#!/usr/bin/env php
<?php

/*
 * Observium
 *
 *   This file is part of Observium.
 *
 * @package    observium
 * @subpackage billing
 * @author     Adam Armstrong <adama@memetic.org>
 * @copyright  (C) 2006 - 2012 Adam Armstrong
 */

chdir(dirname($argv[0]));

// FIXME - implement cli switches, debugging, etc.
require 'includes/defaults.inc.php';
require 'config.php';
require 'includes/definitions.inc.php';
require 'includes/functions.php';

$iter = '0';

rrdtool_pipe_open($rrd_process, $rrd_pipes);

echo "Starting Polling Session ... \n\n";

foreach (dbFetchRows('SELECT * FROM `bills`') as $bill_data) {
    echo 'Bill : '.$bill_data['bill_name']."\n";

    // replace old bill_gb with bill_quota (we're now storing bytes, not gigabytes)
    if ($bill_data['bill_type'] == 'quota' && !is_numeric($bill_data['bill_quota'])) {
        $bill_data['bill_quota'] = ($bill_data['bill_gb'] * $config['billing']['base'] * $config['billing']['base']);
        dbUpdate(array('bill_quota' => $bill_data['bill_quota']), 'bills', '`bill_id` = ?', array($bill_data['bill_id']));
        echo 'Quota -> '.$bill_data['bill_quota'];
    }

    CollectData($bill_data['bill_id']);
    $iter++;
}


function CollectData($bill_id) {
    $port_list = dbFetchRows('SELECT * FROM `bill_ports` as P, `ports` as I, `devices` as D WHERE P.bill_id=? AND I.port_id = P.port_id AND D.device_id = I.device_id', array($bill_id));
    print_r($port_list);
    $now = dbFetchCell('SELECT NOW()');
    foreach ($port_list as $port_data) {
        $port_id = $port_data['port_id'];
        $host    = $port_data['hostname'];
        $port    = $port_data['port'];

        echo "\nPolling ".$port_data['ifDescr'].' on '.$port_data['hostname']."\n";

        $port_data['in_measurement']  = getValue($port_data['hostname'], $port_data['port'], $port_data['ifIndex'], 'In');
        $port_data['out_measurement'] = getValue($port_data['hostname'], $port_data['port'], $port_data['ifIndex'], 'Out');

        $last_data = getLastPortCounter($port_id, in);
        if ($last_data['state'] == 'ok') {
            $port_data['last_in_measurement'] = $last_data[counter];
            $port_data['last_in_delta']       = $last_data[delta];
            if ($port_data['in_measurement'] > $port_data['last_in_measurement']) {
                $port_data['in_delta'] = ($port_data['in_measurement'] - $port_data['last_in_measurement']);
            }
            else {
                $port_data['in_delta'] = $port_data['last_in_delta'];
            }
        }
        else {
            $port_data['in_delta'] = '0';
        }

        dbInsert(array('port_id' => $port_id, 'timestamp' => $now, 'counter' => $port_data['in_measurement'], 'delta' => $port_data['in_delta']), 'port_in_measurements');

        $last_data = getLastPortCounter($port_id, out);
        if ($last_data[state] == 'ok') {
            $port_data['last_out_measurement'] = $last_data[counter];
            $port_data['last_out_delta']       = $last_data[delta];
            if ($port_data['out_measurement'] > $port_data['last_out_measurement']) {
                $port_data['out_delta'] = ($port_data['out_measurement'] - $port_data['last_out_measurement']);
            }
            else {
                $port_data['out_delta'] = $port_data['last_out_delta'];
            }
        }
        else {
            $port_data['out_delta'] = '0';
        }

        dbInsert(array('port_id' => $port_id, 'timestamp' => $now, 'counter' => $port_data['out_measurement'], 'delta' => $port_data['out_delta']), 'port_out_measurements');

        $delta     = ($delta + $port_data['in_delta'] + $port_data['out_delta']);
        $in_delta  = ($in_delta + $port_data['in_delta']);
        $out_delta = ($out_delta + $port_data['out_delta']);
    }//end foreach

    $last_data = getLastMeasurement($bill_id);

    if ($last_data[state] == 'ok') {
        $prev_delta     = $last_data[delta];
        $prev_in_delta  = $last_data[in_delta];
        $prev_out_delta = $last_data[out_delta];
        $prev_timestamp = $last_data[timestamp];
        $period         = dbFetchCell("SELECT UNIX_TIMESTAMP(CURRENT_TIMESTAMP()) - UNIX_TIMESTAMP('".mres($prev_timestamp)."')");
    }
    else {
        $prev_delta     = '0';
        $period         = '0';
        $prev_in_delta  = '0';
        $prev_out_delta = '0';
    }

    if ($delta < '0') {
        $delta     = $prev_delta;
        $in_delta  = $prev_in_delta;
        $out_delta = $prev_out_delta;
    }

    if ($period < '0') {
        logfile("BILLING: negative period! id:$bill_id period:$period delta:$delta in_delta:$in_delta out_delta:$out_delta");
    }
    else {
        dbInsert(array('bill_id' => $bill_id, 'timestamp' => $now, 'period' => $period, 'delta' => $delta, 'in_delta' => $in_delta, 'out_delta' => $out_delta), 'bill_data');
    }

}//end CollectData()


if ($argv[1]) {
    CollectData($argv[1]);
}

rrdtool_pipe_close($rrd_process, $rrd_pipes);