src/rrd_tool.c

   1 /*****************************************************************************
   2  * RRDtool 1.1.x  Copyright Tobias Oetiker, 1997 - 2002
   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 1.1.x  Copyright 1997-2003 by Tobias Oetiker <tobi@oetiker.ch>\n"
  26            "               Compiled " MAKE_TIMESTAMP "\n\n"
  27            "Usage: rrdtool [options] command command_options\n\n";
  28
  29     char help_list[] =
  30            "Valid commands: create, update, graph, dump, restore,\n"
  31            "\t\tlast, info, fetch, tune, resize, xport\n\n";
  32
  33     char help_listremote[] =
  34            "Valid remote commands: quit, ls, cd, mkdir\n\n";
  35
  36
  37     char help_create[] =
  38            "* create - create a new RRD\n\n"
  39            "\trrdtool create filename [--start|-b start time]\n"
  40            "\t\t[--step|-s step]\n"
  41            "\t\t[DS:ds-name:DST:dst arguments]\n"
  42            "\t\t[RRA:CF:cf arguments]\n\n";
  43
  44     char help_dump[] =
  45            "* dump - dump an RRD to XML\n\n"
  46            "\trrdtool dump filename.rrd >filename.xml\n\n";
  47
  48     char help_info[] =
  49            "* info - returns the configuration and status of the RRD\n\n"
  50            "\trrdtool info filename.rrd\n\n";
  51
  52     char help_restore[] =
  53            "* restore - restore an RRD file from its XML form\n\n"
  54            "\trrdtool restore [--range-check|-r] 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_update[] =
  61            "* update - update an RRD\n\n"
  62            "\trrdtool update filename\n"
  63            "\t\t--template|-t ds-name:ds-name:...\n"
  64            "\t\ttime|N:value[:value...]\n\n"
  65            "\t\tat-time@value[:value...]\n\n"
  66            "\t\t[ time:value[:value...] ..]\n\n";
  67
  68     char help_fetch[] =
  69            "* fetch - fetch data out of an RRD\n\n"
  70            "\trrdtool fetch filename.rrd CF\n"
  71            "\t\t[--resolution|-r resolution]\n"
  72            "\t\t[--start|-s start] [--end|-e end]\n\n";
  73
  74     char help_graph[] =
  75            "* graph - generate a graph from one or several RRD\n\n"
  76            "\trrdtool graph filename [-s|--start seconds] [-e|--end seconds]\n"
  77            "\t\t[-x|--x-grid x-axis grid and label]\n"
  78            "\t\t[--alt-y-grid]\n"
  79            "\t\t[-y|--y-grid y-axis grid and label]\n"
  80            "\t\t[-v|--vertical-label string] [-w|--width pixels]\n"
  81            "\t\t[-h|--height pixels] [-o|--logarithmic]\n"
  82            "\t\t[-u|--upper-limit value] [-z|--lazy]\n"
  83            "\t\t[-l|--lower-limit value] [-r|--rigid]\n"
  84            "\t\t[-g|--no-legend]\n"
  85            "\t\t[--font FONTTAG:size:font]\n"
  86            "\t\t[--zoom factor]\n"
  87            "\t\t[--alt-autoscale]\n"
  88            "\t\t[--alt-autoscale-max]\n"
  89            "\t\t[--units-exponent value]\n"
  90            "\t\t[--step seconds]\n"
  91            "\t\t[-f|--imginfo printfstr]\n"
  92            "\t\t[-a|--imgformat PNG]\n"
  93            "\t\t[-c|--color COLORTAG#rrggbb[aa]] [-t|--title string]\n"
  94            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
  95            "\t\t[CDEF:vname=rpn-expression]\n"
  96            "\t\t[PRINT:vname:CF:format]\n"
  97            "\t\t[GPRINT:vname:CF:format]\n"
  98            "\t\t[HRULE:value#rrggbb[aa][:legend]]\n"
  99            "\t\t[VRULE:value#rrggbb[aa][:legend]]\n"
 100            "\t\t[LINE{1|2|3}:vname[#rrggbb[aa][:legend]]]\n"
 101            "\t\t[AREA:vname[#rrggbb[aa][:legend]]]\n"
 102            "\t\t[STACK:vname[#rrggbb[aa][:legend]]]\n\n";
 103
 104     char help_tune[] =
 105            " * tune -  Modify some basic properties of an RRD\n\n"
 106            "\trrdtool tune filename\n"
 107            "\t\t[--heartbeat|-h ds-name:heartbeat]\n"
 108            "\t\t[--data-source-type|-d ds-name:DST]\n"
 109            "\t\t[--data-source-rename|-r old-name:new-name]\n"
 110            "\t\t[--minimum|-i ds-name:min] [--maximum|-a ds-name:max]\n"
 111            "\t\t[--deltapos scale-value] [--deltaneg scale-value]\n"
 112            "\t\t[--failure-threshold integer]\n"
 113            "\t\t[--window-length integer]\n"
 114            "\t\t[--alpha adaptation-parameter]\n"
 115            "\t\t[--beta adaptation-parameter]\n"
 116            "\t\t[--gamma adaptation-parameter]\n"
 117            "\t\t[--gamma-deviation adaptation-parameter]\n"
 118            "\t\t[--aberrant-reset ds-name]\n\n";
 119
 120     char help_resize[] =
 121            " * resize - alter the lenght of one of the RRAs in an RRD\n\n"
 122            "\trrdtool resize filename rranum GROW|SHRINK rows\n\n";
 123
 124     char help_xport[] =
 125            "* xport - generate XML dump from one or several RRD\n\n"
 126            "\trrdtool xport [-s|--start seconds] [-e|--end seconds]\n"
 127            "\t\t[-m|--maxrows rows]\n"
 128            "\t\t[--step seconds]\n"
 129            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
 130            "\t\t[CDEF:vname=rpn-expression]\n"
 131            "\t\t[XPORT:vname:legend]\n\n";
 132
 133     char help_quit[] =
 134            " * quit - closeing a session in remote mode\n\n"
 135            "\trrdtool quit\n\n";
 136
 137     char help_ls[] =
 138            " * ls - lists all *.rrd files in current directory\n\n"
 139            "\trrdtool ls\n\n";
 140
 141     char help_cd[] =
 142            " * cd - changes the current directory\n\n"
 143            "\trrdtool cd new direcotry\n\n";
 144
 145     char help_mkdir[] =
 146            " * mkdir - creates a new direcotry\n\n"
 147            "\trrdtool mkdir newdirecotryname\n\n";
 148
 149     char help_lic[] =
 150            "RRDtool is distributed under the Terms of the GNU General\n"
 151            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 152
 153            "For more information read the RRD manpages\n\n";
 154
 155     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST,
 156            C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
 157            C_QUIT, C_LS, C_CD, C_MKDIR };
 158
 159     int help_cmd = C_NONE;
 160
 161     if (cmd)
 162         {
 163             if (!strcmp(cmd,"create"))
 164                 help_cmd = C_CREATE;
 165             else if (!strcmp(cmd,"dump"))
 166                 help_cmd = C_DUMP;
 167             else if (!strcmp(cmd,"info"))
 168                 help_cmd = C_INFO;
 169             else if (!strcmp(cmd,"restore"))
 170                 help_cmd = C_RESTORE;
 171             else if (!strcmp(cmd,"last"))
 172                 help_cmd = C_LAST;
 173             else if (!strcmp(cmd,"update"))
 174                 help_cmd = C_UPDATE;
 175             else if (!strcmp(cmd,"fetch"))
 176                 help_cmd = C_FETCH;
 177             else if (!strcmp(cmd,"graph"))
 178                 help_cmd = C_GRAPH;
 179             else if (!strcmp(cmd,"tune"))
 180                 help_cmd = C_TUNE;
 181             else if (!strcmp(cmd,"resize"))
 182                 help_cmd = C_RESIZE;
 183             else if (!strcmp(cmd,"xport"))
 184                 help_cmd = C_XPORT;
 185             else if (!strcmp(cmd,"quit"))
 186                 help_cmd = C_QUIT;
 187             else if (!strcmp(cmd,"ls"))
 188                 help_cmd = C_LS;
 189             else if (!strcmp(cmd,"cd"))
 190                 help_cmd = C_CD;
 191             else if (!strcmp(cmd,"mkdir"))
 192                 help_cmd = C_MKDIR;
 193         }
 194     fputs(help_main, stdout);
 195     switch (help_cmd)
 196         {
 197             case C_NONE:
 198                 fputs(help_list, stdout);
 199                 if (RemoteMode){
 200                    fputs(help_listremote, stdout);
 201                 }
 202                 break;
 203             case C_CREATE:
 204                 fputs(help_create, stdout);
 205                 break;
 206             case C_DUMP:
 207                 fputs(help_dump, stdout);
 208                 break;
 209             case C_INFO:
 210                 fputs(help_info, stdout);
 211                 break;
 212             case C_RESTORE:
 213                 fputs(help_restore, stdout);
 214                 break;
 215             case C_LAST:
 216                 fputs(help_last, stdout);
 217                 break;
 218             case C_UPDATE:
 219                 fputs(help_update, stdout);
 220                 break;
 221             case C_FETCH:
 222                 fputs(help_fetch, stdout);
 223                 break;
 224             case C_GRAPH:
 225                 fputs(help_graph, stdout);
 226                 break;
 227             case C_TUNE:
 228                 fputs(help_tune, stdout);
 229                 break;
 230             case C_RESIZE:
 231                 fputs(help_resize, stdout);
 232                 break;
 233             case C_XPORT:
 234                 fputs(help_xport, stdout);
 235                 break;
 236             case C_QUIT:
 237                 fputs(help_quit, stdout);
 238                 break;
 239             case C_LS:
 240                 fputs(help_ls, stdout);
 241                 break;
 242             case C_CD:
 243                 fputs(help_cd, stdout);
 244                 break;
 245             case C_MKDIR:
 246                 fputs(help_mkdir, stdout);
 247                 break;
 248         }
 249     fputs(help_lic, stdout);
 250 }
 251
 252
 253 int main(int argc, char *argv[])
 254 {
 255     char **myargv;
 256     char aLine[MAX_LENGTH];
 257 #ifdef HAVE_CHROOT
 258     char *firstdir="";
 259 #endif
 260 #ifdef MUST_DISABLE_SIGFPE
 261     signal(SIGFPE,SIG_IGN);
 262 #endif
 263 #ifdef MUST_DISABLE_FPMASK
 264     fpsetmask(0);
 265 #endif
 266     if (argc == 1)
 267         {
 268             PrintUsage("");
 269             return 0;
 270         }
 271
 272     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 273         {
 274 #if HAVE_GETRUSAGE
 275           struct rusage  myusage;
 276           struct timeval starttime;
 277           struct timeval currenttime;
 278           struct timezone tz;
 279
 280             tz.tz_minuteswest =0;
 281             tz.tz_dsttime=0;
 282             gettimeofday(&starttime,&tz);
 283 #endif
 284           RemoteMode=1;
 285 #ifdef HAVE_CHROOT
 286           if ((argc == 3) && strcmp("",argv[2])){
 287              if (getuid()==0){
 288                 chroot(argv[2]);
 289                 if (errno!=0){
 290                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 291                            argv[2],errno);
 292                     exit(errno);
 293                 }
 294                 ChangeRoot=1;
 295                 firstdir="/";
 296              }
 297              else{
 298                 firstdir=argv[2];
 299              }
 300           }
 301           if (strcmp(firstdir,"")){
 302              chdir(firstdir);
 303              if (errno!=0){
 304                 fprintf(stderr,"ERROR: %s\n",strerror(errno));
 305                 exit(errno);
 306              }
 307           }
 308 #else
 309           fprintf(stderr,"ERROR: change root is not supported by your OS "
 310                          "or at least by this copy of rrdtool\n");
 311           exit(1);
 312 #endif
 313
 314             while (fgets(aLine, sizeof(aLine)-1, stdin)){
 315                 if ((argc = CountArgs(aLine)) == 0)  {
 316                     fprintf(stderr,"ERROR: not enough arguments\n");
 317                 }
 318                 if ((myargv = (char **) malloc((argc+1) *
 319                                                sizeof(char *))) == NULL)   {
 320                     perror("malloc");
 321                     return -1;
 322                 }
 323                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 324                     fprintf(stderr, "ERROR: creating arguments\n");
 325                     return -1;
 326                 }
 327
 328                 if (HandleInputLine(argc, myargv, stdout))
 329                     return -1;
 330                 free(myargv);
 331
 332 #if HAVE_GETRUSAGE
 333                 getrusage(RUSAGE_SELF,&myusage);
 334                 gettimeofday(&currenttime,&tz);
 335                 printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 336                        (double)myusage.ru_utime.tv_sec+
 337                        (double)myusage.ru_utime.tv_usec/1000000.0,
 338                        (double)myusage.ru_stime.tv_sec+
 339                        (double)myusage.ru_stime.tv_usec/1000000.0,
 340                        (double)(currenttime.tv_sec-starttime.tv_sec)
 341                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 342                        /1000000.0);
 343 #else
 344                 printf("OK\n");
 345 #endif
 346                 fflush(stdout); /* this is important for pipes to work */
 347             }
 348         }
 349     else if (argc == 2)
 350         {
 351                 PrintUsage(argv[1]);
 352                 exit(0);
 353         }
 354     else if (argc == 3 && !strcmp(argv[1],"help"))
 355         {
 356                 PrintUsage(argv[2]);
 357                 exit(0);
 358         }
 359     else
 360         HandleInputLine(argc, argv, stderr);
 361     return 0;
 362 }
 363
 364 /* HandleInputLine is NOT thread safe - due to readdir issues,
 365    resolving them portably is not really simple. */
 366 int HandleInputLine(int argc, char **argv, FILE* out)
 367 {
 368 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 369     DIR           *curdir; /* to read current dir with ls */
 370     struct dirent *dent;
 371 #endif
 372 #if defined(HAVE_SYS_STAT_H)
 373     struct stat   st;
 374 #endif
 375     optind=0; /* reset gnu getopt */
 376     opterr=0; /* no error messages */
 377
 378     if (RemoteMode){
 379        if (argc>1 && strcmp("quit", argv[1]) == 0){
 380           if (argc>2){
 381              printf("ERROR: invalid parameter count for quit\n");
 382              return(0);
 383           }
 384           exit(0);
 385        }
 386 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 387        if (argc>1 && strcmp("cd", argv[1]) == 0){
 388           if (argc>3){
 389              printf("ERROR: invalid parameter count for cd\n");
 390              return(0);
 391           }
 392 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 393           if (getuid()==0 && ! ChangeRoot){
 394              printf("ERROR: chdir security problem - rrdtool is runnig as "
 395                     "root an no chroot!\n");
 396              return(0);
 397           }
 398 #endif
 399           chdir(argv[2]);
 400           if (errno!=0){
 401              printf("ERROR: %s\n",strerror(errno));
 402           }
 403           return(0);
 404        }
 405        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 406           if (argc>3){
 407              printf("ERROR: invalid parameter count for mkdir\n");
 408              return(0);
 409           }
 410 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 411           if (getuid()==0 && ! ChangeRoot){
 412              printf("ERROR: mkdir security problem - rrdtool is runnig as "
 413                     "root an no chroot!\n");
 414              return(0);
 415           }
 416 #endif
 417           mkdir(argv[2],0777);
 418           if (errno!=0){
 419              printf("ERROR: %s\n",strerror(errno));
 420           }
 421           return(0);
 422        }
 423        if (argc>1 && strcmp("ls", argv[1]) == 0){
 424           if (argc>2){
 425              printf("ERROR: invalid parameter count for ls\n");
 426              return(0);
 427           }
 428           if ((curdir=opendir("."))!=NULL){
 429              while((dent=readdir(curdir))!=NULL){
 430                 if (!stat(dent->d_name,&st)){
 431                    if (S_ISDIR(st.st_mode)){
 432                       printf("d %s\n",dent->d_name);
 433                    }
 434                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 435                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 436                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 437                          printf("- %s\n",dent->d_name);
 438                       }
 439                    }
 440                 }
 441              }
 442           }
 443           else{
 444              printf("ERROR: %s\n",strerror(errno));
 445              return(errno);
 446           }
 447           return(0);
 448        }
 449 #endif /* opendir and readdir */
 450
 451     }
 452     if (argc < 3
 453         || strcmp("help", argv[1]) == 0
 454         || strcmp("--help", argv[1]) == 0
 455         || strcmp("-help", argv[1]) == 0
 456         || strcmp("-?", argv[1]) == 0
 457         || strcmp("-h", argv[1]) == 0 ) {
 458         PrintUsage("");
 459         return 0;
 460     }
 461
 462     if (strcmp("create", argv[1]) == 0)
 463         rrd_create(argc-1, &argv[1]);
 464     else if (strcmp("dump", argv[1]) == 0)
 465         rrd_dump(argc-1, &argv[1]);
 466     else if (strcmp("info", argv[1]) == 0){
 467         info_t *data,*save;
 468         data=rrd_info(argc-1, &argv[1]);
 469         while (data) {
 470             save=data;
 471             printf ("%s = ", data->key);
 472             free(data->key);
 473
 474             switch (data->type) {
 475             case RD_I_VAL:
 476                 if (isnan (data->value.u_val))
 477                     printf("NaN");
 478                 else
 479                     printf ("%0.10e", data->value.u_val);
 480                 break;
 481             case RD_I_CNT:
 482                 printf ("%lu", data->value.u_cnt);
 483                 break;
 484             case RD_I_STR:
 485                 printf ("\"%s\"", data->value.u_str);
 486                 free(data->value.u_str);
 487                 break;
 488             }
 489             data = data->next;
 490             free(save);
 491             printf ("\n");
 492         }
 493         free(data);
 494     }
 495
 496     else if (strcmp("--version", argv[1]) == 0 ||
 497              strcmp("version", argv[1]) == 0 ||
 498              strcmp("v", argv[1]) == 0 ||
 499              strcmp("-v", argv[1]) == 0  ||
 500              strcmp("-version", argv[1]) == 0  )
 501         printf("RRDtool 1.1.x  Copyright (C) 1997-2003 by Tobias Oetiker <tobi@oetiker.ch>\n");
 502     else if (strcmp("restore", argv[1]) == 0)
 503         rrd_restore(argc-1, &argv[1]);
 504     else if (strcmp("resize", argv[1]) == 0)
 505         rrd_resize(argc-1, &argv[1]);
 506     else if (strcmp("last", argv[1]) == 0)
 507         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 508     else if (strcmp("update", argv[1]) == 0)
 509         rrd_update(argc-1, &argv[1]);
 510     else if (strcmp("fetch", argv[1]) == 0) {
 511         time_t        start,end, ti;
 512         unsigned long step, ds_cnt,i,ii;
 513         rrd_value_t   *data,*datai;
 514         char          **ds_namv;
 515         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 516             datai=data;
 517             printf("           ");
 518             for (i = 0; i<ds_cnt;i++)
 519                 printf("%14s",ds_namv[i]);
 520             printf ("\n\n");
 521             for (ti = start+step; ti <= end; ti += step){
 522                 printf("%10lu:", ti);
 523                 for (ii = 0; ii < ds_cnt; ii++)
 524                     printf(" %0.10e", *(datai++));
 525                 printf("\n");
 526             }
 527             for (i=0;i<ds_cnt;i++)
 528                   free(ds_namv[i]);
 529             free(ds_namv);
 530             free (data);
 531         }
 532     } else if (strcmp("xport", argv[1]) == 0) {
 533         int xxsize;
 534         unsigned long int j = 0;
 535         time_t        start,end, ti;
 536         unsigned long step, col_cnt,row_cnt;
 537         rrd_value_t   *data,*ptr;
 538         char          **legend_v;
 539         if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 540           row_cnt = (end-start)/step;
 541           ptr = data;
 542           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 543           printf("<%s>\n", ROOT_TAG);
 544           printf("  <%s>\n", META_TAG);
 545           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 546           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 547           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 548           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 549           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 550           printf("    <%s>\n", LEGEND_TAG);
 551           for (j = 0; j < col_cnt; j++) {
 552             char *entry = NULL;
 553             entry = legend_v[j];
 554             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 555             free(entry);
 556           }
 557           free(legend_v);
 558           printf("    </%s>\n", LEGEND_TAG);
 559           printf("  </%s>\n", META_TAG);
 560           printf("  <%s>\n", DATA_TAG);
 561           for (ti = start+step; ti <= end; ti += step) {
 562             printf ("    <%s>", DATA_ROW_TAG);
 563             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 564             for (j = 0; j < col_cnt; j++) {
 565               rrd_value_t newval = DNAN;
 566               newval = *ptr;
 567               if(isnan(newval)){
 568                 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
 569               } else {
 570                 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
 571               };
 572               ptr++;
 573             }
 574             printf("</%s>\n", DATA_ROW_TAG);
 575           }
 576           free(data);
 577           printf("  </%s>\n", DATA_TAG);
 578           printf("</%s>\n", ROOT_TAG);
 579         }
 580     }
 581     else if (strcmp("graph", argv[1]) == 0) {
 582         char **calcpr;
 583         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 584         int xsize, ysize;
 585         int i;
 586         int tostdout = (strcmp(argv[2],"-") == 0);
 587         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize) != -1 ) {
 588             if (!tostdout)
 589                 printf ("%dx%d\n",xsize,ysize);
 590             if (calcpr) {
 591                 for(i=0;calcpr[i];i++){
 592                     if (!tostdout)
 593                         printf("%s\n",calcpr[i]);
 594                     free(calcpr[i]);
 595                 }
 596                 free(calcpr);
 597             }
 598         }
 599
 600     } else if (strcmp("tune", argv[1]) == 0)
 601                 rrd_tune(argc-1, &argv[1]);
 602     else {
 603                 rrd_set_error("unknown function '%s'",argv[1]);
 604     }
 605     if (rrd_test_error()) {
 606         fprintf(out, "ERROR: %s\n",rrd_get_error());
 607         rrd_clear_error();
 608     }
 609     return(0);
 610 }
 611
 612 int CountArgs(char *aLine)
 613 {
 614     int i=0;
 615     int aCount = 0;
 616     int inarg = 0;
 617     while (aLine[i] == ' ') i++;
 618     while (aLine[i] != 0){
 619         if((aLine[i]== ' ') && inarg){
 620             inarg = 0;
 621         }
 622         if((aLine[i]!= ' ') && ! inarg){
 623             inarg = 1;
 624             aCount++;
 625         }
 626         i++;
 627     }
 628     return aCount;
 629 }
 630
 631 /*
 632  * CreateArgs - take a string (aLine) and tokenize
 633  */
 634 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 635 {
 636     char        *getP, *putP;
 637     char        **pargv = argv;
 638     char        Quote = 0;
 639     int inArg = 0;
 640     int len;
 641
 642     len = strlen(aLine);
 643     /* remove trailing space and newlines */
 644     while (len && aLine[len] <= ' ') {
 645         aLine[len] = 0 ; len--;
 646     }
 647     /* sikp leading blanks */
 648     while (*aLine && *aLine <= ' ') aLine++;
 649
 650     pargv[0] = pName;
 651     argc = 1;
 652     getP = aLine;
 653     putP = aLine;
 654     while (*getP){
 655         switch (*getP) {
 656         case ' ':
 657             if (Quote){
 658                 *(putP++)=*getP;
 659             } else
 660                 if(inArg) {
 661                     *(putP++) = 0;
 662                     inArg = 0;
 663                 }
 664             break;
 665         case '"':
 666         case '\'':
 667             if (Quote != 0) {
 668                 if (Quote == *getP)
 669                     Quote = 0;
 670                 else {
 671                     *(putP++)=*getP;
 672                 }
 673             } else {
 674                 if(!inArg){
 675                     pargv[argc++] = putP;
 676                     inArg=1;
 677                 }
 678                 Quote = *getP;
 679             }
 680             break;
 681         default:
 682             if(!inArg){
 683                 pargv[argc++] = putP;
 684                 inArg=1;
 685             }
 686             *(putP++)=*getP;
 687             break;
 688         }
 689         getP++;
 690     }
 691
 692     *putP = '\0';
 693
 694     if (Quote)
 695         return -1;
 696     else
 697         return argc;
 698 }
 699
 700