<?php
/**
 * rabbitMq 消费者
 */

namespace console\controllers\swoole_server;

use common\helpers\ArrayHelper;
use common\helpers\FileHelper;
use common\helpers\StringHelper;
use Exception;
use Yii;
use yii\base\DynamicModel;
use yii\console\Controller;

class BaseSwooleServer extends Controller
{
    public $option;
    /**
     * 自定义选项
     * @Author bing
     * @DateTime 2021-10-15 10:43:18
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $actionID
     * @return void
     */
    public function options($actionID)
    {        
        $options = parent::options($actionID);
        return array_merge($options, [
            'option'
        ]);
    }

    /**
     * 自定义命令别名
     * @Author bing
     * @DateTime 2021-10-15 10:42:50
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return void
     */
    public function optionAliases()
    {
        $optionAliases = parent::optionAliases();
        return array_merge($optionAliases, [
            
        ]);
    }

    /**
     * 验证服务启动命令
     * @Author bing
     * @DateTime 2021-10-15 10:45:13
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $action
     * @return void
     */
    public function beforeAction($action)
    {
        $params = Yii::$app->request->getParams();
        $model = new DynamicModel([
            'option' => $params[1] ?? null
        ]);
        $model->addRule('option', 'default', ['value' => 'start'])
            ->addRule('option', 'required')
            ->addRule('option', 'string')
            ->addRule('option', 'in', ['range' => ['start', 'stop', 'restart']])
            ->validate();
        if ($model->hasErrors()) {
            throw new Exception($model->getFirstError('option'), 500);
        }
        $attributes = $model->getAttributes();
        $this->option = $attributes['option'];
        return parent::beforeAction($action);
    }

    /**
     * 获取当前进程id
     * @Author bing
     * @DateTime 2021-10-15 11:01:31
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return void
     */
    public function getPid()
    {
        return posix_getpid();
    }

    /**
     * 创建pid保存文件
     * @Author bing
     * @DateTime 2021-10-15 11:06:16
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return string
     */
    public function getPidFile()
    {
        $uniqueId = $this->action->getUniqueId();
        $pidPath = Yii::$app->getRuntimePath() . '/pid/';
        FileHelper::createDirectory($pidPath);
        return $pidPath . StringHelper::replace('/', '_', $uniqueId) . '.pid';
    }

    /**
     * 把pid写入文件内
     * @Author bing
     * @DateTime 2021-10-15 11:11:52
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $pid
     * @return void
     */
    public function writePid($pid = null)
    {
        if (empty($pid)) {
            $pid = $this->getPid();
        }
        $pidFile = $this->getPidFile();
        file_put_contents($pidFile, $pid . PHP_EOL, FILE_APPEND);
    }

    /**
     * 获取运行中的进程
     * @Author bing
     * @DateTime 2021-10-15 11:13:33
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return array
     */
    public function getPids()
    {
        $pidFile = $this->getPidFile();
        @$pidString = file_get_contents($pidFile);
        $pids = array_filter(StringHelper::explode($pidString, PHP_EOL));
        return $pids;
    }

    /**
     * 终止进程
     * @Author bing
     * @DateTime 2021-10-15 11:16:49
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return void
     */
    public function killPids(){
        $pidFile = $this->getPidFile();
        $pids = $this->getPids();
        array_map(function ($value) {
            // 终止信号
            posix_kill($value, SIGTERM);
        }, $pids);
        file_put_contents($pidFile, '');
    }

    /**
     * 检查进程是否在运行中
     * @Author bing
     * @DateTime 2021-10-15 11:20:14
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return void
     */
    public function processRunningCheck(){
        $pidFile = $this->getPidFile();
        $pids = $this->getPids();
        foreach ($pids as $pid) {
            if (file_exists('/proc/' . $pid)) {
                return true;
            }
        }
        file_put_contents($pidFile, '');
        return false;
    }
    /**
     * 服务启动时处理进程管理
     * @Author bing
     * @DateTime 2021-10-15 16:22:01
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $serv
     * @return void
     */
    public function onStart($serv)
    {
        //管理master_id和manager_id
        $this->writePid($serv->master_pid);
        $this->writePid($serv->manager_pid);
        swoole_set_process_name("swoole:master {$serv->master_pid}");
        echo "server start".PHP_EOL;
    }

    /**
     * 运行选项
     * @Author bing
     * @DateTime 2021-10-15 11:22:58
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @return void
     */
    public function beforeRun(){
        switch ($this->option) {
            case 'start':
                if ($this->processRunningCheck()) throw new Exception('pid 文件运行中，服务正在运行中', 500);
                break;
            case 'stop':
                $this->killPids();
                break;
            case 'restart':
                $this->killPids();
                // 等待旧进程终止
                sleep(1);
                break;
        }
        return $this->option;
    }

     /**
     * 数据签名
     * @Author bing
     * @DateTime 2021-10-18 13:20:34
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $data
     * @return void
     */
    public function addSign(&$data)
    {
        asort($data);
        $tmpSign = serialize($data);
        $sign = md5($tmpSign . $this->sign);
        $data['sign'] = $sign;
    }

    /**
     * 验证签名
     * @Author bing
     * @DateTime 2021-10-18 13:21:14
     * @copyright: Copyright (c) 2020 广东七件事集团
     * @param [type] $data
     * @return void
     */
    public function checkSign($data)
    {
        $data = json_decode($data, true);
        if (!isset($data['sign'])) return false;
        $sign = $data['sign'];
        unset($data['sign']);
        asort($data);
        $tmpSign = serialize($data);
        $checkSign = md5($tmpSign . $this->sign);
        if ($checkSign == $sign) return true;
        return false;
    }
}