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     char *firstdir="";
 257 #ifdef MUST_DISABLE_SIGFPE
 258     signal(SIGFPE,SIG_IGN);
 259 #endif
 260 #ifdef MUST_DISABLE_FPMASK
 261     fpsetmask(0);
 262 #endif
 263     if (argc == 1)
 264         {
 265             PrintUsage("");
 266             return 0;
 267         }
 268
 269     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 270         {
 271 #if HAVE_GETRUSAGE
 272           struct rusage  myusage;
 273           struct timeval starttime;
 274           struct timeval currenttime;
 275           struct timezone tz;
 276
 277             tz.tz_minuteswest =0;
 278             tz.tz_dsttime=0;
 279             gettimeofday(&starttime,&tz);
 280 #endif
 281           RemoteMode=1;
 282 #ifndef WIN32
 283           if ((argc == 3) && strcmp("",argv[2])){
 284              if (getuid()==0){
 285                 chroot(argv[2]);
 286                 if (errno!=0){
 287                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 288                            argv[2],errno);
 289                     exit(errno);
 290                 }
 291                 ChangeRoot=1;
 292                 firstdir="/";
 293              }
 294              else{
 295                 firstdir=argv[2];
 296              }
 297           }
 298           if (strcmp(firstdir,"")){
 299              chdir(firstdir);
 300              if (errno!=0){
 301                 fprintf(stderr,"ERROR: %s\n",strerror(errno));
 302                 exit(errno);
 303              }
 304           }
 305 #else
 306           fprintf(stderr,"ERROR: change root only in unix "
 307                          "enviroment posible\n");
 308           exit(1);
 309 #endif
 310
 311             while (fgets(aLine, sizeof(aLine)-1, stdin)){
 312                 if ((argc = CountArgs(aLine)) == 0)  {
 313                     fprintf(stderr,"ERROR: not enough arguments\n");
 314                 }
 315                 if ((myargv = (char **) malloc((argc+1) *
 316                                                sizeof(char *))) == NULL)   {
 317                     perror("malloc");
 318                     return -1;
 319                 }
 320                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 321                     fprintf(stderr, "ERROR: creating arguments\n");
 322                     return -1;
 323                 }
 324
 325                 if (HandleInputLine(argc, myargv, stdout))
 326                     return -1;
 327                 free(myargv);
 328
 329 #if HAVE_GETRUSAGE
 330                 getrusage(RUSAGE_SELF,&myusage);
 331                 gettimeofday(&currenttime,&tz);
 332                 printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 333                        (double)myusage.ru_utime.tv_sec+
 334                        (double)myusage.ru_utime.tv_usec/1000000.0,
 335                        (double)myusage.ru_stime.tv_sec+
 336                        (double)myusage.ru_stime.tv_usec/1000000.0,
 337                        (double)(currenttime.tv_sec-starttime.tv_sec)
 338                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 339                        /1000000.0);
 340 #else
 341                 printf("OK\n");
 342 #endif
 343                 fflush(stdout); /* this is important for pipes to work */
 344             }
 345         }
 346     else if (argc == 2)
 347         {
 348                 PrintUsage(argv[1]);
 349                 exit(0);
 350         }
 351     else if (argc == 3 && !strcmp(argv[1],"help"))
 352         {
 353                 PrintUsage(argv[2]);
 354                 exit(0);
 355         }
 356     else
 357         HandleInputLine(argc, argv, stderr);
 358     return 0;
 359 }
 360
 361 int HandleInputLine(int argc, char **argv, FILE* out)
 362 {
 363     DIR           *curdir; /* to read current dir with ls */
 364     struct dirent *dent;
 365     struct stat   st;
 366     optind=0; /* reset gnu getopt */
 367     opterr=0; /* no error messages */
 368
 369     if (RemoteMode){
 370        if (argc>1 && strcmp("quit", argv[1]) == 0){
 371           if (argc>2){
 372              printf("ERROR: invalid parameter count for quit\n");
 373              return(0);
 374           }
 375           exit(0);
 376        }
 377        if (argc>1 && strcmp("cd", argv[1]) == 0){
 378           if (argc>3){
 379              printf("ERROR: invalid parameter count for cd\n");
 380              return(0);
 381           }
 382 #ifndef WIN32
 383           if (getuid()==0 && ! ChangeRoot){
 384              printf("ERROR: chdir security problem - rrdtool is runnig as "
 385                     "root an no chroot!\n");
 386              return(0);
 387           }
 388 #endif
 389           chdir(argv[2]);
 390           if (errno!=0){
 391              printf("ERROR: %s\n",strerror(errno));
 392           }
 393           return(0);
 394        }
 395        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 396           if (argc>3){
 397              printf("ERROR: invalid parameter count for mkdir\n");
 398              return(0);
 399           }
 400 #ifndef WIN32
 401           if (getuid()==0 && ! ChangeRoot){
 402              printf("ERROR: mkdir security problem - rrdtool is runnig as "
 403                     "root an no chroot!\n");
 404              return(0);
 405           }
 406 #endif
 407           mkdir(argv[2],0777);
 408           if (errno!=0){
 409              printf("ERROR: %s\n",strerror(errno));
 410           }
 411           return(0);
 412        }
 413        if (argc>1 && strcmp("ls", argv[1]) == 0){
 414           if (argc>2){
 415              printf("ERROR: invalid parameter count for ls\n");
 416              return(0);
 417           }
 418           if ((curdir=opendir("."))!=NULL){
 419              while((dent=readdir(curdir))!=NULL){
 420                 if (!stat(dent->d_name,&st)){
 421                    if (S_ISDIR(st.st_mode)){
 422                       printf("d %s\n",dent->d_name);
 423                    }
 424                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 425                       if (!strcmp(dent->d_name+strlen(dent->d_name)-4,".rrd") ||
 426                           !strcmp(dent->d_name+strlen(dent->d_name)-4,".RRD")){
 427                          printf("- %s\n",dent->d_name);
 428                       }
 429                    }
 430                 }
 431              }
 432           }
 433           else{
 434              printf("ERROR: %s\n",strerror(errno));
 435              return(errno);
 436           }
 437           return(0);
 438        }
 439     }
 440     if (argc < 3
 441         || strcmp("help", argv[1]) == 0
 442         || strcmp("--help", argv[1]) == 0
 443         || strcmp("-help", argv[1]) == 0
 444         || strcmp("-?", argv[1]) == 0
 445         || strcmp("-h", argv[1]) == 0 ) {
 446         PrintUsage("");
 447         return 0;
 448     }
 449
 450     if (strcmp("create", argv[1]) == 0)
 451         rrd_create(argc-1, &argv[1]);
 452     else if (strcmp("dump", argv[1]) == 0)
 453         rrd_dump(argc-1, &argv[1]);
 454     else if (strcmp("info", argv[1]) == 0){
 455         info_t *data,*save;
 456         data=rrd_info(argc-1, &argv[1]);
 457         while (data) {
 458             save=data;
 459             printf ("%s = ", data->key);
 460             free(data->key);
 461
 462             switch (data->type) {
 463             case RD_I_VAL:
 464                 if (isnan (data->value.u_val))
 465                     printf("NaN");
 466                 else
 467                     printf ("%0.10e", data->value.u_val);
 468                 break;
 469             case RD_I_CNT:
 470                 printf ("%lu", data->value.u_cnt);
 471                 break;
 472             case RD_I_STR:
 473                 printf ("\"%s\"", data->value.u_str);
 474                 free(data->value.u_str);
 475                 break;
 476             }
 477             data = data->next;
 478             free(save);
 479             printf ("\n");
 480         }
 481         free(data);
 482     }
 483
 484     else if (strcmp("--version", argv[1]) == 0 ||
 485              strcmp("version", argv[1]) == 0 ||
 486              strcmp("v", argv[1]) == 0 ||
 487              strcmp("-v", argv[1]) == 0  ||
 488              strcmp("-version", argv[1]) == 0  )
 489         printf("RRDtool 1.1.x  Copyright (C) 1997-2001 by Tobias Oetiker <tobi@oetiker.ch>\n");
 490     else if (strcmp("restore", argv[1]) == 0)
 491         rrd_restore(argc-1, &argv[1]);
 492     else if (strcmp("resize", argv[1]) == 0)
 493         rrd_resize(argc-1, &argv[1]);
 494     else if (strcmp("last", argv[1]) == 0)
 495         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 496     else if (strcmp("update", argv[1]) == 0)
 497         rrd_update(argc-1, &argv[1]);
 498     else if (strcmp("fetch", argv[1]) == 0) {
 499         time_t        start,end;
 500         unsigned long step, ds_cnt,i,ii;
 501         rrd_value_t   *data,*datai;
 502         char          **ds_namv;
 503         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 504             datai=data;
 505             printf("           ");
 506             for (i = 0; i<ds_cnt;i++)
 507                 printf("%14s",ds_namv[i]);
 508             printf ("\n\n");
 509             for (i = start+step; i <= end; i += step){
 510                 printf("%10lu:", i);
 511                 for (ii = 0; ii < ds_cnt; ii++)
 512                     printf(" %0.10e", *(datai++));
 513                 printf("\n");
 514             }
 515             for (i=0;i<ds_cnt;i++)
 516                   free(ds_namv[i]);
 517             free(ds_namv);
 518             free (data);
 519         }
 520     } else if (strcmp("xport", argv[1]) == 0) {
 521         int xxsize;
 522         int i = 0, j = 0;
 523         time_t        start,end;
 524         unsigned long step, col_cnt,row_cnt;
 525         rrd_value_t   *data,*ptr;
 526         char          **legend_v;
 527         if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 528           row_cnt = (end-start)/step;
 529           ptr = data;
 530           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 531           printf("<%s>\n", ROOT_TAG);
 532           printf("  <%s>\n", META_TAG);
 533           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 534           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 535           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 536           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 537           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 538           printf("    <%s>\n", LEGEND_TAG);
 539           for (j = 0; j < col_cnt; j++) {
 540             char *entry = NULL;
 541             entry = legend_v[j];
 542             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 543             free(entry);
 544           }
 545           free(legend_v);
 546           printf("    </%s>\n", LEGEND_TAG);
 547           printf("  </%s>\n", META_TAG);
 548           printf("  <%s>\n", DATA_TAG);
 549           for (i = start+step; i <= end; i += step) {
 550             printf ("    <%s>", DATA_ROW_TAG);
 551             printf ("<%s>%lu</%s>", COL_TIME_TAG, i, COL_TIME_TAG);
 552             for (j = 0; j < col_cnt; j++) {
 553               rrd_value_t newval = DNAN;
 554               newval = *ptr;
 555               if(isnan(newval)){
 556                 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
 557               } else {
 558                 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
 559               };
 560               ptr++;
 561             }
 562             printf("</%s>\n", DATA_ROW_TAG);
 563           }
 564           free(data);
 565           printf("  </%s>\n", DATA_TAG);
 566           printf("</%s>\n", ROOT_TAG);
 567         }
 568     }
 569     else if (strcmp("graph", argv[1]) == 0) {
 570         char **calcpr;
 571         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 572         int xsize, ysize;
 573         int i;
 574         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize) != -1 ) {
 575             if (strcmp(imgfile,"-") != 0)
 576                 printf ("%dx%d\n",xsize,ysize);
 577             if (calcpr) {
 578                 for(i=0;calcpr[i];i++){
 579                     if (strcmp(imgfile,"-") != 0)
 580                         printf("%s\n",calcpr[i]);
 581                     free(calcpr[i]);
 582                 }
 583                 free(calcpr);
 584             }
 585         }
 586
 587     } else if (strcmp("tune", argv[1]) == 0)
 588                 rrd_tune(argc-1, &argv[1]);
 589     else {
 590                 rrd_set_error("unknown function '%s'",argv[1]);
 591     }
 592     if (rrd_test_error()) {
 593         fprintf(out, "ERROR: %s\n",rrd_get_error());
 594         rrd_clear_error();
 595     }
 596     return(0);
 597 }
 598
 599 int CountArgs(char *aLine)
 600 {
 601     int i=0;
 602     int aCount = 0;
 603     int inarg = 0;
 604     while (aLine[i] == ' ') i++;
 605     while (aLine[i] != 0){
 606         if((aLine[i]== ' ') && inarg){
 607             inarg = 0;
 608         }
 609         if((aLine[i]!= ' ') && ! inarg){
 610             inarg = 1;
 611             aCount++;
 612         }
 613         i++;
 614     }
 615     return aCount;
 616 }
 617
 618 /*
 619  * CreateArgs - take a string (aLine) and tokenize
 620  */
 621 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 622 {
 623     char        *getP, *putP;
 624     char        **pargv = argv;
 625     char        Quote = 0;
 626     int inArg = 0;
 627     int len;
 628
 629     len = strlen(aLine);
 630     /* remove trailing space and newlines */
 631     while (len && aLine[len] <= ' ') {
 632         aLine[len] = 0 ; len--;
 633     }
 634     /* sikp leading blanks */
 635     while (*aLine && *aLine <= ' ') aLine++;
 636
 637     pargv[0] = pName;
 638     argc = 1;
 639     getP = aLine;
 640     putP = aLine;
 641     while (*getP){
 642         switch (*getP) {
 643         case ' ':
 644             if (Quote){
 645                 *(putP++)=*getP;
 646             } else
 647                 if(inArg) {
 648                     *(putP++) = 0;
 649                     inArg = 0;
 650                 }
 651             break;
 652         case '"':
 653         case '\'':
 654             if (Quote != 0) {
 655                 if (Quote == *getP)
 656                     Quote = 0;
 657                 else {
 658                     *(putP++)=*getP;
 659                 }
 660             } else {
 661                 if(!inArg){
 662                     pargv[argc++] = putP;
 663                     inArg=1;
 664                 }
 665                 Quote = *getP;
 666             }
 667             break;
 668         default:
 669             if(!inArg){
 670                 pargv[argc++] = putP;
 671                 inArg=1;
 672             }
 673             *(putP++)=*getP;
 674             break;
 675         }
 676         getP++;
 677     }
 678
 679     *putP = '\0';
 680
 681     if (Quote)
 682         return -1;
 683     else
 684         return argc;
 685 }
 686
 687