<?php

namespace app\logic;

/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2019/5/20
 * Time: 11:22
 */


use app\lib\GlobConfigs;
use  app\lib\Wlog;

use WebSocket\Client as Client;

class SubServer
{
    public $serv;

    //线程连接实例
    private $workRedis = null;
    private $configs = null;

    public function __construct()
    {
        $this->configs = GlobConfigs::getKey('swoolev_subserv');
        $this->serv = new \swoole_websocket_server($this->configs['host'], $this->configs['port']);

        unset($this->configs['host']);
        unset($this->configs['port']);
        $this->serv->set($this->configs);

        $this->serv->on('Start', array($this, 'onStart'));
        $this->serv->on('WorkerStart', array($this, 'onWorkerStart'));
        $this->serv->on('message', array($this, 'onMessage'));
        $this->serv->on('close', array($this, 'onClose'));
        $this->serv->on('open', array($this, 'onOpen'));
        $this->serv->on('task', array($this, 'onTask'));
        $this->serv->on('Finish', array($this, 'onFinish'));

        return $this->serv->start();
    }

    public function onStart($serv)
    {
        echo "Sub on Start " . "\n";
    }

    public function onWorkerStart($serv, $worker_id)
    {
        if ($serv->taskworker) {
            return;
        }

        $this->PingRedis($serv, $worker_id);
        $serv->tick(8000, function () use ($serv, $worker_id) {
            $this->PingRedis($serv, $worker_id);
        });

        if ($worker_id == 0) {
            $serv->tick(1000, function () use ($serv, $worker_id) {
                $msg_index_aray = $this->getIndexMsg();
                if (!empty($msg_index_aray)) {
                    $this->sendIndexMsg($msg_index_aray);
                }
            });
        }


    }

    function onWorkerStop(swoole_server $server, int $worker_id)
    {
        echo "onWorkerStop.. " . $worker_id . ' ' . "\n";
        if ($this->workRedis) {
            $this->workRedis->close();
        }

    }


    public function onMessage($serv, $frame)
    {

    }

    public function onOpen($serv, $request)
    {

    }

    public function onTask($serv, \Swoole\Server\Task $task)
    {

    }

    public function onFinish($serv, $task_id, $data)
    {
    }

    public function onClose($serv, $fd, $from_id)
    {

    }


    //redis Ping检测
    private function PingRedis($serv, $worker_id)
    {
        if (empty($this->workRedis)) {
            $this->ConectToRedis($serv, $worker_id);
            return true;
        }
        $redis = $this->workRedis;
        if (!$redis) {
            $ping_ret = false;
        } else {
            $ping_ret_s = $redis->ping();
            $ping_ret = "+pong" === strtolower($ping_ret_s) ? true : false;
        }

        if (!$ping_ret) {
            return $this->ConectToRedis($serv, $worker_id);
        }
        return true;
    }

    //工作线程 同步阻塞 redis客户端
    private function ConectToRedis($serv, $worker_id)
    {
        $conf = GlobConfigs::getKey('redis');
        $redis = new \Redis();
        try {
            $ret = $redis->connect($conf['host'], $conf['port'], $conf['overtime']);
        } catch (\Exception $e) {
            $ret = false;
        }

        if ($ret) {
            Wlog::getInstance()->WriteLog("success:成功建立redis连接[In Subserver] " . date("Y-m-d H:i:s") . ' ' . $worker_id);
            $this->workRedis = $redis;
            return $redis;
        } else {
            Wlog::getInstance()->WriteLog("error:建立redis连接[In Subserver] " . date("Y-m-d H:i:s") . ' ' . $worker_id);
            $this->workRedis = null;
        }
        return false;
    }


    ////////////////////////
    //去redis里找 msg_index 是否有数据，有取出来，
    private function getIndexMsg()
    {
        $redis = $this->workRedis;
        $len = $redis->LLEN(MSG_INDEX);

        if ($len <=0 ) {
            return;
        }
        $datas = [];
        while ($now = $redis->rpop(MSG_INDEX)) {
            if (empty($now)) {
                break;
            }
            $datas[] = $now;
        }

        return $datas;
    }

    ///如果有msg_index数据，就通知服务端下发
    private function sendIndexMsg($msg_index_aray)
    {
        $conf = GlobConfigs::getKey('admin_conf');
        $token = $conf['admin_token'];
        $url = $conf['url'];
        $client = new Client("$url?token=" . $token);

        $arr = [
            'cmd' => 'subserv',
            'act' => 'index_msg',
            'data' => $msg_index_aray,
            'time' => time(),
            'token' => '',
        ];
        $str = json_encode($arr, 256);
        $r = $client->send($str);
        $reciv = $client->receive();
        $client->close();

        unset($client);
    }
    /////////////////////////


}