1.7.1版

online2_callback.php

@@ -0,0 +1,52 @@
+<?php
+/**
+ * 在线统计插件
+ * @copyright (c) xiaosong.org All Rights Reserved
+ */
+if(!defined('EMLOG_ROOT')) {exit('error!');}
+
+function callback_init(){
+	$DB = MySql::getInstance();
+	$is_exist_online_query = $DB->query('show tables like "'.DB_PREFIX.'online2"');
+	$is_exist_maxonline_query = $DB->query('show tables like "'.DB_PREFIX.'maxonline"');
+	$is_exist_option = $DB->query("SELECT 1 FROM ".DB_PREFIX."options WHERE option_name='maxOnline'");
+	$dbcharset = 'utf8';
+	$type = 'MYISAM';
+	$add = $DB->getMysqlVersion() > '4.1' ? "ENGINE=".$type." DEFAULT CHARSET=".$dbcharset.";":"TYPE=".$type.";";
+	if ($DB->num_rows($is_exist_online_query) == 0) {
+		$sql_online = "
+CREATE TABLE `".DB_PREFIX."online2` (
+`id` int(10) unsigned NOT NULL auto_increment,
+`ip` varchar(128) NOT NULL default '',
+`dt` timestamp NOT NULL default CURRENT_TIMESTAMP,
+`useragent` varchar(255) NOT NULL default '',
+PRIMARY KEY  (`id`),
+UNIQUE KEY `ip` (`ip`)
+)".$add;
+		$DB->query($sql_online);
+	}
+	if ($DB->num_rows($is_exist_maxonline_query) != 0) {
+		$res_max = $DB->once_fetch_array("SELECT maximum, DATE(dt) AS maxDate FROM ".DB_PREFIX."maxonline");
+		$timeUTC = emStrtotime($res_max["maxDate"]);
+		$cacheData = serialize(array('maximum' => $res_max["maximum"], 'maxDate' => $timeUTC));
+		$CACHE = Cache::getInstance();
+		$CACHE->cacheWrite($cacheData, 'maxOnline');
+		$query = $DB->query("DROP TABLE IF EXISTS ".DB_PREFIX."maxonline");
+	}
+	if (!$DB->num_rows($is_exist_option)) {
+		$DB->query("INSERT INTO ".DB_PREFIX."options (option_name, option_value) VALUES('maxOnline', '".serialize(array('maximum' => 0, 'maxDate' => time()))."')");
+	}
+	$cachefile = EMLOG_ROOT . '/content/cache/maxOnline.php';
+	if (file_exists($cachefile) && filesize($cachefile) > 0) {
+		$data = file_get_contents($cachefile);
+		$data = str_replace("<?php exit;//", '', $data);
+		Option::updateOption('maxOnline', $data);
+		unlink($cachefile);
+	}
+}
+
+function callback_rm(){
+	$DB = MySql::getInstance();
+	$query = $DB->query("DROP TABLE IF EXISTS ".DB_PREFIX."online2");
+}
+?>