-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathhelper.php
More file actions
206 lines (178 loc) · 5.26 KB
/
Copy pathhelper.php
File metadata and controls
206 lines (178 loc) · 5.26 KB
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
<?php
class Helper{
public static $count = 2;
public static $daemonize = true;
public static $pidFile = 'helper.pid';
public static $logFile='./helper.log';
private static $_masterPid;
private static $_pidMap = array();
/**
* 设置进程名称
* @param [type] $title [description]
*/
private static function setProcessName($title){
if(function_exists("cli_set_process_title")){
@cli_set_process_title($title);
}
elseif(extension_loaded('proctitle') && function_exists('setproctitle'))
{
@setproctitle($title);
}
}
public static function runAll(){
self::init();
self::parseCommand();
self::daemonize();
self::installSignal();
self::saveMasterPid();
self::forkWorkers();
self::info();
self::resetStd();
self::monitor();
}
private static function init(){
self::setProcessName("Helper:Master Process");
}
private static function parseCommand(){
global $argv;
$cmd = $argv[1];
$masterPid = @file_get_contents(self::$pidFile);
switch($cmd){
case 'start':
if($masterPid >0){
exit("服务已经启动了，请先停止服务\n");
}
break;
case 'stop':
self::stop();
break;
case 'reload':
posix_kill($masterPid,SIGUSR1);
exit;
default:
exit("please input {start|stop|reload} \n");
}
}
private static function stop(){
@unlink(self::$pidFile);
exec("ps aux|grep Helper:|grep -v 'grep Helper:'|awk '{print $2}'|xargs kill -9");
}
private static function daemonize(){
if(!self::$daemonize){
return;
}
$pid = pcntl_fork();
if($pid == -1 ){
throw new \Exception("Fork Error\n");
}
if($pid > 0){
exit(0);
}
if(posix_setsid() == -1){
throw new \Exception("posix setsid error\n");
}
$pid = pcntl_fork();
if($pid == -1){
throw new \Exception("fork error\n");
}
elseif($pid != 0){
exit(0);
}
}
private static function installSignal(){
pcntl_signal(SIGINT,array('Helper','signalHandler'),false);
pcntl_signal(SIGUSR1,array('Helper','signalHandler'),false);
pcntl_signal(SIGUSR2,array('Helper','signalHandler'),false);
}
private static function signalHandler($signal){
switch($signal){
//stop
case SIGINT:
self::stopAll();
break;
//reload
case SIGUSR1:
self::reload();
break;
//status
case SIGUSR2:
break;
}
}
/**
* reload
*/
private static function reload(){
if(self::$_masterPid == posix_getpid()){
//主进程
foreach(self::$_pidMap as $pid){
//posix_kill($pid,SIGUSR1);
}
}
}
private static function forkWorkers(){
for($i = 0;$i<self::$count;$i++){
self::_forkWorker();
}
}
private static function _forkWorker(){
$pid = pcntl_fork();
if($pid > 0){
self::$_pidMap[]=$pid;
}elseif($pid == 0){
self::setProcessName("Helper:Process");
self::resetStd();
//子进程do something
self::doSth();
exit(200);
}
}
private static function doSth(){
while(1){
pcntl_signal_dispatch();
//echo "";
echo "i am doSth before @ ",date('Y-m-d H:i:s'),"\n";
sleep(20);
echo "i am doSth after @ ",date('Y-m-d H:i:s'),"\n";
}
}
private static function saveMasterPid(){
self::$_masterPid = posix_getpid();
if(@file_put_contents(self::$pidFile,self::$_masterPid) === false){
throw new \Exception('can not save pid to '.self::$pidFile."\n");
}
}
private static function info(){
echo "--------------------------------------------\n";
echo "\033[30;47m","This is Helper","\033[0m","\n";
echo "Master Pid:",self::$_masterPid,"\n";
echo "Child Pid:",implode(",",self::$_pidMap),"\n";
echo "--------------------------------------------\n";
}
private static function resetStd(){
if(!self::$daemonize){
return;
}
global $STDOUT,$STDERR;
$handle = @fopen(self::$logFile,'a');
if($handle){
@fclose(STDOUT);
@fclose(STDERR);
unset($handle);
$STDOUT=fopen(self::$logFile,'a');
$STDERR=fopen(self::$logFile,'a');
}else{
throw new \Exception("不能打开stdOutFile ". self::$logFile."\n");
}
}
private static function monitor(){
while(1){
pcntl_signal_dispatch();
$status = 0;
$pid = pcntl_wait($status,WUNTRACED);
pcntl_signal_dispatch();
//
//sleep(10);
}
}
}