mirror of
https://github.com/Cacti/cacti.git
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274 lines
8.6 KiB
PHP
274 lines
8.6 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Copyright (C) 2004-2023 The Cacti Group |
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| This program is free software; you can redistribute it and/or |
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| modify it under the terms of the GNU General Public License |
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| as published by the Free Software Foundation; either version 2 |
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| of the License, or (at your option) any later version. |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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+-------------------------------------------------------------------------+
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| Cacti: The Complete RRDtool-based Graphing Solution |
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+-------------------------------------------------------------------------+
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| This code is designed, written, and maintained by the Cacti Group. See |
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| about.php and/or the AUTHORS file for specific developer information. |
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+-------------------------------------------------------------------------+
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| http://www.cacti.net/ |
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+-------------------------------------------------------------------------+
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*/
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require_once(__DIR__ . '/include/cli_check.php');
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require_once($config['base_path'] . '/lib/snmp.php');
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require_once($config['base_path'] . '/lib/poller.php');
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require_once($config['base_path'] . '/lib/rrd.php');
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require_once($config['base_path'] . '/lib/ping.php');
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ini_set('max_execution_time', '0');
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$start = date('Y-m-d H:i:s'); // for runtime measurement
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/* correct for a windows PHP bug. fixed in 5.2.0 */
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if (cacti_count($_SERVER['argv']) < 4) {
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echo "No graph_id, interval, pollerid specified.\n\n";
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echo "Usage: cmd_realtime.php POLLER_ID GRAPH_ID INTERVAL\n\n";
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exit(-1);
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}
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$poller_id = $_SERVER['argv'][1];
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$graph_id = (int)$_SERVER['argv'][2];
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$interval = (int)$_SERVER['argv'][3];
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if ($graph_id <= 0) {
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echo "Invalid graph_id specified.\n\n";
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exit(-1);
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}
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if ($interval <= 0) {
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echo "Invalid interval specified.\n\n";
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exit(-1);
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}
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/* record the start time */
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$start = microtime(true);
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/* initialize the polling items */
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$polling_items = array();
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/* get poller_item for graph_id */
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$local_data_ids = db_fetch_assoc_prepared('SELECT DISTINCT dtr.local_data_id, dl.host_id
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FROM graph_templates_item AS gti
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INNER JOIN data_template_rrd AS dtr
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ON gti.task_item_id=dtr.id
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INNER JOIN data_local AS dl
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ON dl.id=dtr.local_data_id
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WHERE gti.local_graph_id = ?
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AND dtr.local_data_id > 0',
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array($graph_id));
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if (!cacti_count($local_data_ids)) {
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echo "No local_graph_id found\n\n";
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exit(-1);
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}
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$ids = array();
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$hosts = array();
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$idbyhost = array();
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foreach ($local_data_ids as $row) {
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if ($row['local_data_id'] > 0 && $row['host_id'] != '') {
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$ids[$row['local_data_id']] = $row['local_data_id'];
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$hosts[$row['host_id']] = $row['host_id'];
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$idbyhost[$row['host_id']][] = $row['local_data_id'];
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}
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}
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$print_data_to_stdout = true;
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if (cacti_sizeof($idbyhost)) {
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$polling_items = db_fetch_assoc('SELECT *
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FROM poller_item
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WHERE local_data_id IN (' . implode(',', $ids) . ')
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AND host_id IN (' . implode(',', $hosts) . ')
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ORDER BY host_id');
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$script_server_calls = db_fetch_cell('SELECT count(*)
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FROM poller_item
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WHERE action=2
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AND host_id IN (' . implode(',', $hosts) . ')
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AND local_data_id IN (' . implode(',', $ids) . ')');
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/* startup Cacti php polling server and include the include file for script processing */
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if ($script_server_calls > 0) {
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$cactides = array(
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0 => array('pipe', 'r'), // stdin is a pipe that the child will read from
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1 => array('pipe', 'w'), // stdout is a pipe that the child will write to
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2 => array('pipe', 'w') // stderr is a pipe to write to
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);
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if (function_exists('proc_open')) {
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$cactiphp = proc_open(read_config_option('path_php_binary') . ' -q ' . $config['base_path'] . '/script_server.php realtime ' . $poller_id, $cactides, $pipes);
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$output = fgets($pipes[1], 1024);
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$using_proc_function = true;
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} else {
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$using_proc_function = false;
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}
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} else {
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$using_proc_function = false;
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}
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/* all polled items need the same insert time */
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$host_update_time = date('Y-m-d H:i:s');
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foreach ($idbyhost as $host_id => $local_data_ids) {
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$col_poller_id = db_fetch_cell_prepared('SELECT poller_id
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FROM host
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WHERE id = ?', array($host_id));
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$local_data_ids = array(
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'local_data_ids' => $local_data_ids
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);
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if ($col_poller_id > 1) {
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$hostname = db_fetch_cell_prepared('SELECT hostname
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FROM poller
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WHERE id = ?',
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array($col_poller_id));
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$url = get_url_type() . '://' . $hostname .
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$config['url_path'] . '/remote_agent.php' .
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'?action=polldata' .
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'&host_id=' . $host_id .
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'&' . http_build_query($local_data_ids) .
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'&poller_id=' . $poller_id;
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$fgc_contextoption = get_default_contextoption();
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$fgc_context = stream_context_create($fgc_contextoption);
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$output = json_decode(@file_get_contents($url, FALSE, $fgc_context), true);
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if (cacti_sizeof($output)) {
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$sql = '';
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foreach($output as $item) {
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$sql .= ($sql != '' ? ', ':'') . '(' .
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db_qstr($item['local_data_id']) . ', ' .
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db_qstr($item['rrd_name']) . ', ' .
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db_qstr($host_update_time) . ', ' .
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db_qstr($poller_id) . ', ' .
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db_qstr($item['value']) . ')';
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}
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db_execute("INSERT INTO poller_output_realtime
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(local_data_id, rrd_name, time, poller_id, output)
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VALUES $sql");
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}
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} else {
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$poller_items = db_fetch_assoc_prepared('SELECT *
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FROM poller_item
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WHERE host_id = ?
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AND local_data_id IN(' . implode(',', $local_data_ids['local_data_ids']) . ')',
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array($host_id));
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if (cacti_sizeof($poller_items)) {
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foreach($poller_items as $item) {
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switch ($item['action']) {
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case POLLER_ACTION_SNMP: /* snmp */
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if (($item['snmp_version'] == 0) || (($item['snmp_community'] == '') && ($item['snmp_version'] != 3))) {
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$output = 'U';
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} else {
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$host = db_fetch_row_prepared('SELECT ping_retries, max_oids
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FROM host
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WHERE id = ?',
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array($host_id));
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if (!cacti_sizeof($host)) {
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$host['ping_retries'] = 1;
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$host['max_oids'] = 1;
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}
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$session = cacti_snmp_session($item['hostname'], $item['snmp_community'], $item['snmp_version'],
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$item['snmp_username'], $item['snmp_password'], $item['snmp_auth_protocol'], $item['snmp_priv_passphrase'],
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$item['snmp_priv_protocol'], $item['snmp_context'], $item['snmp_engine_id'], $item['snmp_port'],
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$item['snmp_timeout'], $host['ping_retries'], $host['max_oids']);
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if ($session === false) {
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$output = 'U';
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} else {
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$output = cacti_snmp_session_get($session, $item['arg1']);
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$session->close();
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}
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if (prepare_validate_result($output) === false) {
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if (strlen($output) > 20) {
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$strout = 20;
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} else {
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$strout = strlen($output);
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}
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$output = 'U';
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}
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}
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break;
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case POLLER_ACTION_SCRIPT: /* script (popen) */
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$output = trim(exec_poll($item['arg1']));
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if (prepare_validate_result($output) === false) {
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if (strlen($output) > 20) {
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$strout = 20;
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} else {
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$strout = strlen($output);
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}
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$output = 'U';
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}
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break;
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case POLLER_ACTION_SCRIPT_PHP: /* script (php script server) */
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if ($using_proc_function == true) {
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$output = trim(str_replace("\n", '', exec_poll_php($item['arg1'], $using_proc_function, $pipes, $cactiphp)));
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if (prepare_validate_result($output) === false) {
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if (strlen($output) > 20) {
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$strout = 20;
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} else {
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$strout = strlen($output);
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}
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$output = 'U';
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}
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} else {
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$output = 'U';
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}
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break;
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}
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if (isset($output)) {
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db_execute_prepared('INSERT INTO poller_output_realtime
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(local_data_id, rrd_name, time, poller_id, output)
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VALUES
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(?, ?, ?, ?, ?)',
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array($item['local_data_id'], $item['rrd_name'], $host_update_time, $poller_id, $output));
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}
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}
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}
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}
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}
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if (($using_proc_function == true) && ($script_server_calls > 0)) {
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/* close php server process */
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fwrite($pipes[0], "quit\r\n");
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fclose($pipes[0]);
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fclose($pipes[1]);
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fclose($pipes[2]);
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$return_value = proc_close($cactiphp);
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}
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}
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