mirror of
https://github.com/manuelkasper/AS-Stats.git
synced 2025-02-20 11:44:12 +08:00
270 lines
6.5 KiB
PHP
270 lines
6.5 KiB
PHP
<?php
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/*
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* $Id$
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*
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* written by Manuel Kasper <mk@neon1.net> for Monzoon Networks AG
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*/
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require_once("config_defaults.inc");
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require_once('config.inc');
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/* make sure we have enough memory, as some pages can be quite memory intensive */
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ini_set("memory_limit", "256M");
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/* note: you might want to put the data from asinfo.txt into an SQL
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database to avoid having to read the whole file all the time */
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function getASInfo($asnum) {
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global $asinfodb;
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if (!isset($asinfodb))
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$asinfodb = readasinfodb();
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if (@$asinfodb[$asnum])
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return $asinfodb[$asnum];
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else
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return array('name' => "AS$asnum", 'descr' => "AS $asnum");
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/*$row = mysql_fetch_array(mysql_query("select * from asnums where asn='" . addslashes($asnum) . "'"));
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if ($row) {
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return array('name' => $row['asname'], 'descr' => $row['descr'], 'country' => $row['country']);
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} else {
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return array('name' => "AS$asnum", 'descr' => "AS $asnum");
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}*/
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}
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function readasinfodb() {
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global $asinfofile;
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if (!file_exists($asinfofile))
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return array();
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$fd = fopen($asinfofile, "r");
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$asinfodb = array();
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while (!feof($fd)) {
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$line = trim(fgets($fd));
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if (preg_match("/(^\\s*#)|(^\\s*$)/", $line))
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continue; /* empty line or comment */
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$asnarr = explode("\t", $line);
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$asn = $asnarr[0];
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$asname = $asnarr[1];
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$descr = $asnarr[2];
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if (isset($asnarr[3])) $country = $asnarr[3];
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$asinfodb[$asn] = array(
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'name' => $asname,
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'descr' => $descr,
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'country' => $country
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);
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}
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fclose($fd);
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return $asinfodb;
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}
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function getknownlinks() {
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global $knownlinksfile;
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$fd = fopen($knownlinksfile, "r");
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$knownlinks = array();
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while (!feof($fd)) {
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$line = trim(fgets($fd));
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if (preg_match("/(^\\s*#)|(^\\s*$)/", $line))
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continue; /* empty line or comment */
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list($routerip,$ifindex,$tag,$descr,$color) = preg_split("/\\t+/", $line);
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$known = false;
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foreach ($knownlinks as $link) {
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if (in_array($tag,$link)) {$known=true;}
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}
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if (!$known) {
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$knownlinks[] = array(
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'routerip' => $routerip,
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'ifindex' => $ifindex,
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'tag' => $tag,
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'descr' => $descr,
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'color' => $color
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);
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}
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}
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fclose($fd);
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return $knownlinks;
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}
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function getasstats_top($ntop, $statfile) {
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/* first step: walk the data for all ASes to determine the top 5 for the given link */
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$fd = fopen($statfile, "r");
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if (!$fd)
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return array();
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$cols = explode("\t", trim(fgets($fd)));
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/* read in up to $ntop AS stats, sum up columns */
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while (!feof($fd)) {
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$line = trim(fgets($fd));
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if (!$line)
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continue;
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$els = explode("\t", $line);
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/* first element is the AS */
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$as = $els[0];
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$tot_in = 0;
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$tot_out = 0;
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$tot_v6_in = 0;
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$tot_v6_out = 0;
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for ($i = 1; $i < count($els); $i++) {
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if (strpos($cols[$i], "_in") !== false) {
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if (strpos($cols[$i], "_v6_") !== false)
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$tot_v6_in += $els[$i];
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else
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$tot_in += $els[$i];
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} else {
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if (strpos($cols[$i], "_v6_") !== false)
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$tot_v6_out += $els[$i];
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else
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$tot_out += $els[$i];
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}
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}
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$asstats[$as] = array($tot_in, $tot_out, $tot_v6_in, $tot_v6_out);
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if (count($asstats) >= $ntop)
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break;
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}
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fclose($fd);
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return $asstats;
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}
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function format_bytes($bytes) {
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if ($bytes >= 1099511627776)
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return sprintf("%.2f TB", $bytes / 1099511627776);
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else if ($bytes >= 1073741824)
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return sprintf("%.2f GB", $bytes / 1073741824);
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else if ($bytes >= 1048576)
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return sprintf("%.2f MB", $bytes / 1048576);
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else if ($bytes >= 1024)
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return sprintf("%d KB", $bytes / 1024);
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else
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return "$bytes bytes";
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}
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function getRRDFileForAS($as, $peer = 0) {
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global $rrdpath;
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$prefix = ($peer == 1) ? "$rrdpath/peeras" : "$rrdpath";
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return "$prefix/" . sprintf("%02x", $as % 256) . "/$as.rrd";
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}
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function getASSET($asset) {
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global $whois, $assetpath, $asset_cache_life;
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/* sanity check */
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if (!preg_match("/^[a-zA-Z0-9:_-]+$/", $asset))
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return null;
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$assetfile = $assetpath."/".$asset.".txt";
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# check if file exist and cache
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$filemtime = @filemtime($assetfile);
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if (!$filemtime or (time() - $filemtime >= $asset_cache_life)) {
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$cmd = $whois ." -h whois.radb.net '!i".$asset."'";
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$return_aslist = explode("\n",shell_exec($cmd));
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/* find the line that contains the AS-SET members */
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$aslist = array();
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foreach ($return_aslist as $asline) {
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if (preg_match("/^AS/", $asline)) {
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$aslist = explode(" ", $asline);
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break;
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}
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}
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$f = fopen($assetfile,"w");
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foreach ($aslist as $as) {
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fputs($f,$as."\n");
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}
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fclose($f);
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# else read cache file
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} else {
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$f = fopen($assetfile, "r");
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$aslist = array();
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while (!feof($f)) {
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$line = trim(fgets($f));
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if (!empty($line))
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$aslist[] = $line;
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}
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}
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return $aslist;
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}
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function clearCacheFileASSET($asset) {
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global $assetpath;
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/* sanity check */
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if (!preg_match("/^[a-zA-Z0-9:_-]+$/", $asset))
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return;
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if ( $asset == "all" ) {
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$files = glob($assetpath."/*.txt");
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foreach($files as $file) {
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unlink($file);
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}
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} else {
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$file = $assetpath."/".$asset.".txt";
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unlink($file);
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}
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}
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# return the html used in top.php : <a href=blabla><img src=blabla/></url>
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function getHTMLUrl($as, $ipversion, $desc, $start, $end, $peerusage){
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$img = getHTMLImg($as, $ipversion, $desc, $start, $end, $peerusage, '', '', false);
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$result = "<a href='history.php?as=$as&peerusage=$peerusage&v=$ipversion' target='_blank'>$img</a>";
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return($result);
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}
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# return the html used in history.php (for example) : <img src=blabla/>
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function getHTMLImg($as, $ipversion, $desc, $start, $end, $peerusage, $alt, $class, $history = false){
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global $top_graph_width;
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global $top_graph_height;
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$dname = rawurlencode("AS$as - $desc - IPV$ipversion");
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$result = "<img alt='$alt' class='$class' src='gengraph.php?v=$ipversion&as=$as&peerusage=$peerusage&dname=$dname&start=$start&end=$end";
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if(!$history)
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$result .= "&width=$top_graph_width&height=$top_graph_height&nolegend=1";
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$result .= "'";
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if(!$history)
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$result .= " width='$top_graph_width' height='$top_graph_height' border='0'";
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$result .= "/>";
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return($result);
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}
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function statsFileForHours($hours) {
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global $top_intervals, $daystatsfile;
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foreach ($top_intervals as $interval) {
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if ($interval['hours'] == $hours && @$interval['statsfile']) {
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return $interval['statsfile'];
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}
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}
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return $daystatsfile;
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}
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function statsLabelForHours($hours) {
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global $top_intervals;
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foreach ($top_intervals as $interval) {
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if ($interval['hours'] == $hours && @$interval['label']) {
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return $interval['label'];
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}
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}
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return (int)$hours . " hours";
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}
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