<?php

namespace Webfan\App\Rpc;

class IdGenerator implements \PhpJsonRpc\Client\IdGeneratorInterface
{
	
	protected $id = 0;
	protected $file;
	
	function __construct($file = null){
		if(null === $file){
		  $this->file = __DIR__ . \DIRECTORY_SEPARATOR . sha1(basename(__CLASS__)).'.id';
		  $this->id = time();	
			if(!file_exists($this->file)){
		       file_put_contents($this->file, $this->id);	
			}
		}else{
			$this->file = $file;
		}
		
		if(!file_exists($this->file)){
			throw new \Exception($this->file.' does not exist in '.__METHOD__);
		}
	}
	
    public function get()
    {
       // return mt_rand();
        $mutex = new \malkusch\lock\mutex\FlockMutex(fopen($this->file, "r"));
		$file = $this->file;
		$this->id = $mutex->synchronized(function () use ($file): int  {
               $id = intval(file_get_contents($file));
			   $id++;
			   file_put_contents($file, $id);	
			 return $id;
        });		
		
		if(!is_int($this->id) || 0>=$this->id){
				throw new \Exception('Invalid return value in '.__METHOD__);
		}
		
		return $this->id;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTM4NTcyMDI5MTY4NDgxNiA1MDA0MzE3OTk0Njg1OTI4IDkyMDEyMDg2NTA0MDQ4MDQ=