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68 lines
1.7 KiB
Perl
68 lines
1.7 KiB
Perl
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#!/usr/bin/perl -w
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use strict;
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my $verbose = 1;
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####
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# Feed data on stdin from a RIME collect sink
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#
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# Enters data into rimeaddr.rrd
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#
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# Creates rimeaddr.rrd from a template if data shows up from a source and
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# rimeaddr.rrd doesn't exist
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#
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# default template is read from default.rrdtmpl
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#
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# if rimeaddr.rrdtmpl exisits, that is used instead.
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####
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#
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# Templates are shell scripts that create the desired rrd
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#
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####
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# Data messages are in the form of:
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#
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# Sink got message from 1.0, seqno 109, hops 0: len 12 'GPIO29-High'
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#
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#
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my $datapattern = 'Sink got message from ([\d\.]+), seqno \d+, hops \d+: len \d+ \'([\w\d]+-[\w\d]+)\'';
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sub rrdcreate {
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my ($newrrd_filename, $tmpl_filename) = @_;
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open FILE, "$tmpl_filename" or die $!;
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my $tmpl = <FILE>;
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chomp $tmpl;
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print "using template $tmpl found in $tmpl_filename\n" if $verbose;
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`rrdtool create $newrrd_filename $tmpl`;
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}
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while(<>) {
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next if($_ !~ /$datapattern/);
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print("rimeaddr $1 data $2\n") if $verbose;
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my ($ds,$data) = split(/-/,$2);
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print("ds: $ds, data: $data\n") if $verbose;
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if(-e "$1.rrd") {
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# an rrd already exists for this device
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# do an update
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`rrdtool update $1.rrd -t $ds N:$data`
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} else {
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# an rrd for this device doesn't exist yet
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# find a template and make it
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my $tmpl = "DS:speed:COUNTER:600:U:U RRA:AVERAGE:0.5:6:10";
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print "creating new rrd $1.rrd... " if $verbose;
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if(-e "$1.rrdtmpl") {
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rrdcreate("$1.rrd","$1.rrdtmpl");
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`rrdtool update $1.rrd -t $ds N:$data`
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} elsif(-e "default.rrdtmpl") {
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rrdcreate("$1.rrd","default.rrdtmpl");
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`rrdtool update $1.rrd -t $ds N:$data`
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} else {
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print "can't create rrd for $1: no template found\n";
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}
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}
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}
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