Generate day-max/min graph definitions

diff --git a/upsgraph.pl b/upsgraph.pl
index 1e335acd1aa613b9a151140a4cf965b04a967203..c8bc4c6577990bdef651b13e4f47235fc4a15022 100755 (executable)
--- a/upsgraph.pl
+++ b/upsgraph.pl
@@ -184,6 +184,45 @@ sub fetch_tcp_multi(@) {
        %values;
 }
 
+sub dayGraphFunc {
+       my $dataSrc = shift;
+       my $mode = shift;
+       my $color = shift;
+       my $label = shift;
+       my $dataPoints = shift;
+       my @args = ();
+       push @args, "CDEF:prev${mode}1=PREV(${dataSrc})";
+       for (my $i = 1; $i < $dataPoints - 1; ++$i) {
+               my $prev = $i;
+               my $next = $i+1;
+               push @args, "CDEF:prev${mode}${next}=PREV(prev${mode}${prev})";
+       }
+       my $dayCons = '';
+       my $consFunc = '';
+       for (my $i = 1; $i < $dataPoints; ++$i) {
+               $dayCons .= "prev${mode}${i},";
+               $consFunc .= ",${mode}";
+       }
+       push @args, "CDEF:day${mode}=${dayCons}${dataSrc}${consFunc}";
+       push @args, "CDEF:fillCalDay${mode}0=COUNT,${dataPoints},%,0,EQ,day${mode},UNKN,IF";
+       for (my $i = 1; $i < $dataPoints; ++$i) {
+               my $prev = $i-1;
+               my $next = $i;
+               push @args, "CDEF:fillCalDay${mode}${next}=PREV(fillCalDay${mode}${prev})";
+       }
+       my $fillPoint = '';
+       my $if = '';
+       for (my $i = 0; $i < $dataPoints; ++$i) {
+               $fillPoint .= "COUNT,${dataPoints},%,${i},EQ,fillCalDay${mode}${i},";
+               $if .= ",IF";
+       }
+       push @args, "CDEF:${mode}Curve=${fillPoint}UNKN${if}";
+       my $forwardShift = (24*60*60) * ($dataPoints - 1) / $dataPoints;
+       push @args, "SHIFT:${mode}Curve:-${forwardShift}";
+       push @args, "LINE1:${mode}Curve#${color}:${label}";
+       return \@args;
+}
+
 if ($> == 0) {
        if (@ARGV != 2) {
                print STDERR "Running as root, please provide UID as 2th argument!\n";