<?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:----NTI4MjkwMTQ2MDAxNjMzMSAzMjM3NzY3NzE0MDI5MDUxIDM3NzAzMTk5OTk2MjkxNTQ=