/
register.go
65 lines (59 loc) · 1.44 KB
/
register.go
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package hxzookeeper
import (
"fmt"
"github.com/go-zookeeper/zk"
)
type Register struct {
conn *zk.Conn
conf *ZkConfig
svcInfo *ServiceInfo
}
func NewRegister(zkConfig *ZkConfig) (*Register, error) {
conn, _, err := zk.Connect(zkConfig.Urls, zkConfig.Timeout)
if err != nil {
return nil, err
}
return &Register{
conn: conn,
conf: zkConfig,
}, nil
}
func (r *Register) ServiceRegister(svcInfo *ServiceInfo) error {
existsOrCreate := func(path string, flag int32) (bool, error) {
exist, _, err := r.conn.Exists(path)
if err != nil {
return false, err
}
if !exist {
_, err = r.conn.Create(path, nil, flag, zk.WorldACL(zk.PermAll))
if err != nil {
return false, err
}
}
return exist, nil
}
node := fmt.Sprintf("/%s/%s", schemeName, svcInfo.svcName)
if _, err := existsOrCreate(node, 0); err != nil {
return err
}
path := fmt.Sprintf("/%s/%s/%s:%d", schemeName, svcInfo.svcName, svcInfo.SvcIp, svcInfo.SvcPort)
exist, err := existsOrCreate(path, int32(zk.FlagEphemeral))
if err != nil {
return err
}
if exist {
// 存在则更新
if _, stat, err := r.conn.Get(path); err == nil {
_, err = r.conn.Set(path, nil, stat.Version)
}
}
return nil
}
func (r *Register) ServiceDeregister() error {
path := fmt.Sprintf("%s/%s/%s:%d", schemeName, r.svcInfo.svcName, r.svcInfo.SvcIp, r.svcInfo.SvcPort)
_, stat, err := r.conn.Get(path)
if err != nil {
return err
}
return r.conn.Delete(path, stat.Version)
}