MyQEE\Server\RPC\Client::connect PHP Метод

    public function connect($ip, $port)
    {
        if ($this->__client) {
            @$this->__client->close();
            $this->__client = null;
        }
        /**
         * @var RPC $rpc
         */
        $this->__ip = $ip;
        $this->__port = $port;
        $this->__closeByServer = false;
        $rpc = $this->__rpc;
        $key = $rpc::_getRpcKey();
        $client = new \Swoole\Client(SWOOLE_TCP, SWOOLE_SOCK_ASYNC);
        $client->on('receive', function ($client, $data) use($key) {
            $arr = explode(Server::$EOF, $data);
            foreach ($arr as $item) {
                if ($item === '') {
                    continue;
                }
                $tmp = @msgpack_unpack($item);
                if ($key) {
                    $tmp = Server::decryption($tmp, $key);
                    if (!$tmp) {
                        \MyQEE\Server\Server::$instance->warn('rpc decryption data fail. data: ' . $item);
                        continue;
                    }
                }
                switch ($tmp->type) {
                    case 'on':
                        $event = $tmp->event;
                        if (isset($this->__events[$event])) {
                            # 回调执行
                            call_user_func_array($this->__events[$event], $tmp->args);
                        } else {
                            \MyQEE\Server\Server::$instance->warn("unknown rpc {$this->__rpc} event: {$event}");
                        }
                        break;
                    case 'close':
                        $this->__closeByServer = true;
                        $this->__client = null;
                        break;
                    default:
                        \MyQEE\Server\Server::$instance->warn("unknown rpc type {$tmp->type}");
                        break;
                }
            }
        });
        $client->on('connect', function ($client) {
            if (isset($this->__events['connect'])) {
                # 回调自定义的事件
                call_user_func($this->__events['connect'], $client);
            }
        });
        $client->on('close', function ($client) {
            $this->__client = null;
            \MyQEE\Server\Server::$instance->warn("rpc connection closed, {$this->__ip}:{$this->__port}.");
            if (!$this->isClosedByServer()) {
                # 不是被服务器强制关闭的则自动重新连接
                $this->reconnect();
            }
            if (isset($this->__events['close'])) {
                # 回调自定义的事件
                call_user_func($this->__events['close'], $client);
            }
        });
        $client->on('error', function ($client) {
            $this->__client = null;
            \MyQEE\Server\Server::$instance->warn("rpc connection({$this->__ip}:{$this->__port}) error: " . socket_strerror($client->errCode));
            # 遇到错误则自动重连
            swoole_timer_after(3000, function () {
                $this->reconnect();
            });
            if (isset($this->__events['error'])) {
                # 回调自定义的事件
                call_user_func($this->__events['error'], $client);
            }
        });
        $this->__client = $client;
        # 发心跳包
        swoole_timer_tick(1000 * 60 * 5, function () {
            if ($this->__client && $this->__client->isConnected()) {
                $this->__client->send("" . Server::$EOF);
            }
        });
        $this->__client->connect($ip, $port);
        return true;
    }