<?php

/**
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package        observium
 * @subpackage     poller
 * @copyright  (C) Adam Armstrong
 *
 */

echo(' HPICF-IPSLA-MIB ');

// Derp table, not have latest RTT time, mostly Oids is empty
$sla_poll = snmpwalk_cache_oid($device, "hpicfIpSlaHistMinRTT", [], 'HPICF-IPSLA-MIB');
$sla_poll = snmpwalk_cache_oid($device, "hpicfIpSlaHistMaxRTT", $sla_poll, 'HPICF-IPSLA-MIB');

$sla_poll = snmpwalk_cache_oid($device, "hpicfIpSlaHistPacketLoss", $sla_poll, 'HPICF-IPSLA-MIB');
$sla_poll = snmpwalk_cache_oid($device, "hpicfIpSlaHistSentPktNum", $sla_poll, 'HPICF-IPSLA-MIB');
$sla_poll = snmpwalk_cache_oid($device, "hpicfIpSlaAttrNumPkts", $sla_poll, 'HPICF-IPSLA-MIB');

// History table
$sla_hist = snmpwalk_multipart_oid($device, "hpicfIpSlaHistSummStartTime", [], 'HPICF-IPSLA-MIB');
$sla_hist = snmpwalk_multipart_oid($device, "hpicfIpSlaHistSummRTT", $sla_hist, 'HPICF-IPSLA-MIB');
$sla_hist = snmpwalk_multipart_oid($device, "hpicfIpSlaHistSummStatus", $sla_hist, 'HPICF-IPSLA-MIB');

//print_debug_vars($sla_poll);
//print_debug_vars($sla_hist);

foreach ($sla_hist as $sla_index => $hist) {
    // Find latest entry
    $unixtime = 0; // initial
    foreach ($hist as $hist_index => $tmp) {
        if ($tmp['hpicfIpSlaHistSummStartTime'] > $unixtime) {
            $unixtime = $tmp['hpicfIpSlaHistSummStartTime'];
            $entry    = $tmp;
        }
    }
    $entry = array_merge($sla_poll[$sla_index], $entry);
    //print_vars($entry);

    // Convert timestamps to unixtime
    $entry['UnixTime'] = $entry['hpicfIpSlaHistSummStartTime'];

    // Use "named" status
    switch ($entry['hpicfIpSlaHistSummStatus']) {
        case 0:
            $entry['hpicfIpSlaHistSummStatus'] = 'alert';
            break;
        case 1:
            $entry['hpicfIpSlaHistSummStatus'] = 'ok';
            break;
        default:
            // not sure
            $entry['hpicfIpSlaHistSummStatus'] = 'unknown';
    }

    // SLA event
    $sla_array = get_state_array('hpicfIpSlaHistSummStatus', $entry['hpicfIpSlaHistSummStatus'], 'HPICF-IPSLA-MIB');

    $sla_state = [
      'rtt_value'    => $entry['hpicfIpSlaHistSummRTT'],
      'rtt_sense'    => $entry['hpicfIpSlaHistSummStatus'],
      'rtt_unixtime' => $entry['UnixTime'],
      'rtt_event'    => $sla_array['event']
    ];

    $sla_state['rtt_minimum'] = $entry['hpicfIpSlaHistMinRTT'];
    $sla_state['rtt_maximum'] = $entry['hpicfIpSlaHistMaxRTT'];
    if ($entry['hpicfIpSlaHistSentPktNum'] > 0) {
        // HPICF-IPSLA-MIB::hpicfIpSlaHistSentPktNum.4 = Gauge32: 10
        // HPICF-IPSLA-MIB::hpicfIpSlaHistPacketLoss.4 = Gauge32: 100
        $sla_state['rtt_loss']    = ($entry['hpicfIpSlaHistPacketLoss'] > $entry['hpicfIpSlaHistSentPktNum']) ? $entry['hpicfIpSlaHistSentPktNum'] : $entry['hpicfIpSlaHistPacketLoss'];
        $sla_state['rtt_success'] = $entry['hpicfIpSlaHistSentPktNum'] - $sla_state['rtt_loss'];
    } else {
        $sla_state['rtt_loss']    = ($entry['hpicfIpSlaHistPacketLoss'] > $entry['hpicfIpSlaAttrNumPkts']) ? $entry['hpicfIpSlaAttrNumPkts'] : $entry['hpicfIpSlaHistPacketLoss'];
        $sla_state['rtt_success'] = $entry['hpicfIpSlaAttrNumPkts'] - $sla_state['rtt_loss'];
    }

    $cache_sla[$mib_lower][$sla_index] = $sla_state;
}

// EOF