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Golang Conn.Get方法代碼示例

本文整理匯總了Golang中github.com/ngaut/zkhelper.Conn.Get方法的典型用法代碼示例。如果您正苦於以下問題：Golang Conn.Get方法的具體用法？Golang Conn.Get怎麽用？Golang Conn.Get使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/ngaut/zkhelper.Conn的用法示例。


在下文中一共展示了Conn.Get方法的14個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: RemoveServer

func (sg *ServerGroup) RemoveServer(coordConn zkhelper.Conn, addr string) error {
	coordPath := fmt.Sprintf("/zk/reborn/db_%s/servers/group_%d/%s", sg.ProductName, sg.Id, addr)
	data, _, err := coordConn.Get(coordPath)
	if err != nil {
		return errors.Trace(err)
	}

	var s Server
	err = json.Unmarshal(data, &s)
	if err != nil {
		return errors.Trace(err)
	}
	log.Info(s)
	if s.Type == SERVER_TYPE_MASTER {
		return errors.New("cannot remove master, use promote first")
	}

	err = coordConn.Delete(coordPath, -1)
	if err != nil {
		return errors.Trace(err)
	}

	// update server list
	for i := 0; i < len(sg.Servers); i++ {
		if sg.Servers[i].Addr == s.Addr {
			sg.Servers = append(sg.Servers[:i], sg.Servers[i+1:]...)
			break
		}
	}

	// remove slave won't need proxy confirm
	err = NewAction(coordConn, sg.ProductName, ACTION_TYPE_SERVER_GROUP_CHANGED, sg, "", false)
	return errors.Trace(err)
}
開發者ID:IceiceFire，項目名稱:reborn，代碼行數:34，代碼來源:server_group.go

示例2: GetServer

func GetServer(zkConn zkhelper.Conn, zkPath string) (*Server, error) {
	data, _, err := zkConn.Get(zkPath)
	if err != nil {
		return nil, errors.Trace(err)
	}
	srv := Server{}
	if err := json.Unmarshal(data, &srv); err != nil {
		return nil, errors.Trace(err)
	}
	return &srv, nil
}
開發者ID:jameswei，項目名稱:xcodis，代碼行數:11，代碼來源:server_group.go

示例3: GetActionObject

func GetActionObject(zkConn zkhelper.Conn, productName string, seq int64, act interface{}) error {
	data, _, err := zkConn.Get(path.Join(GetWatchActionPath(productName), "action_"+fmt.Sprintf("%0.10d", seq)))
	if err != nil {
		return errors.Trace(err)
	}

	if err := json.Unmarshal(data, act); err != nil {
		return errors.Trace(err)
	}

	return nil
}
開發者ID:banyue，項目名稱:codis，代碼行數:12，代碼來源:action.go

示例4: ActionGC

func ActionGC(zkConn zkhelper.Conn, productName string, gcType int, keep int) error {
	prefix := GetWatchActionPath(productName)
	exists, err := zkhelper.NodeExists(zkConn, prefix)
	if err != nil {
		return errors.Trace(err)
	}
	if !exists {
		// if action path not exists just return nil
		return nil
	}

	actions, _, err := zkConn.Children(prefix)
	if err != nil {
		return errors.Trace(err)
	}

	var act Action
	currentTs := time.Now().Unix()

	if gcType == GC_TYPE_N {
		sort.Strings(actions)
		if len(actions) <= keep {
			return nil
		}

		for _, action := range actions[:len(actions)-keep] {
			if err := zkhelper.DeleteRecursive(zkConn, path.Join(prefix, action), -1); err != nil {
				return errors.Trace(err)
			}
		}
	} else if gcType == GC_TYPE_SEC {
		secs := keep
		for _, action := range actions {
			b, _, err := zkConn.Get(path.Join(prefix, action))
			if err != nil {
				return errors.Trace(err)
			}
			if err := json.Unmarshal(b, &act); err != nil {
				return errors.Trace(err)
			}
			log.Info(action, act.Ts)
			ts, _ := strconv.ParseInt(act.Ts, 10, 64)

			if currentTs-ts > int64(secs) {
				if err := zkConn.Delete(path.Join(prefix, action), -1); err != nil {
					return errors.Trace(err)
				}
			}
		}
	}

	return nil
}
開發者ID:banyue，項目名稱:codis，代碼行數:53，代碼來源:action.go

示例5: GetLeader

// GetLeaderAddr gets the leader tso address in zookeeper for outer use.
func GetLeader(conn zkhelper.Conn, rootPath string) (string, error) {
	data, _, err := conn.Get(getLeaderPath(rootPath))
	if err != nil {
		return "", errors.Trace(err)
	}

	// if err != checkLeaderExists(conn); err != nil {
	//  return "", errors.Trace(err)
	// }

	return getLeader(data)
}
開發者ID:pingcap，項目名稱:tso，代碼行數:13，代碼來源:util.go

示例6: GetActionObject

func GetActionObject(zkConn zkhelper.Conn, productName string, seq int64, act interface{}, provider string) error {
	data, _, err := zkConn.Get(path.Join(GetWatchActionPath(productName), zkConn.Seq2Str(seq)))
	if err != nil {
		return errors.Trace(err)
	}

	if err := json.Unmarshal(data, act); err != nil {
		return errors.Trace(err)
	}

	return nil
}
開發者ID:ZuoGuocai，項目名稱:codis，代碼行數:12，代碼來源:action.go

示例7: loadTimestamp

func loadTimestamp(conn zkhelper.Conn, rootPath string) (int64, error) {
	data, _, err := conn.Get(getTimestampPath(rootPath))
	if zkhelper.ZkErrorEqual(err, zk.ErrNoNode) {
		return 0, zk.ErrNoNode
	} else if err != nil {
		return 0, errors.Trace(err)
	} else if len(data) != 8 {
		return 0, errors.Errorf("invalid timestamp data, must 8 bytes, but %d", len(data))
	}

	return int64(binary.BigEndian.Uint64(data)), nil
}
開發者ID:pingcap，項目名稱:tso，代碼行數:12，代碼來源:util.go

示例8: GetSlot

func GetSlot(zkConn zkhelper.Conn, productName string, id int) (*Slot, error) {
	zkPath := GetSlotPath(productName, id)
	data, _, err := zkConn.Get(zkPath)
	if err != nil {
		return nil, err
	}
	slot := Slot{}
	if err := json.Unmarshal(data, &slot); err != nil {
		return nil, err
	}
	return &slot, nil
}
開發者ID:banyue，項目名稱:codis，代碼行數:12，代碼來源:slot.go

示例9: GetActionWithSeq

func GetActionWithSeq(zkConn zkhelper.Conn, productName string, seq int64) (*Action, error) {
	var act Action
	data, _, err := zkConn.Get(path.Join(GetWatchActionPath(productName), "action_"+fmt.Sprintf("%0.10d", seq)))
	if err != nil {
		return nil, errors.Trace(err)
	}

	if err := json.Unmarshal(data, &act); err != nil {
		return nil, errors.Trace(err)
	}

	return &act, nil
}
開發者ID:banyue，項目名稱:codis，代碼行數:13，代碼來源:action.go

示例10: GetProxyInfo

func GetProxyInfo(zkConn zkhelper.Conn, productName string, proxyName string) (*ProxyInfo, error) {
	var pi ProxyInfo
	data, _, err := zkConn.Get(path.Join(GetProxyPath(productName), proxyName))
	if err != nil {
		return nil, errors.Trace(err)
	}

	if err := json.Unmarshal(data, &pi); err != nil {
		return nil, errors.Trace(err)
	}

	return &pi, nil
}
開發者ID:ZuoGuocai，項目名稱:codis，代碼行數:13，代碼來源:proxy.go

示例11: GetActionWithSeq

func GetActionWithSeq(zkConn zkhelper.Conn, productName string, seq int64, provider string) (*Action, error) {
	var act Action
	data, _, err := zkConn.Get(path.Join(GetWatchActionPath(productName), zkConn.Seq2Str(seq)))
	if err != nil {
		return nil, errors.Trace(err)
	}

	if err := json.Unmarshal(data, &act); err != nil {
		return nil, errors.Trace(err)
	}

	return &act, nil
}
開發者ID:ZuoGuocai，項目名稱:codis，代碼行數:13，代碼來源:action.go

示例12: GetSlot

func GetSlot(coordConn zkhelper.Conn, productName string, id int) (*Slot, error) {
	coordPath := GetSlotPath(productName, id)
	data, _, err := coordConn.Get(coordPath)
	if err != nil {
		return nil, err
	}

	var slot Slot
	if err := json.Unmarshal(data, &slot); err != nil {
		return nil, err
	}

	return &slot, nil
}
開發者ID:superwood，項目名稱:reborn，代碼行數:14，代碼來源:slot.go

示例13: Slots

func Slots(coordConn zkhelper.Conn, productName string) ([]*Slot, error) {
	coordPath := GetSlotBasePath(productName)
	children, _, err := coordConn.Children(coordPath)
	if err != nil {
		return nil, errors.Trace(err)
	}

	var slots []*Slot
	for _, p := range children {
		data, _, err := coordConn.Get(path.Join(coordPath, p))
		if err != nil {
			return nil, errors.Trace(err)
		}
		slot := &Slot{}
		if err := json.Unmarshal(data, &slot); err != nil {
			return nil, errors.Trace(err)
		}
		slots = append(slots, slot)
	}

	return slots, nil
}
開發者ID:superwood，項目名稱:reborn，代碼行數:22，代碼來源:slot.go

示例14: createDashboardNode

func createDashboardNode(conn zkhelper.Conn) error {
	// make sure root dir is exists
	rootDir := fmt.Sprintf("/zk/reborn/db_%s", globalEnv.ProductName())
	zkhelper.CreateRecursive(conn, rootDir, "", 0, zkhelper.DefaultDirACLs())

	coordPath := fmt.Sprintf("%s/dashboard", rootDir)
	// make sure we're the only one dashboard
	timeoutCh := time.After(60 * time.Second)

	for {
		if exists, _, ch, _ := conn.ExistsW(coordPath); exists {
			data, _, _ := conn.Get(coordPath)

			if checkDashboardAlive(data) {
				return errors.Errorf("dashboard already exists: %s", string(data))
			} else {
				log.Warningf("dashboard %s exists in zk, wait it removed", data)

				select {
				case <-ch:
				case <-timeoutCh:
					return errors.Errorf("wait existed dashboard %s removed timeout", string(data))
				}
			}
		} else {
			break
		}
	}

	content := fmt.Sprintf(`{"addr": "%v", "pid": %v}`, globalEnv.DashboardAddr(), os.Getpid())
	pathCreated, err := conn.Create(coordPath, []byte(content),
		zk.FlagEphemeral, zkhelper.DefaultFileACLs())

	log.Infof("dashboard node %s created, data %s, err %v", pathCreated, string(content), err)

	return errors.Trace(err)
}
開發者ID:vebin，項目名稱:reborn，代碼行數:37，代碼來源:dashboard.go


注：本文中的github.com/ngaut/zkhelper.Conn.Get方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。