296 lines
7.8 KiB
PHP
296 lines
7.8 KiB
PHP
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<?php
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/*-----------------------------------------------------+
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* 公共函数
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* @author yeahoo2000@gmail.com
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+-----------------------------------------------------*/
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/**
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* 打印指定变量的内容(用于调试)
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* @param mixed $var 变量名
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*/
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function d($var) {
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$content = '<pre>' . htmlspecialchars(print_r($var, true)) . '</pre>';
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echo $content;
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exit;
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}
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/**
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* 用addslashes处理变量,可处理多维数组（使用反斜线引用字符串）
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* @param mixed $vars 待处理的数据
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* @return mixed
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*/
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function addQuotes($vars) {
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return is_array($vars) ? array_map(__FUNCTION__, $vars) : addslashes($vars);
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}
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/**
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* 对指定变量进行stripslashes处理,可处理多维数组（去掉字符串中的反斜线字符。若是连续二个反斜线，则去掉一个，留下一个。若只有一个反斜线，就直接去掉）
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* @param mixed $vars 待处理的数据
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* @return mixed
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*/
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function stripQuotes($vars) {
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return is_array($vars) ? array_map(__FUNCTION__, $vars) : stripslashes($vars);
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}
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/**
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* 对变量进行 trim 处理,支持多维数组.(截去字符串首尾的空格)
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* @param mixed $vars
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* @return mixed
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*/
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function trimArr($vars) {
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return is_array($vars) ? array_map(__FUNCTION__, $vars) : trim($vars);
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}
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/**
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* 得到客户端IP地址
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* @return string
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*/
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function clientIp() {
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if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) {
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$ip = getenv("HTTP_CLIENT_IP");
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} else {
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if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) {
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$ip = getenv("HTTP_X_FORWARDED_FOR");
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} else {
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if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) {
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$ip = getenv("REMOTE_ADDR");
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} else {
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if (isset($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown")) {
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$ip = $_SERVER['REMOTE_ADDR'];
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} else {
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$ip = "0.0.0.0";
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}
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}
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}
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}
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if (!preg_match('#^\d+\.\d+\.\d+\.\d+$#', $ip)) {
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return '0.0.0.0';
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}
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return $ip;
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}
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/**
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* 加密一些隐私数据
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* @param mixed $data 要加密的数据
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* @return int 索引ID
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*/
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function encrypt($data) {
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if (!isset($_SESSION['game_accounts_encrypt'])) {
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$_SESSION['game_accounts_encrypt'] = array();
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}
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//已经存在时，直接返回对应的key
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$old = array_search($data, $_SESSION['game_accounts_encrypt']);
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if ($old !== false) {
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return $old;
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}
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$id = count($_SESSION['game_accounts_encrypt']) + 1;
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$_SESSION['game_accounts_encrypt'][$id] = $data;
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return $id;
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}
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/**
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* 解密隐私数据
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* @param int $id 索引ID
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* @return mixed | bool
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*/
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function decrypt($id) {
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if (isset($_SESSION['game_accounts_encrypt'][$id])) {
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return $_SESSION['game_accounts_encrypt'][$id];
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}
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return false;
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}
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/**
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* 获取服务器ID前缀
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* @param string $server_id
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* @return int
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*/
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function get_server_prefix($server_id) {
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preg_match('#(.+?)\d+$#', $server_id, $match);
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return isset($match[1]) && $match[1] ? $match[1] : $server_id;
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}
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/**
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* 获取指定参数的服数
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* @param string $server_id
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* @return int 服数
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*/
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function get_server_num($server_id) {
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preg_match('#.*?(\d+)$#', $server_id, $match);
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return isset($match[1]) && $match[1] != '' ? (int)$match[1] : (int)$server_id;
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}
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/**
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* 写文件系统
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* @param string $file 文件名
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* @param string $content 内容
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* @param string $mode
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*/
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function writeFile($file, $content, $mode='wb'){
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$oldMask= umask(0);
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$fp= @fopen($file, $mode);
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if (!is_writable($file)) {
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exit('文件不可写');
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}
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fwrite($fp, $content);
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fclose($fp);
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umask($oldMask);
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}
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/**
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* 错开时间
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* 防止计划任务在同一时间并发执行，造成服务器资源紧张
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*/
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function staggerTime(){
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if(!extension_loaded('posix')) {
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exit('Error: posix extension not loaded !');
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} else {
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mt_srand(posix_getpid());
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sleep(rand(0, 180));
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}
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}
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/**
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* 获取帐号key
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*/
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function getAccKey(){
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if(isset($_REQUEST['acck'])){
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$acc = trim($_REQUEST['acck']);
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return $acc;
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}
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$acc = isset($_SERVER['QUERY_STRING']) ? trim($_SERVER['QUERY_STRING']) : '';
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if(substr($acc, 0, 6) == 'reconn'){
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$acc = substr($acc, 6);
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}
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return $acc;
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}
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/**
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* 判定是否重连
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*/
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function isReconn(){
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if(isset($_REQUEST['reconn'])){
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return true;
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}
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return false;
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}
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/**
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* 终止脚本执行，输出信息到头部
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*/
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function halt($errno, $statusCode = 500) {
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header('E: '.$errno, true, $statusCode);
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exit;
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}
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/**
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* 加载define.cfg.php到 $GLOBALS
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*/
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function loadDefines() {
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if (!isset($GLOBALS['def'])) {
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$GLOBALS['def'] = include LIB_DIR.'/define.cfg.php';
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}
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return $GLOBALS['def'];
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}
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/**
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* 调用 erlang 接口
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* @param string $module 接口模块名
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* @param string $method 接口名称
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* @param string $format 参数数据格式
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* @param array $args 参数
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*
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* @return array array(0 || 1, error, origin_data)
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*/
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function erl($module, $method, $format = '', $args = array()) {
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$socket = socket_create(AF_INET, SOCK_STREAM, SOL_TCP);
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if (!$socket) return array('success' => false, 'message' => 'create_conn_failed');
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socket_set_option($socket, SOL_SOCKET, SO_RCVTIMEO, array("sec"=>2, "usec"=>0));
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socket_set_option($socket, SOL_SOCKET, SO_SNDTIMEO, array("sec"=>2, "usec"=>0));
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$conn = socket_connect($socket, '127.0.0.1', $GLOBALS['cfg']['port']);
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if (!$conn) return array('success' => false, 'message' => 'connect_failed');
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socket_write($socket, "web_conn---------------");
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$time = TIME;
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if (trim($format) === '') {
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$data = array(FROM_PLATFORM, $time, md5(FROM_PLATFORM.$time.SERVER_KEY), $format, $module, $method);
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} else {
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$data = array(FROM_PLATFORM, $time, md5(FROM_PLATFORM.$time.SERVER_KEY), $format, $module, $method, $args);
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}
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$data = json_encode($data);
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socket_write($socket, pack('n', strlen($data)));
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socket_write($socket, $data);
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$recvData = '';
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while ($r = socket_recv($socket, $bufs, 1024, 0)) {
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$recvData .= $bufs;
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}
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socket_close($socket);
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if (json_last_error() !== JSON_ERROR_NONE) return array('success' => false, 'message' => '返回数据不是json格式');
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return json_decode($recvData, true);
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}
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/*function returnMsg($success, $msg, $module, $method, $format = '', $args = array()) {
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if(in_array($msg, array('create_conn_failed', 'connect_failed', '返回数据不是json格式')))
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{
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$data = [];
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}
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}*/
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/**
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* 记录debug信息
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*
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* @param mixed $message
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* @param boolean $flag 输出分隔符分开，表示一个完整的记录
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* @return boolean
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*/
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function recoder($message, $flag = true) {
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if (!DEBUG) return false;
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$f = VAR_DIR.'/debug.log';
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$fh = fopen($f, 'a');
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if (!$fh) return false;
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$date = date('Y/m/d H:i:s', time());
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if (is_array($message) || is_object($message)) {
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$message = var_export($message, true);
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}
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$message = "[{$date}] {$message}\n";
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if ($flag) $message .= str_repeat('=', 60)."\n\n";
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$ret = fwrite($fh, $message);
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fclose($fh);
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return $ret === false ? false : true;
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}
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/**
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* 数组转换成lua_table
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*/
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function luatable_encode($arr){
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$str = "{";
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foreach($arr as $k => $v){
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if(is_int($k)){
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$k = $k + 1; // lua的下标是从1开始的
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$str .= "[$k] = ";
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}else{
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$str .= "['$k'] = ";
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}
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if(is_int($v)){
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$str .= $v;
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}elseif(is_array($v)){
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$str .= luatable_encode($v);
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}else{
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$str .= "[[$v]]";
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}
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$str .= ",\n";
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}
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$str .= "}";
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return $str;
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}
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