note 118178 deleted from ref.pcntl by cmb
| From: | cmb@php.net | Date: | Wed, 16 Dec 2015 15:41:20 +0000 |
| Subject: | note 118178 deleted from ref.pcntl by cmb | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-204408@lists.php.net to get a copy of this message | ||
Note Submitter: netkiller at msn dot com
----
This is example for daemon of php.
<?php
/*
* PHP Daemon sample.
* Home: http://netkiller.github.io
* Author: netkiller<netkiller@msn.com>
*
*/
class Logger {
public function __construct(/*Logging $logger*/) {
}
public function logger($type, $message) {
$log = sprintf ( "%s\t%s\t%s\n", date ( 'Y-m-d H:i:s' ), $type, $message );
file_put_contents ( sprintf(__DIR__."/../log/sender.%s.log", date ( 'Y-m-d'
)), $log, FILE_APPEND );
}
}
final class Signal{
public static $signo = 0;
protected static $ini = null;
public static function set($signo){
self::$signo = $signo;
}
public static function get(){
return(self::$signo);
}
public static function reset(){
self::$signo = 0;
}
}
class Test extends Logger {
//public static $signal = null;
public function __construct() {
//self::$signal == null;
}
public function run(){
while(true){
pcntl_signal_dispatch();
printf(".");
sleep(1);
if(Signal::get() == SIGHUP){
Signal::reset();
break;
}
}
printf("\n");
}
}
class Daemon extends Logger {
/* config */
const LISTEN = "tcp://192.168.2.15:5555";
const pidfile = __CLASS__;
const uid = 80;
const gid = 80;
const sleep = 5;
protected $pool = NULL;
protected $config = array();
public function __construct($uid, $gid, $class) {
$this->pidfile = '/var/run/'.basename(get_class($class),
'.php').'.pid';
//$this->config = parse_ini_file('sender.ini', true);
//include_once(__DIR__."/config.php");
$this->uid = $uid;
$this->gid = $gid;
$this->class = $class;
$this->classname = get_class($class);
$this->signal();
}
public function signal(){
pcntl_signal(SIGHUP, function($signo) /*use ()*/{
//echo "\n This signal is called. [$signo] \n";
printf("The process has been reload.\n");
Signal::set($signo);
});
}
private function daemon(){
if (file_exists($this->pidfile)) {
echo "The file $this->pidfile exists.\n";
exit();
}
$pid = pcntl_fork();
if ($pid == -1) {
die('could not fork');
} else if ($pid) {
// we are the parent
//pcntl_wait($status); //Protect against Zombie children
exit($pid);
} else {
file_put_contents($this->pidfile, getmypid());
posix_setuid(self::uid);
posix_setgid(self::gid);
return(getmypid());
}
}
private function run(){
while(true){
printf("The process begin.\n");
$this->class->run();
printf("The process end.\n");
}
}
private function foreground(){
$this->run();
}
private function start(){
$pid = $this->daemon();
for(;;){
$this->run();
sleep(self::sleep);
}
}
private function stop(){
if (file_exists($this->pidfile)) {
$pid = file_get_contents($this->pidfile);
posix_kill($pid, 9);
unlink($this->pidfile);
}
}
private function reload(){
if (file_exists($this->pidfile)) {
$pid = file_get_contents($this->pidfile);
//posix_kill(posix_getpid(), SIGHUP);
posix_kill($pid, SIGHUP);
}
}
private function status(){
if (file_exists($this->pidfile)) {
$pid = file_get_contents($this->pidfile);
system(sprintf("ps ax | grep %s | grep -v grep", $pid));
}
}
private function help($proc){
printf("%s start | stop | restart | status | foreground | help \n", $proc);
}
public function main($argv){
if(count($argv) < 2){
$this->help($argv[0]);
printf("please input help parameter\n");
exit();
}
if($argv[1] === 'stop'){
$this->stop();
}else if($argv[1] === 'start'){
$this->start();
}else if($argv[1] === 'restart'){
$this->stop();
$this->start();
}else if($argv[1] === 'status'){
$this->status();
}else if($argv[1] === 'foreground'){
$this->foreground();
}else if($argv[1] === 'reload'){
$this->reload();
}else{
$this->help($argv[0]);
}
}
}
$daemon = new Daemon(80,80, new Test());
$daemon->main($argv);
?>