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大文件读取类

Jun 06, 2016 pm 07:33 PM
classfilelibphp操作文件讀取

文件操作类 无 ?php class Lib_File2{//文件目录private $root = '/data/wwwroot/kkpromo/data/';//文件后缀private $suffix = '.log';//文件句柄private $handle=null;//一次读取文件的最大记录数private $limit=40000;//每行读取的字节长度private $length=

文件操作类
<?php 
	class Lib_File2
	{
		//文件目录
		private $root = '/data/wwwroot/kkpromo/data/';
		
		//文件后缀
		private $suffix = '.log';
		
		//文件句柄
		private $handle=null;
		
		//一次读取文件的最大记录数
		private $limit=40000;
		
		//每行读取的字节长度
		private $length=1024;
		
		//开始时间 
		private  $startTime=0;
		
		//内存使用基准点
		private static $startMemory=0;
		
		//
		private $conn=null;
	
		//
		private static  $init=null;
		
		public static function instance()
		{
			self::$startMemory = memory_get_usage(true);
			
			if(self::$init && is_object(self::$init))
			{
				return self::$init;
			}
			
			self::$init = new self();
			
			return self::$init;
		}
		
		private function __construct(){}
		
		public  function setRoot($root)   
		{
			if(!is_dir($root)) die($root.' ROOT DOES NOT EXIST');
			$this->root = $root;
		}
		
		public function setSuffix($suffix)
		{
			$this->suffix = $suffix;
		}
				
		public function setLimit($limit)
		{
			if(!is_numeric($limit)) die($limit.' SHOULD BE NUMBERIC');
			if(intval($limit) > 1000000) die($limit.' SHOULD BE LOWER THAN 1000000');
			$this->limit = intval($limit);
		}
		
		public function _getFile($date , $appid , $op)
		{
			$filename = rtrim($this->root , '/').DIRECTORY_SEPARATOR.$date.DIRECTORY_SEPARATOR.$appid.'.'.$op.$this->suffix;
			if(!file_exists($filename))
			{
				die($filename.'	FILE DOES NOT EXISTS!');
			}
			
			if(!is_file($filename))
			{
				die($filename.' FILE DOES NOT EXIST!');
			}
			
			if(!is_readable($filename))
			{
				die($filename.'	 FILE ACCESS DENY!');
			}
			
			return $filename;
		}
		
		
		public function closeFile($date=null , $appid=null , $op=null)
		{
			if($op && $date && $appid)
			{
				if(is_object($this->handle[$date.'_'.$appid.'_'.$op]) || $this->conn[$date.'_'.$appid.'_'.$op])
				{
					unset($this->handle[$date.'_'.$appid.'_'.$op]);
					$this->handle[$date.'_'.$appid.'_'.$op]=null;
				}
	
				$this->conn[$date.'_'.$appid.'_'.$op]=null;
				$this->handle[$date.'_'.$appid.'_'.$op]=null;
				unset($this->handle[$date.'_'.$appid.'_'.$op]);
			}
			else {
				if(is_array($this->handle) && $this->handle)
				{
					foreach ($this->handle as $key=>$val){
						unset($this->handle[$key]);
						$this->conn[$key]=null;
						$this->handle[$key]=null;
					}
				}
			}	
			
			return true;
		}
		
		
		private function _openFile($date , $appid , $op)
		{			
			$this->startTime = microtime(true);
			if(isset($this->conn[$date.'_'.$appid.'_'.$op])  && $this->conn[$date.'_'.$appid.'_'.$op])
			{
				return $this->handle[$date.'_'.$appid.'_'.$op];
			}
			
			$filename = self::_getFile($date , $appid , $op);
			if(($this->handle[$date.'_'.$appid.'_'.$op] = new SplFileObject($filename , 'r'))!=null)
			{
				$this->conn[$date.'_'.$appid.'_'.$op] = true;
				return $this->handle[$date.'_'.$appid.'_'.$op];
			}
			else {
				die('FILE OPEN FAILED!');
			}
		}

		
		/**
		 * 功能:解析数据
		 * 格式:	 array('timestamp','mid','data');
		 * @param string $data
		 * @return boolean|array
		 */
		private  function _parseData($data , $jsonFlag=true)
		{
			if(empty($data) || !is_string($data)) return false;
			$result = array(
					'timestamp'=>0,
					'mid'=>0,
					'data'=>array(),
			);
				
			$data = explode('|', $data);
			if(count($data) < 3 || !is_array($data)) return false;
			$result['timestamp'] = $data[0];
			$result['mid'] = $data[1];
			if($jsonFlag)
			{
				$result['data'] = @json_decode($data[2] , true);
				unset($result['mid']);
			}
			if(empty($result['timestamp']) || empty($result['mid'])) return false;
				
			unset($data);
			return $result;
		}
		
		
		/**
		 * TODO:读取单一文件
		 * @param string $date: 如(20140327)
		 * @param int 	$appid: 如(1000,9000)
		 * @param string $op:如(show,login , index)
		 * @param number $startNum 默认从第一行开始
		 * @param number $length 默认到$this->limit 读取的行数
		 * @param array	$condition:array('mid'=>arrray() , 'ip'=>array() , ...)  过滤条件
		 * @param bool $jsonFlag:默认为true, 则保留jsondata字段;设为false,则去掉false字段
		 * @return array(count , diffTime , memory , data)
		 */
		public  function readFile($date , $appid , $op , $startNum=0 , $length=0 , $jsonFlag=false ,  $condition=array())
		{
			$data['data'] = "";
			$data['count'] = 0;
			$index = $startNum;
			$startNum = empty($startNum) ? 0 : $startNum;
			$length = empty($length) ? $this->limit : $length;
			
			$handle = self::_openFile($date , $appid , $op );
			$line_number=0;
			
			if($handle)
			{	
				$handle->seek($startNum);
				$handle->setMaxLineLen($this->length);
				while (intval($line_number) - intval($startNum) < intval($length)-1)
				{
					$tmp = $handle->current();
					if(empty($tmp)) continue;					
					$tmp = self::_parseData($tmp , $jsonFlag);
					$line_number = $handle->key();
					!$jsonFlag && $condition= array();								
					if(isset($condition) && $condition)
					{
						$key = array_keys($condition);
						if(in_array($tmp['data'][$key[0]], $condition[$key[0]]))
						{
							$data['count']++;
							$data['data'][$line_number] = $tmp;
						}
					}
					else
					{
						$data['data'][$line_number] = $tmp;
						$data['count']++;
					}
					
					if(intval($line_number) - intval($startNum) >= intval($length)-1) break;
					unset($tmp);
					$handle->next();
				}
				unset($tmp , $length , $line_number , $condition);
			}
			
			$data['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$data['memory'] = doubleval((doubleval(memory_get_usage(true)) -  doubleval(self::$startMemory))/1024/1024) . ' M';
		
			return $data;
		}
		

		/**
		 * TODO:命令行下获取文件总记录数*
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @return array
		 */
		public  function total_lineFile($date, $appid, $op)
		{
			$this->_openFile($date, $appid, $op);
			$file = escapeshellarg($this->_getFile($date, $appid, $op)); // 对命令行参数进行安全转义
			$line = `wc -l  $file`;
			if(preg_match("/(\d{1,})/", $line , $ret)){
				$data['count']=$ret[1];
			}else{
				$data['count']=0;
			}
			$data['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$data['memory'] = doubleval((doubleval(memory_get_usage(true)) -  doubleval(self::$startMemory))/1024/1024) . ' M';
			return $data;
		}

		
		/**
		 * TODO:统计{$data}.{$op}.log记录数
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @param array $condition
		 * @return array
		 */
		public function countFile($date , $appid , $op ,$condition=array())
		{
			$data['count'] = 0;
			$handle = self::_openFile($date , $appid , $op );		
			if($handle)
			{
				$handle->setMaxLineLen($this->length);
				while (!$handle->eof())
				{
					$tmp = $handle->current();
					if(empty($tmp)) continue;
					$tmp = self::_parseData($tmp);
					if($condition && is_array($condition) )
					{						
						$key = array_keys($condition);
						if(isset($tmp['data'][$key[0]]) && $tmp['data'][$key[0]] && in_array($tmp['data'][$key[0]], $condition[$key[0]]))
						{
							$data['count']++;
						}
					}
					else
					{
						$data['count']++;						
					}
					
					unset($tmp);					
					$handle->next();
				}
			}
			unset($handle , $condition , $tmp , $key , $val);
			self::closeFile($date , $appid , $op );
			
			$data['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$data['memory'] = doubleval((doubleval(memory_get_usage(true)) -  doubleval(self::$startMemory))/1024/1024) . ' M';
			
			return $data;
		}		
		
		
		
		/**
		 * TODO:统计用户数
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @param bool $midflag :默认为false 则 mid返回空数组;如设为true,则mid数组不为空
		 * * @param bool $jsonFlag:默认为true, 则保留jsondata字段;设为false,则去掉jsondata字段
		 * @param array $condition
		 * @return : array:形如({"mid":[],"count":2181,"diffTime":0.0397667884827,"memory":"3.75 M"})
		 */
		public function countFileMID($date , $appid , $op  ,  $midflag=false , $jsonFlag=false,  $condition=array())
		{
			//$count = self::total_lineFile($date , $appid , $op );
			$count = self::countFile($date , $appid , $op );
			$index = ceil($count['count'] / $this->limit);
			$result = array('mid'=>array() , 'count'=>0 , 'diffTime'=>0 , 'memory'=>0);

			for ($i=0 ; $i<$index ; $i++)
			{
				$startNum = $this->limit*$i;
				$endNum = $this->limit;
				$data = self::readFile($date , $appid , $op  ,  $startNum , $endNum , $jsonFlag);
				var_dump($data);exit();

				if($data['data'] && is_array($data['data']))
				{
					foreach ($data['data'] as $arr)
					{
						if($condition && is_array($condition))
						{
							$key = array_keys($condition);
							if(isset($arr['data'][$key[0]])  && (in_array($arr['data'][$key[0]] , $condition[$key]) || empty($condition[$key[0]])))
							{
								$result['mid'][$arr["mid"]] =1;
								$result['count']++;
							}
						}
						else
						{
							 $result['mid'][$arr["mid"]] =1;	
							 $result['count']++;
						}
						unset($data);
					}
				}
			}
			unset($index , $count , $condition , $data  , $arr);
			self::closeFile($date , $appid , $op);
			
			$result['mid'] = array_keys($result['mid']);		
			if(empty($midflag)) unset($result['mid']);	
			 	 
			$result['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$result['memory'] = (memory_get_usage(true) - self::$startMemory)/1024/1024 . ' M';
			return $result;
		}
		
		
		/**
		 * TODO:跨时间段 统计参加$op用户数据
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @param number $day
		 * @param bool  $midflag :默认为false 则 mid返回空数组;如设为true,则mid数组不为空
		 * @return array 形如("20140326":{"mid":[],"count":4571,"diffTime":0.0806441307068,"memory":"3.75 M"},
		*										"20140325":{"mid":[],"count":2181,"diffTime":0.0397667884827,"memory":"3.75 M"})
		 */
		public function getReturnUser($date , $appid , $op , $day=1 , $midflag=false)
		{
			$date_i=0;
			for ($i =0; $i<$day ; $i++){
				$date_i = date('Ymd' , strtotime($date)-$i*86400);
				$result[$date_i] = self::countFileMID($date_i , $appid , $op , $midflag);	
			}
			unset($date , $date_i , $appid , $op  , $day);
			
			return $result;
		}
	}
?>
<?php 
	class Lib_File1
	{
		//文件目录
		private $root = '/data/wwwroot/kkpromo/data/';
		
		//文件后缀
		private $suffix = '.log';
		
		//文件句柄
		private $hander=null;
		
		//一次读取文件的最大记录数
		private $limit=40000;
		
		//每行读取的字节长度
		private $length=1024;
		
		//开始时间 
		private  $startTime=0;
		
		//内存使用基准点
		private static $startMemory=0;
		
		//
		private $conn=null;
	
		//
		private static  $init=null;
		
		public static function instance()
		{
			self::$startMemory = memory_get_usage(true);
			
			if(self::$init && is_object(self::$init))
			{
				return self::$init;
			}
			
			self::$init = new self();
			
			return self::$init;
		}
		
		private function __construct(){}
		
		public  function setRoot($root)   
		{
			if(!is_dir($root)) die($root.' ROOT DOES NOT EXIST');
			$this->root = $root;
		}
		
		public function setSuffix($suffix)
		{
			$this->suffix = $suffix;
		}
				
		public function setLimit($limit)
		{
			if(!is_numeric($limit)) die($limit.' SHOULD BE NUMBERIC');
			if(intval($limit) > 1000000) die($limit.' SHOULD BE LOWER THAN 1000000');
			$this->limit = intval($limit);
		}
		
		private function _getFile($date , $appid , $op)
		{
			$filename = rtrim($this->root , '/').DIRECTORY_SEPARATOR.$date.DIRECTORY_SEPARATOR.$appid.'.'.$op.$this->suffix;
			if(!file_exists($filename))
			{
				die($filename.'	FILE DOES NOT EXISTS!');
			}
			
			if(!is_file($filename))
			{
				die($filename.' FILE DOES NOT EXIST!');
			}
			
			if(!is_readable($filename))
			{
				die($filename.'	 FILE ACCESS DENY!');
			}
			
			return $filename;
		}
		
		
		public function closeFile($date=null , $appid=null , $op=null)
		{
			if($op && $date && $appid)
			{
				if(is_object($this->hander[$date.'_'.$appid.'_'.$op]) || $this->conn[$date.'_'.$appid.'_'.$op])
				{
					fclose($this->hander[$date.'_'.$appid.'_'.$op]);
				}
	
				$this->conn[$date.'_'.$appid.'_'.$op]=null;
				$this->hander[$date.'_'.$appid.'_'.$op]=null;
			}
			else {
				if(is_array($this->hander) && $this->hander)
				{
					foreach ($this->hander as $key=>$val){
						fclose($this->hander[$key]);
						$this->conn[$key]=null;
						$this->hander[$key]=null;
					}
				}
			}	
			
			return true;
		}
		
		
		private function _openFile($date , $appid , $op)
		{			
			$this->startTime = microtime(true);
			if(isset($this->conn[$date.'_'.$appid.'_'.$op])  && $this->conn[$date.'_'.$appid.'_'.$op])
			{
				return $this->hander[$date.'_'.$appid.'_'.$op];
			}
			
			$filename = self::_getFile($date , $appid , $op);
			if(($this->hander[$date.'_'.$appid.'_'.$op] = fopen($filename, 'r'))!=null)
			{
				$this->conn[$date.'_'.$appid.'_'.$op] = true;
				return $this->hander[$date.'_'.$appid.'_'.$op];
			}
			else {
				die('FILE OPEN FAILED!');
			}
		}

		
		/**
		 * 功能:解析数据
		 * 格式:	 array('timestamp','mid','data');
		 * @param string $data
		 * @return boolean|array
		 */
		private  function _parseData($data)
		{
			if(empty($data) || !is_string($data)) return false;
			$result = array(
					'timestamp'=>0,
					'mid'=>0,
					'data'=>array(),
			);
				
			$data = explode('|', $data);
			if(count($data) < 3 || !is_array($data)) return false;
			$result['timestamp'] = $data[0];
			$result['mid'] = $data[1];
			$result['data'] = @json_decode($data[2] , true);
			if(empty($result['timestamp']) || empty($result['mid'])) return false;
				
			unset($data);
			return $result;
		}
		
		
		/**
		 * TODO:读取单一文件
		 * @param string $date: 如(20140327)
		 * @param int 	$appid: 如(1000,9000)
		 * @param string $op:如(show,login , index)
		 * @param number $startNum 默认从第一行开始
		 * @param number $endNum 默认到$this->limit结束
		 * @param array	$condition:array('mid'=>arrray() , 'ip'=>array() , ...)  过滤条件
		 * @param bool $jsonFlag:默认为true, 则保留jsondata字段;设为false,则去掉false字段
		 * @return array(count , diffTime , memory , data)
		 */
		public  function readFile($date , $appid , $op ,$startNum=0 , $endNum=0 , $jsonFlag=false ,  $condition=array())
		{
			$data['data'] = "";
			$data['count'] = 0;
			$index = $startNum;
			$startNum = empty($startNum) ? 0 : $startNum;
			$endNum = empty($endNum) ? $this->limit : $endNum;
			
			$hander = self::_openFile($date , $appid , $op );
			$tmpindex=0;
			
			if($hander)
			{
				//!feof($hander)
				while ($tmpindex < $endNum)
				{
					$tmp = fgets($hander , $this->length);
					if(empty($tmp)) continue;
					if($tmpindex < $endNum  && $tmpindex >=$startNum)
					{
						$tmp = self::_parseData($tmp);				
						if(empty($tmp)) continue;
						//去掉jsondata
					 	if(!$jsonFlag) {	unset($tmp[2]);  $condition= array();	 }
						//条件过滤
						if($condition && is_array($condition) )
						{
							foreach ($condition as $key=>$val){
								if(in_array($tmp['data'][$key], $condition[$key]))
									unset($key , $val);	
									$data['count']++;
									$data['data'][$index] = $tmp;
									$index++;
								}
						}
						else{				
							$data['data'][$index] = $tmp;
							$index++;
							$data['count']++;
						}
					}
					if($tmpindex >= $endNum) break;
					$tmpindex++;
					unset($tmp);
				}
				fseek($hander ,  SEEK_END);
			}
			
			$data['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$data['memory'] = doubleval((doubleval(memory_get_usage(true)) -  doubleval(self::$startMemory))/1024/1024) . ' M';
		
			return $data;
		}
		

		/**
		 * TODO:命令行下获取文件总记录数*
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @return array
		 */
		public  function total_lineFile($date, $appid, $op)
		{
			$this->_openFile($date, $appid, $op);
			$file = escapeshellarg($this->_getFile($date, $appid, $op)); // 对命令行参数进行安全转义
			$line = `wc -l  $file`;
			if(preg_match("/(\d{1,})/", $line , $ret)){
				$data['count']=$ret[1];
			}else{
				$data['count']=0;
			}
			$data['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$data['memory'] = doubleval((doubleval(memory_get_usage(true)) -  doubleval(self::$startMemory))/1024/1024) . ' M';
			return $data;
		}

		
		/**
		 * TODO:统计{$data}.{$op}.log记录数
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @param array $condition
		 * @return array
		 */
		public function countFile($date , $appid , $op ,$condition=array())
		{
			$data['count'] = 0;
			$hander = self::_openFile($date , $appid , $op );		
			if($hander)
			{
				while (!feof($hander))
				{
					$tmp = fgets($hander , $this->length);
					$tmp = self::_parseData($tmp);
					if(empty($tmp)) continue;
					if($condition && is_array($condition) )
					{
						foreach ($condition as $key=>$val){
							if(isset($tmp['data'][$key]) && $tmp['data'][$key] && in_array($tmp['data'][$key], $condition[$key])){
								unset($key , $val);	
								$data['count']++;
							}	
						}
					}
					else
						$data['count']++;						
					unset($tmp);
				}
				fseek($hander , SEEK_END);
			}
			$data['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$data['memory'] = doubleval((doubleval(memory_get_usage(true)) -  doubleval(self::$startMemory))/1024/1024) . ' M';
			
			return $data;
		}		
		
		
		
		/**
		 * TODO:统计用户数
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @param bool $midflag :默认为false 则 mid返回空数组;如设为true,则mid数组不为空
		 * * @param bool $jsonFlag:默认为true, 则保留jsondata字段;设为false,则去掉jsondata字段
		 * @param array $condition
		 * @return : array:形如({"mid":[],"count":2181,"diffTime":0.0397667884827,"memory":"3.75 M"})
		 */
		public function countFileMID($date , $appid , $op  ,  $midflag=false , $jsonFlag=false,  $condition=array())
		{
			$count = self::total_lineFile($date , $appid , $op );
			$index = ceil($count['count'] / $this->limit);
			$result = array('mid'=>array() , 'count'=>0 , 'diffTime'=>0 , 'memory'=>0);

			for ($i=0 ; $i<$index ; $i++)
			{
				$startNum = $this->limit*$i;
				$endNum = $this->limit*($i+1);
				$data = self::readFile($date , $appid , $op  ,  $startNum , $endNum , $jsonFlag);
				if($data['data'] && is_array($data['data']))
				{
					foreach ($data['data'] as $arr)
					{
						if($condition && is_array($condition)){
							foreach ($condition as $key=>$val){	
								if(isset($arr['data'][$key])  && (in_array($arr['data'][$key] , $condition[$key]) || empty($condition[$key]))){
									if(!isset($result['mid'][$arr['mid']]))		{	$result['mid'][$arr["mid"]] =1;	$result['count']++; }
								}
							}
						}
						else {
							if(!isset($result['mid'][$arr['mid']]))	 { $result['mid'][$arr["mid"]] =1;	$result['count']++; 		}
						}
					}
				}
				unset($data['data'] , $data); 
			}
			unset($index , $count , $condition , $data  , $arr);
			self::closeFile($date , $appid , $op);
			
			 $result['mid'] = array_keys($result['mid']);
			 //$result['count'] = count($result['mid']);			
			 if(empty($midflag)) unset($result['mid']);	
			 	 
			$result['diffTime'] = doubleval(microtime(true)) - doubleval($this->startTime);
			$result['memory'] = (memory_get_usage(true) - self::$startMemory)/1024/1024 . ' M';
			return $result;
		}
		
		
		/**
		 * TODO:跨时间段 统计参加$op用户数据
		 * @param string $date
		 * @param int $appid
		 * @param string $op
		 * @param number $day
		 * @param bool  $midflag :默认为false 则 mid返回空数组;如设为true,则mid数组不为空
		 * @return array 形如("20140326":{"mid":[],"count":4571,"diffTime":0.0806441307068,"memory":"3.75 M"},
		*										"20140325":{"mid":[],"count":2181,"diffTime":0.0397667884827,"memory":"3.75 M"})
		 */
		public function getReturnUser($date , $appid , $op , $day=1 , $midflag=false)
		{
			$date_i=0;
			for ($i =0; $i<$day ; $i++){
				$date_i = date('Ymd' , strtotime($date)-$i*86400);
				$result[$date_i] = self::countFileMID($date_i , $appid , $op , $midflag);	
			}
			unset($date , $date_i , $appid , $op  , $day);
			
			return $result;
		}
	}
?>
陳述
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