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#!/usr/bin/perl -w
use strict;
#
# Petr Simandl, www.simandl.cz

#require "/home/www/cgi-bi"/home/www/cgi-bin/switches_definitions.pl"n/switches_definitions.pl";

my %map = do("/etc/switches_definitions.conf");

my $snmpwalk = "/usr/bin/snmpwalk";

my @ports = ();
my @sw = ();
my %sw_d = ();

my $portlist = "";
my $p = 0;
my $d = "";
my ($fnc,$mac,$if,$bin,$geom,$desc);

print "Content-type: text/html\n\n";

print "<HTML><HEAD>\n<META HTTP-EQUIV=Pragma CONTENT=no-cache>\n<style type=\"text/css\" media=\"screen\"> \@import \"../style.css\" ;</style>\n";
print "<META http-equiv=\"Content-Type\" content=\"text/html; charset=iso-8859-2\">\n";
print "<script type=\"text/javascript\" src=\"../overlib.js\"><!-- overLIB (c) Erik Bosrup --></script>\n";
print "</HEAD><BODY>\n";
#nocache!

print "<div id=\"overDiv\" style=\"position:absolute; visibility:hidden; z-index:1000;\"></div>";

#print "<a href=\"javascript:void(0);\" onmouseover=\"return overlib('This is an ordinary popup.');\" onmouseout=\"return nd();\">here</a>";

open(CONF,"< /etc/switches.conf") || die("can't open datafile: $!");
while (<CONF>) {
  chomp;
  next if (/^#/);
  next if (/^$/);
  if (/^draw_/) { push @sw, $_; next; }
  if (/^([0-9a-fA-F]{2}:[0-9a-fA-F]{2}:)|(([0-9]{1,3}\.){3}[0-9]{1,3})/) {
    ($mac, $portlist) = split(/\|/, $_, 2);
    @ports = ();
    foreach ( split(/\|/, $portlist) ) {
      ($p, $d) = split /;/;
      $ports[$p] = $d;
    }
    $sw_d{$mac} = [ @ports ];
  }
}
close CONF;

foreach (@sw) {
  ($fnc, $mac, $if, $bin, $geom, $desc) = split /\|/;
  SWITCH: {
    if ($fnc eq "draw_rrcp_switch") {
      draw_rrcp_switch($mac,$if,$bin,$desc,$map{$geom},\%sw_d);
      last SWITCH;
    }
    if ($fnc eq "draw_snmp_switch") {
      draw_snmp_switch($mac,$if,$bin,$desc,$map{$geom},\%sw_d);
      last SWITCH;
    }
  }
  print "<br>\n";
}

my $date = `date`;
print "<BR>$date\n<BR>";

print "</center></BODY></HTML>";

################################################################################

sub print_port_graph {
 my $ip = shift(@_);
 my $page = shift(@_);
 my $graph = shift(@_);
 my $caption = shift(@_);
 my $text = shift(@_);

print "<a href=\"http://${ip}/hotsanic/traffic/${page}\" onmouseover=\"return overlib('&lt;img src=http://${ip}/hotsanic/traffic/${graph}&gt;',DELAY,250,HAUTO,VAUTO,CAPTION,'${caption}');\" onmouseout=\"return nd();\" shape=\"rect\">$text</a>";

} # end print_port_graph

sub draw_rrcp_switch {
  my $mac = shift(@_);
  my $if = shift(@_);
  my $bin = shift(@_);
  my $desc = shift(@_);
  my @map = @{shift(@_)};
  my $sw_d = shift(@_);

  my $w = scalar( @{$map[0]} );
  my $h = scalar @map;
  my $hmac = "";
  my $x = 0;
  my $y = 0;
  my $e = "";
  my $f = "";
  my $sirka = 70;
  my $label = "";
  my $bg = "";
  my $enab = "";
  my $mod = "";
  my $stat = "";
  my $link = "";
  my $flow = "";
  my $port = 0;
  my @row = ();
  my @pole = ();

  my $porty=`sudo $bin $mac\@$if show int | grep ^$if | sed 's/://g' | sed 's/$if\\///g'`;
  print "<b>$desc</b> $mac";
#  print "<pre>$porty\n</pre>";
  foreach (split("\n",$porty)) {
    s/auto1000M-/auto 1000M-/;
    @row = split ;
    @pole[$row[0]] = [ @row[1..5] ];
  }

  print "<table border=1>\n";
  for ($y = 0; $y < $h; $y++) {
    print "<tr>\n";
    for ($x = 0; $x < $w; $x++) {
      $bg = "\"#FFFFFF\"";
      print "  <td valign=top width=\"$sirka\" ";
      if ($port = $map[$y][$x]) {
        ($enab,$mod,$stat,$link,$flow) = @{$pole[$port]}[0..4];
        if ($link eq "LINK") { $bg = "\"#00FF00\""; }
      }
      print "bgcolor=$bg>";
      if ($port) {
        $e = substr($enab,0,1);
        if (defined($sw_d->{$mac}[$port])) {$label = $sw_d->{$mac}[$port];}
        else { $label = ""; }
        if ($flow eq "flowctl") { $f = "Y"; } else { $f = "N"; }
        $hmac = $mac;
        $hmac =~ s/:/_/g;
        print_port_graph("10.33.0.74","${hmac}_${port}.html","${hmac}_${port}-day.png","$mac port $port $label","$port $label");
        print "<br />$e $mod $stat $f</td>\n";
      } else {
        print "&nbsp;</td>\n";
      }
    }
    print "</tr>\n";
  }
  print "</table>";
}

sub draw_snmp_switch {
  my $myip = shift(@_);
  my $com = shift(@_);
  my $dhcp = shift(@_);
  my $desc = shift(@_);
  my @map = @{shift(@_)};
  my $sw_d = shift(@_);

  my @pole_operstatus = ();
  my @pole_adminstatus = ();
  my @pole_speed = ();
  my %pole_dhcpdhosts = ();
  my %hash_mac = ();
  my %mactab = ();
  my $macind = 0;
  my $port = 0;

  my $w = scalar( @{$map[0]} );
  my $h = scalar @map;
  my $x = 0;
  my $y = 0;
  my $sirka = 70;
  my $label = "";
  my $bg = "";
  my $enab = "";
  my $e = "";
  my $mod = "";
  my $stat = "";
  my $link = "";
  my $flow = "";
  my $barva = "";
  my $title = "";
  my $popis = "";
  my $macinfo = "";
  my $macip = "";
  my $hip = "";
  my @row = ();

  print "<b>$desc</b> <a href=http:\/\/$myip>$myip</a>";

  my $speedall       = `$snmpwalk -Os -c $com -v 2c $myip .1.3.6.1.2.1.2.2.1.5`;
  my $adminstatusall = `$snmpwalk -Os -c $com -v 2c $myip .1.3.6.1.2.1.2.2.1.7`;
  my $operstatusall  = `$snmpwalk -Os -c $com -v 2c $myip .1.3.6.1.2.1.2.2.1.8`;
  my $mactable       = `$snmpwalk -Os -c $com -v 2c $myip atPhysAddress`;
  my $mactableport   = `$snmpwalk -Os -c $com -v 2c $myip ipNetToMediaIfIndex`;
  my $dhcpdconf      = `wget -t 1 -T 1 http://$dhcp/cgi-bin/dhcp.cgi -q -O -`;
#  $arpn        = `wget -t 1 -T 1 http://$dhcp/cgi-bin/arpn.cgi -q -O -`;

  foreach (split("\n",$operstatusall)) {
    s/^ifOperStatus\.([0-9]+) = INTEGER: (.*)$/$1 $2/;
    @row = split ;
    $pole_operstatus[$row[0]] = $row[1];
  }
  foreach (split("\n",$adminstatusall)) {
    s/^ifAdminStatus\.([0-9]+) = INTEGER: (.*)$/$1 $2/;
    @row = split ;
    $pole_adminstatus[$row[0]] = $row[1];
  }
  foreach (split("\n",$speedall)) {
    s/^ifSpeed\.([0-9]+) = Gauge32: (.*)$/$1 $2/;
    @row = split ;
    $row[1] =~ s/000000$/M/;
    $pole_speed[$row[0]] = $row[1];
  }
  foreach (split("\n",$mactable)) {
    s/ = Hex-STRING://;
    ($macind, my $tmpmac) = split(" ", $_, 2);
    $tmpmac =~ s/ $//g;
    $tmpmac =~ s/ /:/g;
    $hash_mac{$macind} = $tmpmac;
  }
  foreach (split("\n",$mactableport)) {
    s/ = INTEGER://;
    ($macind, $port) = split ;
    $macind =~ s/^mib-2\.17\.4\.3\.1\.2/mib-2.17.4.3.1.1/;
    if (exists $mactab{$port} ) {
      push @{ $mactab{$port} }, $hash_mac{$macind}; # pridam do pole k portu
    } else {
      $mactab{$port} = [ $hash_mac{$macind} ]; # zalozim nove pole pro port
    }
  }

#@pole_arpn = split("\n",$arpn);

  $dhcpdconf =~ s/\n/ /g;
  $dhcpdconf =~ s/\s+/ /g;
  $dhcpdconf =~ s/host /\nhost /g;
  $dhcpdconf =~ s/}/}\n/g;
  $dhcpdconf =~ s/\^host //g;

  my @pole_dhcpdconf = split("\n",$dhcpdconf);

  for (@pole_dhcpdconf) {
    if (/^host/) {
      s/^host ([^\s]+) {\s*hardware\s+ethernet\s+(([0-9a-fA-F]{2}:){5}[0-9a-fA-F]{2})\s*;\s*fixed-address\s+(([0-9]{1,3}\.){3}[0-9]{1,3})\s*;\s*}/$2 $1 $4/;
      (my $mac, my $host, my $ip) = split;
      $mac  =~ tr/a-f/A-F/;
      $pole_dhcpdhosts{$mac} = "$host $ip";
    }
  }

  print "<table border=1>\n";
  for ($y = 0; $y < $h; $y++) {
    print "<tr>\n";
    for ($x = 0; $x < $w; $x++) {
      $bg = "\"#FFFFFF\"";
      print "  <td valign=top width=\"$sirka\" ";
      if ($port = $map[$y][$x]) {
        if (defined($pole_adminstatus[$port])) { $enab = $pole_adminstatus[$port]; } else { $enab = ""; }
        $mod  = "";
        if (defined($pole_speed[$port])) { $stat = $pole_speed[$port]; } else { $stat = ""; }
        if (defined($pole_operstatus[$port])) { $link = $pole_operstatus[$port]; } else { $link = ""; }
        $flow = "";
        if ($link eq "up(1)") { $bg = "\"#FFFF00\""; }
        if ($stat eq "1000M") { $bg = "\"#00FF00\""; }
      }
      print "bgcolor=$bg>";
      if ($port) {
        if ($enab =~ /^up/) {$e = "E";} else {$e = "D";}
        if (defined($sw_d->{$myip}[$port])) {$label = $sw_d->{$myip}[$port];}
        else { $label = ""; }
        $hip = $myip;
        $hip =~ s/\./_/g;
        print_port_graph("$dhcp","${hip}_port${port}.html","${hip}_port${port}-day.png","$myip port $port $label","$port $label");
        print "<br />$e $stat<br />\n";
        print "<pre>";
        foreach $mac (@{ $mactab{$port} }) {
          if (exists $pole_dhcpdhosts{$mac}) {
            $barva = "black";
            $title = "$mac " . $pole_dhcpdhosts{$mac};
            $popis = $pole_dhcpdhosts{$mac};
          } else {
            $barva = "red";
            $popis = $mac;
            $macinfo = `wget -t 1 -T 1 http://$dhcp/cgi-bin/macinfo.cgi?$mac -q -O -`;
            if ($macinfo) { ($macip) = split(" ", $macinfo, 1) } else { $macip = "none" };
            $title = "$mac je neznama MAC adresa! Nalezena IP : $macip";
          }
          print "<font color=$barva title=\"$title\">$popis</font><br>"
        };
        print "</pre></td>";
      } else {
        print "&nbsp;</td>\n";
      }
    }
    print "</tr>\n";
  }
  print "</table>";
};

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