                sizeof(char *))) == NULL)   {
 403                     perror("malloc");
 404                     exit(1);
 405                 }
 406                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 407                     printf("ERROR: creating arguments\n");
 408                 } else {
 409                     int ret = HandleInputLine(argc, myargv, stdout);
 410                     free(myargv);
 411                     if (ret == 0){
 412
 413
 414 #if HAVE_GETRUSAGE
 415                      getrusage(RUSAGE_SELF,&myusage);
 416                      gettimeofday(&currenttime,&tz);
 417                      printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 418                        (double)myusage.ru_utime.tv_sec+
 419                        (double)myusage.ru_utime.tv_usec/1000000.0,
 420                        (double)myusage.ru_stime.tv_sec+
 421                        (double)myusage.ru_stime.tv_usec/1000000.0,
 422                        (double)(currenttime.tv_sec-starttime.tv_sec)
 423                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 424                        /1000000.0);
 425 #else
 426                       printf("OK\n");
 427
 428 #endif
 429                   }
 430                 }
 431                 fflush(stdout); /* this is important for pipes to work */
 432                 free(aLine);
 433             }
 434         }
 435     else if (argc == 2)
 436         {
 437                 PrintUsage(argv[1]);
 438                 exit(0);
 439         }
 440     else if (argc == 3 && !strcmp(argv[1],"help"))
 441         {
 442                 PrintUsage(argv[2]);
 443                 exit(0);
 444         }
 445     else {
 446         exit(HandleInputLine(argc, argv, stderr));
 447     }
 448     return 0;
 449 }
 450
 451 /* HandleInputLine is NOT thread safe - due to readdir issues,
 452    resolving them portably is not really simple. */
 453 int HandleInputLine(int argc, char **argv, FILE* out)
 454 {
 455 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 456     DIR           *curdir; /* to read current dir with ls */
 457     struct dirent *dent;
 458 #endif
 459 #if defined(HAVE_SYS_STAT_H)
 460     struct stat   st;
 461 #endif
 462     char* cwd; /* To hold current working dir on call to pwd */
 463
 464     /* Reset errno to 0 before we start.
 465     */
 466     errno = 0;
 467
 468     if (RemoteMode){
 469        if (argc>1 && strcmp("quit", argv[1]) == 0){
 470           if (argc>2){
 471              printf("ERROR: invalid parameter count for quit\n");
 472              return(1);
 473           }
 474           exit(0);
 475        }
 476 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 477        if (argc>1 && strcmp("cd", argv[1]) == 0){
 478           if (argc>3){
 479              printf("ERROR: invalid parameter count for cd\n");
 480              return(1);
 481           }
 482 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 483           if (getuid()==0 && ! ChangeRoot){
 484              printf("ERROR: chdir security problem - rrdtool is running as "
 485                     "root but not chroot!\n");
 486              return(1);
 487           }
 488 #endif
 489           chdir(argv[2]);
 490           if (errno!=0){
 491              printf("ERROR: %s\n",rrd_strerror(errno));
 492              return(1);
 493           }
 494           return(0);
 495        }
 496        if (argc>1 && strcmp("pwd", argv[1]) == 0){
 497           if (argc>2){
 498              printf("ERROR: invalid parameter count for pwd\n");
 499              return(1);
 500           }
 501           cwd = getcwd(NULL, MAXPATH);
 502           if(cwd == NULL) {
 503              printf("ERROR: %s\n",rrd_strerror(errno));
 504              return(1);
 505           }
 506           printf("%s\n", cwd);
 507           free(cwd);
 508           return(0);
 509        }
 510        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 511           if (argc>3){
 512              printf("ERROR: invalid parameter count for mkdir\n");
 513              return(1);
 514           }
 515 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 516           if (getuid()==0 && ! ChangeRoot){
 517              printf("ERROR: mkdir security problem - rrdtool is running as "
 518                     "root but not chroot!\n");
 519              return(1);
 520           }
 521 #endif
 522           mkdir(argv[2],0777);
 523           if (errno!=0){
 524              printf("ERROR: %s\n",rrd_strerror(errno));
 525              return(1);
 526           }
 527           return(0);
 528        }
 529        if (argc>1 && strcmp("ls", argv[1]) == 0){
 530           if (argc>2){
 531              printf("ERROR: invalid parameter count for ls\n");
 532              return(1);
 533           }
 534           if ((curdir=opendir("."))!=NULL){
 535              while((dent=readdir(curdir))!=NULL){
 536                 if (!stat(dent->d_name,&st)){
 537                    if (S_ISDIR(st.st_mode)){
 538                       printf("d %s\n",dent->d_name);
 539                    }
 540                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 541                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 542                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 543                          printf("- %s\n",dent->d_name);
 544                       }
 545                    }
 546                 }
 547              }
 548              closedir(curdir);
 549           }
 550           else{
 551              printf("ERROR: %s\n",rrd_strerror(errno));
 552              return(errno);
 553           }
 554           return(0);
 555        }
 556 #endif /* opendir and readdir */
 557
 558     }
 559     if (argc < 3
 560         || strcmp("help", argv[1]) == 0
 561         || strcmp("--help", argv[1]) == 0
 562         || strcmp("-help", argv[1]) == 0
 563         || strcmp("-?", argv[1]) == 0
 564         || strcmp("-h", argv[1]) == 0 ) {
 565         PrintUsage("");
 566         return 0;
 567     }
 568
 569     if (strcmp("create", argv[1]) == 0)
 570         rrd_create(argc-1, &argv[1]);
 571     else if (strcmp("dump", argv[1]) == 0)
 572         rrd_dump(argc-1, &argv[1]);
 573     else if (strcmp("info", argv[1]) == 0
 574                 || strcmp("updatev", argv[1]) == 0){
 575         info_t *data,*save;
 576         if (strcmp("info",argv[1]) == 0)
 577            data=rrd_info(argc-1, &argv[1]);
 578     else
 579            data=rrd_update_v(argc-1, &argv[1]);
 580         while (data) {
 581             save=data;
 582             printf ("%s = ", data->key);
 583             free(data->key);
 584
 585             switch (data->type) {
 586             case RD_I_VAL:
 587                 if (isnan (data->value.u_val))
 588                     printf("NaN");
 589                 else
 590                     printf ("%0.10e", data->value.u_val);
 591                 break;
 592             case RD_I_CNT:
 593                 printf ("%lu", data->value.u_cnt);
 594                 break;
 595             case RD_I_INT:
 596                 printf ("%d", data->value.u_int);
 597                 break;
 598             case RD_I_STR:
 599                 printf ("\"%s\"", data->value.u_str);
 600                 free(data->value.u_str);
 601                 break;
 602             }
 603             data = data->next;
 604             free(save);
 605             printf ("\n");
 606         }
 607         free(data);
 608     }
 609
 610     else if (strcmp("--version", argv[1]) == 0 ||
 611              strcmp("version", argv[1]) == 0 ||
 612              strcmp("v", argv[1]) == 0 ||
 613              strcmp("-v", argv[1]) == 0  ||
 614              strcmp("-version", argv[1]) == 0  )
 615         printf("RRDtool " PACKAGE_VERSION "  Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
 616                rrd_version());
 617     else if (strcmp("restore", argv[1]) == 0)
 618         rrd_restore(argc-1, &argv[1]);
 619     else if (strcmp("resize", argv[1]) == 0)
 620         rrd_resize(argc-1, &argv[1]);
 621     else if (strcmp("last", argv[1]) == 0)
 622         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 623     else if (strcmp("first", argv[1]) == 0)
 624         printf("%ld\n",rrd_first(argc-1, &argv[1]));
 625     else if (strcmp("update", argv[1]) == 0)
 626         rrd_update(argc-1, &argv[1]);
 627     else if (strcmp("fetch", argv[1]) == 0) {
 628         time_t        start,end, ti;
 629         unsigned long step, ds_cnt,i,ii;
 630         rrd_value_t   *data,*datai;
 631         char          **ds_namv;
 632         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 633             datai=data;
 634             printf("           ");
 635             for (i = 0; i<ds_cnt;i++)
 636                 printf("%20s",ds_namv[i]);
 637             printf ("\n\n");
 638             for (ti = start+step; ti <= end; ti += step){
 639                 printf("%10lu:", ti);
 640                 for (ii = 0; ii < ds_cnt; ii++)
 641                     printf(" %0.10e", *(datai++));
 642                 printf("\n");
 643             }
 644             for (i=0;i<ds_cnt;i++)
 645                   free(ds_namv[i]);
 646             free(ds_namv);
 647             free (data);
 648         }
 649     } else if (strcmp("xport", argv[1]) == 0) {
 650        int xxsize;
 651         unsigned long int j = 0;
 652         time_t        start,end, ti;
 653         unsigned long step, col_cnt,row_cnt;
 654         rrd_value_t   *data,*ptr;
 655         char          **legend_v;
 656        if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 657           row_cnt = (end-start)/step;
 658           ptr = data;
 659           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 660           printf("<%s>\n", ROOT_TAG);
 661           printf("  <%s>\n", META_TAG);
 662           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 663           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 664           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 665           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 666           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 667           printf("    <%s>\n", LEGEND_TAG);
 668           for (j = 0; j < col_cnt; j++) {
 669             char *entry = NULL;
 670             entry = legend_v[j];
 671             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 672             free(entry);
 673           }
 674           free(legend_v);
 675           printf("    </%s>\n", LEGEND_TAG);
 676           printf("  </%s>\n", META_TAG);
 677           printf("  <%s>\n", DATA_TAG);
 678           for (ti = start+step; ti <= end; ti += step) {
 679             printf ("    <%s>", DATA_ROW_TAG);
 680             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 681             for (j = 0; j < col_cnt; j++) {
 682               rrd_value_t newval = DNAN;
 683               newval = *ptr;
 684               if(isnan(newval)){
 685                 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
 686               } else {
 687                 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
 688               };
 689               ptr++;
 690             }
 691             printf("</%s>\n", DATA_ROW_TAG);
 692           }
 693           free(data);
 694           printf("  </%s>\n", DATA_TAG);
 695           printf("</%s>\n", ROOT_TAG);
 696         }
 697     }
 698     else if (strcmp("graph", argv[1]) == 0) {
 699         char **calcpr;
 700 #ifdef notused  /*XXX*/
 701         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 702 #endif
 703         int xsize, ysize;
 704         double ymin,ymax;
 705         int i;
 706         int tostdout = (strcmp(argv[2],"-") == 0);
 707         int imginfo = 0;
 708         for (i=2;i<argc;i++){
 709                 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
 710                         imginfo = 1;
 711                         break;
 712                 }
 713         }
 714         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
 715             if (!tostdout && !imginfo)
 716                 printf ("%dx%d\n",xsize,ysize);
 717             if (calcpr) {
 718                 for(i=0;calcpr[i];i++){
 719                     if (!tostdout)
 720                         printf("%s\n",calcpr[i]);
 721                     free(calcpr[i]);
 722                 }
 723                 free(calcpr);
 724             }
 725         }
 726
 727     } else if (strcmp("tune", argv[1]) == 0)
 728                 rrd_tune(argc-1, &argv[1]);
 729     else {
 730                 rrd_set_error("unknown function '%s'",argv[1]);
 731     }
 732     if (rrd_test_error()) {
 733         fprintf(out, "ERROR: %s\n",rrd_get_error());
 734         rrd_clear_error();
 735         return 1;
 736     }
 737     return(0);
 738 }
 739
 740 int CountArgs(char *aLine)
 741 {
 742     int i=0;
 743     int aCount = 0;
 744     int inarg = 0;
 745     while (aLine[i] == ' ') i++;
 746     while (aLine[i] != 0){
 747         if((aLine[i]== ' ') && inarg){
 748             inarg = 0;
 749         }
 750         if((aLine[i]!= ' ') && ! inarg){
 751             inarg = 1;
 752             aCount++;
 753         }
 754         i++;
 755     }
 756     return aCount;
 757 }
 758
 759 /*
 760  * CreateArgs - take a string (aLine) and tokenize
 761  */
 762 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 763 {
 764     char        *getP, *putP;
 765     char        **pargv = argv;
 766     char        Quote = 0;
 767     int inArg = 0;
 768     int len;
 769
 770     len = strlen(aLine);
 771     /* remove trailing space and newlines */
 772     while (len && aLine[len] <= ' ') {
 773         aLine[len] = 0 ; len--;
 774     }
 775     /* sikp leading blanks */
 776     while (*aLine && *aLine <= ' ') aLine++;
 777
 778     pargv[0] = pName;
 779     argc = 1;
 780     getP = aLine;
 781     putP = aLine;
 782     while (*getP){
 783         switch (*getP) {
 784         case ' ':
 785             if (Quote){
 786                 *(putP++)=*getP;
 787             } else
 788                 if(inArg) {
 789                     *(putP++) = 0;
 790                     inArg = 0;
 791                 }
 792             break;
 793         case '"':
 794         case '\'':
 795             if (Quote != 0) {
 796                 if (Quote == *getP)
 797                     Quote = 0;
 798                 else {
 799                     *(putP++)=*getP;
 800                 }
 801             } else {
 802                 if(!inArg){
 803                     pargv[argc++] = putP;
 804                     inArg=1;
 805                 }
 806                 Quote = *getP;
 807             }
 808             break;
 809         default:
 810             if(!inArg){
 811                 pargv[argc++] = putP;
 812                 inArg=1;
 813             }
 814             *(putP++)=*getP;
 815             break;
 816         }
 817         getP++;
 818     }
 819
 820     *putP = '\0';
 821
 822     if (Quote)
 823         return -1;
 824     else
 825         return argc;
 826 }
 827
 828