<?php
include('../global.php');
//$Database->select_db('share');
echo("\n====================== Kontrola online pocitacu ============================\n\n");
//while (true)
{
  echo('Nacitam strom sdileni...');
  $Output = array();
  exec('smbtree -N -S',$Output,$Return);  
  //echo($Return."\n");
  echo("OK\n\nSeznam online pocitacu:\n");
  array_shift($Output);
  $Online = array();    // Seznam online pocitacu
  foreach ($Output as $Radek)
  {
    if (ord($Radek[0])!=9) continue;
    $Host = explode(' ',substr($Radek,3));
    $Host = $Host[0];
//    echo($Host);
    $Section = 0;
    // Zjisti IP a MAC adresu
    if ($Host=='CENTRALA')
    {
      $MAC = '00:E0:4C:20:64:22';
      $IP = '192.168.0.1';
      $Section = 0;
    } else
    if ($Host=='CENTRALA2')
    {
      $MAC = '00:E0:4C:20:64:22';
      $IP = '192.168.0.11';
      $Section = 0;
    } else
    {
      $Output = array();

      //echo('arping -c 1 '.$Host);
      exec('arping -c 1 '.$Host,$Output);
      if (count($Output)!=4)
      {
        $Output = array();
        exec('arping -I wlan0 -c 1 '.$Host,$Output);
        if (count($Output)!=4)
        {
          $Output = array();
          exec('arping -I wlan1 -c 1 '.$Host,$Output);
          if (count($Output)!=4)
          {
            $Output = array();
            exec('arping -I wlan2 -c 1 '.$Host,$Output);
            if (count($Output)!=4)
            {
              $Output = array();
              exec('arping -I eth2 -c 1 '.$Host,$Output);
              if (count($Output)!=4) continue;
              else $Section = 4;
            } else $Section = 3;
          } else $Section = 2;
        } else $Section = 1;
      } else $Section = 0;      
      $Output = explode(' ',$Output[1]);
      $MAC = substr($Output[4],1,-1);
      $IP = $Output[3];
    }
    echo($Host.":   IP:".$IP."  MAC:".$MAC."  Sekce:".$Section."\n");
    array_push($Online, array('host' => $Host, 'IP' => $IP, 'MAC' => $MAC, 'section' => $Section));
  }

  // Deaktivuj predchozi online pocitace
  $Database->update('hosts', 1, array('online' => 0));
  
  // Aktivuj online pocitace
  foreach ($Online as $Item)
  {
    $DbResult = $Database->query("SELECT * FROM hosts WHERE name='".$Item['host']."'");
    if ($DbResult->num_rows > 0)
    {
      $Database->update('hosts',"name='".$Item['host']."'",array( 'IP' => $Item['IP'], 'MAC' => $Item['MAC'], 'online' => 1, 'lastdate' => 'NOW()', 'section' => $Section));
    } else $Database->insert('hosts',array('name' => $Item['host'], 'IP' => $Item['IP'], 'MAC' => $Item['MAC'], 'online' => 1,'date' => 'NOW()','lastdate' => 'NOW()', 'section' => $Section));
  }

  echo("\nSeznam offline pocitacu:\n");
  $DbResult = $Database->query("SELECT * FROM hosts WHERE online=0");
  while ($Row = $DbResult->fetch_array())
  {
    echo($Row['name'].", ");
  }  
//  sleep(1000);
  //echo("\nCekam minutu...");
  //sleep(60);
  //echo("OK\n\n");
}
echo("\n\nKontrola dokoncena\n\n");