osd-contiki/tools/csc/csc-compute-neighbor-stats

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#!/usr/bin/perl
$num = 0;
$override_range = $ARGV[0];
# Go through the .csc file; find the transmission range and all the
# nodes' x and y coordinates.
while(<STDIN>) {
if(/\<transmitting_range\>([\d.]+)\<\//) {
$range = $1;
}
if(/\<x\>([\d.]+)\</) {
$x[$num] = $1;
}
if(/\<y\>([\d.]+)\</) {
$y[$num] = $1;
$num++;
}
}
print "Range $range num $num override range $override_range\n";
if($override_range) {
$range = $override_range;
}
$no_neighbors = 0;
$all_neighbors = 0;
$total_neighbors = 0;
# Go through all nodes, find how many are in their range.
for($i = 0; $i < $num; $i++) {
$neighbors = 0;
for($j = 0; $j < $num; $j++) {
if($i != $j) {
if(($x[$i] - $x[$j]) * ($x[$i] - $x[$j]) +
($y[$i] - $y[$j]) * ($y[$i] - $y[$j]) <=
$range * $range) {
$neighbors++;
}
}
}
if($neighbors == 0) {
$no_neighbors++;
}
if($neighbors == $num - 1) {
$all_neighbors++;
}
$total_neighbors += $neighbors;
}
print "Num nodes $num, average neighbors " . ($total_neighbors / $num) .
", $no_neighbors nodes (" . (100 * $no_neighbors / $num) .
"%) have no neighbors, $all_neighbors (" . (100 * $all_neighbors / $num) .
"%) have all nodes as neighbors\n";