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 1997-2001 by Tobias Oetiker <tobi@oetiker.ch>\n\n"
  26            "Usage: rrdtool [options] command command_options\n\n";
  27
  28     char help_list[] =
  29            "Valid commands: create, update, graph, dump, restore,\n"
  30            "\t\tlast, info, fetch, tune, resize, xport\n\n";
  31
  32     char help_listremote[] =
  33            "Valid remote commands: quit, ls, cd, mkdir\n\n";
  34
  35
  36     char help_create[] =
  37            "* create - create a new RRD\n\n"
  38            "\trrdtool create filename [--start|-b start time]\n"
  39            "\t\t[--step|-s step]\n"
  40            "\t\t[DS:ds-name:DST:dst arguments]\n"
  41            "\t\t[RRA:CF:cf arguments]\n\n";
  42
  43     char help_dump[] =
  44            "* dump - dump an RRD to XML\n\n"
  45            "\trrdtool dump filename.rrd >filename.xml\n\n";
  46
  47     char help_info[] =
  48            "* info - returns the configuration and status of the RRD\n\n"
  49            "\trrdtool info filename.rrd\n\n";
  50
  51     char help_restore[] =
  52            "* restore - restore an RRD file from its XML form\n\n"
  53            "\trrdtool restore [--range-check|-r] filename.xml filename.rrd\n\n";
  54
  55     char help_last[] =
  56            "* last - show last update time for RRD\n\n"
  57            "\trrdtool last filename.rrd\n\n";
  58
  59     char help_update[] =
  60            "* update - update an RRD\n\n"
  61            "\trrdtool update filename\n"
  62            "\t\t--template|-t ds-name:ds-name:...\n"
  63            "\t\ttime|N:value[:value...]\n\n"
  64            "\t\tat-time@value[:value...]\n\n"
  65            "\t\t[ time:value[:value...] ..]\n\n";
  66
  67     char help_fetch[] =
  68            "* fetch - fetch data out of an RRD\n\n"
  69            "\trrdtool fetch filename.rrd CF\n"
  70            "\t\t[--resolution|-r resolution]\n"
  71            "\t\t[--start|-s start] [--end|-e end]\n\n";
  72
  73     char help_graph[] =
  74            "* graph - generate a graph from one or several RRD\n\n"
  75            "\trrdtool graph filename [-s|--start seconds] [-e|--end seconds]\n"
  76            "\t\t[-x|--x-grid x-axis grid and label]\n"
  77            "\t\t[--alt-y-grid]\n"
  78            "\t\t[-y|--y-grid y-axis grid and label]\n"
  79            "\t\t[-v|--vertical-label string] [-w|--width pixels]\n"
  80            "\t\t[-h|--height pixels] [-o|--logarithmic]\n"
  81            "\t\t[-u|--upper-limit value] [-z|--lazy]\n"
  82            "\t\t[-l|--lower-limit value] [-r|--rigid]\n"
  83            "\t\t[-g|--no-legend]\n"
  84            "\t\t[--font FONTTAG:size:font]\n"
  85            "\t\t[--zoom factor]\n"
  86            "\t\t[--alt-autoscale]\n"
  87            "\t\t[--alt-autoscale-max]\n"
  88            "\t\t[--units-exponent value]\n"
  89            "\t\t[--step seconds]\n"
  90            "\t\t[-f|--imginfo printfstr]\n"
  91            "\t\t[-a|--imgformat PNG]\n"
  92            "\t\t[-c|--color COLORTAG#rrggbb[aa]] [-t|--title string]\n"
  93            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
  94            "\t\t[CDEF:vname=rpn-expression]\n"
  95            "\t\t[PRINT:vname:CF:format]\n"
  96            "\t\t[GPRINT:vname:CF:format]\n"
  97            "\t\t[HRULE:value#rrggbb[aa][:legend]]\n"
  98            "\t\t[VRULE:value#rrggbb[aa][:legend]]\n"
  99            "\t\t[LINE{1|2|3}:vname[#rrggbb[aa][:legend]]]\n"
 100            "\t\t[AREA:vname[#rrggbb[aa][:legend]]]\n"
 101            "\t\t[STACK:vname[#rrggbb[aa][:legend]]]\n\n";
 102
 103     char help_tune[] =
 104            " * tune -  Modify some basic properties of an RRD\n\n"
 105            "\trrdtool tune filename\n"
 106            "\t\t[--heartbeat|-h ds-name:heartbeat]\n"
 107            "\t\t[--data-source-type|-d ds-name:DST]\n"
 108            "\t\t[--data-source-rename|-r old-name:new-name]\n"
 109            "\t\t[--minimum|-i ds-name:min] [--maximum|-a ds-name:max]\n"
 110            "\t\t[--deltapos scale-value] [--deltaneg scale-value]\n"
 111            "\t\t[--failure-threshold integer]\n"
 112            "\t\t[--window-length integer]\n"
 113            "\t\t[--alpha adaptation-parameter]\n"
 114            "\t\t[--beta adaptation-parameter]\n"
 115            "\t\t[--gamma adaptation-parameter]\n"
 116            "\t\t[--gamma-deviation adaptation-parameter]\n"
 117            "\t\t[--aberrant-reset ds-name]\n\n";
 118
 119     char help_resize[] =
 120            " * resize - alter the lenght of one of the RRAs in an RRD\n\n"
 121            "\trrdtool resize filename rranum GROW|SHRINK rows\n\n";
 122
 123     char help_xport[] =
 124            "* xport - generate XML dump from one or several RRD\n\n"
 125            "\trrdtool xport [-s|--start seconds] [-e|--end seconds]\n"
 126            "\t\t[-m|--maxrows rows]\n"
 127            "\t\t[--step seconds]\n"
 128            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
 129            "\t\t[CDEF:vname=rpn-expression]\n"
 130            "\t\t[XPORT:vname:legend]\n\n";
 131
 132     char help_quit[] =
 133            " * quit - closeing a session in remote mode\n\n"
 134            "\trrdtool quit\n\n";
 135
 136     char help_ls[] =
 137            " * ls - lists all *.rrd files in current directory\n\n"
 138            "\trrdtool ls\n\n";
 139
 140     char help_cd[] =
 141            " * cd - changes the current directory\n\n"
 142            "\trrdtool cd new direcotry\n\n";
 143
 144     char help_mkdir[] =
 145            " * mkdir - creates a new direcotry\n\n"
 146            "\trrdtool mkdir newdirecotryname\n\n";
 147
 148     char help_lic[] =
 149            "RRDtool is distributed under the Terms of the GNU General\n"
 150            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 151
 152            "For more information read the RRD manpages\n\n";
 153
 154     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST,
 155            C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
 156            C_QUIT, C_LS, C_CD, C_MKDIR };
 157
 158     int help_cmd = C_NONE;
 159
 160     if (cmd)
 161         {
 162             if (!strcmp(cmd,"create"))
 163                 help_cmd = C_CREATE;
 164             else if (!strcmp(cmd,"dump"))
 165                 help_cmd = C_DUMP;
 166             else if (!strcmp(cmd,"info"))
 167                 help_cmd = C_INFO;
 168             else if (!strcmp(cmd,"restore"))
 169                 help_cmd = C_RESTORE;
 170             else if (!strcmp(cmd,"last"))
 171                 help_cmd = C_LAST;
 172             else if (!strcmp(cmd,"update"))
 173                 help_cmd = C_UPDATE;
 174             else if (!strcmp(cmd,"fetch"))
 175                 help_cmd = C_FETCH;
 176             else if (!strcmp(cmd,"graph"))
 177                 help_cmd = C_GRAPH;
 178             else if (!strcmp(cmd,"tune"))
 179                 help_cmd = C_TUNE;
 180             else if (!strcmp(cmd,"resize"))
 181                 help_cmd = C_RESIZE;
 182             else if (!strcmp(cmd,"xport"))
 183                 help_cmd = C_XPORT;
 184             else if (!strcmp(cmd,"quit"))
 185                 help_cmd = C_QUIT;
 186             else if (!strcmp(cmd,"ls"))
 187                 help_cmd = C_LS;
 188             else if (!strcmp(cmd,"cd"))
 189                 help_cmd = C_CD;
 190             else if (!strcmp(cmd,"mkdir"))
 191                 help_cmd = C_MKDIR;
 192         }
 193     fputs(help_main, stdout);
 194     switch (help_cmd)
 195         {
 196             case C_NONE:
 197                 fputs(help_list, stdout);
 198                 if (RemoteMode){
 199                    fputs(help_listremote, stdout);
 200                 }
 201                 break;
 202             case C_CREATE:
 203                 fputs(help_create, stdout);
 204                 break;
 205             case C_DUMP:
 206                 fputs(help_dump, stdout);
 207                 break;
 208             case C_INFO:
 209                 fputs(help_info, stdout);
 210                 break;
 211             case C_RESTORE:
 212                 fputs(help_restore, stdout);
 213                 break;
 214             case C_LAST:
 215                 fputs(help_last, stdout);
 216                 break;
 217             case C_UPDATE:
 218                 fputs(help_update, stdout);
 219                 break;
 220             case C_FETCH:
 221                 fputs(help_fetch, stdout);
 222                 break;
 223             case C_GRAPH:
 224                 fputs(help_graph, stdout);
 225                 break;
 226             case C_TUNE:
 227                 fputs(help_tune, stdout);
 228                 break;
 229             case C_RESIZE:
 230                 fputs(help_resize, stdout);
 231                 break;
 232             case C_XPORT:
 233                 fputs(help_xport, stdout);
 234                 break;
 235             case C_QUIT:
 236                 fputs(help_quit, stdout);
 237                 break;
 238             case C_LS:
 239                 fputs(help_ls, stdout);
 240                 break;
 241             case C_CD:
 242                 fputs(help_cd, stdout);
 243                 break;
 244             case C_MKDIR:
 245                 fputs(help_mkdir, stdout);
 246                 break;
 247         }
 248     fputs(help_lic, stdout);
 249 }
 250
 251
 252 int main(int argc, char *argv[])
 253 {
 254     char **myargv;
 255     char aLine[MAX_LENGTH];
 256 #ifdef HAVE_CHROOT
 257     char *firstdir="";
 258 #endif
 259 #ifdef MUST_DISABLE_SIGFPE
 260     signal(SIGFPE,SIG_IGN);
 261 #endif
 262 #ifdef MUST_DISABLE_FPMASK
 263     fpsetmask(0);
 264 #endif
 265     if (argc == 1)
 266         {
 267             PrintUsage("");
 268             return 0;
 269         }
 270
 271     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 272         {
 273 #if HAVE_GETRUSAGE
 274           struct rusage  myusage;
 275           struct timeval starttime;
 276           struct timeval currenttime;
 277           struct timezone tz;
 278
 279             tz.tz_minuteswest =0;
 280             tz.tz_dsttime=0;
 281             gettimeofday(&starttime,&tz);
 282 #endif
 283           RemoteMode=1;
 284 #ifdef HAVE_CHROOT
 285           if ((argc == 3) && strcmp("",argv[2])){
 286              if (getuid()==0){
 287                 chroot(argv[2]);
 288                 if (errno!=0){
 289                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 290                            argv[2],errno);
 291                     exit(errno);
 292                 }
 293                 ChangeRoot=1;
 294                 firstdir="/";
 295              }
 296              else{
 297                 firstdir=argv[2];
 298              }
 299           }
 300           if (strcmp(firstdir,"")){
 301              chdir(firstdir);
 302              if (errno!=0){
 303                 fprintf(stderr,"ERROR: %s\n",strerror(errno));
 304                 exit(errno);
 305              }
 306           }
 307 #else
 308           fprintf(stderr,"ERROR: change root is not supported by your OS "
 309                          "or at least by this copy of rrdtool\n");
 310           exit(1);
 311 #endif
 312
 313             while (fgets(aLine, sizeof(aLine)-1, stdin)){
 314                 if ((argc = CountArgs(aLine)) == 0)  {
 315                     fprintf(stderr,"ERROR: not enough arguments\n");
 316                 }
 317                 if ((myargv = (char **) malloc((argc+1) *
 318                                                sizeof(char *))) == NULL)   {
 319                     perror("malloc");
 320                     return -1;
 321                 }
 322                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 323                     fprintf(stderr, "ERROR: creating arguments\n");
 324                     return -1;
 325                 }
 326
 327                 if (HandleInputLine(argc, myargv, stdout))
 328                     return -1;
 329                 free(myargv);
 330
 331 #if HAVE_GETRUSAGE
 332                 getrusage(RUSAGE_SELF,&myusage);
 333                 gettimeofday(&currenttime,&tz);
 334                 printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 335                        (double)myusage.ru_utime.tv_sec+
 336                        (double)myusage.ru_utime.tv_usec/1000000.0,
 337                        (double)myusage.ru_stime.tv_sec+
 338                        (double)myusage.ru_stime.tv_usec/1000000.0,
 339                        (double)(currenttime.tv_sec-starttime.tv_sec)
 340                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 341                        /1000000.0);
 342 #else
 343                 printf("OK\n");
 344 #endif
 345                 fflush(stdout); /* this is important for pipes to work */
 346             }
 347         }
 348     else if (argc == 2)
 349         {
 350                 PrintUsage(argv[1]);
 351                 exit(0);
 352         }
 353     else if (argc == 3 && !strcmp(argv[1],"help"))
 354         {
 355                 PrintUsage(argv[2]);
 356                 exit(0);
 357         }
 358     else
 359         HandleInputLine(argc, argv, stderr);
 360     return 0;
 361 }
 362
 363 /* HandleInputLine is NOT thread safe - due to readdir issues,
 364    resolving them portably is not really simple. */
 365 int HandleInputLine(int argc, char **argv, FILE* out)
 366 {
 367 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 368     DIR           *curdir; /* to read current dir with ls */
 369     struct dirent *dent;
 370 #endif
 371 #if defined(HAVE_SYS_STAT_H)
 372     struct stat   st;
 373 #endif
 374     optind=0; /* reset gnu getopt */
 375     opterr=0; /* no error messages */
 376
 377     if (RemoteMode){
 378        if (argc>1 && strcmp("quit", argv[1]) == 0){
 379           if (argc>2){
 380              printf("ERROR: invalid parameter count for quit\n");
 381              return(0);
 382           }
 383           exit(0);
 384        }
 385 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 386        if (argc>1 && strcmp("cd", argv[1]) == 0){
 387           if (argc>3){
 388              printf("ERROR: invalid parameter count for cd\n");
 389              return(0);
 390           }
 391 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 392           if (getuid()==0 && ! ChangeRoot){
 393              printf("ERROR: chdir security problem - rrdtool is runnig as "
 394                     "root an no chroot!\n");
 395              return(0);
 396           }
 397 #endif
 398           chdir(argv[2]);
 399           if (errno!=0){
 400              printf("ERROR: %s\n",strerror(errno));
 401           }
 402           return(0);
 403        }
 404        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 405           if (argc>3){
 406              printf("ERROR: invalid parameter count for mkdir\n");
 407              return(0);
 408           }
 409 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 410           if (getuid()==0 && ! ChangeRoot){
 411              printf("ERROR: mkdir security problem - rrdtool is runnig as "
 412                     "root an no chroot!\n");
 413              return(0);
 414           }
 415 #endif
 416           mkdir(argv[2],0777);
 417           if (errno!=0){
 418              printf("ERROR: %s\n",strerror(errno));
 419           }
 420           return(0);
 421        }
 422        if (argc>1 && strcmp("ls", argv[1]) == 0){
 423           if (argc>2){
 424              printf("ERROR: invalid parameter count for ls\n");
 425              return(0);
 426           }
 427           if ((curdir=opendir("."))!=NULL){
 428              while((dent=readdir(curdir))!=NULL){
 429                 if (!stat(dent->d_name,&st)){
 430                    if (S_ISDIR(st.st_mode)){
 431                       printf("d %s\n",dent->d_name);
 432                    }
 433                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 434                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 435                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 436                          printf("- %s\n",dent->d_name);
 437                       }
 438                    }
 439                 }
 440              }
 441           }
 442           else{
 443              printf("ERROR: %s\n",strerror(errno));
 444              return(errno);
 445           }
 446           return(0);
 447        }
 448 #endif /* opendir and readdir */
 449
 450     }
 451     if (argc < 3
 452         || strcmp("help", argv[1]) == 0
 453         || strcmp("--help", argv[1]) == 0
 454         || strcmp("-help", argv[1]) == 0
 455         || strcmp("-?", argv[1]) == 0
 456         || strcmp("-h", argv[1]) == 0 ) {
 457         PrintUsage("");
 458         return 0;
 459     }
 460
 461     if (strcmp("create", argv[1]) == 0)
 462         rrd_create(argc-1, &argv[1]);
 463     else if (strcmp("dump", argv[1]) == 0)
 464         rrd_dump(argc-1, &argv[1]);
 465     else if (strcmp("info", argv[1]) == 0){
 466         info_t *data,*save;
 467         data=rrd_info(argc-1, &argv[1]);
 468         while (data) {
 469             save=data;
 470             printf ("%s = ", data->key);
 471             free(data->key);
 472
 473             switch (data->type) {
 474             case RD_I_VAL:
 475                 if (isnan (data->value.u_val))
 476                     printf("NaN");
 477                 else
 478                     printf ("%0.10e", data->value.u_val);
 479                 break;
 480             case RD_I_CNT:
 481                 printf ("%lu", data->value.u_cnt);
 482                 break;
 483             case RD_I_STR:
 484                 printf ("\"%s\"", data->value.u_str);
 485                 free(data->value.u_str);
 486                 break;
 487             }
 488             data = data->next;
 489             free(save);
 490             printf ("\n");
 491         }
 492         free(data);
 493     }
 494
 495     else if (strcmp("--version", argv[1]) == 0 ||
 496              strcmp("version", argv[1]) == 0 ||
 497              strcmp("v", argv[1]) == 0 ||
 498              strcmp("-v", argv[1]) == 0  ||
 499              strcmp("-version", argv[1]) == 0  )
 500         printf("RRDtool 1.1.x  Copyright (C) 1997-2001 by Tobias Oetiker <tobi@oetiker.ch>\n");
 501     else if (strcmp("restore", argv[1]) == 0)
 502         rrd_restore(argc-1, &argv[1]);
 503     else if (strcmp("resize", argv[1]) == 0)
 504         rrd_resize(argc-1, &argv[1]);
 505     else if (strcmp("last", argv[1]) == 0)
 506         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 507     else if (strcmp("update", argv[1]) == 0)
 508         rrd_update(argc-1, &argv[1]);
 509     else if (strcmp("fetch", argv[1]) == 0) {
 510         time_t        start,end, ti;
 511         unsigned long step, ds_cnt,i,ii;
 512         rrd_value_t   *data,*datai;
 513         char          **ds_namv;
 514         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 515             datai=data;
 516             printf("           ");
 517             for (i = 0; i<ds_cnt;i++)
 518                 printf("%14s",ds_namv[i]);
 519             printf ("\n\n");
 520             for (ti = start+step; ti <= end; ti += step){
 521                 printf("%10lu:", ti);
 522                 for (ii = 0; ii < ds_cnt; ii++)
 523                     printf(" %0.10e", *(datai++));
 524                 printf("\n");
 525             }
 526             for (i=0;i<ds_cnt;i++)
 527                   free(ds_namv[i]);
 528             free(ds_namv);
 529             free (data);
 530         }
 531     } else if (strcmp("xport", argv[1]) == 0) {
 532         int xxsize;
 533         unsigned long int j = 0;
 534         time_t        start,end, ti;
 535         unsigned long step, col_cnt,row_cnt;
 536         rrd_value_t   *data,*ptr;
 537         char          **legend_v;
 538         if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 539           row_cnt = (end-start)/step;
 540           ptr = data;
 541           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 542           printf("<%s>\n", ROOT_TAG);
 543           printf("  <%s>\n", META_TAG);
 544           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 545           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 546           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 547           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 548           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 549           printf("    <%s>\n", LEGEND_TAG);
 550           for (j = 0; j < col_cnt; j++) {
 551             char *entry = NULL;
 552             entry = legend_v[j];
 553             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 554             free(entry);
 555           }
 556           free(legend_v);
 557           printf("    </%s>\n", LEGEND_TAG);
 558           printf("  </%s>\n", META_TAG);
 559           printf("  <%s>\n", DATA_TAG);
 560           for (ti = start+step; ti <= end; ti += step) {
 561             printf ("    <%s>", DATA_ROW_TAG);
 562             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 563             for (j = 0; j < col_cnt; j++) {
 564               rrd_value_t newval = DNAN;
 565               newval = *ptr;
 566               if(isnan(newval)){
 567                 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
 568               } else {
 569                 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
 570               };
 571               ptr++;
 572             }
 573             printf("</%s>\n", DATA_ROW_TAG);
 574           }
 575           free(data);
 576           printf("  </%s>\n", DATA_TAG);
 577           printf("</%s>\n", ROOT_TAG);
 578         }
 579     }
 580     else if (strcmp("graph", argv[1]) == 0) {
 581         char **calcpr;
 582         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 583         int xsize, ysize;
 584         int i;
 585         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize) != -1 ) {
 586             if (strcmp(imgfile,"-") != 0)
 587                 printf ("%dx%d\n",xsize,ysize);
 588             if (calcpr) {
 589                 for(i=0;calcpr[i];i++){
 590                     if (strcmp(imgfile,"-") != 0)
 591                         printf("%s\n",calcpr[i]);
 592                     free(calcpr[i]);
 593                 }
 594                 free(calcpr);
 595             }
 596         }
 597
 598     } else if (strcmp("tune", argv[1]) == 0)
 599                 rrd_tune(argc-1, &argv[1]);
 600     else {
 601                 rrd_set_error("unknown function '%s'",argv[1]);
 602     }
 603     if (rrd_test_error()) {
 604         fprintf(out, "ERROR: %s\n",rrd_get_error());
 605         rrd_clear_error();
 606     }
 607     return(0);
 608 }
 609
 610 int CountArgs(char *aLine)
 611 {
 612     int i=0;
 613     int aCount = 0;
 614     int inarg = 0;
 615     while (aLine[i] == ' ') i++;
 616     while (aLine[i] != 0){
 617         if((aLine[i]== ' ') && inarg){
 618             inarg = 0;
 619         }
 620         if((aLine[i]!= ' ') && ! inarg){
 621             inarg = 1;
 622             aCount++;
 623         }
 624         i++;
 625     }
 626     return aCount;
 627 }
 628
 629 /*
 630  * CreateArgs - take a string (aLine) and tokenize
 631  */
 632 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 633 {
 634     char        *getP, *putP;
 635     char        **pargv = argv;
 636     char        Quote = 0;
 637     int inArg = 0;
 638     int len;
 639
 640     len = strlen(aLine);
 641     /* remove trailing space and newlines */
 642     while (len && aLine[len] <= ' ') {
 643         aLine[len] = 0 ; len--;
 644     }
 645     /* sikp leading blanks */
 646     while (*aLine && *aLine <= ' ') aLine++;
 647
 648     pargv[0] = pName;
 649     argc = 1;
 650     getP = aLine;
 651     putP = aLine;
 652     while (*getP){
 653         switch (*getP) {
 654         case ' ':
 655             if (Quote){
 656                 *(putP++)=*getP;
 657             } else
 658                 if(inArg) {
 659                     *(putP++) = 0;
 660                     inArg = 0;
 661                 }
 662             break;
 663         case '"':
 664         case '\'':
 665             if (Quote != 0) {
 666                 if (Quote == *getP)
 667                     Quote = 0;
 668                 else {
 669                     *(putP++)=*getP;
 670                 }
 671             } else {
 672                 if(!inArg){
 673                     pargv[argc++] = putP;
 674                     inArg=1;
 675                 }
 676                 Quote = *getP;
 677             }
 678             break;
 679         default:
 680             if(!inArg){
 681                 pargv[argc++] = putP;
 682                 inArg=1;
 683             }
 684             *(putP++)=*getP;
 685             break;
 686         }
 687         getP++;
 688     }
 689
 690     *putP = '\0';
 691
 692     if (Quote)
 693         return -1;
 694     else
 695         return argc;
 696 }
 697
 698