func()

in client/session.go [1041:1087]

• 39 lines of code
• 8 McCabe index (conditional complexity)

func (s *Session) initClusterConn(node endPoint) error {
	var err error

	s.trans = thrift.NewTSocketConf(net.JoinHostPort(node.Host, node.Port), &thrift.TConfiguration{
		ConnectTimeout: time.Duration(0), // Use 0 for no timeout
	})
	if err == nil {
		// s.trans = thrift.NewTFramedTransport(s.trans)	// deprecated
		var tmp_conf = thrift.TConfiguration{MaxFrameSize: thrift.DEFAULT_MAX_FRAME_SIZE}
		s.trans = thrift.NewTFramedTransportConf(s.trans, &tmp_conf)
		if !s.trans.IsOpen() {
			err = s.trans.Open()
			if err != nil {
				return err
			}
		}
	}

	if s.config.FetchSize < 1 {
		s.config.FetchSize = DefaultFetchSize
	}

	if s.config.TimeZone == "" {
		s.config.TimeZone = DefaultTimeZone
	}

	if s.config.ConnectRetryMax < 1 {
		s.config.ConnectRetryMax = DefaultConnectRetryMax
	}

	var protocolFactory thrift.TProtocolFactory
	protocolFactory = thrift.NewTBinaryProtocolFactoryDefault()
	iprot := protocolFactory.GetProtocol(s.trans)
	oprot := protocolFactory.GetProtocol(s.trans)
	s.client = rpc.NewTSIServiceClient(thrift.NewTStandardClient(iprot, oprot))
	req := rpc.TSOpenSessionReq{ClientProtocol: rpc.TSProtocolVersion_IOTDB_SERVICE_PROTOCOL_V3, ZoneId: s.config.TimeZone, Username: &s.config.UserName,
		Password: &s.config.Password}

	resp, err := s.client.OpenSession(context.Background(), &req)
	if err != nil {
		return err
	}
	s.sessionId = resp.GetSessionId()
	s.requestStatementId, err = s.client.RequestStatementId(context.Background(), s.sessionId)
	return err

}