php-libdaemon/worker.class.php at master · krupenik/php-libdaemon · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
<?php
abstract class Worker
{
    protected $config;

    public function __construct($config)
    {
        $this->config = $config;
        $this->running = true;

        $this->after_construct();
    }

    public function start()
    {
        $this->register_signals();
        $this->run();
        $this->shutdown();
    }

    protected function run()
    {
        while ($this->running) {
            pcntl_signal_dispatch();
            $this->run_cycle();
        }
    }

    protected function stop()
    {
        $this->running = false;
    }

    protected function after_construct() { }
    protected function after_register_signals() { }
    protected function before_shutdown() { }
    abstract protected function run_cycle();

    protected function register_signals()
    {
        pcntl_signal(SIGTERM, array(&$this, "stop"));
        $this->after_register_signals();
    }

    protected function shutdown()
    {
        $this->before_shutdown();
    }

}