csu3_am335x/EVSE/rootfs/var/www/set_backend_action.php

<?php
	// 設置資料類型 json，編碼格式 utf-8
	header('Content-Type: application/json; charset=UTF-8');
	
	// 判斷如果是 GET 請求，則進行搜尋；如果是 POST 請求，則進行新建
	// $_SERVER['REQUEST_METHOD'] 返回訪問頁面使用的請求方法
	if ($_SERVER['REQUEST_METHOD'] == "GET") {
		create();
	} else if ($_SERVER['REQUEST_METHOD'] == "POST") {
		create();
	}

	// 新建員工
	function create() {
		$pattern="/^(ws|wss):\/\/((([0-9]{1,3}\.){3}[0-9]{1,3})|(([a-zA-Z0-9]+(([\-]?[a-zA-Z0-9]+)*\.)+)*[a-zA-Z]{2,}))+/";
		if(!preg_match($pattern, $_POST['OcppServerURL'])){
			$jsone['result'] = "Fail";
			$jsone['message'] = "OcppServerURL format error, fill it with 'ws://' or 'wss://'";
			echo json_encode($jsone);
			return false;
		}
		checkValue("OfflinePolicy");
//		$json = json_decode(file_get_contents("charging.txt"), true);
//		$json = string[];
		$json['BackendConnTimeout']			= (int)$_POST['BackendConnTimeout'];
		$json['OfflinePolicy']				= chr($_POST['OfflinePolicy']);
		$json['OfflineMaxChargeEnergy']		= (int)$_POST['OfflineMaxChargeEnergy'];
		$json['OfflineMaxChargeDuration']	= (int)$_POST['OfflineMaxChargeDuration'];
//		$json['OcppConnStatus']				= $_POST['OcppConnStatus'];
		$json['OcppServerURL']				= $_POST['OcppServerURL'];
		$json['ChargeBoxId']				= $_POST['ChargeBoxId'];
//		var_dump($json);echo "\n\n";
		//echo json_encode($json);
		$jsone['result'] = "Success";
		$jsone['message'] = $json;
		echo json_encode($jsone);
		ob_start();
		
		shell_exec('sync;sync;sync');
//		chdir("/home/phihong/Module_WebService");
		chdir("/root");
		$str_json=json_encode($json);//var_dump($str_json);
		exec("'./WebService' '4' '".$str_json."'",$output,$return_var);
//		copy("/var/www/html/system.dat","/home/phihong/Module_WebService/system.txt");
		ob_end_clean();	
//		print_r($output);
		//echo "OK";
	}

	function checkValue($id){
		if(strlen($_POST[$id])!=1){
				$jsone['result'] = "Fail";
				$jsone['message'] = "You have entered a wrong value on " . $id . ", it should be numeric";
				echo json_encode($jsone);
				exit;
		}
		if(!ereg("[0-9]",$_POST[$id])){
				$jsone['result'] = "Fail";
				$jsone['message'] = "You have entered a wrong value on " . $id . ", it should be numeric";
				echo json_encode($jsone);
				exit;
		}
	}
?>