fox/etcd/etcd.go
2025-06-16 22:06:59 +08:00

59 lines
1.3 KiB
Go

package etcd
import (
"encoding/json"
"fmt"
"github.com/fox/fox/log"
"sync"
)
type Registry[T INode] struct {
*etcdRegistryImpl
nodes *sync.Map
me T
}
func NewRegistry[T INode](endpoints []string, username, password string, me T) (*Registry[T], error) {
bs, err := json.Marshal(me)
if err != nil {
return nil, err
}
e := &Registry[T]{}
e.etcdRegistryImpl, err = newServiceRegistryImpl(endpoints, me.EtcdRootKey(), username, password, e, me.EtcdKey(), string(bs))
e.nodes = &sync.Map{}
return e, err
}
// 保存当前服务
func (r *Registry[T]) saveNode(newNodes *sync.Map, jsonBytes []byte) {
var tmp = new(T)
if err := json.Unmarshal(jsonBytes, tmp); err != nil {
log.ErrorF(err.Error())
}
newNodes.Store((*tmp).MapKey(), *tmp)
}
// 保存当前服务
func (r *Registry[T]) replace(newNodes *sync.Map) {
r.nodes = newNodes
}
// 获取当前根节点下所有节点信息
func (r *Registry[T]) GetNodes() *sync.Map {
return r.nodes
}
// 根据inode的mapKey()查找对应的节点
func (r *Registry[T]) FindNode(key string) (T, error) {
var tmp = new(T)
v, ok := r.nodes.Load(key)
if !ok {
return *tmp, fmt.Errorf("%v not exist", key)
}
if node, ok := v.(T); ok {
return node, nil
}
return *tmp, fmt.Errorf("%v 类型转换失败", key)
}