io.undertow.server.handlers

Class StuckThreadDetectionHandler

java.lang.Object

io.undertow.server.handlers.StuckThreadDetectionHandler

All Implemented Interfaces:

HttpHandler

public class StuckThreadDetectionHandler
extends Object
implements HttpHandler

This valve allows to detect requests that take a long time to process, which might indicate that the thread that is processing it is stuck. Based on code proposed by TomLu in Bugzilla entry #50306

Author:

slaurent

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	StuckThreadDetectionHandler.Builder
static class	StuckThreadDetectionHandler.Wrapper

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_THRESHOLD

Constructor Summary

Constructors

Constructor and Description
StuckThreadDetectionHandler(HttpHandler next)
StuckThreadDetectionHandler(int threshold, HttpHandler next)

Method Summary

Modifier and Type	Method and Description
long[]	getStuckThreadIds()
int	getThreshold()
void	handleRequest(HttpServerExchange exchange) Handle the request.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_THRESHOLD

public static final int DEFAULT_THRESHOLD

See Also:

Constant Field Values

Constructor Detail

StuckThreadDetectionHandler

public StuckThreadDetectionHandler(HttpHandler next)

StuckThreadDetectionHandler

public StuckThreadDetectionHandler(int threshold,
                                   HttpHandler next)

Method Detail

getThreshold

public int getThreshold()

Returns:

The current threshold in seconds

handleRequest

public void handleRequest(HttpServerExchange exchange)
                   throws Exception

Handle the request.

Specified by:

handleRequest in interface HttpHandler

Parameters:

exchange - the HTTP request/response exchange

Throws:

Exception

getStuckThreadIds

public long[] getStuckThreadIds()