#!/usr/bin/perl
# Squid


require "Abills/nas.pl";
use Abills::Base;
use Socket;



#*******************************************************************
# 
# 
#*******************************************************************
sub squid_monitor {

   $conf{SQUID_HOST}=$FORM{SQUID_HOST} if ($FORM{SQUID_HOST});
   $conf{SQUID_PORT}=$FORM{SQUID_PORT} if ($FORM{SQUID_PORT});
   $conf{SQUID_CACHEMGR_PASSWD}=$FORM{SQUID_CACHEMGR_PASSWD} if ($FORM{SQUID_CACHEMGR_PASSWD});
   $conf{SQUID_RESOLVIP}=1 if ($FORM{SQUID_RESOLVIP});

my $table = $html->table( { width       => '100%',
                            title_plain => [ "HOST: ".        $html->form_input('SQUID_HOST', "$conf{SQUID_HOST}"),
                                             "PORT: ".        $html->form_input('SQUID_PORT', "$conf{SQUID_PORT}", { SIZE => 5 }),
                                             "$_PASSWD: ".    $html->form_input('SQUID_CACHEMGR_PASSWD', "", {TYPE => 'PASSWORD'}),
                                             "RESOLV IP: ".   $html->form_input('SQUID_RESOLVIP', "1", { TYPE => 'CHECKBOX', STATE => ($FORM{SQUID_RESOLVIP}) ? 1 : undef  }),
                                             "$_REFRESH (sec): ".   $html->form_input('REFRESH', int($FORM{REFRESH}), { SIZE => 4 } ),
                                             $html->form_input('SHOW',  $_SHOW, {TYPE => 'SUBMIT'})  
                                            ],
                           });


print $html->form_main({ CONTENT => $table->show(),
	                       HIDDEN  => { index =>  "$index" },
	                       METHOD  => 'GET'
                        });
     
     
   if (! $conf{SQUID_HOST}) {
   	  return 0;
    }

   my $server_info = '';
    my @commands = ("-\tGET cache_object://localhost/active_requests HTTP/1.0\r\n");
    $commands[0].="Authorization: Basic ". encode_base64("cachemgr:$conf{SQUID_CACHEMGR_PASSWD}") if ($conf{SQUID_CACHEMGR_PASSWD} ne '');
    $commands[0].="\r\n";

    my $total_sessions=0;
    my $total_users=0;
   
    
    my $result = telnet_cmd2("$conf{SQUID_HOST}:$conf{SQUID_PORT}", \@commands);

 
    my @rows = split(/\n\n/, $result);

    #print "<textarea cols=80 rows=50>$rows[0]\n----\n\n$result</textarea>"; 
    
    
   
    if ($rows[0] !~ /HTTP\/1.0 200 OK/) {
    	my ($header, $body)=split(/\r\n\r\n/, $rows[0]);
      $html->message('err', $ERROR, "Can't Connect '$conf{SQUID_HOST}:$conf{SQUID_PORT}'
      <br/><pre>$header</pre>");    
     }
    else {
      foreach my $client (@rows) {
      	 my @client_infO_array = split(/\n/, $client);

      	 my %info_hash = ();
      	 foreach $line (@client_infO_array) {
      	 	 my ($l, $r)=split(/ /, $line, 2);
      	 	 $l =~ tr/ |\t//d;
      	 	 $info_hash{"$l"}=$r;
      	  }

      	  ($addr, $port) = split(/:/, $info_hash{"peer:"});
      	  my $connection_id = $info_hash{'Connection:'};
          
          $server_info = $info_hash{'Server:'} if ($info_hash{'Server:'});
          
      	  $info_hash{'out.offset'} =~ /(\d+), out.size (\d+)/;
      
          $sessions{$addr}{$connection_id}{Size}=$2;
          $sessions{$addr}{$connection_id}{Url}=$info_hash{"uri"};

          $info_hash{'start'} =~ /(\d+)\.(\d+) \((\d+)\.(\d+) seconds ago\)/;
          $sessions{$addr}{$connection_id}{Start}=$3;
       }
     }







$table = $html->table( { width       => '100%',
                         caption     => "$conf{SQUID_HOST}:$conf{SQUID_PORT} ($server_info)",
                         border      => 1,
                         title       => ["IP", "URL", "$_SIZE", "$_TIME", "-"],
                         cols_align  => ['left', 'left', 'right', 'right', 'center'],
                         qs          => $pages_qs
                           });
my $user_info;
if ($conf{SQUID_IP_USERS}) {
  require Dv_Sessions;
  Dv_Sessions->import();
  my $sessions = $sessions->new($db, $admin, \%conf);

  

  $user_info = " ()";
}

while(my($ip, $v)=each %sessions) {
  
	$ip = gethostbyaddr(inet_aton($ip), AF_INET) || $ip if ($conf{SQUID_RESOLVIP});

  $table->addtd( $table->td("<b>$ip</b>$user_info", { bgcolor => $_COLORS[3] }), $table->td('', { colspan => 4, bgcolor => $_COLORS[3]  })  );
  $total_users++;

  while(my($session_id, $v2)= each %$v ) {
    $table->addrow('', 
      ($v2->{Url} !~ /:443/) ? $html->button(substr($v2->{Url}, 0, 50), "", { GLOBAL_URL => "$v2->{Url}", ex_params => "TARGET=\"A$ip\"" }) : $v2->{Url}, 
      int2byte($v2->{Size}), 
      sec2time($v2->{Start}, { str => 1 }),
      ''
      );
     $total_sessions++;
   }
}

print $table->show();


$table = $html->table({ width       => '100%',
                        rowcolor    => $_COLORS[3],
                        cols_align  => ['right', 'left', 'right', 'right', 'center'],    
                        rows        => [ ["$_TOTAL:", "$_USERS:", "$total_users", "$_SESSIONS:", "$total_sessions" ]]
                      });

print $table->show();

}




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