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#!/usr/bin/php
<?php
$nodes = array();
$file = STDIN;
while (!feof($file)) {
$line = stream_get_line($file, 1024, "\n");
if ($line === NULL) break;
if (!strlen($line)) continue;
$pathnodes = explode(' ', $line);
$prevnode = NULL;
foreach ($pathnodes as $node) {
if ($prevnode && $node) $nodes[$prevnode][$node] = 1;
$prevnode = $node;
}
}
foreach ($nodes as $node => $links) {
foreach ($links as $link => $dummy) {
if ($node != $link && isset($nodes[$node][$link]) && isset($nodes[$link][$node])) unset($nodes[$link][$node]);
}
}
function static_nodename ($node) { switch ($node) {
// case '64731': return 'SRN (AS64731)';
// case '64766': return 'UFO (AS64766)';
}; return NULL; };
function nodenickname ($node) { switch ($node) {
case '64731': return 'SRN';
case '64766': return 'UFO';
case '3090': return 'lex';
}; return NULL; };
function nodename ($node) {
$node=preg_replace('/[^0-9]+/','',$node);
if (($name=static_nodename($node))!==NULL) return $name;
$nameparts=array();
if (($nick=nodenickname($node))!==NULL) $nameparts[]=$nick;
$name=""; // rtrim(`echo $node | ./asn2adminc | ./hdl2person`);
if (empty($name)) $name='AS'.$node; else $name="AS$node ($name)";
$nameparts[]=$name;
return join(' - ',$nameparts); };
$nodelist=array();
foreach ($nodes as $node => $links) {
if (!array_key_exists($node,$nodelist)) $nodelist[$node]=nodename($node);
foreach ($links as $link => $dummy)
if (!array_key_exists($link,$nodelist)) $nodelist[$link]=nodename($link);
};
print("graph BGP_nodes {\n");
print("\toverlap=\"prism\";\n");
foreach ($nodelist as $node => $name)
print "\t".$node.' [label="'.$name.'",URL="http://ix.ucis.dn42/dn42/db/asdetails.php?h='.$node.'"];'."\n";
foreach ($nodes as $node => $links) {
foreach ($links as $link => $dummy) {
print("\t".$node.' -- '.$link.";\n");
}
}
print('}');
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