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<?php
namespace Elastica\Node;
use Elastica\Node as BaseNode;
use Elastica\Request;
/**
* Elastica cluster node object
*
* @category Xodoa
* @package Elastica
* @author Nicolas Ruflin <spam@ruflin.com>
* @link http://www.elasticsearch.org/guide/reference/api/admin-indices-status.html
*/
class Info
{
/**
* Response
*
* @var \Elastica\Response Response object
*/
protected $_response = null;
/**
* Stats data
*
* @var array stats data
*/
protected $_data = array();
/**
* Node
*
* @var \Elastica\Node Node object
*/
protected $_node = null;
/**
* Query parameters
*
* @var array
*/
protected $_params = array();
/**
* Create new info object for node
*
* @param \Elastica\Node $node Node object
* @param array $params List of params to return. Can be: settings, os, process, jvm, thread_pool, network, transport, http
*/
public function __construct(BaseNode $node, array $params = array())
{
$this->_node = $node;
$this->refresh($params);
}
/**
* Returns the entry in the data array based on the params.
* Several params possible.
*
* Example 1: get('os', 'mem', 'total') returns total memory of the system the
* node is running on
* Example 2: get('os', 'mem') returns an array with all mem infos
*
* @return mixed Data array entry or null if not found
*/
public function get()
{
$data = $this->getData();
foreach (func_get_args() as $arg) {
if (isset($data[$arg])) {
$data = $data[$arg];
} else {
return null;
}
}
return $data;
}
/**
* Return port of the node
*
* @return string Returns Node port
*/
public function getPort()
{
// Returns string in format: inet[/192.168.1.115:9201]
$data = $this->get('http_address');
$data = substr($data, 6, strlen($data) - 7);
$data = explode(':', $data);
return $data[1];
}
/**
* Return IP of the node
*
* @return string Returns Node ip address
*/
public function getIp()
{
// Returns string in format: inet[/192.168.1.115:9201]
$data = $this->get('http_address');
$data = substr($data, 6, strlen($data) - 7);
$data = explode(':', $data);
return $data[0];
}
/**
* Return data regarding plugins installed on this node
* @return array plugin data
* @link http://www.elasticsearch.org/guide/reference/api/admin-cluster-nodes-info/
*/
public function getPlugins()
{
if(!in_array('plugins', $this->_params)) {
//Plugin data was not retrieved when refresh() was called last. Get it now.
$this->_params[] = 'plugins';
$this->refresh($this->_params);
}
return $this->get('plugins');
}
/**
* Check if the given plugin is installed on this node
* @param string $name plugin name
* @return bool true if the plugin is installed, false otherwise
*/
public function hasPlugin($name)
{
foreach($this->getPlugins() as $plugin) {
if($plugin['name'] == $name) {
return true;
}
}
return false;
}
/**
* Return all info data
*
* @return array Data array
*/
public function getData()
{
return $this->_data;
}
/**
* Return node object
*
* @return \Elastica\Node Node object
*/
public function getNode()
{
return $this->_node;
}
/**
* Returns response object
*
* @return \Elastica\Response Response object
*/
public function getResponse()
{
return $this->_response;
}
/**
* Reloads all nodes information. Has to be called if informations changed
*
* @param array $params Params to return (default none). Possible options: settings, os, process, jvm, thread_pool, network, transport, http, plugin
* @return \Elastica\Response Response object
*/
public function refresh(array $params = array())
{
$this->_params = $params;
$path = '_nodes/' . $this->getNode()->getName();
if (!empty($params)) {
$path .= '?';
foreach ($params as $param) {
$path .= $param . '=true&';
}
}
$this->_response = $this->getNode()->getClient()->request($path, Request::GET);
$data = $this->getResponse()->getData();
$this->_data = reset($data['nodes']);
}
}
|
