EnerGenie-EG-PM2-LAN-V1/class.EnerGenieSwitcher.php
2013-08-08 23:31:32 +02:00

57 lines
1.4 KiB
PHP

<?php
class EnerGenieSwitcher {
const ON = 1;
const OFF = 0;
private $debug = false;
/**
* Check prerequisites and set-up
*/
public function __construct($ip, $debug=false) {
if(!extension_loaded('curl')) { die('Fatal error: CURL extension needed.'); }
$this->ip = $ip;
$this->debug = $debug;
}
/**
* Do the switch
*/
public function doSwitch($switches) {
foreach($switches as $port => $state) {
$ports = array(1 => '', 2 => '', 3 => '', 4 => '');
$ports[$port] = $state;
$params = array();
foreach($ports as $port => $state) {
if(in_array($state, array(self::ON, self::OFF))) {
$params['cte'.$port] = $state;
}
}
$this->post_request('http://'.$this->ip, $params);
}
}
function post_request($url, $fields) {
$fields_string = '';
foreach($fields as $key=>$value) { $fields_string .= $key.'='.$value.'&'; }
rtrim($fields_string, '&');
//open connection
$ch = curl_init();
// configure
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT_MS, 5000);
//set the url, number of POST vars, POST data
curl_setopt($ch,CURLOPT_URL, $url);
curl_setopt($ch,CURLOPT_POST, count($fields));
curl_setopt($ch,CURLOPT_POSTFIELDS, $fields_string);
//execute post
$result = curl_exec($ch);
if($this->debug === true) { echo "Calling " . $url . '?' . $fields_string . "\n"; }
//close connection
curl_close($ch);
}
}