white-poto / php_crontab Goto Github PK

    /**
     *
     * @param $stream
     * @return mixed
     */
    protected static function getProtocol($stream)
    {
        if(strpos($stream, 'unix') === 0){
            return 'unix';
        }
        $stream_info = parse_url($stream);
        if (!array_key_exists('scheme', $stream_info)) {
            throw new \InvalidArgumentException("stream format error");
        }

        return $stream_info['scheme'];
    }

    /**
     * start mission process
     */
    public function run()
    {
        $out = $this->out;
        $err = $this->err;
        // Todo 最后一个参数代表超时,默认为60,改成0
        $process = new \Symfony\Component\Process\Process($this->cmd, null, null, null ,0);
        $process->run(function ($type, $buffer) use ($out, $err) {
            if ($type == \Symfony\Component\Process\Process::ERR) {
                $err->error($buffer);
            } else {
                echo "run task:" . $this->name() . "\n";
                $out->info($this->name);
                $out->info($buffer);
            }
        });
    }

    /**
     * start crontab and loop
     */
    public function start()
    {
        $this->logger->info("crontab start");
        $crontab = $this->createCrontab(); // 外部建立Mission
        $loop = Factory::create();
        // add periodic timer
        $loop->addPeriodicTimer(60, function () use ($crontab, $loop) {
            $loop->addTimer(60 - time() % 60, function () use ($crontab) {
                $pid = pcntl_fork();
                if ($pid > 0) {
                    return;
                } elseif ($pid == 0) {
                    $crontab->start(time());
                    exit();
                } else {
                    $this->logger->error("could not fork");
                }
            });
        });

//例如

        $loop->addPeriodicTimer(60, function () use ($loop) {
            $loop->addTimer(60 - time() % 60, function() {
                //  get missions from outside
                $tasks = call_user_func($this->mission_callback);
                $this->setTasks($tasks);
                $crontab = $this->createCrontab();
                $pid = pcntl_fork();
                if ($pid > 0) {
                    return;
                } elseif ($pid == 0) {
                    $crontab->start(time());
                    exit();
                } else {
                    $this->logger->error("could not fork");
                    exit();
                }
            });
        });

   /**
     * start mission process
     */
    public function run()
    {
        // set user and group
        $this->setUserAndGroup();
        $out = $this->out;
        $err = $this->err;
        $process = new \Symfony\Component\Process\Process($this->cmd);
        $process->run(function ($type, $buffer) use ($out, $err) {
            if ($type == \Symfony\Component\Process\Process::ERR) {
                $err->error($buffer);
            } else {
                $out->info($buffer);
            }
        });
    }