Add att IODEVSTATS to log Stats fpr IODEVs

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@507 2b470e98-0d58-463d-a4d8-8e2adae1ed80
This commit is contained in:
parix
2009-12-14 20:09:07 +00:00
parent 0937bec2ec
commit 68714286a3

View File

@@ -4,8 +4,8 @@
# Feedback: http://groups.google.com/group/fhem-users
# Logging to RRDs
# Autor: a[PUNKT]r[BEI]oo2p[PUNKT]net
# Stand: 09.09.2009
# Version: 0.0.9
# Stand: 14.12.2009
# Version: 0.0.91
# Übersetzung in "Richtiges English" sind willkommen ;-))
#*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA
#######################################################################
@@ -31,6 +31,15 @@
# For each READINNG you can create seperate RRD-Definitions:
# %data{RRD_LOG}{DEV_TYPE}{READINGS} = RRD_LOG_TYPE
#
# NEW:
# attr -> IODEVSTATS
# If set RRD_Log will log RRS and MSGCNT
# <IDOEV-Name>/<DEVICE_Name>_rssi RRD: RRD_Log_5minGAUGE
# <IDOEV-Name>/<DEVICE_Name>_msgcnt RRD: RRD_Log_5minCOUNTER
# also
# <IDOEV-Name>_MSGCNT -> Counter for received Messeages by this IODEV
# <IDOEV-Name>/RAWMSGCOUNT.rrd
#
#*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA*BETA
#######################################################################
package main;
@@ -49,7 +58,7 @@ RRD_Log_Initialize($)
$hash->{DefFn} = "RRD_Log_Define";
$hash->{SetFn} = "RRD_Log_Set";
$hash->{NotifyFn} = "RRD_Log_Notify";
$hash->{AttrList} = "do_not_notify:0,1 loglevel:0,5 disable:0,1";
$hash->{AttrList} = "do_not_notify:0,1 loglevel:0,5 disable:0,1 IODEVSTATS";
# Global RRDLog conf
# Mapping READING to RRD-File-Config
@@ -59,31 +68,41 @@ RRD_Log_Initialize($)
$data{RRD_LOG}{READING}{FHT}{'measured-temp'} = "RRD_Log_15minGAUGE";
$data{RRD_LOG}{READING}{FHT}{'desired-temp'} = "RRD_Log_15minGAUGE";
$data{RRD_LOG}{READING}{FHT}{'actuator'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{FHT}{'rssi'} = "RRD_Log_5minGAUGE";
#HMS
$data{RRD_LOG}{READING}{HMS}{'temperature'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{HMS}{'humidity'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{HMS}{'rssi'} = "RRD_Log_5minGAUGE";
# KS300
$data{RRD_LOG}{READING}{KS300}{'rain'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{KS300}{'rain_now'} = "RRD_Log_5minCOUNTER";
$data{RRD_LOG}{READING}{KS300}{'rain_15min'} = "RRD_Log_15minGAUGE";
$data{RRD_LOG}{READING}{KS300}{'rain_now'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{KS300}{'rain'} = "RRD_Log_5minCOUNTER";
$data{RRD_LOG}{READING}{KS300}{'temperature'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{KS300}{'humidity'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{KS300}{'wind'} = "RRD_Log_5minGAUGE";
# CUL_WS => S55TH&S300TH
$data{RRD_LOG}{READING}{CUL_WS}{'temperature'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{CUL_WS}{'humidity'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{CUL_WS}{'rssi'} = "RRD_Log_5minGAUGE";
#CUL_EM
$data{RRD_LOG}{READING}{CUL_EM}{'current'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{CUL_EM}{'rssi'} = "RRD_Log_5minGAUGE";
#FS20
$data{RRD_LOG}{READING}{FS20}{'state'} = "RRD_Log_10secGAUGE";
# IODEVSTATS=CUL
$data{RRD_LOG}{READING}{CUL}{'msg'} = "RRD_Log_5minCOUNTER";
$data{RRD_LOG}{READING}{CUL}{'rssi'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{CUL}{'RAWMSGCOUNT'} = "RRD_Log_5minGAUGE";
# IODEVSTATS=FHZ
$data{RRD_LOG}{READING}{FHZ}{'msg'} = "RRD_Log_5minCOUNTER";
$data{RRD_LOG}{READING}{FHZ}{'rssi'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{FHZ}{'RAWMSGCOUNT'} = "RRD_Log_5minGAUGE";
# IODEVSTATS=CUL_RFR
$data{RRD_LOG}{READING}{CUL_RFR}{'msg'} = "RRD_Log_5minCOUNTER";
$data{RRD_LOG}{READING}{CUL_RFR}{'rssi'} = "RRD_Log_5minGAUGE";
$data{RRD_LOG}{READING}{CUL_RFR}{'RAWMSGCOUNT'} = "RRD_Log_5minGAUGE";
# temp. save Path to RRDs
# $data{RRD_LOG}{RRDS}{<DEVICE-NAME>}{<READING>} = $rrd_path
# reset RRS
delete $data{RRD_LOG}{RRDS};
#RESET RAWMSGCNT
delete $data{RRD_LOG}{RAWMSGCOUNT}
}
#######################################################################
sub RRD_Log_Define()
@@ -128,8 +147,24 @@ sub RRD_Log_Set() {
delete($hash->{READINGS}{$a[2]})
}
}
if($a[1] eq "ADD")
{
if($a[1] eq "ADDTYPE") {
my $add_type = $a[2];
if(!defined($data{RRD_LOG}{READING}{$add_type})) {return "RRDLOG[SET::ERROR] $a[2] => Unkown Type";}
my ($reading,$reading_list);
foreach $reading (keys %{$data{RRD_LOG}{READING}{$add_type}}) {
$reading_list .= ":" . $reading;
}
$reading_list = reverse($reading_list);
chop($reading_list);
$reading_list = reverse($reading_list);
my ($device);
foreach $device (sort keys %defs) {
next if($defs{$device}{TYPE} ne $add_type);
$hash->{READINGS}{$device}{TIME} = TimeNow();
$hash->{READINGS}{$device}{VAL} = $reading_list;
}
}
if($a[1] eq "ADD") {
# Device check
if(!defined($defs{$a[2]})) {return "RRDLOG[SET::ERROR] $a[2] => Unkown Device";}
# Mindestens 3 Parameter
@@ -167,6 +202,7 @@ sub RRD_Log_Notify() {
Log $ll,"RRDLOG[Notify::ERROR] $dev_name => Not configured";
return undef;}
# Readings configured
### if $d_reading =~ m//
my %dev_name_readings;
foreach my $d_reading (split(/:/,$defs{$my_name}{READINGS}{$dev_name}{VAL})) {
$dev_name_readings{$d_reading} = 1 ;
@@ -174,7 +210,60 @@ sub RRD_Log_Notify() {
my $max = int(@{$defs{$dev_name}{CHANGED}});
my ($changed_reading, $changed_value);
#FS20 => CHANGED => [on],
my $timestamp = time();
# IODEVSTATS
if(defined($attr{$my_name}{IODEVSTATS}) && defined($defs{$dev_name}{LASTIODev})){
Log $ll,"RRDLOG|IODEVSTATS|$dev_name: " . $defs{$dev_name}{LASTIODev};
# 'LASTIODev' => 'MyCUL',MyCUN_MSGCNT' => 1,MyCUN_RSSI' => '-79.5',
# Aufruf RRD_Log_disptach_reading(RRD_LOG,LASTIODev,READING,VALUE,$timestamp);
# Maximal 19 Zeichen DS-Name
my $LASTIODev = $defs{$dev_name}{LASTIODev};
my $iostat_reading = $dev_name . "_rssi";
my $iostat_index = $LASTIODev . "_RSSI";
$iostat_reading =~ s/\./_/g ;
my $cul_rssi_return;
if(defined($defs{$dev_name}{$iostat_index})){
my $iodev_rssi = $defs{$dev_name}{$iostat_index};
# RSSI ist negativ...wollen aber nur positive Werte
if($iodev_rssi =~ m/-/){$iodev_rssi =~ s/-//;}
Log $ll,"RRDLOG|IODEVSTATS|RSSI|RRD_Log_disptach_reading: $self,$LASTIODev,$iostat_reading ,$iodev_rssi,$timestamp";
$cul_rssi_return = &RRD_Log_disptach_reading($self,$LASTIODev,$iostat_reading ,$iodev_rssi,$timestamp);
}
$iostat_index = $LASTIODev . "_MSGCNT";
$iostat_reading = $dev_name . "_msg";
$iostat_reading =~ s/\./_/g ;
my $iodev_msgcnt = $defs{$dev_name}{$iostat_index };
Log $ll,"RRDLOG|IODEVSTATS|MSGCNT|RRD_Log_disptach_reading: $self,$LASTIODev,$iostat_reading ,$iodev_msgcnt,$timestamp";
$cul_rssi_return = &RRD_Log_disptach_reading($self,$LASTIODev,$iostat_reading ,$iodev_msgcnt,$timestamp);
#RAWMSGCOUNT
# 5min Werte = 300sec
if(defined($defs{$LASTIODev}{"${LASTIODev}_MSGCNT"})){
#INIT
my $tsecs = time();
my $secs = 300;
if(!defined($data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev})){
$data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev}{TSECS} = $tsecs;
$data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev}{CNT} = $defs{$LASTIODev}{"${LASTIODev}_MSGCNT"};
Log $ll,"RRDLOG|IODEVSTATS|RAWMSGCOUNT|$LASTIODev|INIT:" . $defs{$LASTIODev}{"${LASTIODev}_MSGCNT"};
}
#Calculate
my $calc_next = $tsecs - $data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev}{TSECS};
Log $ll,"RRDLOG|IODEVSTATS|RAWMSGCOUNT|$LASTIODev|calc_next: $calc_next";
if($calc_next > $secs) {
$iodev_msgcnt = $defs{$LASTIODev}{RAWMSGCOUNT} - $data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev}{CNT};
$iostat_reading = "RAWMSGCOUNT";
Log $ll,"RRDLOG|IODEVSTATS|RAWMSGCOUNT|$LASTIODev|RRD_Log_disptach_reading: $self,$LASTIODev,$iostat_reading ,$iodev_msgcnt,$timestamp";
$cul_rssi_return = &RRD_Log_disptach_reading($self,$LASTIODev,$iostat_reading ,$iodev_msgcnt,$timestamp);
$data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev}{TSECS} = $tsecs;
$data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev}{CNT} = $defs{$LASTIODev}{RAWMSGCOUNT};
$data{RRD_LOG}{RAWMSGCOUNT}{$LASTIODev}{LAST} = $iodev_msgcnt;
Log $ll,"RRDLOG|IODEVSTATS|RAWMSGCOUNT|$LASTIODev|Update: $tsecs|" . $defs{$LASTIODev}{RAWMSGCOUNT} . "|$iodev_msgcnt";
}
}
#RAWMSGCOUNT
}
# IODEVSTATS
# Loop $def{<NAME>}{CHANGED}[i]
for(my $i = 0; $i < $max; $i++) {
Log $ll,"RRDLOG[Notify] $dev_name => " . $defs{$dev_name}{CHANGED}[$i];
# Handle Changed READINGS
@@ -188,12 +277,11 @@ sub RRD_Log_Notify() {
}
Log $ll, "RRDLOG[Notify] $dev_name => $changed_reading => $changed_value";
#Trim
$changed_reading =~ s/^\s+//;
$changed_reading =~ s/\s+$//;
$changed_value =~ s/^\s+//;
$changed_value =~ s/\s+$//;
if($changed_reading =~ m/^\s+/) {$changed_reading =~ s/^\s+//;}
if($changed_reading =~ m/\s+$/) {$changed_reading =~ s/\s+$//;}
if($changed_reading =~ m/^\s+/) {$changed_value =~ s/^\s+//;}
if($changed_reading =~ m/\s+$/) {$changed_value =~ s/\s+$//;}
next if (!defined($dev_name_readings{$changed_reading}));
my $timestamp = time();
my $rrd_dispatch_return = &RRD_Log_disptach_reading($self,$dev_name,$changed_reading,$changed_value,$timestamp);
}
}
@@ -204,7 +292,7 @@ sub RRD_Log_disptach_reading($$$) {
my $ll = $attr{$self->{NAME}}{'loglevel'};
Log $ll, "RRDLOG[Disptach] $changed_device => $changed_reading => $changed_value";
# Reading To Number
$changed_value = &RRD_Log_ReadingToNumber($changed_value);
$changed_value = &RRD_Log_ReadingToNumber($changed_value,$ll);
Log $ll, "RRDLOG[Disptach] $changed_device => $changed_reading => $changed_value";
if(!defined($changed_value)) {
Log 0, "RRDLOG[Disptach::ERROR] Invalid Value = $changed_value";
@@ -233,18 +321,15 @@ sub RRD_Log_disptach_reading($$$) {
}
# Create New RRD or Add to hash
my $changed_device_type = $defs{$changed_device}{TYPE};
if(!defined($data{RRD_LOG}{READING}{$changed_device_type}{$changed_reading})) {return undef;}
Log $ll, "RRDLOG[Disptach] $changed_device => Type => $changed_device_type";
# Falls fuer DEVICE-TYPE eine spezielle Funktion definiert wurde
if(defined($data{RRD_LOG}{READING}{$changed_device_type}{FUNCTION})){
# Function handles the RRDs
my $device_function = $data{RRD_LOG}{READING}{$changed_device_type}{FUNCTION};
no strict "refs";
my $device_function_return = &$device_function($self,$changed_device,$changed_reading);
use strict "refs";
return undef;
#CUL-Weiche
if($changed_device_type eq "CUL" && $changed_device_type eq "FHZ" && $changed_device_type eq "CUL_RFR"){
if(!defined($data{RRD_LOG}{READING}{$changed_device_type}{$changed_reading})) {
Log $ll, "RRDLOG|Disptach|CUL_WEICHE: $changed_device Type $changed_device_type not configured";
return undef;}
}
# Pruefen on File bereits existiert un nur im HASH nachgetragen werden muss
Log $ll, "RRDLOG[Disptach] $changed_device => Type => $changed_device_type";
# Pruefen on File bereits existiert und nur im HASH nachgetragen werden muss
# Falls nein => NEU ANLAGE
# File exists
# Timestamp
@@ -266,7 +351,7 @@ sub RRD_Log_disptach_reading($$$) {
Log $ll, "RRDLOG[Disptach] $changed_device => $changed_reading => RRD-Update: $rrd_update";
RRDs::update ($rrd_file , $rrd_update);
$rrd_new = RRDs::last ($rrd_file);
Log 0, "RRDLOG[Disptach] $changed_device => $changed_reading => RRDS $rrd_last => $rrd_new";
Log $ll, "RRDLOG[Disptach] $changed_device => $changed_reading => RRDS $rrd_last => $rrd_new";
return undef;
}
# NEU ANLAGE
@@ -276,7 +361,21 @@ sub RRD_Log_disptach_reading($$$) {
$rrd_path_ok=mkdir($rrd_path,0777);
}
no strict "refs";
my $rrd_create_func = $data{RRD_LOG}{READING}{$changed_device_type}{$changed_reading};
my $rrd_create_func;
if($changed_device_type eq "CUL" && $changed_device_type eq "FHZ" && $changed_device_type eq "CUL_RFR"){
my $cul_reading;
if(lc($changed_reading) =~ m/_rssi$/){$cul_reading = "rssi";}
if(lc($changed_reading) =~ m/_msg$/){$cul_reading = "msg";}
if(lc($changed_reading) eq "RAWMSGCOUNT"){$cul_reading = "RAWMSGCOUNT";}
$rrd_create_func = $data{RRD_LOG}{READING}{"CUL"}{$cul_reading};
Log $ll, "RRDLOG[Disptach] CUL -> rrd_create_func = $rrd_create_func";
}
else {$rrd_create_func = $data{RRD_LOG}{READING}{$changed_device_type}{$changed_reading};}
if(!defined($rrd_create_func)){
Log $ll, "RRDLOG|Disptach|rrd_create_func|ERROR: Function not defined";
return undef;
}
$rrd_file = &$rrd_create_func($self,$changed_device,$changed_reading,$rrd_file,$timestamp);
use strict "refs";
if($rrd_file) {
@@ -295,30 +394,40 @@ sub RRD_Log_disptach_reading($$$) {
}
########################################################################
sub RRD_Log_ReadingToNumber($)
sub RRD_Log_ReadingToNumber($$)
{
# Input: reading z.B. 21.1 (Celsius) oder dim10%, on-for-oldtimer etc.
# Output: 21.1 oder 10
# ERROR = undef
# Alles außer Nummern loeschen $t =~ s/[^0123456789.]//g;
my $in = shift;
Log 5, "RRDLOG[ReadingToNumber] In => $in";
my ($in,$ll) = @_;
Log $ll, "RRDLOG[ReadingToNumber] In => $in";
# Bekannte READINGS FS20 Devices oder FHT
if($in =~ /^on|Switch.*on|israining:.*yes|^yes/i) {$in = 10;}
if($in =~ /^off|Switch.*off|lime-protection|syncnow|israining:.*no|^no/i) {$in = 5;}
if($in =~ /^off|Switch.*off|toggle|israining:.*no|^no/i) {$in = 5;}
if($in =~ /lime-protection|syncnow/i) {$in = 0;}
# Keine Zahl vorhanden
if($in !~ /\d{1}/) {return undef;}
if($in !~ /\d{1}/) {
Log $ll, "RRDLOG[ReadingToNumber] No Number: $in";
return undef;}
# Mehrfachwerte in READING z.B. CUM_DAY: 5.040 CUM: 334.420 COST: 0.00
my @b = split(' ', $in);
if(int(@b) gt 2) {return undef;}
if(int(@b) gt 2) {
Log $ll, "RRDLOG[ReadingToNumber] CUM_DAY: $in";
return undef;}
# Nur noch Zahlen z.B. dim10% = 10 oder 21.1 (Celsius) = 21.1
$in =~ s/[^0123456789.]//g;
Log 5, "RRDLOG[ReadingToNumber] Out => $in";
if (int(@b) eq 2){
Log $ll, "RRDLOG[ReadingToNumber] Split:WhiteSpace-0- $b[0]";
$in = $b[0];
}
$in =~ s/[^0123456789\.-]//g;
Log $ll, "RRDLOG[ReadingToNumber] Out => $in";
return scalar($in);
}
################################################################################
sub RRD_Log_5minGAUGE($$$){
my ($self,$changed_device,$changed_reading,$rrd_file,$timestamp) = @_;
# Log 0, "RRDLOG-5min- $self,$changed_device,$changed_reading,$rrd_file,$timestamp";
# Create RRD
# Tagesverlauf: Alle 5 min ein neuer Wert
# --step 300
@@ -340,7 +449,7 @@ sub RRD_Log_5minGAUGE($$$){
# RRA:MAX:0.5:48:7300
# Last 100 Werte
# RRD:LAST:1:1:100
Log 0, "RRDLOG[5minCOUNTER] => NEW RRD-FILE => $rrd_file => Start: $timestamp";
RRDs::create($rrd_file,
"--step=120",
"--start=$timestamp",
@@ -349,9 +458,12 @@ sub RRD_Log_5minGAUGE($$$){
"RRA:MAX:0.5:48:7300",
"RRA:AVERAGE:0.5:3:17280",
"RRA:AVERAGE:0.5:6:262800",
"RRA:AVERAGE:0.5:1:1440") or die "RRDLOG[ERROR]: Create RRD error: ($RRDs::error)";
return $rrd_file;
"RRA:AVERAGE:0.5:1:1440");
my $ERR=RRDs::error;
if (defined($ERR)) {
Log 0, "RRDLOG[5minGAUGE]::ERROR Create RRD: $ERR";
return undef;}
else {return $rrd_file;}
}
################################################################################
sub RRD_Log_5minCOUNTER($$$){
@@ -373,23 +485,20 @@ sub RRD_Log_5minCOUNTER($$$){
# RRA:AVERAGE:0.5:6:262800
# Min/Max Werte = 4 pro Tag für 5 Jahre
# (4*60)/5min = 48; 4 Werte/Tag * 365 * 5 = 7300
# RRA:MIN:0.5:48:7300
# RRA:MAX:0.5:48:7300
# Last 100 Werte
# RRD:LAST:1:1:100
Log 0, "RRDLOG[5minCOUNTER] => NEW RRD-FILE => $rrd_file => Start: $timestamp";
RRDs::create($rrd_file,
"--step=120",
"--start=$timestamp",
"DS:$changed_reading:COUNTER:900:-20:100",
"RRA:MIN:0.5:48:7300",
"RRA:MAX:0.5:48:7300",
"DS:$changed_reading:COUNTER:900:0:1000",
"RRA:AVERAGE:0.5:3:17280",
"RRA:AVERAGE:0.5:6:262800",
"RRA:AVERAGE:0.5:1:1440") or die "RRDLOG[ERROR]: Create RRD error: ($RRDs::error)";
return $rrd_file;
"RRA:AVERAGE:0.5:1:1440");
my $ERR=RRDs::error;
if (defined($ERR)) {
Log 0, "RRDLOG[5minCOUNTER]::ERROR Create RRD: $ERR";
return undef;}
else {return $rrd_file;}
}
################################################################################
sub RRD_Log_15minGAUGE($$$){
@@ -422,9 +531,12 @@ sub RRD_Log_15minGAUGE($$$){
"RRA:MAX:0.5:12:7300",
"RRA:AVERAGE:0.5:1:2880",
"RRA:AVERAGE:0.5:2:43400",
"RRA:AVERAGE:0.5:1:1880") or die "RRDLOG[ERROR]: Create RRD error: ($RRDs::error)";
return $rrd_file;
"RRA:AVERAGE:0.5:1:1880");
my $ERR=RRDs::error;
if (defined($ERR)) {
Log 0, "RRDLOG[15minGAUGE]::ERROR Create RRD: $ERR";
return undef;}
else {return $rrd_file;}
}
################################################################################
sub RRD_Log_10secGAUGE($$$){
@@ -442,8 +554,12 @@ sub RRD_Log_10secGAUGE($$$){
"--start=$timestamp",
"DS:$changed_reading:GAUGE:10:-100:100",
"RRA:AVERAGE:0.5:1:43200",
"RRA:AVERAGE:0.5:90:17280") or die "RRDLOG[ERROR]: Create RRD error: ($RRDs::error)";
return $rrd_file;
"RRA:AVERAGE:0.5:90:17280");
my $ERR=RRDs::error;
if (defined($ERR)) {
Log 0, "RRDLOG[10secGAUGE]::ERROR Create RRD: $ERR";
return undef;}
else {return $rrd_file;}
}
################################################################################
sub RRD_Log_10minDERIVE($$$){
@@ -460,7 +576,11 @@ sub RRD_Log_10minDERIVE($$$){
"DS:$changed_reading:DERIVE:120:0:1000",
"RRA:MAX:0.5:1:7300",
"RRA:AVERAGE:0.5:12:7300",
"RRA:AVERAGE:0.5:1:4320") or die "RRDLOG[ERROR]: Create RRD error: ($RRDs::error)";
return $rrd_file;
"RRA:AVERAGE:0.5:1:4320");
my $ERR=RRDs::error;
if (defined($ERR)) {
Log 0, "RRDLOG[10minDERIVE]::ERROR Create RRD: $ERR";
return undef;}
else {return $rrd_file;}
}
1;