src/rrd_tool.c

   1 /*****************************************************************************
   2  * RRDtool 1.2.22  Copyright by Tobi Oetiker, 1997-2007
   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 1997-2007 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, lastupdate, first, info, fetch, tune,\n"
  32            "\t\tresize, xport\n\n";
  33
  34     char help_listremote[] =
  35            "Valid remote commands: quit, ls, cd, mkdir, pwd\n\n";
  36
  37
  38     char help_create[] =
  39            "* create - create a new RRD\n\n"
  40            "\trrdtool create filename [--start|-b start time]\n"
  41            "\t\t[--step|-s step]\n"
  42            "\t\t[DS:ds-name:DST:dst arguments]\n"
  43            "\t\t[RRA:CF:cf arguments]\n\n";
  44
  45     char help_dump[] =
  46            "* dump - dump an RRD to XML\n\n"
  47            "\trrdtool dump filename.rrd >filename.xml\n\n";
  48
  49     char help_info[] =
  50            "* info - returns the configuration and status of the RRD\n\n"
  51            "\trrdtool info filename.rrd\n\n";
  52
  53     char help_restore[] =
  54            "* restore - restore an RRD file from its XML form\n\n"
  55            "\trrdtool restore [--range-check|-r] [--force-overwrite|-f] filename.xml filename.rrd\n\n";
  56
  57     char help_last[] =
  58            "* last - show last update time for RRD\n\n"
  59            "\trrdtool last filename.rrd\n\n";
  60
  61     char help_lastupdate[] =
  62           "* lastupdate - returns the most recent datum stored for\n"
  63           "  each DS in an RRD\n\n"
  64           "\trrdtool lastupdate filename.rrd\n\n";
  65
  66     char help_first[] =
  67            "* first - show first update time for RRA within an RRD\n\n"
  68            "\trrdtool first filename.rrd [--rraindex number]\n\n";
  69
  70     char help_update[] =
  71            "* update - update an RRD\n\n"
  72            "\trrdtool update filename\n"
  73            "\t\t--template|-t ds-name:ds-name:...\n"
  74            "\t\ttime|N:value[:value...]\n\n"
  75            "\t\tat-time@value[:value...]\n\n"
  76            "\t\t[ time:value[:value...] ..]\n\n";
  77
  78         char help_updatev[] =
  79            "* updatev - a verbose version of update\n"
  80            "\treturns information about values, RRAs, and datasources updated\n\n"
  81            "\trrdtool updatev filename\n"
  82            "\t\t--template|-t ds-name:ds-name:...\n"
  83            "\t\ttime|N:value[:value...]\n\n"
  84            "\t\tat-time@value[:value...]\n\n"
  85            "\t\t[ time:value[:value...] ..]\n\n";
  86
  87     char help_fetch[] =
  88            "* fetch - fetch data out of an RRD\n\n"
  89            "\trrdtool fetch filename.rrd CF\n"
  90            "\t\t[-r|--resolution resolution]\n"
  91            "\t\t[-s|--start start] [-e|--end end]\n\n";
  92
  93 /* break up very large strings (help_graph, help_tune) for ISO C89 compliance*/
  94
  95     char help_graph1[] =
  96            "* graph - generate a graph from one or several RRD\n\n"
  97            "\trrdtool graph filename [-s|--start seconds] [-e|--end seconds]\n"
  98            "\t\t[-x|--x-grid x-axis grid and label]\n"
  99            "\t\t[-Y|--alt-y-grid]\n"
 100            "\t\t[-y|--y-grid y-axis grid and label]\n"
 101            "\t\t[-v|--vertical-label string] [-w|--width pixels]\n"
 102            "\t\t[-h|--height pixels] [-o|--logarithmic]\n"
 103            "\t\t[-u|--upper-limit value] [-z|--lazy]\n"
 104            "\t\t[-l|--lower-limit value] [-r|--rigid]\n"
 105            "\t\t[-g|--no-legend]\n"
 106            "\t\t[-F|--force-rules-legend]\n"
 107            "\t\t[-j|--only-graph]\n";
 108     char help_graph2[] =
 109            "\t\t[-n|--font FONTTAG:size:font]\n"
 110            "\t\t[-m|--zoom factor]\n"
 111            "\t\t[-A|--alt-autoscale]\n"
 112            "\t\t[-M|--alt-autoscale-max]\n"
 113            "\t\t[-R|--font-render-mode {normal,light,mono}]\n"
 114            "\t\t[-B|--font-smoothing-threshold size]\n"
 115            "\t\t[-E|--slope-mode]\n"
 116            "\t\t[-N|--no-gridfit]\n"
 117            "\t\t[-X|--units-exponent value]\n"
 118            "\t\t[-L|--units-length value]\n"
 119            "\t\t[-S|--step seconds]\n"
 120            "\t\t[-f|--imginfo printfstr]\n"
 121            "\t\t[-a|--imgformat PNG]\n"
 122            "\t\t[-c|--color COLORTAG#rrggbb[aa]] [-t|--title string]\n"
 123            "\t\t[-W|--watermark string]\n"
 124            "\t\t[DEF:vname=rrd:ds-name:CF]\n";
 125     char help_graph3[] =
 126            "\t\t[CDEF:vname=rpn-expression]\n"
 127            "\t\t[VDEF:vdefname=rpn-expression]\n"
 128            "\t\t[PRINT:vdefname:format]\n"
 129            "\t\t[GPRINT:vdefname:format]\n"
 130            "\t\t[COMMENT:text]\n"
 131            "\t\t[SHIFT:vname:offset]\n"
 132            "\t\t[TICK:vname#rrggbb[aa][:[fraction][:legend]]]\n"
 133            "\t\t[HRULE:value#rrggbb[aa][:legend]]\n"
 134            "\t\t[VRULE:value#rrggbb[aa][:legend]]\n"
 135            "\t\t[LINE[width]:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
 136            "\t\t[AREA:vname[#rrggbb[aa][:[legend][:STACK]]]]\n"
 137            "\t\t[PRINT:vname:CF:format] (deprecated)\n"
 138            "\t\t[GPRINT:vname:CF:format] (deprecated)\n"
 139            "\t\t[STACK:vname[#rrggbb[aa][:legend]]] (deprecated)\n\n";
 140
 141     char help_tune1[] =
 142            " * tune -  Modify some basic properties of an RRD\n\n"
 143            "\trrdtool tune filename\n"
 144            "\t\t[--heartbeat|-h ds-name:heartbeat]\n"
 145            "\t\t[--data-source-type|-d ds-name:DST]\n"
 146            "\t\t[--data-source-rename|-r old-name:new-name]\n"
 147            "\t\t[--minimum|-i ds-name:min] [--maximum|-a ds-name:max]\n"
 148            "\t\t[--deltapos scale-value] [--deltaneg scale-value]\n"
 149            "\t\t[--failure-threshold integer]\n"
 150            "\t\t[--window-length integer]\n"
 151            "\t\t[--alpha adaptation-parameter]\n";
 152     char help_tune2[] =
 153            " * tune -  Modify some basic properties of an RRD\n\n"
 154            "\t\t[--beta adaptation-parameter]\n"
 155            "\t\t[--gamma adaptation-parameter]\n"
 156            "\t\t[--gamma-deviation adaptation-parameter]\n"
 157            "\t\t[--aberrant-reset ds-name]\n\n";
 158
 159     char help_resize[] =
 160            " * resize - alter the length of one of the RRAs in an RRD\n\n"
 161            "\trrdtool resize filename rranum GROW|SHRINK rows\n\n";
 162
 163     char help_xport[] =
 164            "* xport - generate XML dump from one or several RRD\n\n"
 165            "\trrdtool xport [-s|--start seconds] [-e|--end seconds]\n"
 166            "\t\t[-m|--maxrows rows]\n"
 167            "\t\t[--step seconds]\n"
 168            "\t\t[--enumds]\n"
 169            "\t\t[DEF:vname=rrd:ds-name:CF]\n"
 170            "\t\t[CDEF:vname=rpn-expression]\n"
 171            "\t\t[XPORT:vname:legend]\n\n";
 172
 173     char help_quit[] =
 174            " * quit - closing a session in remote mode\n\n"
 175            "\trrdtool quit\n\n";
 176
 177     char help_ls[] =
 178            " * ls - lists all *.rrd files in current directory\n\n"
 179            "\trrdtool ls\n\n";
 180
 181     char help_cd[] =
 182            " * cd - changes the current directory\n\n"
 183            "\trrdtool cd new directory\n\n";
 184
 185     char help_mkdir[] =
 186            " * mkdir - creates a new directory\n\n"
 187            "\trrdtool mkdir newdirectoryname\n\n";
 188
 189     char help_pwd[] =
 190            " * pwd - returns the current working directory\n\n"
 191            "\trrdtool pwd\n\n";
 192
 193     char help_lic[] =
 194            "RRDtool is distributed under the Terms of the GNU General\n"
 195            "Public License Version 2. (www.gnu.org/copyleft/gpl.html)\n\n"
 196
 197            "For more information read the RRD manpages\n\n";
 198
 199     enum { C_NONE, C_CREATE, C_DUMP, C_INFO, C_RESTORE, C_LAST,
 200            C_LASTUPDATE, C_FIRST, C_UPDATE, C_FETCH, C_GRAPH, C_TUNE,
 201            C_RESIZE, C_XPORT, C_QUIT, C_LS, C_CD, C_MKDIR, C_PWD,
 202            C_UPDATEV };
 203
 204     int help_cmd = C_NONE;
 205
 206     if (cmd)
 207         {
 208             if (!strcmp(cmd,"create"))
 209                 help_cmd = C_CREATE;
 210             else if (!strcmp(cmd,"dump"))
 211                 help_cmd = C_DUMP;
 212             else if (!strcmp(cmd,"info"))
 213                 help_cmd = C_INFO;
 214             else if (!strcmp(cmd,"restore"))
 215                 help_cmd = C_RESTORE;
 216             else if (!strcmp(cmd,"last"))
 217                 help_cmd = C_LAST;
 218             else if (!strcmp(cmd,"lastupdate"))
 219                 help_cmd = C_LASTUPDATE;
 220             else if (!strcmp(cmd,"first"))
 221                 help_cmd = C_FIRST;
 222             else if (!strcmp(cmd,"update"))
 223                 help_cmd = C_UPDATE;
 224             else if (!strcmp(cmd,"updatev"))
 225                 help_cmd = C_UPDATEV;
 226             else if (!strcmp(cmd,"fetch"))
 227                 help_cmd = C_FETCH;
 228             else if (!strcmp(cmd,"graph"))
 229                 help_cmd = C_GRAPH;
 230             else if (!strcmp(cmd,"tune"))
 231                 help_cmd = C_TUNE;
 232             else if (!strcmp(cmd,"resize"))
 233                 help_cmd = C_RESIZE;
 234             else if (!strcmp(cmd,"xport"))
 235                 help_cmd = C_XPORT;
 236             else if (!strcmp(cmd,"quit"))
 237                 help_cmd = C_QUIT;
 238             else if (!strcmp(cmd,"ls"))
 239                 help_cmd = C_LS;
 240             else if (!strcmp(cmd,"cd"))
 241                 help_cmd = C_CD;
 242             else if (!strcmp(cmd,"mkdir"))
 243                 help_cmd = C_MKDIR;
 244             else if (!strcmp(cmd,"pwd"))
 245                 help_cmd = C_PWD;
 246         }
 247     fputs(help_main, stdout);
 248     switch (help_cmd)
 249         {
 250             case C_NONE:
 251                 fputs(help_list, stdout);
 252                 if (RemoteMode){
 253                    fputs(help_listremote, stdout);
 254                 }
 255                 break;
 256             case C_CREATE:
 257                 fputs(help_create, stdout);
 258                 break;
 259             case C_DUMP:
 260                 fputs(help_dump, stdout);
 261                 break;
 262             case C_INFO:
 263                 fputs(help_info, stdout);
 264                 break;
 265             case C_RESTORE:
 266                 fputs(help_restore, stdout);
 267                 break;
 268             case C_LAST:
 269                 fputs(help_last, stdout);
 270                 break;
 271             case C_LASTUPDATE:
 272                 fputs(help_lastupdate, stdout);
 273                 break;
 274             case C_FIRST:
 275                 fputs(help_first, stdout);
 276                 break;
 277             case C_UPDATE:
 278                 fputs(help_update, stdout);
 279                 break;
 280             case C_UPDATEV:
 281                 fputs(help_updatev, stdout);
 282                 break;
 283             case C_FETCH:
 284                 fputs(help_fetch, stdout);
 285                 break;
 286             case C_GRAPH:
 287                 fputs(help_graph1, stdout);
 288                 fputs(help_graph2, stdout);
 289                 fputs(help_graph3, stdout);
 290                 break;
 291             case C_TUNE:
 292                 fputs(help_tune1, stdout);
 293                 fputs(help_tune2, stdout);
 294                 break;
 295             case C_RESIZE:
 296                 fputs(help_resize, stdout);
 297                 break;
 298             case C_XPORT:
 299                 fputs(help_xport, stdout);
 300                 break;
 301             case C_QUIT:
 302                 fputs(help_quit, stdout);
 303                 break;
 304             case C_LS:
 305                 fputs(help_ls, stdout);
 306                 break;
 307             case C_CD:
 308                 fputs(help_cd, stdout);
 309                 break;
 310             case C_MKDIR:
 311                 fputs(help_mkdir, stdout);
 312                 break;
 313             case C_PWD:
 314                 fputs(help_pwd, stdout);
 315                 break;
 316         }
 317     fputs(help_lic, stdout);
 318 }
 319
 320 static char *fgetslong(char **aLinePtr, FILE *stream)
 321 {
 322    char *linebuf;
 323    size_t bufsize = MAX_LENGTH;
 324    int eolpos = 0;
 325
 326    if (feof(stream)) return *aLinePtr = 0;
 327    if (!(linebuf = malloc(bufsize))) {
 328       perror("fgetslong: malloc");
 329       exit(1);
 330    }
 331    linebuf[0] = '\0';
 332    while (fgets(linebuf + eolpos, MAX_LENGTH, stream)) {
 333       eolpos += strlen(linebuf + eolpos);
 334       if (linebuf[eolpos - 1] == '\n') return *aLinePtr = linebuf;
 335       bufsize += MAX_LENGTH;
 336       if (!(linebuf = realloc(linebuf, bufsize))) {
 337          perror("fgetslong: realloc");
 338          exit(1);
 339       }
 340    }
 341    return *aLinePtr = linebuf[0] ? linebuf : 0;
 342 }
 343
 344 int main(int argc, char *argv[])
 345 {
 346     char **myargv;
 347     char *aLine;
 348     char *firstdir="";
 349 #ifdef MUST_DISABLE_SIGFPE
 350     signal(SIGFPE,SIG_IGN);
 351 #endif
 352 #ifdef MUST_DISABLE_FPMASK
 353     fpsetmask(0);
 354 #endif
 355     if (argc == 1)
 356         {
 357             PrintUsage("");
 358             return 0;
 359         }
 360
 361     if (((argc == 2)||(argc == 3)) && !strcmp("-",argv[1]))
 362         {
 363 #if HAVE_GETRUSAGE
 364           struct rusage  myusage;
 365           struct timeval starttime;
 366           struct timeval currenttime;
 367           struct timezone tz;
 368
 369             tz.tz_minuteswest =0;
 370             tz.tz_dsttime=0;
 371             gettimeofday(&starttime,&tz);
 372 #endif
 373           RemoteMode=1;
 374           if ((argc == 3) && strcmp("",argv[2])){
 375
 376              if (
 377 #ifdef HAVE_GETUID
 378                  getuid()
 379 #else
 380                  1
 381 #endif
 382                  == 0 ){
 383
 384 #ifdef HAVE_CHROOT
 385                 chroot(argv[2]);
 386                 if (errno!=0){
 387                    fprintf(stderr,"ERROR: can't change root to '%s' errno=%d\n",
 388                            argv[2],errno);
 389                     exit(errno);
 390                 }
 391                 ChangeRoot=1;
 392                 firstdir="/";
 393 #else
 394                 fprintf(stderr,"ERROR: change root is not supported by your OS "
 395                          "or at least by this copy of rrdtool\n");
 396                 exit(1);
 397 #endif
 398              } else {
 399                 firstdir=argv[2];
 400              }
 401           }
 402           if (strcmp(firstdir,"")){
 403              chdir(firstdir);
 404              if (errno!=0){
 405                 fprintf(stderr,"ERROR: %s\n",rrd_strerror(errno));
 406                 exit(errno);
 407              }
 408           }
 409
 410             while (fgetslong(&aLine, stdin)){
 411                 if ((argc = CountArgs(aLine)) == 0)  {
 412                     printf("ERROR: not enough arguments\n");
 413                 }
 414                 if ((myargv = (char **) malloc((argc+1) *
 415                                                sizeof(char *))) == NULL)   {
 416                     perror("malloc");
 417                     exit(1);
 418                 }
 419                 if ((argc=CreateArgs(argv[0], aLine, argc, myargv)) < 0) {
 420                     printf("ERROR: creating arguments\n");
 421                 } else {
 422                     int ret = HandleInputLine(argc, myargv, stdout);
 423                     free(myargv);
 424                     if (ret == 0){
 425
 426
 427 #if HAVE_GETRUSAGE
 428                      getrusage(RUSAGE_SELF,&myusage);
 429                      gettimeofday(&currenttime,&tz);
 430                      printf("OK u:%1.2f s:%1.2f r:%1.2f\n",
 431                        (double)myusage.ru_utime.tv_sec+
 432                        (double)myusage.ru_utime.tv_usec/1000000.0,
 433                        (double)myusage.ru_stime.tv_sec+
 434                        (double)myusage.ru_stime.tv_usec/1000000.0,
 435                        (double)(currenttime.tv_sec-starttime.tv_sec)
 436                        +(double)(currenttime.tv_usec-starttime.tv_usec)
 437                        /1000000.0);
 438 #else
 439                       printf("OK\n");
 440
 441 #endif
 442                   }
 443                 }
 444                 fflush(stdout); /* this is important for pipes to work */
 445                 free(aLine);
 446             }
 447         }
 448     else if (argc == 2)
 449         {
 450                 PrintUsage(argv[1]);
 451                 exit(0);
 452         }
 453     else if (argc == 3 && !strcmp(argv[1],"help"))
 454         {
 455                 PrintUsage(argv[2]);
 456                 exit(0);
 457         }
 458     else {
 459         exit(HandleInputLine(argc, argv, stderr));
 460     }
 461     return 0;
 462 }
 463
 464 /* HandleInputLine is NOT thread safe - due to readdir issues,
 465    resolving them portably is not really simple. */
 466 int HandleInputLine(int argc, char **argv, FILE* out)
 467 {
 468 #if defined(HAVE_OPENDIR) && defined (HAVE_READDIR)
 469     DIR           *curdir; /* to read current dir with ls */
 470     struct dirent *dent;
 471 #endif
 472 #if defined(HAVE_SYS_STAT_H)
 473     struct stat   st;
 474 #endif
 475     char* cwd; /* To hold current working dir on call to pwd */
 476
 477     /* Reset errno to 0 before we start.
 478     */
 479     errno = 0;
 480
 481     if (RemoteMode){
 482        if (argc>1 && strcmp("quit", argv[1]) == 0){
 483           if (argc>2){
 484              printf("ERROR: invalid parameter count for quit\n");
 485              return(1);
 486           }
 487           exit(0);
 488        }
 489 #if defined(HAVE_OPENDIR) && defined(HAVE_READDIR) && defined(HAVE_CHDIR)
 490        if (argc>1 && strcmp("cd", argv[1]) == 0){
 491           if (argc>3){
 492              printf("ERROR: invalid parameter count for cd\n");
 493              return(1);
 494           }
 495 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 496           if (getuid()==0 && ! ChangeRoot){
 497              printf("ERROR: chdir security problem - rrdtool is running as "
 498                     "root but not chroot!\n");
 499              return(1);
 500           }
 501 #endif
 502           chdir(argv[2]);
 503           if (errno!=0){
 504              printf("ERROR: %s\n",rrd_strerror(errno));
 505              return(1);
 506           }
 507           return(0);
 508        }
 509        if (argc>1 && strcmp("pwd", argv[1]) == 0){
 510           if (argc>2){
 511              printf("ERROR: invalid parameter count for pwd\n");
 512              return(1);
 513           }
 514           cwd = getcwd(NULL, MAXPATH);
 515           if(cwd == NULL) {
 516              printf("ERROR: %s\n",rrd_strerror(errno));
 517              return(1);
 518           }
 519           printf("%s\n", cwd);
 520           free(cwd);
 521           return(0);
 522        }
 523        if (argc>1 && strcmp("mkdir", argv[1]) == 0){
 524           if (argc>3){
 525              printf("ERROR: invalid parameter count for mkdir\n");
 526              return(1);
 527           }
 528 #if ! defined(HAVE_CHROOT) || ! defined(HAVE_GETUID)
 529           if (getuid()==0 && ! ChangeRoot){
 530              printf("ERROR: mkdir security problem - rrdtool is running as "
 531                     "root but not chroot!\n");
 532              return(1);
 533           }
 534 #endif
 535           mkdir(argv[2],0777);
 536           if (errno!=0){
 537              printf("ERROR: %s\n",rrd_strerror(errno));
 538              return(1);
 539           }
 540           return(0);
 541        }
 542        if (argc>1 && strcmp("ls", argv[1]) == 0){
 543           if (argc>2){
 544              printf("ERROR: invalid parameter count for ls\n");
 545              return(1);
 546           }
 547           if ((curdir=opendir("."))!=NULL){
 548              while((dent=readdir(curdir))!=NULL){
 549                 if (!stat(dent->d_name,&st)){
 550                    if (S_ISDIR(st.st_mode)){
 551                       printf("d %s\n",dent->d_name);
 552                    }
 553                    if (strlen(dent->d_name)>4 && S_ISREG(st.st_mode)){
 554                       if (!strcmp(dent->d_name+NAMLEN(dent)-4,".rrd") ||
 555                           !strcmp(dent->d_name+NAMLEN(dent)-4,".RRD")){
 556                          printf("- %s\n",dent->d_name);
 557                       }
 558                    }
 559                 }
 560              }
 561              closedir(curdir);
 562           }
 563           else{
 564              printf("ERROR: %s\n",rrd_strerror(errno));
 565              return(errno);
 566           }
 567           return(0);
 568        }
 569 #endif /* opendir and readdir */
 570
 571     }
 572     if (argc < 3
 573         || strcmp("help", argv[1]) == 0
 574         || strcmp("--help", argv[1]) == 0
 575         || strcmp("-help", argv[1]) == 0
 576         || strcmp("-?", argv[1]) == 0
 577         || strcmp("-h", argv[1]) == 0 ) {
 578         PrintUsage("");
 579         return 0;
 580     }
 581
 582     if (strcmp("create", argv[1]) == 0)
 583         rrd_create(argc-1, &argv[1]);
 584     else if (strcmp("dump", argv[1]) == 0)
 585         rrd_dump(argc-1, &argv[1]);
 586     else if (strcmp("info", argv[1]) == 0
 587                 || strcmp("updatev", argv[1]) == 0){
 588         info_t *data,*save;
 589         if (strcmp("info",argv[1]) == 0)
 590            data=rrd_info(argc-1, &argv[1]);
 591     else
 592            data=rrd_update_v(argc-1, &argv[1]);
 593         while (data) {
 594             save=data;
 595             printf ("%s = ", data->key);
 596             free(data->key);
 597
 598             switch (data->type) {
 599             case RD_I_VAL:
 600                 if (isnan (data->value.u_val))
 601                     printf("NaN");
 602                 else
 603                     printf ("%0.10e", data->value.u_val);
 604                 break;
 605             case RD_I_CNT:
 606                 printf ("%lu", data->value.u_cnt);
 607                 break;
 608             case RD_I_INT:
 609                 printf ("%d", data->value.u_int);
 610                 break;
 611             case RD_I_STR:
 612                 printf ("\"%s\"", data->value.u_str);
 613                 free(data->value.u_str);
 614                 break;
 615             }
 616             data = data->next;
 617             free(save);
 618             printf ("\n");
 619         }
 620         free(data);
 621     }
 622
 623     else if (strcmp("--version", argv[1]) == 0 ||
 624              strcmp("version", argv[1]) == 0 ||
 625              strcmp("v", argv[1]) == 0 ||
 626              strcmp("-v", argv[1]) == 0  ||
 627              strcmp("-version", argv[1]) == 0  )
 628         printf("RRDtool " PACKAGE_VERSION "  Copyright by Tobi Oetiker, 1997-2005 (%f)\n",
 629                rrd_version());
 630     else if (strcmp("restore", argv[1]) == 0)
 631         rrd_restore(argc-1, &argv[1]);
 632     else if (strcmp("resize", argv[1]) == 0)
 633         rrd_resize(argc-1, &argv[1]);
 634     else if (strcmp("last", argv[1]) == 0)
 635         printf("%ld\n",rrd_last(argc-1, &argv[1]));
 636     else if (strcmp("lastupdate", argv[1]) == 0) {
 637            time_t      last_update;
 638            char        **ds_namv;
 639            char        **last_ds;
 640            unsigned long ds_cnt,
 641                        i;
 642           if (rrd_lastupdate(argc-1, &argv[1], &last_update,
 643                        &ds_cnt, &ds_namv, &last_ds) == 0) {
 644                for (i=0; i<ds_cnt; i++)
 645                        printf(" %s", ds_namv[i]);
 646                printf("\n\n");
 647                printf("%10lu:", last_update);
 648                for (i=0; i<ds_cnt; i++) {
 649                        printf(" %s", last_ds[i]);
 650                        free(last_ds[i]);
 651                        free(ds_namv[i]);
 652                }
 653                printf("\n");
 654                free(last_ds);
 655                free(ds_namv);
 656           }
 657     } else if (strcmp("first", argv[1]) == 0)
 658         printf("%ld\n",rrd_first(argc-1, &argv[1]));
 659     else if (strcmp("update", argv[1]) == 0)
 660         rrd_update(argc-1, &argv[1]);
 661     else if (strcmp("fetch", argv[1]) == 0) {
 662         time_t        start,end, ti;
 663         unsigned long step, ds_cnt,i,ii;
 664         rrd_value_t   *data,*datai;
 665         char          **ds_namv;
 666         if (rrd_fetch(argc-1, &argv[1],&start,&end,&step,&ds_cnt,&ds_namv,&data) != -1) {
 667             datai=data;
 668             printf("           ");
 669             for (i = 0; i<ds_cnt;i++)
 670                 printf("%20s",ds_namv[i]);
 671             printf ("\n\n");
 672             for (ti = start+step; ti <= end; ti += step){
 673                 printf("%10lu:", ti);
 674                 for (ii = 0; ii < ds_cnt; ii++)
 675                     printf(" %0.10e", *(datai++));
 676                 printf("\n");
 677             }
 678             for (i=0;i<ds_cnt;i++)
 679                   free(ds_namv[i]);
 680             free(ds_namv);
 681             free (data);
 682         }
 683     } else if (strcmp("xport", argv[1]) == 0) {
 684         int xxsize;
 685         unsigned long int j = 0;
 686         time_t        start,end, ti;
 687         unsigned long step, col_cnt,row_cnt;
 688         rrd_value_t   *data,*ptr;
 689         char          **legend_v;
 690         int           enumds = 0;
 691         int           i;
 692         size_t       vtag_s = strlen(COL_DATA_TAG) + 10;
 693         char         *vtag = malloc(vtag_s);
 694         for ( i = 2; i < argc; i++){
 695                 if (strcmp("--enumds", argv[i]) == 0)
 696                         enumds = 1;
 697         }
 698
 699         if(rrd_xport(argc-1, &argv[1], &xxsize,&start,&end,&step,&col_cnt,&legend_v,&data) != -1) {
 700           row_cnt = (end-start)/step;
 701           ptr = data;
 702           printf("<?xml version=\"1.0\" encoding=\"%s\"?>\n\n", XML_ENCODING);
 703           printf("<%s>\n", ROOT_TAG);
 704           printf("  <%s>\n", META_TAG);
 705           printf("    <%s>%lu</%s>\n", META_START_TAG, start+step, META_START_TAG);
 706           printf("    <%s>%lu</%s>\n", META_STEP_TAG, step, META_STEP_TAG);
 707           printf("    <%s>%lu</%s>\n", META_END_TAG, end, META_END_TAG);
 708           printf("    <%s>%lu</%s>\n", META_ROWS_TAG, row_cnt, META_ROWS_TAG);
 709           printf("    <%s>%lu</%s>\n", META_COLS_TAG, col_cnt, META_COLS_TAG);
 710           printf("    <%s>\n", LEGEND_TAG);
 711           for (j = 0; j < col_cnt; j++) {
 712             char *entry = NULL;
 713             entry = legend_v[j];
 714             printf("      <%s>%s</%s>\n", LEGEND_ENTRY_TAG, entry, LEGEND_ENTRY_TAG);
 715             free(entry);
 716           }
 717           free(legend_v);
 718           printf("    </%s>\n", LEGEND_TAG);
 719           printf("  </%s>\n", META_TAG);
 720           printf("  <%s>\n", DATA_TAG);
 721           for (ti = start+step; ti <= end; ti += step) {
 722             printf ("    <%s>", DATA_ROW_TAG);
 723             printf ("<%s>%lu</%s>", COL_TIME_TAG, ti, COL_TIME_TAG);
 724             for (j = 0; j < col_cnt; j++) {
 725               rrd_value_t newval = DNAN;
 726               if (enumds == 1)
 727                 snprintf(vtag,vtag_s,"%s%lu", COL_DATA_TAG, j);
 728               else
 729                 snprintf(vtag,vtag_s,"%s",COL_DATA_TAG);
 730
 731               newval = *ptr;
 732               if(isnan(newval)){
 733                 printf("<%s>NaN</%s>", vtag,vtag);
 734               } else {
 735                 printf("<%s>%0.10e</%s>", vtag, newval, vtag);
 736               };
 737               ptr++;
 738             }
 739             printf("</%s>\n", DATA_ROW_TAG);
 740           }
 741           free(data);
 742           printf("  </%s>\n", DATA_TAG);
 743           printf("</%s>\n", ROOT_TAG);
 744         }
 745         free(vtag);
 746     }
 747     else if (strcmp("graph", argv[1]) == 0) {
 748         char **calcpr;
 749 #ifdef notused  /*XXX*/
 750         const char *imgfile = argv[2]; /* rrd_graph changes argv pointer */
 751 #endif
 752         int xsize, ysize;
 753         double ymin,ymax;
 754         int i;
 755         int tostdout = (strcmp(argv[2],"-") == 0);
 756         int imginfo = 0;
 757         for (i=2;i<argc;i++){
 758                 if (strcmp(argv[i],"--imginfo") == 0 || strcmp(argv[i],"-f") == 0){
 759                         imginfo = 1;
 760                         break;
 761                 }
 762         }
 763         if( rrd_graph(argc-1, &argv[1], &calcpr, &xsize, &ysize, NULL, &ymin, &ymax) != -1 ) {
 764             if (!tostdout && !imginfo)
 765                 printf ("%dx%d\n",xsize,ysize);
 766             if (calcpr) {
 767                 for(i=0;calcpr[i];i++){
 768                     if (!tostdout)
 769                         printf("%s\n",calcpr[i]);
 770                     free(calcpr[i]);
 771                 }
 772                 free(calcpr);
 773             }
 774         }
 775
 776     } else if (strcmp("tune", argv[1]) == 0)
 777                 rrd_tune(argc-1, &argv[1]);
 778     else {
 779                 rrd_set_error("unknown function '%s'",argv[1]);
 780     }
 781     if (rrd_test_error()) {
 782         fprintf(out, "ERROR: %s\n",rrd_get_error());
 783         rrd_clear_error();
 784         return 1;
 785     }
 786     return(0);
 787 }
 788
 789 int CountArgs(char *aLine)
 790 {
 791     int i=0;
 792     int aCount = 0;
 793     int inarg = 0;
 794     while (aLine[i] == ' ') i++;
 795     while (aLine[i] != 0){
 796         if((aLine[i]== ' ') && inarg){
 797             inarg = 0;
 798         }
 799         if((aLine[i]!= ' ') && ! inarg){
 800             inarg = 1;
 801             aCount++;
 802         }
 803         i++;
 804     }
 805     return aCount;
 806 }
 807
 808 /*
 809  * CreateArgs - take a string (aLine) and tokenize
 810  */
 811 int CreateArgs(char *pName, char *aLine, int argc, char **argv)
 812 {
 813     char        *getP, *putP;
 814     char        **pargv = argv;
 815     char        Quote = 0;
 816     int inArg = 0;
 817     int len;
 818
 819     len = strlen(aLine);
 820     /* remove trailing space and newlines */
 821     while (len && aLine[len] <= ' ') {
 822         aLine[len] = 0 ; len--;
 823     }
 824     /* sikp leading blanks */
 825     while (*aLine && *aLine <= ' ') aLine++;
 826
 827     pargv[0] = pName;
 828     argc = 1;
 829     getP = aLine;
 830     putP = aLine;
 831     while (*getP){
 832         switch (*getP) {
 833         case ' ':
 834             if (Quote){
 835                 *(putP++)=*getP;
 836             } else
 837                 if(inArg) {
 838                     *(putP++) = 0;
 839                     inArg = 0;
 840                 }
 841             break;
 842         case '"':
 843         case '\'':
 844             if (Quote != 0) {
 845                 if (Quote == *getP)
 846                     Quote = 0;
 847                 else {
 848                     *(putP++)=*getP;
 849                 }
 850             } else {
 851                 if(!inArg){
 852                     pargv[argc++] = putP;
 853                     inArg=1;
 854                 }
 855                 Quote = *getP;
 856             }
 857             break;
 858         default:
 859             if(!inArg){
 860                 pargv[argc++] = putP;
 861                 inArg=1;
 862             }
 863             *(putP++)=*getP;
 864             break;
 865         }
 866         getP++;
 867     }
 868
 869     *putP = '\0';
 870
 871     if (Quote)
 872         return -1;
 873     else
 874         return argc;
 875 }
 876
 877