X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=blobdiff_plain;f=bindings%2Fperl-shared%2FRRDs.pm;h=c38b6c95060484a4b54334d7d94ab31afa6c2b7c;hp=77aafe7d9cbae307b4ea9412f3ff2830f59b9c13;hb=2a9b0ff9cf29cf82b7b12ea80889c59273d66008;hpb=556f0365aa699c7dd4b6b08437f7c667abdf3c42 diff --git a/bindings/perl-shared/RRDs.pm b/bindings/perl-shared/RRDs.pm index 77aafe7..c38b6c9 100644 --- a/bindings/perl-shared/RRDs.pm +++ b/bindings/perl-shared/RRDs.pm @@ -7,7 +7,7 @@ use vars qw(@ISA $VERSION); require DynaLoader; -$VERSION=1.2012; +$VERSION=1.4002; bootstrap RRDs $VERSION; @@ -33,14 +33,15 @@ RRDs - Access RRDtool as a shared module RRDs::times(start, end) RRDs::dump ... RRDs::restore ... + RRDs::flushcached ... =head1 DESCRIPTION =head2 Calling Sequence -This module accesses RRDtool functionality directly from within perl. The +This module accesses RRDtool functionality directly from within Perl. The arguments to the functions listed in the SYNOPSIS are explained in the regular -RRDtool documentation. The commandline call +RRDtool documentation. The command line call rrdtool update mydemo.rrd --template in:out N:12:13 @@ -82,10 +83,10 @@ B returns a single INTEGER representing the last update time. $lastupdate = RRDs::last ... -B returns an pointer to an ARRAY containing the x-size and y-size of the -created image and results of the PRINT arguments. +B returns an ARRAY containing the x-size and y-size of the +created image and a pointer to an array with the results of the PRINT arguments. - ($averages,$xsize,$ysize) = RRDs::graph ... + ($result_arr,$xsize,$ysize) = RRDs::graph ... print "Imagesize: ${xsize}x${ysize}\n"; print "Averages: ", (join ", ", @$averages); @@ -98,6 +99,12 @@ the values of the properties. print "$key = $$hash{$key}\n"; } +B takes the same parameters as B but it returns a +pointer to hash. The hash returned contains meta information about the +graph. Like its size as well as the position of the graph area on the image. +When calling with and empty filename than the contents of the graph will be +returned in the hash as well (key 'image'). + B also returns a pointer to hash. The keys of the hash are concatenated strings of a timestamp, RRA index, and data source name for each consolidated data point (CDP) written to disk as a result of the @@ -113,10 +120,10 @@ integers, a pointer to an array and a pointer to a array of pointers. print "DS names: ", join (", ", @$names)."\n"; print "Data points: ", $#$data + 1, "\n"; print "Data:\n"; - foreach my $line (@$data) { + for my $line (@$data) { print " ", scalar localtime($start), " ($start) "; $start += $step; - foreach my $val (@$line) { + for my $val (@$line) { printf "%12.1f ", $val; } print "\n"; @@ -129,8 +136,8 @@ See the examples directory for more ways to use this extension. =head1 NOTE -If you are manipulating the TZ variable you should also call the posixs -function tzset to initialize all internal state of the library for properly +If you are manipulating the TZ variable you should also call the POSIX +function L to initialize all internal state of the library for properly operating in the timezone of your choice. use POSIX qw(tzset); @@ -140,6 +147,6 @@ operating in the timezone of your choice. =head1 AUTHOR -Tobias Oetiker Eoetiker@ee.ethz.chE +Tobias Oetiker Etobi@oetiker.chE =cut