package redisrpc

import (
	"github.com/golang/protobuf/proto"
)

/**
 * 使用用户名查询
 */
func GetByKey(key string, url ...string) (string, error) {

	var user_rpc_url string = "127.0.0.1:7953"
	if len(url) > 0 && url[0] != "" {
		user_rpc_url = url[0]
	}

	conn, _, err := DialRedisService("tcp", user_rpc_url)
	if err != nil {
		return "", err
	}
	defer conn.Close()

	req := &GetKey{proto.String(key), nil}

	res := &GetResponse{}

	err = conn.GetByKey(req, res)

	if err != nil {
		return "", err
	}

	return res.GetString_(), nil
}