|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Created by PhpStorm. |
|
4
|
|
|
* User: Jenner |
|
5
|
|
|
* Date: 2015/11/3 |
|
6
|
|
|
* Time: 14:37 |
|
7
|
|
|
*/ |
|
8
|
|
|
|
|
9
|
|
|
namespace Jenner\SimpleFork; |
|
10
|
|
|
|
|
11
|
|
|
|
|
12
|
|
|
/** |
|
13
|
|
|
* processes' pool |
|
14
|
|
|
* |
|
15
|
|
|
* @package Jenner\SimpleFork |
|
16
|
|
|
*/ |
|
17
|
|
|
abstract class AbstractPool |
|
18
|
|
|
{ |
|
19
|
|
|
/** |
|
20
|
|
|
* process list |
|
21
|
|
|
* |
|
22
|
|
|
* @var Process[] |
|
23
|
|
|
*/ |
|
24
|
|
|
protected $processes = array(); |
|
25
|
|
|
|
|
26
|
|
|
/** |
|
27
|
|
|
* get process by pid |
|
28
|
|
|
* |
|
29
|
|
|
* @param $pid |
|
30
|
|
|
* @return null|Process |
|
31
|
|
|
*/ |
|
32
|
3 |
|
public function getProcessByPid($pid) |
|
33
|
|
|
{ |
|
34
|
3 |
|
foreach ($this->processes as $process) { |
|
35
|
3 |
|
if ($process->getPid() == $pid) { |
|
36
|
3 |
|
return $process; |
|
37
|
|
|
} |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
return null; |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* shutdown all process |
|
45
|
|
|
* |
|
46
|
|
|
* @param int $signal |
|
47
|
|
|
*/ |
|
48
|
9 |
|
public function shutdown($signal = SIGTERM) |
|
49
|
|
|
{ |
|
50
|
9 |
|
foreach ($this->processes as $process) { |
|
51
|
9 |
|
if ($process->isRunning()) { |
|
52
|
9 |
|
$process->shutdown(true, $signal); |
|
53
|
9 |
|
} |
|
54
|
9 |
|
} |
|
55
|
9 |
|
} |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* shutdown sub process and no wait. it is dangerous, |
|
59
|
|
|
* maybe the sub process is working. |
|
60
|
|
|
*/ |
|
61
|
3 |
|
public function shutdownForce() |
|
62
|
|
|
{ |
|
63
|
3 |
|
$this->shutdown(SIGKILL); |
|
64
|
3 |
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* get the count of running processes |
|
68
|
|
|
* |
|
69
|
|
|
* @return int |
|
70
|
|
|
*/ |
|
71
|
21 |
|
public function aliveCount() |
|
72
|
|
|
{ |
|
73
|
21 |
|
$count = 0; |
|
74
|
21 |
|
foreach ($this->processes as $process) { |
|
75
|
21 |
|
if ($process->isRunning()) { |
|
76
|
15 |
|
$count++; |
|
77
|
15 |
|
} |
|
78
|
21 |
|
} |
|
79
|
|
|
|
|
80
|
21 |
|
return $count; |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
/** |
|
84
|
|
|
* if all processes are stopped |
|
85
|
|
|
* |
|
86
|
|
|
* @return bool |
|
87
|
|
|
*/ |
|
88
|
3 |
|
public function isFinished() |
|
89
|
|
|
{ |
|
90
|
3 |
|
foreach ($this->processes as $process) { |
|
91
|
3 |
|
if (!$process->isStopped()) { |
|
92
|
3 |
|
return false; |
|
93
|
|
|
} |
|
94
|
3 |
|
} |
|
95
|
3 |
|
return true; |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
|
|
/** |
|
99
|
|
|
* waiting for the sub processes to exit |
|
100
|
|
|
* |
|
101
|
|
|
* @param bool|true $block if true the parent process will be blocked until all |
|
102
|
|
|
* sub processes exit. else it will check if thers are processes that had been exited once and return. |
|
103
|
|
|
* @param int $sleep when $block is true, it will check sub processes every $sleep minute |
|
104
|
|
|
*/ |
|
105
|
9 |
|
public function wait($block = true, $sleep = 100) |
|
106
|
|
|
{ |
|
107
|
|
|
do { |
|
108
|
9 |
|
foreach ($this->processes as $process) { |
|
109
|
9 |
|
if (!$process->isRunning()) { |
|
110
|
9 |
|
continue; |
|
111
|
|
|
} |
|
112
|
9 |
|
} |
|
113
|
9 |
|
usleep($sleep); |
|
114
|
9 |
|
} while ($block && $this->aliveCount() > 0); |
|
115
|
|
|
} |
|
116
|
|
|
} |
huyanping /
simple-fork-php
