org.apache.flink.runtime.rest.handler.legacy

Class TaskManagerLogHandler

java.lang.Object

org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerAdapter

org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter

org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler<org.apache.flink.shaded.netty4.io.netty.handler.codec.http.router.Routed>

org.apache.flink.runtime.rest.handler.RedirectHandler<JobManagerGateway>

org.apache.flink.runtime.rest.handler.legacy.TaskManagerLogHandler

All Implemented Interfaces:

WebHandler, org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler, org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandler

@ChannelHandler.Sharable
public class TaskManagerLogHandler
extends RedirectHandler<JobManagerGateway>
implements WebHandler

Request handler that returns the TaskManager log/out files.

This code is based on the "HttpStaticFileServerHandler" from the Netty project's HTTP server example.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TaskManagerLogHandler.FileMode Used to control whether this handler serves the .log or .out file.

Nested classes/interfaces inherited from interface org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler

org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler.Sharable

Field Summary

Fields inherited from class org.apache.flink.runtime.rest.handler.RedirectHandler

leaderRetriever, localAddressFuture, logger, responseHeaders, timeout

Constructor Summary

Constructors

Constructor and Description
TaskManagerLogHandler(GatewayRetriever<JobManagerGateway> retriever, Executor executor, CompletableFuture<String> localJobManagerAddressPromise, org.apache.flink.api.common.time.Time timeout, TaskManagerLogHandler.FileMode fileMode, org.apache.flink.configuration.Configuration config)

Method Summary

Modifier and Type	Method and Description
String[]	getPaths() Returns an array of REST URL's under which this handler can be registered.
protected void	respondAsLeader(org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext ctx, org.apache.flink.shaded.netty4.io.netty.handler.codec.http.router.Routed routed, JobManagerGateway jobManagerGateway) Response when running with leading JobManager.

Methods inherited from class org.apache.flink.runtime.rest.handler.RedirectHandler

channelRead0

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler

acceptInboundMessage, channelRead

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerAdapter

handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Detail

TaskManagerLogHandler

public TaskManagerLogHandler(GatewayRetriever<JobManagerGateway> retriever,
                             Executor executor,
                             CompletableFuture<String> localJobManagerAddressPromise,
                             org.apache.flink.api.common.time.Time timeout,
                             TaskManagerLogHandler.FileMode fileMode,
                             org.apache.flink.configuration.Configuration config)

Method Detail

getPaths

public String[] getPaths()

Description copied from interface: WebHandler

Returns an array of REST URL's under which this handler can be registered.

Specified by:

getPaths in interface WebHandler

Returns:

array containing REST URL's under which this handler can be registered.

respondAsLeader

protected void respondAsLeader(org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext ctx,
                               org.apache.flink.shaded.netty4.io.netty.handler.codec.http.router.Routed routed,
                               JobManagerGateway jobManagerGateway)

Response when running with leading JobManager.

Specified by:

respondAsLeader in class RedirectHandler<JobManagerGateway>