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cmd_realtime.php
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<?php
/*
+-------------------------------------------------------------------------+
| Copyright (C) 2004-2016 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/ |
+-------------------------------------------------------------------------+
*/
/* do NOT run this script through a web browser */
if (!isset($_SERVER["argv"][0]) || isset($_SERVER['REQUEST_METHOD']) || isset($_SERVER['REMOTE_ADDR'])) {
die("<br>This script is only meant to run at the command line.");
}
$start = date("Y-n-d H:i:s"); // for runtime measurement
ini_set("max_execution_time", "0");
/* we are not talking to the browser */
$no_http_headers = true;
include('./include/global.php');
include_once($config["base_path"] . "/lib/snmp.php");
include_once($config["base_path"] . "/lib/poller.php");
include_once($config["base_path"] . "/lib/rrd.php");
include_once($config["base_path"] . "/lib/ping.php");
/* correct for a windows PHP bug. fixed in 5.2.0 */
if (count($_SERVER['argv']) < 4) {
echo "No graph_id, interval, pollerid specified.\n\n";
echo "Usage: cmd_rt.php POLLER_ID GRAPH_ID INTERVAL\n\n";
exit(-1);
}
$poller_id = $_SERVER['argv'][1];
$graph_id = (int)$_SERVER['argv'][2];
$interval = (int)$_SERVER['argv'][3];
if ($graph_id <= 0) {
echo "Invalid graph_id specified.\n\n";
exit(-1);
}
if ($interval <= 0) {
echo "Invalid interval specified.\n\n";
exit(-1);
}
/* record the start time */
$start = microtime(true);
/* initialize the polling items */
$polling_items = array();
/* get poller_item for graph_id */
$local_data_ids = db_fetch_assoc("SELECT DISTINCT data_template_rrd.local_data_id
FROM graph_templates_item
LEFT JOIN data_template_rrd ON (graph_templates_item.task_item_id=data_template_rrd.id)
WHERE graph_templates_item.local_graph_id=$graph_id
AND data_template_rrd.local_data_id IS NOT NULL");
if (!count($local_data_ids)) {
echo "No local_graph_id found\n\n";
exit(-1);
}
$ids = array();
foreach ($local_data_ids as $row) $ids[] = $row['local_data_id'];
/* check arguments */
$polling_items = db_fetch_assoc("SELECT *
FROM poller_item
WHERE local_data_id IN (".implode(',', $ids).")
ORDER by host_id");
$script_server_calls = db_fetch_cell("SELECT count(*)
FROM poller_item
WHERE (action=2)");
$print_data_to_stdout = true;
/* get the number of polling items from the database */
$hosts = db_fetch_assoc("SELECT * FROM host WHERE disabled = '' ORDER by id");
/* rework the hosts array to be searchable */
$hosts = array_rekey($hosts, "id", $host_struc);
$host_count = sizeof($hosts);
$script_server_calls = db_fetch_cell("SELECT count(*) from poller_item WHERE action=2");
if ((sizeof($polling_items) > 0)) {
/* startup Cacti php polling server and include the include file for script processing */
if ($script_server_calls > 0) {
$cactides = array(
0 => array("pipe", "r"), // stdin is a pipe that the child will read from
1 => array("pipe", "w"), // stdout is a pipe that the child will write to
2 => array("pipe", "w") // stderr is a pipe to write to
);
if (function_exists("proc_open")) {
$cactiphp = proc_open(read_config_option("path_php_binary") . " -q " . $config["base_path"] . "/script_server.php realtime", $cactides, $pipes);
$output = fgets($pipes[1], 1024);
$using_proc_function = true;
}else {
$using_proc_function = false;
}
}else{
$using_proc_function = FALSE;
}
/* all polled items need the same insert time */
$host_update_time = date("Y-m-d H:i:s");
foreach ($polling_items as $item) {
$data_source = $item["local_data_id"];
$host_id = $item["host_id"];
switch ($item["action"]) {
case POLLER_ACTION_SNMP: /* snmp */
if (($item["snmp_version"] == 0) || (($item["snmp_community"] == "") && ($item["snmp_version"] != 3))) {
$output = "U";
}else {
$output = cacti_snmp_get($item["hostname"], $item["snmp_community"], $item["arg1"],
$item["snmp_version"], $item["snmp_username"], $item["snmp_password"],
$item["snmp_auth_protocol"], $item["snmp_priv_passphrase"], $item["snmp_priv_protocol"],
$item["snmp_context"], $item["snmp_port"], $item["snmp_timeout"], read_config_option("snmp_retries"), SNMP_CMDPHP);
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
$output = "U";
}
}
break;
case POLLER_ACTION_SCRIPT: /* script (popen) */
$output = trim(exec_poll($item["arg1"]));
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
$output = "U";
}
break;
case POLLER_ACTION_SCRIPT_PHP: /* script (php script server) */
if ($using_proc_function == true) {
$output = trim(str_replace("\n", "", exec_poll_php($item["arg1"], $using_proc_function, $pipes, $cactiphp)));
/* remove any quotes from string */
$output = strip_quotes($output);
if (!validate_result($output)) {
if (strlen($output) > 20) {
$strout = 20;
} else {
$strout = strlen($output);
}
$output = "U";
}
}else{
$output = "U";
}
break;
}
if (isset($output)) {
db_execute_prepared("REPLACE INTO poller_output_realtime
(local_data_id, rrd_name, time, poller_id, output)
VALUES
(?, ?, ?, ?, ?)",
array($item["local_data_id"], $item["rrd_name"], $host_update_time, $poller_id, $output));
}
}
if (($using_proc_function == true) && ($script_server_calls > 0)) {
/* close php server process */
fwrite($pipes[0], "quit\r\n");
fclose($pipes[0]);
fclose($pipes[1]);
fclose($pipes[2]);
$return_value = proc_close($cactiphp);
}
}
?>