<?php
/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     discovery
 * @copyright  (C) Adam Armstrong
 *
 */

// CISCO-FLASH-MIB::ciscoFlashDevicesSupported.0 = Gauge32: 7
$ciscoFlashDevicesSupported = snmp_get($device, "ciscoFlashDevicesSupported.0", "-Ovq", 'CISCO-FLASH-MIB'); // Number of Flash devices supported by the system

if ((int)$ciscoFlashDevicesSupported > 0) {
    $ciscoFlashDeviceTable = snmpwalk_cache_oid($device, 'ciscoFlashDeviceTable', NULL, 'CISCO-FLASH-MIB:OLD-CISCO-CHASSIS-MIB');
    //$ciscoFlashDeviceTable = snmpwalk_cache_oid($device, 'ciscoFlashDeviceName', NULL, 'CISCO-FLASH-MIB:OLD-CISCO-CHASSIS-MIB');

    if ($GLOBALS['snmp_status']) {
        // Disable retries
        $device_tmp = $device;
        //$device_tmp['snmp_retries'] = 1;
        //$device_tmp['snmp_nobulk'] = TRUE;

        $has_hc = FALSE;
        foreach ($ciscoFlashDeviceTable as $flash) {
            if (isset($flash['ciscoFlashDeviceSizeExtended'])) {
                $has_hc = TRUE;
                break;
            }
        }

        // Fetch only required oids, do not use walk!
        //$oids = array('ciscoFlashDeviceDescr', 'ciscoFlashDeviceRemovable', 'ciscoFlashDevicePartitions', 'ciscoFlashDeviceSizeExtended');
        //foreach ($oids as $oid)
        //{
        //  $ciscoFlashDeviceTable = snmpwalk_cache_oid($device_tmp, $oid, $ciscoFlashDeviceTable, 'CISCO-FLASH-MIB:OLD-CISCO-CHASSIS-MIB');
        //  if ($oid == 'ciscoFlashDeviceSizeExtended')
        //  {
        //    $has_hc = $GLOBALS['snmp_status'];
        //  }
        //}
        print_debug_vars($ciscoFlashDeviceTable);

        sleep(5); // Yes, really.. sleep here, because cisco freeze

        //$ciscoFlashPartitionTable = snmpwalk_cache_twopart_oid($device_tmp, 'ciscoFlashPartitionTable', NULL, 'CISCO-FLASH-MIB');
        $ciscoFlashPartitionTable = snmpwalk_cache_twopart_oid($device_tmp, 'ciscoFlashPartitionName', NULL, 'CISCO-FLASH-MIB');
        /*
        if ($has_hc)
        {
          $oids = array('ciscoFlashPartitionSizeExtended', 'ciscoFlashPartitionFreeSpaceExtended');
        } else {
          $oids = array('ciscoFlashPartitionSize', 'ciscoFlashPartitionFreeSpace');
        }
        foreach ($oids as $oid)
        {
          sleep(3); // Yes, really.. sleep here, because cisco freeze
          $ciscoFlashPartitionTable = snmpwalk_cache_twopart_oid($device_tmp, $oid, $ciscoFlashPartitionTable, 'CISCO-FLASH-MIB');
        }
        */
        print_debug_vars($ciscoFlashPartitionTable);

        /* Now this module run as last, sleep and disable mib not required
        if ($GLOBALS['snmp_error_code'] == 1002)
        {
          // We get timeout error here, f* cisco with your shit ;)
          // Additional sleep here and completely disable this mib now, for do not use it next time...
          sleep(5);
          set_entity_attrib('device', $device, 'mib_' . 'CISCO-FLASH-MIB', "0"); /// FIXME. Note for myself, replace later with set_device_mib_disable(), not released yet
          log_event('Note, polling/discovery by MIB "' . 'CISCO-FLASH-MIB' . '" disabled, due to produced many Timeout errors. You can enable it again in device "Properties -> MIBs" page.', $device, 'device', $device['device_id'], 'warning');
        }
        sleep(5); // Yes, really.. sleep here, because cisco freeze and next discovery module return empty
        */
    }

    foreach ($ciscoFlashDeviceTable as $flash_index => $flash) {
        /*
        CISCO-FLASH-MIB::ciscoFlashDeviceSize.6 = Gauge32: 2048425984 bytes
        CISCO-FLASH-MIB::ciscoFlashDeviceSize.7 = Gauge32: 0 bytes
        CISCO-FLASH-MIB::ciscoFlashDevicePartitions.6 = Gauge32: 1
        CISCO-FLASH-MIB::ciscoFlashDevicePartitions.7 = Gauge32: 0
        CISCO-FLASH-MIB::ciscoFlashDeviceName.6 = STRING: disk0
        CISCO-FLASH-MIB::ciscoFlashDeviceName.7 = STRING: disk1
        CISCO-FLASH-MIB::ciscoFlashDeviceDescr.6 = STRING: Disk 0 Flash
        CISCO-FLASH-MIB::ciscoFlashDeviceDescr.7 = STRING: Disk 1 Flash
        CISCO-FLASH-MIB::ciscoFlashDeviceRemovable.6 = INTEGER: true(1)
        CISCO-FLASH-MIB::ciscoFlashDeviceRemovable.7 = INTEGER: true(1)
        */
        $fstype = $flash['ciscoFlashDeviceRemovable'] === 'true' ? 'ciscoFlashRemovable' : 'ciscoFlash';
        if (isset($flash['ciscoFlashDeviceSizeExtended']) && $flash['ciscoFlashDeviceSizeExtended'] > 0) {
            $hc = 1;
        } else {
            $hc = 0;
        }

        // Do not skip removable for Cisco devices
        //if (isset($config['ignore_mount_removable']) && $config['ignore_mount_removable'] && $fstype == "ciscoFlashRemovable") { print_debug("Skipped removable: $descr"); continue; }
        if (!$flash['ciscoFlashDeviceSize']) {
            continue;
        } // Skip currently not exist flash disks

        foreach ($ciscoFlashPartitionTable[$flash_index] as $partition_index => $partition) {
            /*
            CISCO-FLASH-MIB::ciscoFlashPartitionSize.6.1 = Gauge32: 2048425984 bytes
            CISCO-FLASH-MIB::ciscoFlashPartitionFreeSpace.6.1 = Gauge32: 1380122624 bytes
            */
            $index = "$flash_index.$partition_index";
            $descr = ($flash['ciscoFlashDeviceDescr'] ? $flash['ciscoFlashDeviceDescr'] : $flash['ciscoFlashDeviceName']);
            // Clean some descriptions:
            // ciscoFlashDeviceDescr.2 = Cat4000 Private Flash Area (Not available for general use)
            [$descr] = explode(' (', $descr);
            if (($flash['ciscoFlashDevicePartitions'] > 1) || ($partition['ciscoFlashPartitionName'][0] === '/')) {
                $descr .= ' - ' . $partition['ciscoFlashPartitionName'];
            }
            /*
            if ($hc)
            {
              $size = $partition['ciscoFlashPartitionSizeExtended'];
              $free = $partition['ciscoFlashPartitionFreeSpaceExtended'];
            } else {
              $size = $partition['ciscoFlashPartitionSize'];
              $free = $partition['ciscoFlashPartitionFreeSpace'];
            }
            $used = $size - $free;
            */

            // FIXME. Skip based on ciscoFlashPartitionStatus: readOnly, runFromFlash, readWrite
            //if ($partition['ciscoFlashPartitionStatus'] != 'readWrite') { continue; }

            //discover_storage($valid['storage'], $device, $index, $fstype, 'CISCO-FLASH-MIB', $descr, 1, $size, $used, array('storage_hc' => $hc));
            discover_storage($valid['storage'], $device, $index, $fstype, 'CISCO-FLASH-MIB', $descr, 1, 1, 0, ['storage_hc' => $hc]); // Fake size/used - updated later by poller
        }
    }
}

unset ($device_tmp, $flash, $flash_index, $partition, $partition_index, $index, $descr, $size, $used, $free, $hc);

//I know, that this too long discovery, but it better than nothing

// EOF