<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage poller
 * @copyright  (C) 2006-2013 Adam Armstrong, (C) 2013-2021 Observium Limited
 *
 */

if (is_device_mib($device, 'CISCO-CEF-MIB'))
{
  echo('Cisco CEF Switching Path: ');

  $cefs_db = [];
  $cefs_query = dbFetchRows('SELECT * FROM `cef_switching` WHERE `device_id` = ?', array($device['device_id']));
  foreach ($cefs_query as $ceftmp)
  {
    $cef_id = $device['device_id'].'-'.$ceftmp['entPhysicalIndex'].'-'.$ceftmp['afi'].'-'.$ceftmp['cef_index'];
    $cefs_db[$cef_id] = $ceftmp['cef_switching_id'];
  }
  $cef_pfxs_query = dbFetchRows('SELECT * FROM `cef_prefix` WHERE `device_id` = ?', array($device['device_id']));
  foreach ($cef_pfxs_query as $pfx)
  {
    $cef_pfxs_db[$pfx['entPhysicalIndex']][$pfx['afi']] = $pfx['cef_pfx_id'];
  }
  unset($cefs_query, $cef_pfxs_query);

  $device_context = $device;
  if (!count($cefs_db))
  {
    // Set retries to 0 for speedup first walking, only if previously polling also empty (DB empty)
    $device_context['snmp_retries'] = 0;
  }
  $cefs = snmpwalk_cache_threepart_oid($device_context, 'cefSwitchingStatsEntry', array(), 'CISCO-CEF-MIB');
  unset($device_context);
  if ($GLOBALS['snmp_status'])
  {
    $cef_pfxs = snmpwalk_cache_twopart_oid($device, 'cefFIBSummaryEntry', array(), 'CISCO-CEF-MIB');
    if (!is_array($entity_array))
    {
      echo('Caching OIDs: ');
      $entity_array = array();
      echo(' entPhysicalDescr');
      $entity_array = snmpwalk_cache_oid($device, 'entPhysicalDescr', $entity_array, 'ENTITY-MIB');
      echo(' entPhysicalName');
      $entity_array = snmpwalk_cache_oid($device, 'entPhysicalName', $entity_array, 'ENTITY-MIB');
      echo(' entPhysicalModelName');
      $entity_array = snmpwalk_cache_oid($device, 'entPhysicalModelName', $entity_array, 'ENTITY-MIB');
    }
    $polled = time();
  }
  if (OBS_DEBUG > 1 && count($cefs)) { print_vars($cefs); }

  foreach ($cefs as $entity => $afis)
  {
    $entity_name = $entity_array[$entity]['entPhysicalName'] .' - '.$entity_array[$entity]['entPhysicalModelName'];
    echo("\n$entity $entity_name\n");
    foreach ($afis as $afi => $paths)
    {
      echo(" |- $afi ");

      // Do Per-AFI entity summary

      // FIXME -- memory tables

      if (!isset($cef_pfxs_db[$entity][$afi]))
      {
        dbInsert(array('device_id' => $device['device_id'], 'entPhysicalIndex' => $entity, 'afi' => $afi), 'cef_prefix');
        echo('+');
      }
      unset($cef_pfxs_db[$entity][$afi]);

      $cef_pfx['update']['cef_pfx'] = $cef_pfxs[$entity][$afi]['cefFIBSummaryFwdPrefixes'];
      dbUpdate($cef_pfx['update'], 'cef_prefix', '`device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ?', array($device['device_id'], $entity, $afi));

      rrdtool_update_ng($device, 'cisco-cef-pfx', array('pfx' => $cef_pfxs[$entity][$afi]['cefFIBSummaryFwdPrefixes']), "$entity-$afi");

      //print_vars($cef_pfxs[$entity][$afi]);

      // Do Per-path statistics
      foreach ($paths as $path => $cef_stat)
      {
        echo(' | |-'.$path.': '.$cef_stat['cefSwitchingPath']);

        $cef_id = $device['device_id'].'-'.$entity.'-'.$afi.'-'.$path;

        #if (dbFetchCell('SELECT COUNT(*) FROM `cef_switching` WHERE `device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?', array($device['device_id'], $entity, $afi, $path)) != '1')
        if (!isset($cefs_db[$cef_id]))
        {
          dbInsert(array('device_id' => $device['device_id'], 'entPhysicalIndex' => $entity, 'afi' => $afi, 'cef_index' => $path, 'cef_path' => $cef_stat['cefSwitchingPath']), 'cef_switching');
          echo('+');
        }
        unset($cefs_db[$cef_id]);

        $cef_entry = dbFetchRow('SELECT * FROM `cef_switching` WHERE `device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?', array($device['device_id'], $entity, $afi, $path));

        // Copy HC to non-HC if they exist
        if (is_numeric($cef_stat['cefSwitchingHCDrop'])) { $cef_stat['cefSwitchingDrop'] = $cef_stat['cefSwitchingHCDrop']; }
        if (is_numeric($cef_stat['cefSwitchingHCPunt'])) { $cef_stat['cefSwitchingPunt'] = $cef_stat['cefSwitchingHCPunt']; }
        if (is_numeric($cef_stat['cefSwitchingHCPunt2Host'])) { $cef_stat['cefSwitchingPunt2Host'] = $cef_stat['cefSwitchingHCPunt2Host']; }

        // FIXME -- memory tables

        $cef_stat['update']['drop'] = $cef_stat['cefSwitchingDrop'];
        $cef_stat['update']['punt'] = $cef_stat['cefSwitchingPunt'];
        $cef_stat['update']['punt2host'] = $cef_stat['cefSwitchingPunt2Host'];
        $cef_stat['update']['drop_prev'] = $cef_entry['drop'];
        $cef_stat['update']['punt_prev'] = $cef_entry['punt'];
        $cef_stat['update']['punt2host_prev'] = $cef_entry['punt2host'];
        $cef_stat['update']['updated'] = $polled;
        $cef_stat['update']['updated_prev'] = $cef_entry['updated'];

        dbUpdate($cef_stat['update'], 'cef_switching', '`device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?', array($device['device_id'], $entity, $afi, $path));

        rrdtool_update_ng($device, 'cisco-cef-switching', array(
          'drop'     => $cef_stat['cefSwitchingDrop'],
          'punt'     => $cef_stat['cefSwitchingPunt'],
          'hostpunt' => $cef_stat['cefSwitchingPunt2Host'],
        ), "$entity-$afi-$path");

        echo(PHP_EOL);
      }
    }
  }

  //print_vars($cefs_db);

  foreach ($cefs_db as $cef_switching_id)
  {
    dbDelete('cef_switching', '`cef_switching_id` =  ?', array($cef_switching_id));
    echo('-');
  }
  foreach ($cef_pfxs_db as $afis)
  {
    foreach ($afis as $pfx_id)
    {
      dbDelete('cef_prefix', '`cef_pfx_id` =  ?', array($pfx_id));
      echo('-');
    }
  }

  echo(PHP_EOL);
} # os_group = cisco

// EOF