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|
<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2024 The Cacti Group |
| |
| 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; either version 2 |
| of the License, or (at your option) any later version. |
| |
| 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. |
+-------------------------------------------------------------------------+
| Cacti: The Complete RRDtool-based Graphing Solution |
+-------------------------------------------------------------------------+
| This code is designed, written, and maintained by the Cacti Group. See |
| about.php and/or the AUTHORS file for specific developer information. |
+-------------------------------------------------------------------------+
| http://www.cacti.net/ |
+-------------------------------------------------------------------------+
*/
function api_poller_cache_item_add($host_id, $host_field_override, $local_data_id, $rrd_step, $poller_action_id, $data_source_item_name, $num_rrd_items, $arg1 = '', $arg2 = '', $arg3 = '') {
static $hosts = array();
if (!isset($hosts[$host_id])) {
$host = db_fetch_row_prepared('SELECT ' . SQL_NO_CACHE . '
id, poller_id, hostname, snmp_community, snmp_version,
snmp_username, snmp_password, snmp_auth_protocol, snmp_priv_passphrase,
snmp_priv_protocol, snmp_context, snmp_engine_id, snmp_port,
snmp_timeout, disabled
FROM host
WHERE id = ?',
array($host_id));
if (cacti_sizeof($host)) {
$hosts[$host_id] = $host;
}
} else {
$host = $hosts[$host_id];
}
if (cacti_sizeof($host) || (isset($host_id))) {
if (isset($host['disabled']) && $host['disabled'] == 'on') {
return;
}
if (!isset($host['id'])) {
// host id 0 can not have snmp
if ($poller_action_id == POLLER_ACTION_SNMP) {
return;
}
$host['id'] = 0;
$host['poller_id'] = 1;
$host['snmp_community'] = '';
$host['snmp_timeout'] = '';
$host['snmp_username'] = '';
$host['snmp_password'] = '';
$host['snmp_auth_protocol'] = '';
$host['snmp_priv_passphrase'] = '';
$host['snmp_priv_protocol'] = '';
$host['snmp_context'] = '';
$host['snmp_engine_id'] = '';
$host['snmp_version'] = '';
$host['snmp_port'] = '';
$host['hostname'] = 'None';
$hosts[0] = $host;
}
/* the $host_field_override array can be used to override certain host fields in the poller cache */
if (cacti_sizeof($host_field_override)) {
$host = array_merge($host, $host_field_override);
}
// don't add to poller cache for wrong snmp information
if ($poller_action_id == POLLER_ACTION_SNMP) {
if (($host['snmp_version'] < 1) || ($host['snmp_version'] > 3) ||
($host['snmp_community'] == '' && $host['snmp_version'] != 3)) {
return;
}
}
$rrd_next_step = api_poller_get_rrd_next_step($host_id, $rrd_step, $local_data_id);
return "($local_data_id, " . $host['poller_id'] . ', ' .
$host['id'] . ", $poller_action_id," .
db_qstr($host['hostname']) . ', ' . db_qstr($host['snmp_community']) . ', ' .
db_qstr($host['snmp_version']) . ', ' . db_qstr($host['snmp_timeout']) . ', ' .
db_qstr($host['snmp_username']) . ', ' . db_qstr($host['snmp_password']) . ', ' .
db_qstr($host['snmp_auth_protocol']) . ', ' . db_qstr($host['snmp_priv_passphrase']) . ', ' .
db_qstr($host['snmp_priv_protocol']) . ', ' . db_qstr($host['snmp_context']) . ', ' .
db_qstr($host['snmp_engine_id']) . ', ' . db_qstr($host['snmp_port']) . ', ' .
db_qstr($data_source_item_name) . ', ' . db_qstr(clean_up_path(get_data_source_path($local_data_id, true))) . ', ' .
db_qstr($num_rrd_items) . ', ' . db_qstr($rrd_step) . ', ' .
db_qstr($rrd_next_step) . ', ' . db_qstr($arg1) . ', ' .
db_qstr($arg2) . ', ' . db_qstr($arg3) . ", '1')";
}
}
function api_poller_get_rrd_next_step($host_id, $rrd_step, $local_data_id) {
global $config;
static $rrd_step_counter = 0;
static $last_host = -1;
static $last_data_id = -1;
static $warning_issued = false;
$poller_interval = read_config_option('poller_interval');
$rrd_next_step = 0;
if (empty($poller_interval)) {
$poller_interval = 300;
}
if ($rrd_step < $poller_interval && !$warning_issued) {
$message = sprintf('WARNING: The Poller Interval is %s and you have a Data Source with a sampling interval of %s. Change your Poller Interval to %s seconds, and repopulate your poller cache.', $poller_interval, $rrd_step, $rrd_step);
admin_email('Cacti Poller Interval Warning', $message);
cacti_log($message, false, 'POLLER');
$warning_issued = true;
}
$process_leveling = read_config_option('process_leveling');
if ($last_host != $host_id || $process_leveling != 'on') {
$rrd_step_counter = 0;
} elseif ($rrd_step != $poller_interval) {
if ($last_data_id != $local_data_id) {
$rrd_step_counter++;
}
$modulus = ceil($rrd_step / $poller_interval);
$rrd_next_step = $poller_interval * ($rrd_step_counter % $modulus);
}
$last_host = $host_id;
$last_data_id = $local_data_id;
return $rrd_next_step;
}
|
