晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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<?php
/*+***********************************************************************************
* The contents of this file are subject to the vtiger CRM Public License Version 1.0
* ("License"); You may not use this file except in compliance with the License
* The Original Code is: vtiger CRM Open Source
* The Initial Developer of the Original Code is vtiger.
* Portions created by vtiger are Copyright (C) vtiger.
* All Rights Reserved.
*************************************************************************************/
/** Classes to avoid logging */
class LoggerManager {
static function getlogger($name = 'ROOT') {
$configinfo = LoggerPropertyConfigurator::getInstance()->getConfigInfo($name);
return new Logger($name, $configinfo);
}
}
/**
* Core logging class.
*/
class Logger {
private $name = false;
private $appender = false;
private $configinfo = false;
/**
* Writing log file information could cost in-terms of performance.
* Enable logging based on the levels here explicitly
*/
private $enableLogLevel = array(
'ERROR' => false,
'FATAL' => false,
'INFO' => false,
'WARN' => false,
'DEBUG' => false,
);
function __construct($name, $configinfo = false) {
$this->name = $name;
$this->configinfo = $configinfo;
/** For migration log-level we need debug turned-on */
if(strtoupper($name) == 'MIGRATION') {
$this->enableLogLevel['DEBUG'] = true;
}
}
function emit($level, $message) {
if(!$this->appender) {
$filename = 'logs/vtigercrm.log';
if($this->configinfo && isset($this->configinfo['appender']['File'])) {
$filename = $this->configinfo['appender']['File'];
}
$this->appender = new LoggerAppenderFile($filename, 0777);
}
$mypid = @getmypid();
$this->appender->emit("$level [$mypid] $this->name - ", $message);
}
function info($message) {
if($this->isLevelEnabled('INFO')) {
$this->emit('INFO', $message);
}
}
function debug($message) {
if($this->isDebugEnabled()) {
$this->emit('DEBUG', $message);
}
}
function warn($message) {
if($this->isLevelEnabled('WARN')) {
$this->emit('WARN', $message);
}
}
function fatal($message) {
if($this->isLevelEnabled('FATAL')) {
$this->emit('FATAL', $message);
}
}
function error($message) {
if($this->isLevelEnabled('ERROR')) {
$this->emit('ERROR', $message);
}
}
function isLevelEnabled($level) {
if($this->enableLogLevel[$level] && $this->configinfo) {
return (strtoupper($this->configinfo['level']) == $level);
}
return false;
}
function isDebugEnabled() {
return $this->isLevelEnabled('DEBUG');
}
}
/**
* Log message appender to file.
*/
class LoggerAppenderFile {
private $filename;
private $chmod;
function __construct($filename, $chmod = 0222) {
$this->filename = $filename;
$this->chmod = $chmod;
}
function emit($prefix, $message) {
if($this->chmod != 0777 && file_exists($this->filename)) {
if(is_readable($this->filename)) {
@chmod($this->filename, $this->chmod);
}
}
$fh = @fopen($this->filename, 'a');
if($fh) {
@fwrite($fh, date('m/d/Y H:i:s') . " $prefix $message\n");
@fclose($fh);
}
}
}
?>