349 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			349 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			PHP
		
	
	
| <?php
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| // +----------------------------------------------------------------------
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| // | LikeShop有特色的全开源社交分销电商系统
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| // +----------------------------------------------------------------------
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| // | 欢迎阅读学习系统程序代码,建议反馈是我们前进的动力
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| // | 商业用途务必购买系统授权,以免引起不必要的法律纠纷
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| // | 禁止对系统程序代码以任何目的,任何形式的再发布
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| // | 微信公众号:好象科技
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| // | 访问官网:http://www.likemarket.net
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| // | 访问社区:http://bbs.likemarket.net
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| // | 访问手册:http://doc.likemarket.net
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| // | 好象科技开发团队 版权所有 拥有最终解释权
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| // +----------------------------------------------------------------------
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| // | Author: LikeShopTeam-段誉
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| // +----------------------------------------------------------------------
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| 
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| 
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| namespace app\common\websocket;
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| 
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| 
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| use app\common\enum\ChatMsgEnum;
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| use app\common\utils\Redis;
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| use Swoole\Server;
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| use Swoole\Websocket\Frame;
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| use think\App;
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| use think\Event;
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| use think\Request;
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| use think\swoole\Websocket;
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| use think\swoole\websocket\Room;
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| 
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| class Handler extends Websocket
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| {
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|     protected $server;
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| 
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|     protected $room;
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| 
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|     protected $parser;
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| 
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|     protected $cache;
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| 
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|     protected $prefix;
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| 
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|     public function __construct(App $app, Server $server, Room $room, Event $event, Parser $parser, Redis $redis)
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|     {
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|         $this->server = $server;
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|         $this->room = $room;
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|         $this->parser = $parser;
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|         $this->cache = $redis;
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|         $this->prefix = config('default.websocket_prefix');
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|         parent::__construct($app, $server, $room, $event);
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|     }
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| 
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| 
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|     /**
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|      * @notes open
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|      * @param int $fd
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|      * @param Request $request
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|      * @return bool|mixed|void
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|      * @author 段誉
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|      * @date 2021/12/15 19:13
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|      */
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|     public function onOpen($fd, Request $request)
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|     {
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|         $token = $request->get('token/s'); // 客服
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|         $type = $request->get('type/s'); // user, kefu
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|         $client = $request->get('client/d');
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|         $shop_id = $request->get('shop_id/d', 0); //当前对话的商家id
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| 
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|         try {
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|             $user = $this->triggerEvent('login', ['client' => $client, 'token' => $token, 'type' => $type]);
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| 
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|             if ($user['code'] == 20001 || empty($user['data']['id'])) {
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|                 throw new \Exception(empty($user['msg']) ? "未知错误" : $user['msg']);
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|             }
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|         } catch (\Throwable $e) {
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|             echo 'onOpen错误:' . $e->getMessage();
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|             return $this->server->close($fd);
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|         }
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| 
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|         // 登录者绑定fd
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|         $this->bindFd($type, $user['data'], $fd, $shop_id);
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| 
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|         $this->ping($fd);
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| 
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|         return $this->pushData($fd, 'login', [
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|             'msg' => '连接成功',
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|             'msg_type' => ChatMsgEnum::TYPE_TEXT
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|         ]);
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|     }
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| 
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| 
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|     /**
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|      * @notes onMessage
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|      * @param Frame $frame
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|      * @return bool|mixed|void
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|      * @author 段誉
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|      * @date 2021/12/20 10:53
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|      */
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|     public function onMessage(Frame $frame)
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|     {
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|         $param = $this->parser->decode($frame->data);
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| 
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|         try {
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|             // 回应ping
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|             if ('ping' === $param['event']) {
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|                 return $this->ping($frame->fd);
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|             }
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| 
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|             $param['handle'] = $this;
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|             $param['fd'] = $frame->fd;
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| 
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|             return $this->triggerEvent($param['event'], $param);
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| 
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|         } catch (\Throwable $e) {
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|             echo $e->getMessage();
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|             return $this->pushData($frame->fd, 'error', [
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|                 'msg' => $e->getMessage(),
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|                 'msg_type' => ChatMsgEnum::TYPE_TEXT
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|             ]);
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|         }
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|     }
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| 
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| 
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| 
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|     /**
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|      * @notes onClose
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|      * @param int $fd
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|      * @param int $reactorId
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|      * @author 段誉
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|      * @date 2021/12/15 19:03
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|      */
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|     public function onClose($fd, $reactorId)
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|     {
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|         $this->triggerEvent('close', ['handle' => $this, 'fd' => $fd]);
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|         $this->removeBind($fd);
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|         $this->server->close($fd);
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|     }
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| 
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| 
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|     /**
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|      * @notes 触发事件
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|      * @param string $event
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|      * @param array $data
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|      * @return mixed
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|      * @author 段誉
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|      * @date 2021/12/15 19:03
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|      */
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|     public function triggerEvent(string $event, array $data)
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|     {
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|         return $this->event->until('swoole.websocket.' . $event, $data);
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|     }
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| 
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| 
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| 
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|     /**
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|      * @notes 登录者的id绑定fd
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|      * @param $type
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|      * @param $user
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|      * @param $fd
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|      * @param $shop_id
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|      * @author 段誉
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|      * @date 2021/12/15 19:02
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|      */
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|     public function bindFd($type, $user, $fd, $shop_id)
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|     {
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|         $uid = $user['id'];
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| 
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|         //检查当前用户当前终端是否已存在
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| //        $check = $this->getFdByUid($uid, $type);
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| //        if (!empty($check)) {
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| //            foreach ($check as $item) {
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| //                $info = $this->getDataByFd($item);
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| //                $client = $info['client'] ?? 0;
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| //                if ($client == $user['client'] && $fd != $item) {
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| //                    $this->del($this->prefix . 'fd_' . $item);
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| //                    $this->cache->srem($this->prefix . $type . '_' . $uid, $item);
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| //                }
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| //            }
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| //        }
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| 
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|         // socket_fd_{fd} => ['uid' => {uid}, 'type' => {type}]
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|         // 以fd为键缓存当前fd的信息
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|         $fdKey = $this->prefix . 'fd_' . $fd;
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|         $fdData = [
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|             'uid' => $uid,
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|             'type' => $type,
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|             'nickname' => $user['nickname'],
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|             'avatar' => $user['avatar'],
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|             'client' => $user['client'],
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|             'shop_id' => $shop_id
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|         ];
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|         $this->cache->set($fdKey, json_encode($fdData, true));
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| 
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|         // socket_user_1(user_id) => {fd} 用户userid为1 的 fd
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|         // socket_kefu_2(kefu_id) => {fd} 客服kefu_id为2 的 fd
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|         $uidKey = $this->prefix . $type . '_' . $uid;
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|         $this->cache->sadd($uidKey, $fd);
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| 
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|         // socket_user => {fd} 在线用户的所有fd
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|         if ($type == 'kefu') {
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|             $groupKey = $this->prefix . 'shop_' . $shop_id . '_kefu';
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|         } else {
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|             $groupKey = $this->prefix . 'user';
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|         }
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|         $this->cache->sadd($groupKey, $uid);
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|     }
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| 
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| 
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|     /**
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|      * @notes 移除绑定
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|      * @param $fd
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|      * @author 段誉
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|      * @date 2021/12/15 19:02
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|      */
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|     public function removeBind($fd)
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|     {
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|         $data = $this->getDataByFd($fd);
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|         if ($data) {
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|             $key = $this->prefix . 'user';
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|             if($data['type'] == 'kefu') {
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|                 $key = $this->prefix . 'shop_'. $data['shop_id'] . '_kefu';
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|             }
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|             $this->cache->srem($key, $data['uid']); // socket_user => 11
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|             $this->cache->srem($this->prefix . $data['type'] . '_' . $data['uid'], $fd); // socket_user_uid => fd
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|         }
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|         $this->cache->del($this->prefix . 'fd_' . $fd);
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|     }
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| 
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| 
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| 
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|     /**
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|      * @notes 通过登录id和登录类型获取对应的fd
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|      * @param $uid
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|      * @param $type
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|      * @return bool
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|      * @author 段誉
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|      * @date 2021/12/15 19:02
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|      */
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|     public function getFdByUid($uid, $type)
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|     {
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|         $key = $this->prefix . $type . '_' . $uid;
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|         return $this->cache->sMembers($key);
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|     }
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| 
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| 
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| 
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|     /**
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|      * @notes 根据fd获取登录的id和登录类型
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|      * @param $fd
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|      * @return mixed|string
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|      * @author 段誉
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|      * @date 2021/12/15 19:02
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|      */
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|     public function getDataByFd($fd)
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|     {
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|         $key = $this->prefix . 'fd_' . $fd;
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|         $result = $this->cache->get($key);
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|         if (!empty($result)) {
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|             $result = json_decode($result, true);
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|         }
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|         return $result;
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|     }
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| 
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| 
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|     /**
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|      * @notes ping
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|      * @param $fd
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|      * @return bool
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|      * @author 段誉
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|      * @date 2021/12/20 15:19
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|      */
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|     public function ping($fd)
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|     {
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|         $data = $this->getDataByFd($fd);
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|         if (!empty($data)) {
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|             return $this->pushData($fd, 'ping', ['client_time' => time()]);
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|         }
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|         return true;
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|     }
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| 
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| 
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| 
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| 
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|     /**
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|      * @notes 推送数据
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|      * @param $fd
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|      * @param $event
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|      * @param $data
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|      * @return bool
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|      * @author 段誉
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|      * @date 2021/12/15 19:02
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|      */
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|     public function pushData($fd, $event, $data)
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|     {
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|         $data = $this->parser->encode($event, $data);
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| 
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|         // fd非数组时转为数组
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|         if (!is_array($fd)) {
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|             $fd = [$fd];
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|         }
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| 
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|         // 向fd发送消息
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|         foreach ($fd as $item) {
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|             if ($this->server->exist($item)) {
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|                 $this->server->push($item, $data);
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|             }
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|         }
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|         return true;
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|     }
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| 
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| 
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| 
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|     /**
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|      * @notes 在线fd
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|      * @param $fd
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|      * @return array
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|      * @author 段誉
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|      * @date 2021/12/17 18:19
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|      */
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|     public function onlineFd($fd)
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|     {
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|         $result = [];
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| 
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|         if (empty($fd)) {
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|             return $result;
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|         }
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| 
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|         if (!is_array($fd)) {
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|             $fd = [$fd];
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|         }
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| 
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|         foreach ($fd as $item) {
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| 
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| //            $fd_data = $this->getDataByFd($fd);
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| //            $fd_shop_id = $fd_data['shop_id'] ?? 0;
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| //            if ($fd_shop_id != $shop_id) {
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| //                continue;
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| //            }
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| 
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|             if ($this->server->exist($item)) {
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|                 $result[] = $item;
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|             }
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|         }
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| 
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|         return $result;
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|     }
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| 
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| }
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