#!/usr/bin/php
<?php

include("includes/defaults.inc.php");
include("config.php");
include("includes/functions.php");
include("includes/discovery/functions.inc.php");

$start = utime();
$runtime_stats = array();

### Observium Device Discovery

echo("Observium v".$config['version']." Discovery\n\n");

$options = getopt("h:t:i:n:d::a::");

if ($options['h'] == "odd")      { $options['n'] = "1"; $options['i'] = "2"; }
elseif ($options['h'] == "even") { $options['n'] = "0"; $options['i'] = "2"; }
elseif ($options['h'] == "all")  { $where = " "; $doing = "all"; }
elseif ($options['h']) {
  if (is_numeric($options['h']))
  {
    $where = "AND `device_id` = '".$options['h']."'";
    $doing = $options['h'];
  }
  else
  {
    $where = "AND `hostname` LIKE '".str_replace('*','%',mres($options['h']))."'";
    $doing = $options['h'];
  }
}

if ($options['i'] && isset($options['n'])) {
  $where = "AND MOD(device_id,".$options['i'].") = '" . $options['n'] . "'";
  $doing = $options['n'] ."/".$options['i'];
}

if (isset($options['d'])) {
  echo("DEBUG!\n");
  $debug = TRUE;
  ini_set('display_errors', 1);
  ini_set('display_startup_errors', 1);
  ini_set('log_errors', 1);
  ini_set('error_reporting', 1);
} else {
  $debug = FALSE;
  ini_set('display_errors', 0);
  ini_set('display_startup_errors', 0);
  ini_set('log_errors', 0);
  ini_set('error_reporting', 0);
}


if(!$where) {
  echo("-h <device id> | <device hostname>  Poll single device\n");
  echo("-h odd                              Poll odd numbered devices  (same as -i 2 -n 0)\n");
  echo("-h even                             Poll even numbered devices (same as -i 2 -n 1)\n");
  echo("-h all                              Poll all devices\n\n");
  echo("-i <instances> -n <number>          Poll as instance <number> of <instances>\n");
  echo("                                    Instances start at 0. 0-3 for -n 4\n\n");
  echo("-d                                  Enable some debugging output\n");
  echo("\n");
  echo("No polling type specified!\n");
  exit;
 }

if (file_exists('.svn'))
{
  list(,$dbu_rev) = preg_split('/: /',@shell_exec('svn info database-update.sql|grep ^Revision'));

  $device_query = mysql_query("SELECT revision FROM `dbSchema`");
  if ($rev = @mysql_fetch_array($device_query)) 
  {
    $db_rev = $rev['revision'];
  } 
  else 
  { 
    $db_rev = 0;
  }

  if ($db_rev+0 < "1223") {
    include("fix-events.php"); ## Fix events table (needs to copy some data around, so needs script)
  }

  if($db_rev+0 < 1656) {
     include('fix-port-rrd.php'); ## Rewrites all port RRDs. Nothing will work without this after 1656
  }

  if ($dbu_rev+0 > $db_rev)
  {
    echo "SVN revision changed.\n";
    if($db_rev+0 < "1000") {
      echo("Running pre-revision 1000 SQL update script...\n");
      shell_exec("scripts/update-sql.php database-update-pre1000.sql");
    }
    if($db_rev+0 < "1435") {
      echo("Running pre-revision 1435 SQL update script...\n");
      shell_exec("scripts/update-sql.php database-update-pre1435.sql");
    }
    echo("Running development SQL update script to update from r$db_rev to r" . trim($dbu_rev) . "...\n");
    shell_exec("scripts/update-sql.php database-update.sql");
    if ($db_rev == 0)
    {
      mysql_query("INSERT INTO dbSchema VALUES ($dbu_rev)");
    }
    else
    {
      mysql_query("UPDATE dbSchema set revision=$dbu_rev");
    }
  }
}

$devices_discovered = 0;

$device_query = mysql_query("SELECT * FROM `devices` WHERE status = 1 AND disabled = 0 $where ORDER BY device_id DESC");
while ($device = mysql_fetch_array($device_query))
{

  $device_start = utime();  // Start counting device poll time

  echo($device['hostname'] . " ".$device['device_id']." ".$device['os']." ");
  if($device['os'] != strtolower($device['os'])) {
    mysql_query("UPDATE `devices` SET `os` = '".strtolower($device['os'])."' WHERE device_id = '".$device['device_id']."'");
    $device['os'] = strtolower($device['os']); echo("OS lowercased.");
  }
  if($config['os'][$device['os']]['group']) {$device['os_group'] = $config['os'][$device['os']]['group']; echo "(".$device['os_group'].")";}

  echo("\n");

  #include("includes/discovery/os.inc.php");

  include("includes/discovery/ports.inc.php");
  include("includes/discovery/entity-physical.inc.php");
  include("includes/discovery/processors.inc.php");
  include("includes/discovery/mempools.inc.php");
  include("includes/discovery/ipv4-addresses.inc.php");
  include("includes/discovery/ipv6-addresses.inc.php");
  include("includes/discovery/sensors.inc.php");
  include("includes/discovery/storage.inc.php");
  include("includes/discovery/hr-device.inc.php");
  include("includes/discovery/discovery-protocols.inc.php");
  include("includes/discovery/arp-table.inc.php");
  include("includes/discovery/junose-atm-vp.inc.php");
  include("includes/discovery/bgp-peers.inc.php");
  include("includes/discovery/q-bridge-mib.inc.php");
  include("includes/discovery/cisco-vlans.inc.php");
  include("includes/discovery/cisco-mac-accounting.inc.php");
  include("includes/discovery/cisco-pw.inc.php");
  include("includes/discovery/cisco-vrf.inc.php");
  include("includes/discovery/toner.inc.php");
  include("includes/discovery/ucd-diskio.inc.php");
  include("includes/discovery/services.inc.php");

  if ($device['type'] == "unknown" || $device['type'] == "")
  {
    if ($config['os'][$device['os']]['type'])
    {
      $device['type'] = $config['os'][$device['os']]['type'];
    }
    
    if ($device['os'] == "linux")
    {
      if (preg_match("/-server$/", $device['version'])) { $device['type'] = 'server'; }
    }
  }

  $device_end = utime(); $device_run = $device_end - $device_start; $device_time = substr($device_run, 0, 5);

  $update_query  = "UPDATE `devices` SET ";
  $update_query .= " `last_discovered` = NOW(), `type` = '" . $device['type'] . "'";
  $update_query .= ", `last_discovered_timetaken` = '$device_time'";
  $update_query .= " WHERE `device_id` = '" . $device['device_id'] . "'";
  $update_result = mysql_query($update_query);

  echo("Discovered in $device_time seconds\n");
  unset($cache); // Clear cache (unify all things here?)
  echo("\n"); $devices_discovered++;
}

$end = utime(); $run = $end - $start;
$proctime = substr($run, 0, 5);

if($devices_discovered) {
  mysql_query("INSERT INTO `perf_times` (`type`, `doing`, `start`, `duration`, `devices`)
                               VALUES ('discover', '$doing', '$start', '$proctime', '$devices_discovered')");
}

$string = $argv[0] . " $doing " .  date("F j, Y, G:i") . " - $polled_devices devices discovered in $proctime secs";
if ($debug) echo("$string\n");

shell_exec("echo '".$string."' >> ".$config['log_file']);

?>