From 442870ed2f9e7d98a687a670b0c6bcbb72f7f13e Mon Sep 17 00:00:00 2001 From: oetiker Date: Sun, 4 Mar 2001 12:32:07 +0000 Subject: [PATCH] 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 --- src/rrdupdate.c | 807 -------------------------------------------------------- 1 file changed, 807 deletions(-) delete mode 100644 src/rrdupdate.c diff --git a/src/rrdupdate.c b/src/rrdupdate.c deleted file mode 100644 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 -#include - -#ifdef WIN32 - #include - #include - #include -#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 \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 (ids_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_ids_cnt;ii++) updvals[ii] = "U"; - ii=0; - strcpy(stepper,argv[arg_i]); - updvals[0]=stepper; - while (*stepper) { - if (*stepper == ':') { - *stepper = '\0'; - ii++; - if (iilast_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;ids_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;ids_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;ids_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); -} -- 2.11.0