<?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:----ODI3OTk5OTc2MDI3ODA3OCAzMzc0OTA5NTkzMDIyOTkgNjc3NzgwODA0OTE3OTM0OQ==