X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_update.c;h=e74f7e6137c1d33599198e88cd31fee894553ce2;hb=9e6db622e8756105c1322481b34650ecbe15da1a;hp=6296cfed50e66073960f714189ee357b3683be9c;hpb=0881b8848ab8c1cb9b50db4599d4adc9391a774d;p=rrdtool.git diff --git a/src/rrd_update.c b/src/rrd_update.c index 6296cfe..e74f7e6 100644 --- a/src/rrd_update.c +++ b/src/rrd_update.c @@ -1,5 +1,5 @@ /***************************************************************************** - * RRDtool 1.2.12 Copyright by Tobi Oetiker, 1997-2005 + * RRDtool 1.2.14 Copyright by Tobi Oetiker, 1997-2006 ***************************************************************************** * rrd_update.c RRD Update Function ***************************************************************************** @@ -231,7 +231,7 @@ _rrd_update(char *filename, char *tmplt, int argc, char **argv, * spot in the rrd file. */ unsigned long rra_pos_tmp; /* temporary byte pointer. */ double interval, - pre_int,post_int; /* interval between this and + 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 */ @@ -623,7 +623,7 @@ _rrd_update(char *filename, char *tmplt, int argc, char **argv, (dst_idx != DST_CDEF) && rrd.ds_def[i].par[DS_mrhb_cnt].u_cnt >= interval) { double rate = DNAN; - /* the data source type defines how to process the data */ + /* the data source type defines how to process the data */ /* pdp_new contains rate * time ... eg the bytes * transferred during the interval. Doing it this way saves * a lot of math operations */ @@ -707,6 +707,7 @@ _rrd_update(char *filename, char *tmplt, int argc, char **argv, /* 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 @@ -736,9 +737,12 @@ _rrd_update(char *filename, char *tmplt, int argc, char **argv, /* 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 += floor(interval+0.5); - else { + if(isnan(pdp_new[i])) { + /* this is not realy accurate if we use subsecond data arival time + should have thought of it when going subsecond resolution ... + sorry next format change we will have it! */ + rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt += floor(interval); + } else { if (isnan( rrd.pdp_prep[i].scratch[PDP_val].u_val )){ rrd.pdp_prep[i].scratch[PDP_val].u_val= pdp_new[i]; } else { @@ -765,9 +769,12 @@ _rrd_update(char *filename, char *tmplt, int argc, char **argv, for(i=0;ids_cnt;i++){ /* update pdp_prep to the current pdp_st. */ - + double pre_unknown = 0.0; if(isnan(pdp_new[i])) - rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt += floor(pre_int+0.5); + /* a final bit of unkonwn to be added bevore calculation + * we use a tempaorary variable for this so that we + * don't have to turn integer lines before using the value */ + pre_unknown = pre_int; else { if (isnan( rrd.pdp_prep[i].scratch[PDP_val].u_val )){ rrd.pdp_prep[i].scratch[PDP_val].u_val= pdp_new[i]/interval*pre_int; @@ -790,9 +797,9 @@ _rrd_update(char *filename, char *tmplt, int argc, char **argv, 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); + / ((double)(occu_pdp_st - proc_pdp_st + - rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt) + -pre_unknown); } /* process CDEF data sources; remember each CDEF DS can @@ -817,7 +824,10 @@ _rrd_update(char *filename, char *tmplt, int argc, char **argv, /* make pdp_prep ready for the next run */ if(isnan(pdp_new[i])){ - rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt = floor(post_int + 0.5); + /* this is not realy accurate if we use subsecond data arival time + should have thought of it when going subsecond resolution ... + sorry next format change we will have it! */ + rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt = floor(post_int); rrd.pdp_prep[i].scratch[PDP_val].u_val = DNAN; } else { rrd.pdp_prep[i].scratch[PDP_unkn_sec_cnt].u_cnt = 0;