Package org.apache.bookkeeper.proto

Class BookieRequestProcessor

java.lang.Object

org.apache.bookkeeper.proto.BookieRequestProcessor

All Implemented Interfaces:

java.lang.AutoCloseable, RequestProcessor

public class BookieRequestProcessor
extends java.lang.Object
implements RequestProcessor

An implementation of the RequestProcessor interface.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) java.util.concurrent.Semaphore	addsSemaphore
(package private) io.netty.channel.group.ChannelGroup	allChannels
(package private) java.util.Optional<com.google.common.cache.Cache<io.netty.channel.Channel,java.lang.Boolean>>	blacklistedChannels
(package private) Bookie	bookie	This is the Bookie instance that is used to handle all read and write requests.
(package private) java.util.function.Consumer<io.netty.channel.Channel>	onResponseTimeout
(package private) java.util.concurrent.Semaphore	readsSemaphore

Constructor Summary

Constructors

Constructor	Description
BookieRequestProcessor(ServerConfiguration serverCfg, Bookie bookie, StatsLogger statsLogger, SecurityHandlerFactory shFactory, io.netty.buffer.ByteBufAllocator allocator, io.netty.channel.group.ChannelGroup allChannels)

Method Summary

Modifier and Type	Method	Description
void	blacklistChannel(io.netty.channel.Channel channel)
void	close()	Close the request processor.
(package private) java.util.concurrent.Semaphore	getAddsSemaphore()
(package private) io.netty.channel.group.ChannelGroup	getAllChannels()
(package private) io.netty.buffer.ByteBufAllocator	getAllocator()
(package private) BKStats	getBkStats()
(package private) java.util.Optional<com.google.common.cache.Cache<io.netty.channel.Channel,java.lang.Boolean>>	getBlacklistedChannels()
(package private) Bookie	getBookie()	This is the Bookie instance that is used to handle all read and write requests.
(package private) OrderedExecutor	getHighPriorityThreadPool()	The threadpool used to execute high priority requests.
(package private) OrderedExecutor	getLongPollThreadPool()	The threadpool used to execute all long poll requests issued to this server after they are done waiting.
(package private) java.util.function.Consumer<io.netty.channel.Channel>	getOnResponseTimeout()
(package private) java.util.concurrent.Semaphore	getReadsSemaphore()
(package private) OrderedExecutor	getReadThreadPool()	The threadpool used to execute all read entry requests issued to this server.
(package private) RequestStats	getRequestStats()
(package private) io.netty.util.HashedWheelTimer	getRequestTimer()	The Timer used to time out requests for long polling.
(package private) ServerConfiguration	getServerCfg()	The server configuration.
(package private) SecurityHandlerFactory	getShFactory()	TLS management.
long	getWaitTimeoutOnBackpressureMillis()
(package private) OrderedExecutor	getWriteThreadPool()	The threadpool used to execute all add entry requests issued to this server.
void	handleNonWritableChannel(io.netty.channel.Channel channel)
void	invalidateBlacklist(io.netty.channel.Channel channel)
boolean	isBlacklisted(io.netty.channel.Channel channel)
(package private) boolean	isPreserveMdcForTaskExecution()
(package private) boolean	isStatsEnabled()
(package private) boolean	isThrottleReadResponses()
(package private) int	maxAddsInProgressCount()
(package private) int	maxReadsInProgressCount()
protected void	onAddRequestFinish()
protected void	onAddRequestStart(io.netty.channel.Channel channel)
protected void	onReadRequestFinish()
protected void	onReadRequestStart(io.netty.channel.Channel channel)
void	processRequest(java.lang.Object msg, BookieRequestHandler requestHandler)	Process request.

Methods inherited from class java.lang.Object

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

Field Detail

bookie

final Bookie bookie

This is the Bookie instance that is used to handle all read and write requests.

addsSemaphore

final java.util.concurrent.Semaphore addsSemaphore

readsSemaphore

final java.util.concurrent.Semaphore readsSemaphore

allChannels

final io.netty.channel.group.ChannelGroup allChannels

blacklistedChannels

final java.util.Optional<com.google.common.cache.Cache<io.netty.channel.Channel,java.lang.Boolean>> blacklistedChannels

onResponseTimeout

final java.util.function.Consumer<io.netty.channel.Channel> onResponseTimeout

Constructor Detail

BookieRequestProcessor

public BookieRequestProcessor(ServerConfiguration serverCfg,
                              Bookie bookie,
                              StatsLogger statsLogger,
                              SecurityHandlerFactory shFactory,
                              io.netty.buffer.ByteBufAllocator allocator,
                              io.netty.channel.group.ChannelGroup allChannels)
                       throws SecurityException

Throws:

SecurityException

Method Detail

onAddRequestStart

protected void onAddRequestStart(io.netty.channel.Channel channel)

onAddRequestFinish

protected void onAddRequestFinish()

onReadRequestStart

protected void onReadRequestStart(io.netty.channel.Channel channel)

onReadRequestFinish

protected void onReadRequestFinish()

maxAddsInProgressCount

int maxAddsInProgressCount()

maxReadsInProgressCount

int maxReadsInProgressCount()

close

public void close()

Description copied from interface: RequestProcessor

Close the request processor.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface RequestProcessor

processRequest

public void processRequest(java.lang.Object msg,
                           BookieRequestHandler requestHandler)

Description copied from interface: RequestProcessor

Process request.

Specified by:

processRequest in interface RequestProcessor

Parameters:

msg - request to process

requestHandler - channel received the given request r

getWaitTimeoutOnBackpressureMillis

public long getWaitTimeoutOnBackpressureMillis()

blacklistChannel

public void blacklistChannel(io.netty.channel.Channel channel)

invalidateBlacklist

public void invalidateBlacklist(io.netty.channel.Channel channel)

isBlacklisted

public boolean isBlacklisted(io.netty.channel.Channel channel)

handleNonWritableChannel

public void handleNonWritableChannel(io.netty.channel.Channel channel)

getServerCfg

ServerConfiguration getServerCfg()

The server configuration. We use this for getting the number of add and read worker threads.

isPreserveMdcForTaskExecution

boolean isPreserveMdcForTaskExecution()

getBookie

Bookie getBookie()

This is the Bookie instance that is used to handle all read and write requests.

getReadThreadPool

OrderedExecutor getReadThreadPool()

The threadpool used to execute all read entry requests issued to this server.

getWriteThreadPool

OrderedExecutor getWriteThreadPool()

The threadpool used to execute all add entry requests issued to this server.

getShFactory

SecurityHandlerFactory getShFactory()

TLS management.

getLongPollThreadPool

OrderedExecutor getLongPollThreadPool()

The threadpool used to execute all long poll requests issued to this server after they are done waiting.

getHighPriorityThreadPool

OrderedExecutor getHighPriorityThreadPool()

The threadpool used to execute high priority requests.

getRequestTimer

io.netty.util.HashedWheelTimer getRequestTimer()

The Timer used to time out requests for long polling.

getBkStats

BKStats getBkStats()

isStatsEnabled

boolean isStatsEnabled()

getRequestStats

RequestStats getRequestStats()

getAddsSemaphore

java.util.concurrent.Semaphore getAddsSemaphore()

getReadsSemaphore

java.util.concurrent.Semaphore getReadsSemaphore()

getAllChannels

io.netty.channel.group.ChannelGroup getAllChannels()

getBlacklistedChannels

java.util.Optional<com.google.common.cache.Cache<io.netty.channel.Channel,java.lang.Boolean>> getBlacklistedChannels()

getOnResponseTimeout

java.util.function.Consumer<io.netty.channel.Channel> getOnResponseTimeout()

getAllocator

io.netty.buffer.ByteBufAllocator getAllocator()

isThrottleReadResponses

boolean isThrottleReadResponses()