com.alibaba.nacos.config.server.service

Class LongPollingService

java.lang.Object

com.alibaba.nacos.config.server.utils.event.EventDispatcher.AbstractEventListener

com.alibaba.nacos.config.server.service.LongPollingService

@Service
public class LongPollingService
extends EventDispatcher.AbstractEventListener

长轮询服务。负责处理

Author:

Nacos

Field Summary

Fields

Modifier and Type	Field and Description
static String	LONG_POLLING_HEADER
static String	LONG_POLLING_NO_HANG_UP_HEADER

Constructor Summary

Constructors

Constructor and Description
LongPollingService()

Method Summary

Modifier and Type	Method and Description
void	addLongPollingClient(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse rsp, Map<String,String> clientMd5Map, int probeRequestSize)
Map<String,Set<String>>	collectApplicationSubscribeConfigInfos()
Map<String,String>	getClientSubConfigInfo(String clientIp)
SampleResult	getCollectSubscribleInfo(String dataId, String group, String tenant)
SampleResult	getCollectSubscribleInfoByIp(String ip)
Map<String,Long>	getRetainIps()
SampleResult	getSubscribleInfo(String dataId, String group, String tenant)
SampleResult	getSubscribleInfoByIp(String clientIp)
List<Class<? extends EventDispatcher.Event>>	interest() 感兴趣的事件列表
boolean	isClientLongPolling(String clientIp)
static boolean	isSupportLongPolling(javax.servlet.http.HttpServletRequest req)
SampleResult	mergeSampleResult(List<SampleResult> sampleResults) 聚合采样结果中的采样ip和监听配置的信息；合并策略用后面的覆盖前面的是没有问题的
void	onEvent(EventDispatcher.Event event) 处理事件
void	setRetainIps(Map<String,Long> retainIps)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LONG_POLLING_HEADER

public static final String LONG_POLLING_HEADER

See Also:

Constant Field Values

LONG_POLLING_NO_HANG_UP_HEADER

public static final String LONG_POLLING_NO_HANG_UP_HEADER

See Also:

Constant Field Values

Constructor Detail

LongPollingService

public LongPollingService()

Method Detail

isClientLongPolling

public boolean isClientLongPolling(String clientIp)

getClientSubConfigInfo

public Map<String,String> getClientSubConfigInfo(String clientIp)

getSubscribleInfo

public SampleResult getSubscribleInfo(String dataId,
                                      String group,
                                      String tenant)

getSubscribleInfoByIp

public SampleResult getSubscribleInfoByIp(String clientIp)

mergeSampleResult

public SampleResult mergeSampleResult(List<SampleResult> sampleResults)

聚合采样结果中的采样ip和监听配置的信息；合并策略用后面的覆盖前面的是没有问题的

Parameters:

sampleResults - sample Results

Returns:

Results

collectApplicationSubscribeConfigInfos

public Map<String,Set<String>> collectApplicationSubscribeConfigInfos()

getCollectSubscribleInfo

public SampleResult getCollectSubscribleInfo(String dataId,
                                             String group,
                                             String tenant)

getCollectSubscribleInfoByIp

public SampleResult getCollectSubscribleInfoByIp(String ip)

addLongPollingClient

public void addLongPollingClient(javax.servlet.http.HttpServletRequest req,
                                 javax.servlet.http.HttpServletResponse rsp,
                                 Map<String,String> clientMd5Map,
                                 int probeRequestSize)

interest

public List<Class<? extends EventDispatcher.Event>> interest()

Description copied from class: EventDispatcher.AbstractEventListener

感兴趣的事件列表

Specified by:

interest in class EventDispatcher.AbstractEventListener

Returns:

event list

onEvent

public void onEvent(EventDispatcher.Event event)

Description copied from class: EventDispatcher.AbstractEventListener

处理事件

Specified by:

onEvent in class EventDispatcher.AbstractEventListener

Parameters:

event - event

isSupportLongPolling

public static boolean isSupportLongPolling(javax.servlet.http.HttpServletRequest req)

getRetainIps

public Map<String,Long> getRetainIps()

setRetainIps

public void setRetainIps(Map<String,Long> retainIps)