频道导航

• ▸ PHP
• ▸ Java
• ▸ Java SE
• ▸ Python
• ▸ C#
• ▸ C&C++
• ▸ Ruby
• ▸ VB
• ▸ asp.Net
• ▸ Go
• ▸ Perl
• ▸ netty
• ▸ Django
• ▸ Delphi
• ▸ Jsp
• ▸ .NET Core
• ▸ Spring
• ▸ Flask
• ▸ Springboot
• ▸ SpringMVC
• ▸ Lua
• ▸ Laravel
• ▸ Mybatis
• ▸ Asp
• ▸ Groovy
• ▸ ThinkPHP
• ▸ Yii
• ▸ swoole
• ▸ HTML
• ▸ HTML5
• ▸ JavaScript
• ▸ CSS
• ▸ jQuery
• ▸ Bootstrap
• ▸ Angularjs
• ▸ TypeScript
• ▸ Vue
• ▸ Dojo
• ▸ Json
• ▸ Electron
• ▸ Node.js
• ▸ extjs
• ▸ Express
• ▸ XML
• ▸ ES6
• ▸ Ajax
• ▸ Flash
• ▸ Unity
• ▸ React
• ▸ Flex
• ▸ Ant Design
• ▸ Web前端
• ▸ 微信小程序
• ▸ 微信公众号
• ▸ iOS
• ▸ Android
• ▸ Swift
• ▸ Hybrid
• ▸ Cocos2d-x
• ▸ Flutter
• ▸ Xcode
• ▸ Silverlight
• ▸ cocoa
• ▸ Cordova

• 前端之家
• PHP
• php获取后台Job管理的实现代码

<div class="codebody" id="code17576">
<?PHP defined('SYSPATH') OR die('No direct access allowed.');
class Controller_Jobs extends Controller_Base{
public function before(){
parent::before();
if(Request::$protocol != "cli"){
die("Only cli allowed!\n");
}
}
public function after(){
parent::after();
//do some cleaning tasks
}
private function _execJobCommand($joburi,$paras){
$PHP_exec = Kohana::config("picsou.PHP_exec");
$PHP_index = APPINDEX;
$command_args = array();
$command_args[] = $PHP_index;
$command_args[] = "--uri=".$joburi;
foreach ($paras as $para => $value){
$command_args[] = "--".$para."=".$value;
}
//var_dump($command_args);exit;
echo "exec commmand:".$PHP_exec."\n";
pcntl_exec($PHP_exec,$command_args);
}
/
Running jobs in queues
/
public function action_run(){
$requestCount = 0;
while(true){
$sql = "select from job_queue where status='1' and approved='1' order by id";
$jobs = DB::query(Database::SELECT,$sql)->execute()->as_array();
if($jobs){
foreach ($jobs as $job){
$requestCount ++;
//update the jobs status as running
DB::update('job_queue')->set(array('status'=>'2'))
->where('id','=',$job['id'])->execute();
$job_pid = pcntl_fork();
if($job_pid == -1){
die("Could not fork Child");
} else if($job_pid == 0 ){
$this->_execJobCommand($job['job_uri'],json_decode($job['paras'],true));
echo "finish Child\n";
exit(0);
//run jobs here
} else{
echo "Waiting for job\n";
ob_flush();
$child_pid = pcntl_waitpid($job_pid,$status,WUNTRACED);
echo "waitpid end:".$status."\n";
if($status == 0){
//job completed
DB::update('job_queue')->set(array('status'=>'999'))
->where('id',$job['id'])->execute();
echo "Child Finished\n";
ob_flush();
}else{
DB::update('job_queue')->set(array('status'=>'-1'))
->where('id',$job['id'])->execute();
echo "Child Failed\n";
ob_flush();
}
}
}
}
else{
if($requestCount >=10){
echo "Have a rest,I have processed 10 jobs\n";
exit;
}
//no job to run
//echo "No job\n";
ob_flush();
sleep(5);
}
}
}
}