rrdupdate is a generated file it has no place in cvs

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@23 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrdupdate.c b/src/rrdupdate.c
deleted file mode 100644 (file)
index 94db63a..0000000
--- a/src/rrdupdate.c
+++ /dev/null
@@ -1,807 +0,0 @@
-/*****************************************************************************
- * RRDtool 1.0.33  Copyright Tobias Oetiker, 1997 - 2000
- *****************************************************************************
- * rrd_update.c  RRD Update Function
- *****************************************************************************
- * $Id$
- * $Log$
- * Revision 1.1  2001/02/25 22:25:06  oetiker
- * Initial revision
- *
- *****************************************************************************/
-
-#include "rrd_tool.h"
-#include <sys/types.h>
-#include <fcntl.h>
-
-#ifdef WIN32
- #include <sys/locking.h>
- #include <sys/stat.h>
- #include <io.h>
-#endif
-
-
-/* Prototypes */
-int LockRRD(FILE *rrd_file);
-
-/*#define DEBUG */
-
-
-#ifdef STANDALONE
-int 
-main(int argc, char **argv){
-        rrd_update(argc,argv);
-        if (rrd_test_error()) {
-                printf("RRDtool 1.0.33  Copyright 1997-2000 by Tobias Oetiker <tobi@oetiker.ch>\n\n"
-                        "Usage: rrdupdate filename\n"
-                        "\t\t\t[--template|-t ds-name:ds-name:...]\n"
-                        "\t\t\ttime|N:value[:value...]\n\n"
-                        "\t\t\t[ time:value[:value...] ..]\n\n");
-                                   
-                printf("ERROR: %s\n",rrd_get_error());
-                rrd_clear_error();                                                            
-                return 1;
-        }
-        return 0;
-}
-#endif
-
-int
-rrd_update(int argc, char **argv)
-{
-
-    int              arg_i = 2;
-    long             i,ii,iii;
-
-    unsigned long    rra_begin;          /* byte pointer to the rra
-                                         * area in the rrd file.  this
-                                         * pointer never changes value */
-    unsigned long    rra_start;          /* byte pointer to the rra
-                                         * area in the rrd file.  this
-                                         * pointer changes as each rrd is
-                                         * processed. */
-    unsigned long    rra_current;        /* byte pointer to the current write
-                                         * spot in the rrd file. */
-    unsigned long    rra_pos_tmp;        /* temporary byte pointer. */
-    unsigned long    interval,
-       pre_int,post_int;                /* interval between this and
-                                         * the last run */
-    unsigned long    proc_pdp_st;        /* which pdp_st was the last
-                                         * to be processed */
-    unsigned long    occu_pdp_st;        /* when was the pdp_st
-                                         * before the last update
-                                         * time */
-    unsigned long    proc_pdp_age;       /* how old was the data in
-                                         * the pdp prep area when it
-                                         * was last updated */
-    unsigned long    occu_pdp_age;       /* how long ago was the last
-                                         * pdp_step time */
-    unsigned long    pdp_st;             /* helper for cdp_prep 
-                                         * processing */
-    rrd_value_t      *pdp_new;           /* prepare the incoming data
-                                         * to be added the the
-                                         * existing entry */
-    rrd_value_t      *pdp_temp;          /* prepare the pdp values 
-                                         * to be added the the
-                                         * cdp values */
-
-    long             *tmpl_idx;          /* index representing the settings
-                                           transported by the template index */
-    long             tmpl_cnt = 2;       /* time and data */
-
-    FILE             *rrd_file;
-    rrd_t            rrd;
-    time_t           current_time = time(NULL);
-    char             **updvals;
-    int              wrote_to_file = 0;
-    char             *template = NULL;          
-
-
-    while (1) {
-       static struct option long_options[] =
-       {
-           {"template",      required_argument, 0, 't'},
-           {0,0,0,0}
-       };
-       int option_index = 0;
-       int opt;
-       opt = getopt_long(argc, argv, "t:", 
-                         long_options, &option_index);
-       
-       if (opt == EOF)
-         break;
-       
-       switch(opt) {
-       case 't':
-           template = optarg;
-           break;
-
-       case '?':
-           rrd_set_error("unknown option '%s'",argv[optind-1]);
-            rrd_free(&rrd);
-           return(-1);
-       }
-    }
-
-    /* need at least 2 arguments: filename, data. */
-    if (argc-optind < 2) {
-       rrd_set_error("Not enough arguments");
-       return -1;
-    }
-
-    if(rrd_open(argv[optind],&rrd_file,&rrd, RRD_READWRITE)==-1){
-       return -1;
-    }
-    rra_current = rra_start = rra_begin = ftell(rrd_file);
-    /* This is defined in the ANSI C standard, section 7.9.5.3:
-
-        When a file is opened with udpate mode ('+' as the second
-        or third character in the ... list of mode argument
-        variables), both input and ouptut may be performed on the
-        associated stream.  However, ...  input may not be directly
-        followed by output without an intervening call to a file
-        positioning function, unless the input oepration encounters
-        end-of-file. */
-    fseek(rrd_file, 0, SEEK_CUR);
-
-    
-    /* get exclusive lock to whole file.
-     * lock gets removed when we close the file.
-     */
-    if (LockRRD(rrd_file) != 0) {
-      rrd_set_error("could not lock RRD");
-      rrd_free(&rrd);
-      fclose(rrd_file);
-      return(-1);   
-    }
-
-    if((updvals = malloc( sizeof(char*) * (rrd.stat_head->ds_cnt+1)))==NULL){
-       rrd_set_error("allocating updvals pointer array");
-       rrd_free(&rrd);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    if ((pdp_temp = malloc(sizeof(rrd_value_t)
-                          *rrd.stat_head->ds_cnt))==NULL){
-       rrd_set_error("allocating pdp_temp ...");
-       free(updvals);
-       rrd_free(&rrd);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    if ((tmpl_idx = malloc(sizeof(unsigned long)
-                          *(rrd.stat_head->ds_cnt+1)))==NULL){
-       rrd_set_error("allocating tmpl_idx ...");
-       free(pdp_temp);
-       free(updvals);
-       rrd_free(&rrd);
-        fclose(rrd_file);
-       return(-1);
-    }
-    /* initialize template redirector */
-    /* default config
-       tmpl_idx[0] -> 0; (time)
-       tmpl_idx[1] -> 1; (DS 0)
-       tmpl_idx[2] -> 2; (DS 1)
-       tmpl_idx[3] -> 3; (DS 2)
-       ... */
-    for (i=0;i<=rrd.stat_head->ds_cnt;i++) tmpl_idx[i]=i;
-    tmpl_cnt=rrd.stat_head->ds_cnt+1;
-    if (template) {
-       char *dsname;
-       int tmpl_len;
-       dsname = template;
-       tmpl_cnt = 1; /* the first entry is the time */
-       tmpl_len = strlen(template);
-       for(i=0;i<=tmpl_len ;i++) {
-           if (template[i] == ':' || template[i] == '\0') {
-               template[i] = '\0';
-               if (tmpl_cnt>rrd.stat_head->ds_cnt){
-                   rrd_set_error("Template contains more DS definitions than RRD");
-                   free(updvals); free(pdp_temp);
-                   free(tmpl_idx); rrd_free(&rrd);
-                   fclose(rrd_file); return(-1);
-               }
-               if ((tmpl_idx[tmpl_cnt++] = ds_match(&rrd,dsname)) == -1){
-                   rrd_set_error("unknown DS name '%s'",dsname);
-                   free(updvals); free(pdp_temp);
-                   free(tmpl_idx); rrd_free(&rrd);
-                   fclose(rrd_file); return(-1);
-               } else {
-                 /* the first element is always the time */
-                 tmpl_idx[tmpl_cnt-1]++; 
-                 /* go to the next entry on the template */
-                 dsname = &template[i+1];
-                  /* fix the damage we did before */
-                  if (i<tmpl_len) {
-                     template[i]=':';
-                  } 
-
-               }
-           }       
-       }
-    }
-    if ((pdp_new = malloc(sizeof(rrd_value_t)
-                         *rrd.stat_head->ds_cnt))==NULL){
-       rrd_set_error("allocating pdp_new ...");
-       free(updvals);
-       free(pdp_temp);
-       free(tmpl_idx);
-       rrd_free(&rrd);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    /* loop through the arguments. */
-    for(arg_i=optind+1; arg_i<argc;arg_i++) {
-       char *stepper = malloc((strlen(argv[arg_i])+1)*sizeof(char));
-        char *step_start = stepper;
-        if (stepper == NULL){
-                rrd_set_error("faild duplication argv entry");
-                free(updvals);
-                free(pdp_temp);  
-                free(tmpl_idx);
-                rrd_free(&rrd);
-                fclose(rrd_file);
-                return(-1);
-         }
-       /* initialize all ds input to unknown except the first one
-           which has always got to be set */
-       for(ii=1;ii<=rrd.stat_head->ds_cnt;ii++) updvals[ii] = "U";
-       ii=0;
-       strcpy(stepper,argv[arg_i]);
-       updvals[0]=stepper;
-       while (*stepper) {
-           if (*stepper == ':') {
-               *stepper = '\0';
-               ii++;
-               if (ii<tmpl_cnt){                   
-                   updvals[tmpl_idx[ii]] = stepper+1;
-               }
-           }
-           stepper++;
-       }
-
-       if (ii != tmpl_cnt-1) {
-           rrd_set_error("expected %lu data source readings (got %lu) from %s:...",
-                         tmpl_cnt-1, ii, argv[arg_i]);
-           free(step_start);
-           break;
-       }
-       
-        /* get the time from the reading ... handle N */
-       if (strcmp(updvals[0],"N")==0){
-           current_time = time(NULL);
-       } else {
-           current_time = atol(updvals[0]);
-       }
-       
-       if(current_time <= rrd.live_head->last_up){
-           rrd_set_error("illegal attempt to update using time %ld when "
-                         "last update time is %ld (minimum one second step)",
-                         current_time, rrd.live_head->last_up);
-           free(step_start);
-           break;
-       }
-       
-       
-       /* seek to the beginning of the rrd's */
-       if (rra_current != rra_begin) {
-           if(fseek(rrd_file, rra_begin, SEEK_SET) != 0) {
-               rrd_set_error("seek error in rrd");
-               free(step_start);
-               break;
-           }
-           rra_current = rra_begin;
-       }
-       rra_start = rra_begin;
-
-       /* when was the current pdp started */
-       proc_pdp_age = rrd.live_head->last_up % rrd.stat_head->pdp_step;
-       proc_pdp_st = rrd.live_head->last_up - proc_pdp_age;
-
-       /* when did the last pdp_st occur */
-       occu_pdp_age = current_time % rrd.stat_head->pdp_step;
-       occu_pdp_st = current_time - occu_pdp_age;
-       interval = current_time - rrd.live_head->last_up;
-    
-       if (occu_pdp_st > proc_pdp_st){
-           /* OK we passed the pdp_st moment*/
-           pre_int =  occu_pdp_st - rrd.live_head->last_up; /* how much of the input data
-                                                             * occurred before the latest
-                                                             * pdp_st moment*/
-           post_int = occu_pdp_age;                         /* how much after it */
-       } else {
-           pre_int = interval;
-           post_int = 0;
-       }
-
-#ifdef DEBUG
-       printf(
-              "proc_pdp_age %lu\t"
-              "proc_pdp_st %lu\t" 
-              "occu_pfp_age %lu\t" 
-              "occu_pdp_st %lu\t"
-              "int %lu\t"
-              "pre_int %lu\t"
-              "post_int %lu\n", proc_pdp_age, proc_pdp_st, 
-               occu_pdp_age, occu_pdp_st,
-              interval, pre_int, post_int);
-#endif
-    
-       /* process the data sources and update the pdp_prep 
-        * area accordingly */
-       for(i=0;i<rrd.stat_head->ds_cnt;i++){
-           enum dst_en dst_idx;
-           dst_idx= dst_conv(rrd.ds_def[i].dst);
-           if((updvals[i+1][0] != 'U') &&
-              rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt >= interval) {
-              double rate = DNAN;
-              /* the data source type defines how to process the data */
-               /* pdp_temp contains rate * time ... eg the bytes
-                * transferred during the interval. Doing it this way saves
-                * a lot of math operations */
-               
-
-               switch(dst_idx){
-               case DST_COUNTER:
-               case DST_DERIVE:
-                   if(rrd.pdp_prep[i].last_ds[0] != 'U'){
-                      pdp_new[i]= rrd_diff(updvals[i+1],rrd.pdp_prep[i].last_ds);
-                      if(dst_idx == DST_COUNTER) {
-                         /* simple overflow catcher sugestet by andres kroonmaa */
-                         /* this will fail terribly for non 32 or 64 bit counters ... */
-                         /* are there any others in SNMP land ? */
-                         if (pdp_new[i] < (double)0.0 ) 
-                           pdp_new[i] += (double)4294967296.0 ;  /* 2^32 */
-                         if (pdp_new[i] < (double)0.0 ) 
-                           pdp_new[i] += (double)18446744069414584320.0; /* 2^64-2^32 */;
-                      }
-                      rate = pdp_new[i] / interval;
-                   }
-                  else {
-                    pdp_new[i]= DNAN;          
-                  }
-                  break;
-               case DST_ABSOLUTE:
-                   pdp_new[i]= atof(updvals[i+1]);
-                   rate = pdp_new[i] / interval;                 
-                   break;
-               case DST_GAUGE:
-                   pdp_new[i] = atof(updvals[i+1]) * interval;
-                   rate = pdp_new[i] / interval;                  
-                   break;
-               default:
-                   rrd_set_error("rrd contains unknown DS type : '%s'",
-                                 rrd.ds_def[i].dst);
-                   break;
-               }
-               /* break out of this for loop if the error string is set */
-               if (rrd_test_error()){
-                   break;
-               }
-              /* make sure pdp_temp is neither too large or too small
-               * if any of these occur it becomes unknown ...
-               * sorry folks ... */
-              if ( ! isnan(rate) && 
-                   (( ! isnan(rrd.ds_def[i].par[DS_max_val].u_val) &&
-                        rate > rrd.ds_def[i].par[DS_max_val].u_val ) ||     
-                   ( ! isnan(rrd.ds_def[i].par[DS_min_val].u_val) &&
-                       rate < rrd.ds_def[i].par[DS_min_val].u_val ))){
-                 pdp_new[i] = DNAN;
-              }               
-           } else {
-               /* no news is news all the same */
-               pdp_new[i] = DNAN;
-           }
-           
-           /* make a copy of the command line argument for the next run */
-#ifdef DEBUG
-           fprintf(stderr,
-                   "prep ds[%lu]\t"
-                   "last_arg '%s'\t"
-                   "this_arg '%s'\t"
-                   "pdp_new %10.2f\n",
-                   i,
-                   rrd.pdp_prep[i].last_ds,
-                   updvals[i+1], pdp_new[i]);
-#endif
-           if(dst_idx == DST_COUNTER || dst_idx == DST_DERIVE){
-               strncpy(rrd.pdp_prep[i].last_ds,
-                       updvals[i+1],LAST_DS_LEN-1);
-               rrd.pdp_prep[i].last_ds[LAST_DS_LEN-1]='\0';
-           }
-       }
-       /* break out of the argument parsing loop if the error_string is set */
-       if (rrd_test_error()){
-           free(step_start);
-           break;
-       }
-       /* has a pdp_st moment occurred since the last run ? */
-
-       if (proc_pdp_st == occu_pdp_st){
-           /* no we have not passed a pdp_st moment. therefore update is simple */
-
-           for(i=0;i<rrd.stat_head->ds_cnt;i++){
-               if(isnan(pdp_new[i]))
-                   rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt += interval;
-               else
-                   rrd.pdp_prep[i].scratch[PDP_val].u_val+= pdp_new[i];
-#ifdef DEBUG
-               fprintf(stderr,
-                       "NO PDP  ds[%lu]\t"
-                       "value %10.2f\t"
-                       "unkn_sec %5lu\n",
-                       i,
-                       rrd.pdp_prep[i].scratch[PDP_val].u_val,
-                       rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt);
-#endif
-           }   
-       } else {
-           /* an pdp_st has occurred. */
-
-           /* in pdp_prep[].scratch[PDP_val].u_val we have collected rate*seconds which 
-            * occurred up to the last run.        
-           pdp_new[] contains rate*seconds from the latest run.
-           pdp_temp[] will contain the rate for cdp */
-
-
-           for(i=0;i<rrd.stat_head->ds_cnt;i++){
-               /* update pdp_prep to the current pdp_st */
-               if(isnan(pdp_new[i]))
-                   rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt += pre_int;
-               else
-                   rrd.pdp_prep[i].scratch[PDP_val].u_val += 
-                       pdp_new[i]/(double)interval*(double)pre_int;
-
-               /* if too much of the pdp_prep is unknown we dump it */
-               if ((rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt 
-                    > rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt) ||
-                   (occu_pdp_st-proc_pdp_st <= 
-                    rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt)) {
-                   pdp_temp[i] = DNAN;
-               } else {
-                   pdp_temp[i] = rrd.pdp_prep[i].scratch[PDP_val].u_val
-                       / (double)( occu_pdp_st
-                                  - proc_pdp_st
-                                  - rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt);
-               }
-               /* make pdp_prep ready for the next run */
-               if(isnan(pdp_new[i])){
-                   rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt = post_int;
-                   rrd.pdp_prep[i].scratch[PDP_val].u_val = 0.0;
-               } else {
-                   rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt = 0;
-                   rrd.pdp_prep[i].scratch[PDP_val].u_val = 
-                       pdp_new[i]/(double)interval*(double)post_int;
-               }
-
-#ifdef DEBUG
-               fprintf(stderr,
-                       "PDP UPD ds[%lu]\t"
-                       "pdp_temp %10.2f\t"
-                       "new_prep %10.2f\t"
-                       "new_unkn_sec %5lu\n",
-                       i, pdp_temp[i],
-                       rrd.pdp_prep[i].scratch[PDP_val].u_val,
-                       rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt);
-#endif
-           }
-
-
-           /* now we have to integrate this data into the cdp_prep areas */
-           /* going through the round robin archives */
-           for(i = 0;
-               i < rrd.stat_head->rra_cnt;
-               i++){
-               enum cf_en current_cf = cf_conv(rrd.rra_def[i].cf_nam);
-               /* going through all pdp_st moments which have occurred 
-                * since the last run */
-               for(pdp_st  = proc_pdp_st+rrd.stat_head->pdp_step; 
-                   pdp_st <= occu_pdp_st; 
-                   pdp_st += rrd.stat_head->pdp_step){
-
-#ifdef DEBUG
-                   fprintf(stderr,"RRA %lu STEP %lu\n",i,pdp_st);
-#endif
-
-                   if((pdp_st %
-                       (rrd.rra_def[i].pdp_cnt*rrd.stat_head->pdp_step)) == 0){
-
-                       /* later on the cdp_prep values will be transferred to
-                        * the rra.  we want to be in the right place. */
-                       rrd.rra_ptr[i].cur_row++;
-                       if (rrd.rra_ptr[i].cur_row >= rrd.rra_def[i].row_cnt)
-                           /* oops ... we have to wrap the beast ... */
-                           rrd.rra_ptr[i].cur_row=0;                   
-#ifdef DEBUG
-                       fprintf(stderr,"  -- RRA Preseek %ld\n",ftell(rrd_file));
-#endif
-                       /* determine if a seek is even needed. */
-                       rra_pos_tmp = rra_start +
-                               rrd.stat_head->ds_cnt*rrd.rra_ptr[i].cur_row*sizeof(rrd_value_t);
-                       if(rra_pos_tmp != rra_current) {
-                           if(fseek(rrd_file, rra_pos_tmp, SEEK_SET) != 0){
-                               rrd_set_error("seek error in rrd");
-                               break;
-                           }
-                           rra_current = rra_pos_tmp;
-                       }
-#ifdef DEBUG
-                       fprintf(stderr,"  -- RRA Postseek %ld\n",ftell(rrd_file));
-#endif
-                   }
-
-                   for(ii = 0;
-                       ii < rrd.stat_head->ds_cnt;
-                       ii++){
-                       iii=i*rrd.stat_head->ds_cnt+ii;
-                   
-                       /* the contents of cdp_prep[].scratch[CDP_val].u_val depends
-                        * on the consolidation function ! */
-                   
-                       if (isnan(pdp_temp[ii])){    /* pdp is unknown */
-                           rrd.cdp_prep[iii].scratch[CDP_unkn_pdp_cnt].u_cnt++;
-#ifdef DEBUG
-                           fprintf(stderr,"  ** UNKNOWN ADD %lu\n",
-                                   rrd.cdp_prep[iii].scratch[CDP_unkn_pdp_cnt].u_cnt);
-#endif
-                       } else {
-                           if (isnan(rrd.cdp_prep[iii].scratch[CDP_val].u_val)){
-                               /* cdp_prep is unknown when it does not
-                                * yet contain data. It can not be zero for
-                                * things like mim and max consolidation
-                                * functions */
-#ifdef DEBUG
-                               fprintf(stderr,"  ** INIT CDP %e\n", pdp_temp[ii]);
-#endif
-                               rrd.cdp_prep[iii].scratch[CDP_val].u_val = pdp_temp[ii];
-                           }
-                           else {
-                               switch (current_cf){
-                                   case CF_AVERAGE:                            
-                                       rrd.cdp_prep[iii].scratch[CDP_val].u_val+=pdp_temp[ii];
-#ifdef DEBUG
-                                       fprintf(stderr,"  ** AVERAGE %e\n", 
-                                               rrd.cdp_prep[iii].scratch[CDP_val].u_val);
-#endif
-                                       break;    
-                                   case CF_MINIMUM:
-                                       if (pdp_temp[ii] < rrd.cdp_prep[iii].scratch[CDP_val].u_val)
-                                           rrd.cdp_prep[iii].scratch[CDP_val].u_val = pdp_temp[ii];
-#ifdef DEBUG
-                                       fprintf(stderr,"  ** MINIMUM %e\n", 
-                                               rrd.cdp_prep[iii].scratch[CDP_val].u_val);
-#endif
-                                       break;
-                                   case CF_MAXIMUM:
-                                       if (pdp_temp[ii] > rrd.cdp_prep[iii].scratch[CDP_val].u_val)
-                                           rrd.cdp_prep[iii].scratch[CDP_val].u_val = pdp_temp[ii];
-#ifdef DEBUG
-                                       fprintf(stderr,"  ** MAXIMUM %e\n", 
-                                               rrd.cdp_prep[iii].scratch[CDP_val].u_val);
-#endif
-                                       break;
-                                   case CF_LAST:
-                                       rrd.cdp_prep[iii].scratch[CDP_val].u_val=pdp_temp[ii];
-#ifdef DEBUG
-                                       fprintf(stderr,"  ** LAST %e\n", 
-                                               rrd.cdp_prep[iii].scratch[CDP_val].u_val);
-#endif
-                                       break;    
-                                   default:
-                                       rrd_set_error("Unknown cf %s",
-                                                     rrd.rra_def[i].cf_nam);
-                                       break;
-                               }
-                           }
-                       }
-
-
-                       /* is the data in the cdp_prep ready to go into
-                        * its rra ? */
-                       if((pdp_st % 
-                           (rrd.rra_def[i].pdp_cnt*rrd.stat_head->pdp_step)) == 0){
-
-                           /* prepare cdp_pref for its transition to the rra. */
-                           if (rrd.cdp_prep[iii].scratch[CDP_unkn_pdp_cnt].u_cnt 
-                               > rrd.rra_def[i].pdp_cnt*
-                               rrd.rra_def[i].par[RRA_cdp_xff_val].u_val)
-                               /* to much of the cdp_prep is unknown ... */
-                               rrd.cdp_prep[iii].scratch[CDP_val].u_val = DNAN;
-                           else if (current_cf == CF_AVERAGE){
-                               /* for a real average we have to divide
-                                * the sum we built earlier on. While ignoring
-                                * the unknown pdps */
-                               rrd.cdp_prep[iii].scratch[CDP_val].u_val 
-                                       /= (rrd.rra_def[i].pdp_cnt
-                                           -rrd.cdp_prep[iii].scratch[CDP_unkn_pdp_cnt].u_cnt);
-                           }
-                           /* we can write straight away, because we are
-                            * already in the right place ... */
-
-#ifdef DEBUG
-                           fprintf(stderr,"  -- RRA WRITE VALUE %e, at %ld\n",
-                                   rrd.cdp_prep[iii].scratch[CDP_val].u_val,ftell(rrd_file));
-#endif
-
-                           if(fwrite(&(rrd.cdp_prep[iii].scratch[CDP_val].u_val),
-                                     sizeof(rrd_value_t),1,rrd_file) != 1){
-                               rrd_set_error("writing rrd");
-                               break;
-                           }
-                           rra_current += sizeof(rrd_value_t);
-                           wrote_to_file = 1;
-
-#ifdef DEBUG
-                           fprintf(stderr,"  -- RRA WROTE new at %ld\n",ftell(rrd_file));
-#endif
-
-                           /* make cdp_prep ready for the next run */
-                           rrd.cdp_prep[iii].scratch[CDP_val].u_val = DNAN;
-                           rrd.cdp_prep[iii].scratch[CDP_unkn_pdp_cnt].u_cnt = 0;
-                       }
-                   }
-                   /* break out of this loop if error_string has been set */
-                   if (rrd_test_error())
-                       break;
-               }
-               /* break out of this loop if error_string has been set */
-               if (rrd_test_error())
-                   break;
-               /* to be able to position correctly in the next rra w move
-                * the rra_start pointer on to the next rra */
-               rra_start += rrd.rra_def[i].row_cnt
-                       *rrd.stat_head->ds_cnt*sizeof(rrd_value_t);
-
-           }
-           /* break out of the argument parsing loop if error_string is set */
-           if (rrd_test_error()){
-               free(step_start);
-               break;
-           }
-       }
-       rrd.live_head->last_up = current_time;
-       free(step_start);
-    }
-
-
-    /* if we got here and if there is an error and if the file has not been
-     * written to, then close things up and return. */
-    if (rrd_test_error()) {
-       free(updvals);
-       free(tmpl_idx);
-       rrd_free(&rrd);
-       free(pdp_temp);
-       free(pdp_new);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    /* aargh ... that was tough ... so many loops ... anyway, its done.
-     * we just need to write back the live header portion now*/
-
-    if (fseek(rrd_file, (sizeof(stat_head_t)
-                        + sizeof(ds_def_t)*rrd.stat_head->ds_cnt 
-                        + sizeof(rra_def_t)*rrd.stat_head->rra_cnt),
-             SEEK_SET) != 0) {
-       rrd_set_error("seek rrd for live header writeback");
-       free(updvals);
-       free(tmpl_idx);
-       rrd_free(&rrd);
-       free(pdp_temp);
-       free(pdp_new);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    if(fwrite( rrd.live_head,
-              sizeof(live_head_t), 1, rrd_file) != 1){
-       rrd_set_error("fwrite live_head to rrd");
-       free(updvals);
-       rrd_free(&rrd);
-       free(tmpl_idx);
-       free(pdp_temp);
-       free(pdp_new);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    if(fwrite( rrd.pdp_prep,
-              sizeof(pdp_prep_t),
-              rrd.stat_head->ds_cnt, rrd_file) != rrd.stat_head->ds_cnt){
-       rrd_set_error("ftwrite pdp_prep to rrd");
-       free(updvals);
-       rrd_free(&rrd);
-       free(tmpl_idx);
-       free(pdp_temp);
-       free(pdp_new);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    if(fwrite( rrd.cdp_prep,
-              sizeof(cdp_prep_t),
-              rrd.stat_head->rra_cnt *rrd.stat_head->ds_cnt, rrd_file) 
-       != rrd.stat_head->rra_cnt *rrd.stat_head->ds_cnt){
-
-       rrd_set_error("ftwrite cdp_prep to rrd");
-       free(updvals);
-       free(tmpl_idx);
-       rrd_free(&rrd);
-       free(pdp_temp);
-       free(pdp_new);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    if(fwrite( rrd.rra_ptr,
-              sizeof(rra_ptr_t), 
-              rrd.stat_head->rra_cnt,rrd_file) != rrd.stat_head->rra_cnt){
-       rrd_set_error("fwrite rra_ptr to rrd");
-       free(updvals);
-       free(tmpl_idx);
-       rrd_free(&rrd);
-       free(pdp_temp);
-       free(pdp_new);
-        fclose(rrd_file);
-       return(-1);
-    }
-
-    /* OK now close the files and free the memory */
-    if(fclose(rrd_file) != 0){
-       rrd_set_error("closing rrd");
-       free(updvals);
-       free(tmpl_idx);
-       rrd_free(&rrd);
-       free(pdp_temp);
-       free(pdp_new);
-       return(-1);
-    }
-
-    rrd_free(&rrd);
-    free(updvals);
-    free(tmpl_idx);
-    free(pdp_new);
-    free(pdp_temp);
-    return(0);
-}
-
-/*
- * get exclusive lock to whole file.
- * lock gets removed when we close the file
- *
- * returns 0 on success
- */
-int
-LockRRD(FILE *rrdfile)
-{
-    int        rrd_fd;         /* File descriptor for RRD */
-    int                        stat;
-
-    rrd_fd = fileno(rrdfile);
-
-       {
-#ifndef WIN32    
-               struct flock    lock;
-    lock.l_type = F_WRLCK;    /* exclusive write lock */
-    lock.l_len = 0;          /* whole file */
-    lock.l_start = 0;        /* start of file */
-    lock.l_whence = SEEK_SET;   /* end of file */
-
-    stat = fcntl(rrd_fd, F_SETLK, &lock);
-#else
-               struct _stat st;
-
-               if ( _fstat( rrd_fd, &st ) == 0 ) {
-                       stat = _locking ( rrd_fd, _LK_NBLCK, st.st_size );
-               } else {
-                       stat = -1;
-               }
-#endif
-       }
-
-    return(stat);
-}