pandorafms/pandora_console/include/functions_network.php

157 lines
3.8 KiB
PHP

<?php
/**
* Network explorer
*
* @package Include.
* @subpackage Network functions.
*
* Pandora FMS - http://pandorafms.com
* ==================================================
* Copyright (c) 2005-2019 Artica Soluciones Tecnologicas
* Please see http://pandorafms.org for full contribution list
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; version 2
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
// Write here requires and definitions.
/**
* Get the tnetwok_matrix summatory data.
*
* @param integer $top Number of hosts to show.
* @param boolean $talker Talker (true) or listetener (false).
* @param integer $start Utimestamp of start time.
* @param integer $end Utimestamp of end time.
* @param string $ip_filter Ip to filter.
* @param boolean $order_by_bytes True by top by bytes. False by packets.
*
* @return array With requested data.
*/
function network_matrix_get_top(
$top,
$talker,
$start,
$end,
$ip_filter='',
$order_by_bytes=true
) {
$field_to_group = ($talker === true) ? 'source' : 'destination';
$field_to_order = ($order_by_bytes === true) ? 'sum_bytes' : 'sum_pkts';
$filter_sql = '';
if (!empty($ip_filter)) {
$filter_field = ($talker === true) ? 'destination' : 'source';
$filter_sql = sprintf('AND %s="%s"', $filter_field, $ip_filter);
}
$sql = sprintf(
'SELECT SUM(bytes) sum_bytes, SUM(pkts) sum_pkts, %s host
FROM tnetwork_matrix
WHERE utimestamp > %d AND utimestamp < %d
%s
GROUP BY %s
ORDER BY %s DESC
LIMIT %d',
$field_to_group,
$start,
$end,
$filter_sql,
$field_to_group,
$field_to_order,
$top
);
$data = db_get_all_rows_sql($sql);
return ($data !== false) ? $data : [];
}
/**
* Get the possible actions on networking.
*
* @param boolean $network True if network. False if netflow.
*
* @return array With the actions to print in a select.
*/
function network_get_report_actions($network)
{
$common_actions = [
'listeners' => __('Top listeners'),
'talkers' => __('Top talkers'),
];
if ($network) {
return $common_actions;
}
return array_merge(
$common_actions,
[
'tcp' => __('Top TCP protocols'),
'udp' => __('Top UDP protocols'),
]
);
}
/**
* Print the header of the network
*
* @param string $title Title of header.
* @param string $order Current ordering.
* @param string $selected Selected order.
* @param array $hidden_data All the data to hide into the button.
*
* @return string With HTML data.
*/
function network_print_explorer_header(
$title,
$order,
$selected,
$hidden_data
) {
$cell = '<div style="display: flex; align-items: center;">';
$cell .= $title;
$cell .= html_print_link_with_params(
'images/arrow-down-white.png',
array_merge($hidden_data, ['order_by' => $order]),
'image',
($selected === $order) ? 'opacity: 0.5' : ''
);
$cell .= '</div>';
return $cell;
}
/**
* Alias for format_for_graph to print bytes.
*
* @param integer $value Value to parse like bytes.
*
* @return string Number parsed.
*/
function network_format_bytes($value)
{
if (!isset($value)) {
$value = 0;
}
$value = (int) $value;
return format_for_graph(
$value,
2,
'.',
',',
1024,
'B'
);
}