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118 lines
4.5 KiB
118 lines
4.5 KiB
<?php
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/**
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* 启动并监控cron的队列脚本状态
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*
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* @copyright (c) 2010, weibo All rights reserved.
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* @author 王勇 <wangyong1@staff.sina.com.cn>
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* @version 2.0 - 2011-11-25
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* @package Daemon
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*/
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include_once(dirname(dirname(dirname(__FILE__)))."/library/publicBase.php");
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date_default_timezone_set("Asia/Shanghai");
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abstract class cronBase {
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protected $process; // 队列进程列表，必选项
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protected $procnumlist; // 队列进程数限制，必选项
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protected $procnum = 0; // 默认启动进程数
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protected $maxtimelist; // 队列进程最大执行时间限制列表
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protected $maxtime = 480; // 队列一次循环的默认最长时间, 未自定义则该项有效, 超过该值进程将被杀死
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protected $bin_php = '/usr/local/bin/php'; // php执行文件路径
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private $path_daemon; // ROOT根目录
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private $proc_start; // 启动队列的进程信息
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private $path_prochealth; // 进程健康路径
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private $path_conf; // 配置文件路径
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public function __construct() {
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$this->path_conf = dirname(dirname(__FILE__))."/config/daemonconf.php";
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include_once($this->path_conf);
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$this->path_daemon = dirname(dirname(dirname(__FILE__))).'/queue/deal/';
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$this->path_prochealth = dirname(dirname(dirname(__FILE__))).'/queue/cache/proc/deal_%s.txt';
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$this->setPara();
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$this->prepare();
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$this->checkProc();
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$this->startProc();
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return true;
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}
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/* 子类必须实现，设置队列运行所须属性 */
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public abstract function setPara();
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private function prepare() {
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$dir_prochealth = dirname($this->path_prochealth);
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if(!is_dir($dir_prochealth)) system("mkdir -p $dir_prochealth");
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if(empty($this->process)) exit("No dealscript.\n");
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}
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private function checkProc() {
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$obj = new mBase();
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$server_ip = $obj->getServerIp();
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$rdobj = $obj->initRedis();
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// 检测
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foreach($this->process as $deal_flag => $proc) {
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$active_proc_codes = array();
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// 搜集存活的进程号、数
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$path_proc = $this->path_daemon.$proc;
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$chk_shell = "ps -ef|grep '{$path_proc}'|grep -v grep|grep -v '\/bin\/sh'|awk -F ' ' '{print $2\" \"$10\" \"$11}'";
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$maxtime = $this->maxtimelist[$deal_flag]+0>0 ? $this->maxtimelist[$deal_flag] : $this->maxtime;
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$fp = @popen($chk_shell, 'r');
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while (!feof($fp)) {
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$buffer = fgets($fp, 4096);
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$procinfo = explode(' ', trim($buffer));
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$procid = $procinfo[0]+0;
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$proc_code = is_numeric($procinfo[2]) ? $procinfo[2] : $procinfo[1]+0;
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if($procid==0) continue;
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// 杀死僵死进程
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$lasttime = $rdobj->get(sprintf(_DAEMON_HEALTH, $server_ip, $deal_flag, $proc_code));
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if($lasttime === false || time()-$lasttime > $maxtime) {
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system("/bin/kill -9 $procid");
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error_log('['.date('Y-m-d H:i:s').']kill:'.$path_proc.'|'.$proc_code.'_'.md5($path_proc).'|'.time().'|'.$lasttime.'|'.$maxtime."\n", 3, dirname(dirname(__FILE__)).'/cache/proc/cron_track.log');
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} else {
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// 存活的进程
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$active_proc_codes[] = $proc_code;
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}
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}
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$procnum = $this->procnumlist[$deal_flag]+0>0 ? $this->procnumlist[$deal_flag] : $this->procnum;
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for($i=0;$i<$procnum;$i++) {
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if(in_array($i, $active_proc_codes)) continue;
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$this->proc_start[$deal_flag]['proc'] = $path_proc;
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$this->proc_start[$deal_flag]['startnum'][] = $i;
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}
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if($fp) @pclose($fp);
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}
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}
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/* 检查进程运行情况检测, 杀僵死进程, 启动进程 */
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private function startProc() {
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// 启动队列
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if(empty($this->proc_start)) return ;
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foreach($this->proc_start as $deal_flag => $proc) {
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if(empty($proc['startnum'])) continue;
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foreach ($proc['startnum'] as $proc_code) {
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$cmd = "{$this->bin_php} {$proc['proc']} {$deal_flag} {$proc_code} &";
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//echo $cmd."\n";
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//error_log('['.date('Y-m-d H:i:s').']startproc:'.$cmd."\n", 3, dirname(__FILE__).'/cron_track.log');
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$fp = @popen($cmd, "r");
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if($fp) @pclose($fp);
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}
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}
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}
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}
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