<?php

class ParTCP_Counter {
	
	public $baseDir;


	public function __construct( $baseDir ){
		$this->baseDir = $baseDir;
	}


	public function increment( $counterId ){
		$file = "{$this->baseDir}/{$counterId}";
		$dir = dirname( $file );
		if ( ! file_exists( $dir ) ){
			mkdir( $dir, 0755, TRUE );
		}
		return file_put_contents( $file, '.', FILE_APPEND );
	}


	public function get_value( $counterId ){
		$file = "{$this->baseDir}/{$counterId}";
		return file_exists( $file ) ? filesize( $file ) : 0;
	}


	public function delete( $counterId ){
		$file = "{$this->baseDir}/{$counterId}";
		return ! file_exists( $file ) || unlink( $file );
	}

}

// end of file lib/counter.class.php