<?php
/**
* Auxiliary functions to manage servers.
*
* @category Library
* @package Pandora FMS
* @subpackage Opensource
* @version 1.0.0
* @license See below
*
* ______ ___ _______ _______ ________
* | __ \.-----.--.--.--| |.-----.----.-----. | ___| | | __|
* | __/| _ | | _ || _ | _| _ | | ___| |__ |
* |___| |___._|__|__|_____||_____|__| |___._| |___| |__|_|__|_______|
*
* ============================================================================
* 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 for 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.
* ============================================================================
*/
require_once __DIR__.'/constants.php';
/**
* Get a server.
*
* @param integer $id_server Server id to get.
* @param array $filter Extra filter.
* @param array $fields Fields to get.
*
* @return Server with the given id. False if not available.
*/
function servers_get_server($id_server, $filter=false, $fields=false)
{
if (empty($id_server)) {
return false;
}
if (! is_array($filter)) {
$filter = [];
}
$filter['id_server'] = $id_server;
return @db_get_row_filter('tserver', $filter, $fields);
}
/**
* Get all the server availables.
*
* @return All the servers available.
*/
function servers_get_names()
{
$all_servers = db_get_all_rows_sql(
'SELECT DISTINCT(`name`) as name
FROM tserver
WHERE server_type <> 13'
);
if ($all_servers === false) {
return [];
}
$servers = [];
foreach ($all_servers as $server) {
$servers[$server['name']] = $server['name'];
}
return $servers;
}
/**
* This function forces a recon task to be queued by the server asap.
*
* @param integer $id_recon_task Id.
*
* @return void
*/
function servers_force_recon_task($id_recon_task)
{
$values = [
'utimestamp' => 0,
'status' => 1,
];
db_process_sql_update('trecon_task', $values, ['id_rt' => $id_recon_task]);
}
/**
* Retrieves total number of modules per server.
*
* @return array Modules per server (total).
*/
function servers_get_total_modules()
{
$modules = [];
$modules_from_monitors = db_get_all_rows_sql(
'SELECT
tserver.server_type,
count(tagente_estado.id_agente_modulo) as modules_assigned
FROM tserver, tagente_estado, tagente_modulo, tagente
WHERE tagente.disabled=0
AND tagente_modulo.id_agente = tagente.id_agente
AND tagente_modulo.disabled = 0
AND tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND tagente_estado.running_by = tserver.id_server
GROUP BY tserver.server_type;'
);
if ($modules_from_monitors !== false) {
$modules = array_reduce(
$modules_from_monitors,
function ($carry, $item) {
$carry[$item['server_type']] = $item['modules_assigned'];
return $carry;
}
);
}
$modules[SERVER_TYPE_INVENTORY] = db_get_sql(
'SELECT COUNT(tagent_module_inventory.id_agent_module_inventory)
FROM tagente, tagent_module_inventory
WHERE tagente.disabled=0
AND tagent_module_inventory.id_agente = tagente.id_agente'
);
$modules[SERVER_TYPE_EXPORT] = db_get_sql(
'SELECT COUNT(tagente_modulo.id_agente_modulo)
FROM tagente, tagente_modulo
WHERE tagente.disabled=0
AND tagente_modulo.id_agente = tagente.id_agente
AND tagente_modulo.id_export != 0'
);
return $modules;
}
/**
* This function will get several metrics from the database
* to get info about server performance.
*
* @return array with several data.
*/
function servers_get_performance()
{
global $config;
$data = [];
$data['total_modules'] = 0;
$data['total_remote_modules'] = 0;
$data['total_local_modules'] = 0;
$data['avg_interval_total_modules'] = [];
$data['avg_interval_remote_modules'] = [];
$data['avg_interval_local_modules'] = 0;
$data['local_modules_rate'] = 0;
$data['network_modules_rate'] = 0;
if ($config['realtimestats'] == 1) {
$counts = db_get_all_rows_sql(
'SELECT tagente_modulo.id_modulo,
COUNT(tagente_modulo.id_agente_modulo) modules
FROM tagente_modulo, tagente_estado, tagente
WHERE tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND tagente.id_agente = tagente_estado.id_agente
AND tagente_modulo.disabled = 0
AND delete_pending = 0
AND (utimestamp > 0
OR (id_tipo_modulo = 100
OR (id_tipo_modulo > 21
AND id_tipo_modulo < 23)
)
)
AND tagente.disabled = 0
GROUP BY tagente_modulo.id_modulo'
);
if (empty($counts)) {
$counts = [];
}
foreach ($counts as $c) {
switch ($c['id_modulo']) {
case MODULE_DATA:
$data['total_local_modules'] = $c['modules'];
break;
case MODULE_NETWORK:
$data['total_network_modules'] = $c['modules'];
break;
case MODULE_PLUGIN:
$data['total_plugin_modules'] = $c['modules'];
break;
case MODULE_PREDICTION:
$data['total_prediction_modules'] = $c['modules'];
break;
case MODULE_WMI:
$data['total_wmi_modules'] = $c['modules'];
break;
case MODULE_WEB:
$data['total_web_modules'] = $c['modules'];
break;
default:
// Not possible.
break;
}
if ($c['id_modulo'] != MODULE_DATA) {
$data['total_remote_modules'] += $c['modules'];
}
$data['total_modules'] += $c['modules'];
}
} else {
$counts = db_get_all_rows_sql(
'
SELECT server_type, my_modules modules
FROM tserver
GROUP BY server_type'
);
if (empty($counts)) {
$counts = [];
}
foreach ($counts as $c) {
switch ($c['server_type']) {
case SERVER_TYPE_DATA:
$data['total_local_modules'] = $c['modules'];
break;
case SERVER_TYPE_NETWORK:
case SERVER_TYPE_SNMP:
case SERVER_TYPE_ENTERPRISE_ICMP:
case SERVER_TYPE_ENTERPRISE_SNMP:
$data['total_network_modules'] = $c['modules'];
break;
case SERVER_TYPE_PLUGIN:
$data['total_plugin_modules'] = $c['modules'];
break;
case SERVER_TYPE_PREDICTION:
$data['total_prediction_modules'] = $c['modules'];
break;
case SERVER_TYPE_WMI:
$data['total_wmi_modules'] = $c['modules'];
break;
case SERVER_TYPE_WEB:
$data['total_web_modules'] = $c['modules'];
break;
case SERVER_TYPE_EXPORT:
case SERVER_TYPE_INVENTORY:
case SERVER_TYPE_EVENT:
case SERVER_TYPE_DISCOVERY:
case SERVER_TYPE_SYSLOG:
default:
// Nothing.
break;
}
if ($c['server_type'] != SERVER_TYPE_DATA) {
$data['total_remote_modules'] += $c['modules'];
}
$data['total_modules'] += $c['modules'];
}
}
$interval_avgs = [];
// Avg of modules interval when modules have module_interval > 0.
$interval_avgs_modules = db_get_all_rows_sql(
'SELECT count(tagente_modulo.id_modulo) modules ,
tagente_modulo.id_modulo,
AVG(tagente_modulo.module_interval) avg_interval
FROM tagente_modulo, tagente_estado, tagente
WHERE tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND tagente_modulo.disabled = 0
AND module_interval > 0
AND (utimestamp > 0 OR (
id_tipo_modulo = 100
OR (id_tipo_modulo > 21
AND id_tipo_modulo < 23
)
)
)
AND delete_pending = 0
AND tagente.disabled = 0
AND tagente.id_agente = tagente_estado.id_agente
GROUP BY tagente_modulo.id_modulo'
);
if (empty($interval_avgs_modules)) {
$interval_avgs_modules = [];
}
// Transform into a easily format.
foreach ($interval_avgs_modules as $iamodules) {
$interval_avgs[$iamodules['id_modulo']]['avg_interval'] = $iamodules['avg_interval'];
$interval_avgs[$iamodules['id_modulo']]['modules'] = $iamodules['modules'];
}
// Avg of agents interval when modules have module_interval == 0.
$interval_avgs_agents = db_get_all_rows_sql(
'SELECT count(tagente_modulo.id_modulo) modules ,
tagente_modulo.id_modulo, AVG(tagente.intervalo) avg_interval
FROM tagente_modulo, tagente_estado, tagente
WHERE tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND tagente_modulo.disabled = 0
AND module_interval = 0
AND (utimestamp > 0 OR (id_tipo_modulo = 100 OR (id_tipo_modulo >= 21 AND id_tipo_modulo <= 23)))
AND delete_pending = 0
AND tagente.disabled = 0
AND tagente.id_agente = tagente_estado.id_agente
GROUP BY tagente_modulo.id_modulo'
);
if (empty($interval_avgs_agents)) {
$interval_avgs_agents = [];
}
// Merge with the previous calculated array.
foreach ($interval_avgs_agents as $iaagents) {
if (!isset($interval_avgs[$iaagents['id_modulo']]['modules'])) {
$interval_avgs[$iaagents['id_modulo']]['avg_interval'] = $iaagents['avg_interval'];
$interval_avgs[$iaagents['id_modulo']]['modules'] = $iaagents['modules'];
} else {
$interval_avgs[$iaagents['id_modulo']]['avg_interval'] = servers_get_avg_interval(
$interval_avgs[$iaagents['id_modulo']],
$iaagents
);
$interval_avgs[$iaagents['id_modulo']]['modules'] += $iaagents['modules'];
}
}
$info_servers = array_reduce(
servers_get_info(),
function ($carry, $item) {
$carry[$item['server_type']] = $item;
return $carry;
}
);
foreach ($interval_avgs as $id_modulo => $ia) {
$module_lag = 0;
switch ($id_modulo) {
case MODULE_DATA:
$module_lag = $info_servers[SERVER_TYPE_DATA]['module_lag'];
$data['avg_interval_local_modules'] = $ia['avg_interval'];
$data['local_modules_rate'] = servers_get_rate(
$data['avg_interval_local_modules'],
($data['total_local_modules'] - $module_lag)
);
break;
case MODULE_NETWORK:
$module_lag = $info_servers[SERVER_TYPE_NETWORK]['module_lag'];
$module_lag += $info_servers[SERVER_TYPE_SNMP]['module_lag'];
$module_lag += $info_servers[SERVER_TYPE_ENTERPRISE_ICMP]['module_lag'];
$module_lag += $info_servers[SERVER_TYPE_ENTERPRISE_SNMP]['module_lag'];
$data['avg_interval_network_modules'] = $ia['avg_interval'];
$data['network_modules_rate'] = servers_get_rate(
$data['avg_interval_network_modules'],
($data['total_network_modules'] - $module_lag)
);
break;
case MODULE_PLUGIN:
$module_lag = $info_servers[SERVER_TYPE_PLUGIN]['module_lag'];
$data['avg_interval_plugin_modules'] = $ia['avg_interval'];
$data['plugin_modules_rate'] = servers_get_rate(
$data['avg_interval_plugin_modules'],
($data['total_plugin_modules'] - $module_lag)
);
break;
case MODULE_PREDICTION:
$module_lag = $info_servers[SERVER_TYPE_PREDICTION]['module_lag'];
$data['avg_interval_prediction_modules'] = $ia['avg_interval'];
$data['prediction_modules_rate'] = servers_get_rate(
$data['avg_interval_prediction_modules'],
($data['total_prediction_modules'] - $module_lag)
);
break;
case MODULE_WMI:
$module_lag = $info_servers[SERVER_TYPE_WMI]['module_lag'];
$data['avg_interval_wmi_modules'] = $ia['avg_interval'];
$data['wmi_modules_rate'] = servers_get_rate(
$data['avg_interval_wmi_modules'],
($data['total_wmi_modules'] - $module_lag)
);
break;
case MODULE_WEB:
$module_lag = $info_servers[SERVER_TYPE_WEB]['module_lag'];
$data['avg_interval_web_modules'] = $ia['avg_interval'];
$data['web_modules_rate'] = servers_get_rate(
$data['avg_interval_web_modules'],
($data['total_web_modules'] - $module_lag)
);
break;
default:
// Not possible.
break;
}
if ($id_modulo != MODULE_DATA) {
$data['avg_interval_remote_modules'][] = $ia['avg_interval'];
}
$data['avg_interval_total_modules'][] = $ia['avg_interval'];
}
if (empty($data['avg_interval_remote_modules'])) {
$data['avg_interval_remote_modules'] = 0;
} else {
$data['avg_interval_remote_modules'] = (array_sum($data['avg_interval_remote_modules']) / count($data['avg_interval_remote_modules']));
}
if (empty($data['avg_interval_total_modules'])) {
$data['avg_interval_total_modules'] = 0;
} else {
$data['avg_interval_total_modules'] = (array_sum($data['avg_interval_total_modules']) / count($data['avg_interval_total_modules']));
}
$total_modules_lag = 0;
foreach ($info_servers as $key => $value) {
switch ($key) {
case SERVER_TYPE_DATA:
case SERVER_TYPE_NETWORK:
case SERVER_TYPE_SNMP:
case SERVER_TYPE_ENTERPRISE_ICMP:
case SERVER_TYPE_ENTERPRISE_SNMP:
case SERVER_TYPE_PLUGIN:
case SERVER_TYPE_PREDICTION:
case SERVER_TYPE_WMI:
case SERVER_TYPE_WEB:
$total_modules_lag += $value['module_lag'];
break;
default:
// Not possible.
break;
}
}
$data['remote_modules_rate'] = servers_get_rate(
$data['avg_interval_remote_modules'],
$data['total_remote_modules']
);
$data['total_modules_rate'] = servers_get_rate(
$data['avg_interval_total_modules'],
($data['total_modules'] - $total_modules_lag)
);
return ($data);
}
/**
* Get avg interval.
*
* @param array $modules_avg_interval1 Array with avg and count
* data of first part.
* @param array $modules_avg_interval2 Array with avg and count
* data of second part.
*
* @return float number of avg modules between two parts.
*/
function servers_get_avg_interval(
$modules_avg_interval1,
$modules_avg_interval2
) {
$total_modules = ($modules_avg_interval1['modules'] + $modules_avg_interval2['modules']);
$parcial1 = ($modules_avg_interval1['avg_interval'] * $modules_avg_interval1['modules']);
$parcial2 = ($modules_avg_interval2['avg_interval'] * $modules_avg_interval2['modules']);
return (($parcial1 + $parcial2) / $total_modules);
}
/**
* Get server rate
*
* @param float $avg_interval Avg of interval of these modules.
* @param integer $num_modules Number of modules.
*
* @return float number of modules processed by second
*/
function servers_get_rate($avg_interval, $num_modules)
{
return ($avg_interval > 0) ? ($num_modules / $avg_interval) : 0;
}
/**
* This function will get all the server information in an array
* or a specific server.
*
* @param integer $id_server An optional integer or array of integers
* to select specific servers.
*
* @return mixed False in case the server doesn't exist or an array with info.
*/
function servers_get_info($id_server=-1)
{
global $config;
if (is_array($id_server)) {
$select_id = ' WHERE id_server IN ('.implode(',', $id_server).')';
} else if ($id_server > 0) {
$select_id = ' WHERE id_server IN ('.(int) $id_server.')';
} else {
$select_id = '';
}
$sql = '
SELECT *
FROM tserver '.$select_id.'
ORDER BY server_type';
$result = db_get_all_rows_sql($sql);
$time = get_system_time();
if (empty($result)) {
return false;
}
$return = [];
foreach ($result as $server) {
switch ($server['server_type']) {
case SERVER_TYPE_DATA:
$server['img'] = html_print_image(
'images/data.png',
true,
['title' => __('Data server')]
);
$server['type'] = 'data';
$id_modulo = 1;
break;
case SERVER_TYPE_NETWORK:
$server['img'] = html_print_image(
'images/network.png',
true,
['title' => __('Network server')]
);
$server['type'] = 'network';
$id_modulo = 2;
break;
case SERVER_TYPE_SNMP:
$server['img'] = html_print_image(
'images/snmp.png',
true,
['title' => __('SNMP Trap server')]
);
$server['type'] = 'snmp';
$id_modulo = 0;
break;
case SERVER_TYPE_DISCOVERY:
$server['img'] = html_print_image(
'images/recon.png',
true,
['title' => __('Discovery server')]
);
$server['type'] = 'recon';
$id_modulo = 0;
break;
case SERVER_TYPE_PLUGIN:
$server['img'] = html_print_image(
'images/plugin.png',
true,
['title' => __('Plugin server')]
);
$server['type'] = 'plugin';
$id_modulo = 4;
break;
case SERVER_TYPE_PREDICTION:
$server['img'] = html_print_image(
'images/chart_bar.png',
true,
['title' => __('Prediction server')]
);
$server['type'] = 'prediction';
$id_modulo = 5;
break;
case SERVER_TYPE_WMI:
$server['img'] = html_print_image(
'images/wmi.png',
true,
['title' => __('WMI server')]
);
$server['type'] = 'wmi';
$id_modulo = 6;
break;
case SERVER_TYPE_EXPORT:
$server['img'] = html_print_image(
'images/server_export.png',
true,
['title' => __('Export server')]
);
$server['type'] = 'export';
$id_modulo = 0;
break;
case SERVER_TYPE_INVENTORY:
$server['img'] = html_print_image(
'images/page_white_text.png',
true,
['title' => __('Inventory server')]
);
$server['type'] = 'inventory';
$id_modulo = 0;
break;
case SERVER_TYPE_WEB:
$server['img'] = html_print_image(
'images/world.png',
true,
['title' => __('Web server')]
);
$server['type'] = 'web';
$id_modulo = 0;
break;
case SERVER_TYPE_EVENT:
$server['img'] = html_print_image(
'images/lightning_go.png',
true,
['title' => __('Event server')]
);
$server['type'] = 'event';
$id_modulo = 2;
break;
case SERVER_TYPE_ENTERPRISE_ICMP:
$server['img'] = html_print_image(
'images/network.png',
true,
['title' => __('Enterprise ICMP server')]
);
$server['type'] = 'enterprise icmp';
$id_modulo = 2;
break;
case SERVER_TYPE_ENTERPRISE_SNMP:
$server['img'] = html_print_image(
'images/network.png',
true,
['title' => __('Enterprise SNMP server')]
);
$server['type'] = 'enterprise snmp';
$id_modulo = 2;
break;
case SERVER_TYPE_ENTERPRISE_SATELLITE:
$server['img'] = html_print_image(
'images/satellite.png',
true,
['title' => __('Enterprise Satellite server')]
);
$server['type'] = 'enterprise satellite';
$id_modulo = 0;
break;
case SERVER_TYPE_ENTERPRISE_TRANSACTIONAL:
$server['img'] = html_print_image(
'images/transactional_map.png',
true,
['title' => __('Enterprise Transactional server')]
);
$server['type'] = 'enterprise transactional';
$id_modulo = 0;
break;
case SERVER_TYPE_MAINFRAME:
$server['img'] = html_print_image(
'images/mainframe.png',
true,
['title' => __('Mainframe server')]
);
$server['type'] = 'mainframe';
$id_modulo = 0;
break;
case SERVER_TYPE_SYNC:
$server['img'] = html_print_image(
'images/sync.png',
true,
['title' => __('Sync server')]
);
$server['type'] = 'sync';
$id_modulo = 0;
break;
case SERVER_TYPE_WUX:
$server['img'] = html_print_image(
'images/icono-wux.png',
true,
['title' => __('Wux server')]
);
$server['type'] = 'wux';
$id_modulo = 0;
break;
case SERVER_TYPE_SYSLOG:
$server['img'] = html_print_image(
'images/syslog.png',
true,
['title' => __('Log server')]
);
$server['type'] = 'syslog';
$id_modulo = 0;
break;
case SERVER_TYPE_AUTOPROVISION:
$server['img'] = html_print_image(
'images/autoprovision.png',
true,
['title' => __('Autoprovision server')]
);
$server['type'] = 'autoprovision';
$id_modulo = 0;
break;
case SERVER_TYPE_MIGRATION:
$server['img'] = html_print_image(
'images/migration.png',
true,
['title' => __('Migration server')]
);
$server['type'] = 'migration';
$id_modulo = 0;
break;
default:
$server['img'] = '';
$server['type'] = 'unknown';
$id_modulo = 0;
break;
}
if ($config['realtimestats'] == 0) {
// Take data from database if not realtime stats.
$server['lag'] = db_get_sql(
'SELECT lag_time
FROM tserver
WHERE id_server = '.$server['id_server']
);
$server['module_lag'] = db_get_sql(
'SELECT lag_modules
FROM tserver
WHERE id_server = '.$server['id_server']
);
$server['modules'] = db_get_sql(
'SELECT my_modules
FROM tserver
WHERE id_server = '.$server['id_server']
);
$server['modules_total'] = db_get_sql(
'SELECT total_modules_running
FROM tserver
WHERE id_server = '.$server['id_server']
);
} else {
// Take data in realtime.
$server['module_lag'] = 0;
$server['lag'] = 0;
// Inventory server.
if ($server['server_type'] == SERVER_TYPE_INVENTORY) {
// Get modules exported by this server.
$server['modules'] = db_get_sql(
"SELECT COUNT(tagent_module_inventory.id_agent_module_inventory)
FROM tagente, tagent_module_inventory
WHERE tagente.disabled=0
AND tagent_module_inventory.id_agente = tagente.id_agente
AND tagente.server_name = '".$server['name']."'"
);
// Get total exported modules.
$server['modules_total'] = db_get_sql(
'SELECT COUNT(tagent_module_inventory.id_agent_module_inventory)
FROM tagente, tagent_module_inventory
WHERE tagente.disabled=0
AND tagent_module_inventory.id_agente = tagente.id_agente'
);
$interval_esc = db_escape_key_identifier('interval');
// Get the module lag.
$server['module_lag'] = db_get_sql(
'SELECT COUNT(tagent_module_inventory.id_agent_module_inventory) AS module_lag
FROM tagente, tagent_module_inventory
WHERE utimestamp > 0
AND tagent_module_inventory.id_agente = tagente.id_agente
AND tagent_module_inventory.'.$interval_esc." > 0
AND tagente.server_name = '".$server['name']."'
AND (UNIX_TIMESTAMP() - utimestamp) < (tagent_module_inventory.".$interval_esc.' * 10)
AND (UNIX_TIMESTAMP() - utimestamp) > tagent_module_inventory.'.$interval_esc
);
// Get the lag.
$server['lag'] = db_get_sql(
'SELECT AVG(UNIX_TIMESTAMP() - utimestamp - tagent_module_inventory.'.$interval_esc.')
FROM tagente, tagent_module_inventory
WHERE utimestamp > 0
AND tagent_module_inventory.id_agente = tagente.id_agente
AND tagent_module_inventory.'.$interval_esc." > 0
AND tagente.server_name = '".$server['name']."'
AND (UNIX_TIMESTAMP() - utimestamp) < (tagent_module_inventory.".$interval_esc.' * 10)
AND (UNIX_TIMESTAMP() - utimestamp) > tagent_module_inventory.'.$interval_esc
);
// Export server.
} else if ($server['server_type'] == SERVER_TYPE_EXPORT) {
// Get modules exported by this server.
$server['modules'] = db_get_sql(
'SELECT COUNT(tagente_modulo.id_agente_modulo)
FROM tagente, tagente_modulo, tserver_export
WHERE tagente.disabled=0
AND tagente_modulo.id_agente = tagente.id_agente
AND tagente_modulo.id_export = tserver_export.id
AND tserver_export.id_export_server = '.$server['id_server']
);
// Get total exported modules.
$server['modules_total'] = db_get_sql(
'SELECT COUNT(tagente_modulo.id_agente_modulo)
FROM tagente, tagente_modulo
WHERE tagente.disabled=0
AND tagente_modulo.id_agente = tagente.id_agente
AND tagente_modulo.id_export != 0'
);
$server['lag'] = 0;
$server['module_lag'] = 0;
} else if ($server['server_type'] == SERVER_TYPE_DISCOVERY) {
// Discovery server.
$server['name'] = '<a href="index.php?sec=estado&sec2=operation/servers/recon_view&server_id='.$server['id_server'].'">'.$server['name'].'</a>';
// Total jobs running on this Discovery server.
$server['modules'] = db_get_sql(
'SELECT COUNT(id_rt)
FROM trecon_task
WHERE id_recon_server = '.$server['id_server']
);
// Total recon jobs (all servers).
$server['modules_total'] = db_get_sql(
'SELECT COUNT(status) FROM trecon_task'
);
// Lag (take average active time of all active tasks).
$server['module_lag'] = 0;
$server['lag'] = db_get_sql(
'SELECT UNIX_TIMESTAMP() - utimestamp
FROM trecon_task
WHERE UNIX_TIMESTAMP() > (utimestamp + interval_sweep)
AND id_recon_server = '.$server['id_server']
);
$server['module_lag'] = db_get_sql(
'SELECT COUNT(id_rt)
FROM trecon_task
WHERE UNIX_TIMESTAMP() > (utimestamp + interval_sweep)
AND id_recon_server = '.$server['id_server']
);
} else {
// Data, Plugin, WMI, Network and Others.
$server['modules'] = db_get_sql(
'SELECT count(tagente_estado.id_agente_modulo)
FROM tagente_estado, tagente_modulo, tagente
WHERE tagente.disabled=0
AND tagente_modulo.id_agente = tagente.id_agente
AND tagente_modulo.disabled = 0
AND tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND tagente_estado.running_by = '.$server['id_server']
);
$server['modules_total'] = db_get_sql(
'SELECT count(tagente_estado.id_agente_modulo)
FROM tserver, tagente_estado, tagente_modulo, tagente
WHERE tagente.disabled=0
AND tagente_modulo.id_agente = tagente.id_agente
AND tagente_modulo.disabled = 0
AND tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND tagente_estado.running_by = tserver.id_server
AND tserver.server_type = '.$server['server_type']
);
// Remote servers LAG Calculation (server_type != 0).
if ($server['server_type'] != 0) {
// MySQL 8.0 has function lag(). So, lag must be enclosed in quotations.
$result = db_get_row_sql(
'SELECT COUNT(tagente_modulo.id_agente_modulo) AS module_lag,
AVG(UNIX_TIMESTAMP() - utimestamp - current_interval) AS "lag"
FROM tagente_estado, tagente_modulo, tagente
WHERE utimestamp > 0
AND tagente.disabled = 0
AND tagente.id_agente = tagente_estado.id_agente
AND tagente_modulo.disabled = 0
AND tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND current_interval > 0
AND running_by = '.$server['id_server'].'
AND (UNIX_TIMESTAMP() - utimestamp) < ( current_interval * 10)
AND (UNIX_TIMESTAMP() - utimestamp) > current_interval'
);
} else {
// Local/Dataserver server LAG calculation.
// MySQL 8.0 has function lag(). So, lag must be enclosed in quotations.
$result = db_get_row_sql(
'SELECT COUNT(tagente_modulo.id_agente_modulo) AS module_lag,
AVG(UNIX_TIMESTAMP() - utimestamp - current_interval) AS "lag"
FROM tagente_estado, tagente_modulo, tagente
WHERE utimestamp > 0
AND tagente.disabled = 0
AND tagente.id_agente = tagente_estado.id_agente
AND tagente_modulo.disabled = 0
AND tagente_modulo.id_tipo_modulo < 5
AND tagente_modulo.id_agente_modulo = tagente_estado.id_agente_modulo
AND current_interval > 0
AND (UNIX_TIMESTAMP() - utimestamp) < ( current_interval * 10)
AND running_by = '.$server['id_server'].'
AND (UNIX_TIMESTAMP() - utimestamp) > (current_interval * 1.1)'
);
}
// Lag over current_interval * 2 is not lag,
// it's a timed out module.
if (!empty($result['lag'])) {
$server['lag'] = $result['lag'];
}
if (!empty($result['module_lag'])) {
$server['module_lag'] = $result['module_lag'];
}
}
}
if (isset($server['module_lag'])) {
$server['lag_txt'] = (($server['lag'] == 0) ? '-' : human_time_description_raw($server['lag'])).' / '.$server['module_lag'];
} else {
$server['lag_txt'] = '';
}
if ($server['modules_total'] > 0) {
$server['load'] = round(
($server['modules'] / $server['modules_total'] * 100)
);
} else {
$server['load'] = 0;
}
// Push the raw data on the return stack.
$return[$server['id_server']] = $server;
}
return $return;
}
/**
* Get server type
*
* @param integer $type Type.
*
* @return array Result.
*/
function servers_get_servers_type($type)
{
return db_get_all_rows_filter('tserver', ['server_type' => $type]);
}
/**
* Get the server name.
*
* @param integer $id_server Server id.
*
* @return string Name of the given server
*/
function servers_get_name($id_server)
{
return (string) db_get_value(
'name',
'tserver',
'id_server',
(int) $id_server
);
}
/**
* Get the presence of .conf and .md5 into remote_config dir.
*
* @param string $server_name Agent name.
*
* @return true If files exist and are writable.
*/
function servers_check_remote_config($server_name)
{
global $config;
$server_md5 = md5($server_name, false);
$filenames = [];
$filenames['md5'] = io_safe_output(
$config['remote_config']
).'/md5/'.$server_md5.'.srv.md5';
$filenames['conf'] = io_safe_output(
$config['remote_config']
).'/conf/'.$server_md5.'.srv.conf';
if (! isset($filenames['conf'])) {
return false;
}
if (! isset($filenames['md5'])) {
return false;
}
return (file_exists($filenames['conf'])
&& is_writable($filenames['conf'])
&& file_exists($filenames['md5'])
&& is_writable($filenames['md5']));
}
/**
* Return a string containing image tag for a given target id (server).
* TODO: Make this print_servertype_icon and move to functions_ui.php.
* Make XHTML compatible. Make string translatable.
*
* @param integer $id Server type id.
*
* @deprecated Use print_servertype_icon instead.
*
* @return string Fully formatted IMG HTML tag with icon.
*/
function servers_show_type($id)
{
global $config;
switch ($id) {
case 1:
$return = html_print_image(
'images/database.png',
true,
['title' => get_product_name().' Data server']
);
break;
case 2:
$return = html_print_image(
'images/network.png',
true,
['title' => get_product_name().' Network server']
);
break;
case 4:
$return = html_print_image(
'images/plugin.png',
true,
['title' => get_product_name().' Plugin server']
);
break;
case 5:
$return = html_print_image(
'images/chart_bar.png',
true,
['title' => get_product_name().' Prediction server']
);
break;
case 6:
$return = html_print_image(
'images/wmi.png',
true,
['title' => get_product_name().' WMI server']
);
break;
case 7:
$return = html_print_image(
'images/server_web.png',
true,
['title' => get_product_name().' WEB server']
);
break;
case 8:
$return = html_print_image(
'images/module-wux.png',
true,
['title' => get_product_name().' WUX server']
);
break;
default:
$return = '--';
break;
}
return $return;
}
/**
* Get the numbers of servers up.
*
* This check assumes that server_keepalive should be at least 15 minutes.
*
* @return integer The number of servers alive.
*/
function servers_check_status()
{
global $config;
$sql = 'SELECT COUNT(id_server)
FROM tserver
WHERE status = 1
AND keepalive > NOW() - INTERVAL server_keepalive*2 SECOND';
$status = (int) db_get_sql($sql);
// Cast as int will assure a number value
// This function should just ack of server down, not set it down.
return $status;
}
/**
* Get statistical information for a given server
*
* @param integer $id_server Server id to get status.
*
* @return array Server info array
*/
function servers_get_status($id_server)
{
$serverinfo = servers_get_info($id_server);
return $serverinfo[$id_server];
}
/**
* Return server name based on identifier.
*
* @param integer $server Server identifier.
*
* @return string Server name
*/
function servers_get_server_string_name(int $server)
{
switch ($server) {
case SERVER_TYPE_DATA:
return __('Data server');
case SERVER_TYPE_NETWORK:
return __('Network server');
case SERVER_TYPE_SNMP:
return __('SNMP server');
case SERVER_TYPE_ENTERPRISE_ICMP:
return __('Enterprise ICMP server');
case SERVER_TYPE_ENTERPRISE_SNMP:
return __('Enterprise SNMP server');
case SERVER_TYPE_PLUGIN:
return __('Plugin server');
case SERVER_TYPE_PREDICTION:
return __('Prediction Server');
case SERVER_TYPE_WMI:
return __('WMI server');
case SERVER_TYPE_WEB:
return __('Web server');
case SERVER_TYPE_EXPORT:
return __('Export server');
case SERVER_TYPE_INVENTORY:
return __('Inventory server');
case SERVER_TYPE_EVENT:
return __('Event server');
case SERVER_TYPE_DISCOVERY:
return __('Discovery server');
case SERVER_TYPE_SYSLOG:
return __('Log server');
case SERVER_TYPE_WUX:
return __('WUX server');
case SERVER_TYPE_ENTERPRISE_SATELLITE:
return __('Satellite');
default:
return __('N/A');
}
}