Golang zkhelper.Conn类代码示例

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本文整理汇总了Golang中github.com/wandoulabs/zkhelper.Conn类的典型用法代码示例。如果您正苦于以下问题：Golang Conn类的具体用法？Golang Conn怎么用？Golang Conn使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Conn类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: RemoveServer

func (self *ServerGroup) RemoveServer(zkConn zkhelper.Conn, addr string) error {
	zkPath := fmt.Sprintf("/zk/codis/db_%s/servers/group_%d/%s", self.ProductName, self.Id, addr)
	data, _, err := zkConn.Get(zkPath)
	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.Errorf("cannot remove master, use promote first")
	}

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

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

	// remove slave won't need proxy confirm
	err = NewAction(zkConn, self.ProductName, ACTION_TYPE_SERVER_GROUP_CHANGED, self, "", false)
	return errors.Trace(err)
}

开发者ID:cougar731，项目名称:codis，代码行数:34，代码来源:server_group.go

示例2: GetActionSeqList

func GetActionSeqList(zkConn zkhelper.Conn, productName string) ([]int, error) {
	nodes, _, err := zkConn.Children(GetWatchActionPath(productName))
	if err != nil {
		return nil, errors.Trace(err)
	}
	return ExtraSeqList(nodes)
}

开发者ID:cyflhn，项目名称:codis，代码行数:7，代码来源:action.go

示例3: ServerGroups

func ServerGroups(zkConn zkhelper.Conn, productName string) ([]*ServerGroup, error) {
	var ret []*ServerGroup
	root := fmt.Sprintf("/zk/codis/db_%s/servers", productName)
	groups, _, err := zkConn.Children(root)
	if err != nil {
		return nil, errors.Trace(err)
	}

	// Buggy :X
	//zkhelper.ChildrenRecursive(*zkConn, root)

	for _, group := range groups {
		// parse group_1 => 1
		groupId, err := strconv.Atoi(strings.Split(group, "_")[1])
		if err != nil {
			return nil, errors.Trace(err)
		}
		g, err := GetGroup(zkConn, productName, groupId)
		if err != nil {
			return nil, errors.Trace(err)
		}
		ret = append(ret, g)
	}
	return ret, nil
}

开发者ID:cougar731，项目名称:codis，代码行数:25，代码来源:server_group.go

示例4: WaitForReceiverWithTimeout

func WaitForReceiverWithTimeout(zkConn zkhelper.Conn, productName string, actionZkPath string, proxies []ProxyInfo, timeoutInMs int) error {
	if len(proxies) == 0 {
		return nil
	}

	times := 0
	proxyIds := make(map[string]struct{})
	var offlineProxyIds []string
	for _, p := range proxies {
		proxyIds[p.Id] = struct{}{}
	}

	checkTimes := timeoutInMs / 500
	// check every 500ms
	for times < checkTimes {
		if times >= 6 && (times*500)%1000 == 0 {
			log.Warnf("abnormal waiting time for receivers: %s %v", actionZkPath, offlineProxyIds)
		}
		// get confirm ids
		nodes, _, err := zkConn.Children(actionZkPath)
		if err != nil {
			return errors.Trace(err)
		}
		confirmIds := make(map[string]struct{})
		for _, node := range nodes {
			id := path.Base(node)
			confirmIds[id] = struct{}{}
		}
		if len(confirmIds) != 0 {
			match := true
			// check if all proxy have responsed
			var notMatchList []string
			for id, _ := range proxyIds {
				// if proxy id not in confirm ids, means someone didn't response
				if _, ok := confirmIds[id]; !ok {
					match = false
					notMatchList = append(notMatchList, id)
				}
			}
			if match {
				return nil
			}
			offlineProxyIds = notMatchList
		}
		times += 1
		time.Sleep(500 * time.Millisecond)
	}
	if len(offlineProxyIds) > 0 {
		log.Errorf("proxies didn't responed: %v", offlineProxyIds)
	}

	// set offline proxies
	for _, id := range offlineProxyIds {
		log.Errorf("mark proxy %s to PROXY_STATE_MARK_OFFLINE", id)
		if err := SetProxyStatus(zkConn, productName, id, PROXY_STATE_MARK_OFFLINE); err != nil {
			return errors.Trace(err)
		}
	}
	return errors.Trace(ErrReceiverTimeout)
}

开发者ID:cookiebus，项目名称:codis，代码行数:60，代码来源:action.go

示例5: waitForProxyMarkOffline

func waitForProxyMarkOffline(zkConn zkhelper.Conn, proxyName string) {
	_, _, c, _ := zkConn.GetW(path.Join(GetProxyPath(productName), proxyName))
	<-c
	info, _ := GetProxyInfo(zkConn, productName, proxyName)
	if info.State == PROXY_STATE_MARK_OFFLINE {
		SetProxyStatus(zkConn, productName, proxyName, PROXY_STATE_OFFLINE)
	}
}

开发者ID:YongMan，项目名称:codis，代码行数:8，代码来源:action_test.go

示例6: GroupExists

func GroupExists(zkConn zkhelper.Conn, productName string, groupId int) (bool, error) {
	zkPath := fmt.Sprintf("/zk/codis/db_%s/servers/group_%d", productName, groupId)
	exists, _, err := zkConn.Exists(zkPath)
	if err != nil {
		return false, errors.Trace(err)
	}
	return exists, nil
}

开发者ID:cougar731，项目名称:codis，代码行数:8，代码来源:server_group.go

示例7: CreateProxyInfo

func CreateProxyInfo(zkConn zkhelper.Conn, productName string, pi *ProxyInfo) (string, error) {
	data, err := json.Marshal(pi)
	if err != nil {
		return "", errors.Trace(err)
	}
	dir := GetProxyPath(productName)
	zkhelper.CreateRecursive(zkConn, dir, "", 0, zkhelper.DefaultDirACLs())
	return zkConn.Create(path.Join(dir, pi.Id), data, zk.FlagEphemeral, zkhelper.DefaultFileACLs())
}

开发者ID:cougar731，项目名称:codis，代码行数:9，代码来源:proxy.go

示例8: doResponseForTest

func doResponseForTest(conn zkhelper.Conn, seq string, pi *ProxyInfo) error {
	actionPath := GetActionResponsePath(productName) + "/" + seq
	data, err := json.Marshal(pi)
	if err != nil {
		return errors.Trace(err)
	}

	_, err = conn.Create(path.Join(actionPath, pi.Id), data,
		0, zkhelper.DefaultFileACLs())
	return err
}

开发者ID:YongMan，项目名称:codis，代码行数:11，代码来源:action_test.go

示例9: 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
}

开发者ID:cougar731，项目名称:codis，代码行数:11，代码来源:server_group.go

示例10: 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
}

开发者ID:cyflhn，项目名称:codis，代码行数:12，代码来源:action.go

示例11: CreateOrUpdate

func CreateOrUpdate(zconn zkhelper.Conn, zkPath, value string, flags int, aclv []topo.ACL, recursive bool) (pathCreated string, err error) {
	if recursive {
		pathCreated, err = CreateRecursive(zconn, zkPath, value, flags, aclv)
	} else {
		pathCreated, err = zconn.Create(zkPath, []byte(value), int32(flags), aclv)
	}
	if err != nil && zkhelper.ZkErrorEqual(err, topo.ErrNodeExists) {
		pathCreated = ""
		_, err = zconn.Set(zkPath, []byte(value), -1)
	}
	return
}

开发者ID:wfxiang08，项目名称:zero_rpc_proxy，代码行数:12，代码来源:topology.go

示例12: 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
}

开发者ID:cyflhn，项目名称:codis，代码行数:12，代码来源:action.go

示例13: 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, errors.Trace(err)
	}

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

开发者ID:cookiebus，项目名称:codis，代码行数:13，代码来源:slot.go

示例14: 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
}

开发者ID:cougar731，项目名称:codis，代码行数:13，代码来源:proxy.go

示例15: GetFenceProxyMap

func GetFenceProxyMap(zkConn zkhelper.Conn, productName string) (map[string]bool, error) {
	children, _, err := zkConn.Children(GetProxyFencePath(productName))
	if err != nil {
		if err.Error() == zk.ErrNoNode.Error() {
			return make(map[string]bool), nil
		} else {
			return nil, err
		}
	}
	m := make(map[string]bool, len(children))
	for _, fenceNode := range children {
		m[fenceNode] = true
	}
	return m, nil
}

开发者ID:cougar731，项目名称:codis，代码行数:15，代码来源:proxy.go

示例16: GetServers

func (self *ServerGroup) GetServers(zkConn zkhelper.Conn) ([]*Server, error) {
	var ret []*Server
	root := fmt.Sprintf("/zk/codis/db_%s/servers/group_%d", self.ProductName, self.Id)
	nodes, _, err := zkConn.Children(root)
	if err != nil {
		return nil, errors.Trace(err)
	}
	for _, node := range nodes {
		nodePath := root + "/" + node
		s, err := GetServer(zkConn, nodePath)
		if err != nil {
			return nil, errors.Trace(err)
		}
		ret = append(ret, s)
	}
	return ret, nil
}

开发者ID:cougar731，项目名称:codis，代码行数:17，代码来源:server_group.go

示例17: ForceRemoveLock

func ForceRemoveLock(zkConn zkhelper.Conn, productName string) error {
	lockPath := fmt.Sprintf("/zk/codis/db_%s/LOCK", productName)
	children, _, err := zkConn.Children(lockPath)
	if err != nil && !zkhelper.ZkErrorEqual(err, zk.ErrNoNode) {
		return errors.Trace(err)
	}

	for _, c := range children {
		fullPath := path.Join(lockPath, c)
		log.Info("deleting..", fullPath)
		err := zkConn.Delete(fullPath, 0)
		if err != nil {
			return errors.Trace(err)
		}
	}

	return nil
}

开发者ID:cyflhn，项目名称:codis，代码行数:18，代码来源:action.go

示例18: WaitForReceiverWithTimeout

func WaitForReceiverWithTimeout(zkConn zkhelper.Conn, productName string, actionZkPath string, proxies []ProxyInfo, timeoutInMs int) error {
	if len(proxies) == 0 {
		return nil
	}

	times := 0
	proxyIds := make(map[string]bool)
	for _, p := range proxies {
		proxyIds[p.Id] = true
	}
	// check every 500ms
	for times < timeoutInMs/500 {
		if times >= 6 && (times*500)%1000 == 0 {
			log.Warnf("abnormal waiting time for receivers: %s %v", actionZkPath, proxyIds)
		}
		// get confirm ids
		nodes, _, err := zkConn.Children(actionZkPath)
		if err != nil {
			return errors.Trace(err)
		}
		for _, node := range nodes {
			id := path.Base(node)
			delete(proxyIds, id)
		}
		if len(proxyIds) == 0 {
			return nil
		}
		times++
		time.Sleep(500 * time.Millisecond)
	}
	log.Warn("proxies didn't responed: ", proxyIds)
	// set offline proxies
	/*
		for id, _ := range proxyIds {
			log.Errorf("mark proxy %s to PROXY_STATE_MARK_OFFLINE", id)
			if err := SetProxyStatus(zkConn, productName, id, PROXY_STATE_MARK_OFFLINE); err != nil {
				return errors.Trace(err)
			}
		}
	*/
	return ErrReceiverTimeout
}

开发者ID:cyflhn，项目名称:codis，代码行数:42，代码来源:action.go

示例19: ProxyList

func ProxyList(zkConn zkhelper.Conn, productName string, filter func(*ProxyInfo) bool) ([]ProxyInfo, error) {
	ret := make([]ProxyInfo, 0)
	root := GetProxyPath(productName)
	proxies, _, err := zkConn.Children(root)
	if err != nil && !zkhelper.ZkErrorEqual(err, zk.ErrNoNode) {
		return nil, errors.Trace(err)
	}

	for _, proxyName := range proxies {
		pi, err := GetProxyInfo(zkConn, productName, proxyName)
		if err != nil {
			return nil, errors.Trace(err)
		}
		if filter == nil || filter(pi) == true {
			ret = append(ret, *pi)
		}
	}

	return ret, nil
}

开发者ID:cougar731，项目名称:codis，代码行数:20，代码来源:proxy.go

示例20: Slots

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

	var slots []*Slot
	for _, p := range children {
		data, _, err := zkConn.Get(path.Join(zkPath, 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
}

开发者ID:cookiebus，项目名称:codis，代码行数:21，代码来源:slot.go

注：本文中的github.com/wandoulabs/zkhelper.Conn类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。