src/rrd_tool.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.12  Copyright by Tobi Oetiker, 1997-2005
   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\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_lic[] =
 183            "RRDtool is distributed under the Terms of the GNU General\n"
 184            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 185
 186            "For more information read the RRD manpages\n\n";
 187
 188     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST, C_FIRST,
 189            C_UPDATE, C_FETCH, C_GRAPH, C_TUNE, C_RESIZE, C_XPORT,
 190            C_QUIT, C_LS, C_CD, C_MKDIR, C_UPDATEV };
 191
 192     int help_cmd = C_NONE;
 193
 194     if (cmd)
 195         {
 196             if (!strcmp(cmd,"create"))
 197                 help_cmd = C_CREATE;
 198             else if (!strcmp(cmd,"dump"))
 199                 help_cmd = C_DUMP;
 200             else if (!strcmp(cmd,"info"))
 201                 help_cmd = C_INFO;
 202             else if (!strcmp(cmd,"restore"))
 203                 help_cmd = C_RESTORE;
 204             else if (!strcmp(cmd,"last"))
 205                 help_cmd = C_LAST;
 206             else if (!strcmp(cmd,"first"))
 207                 help_cmd = C_FIRST;
 208             else if (!strcmp(cmd,"update"))
 209                 help_cmd = C_UPDATE;
 210             else if (!strcmp(cmd,"updatev"))
 211                 help_cmd = C_UPDATEV;
 212             else if (!strcmp(cmd,"fetch"))
 213                 help_cmd = C_FETCH;
 214             else if (!strcmp(cmd,"graph"))
 215                 help_cmd = C_GRAPH;
 216             else if (!strcmp(cmd,"tune"))
 217                 help_cmd = C_TUNE;
 218             else if (!strcmp(cmd,"resize"))
 219                 help_cmd = C_RESIZE;
 220             else if (!strcmp(cmd,"xport"))
 221                 help_cmd = C_XPORT;
 222             else if (!strcmp(cmd,"quit"))
 223                 help_cmd = C_QUIT;
 224             else if (!strcmp(cmd,"ls"))
 225                 help_cmd = C_LS;
 226             else if (!strcmp(cmd,"cd"))
 227                 help_cmd = C_CD;
 228             else if (!strcmp(cmd,"mkdir"))
 229                 help_cmd = C_MKDIR;
 230         }
 231     fputs(help_main, stdout);
 232     switch (help_cmd)
 233         {
 234             case C_NONE:
 235                 fputs(help_list, stdout);
 236                 if (RemoteMode){
 237                    fputs(help_listremote, stdout);
 238                 }
 239                 break;
 240             case C_CREATE:
 241                 fputs(help_create, stdout);
 242                 break;
 243             case C_DUMP:
 244                 fputs(help_dump, stdout);
 245                 break;
 246             case C_INFO:
 247                 fputs(help_info, stdout);
 248                 break;
 249             case C_RESTORE:
 250                 fputs(help_restore, stdout);
 251                 break;
 252             case C_LAST:
 253                 fputs(help_last, stdout);
 254                 break;
 255             case C_FIRST:
 256                 fputs(help_first, stdout);
 257                 break;
 258             case C_UPDATE:
 259                 fputs(help_update, stdout);
 260                 break;
 261             case C_UPDATEV:
 262                 fputs(help_updatev, stdout);
 263                 break;
 264             case C_FETCH:
 265                 fputs(help_fetch, stdout);
 266                 break;
 267             case C_GRAPH:
 268                 fputs(help_graph1, stdout);
 269                 fputs(help_graph2, stdout);
 270                 fputs(help_graph3, stdout);
 271                 break;
 272             case C_TUNE:
 273                 fputs(help_tune1, stdout);
 274                 fputs(help_tune2, stdout);
 275                 break;
 276             case C_RESIZE:
 277                 fputs(help_resize, stdout);
 278                 break;
 279             case C_XPORT:
 280                 fputs(help_xport, stdout);
 281                 break;
 282             case C_QUIT:
 283                 fputs(help_quit, stdout);
 284                 break;
 285             case C_LS:
 286                 fputs(help_ls, stdout);
 287                 break;
 288             case C_CD:
 289                 fputs(help_cd, stdout);
 290                 break;
 291             case C_MKDIR:
 292                 fputs(help_mkdir, stdout);
 293                 break;
 294         }
 295     fputs(help_lic, stdout);
 296 }
 297
 298
 299 int main(int argc, char *argv[])
 300 {
 301     char **myargv;
 302     char aLine[MAX_LENGTH];
 303     char *firstdir="";
 304 #ifdef MUST_DISABLE_SIGFPE
 305     signal(SIGFPE,SIG_IGN);
 306 #endif
 307 #ifdef MUST_DISABLE_FPMASK
 308     fpsetmask(0);
 309 #endif
 310     if (argc == 1)
 311         {
 312             PrintUsage("");
 313             return 0;
 314         }
 315
 316     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 317         {
 318 #if HAVE_GETRUSAGE
 319           struct rusage  myusage;
 320           struct timeval starttime;
 321           struct timeval currenttime;
 322           struct timezone tz;
 323
 324             tz.tz_minuteswest =0;
 325             tz.tz_dsttime=0;
 326             gettimeofday(&starttime,&tz);
 327 #endif
 328           RemoteMode=1;
 329           if ((argc == 3) && strcmp("",argv[2])){
 330
 331              if (
 332 #ifdef HAVE_GETUID
 333                  getuid()
 334 #else
 335                  1
 336 #endif
 337                  == 0 ){
 338
 339 #ifdef HAVE_CHROOT
 340                 chroot(argv[2]);
 341                 if (errno!=0){
 342                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 343                            argv[2],errno);
 344                     exit(errno);
 345                 }
 346                 ChangeRoot=1;
 347                 firstdir="/";
 348 #else
 349                 fprintf(stderr,"ERROR: change root is not supported by your OS "
 350                          "or at least by this copy of rrdtool\n");
 351                 exit(1);
 352 #endif
 353              } else {
 354                 firstdir=argv[2];
 355              }
 356           }
 357           if (strcmp(firstdir,"")){
 358              chdir(firstdir);
 359              if (errno!=0){
 360                 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
 361                 exit(errno);
 362              }
 363           }
 364
 365             while (fgets(aLine, sizeof(aLine)-1, stdin)){
 366                 if ((argc = CountArgs(aLine)) == 0)  {
 367                     printf("ERROR: not enough arguments\n");
 368                 }
 369                 if ((myargv = (char **) malloc((argc+1) *
 370                                                sizeof(char *))) == NULL)   {
 371                     perror("malloc");
 372                     exit(1);
 373                 }
 374                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 375                     printf("ERROR: creating arguments\n");
 376                 } else {
 377                     int ret = HandleInputLine(argc, myargv, stdout);
 378                     free(myargv);
 379                     if (ret == 0){
 380
 381
 382 #if HAVE_GETRUSAGE
 383                      getrusage(RUSAGE_SELF,&myusage);
 384                      gettimeofday(&currenttime,&tz);
 385                      printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 386                        (double)myusage.ru_utime.tv_sec+
 387                        (double)myusage.ru_utime.tv_usec/1000000.0,
 388                        (double)myusage.ru_stime.tv_sec+
 389                        (double)myusage.ru_stime.tv_usec/1000000.0,
 390                        (double)(currenttime.tv_sec-starttime.tv_sec)
 391                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 392                        /1000000.0);
 393 #else
 394                       printf("OK\n");
 395
 396 #endif
 397                   }
 398                 }
 399                 fflush(stdout); /* this is important for pipes to work */
 400             }
 401         }
 402     else if (argc == 2)
 403         {
 404                 PrintUsage(argv[1]);
 405                 exit(0);
 406         }
 407     else if (argc == 3 && !strcmp(argv[1],"help"))
 408         {
 409                 PrintUsage(argv[2]);
 410                 exit(0);
 411         }
 412     else {
 413         exit(HandleInputLine(argc, argv, stderr));
 414     }
 415     return 0;
 416 }
 417
 418 /* HandleInputLine is NOT thread safe - due to readdir issues,
 419    resolving them portably is not really simple. */
 420 int HandleInputLine(int argc, char **argv, FILE* out)
 421 {
 422 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 423     DIR           *curdir; /* to read current dir with ls */
 424     struct dirent *dent;
 425 #endif
 426 #if defined(HAVE_SYS_STAT_H)
 427     struct stat   st;
 428 #endif
 429
 430     if (RemoteMode){
 431        if (argc>1 && strcmp("quit", argv[1]) == 0){
 432           if (argc>2){
 433              printf("ERROR: invalid parameter count for quit\n");
 434              return(1);
 435           }
 436           exit(0);
 437        }
 438 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 439        if (argc>1 && strcmp("cd", argv[1]) == 0){
 440           if (argc>3){
 441              printf("ERROR: invalid parameter count for cd\n");
 442              return(1);
 443           }
 444 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 445           if (getuid()==0 && ! ChangeRoot){
 446              printf("ERROR: chdir security problem - rrdtool is running as "
 447                     "root but not chroot!\n");
 448              return(1);
 449           }
 450 #endif
 451           chdir(argv[2]);
 452           if (errno!=0){
 453              printf("ERROR: %s\n",rrd_strerror(errno));
 454              return(1);
 455           }
 456           return(0);
 457        }
 458        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 459           if (argc>3){
 460              printf("ERROR: invalid parameter count for mkdir\n");
 461              return(1);
 462           }
 463 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 464           if (getuid()==0 && ! ChangeRoot){
 465              printf("ERROR: mkdir security problem - rrdtool is running as "
 466                     "root but not chroot!\n");
 467              return(1);
 468           }
 469 #endif
 470           mkdir(argv[2],0777);
 471           if (errno!=0){
 472              printf("ERROR: %s\n",rrd_strerror(errno));
 473              return(1);
 474           }
 475           return(0);
 476        }
 477        if (argc>1 && strcmp("ls", argv[1]) == 0){
 478           if (argc>2){
 479              printf("ERROR: invalid parameter count for ls\n");
 480              return(1);
 481           }
 482           if ((curdir=opendir("."))!=NULL){
 483              while((dent=readdir(curdir))!=NULL){
 484                 if (!stat(dent->d_name,&st)){
 485                    if (S_ISDIR(st.st_mode)){
 486                       printf("d %s\n",dent->d_name);
 487                    }
 488                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 489                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 490                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 491                          printf("- %s\n",dent->d_name);
 492                       }
 493                    }
 494                 }
 495              }
 496           }
 497           else{
 498              printf("ERROR: %s\n",rrd_strerror(errno));
 499              return(errno);
 500           }
 501           return(0);
 502        }
 503 #endif /* opendir and readdir */
 504
 505     }
 506     if (argc < 3
 507         || strcmp("help", argv[1]) == 0
 508         || strcmp("--help", argv[1]) == 0
 509         || strcmp("-help", argv[1]) == 0
 510         || strcmp("-?", argv[1]) == 0
 511         || strcmp("-h", argv[1]) == 0 ) {
 512         PrintUsage("");
 513         return 0;
 514     }
 515
 516     if (strcmp("create", argv[1]) == 0)
 517         rrd_create(argc-1, &argv[1]);
 518     else if (strcmp("dump", argv[1]) == 0)
 519         rrd_dump(argc-1, &argv[1]);
 520     else if (strcmp("info", argv[1]) == 0
 521                 || strcmp("updatev", argv[1]) == 0){
 522         info_t *data,*save;
 523         if (strcmp("info",argv[1]) == 0)
 524            data=rrd_info(argc-1, &argv[1]);
 525     else
 526            data=rrd_update_v(argc-1, &argv[1]);
 527         while (data) {
 528             save=data;
 529             printf ("%s = ", data->key);
 530             free(data->key);
 531
 532             switch (data->type) {
 533             case RD_I_VAL:
 534                 if (isnan (data->value.u_val))
 535                     printf("NaN");
 536                 else
 537                     printf ("%0.10e", data->value.u_val);
 538                 break;
 539             case RD_I_CNT:
 540                 printf ("%lu", data->value.u_cnt);
 541                 break;
 542             case RD_I_INT:
 543                 printf ("%d", data->value.u_int);
 544                 break;
 545             case RD_I_STR:
 546                 printf ("\"%s\"", data->value.u_str);
 547                 free(data->value.u_str);
 548                 break;
 549             }
 550             data = data->next;
 551             free(save);
 552             printf ("\n");
 553         }
 554         free(data);
 555     }
 556
 557     else if (strcmp("--version", argv[1]) == 0 ||
 558              strcmp("version", argv[1]) == 0 ||
 559              strcmp("v", argv[1]) == 0 ||
 560              strcmp("-v", argv[1]) == 0  ||
 561              strcmp("-version", argv[1]) == 0  )
 562         printf("RRDtool " PACKAGE_VERSION "  Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
 563                rrd_version());
 564     else if (strcmp("restore", argv[1]) == 0)
 565         rrd_restore(argc-1, &argv[1]);
 566     else if (strcmp("resize", argv[1]) == 0)
 567         rrd_resize(argc-1, &argv[1]);
 568     else if (strcmp("last", argv[1]) == 0)
 569         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 570     else if (strcmp("first", argv[1]) == 0)
 571         printf("%ld\n",rrd_first(argc-1, &argv[1]));
 572     else if (strcmp("update", argv[1]) == 0)
 573         rrd_update(argc-1, &argv[1]);
 574     else if (strcmp("fetch", argv[1]) == 0) {
 575         time_t        start,end, ti;
 576         unsigned long step, ds_cnt,i,ii;
 577         rrd_value_t   *data,*datai;
 578         char          **ds_namv;
 579         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 580             datai=data;
 581             printf("           ");
 582             for (i = 0; i<ds_cnt;i++)
 583                 printf("%20s",ds_namv[i]);
 584             printf ("\n\n");
 585             for (ti = start+step; ti <= end; ti += step){
 586                 printf("%10lu:", ti);
 587                 for (ii = 0; ii < ds_cnt; ii++)
 588                     printf(" %0.10e", *(datai++));
 589                 printf("\n");
 590             }
 591             for (i=0;i<ds_cnt;i++)
 592                   free(ds_namv[i]);
 593             free(ds_namv);
 594             free (data);
 595         }
 596     } else if (strcmp("xport", argv[1]) == 0) {
 597        int xxsize;
 598         unsigned long int j = 0;
 599         time_t        start,end, ti;
 600         unsigned long step, col_cnt,row_cnt;
 601         rrd_value_t   *data,*ptr;
 602         char          **legend_v;
 603        if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 604           row_cnt = (end-start)/step;
 605           ptr = data;
 606           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 607           printf("<%s>\n", ROOT_TAG);
 608           printf("  <%s>\n", META_TAG);
 609           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 610           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 611           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 612           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 613           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 614           printf("    <%s>\n", LEGEND_TAG);
 615           for (j = 0; j < col_cnt; j++) {
 616             char *entry = NULL;
 617             entry = legend_v[j];
 618             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 619             free(entry);
 620           }
 621           free(legend_v);
 622           printf("    </%s>\n", LEGEND_TAG);
 623           printf("  </%s>\n", META_TAG);
 624           printf("  <%s>\n", DATA_TAG);
 625           for (ti = start+step; ti <= end; ti += step) {
 626             printf ("    <%s>", DATA_ROW_TAG);
 627             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 628             for (j = 0; j < col_cnt; j++) {
 629               rrd_value_t newval = DNAN;
 630               newval = *ptr;
 631               if(isnan(newval)){
 632                 printf("<%s>NaN</%s>", COL_DATA_TAG, COL_DATA_TAG);
 633               } else {
 634                 printf("<%s>%0.10e</%s>", COL_DATA_TAG, newval, COL_DATA_TAG);
 635               };
 636               ptr++;
 637             }
 638             printf("</%s>\n", DATA_ROW_TAG);
 639           }
 640           free(data);
 641           printf("  </%s>\n", DATA_TAG);
 642           printf("</%s>\n", ROOT_TAG);
 643         }
 644     }
 645     else if (strcmp("graph", argv[1]) == 0) {
 646         char **calcpr;
 647 #ifdef notused  /*XXX*/
 648         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 649 #endif
 650         int xsize, ysize;
 651         double ymin,ymax;
 652         int i;
 653         int tostdout = (strcmp(argv[2],"-") == 0);
 654         int imginfo = 0;
 655         for (i=2;i<argc;i++){
 656                 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
 657                         imginfo = 1;
 658                         break;
 659                 }
 660         }
 661         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
 662             if (!tostdout && !imginfo)
 663                 printf ("%dx%d\n",xsize,ysize);
 664             if (calcpr) {
 665                 for(i=0;calcpr[i];i++){
 666                     if (!tostdout)
 667                         printf("%s\n",calcpr[i]);
 668                     free(calcpr[i]);
 669                 }
 670                 free(calcpr);
 671             }
 672         }
 673
 674     } else if (strcmp("tune", argv[1]) == 0)
 675                 rrd_tune(argc-1, &argv[1]);
 676     else {
 677                 rrd_set_error("unknown function '%s'",argv[1]);
 678     }
 679     if (rrd_test_error()) {
 680         fprintf(out, "ERROR: %s\n",rrd_get_error());
 681         rrd_clear_error();
 682         return 1;
 683     }
 684     return(0);
 685 }
 686
 687 int CountArgs(char *aLine)
 688 {
 689     int i=0;
 690     int aCount = 0;
 691     int inarg = 0;
 692     while (aLine[i] == ' ') i++;
 693     while (aLine[i] != 0){
 694         if((aLine[i]== ' ') && inarg){
 695             inarg = 0;
 696         }
 697         if((aLine[i]!= ' ') && ! inarg){
 698             inarg = 1;
 699             aCount++;
 700         }
 701         i++;
 702     }
 703     return aCount;
 704 }
 705
 706 /*
 707  * CreateArgs - take a string (aLine) and tokenize
 708  */
 709 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 710 {
 711     char        *getP, *putP;
 712     char        **pargv = argv;
 713     char        Quote = 0;
 714     int inArg = 0;
 715     int len;
 716
 717     len = strlen(aLine);
 718     /* remove trailing space and newlines */
 719     while (len && aLine[len] <= ' ') {
 720         aLine[len] = 0 ; len--;
 721     }
 722     /* sikp leading blanks */
 723     while (*aLine && *aLine <= ' ') aLine++;
 724
 725     pargv[0] = pName;
 726     argc = 1;
 727     getP = aLine;
 728     putP = aLine;
 729     while (*getP){
 730         switch (*getP) {
 731         case ' ':
 732             if (Quote){
 733                 *(putP++)=*getP;
 734             } else
 735                 if(inArg) {
 736                     *(putP++) = 0;
 737                     inArg = 0;
 738                 }
 739             break;
 740         case '"':
 741         case '\'':
 742             if (Quote != 0) {
 743                 if (Quote == *getP)
 744                     Quote = 0;
 745                 else {
 746                     *(putP++)=*getP;
 747                 }
 748             } else {
 749                 if(!inArg){
 750                     pargv[argc++] = putP;
 751                     inArg=1;
 752                 }
 753                 Quote = *getP;
 754             }
 755             break;
 756         default:
 757             if(!inArg){
 758                 pargv[argc++] = putP;
 759                 inArg=1;
 760             }
 761             *(putP++)=*getP;
 762             break;
 763         }
 764         getP++;
 765     }
 766
 767     *putP = '\0';
 768
 769     if (Quote)
 770         return -1;
 771     else
 772         return argc;
 773 }
 774
 775