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#!/usr/bin/perl |
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|
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use warnings; |
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use strict; |
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|
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my $graph; |
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|
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my ($max,$min); |
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|
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foreach my $file ( glob '*/*.np' ) { |
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|
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my $direction = $file; |
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$direction =~ s/\.np$//; |
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my ( $from, $to ) = split(m{/},$direction,2); |
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|
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my $line = `tail -1 $file`; |
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$line =~ s{^\s+}{}; |
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$line =~ s{\s+$}{}; |
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my ( $size, $speed, $rtt ) = split(/\s+/, $line); |
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|
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warn "$from -> $to | $size | $speed | $rtt\n"; |
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|
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my $len = int($speed / 100); |
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|
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my $rev = qq|"$to" -> "$from"|; |
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|
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# make edge bi-directional if speed difference is less then 10% |
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if ( $graph->{$rev} && abs($graph->{$rev}->{speed}->[0] - $speed) < ($speed/10) ) { |
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$graph->{$rev}->{speed}->[1] = int($speed); |
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$graph->{$rev}->{dir} = 'both'; |
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} else { |
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$graph->{ qq|"$from" -> "$to"| } = { |
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size => $size, |
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speed => [ int($speed) ], |
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rtt => $rtt, |
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dir => 'forward', |
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}; |
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} |
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|
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$min ||= $speed; |
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$min = $speed if $speed < $min; |
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|
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$max ||= $speed; |
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$max = $speed if $speed > $max; |
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|
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} |
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|
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warn "# speed $min ... $max\n"; |
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|
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print qq| |
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digraph "netpipe" { |
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|, |
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join("\n", map { |
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my $node = $_; |
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my @speed = @{ $graph->{$node}->{speed} }; |
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my $speed = 0; |
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$speed += $_ foreach @speed; |
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$speed /= $#speed + 1; |
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my $c = 'ff0000'; |
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$c = '00ff00' if ( $speed / 100 ) > 5; |
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$c = '0000ff' if ( $speed / 1000 ) > 1; |
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$c = '8888ff' if ( $speed / 1000 ) > 2; |
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my $label = qq|labelfontsize=10,weight=$speed,|; |
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$label .= qq|headlabel=$speed[0],| if $speed[0]; |
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$label .= qq|taillabel=$speed[1],| if $speed[1]; |
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$label .= qq|style=dashed,| if $graph->{$node}->{dir} eq 'both'; |
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qq|$node [ $label color="#$c",dir=$graph->{$node}->{dir} ]|; |
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} keys %$graph), |
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qq| |
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} |
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|; |
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|