Package io.undertow.server.protocol.http

Class AlpnOpenListener

java.lang.Object

io.undertow.server.protocol.http.AlpnOpenListener

All Implemented Interfaces:

OpenListener, EventListener, org.xnio.ChannelListener<org.xnio.StreamConnection>

public class AlpnOpenListener
extends Object
implements org.xnio.ChannelListener<org.xnio.StreamConnection>, OpenListener

Open listener adaptor for ALPN connections

Not a proper open listener as such, but more a mechanism for selecting between them.

Author:

Stuart Douglas

Nested Class Summary

Nested classes/interfaces inherited from interface org.xnio.ChannelListener

org.xnio.ChannelListener.Setter<T extends Channel>, org.xnio.ChannelListener.SimpleSetter<T extends Channel>

Field Summary

Fields

Modifier and Type	Field	Description
static final String	IBM_REQUIRED_CIPHER	Names of ciphers in IBM JVM are prefixed with `SSL` instead of `TLS`, see e.g.: https://www.ibm.com/support/knowledgecenter/SSFKSJ_9.0.0/com.ibm.mq.dev.doc/q113210_.htm.
static final String	REQUIRED_CIPHER	HTTP/2 required cipher.

Constructor Summary

Constructors

Constructor	Description
AlpnOpenListener(ByteBufferPool bufferPool)
AlpnOpenListener(ByteBufferPool bufferPool, org.xnio.OptionMap undertowOptions)
AlpnOpenListener(ByteBufferPool bufferPool, org.xnio.OptionMap undertowOptions, DelegateOpenListener httpListener)
AlpnOpenListener(ByteBufferPool bufferPool, org.xnio.OptionMap undertowOptions, String fallbackProtocol, DelegateOpenListener fallbackListener)
AlpnOpenListener(org.xnio.Pool<ByteBuffer> bufferPool, org.xnio.OptionMap undertowOptions)
AlpnOpenListener(org.xnio.Pool<ByteBuffer> bufferPool, org.xnio.OptionMap undertowOptions, DelegateOpenListener httpListener)
AlpnOpenListener(org.xnio.Pool<ByteBuffer> bufferPool, org.xnio.OptionMap undertowOptions, String fallbackProtocol, DelegateOpenListener fallbackListener)

Method Summary

Modifier and Type	Method	Description
AlpnOpenListener	addProtocol(String name, DelegateOpenListener listener, int weight)
void	closeConnections()	Close all active connections that were handled by this listener
static boolean	engineSupportsHTTP2(SSLEngine engine)
ByteBufferPool	getBufferPool()
ConnectorStatistics	getConnectorStatistics()
HttpHandler	getRootHandler()
org.xnio.OptionMap	getUndertowOptions()
void	handleEvent(org.xnio.StreamConnection channel)
void	setRootHandler(HttpHandler rootHandler)	Sets the root handler
void	setUndertowOptions(org.xnio.OptionMap undertowOptions)

Methods inherited from class java.lang.Object

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

Field Details

REQUIRED_CIPHER

public static final String REQUIRED_CIPHER

HTTP/2 required cipher. Not strictly part of ALPN but it can live here for now till we have a better solution.

See Also:

• Constant Field Values

IBM_REQUIRED_CIPHER

public static final String IBM_REQUIRED_CIPHER

Names of ciphers in IBM JVM are prefixed with `SSL` instead of `TLS`, see e.g.: https://www.ibm.com/support/knowledgecenter/SSFKSJ_9.0.0/com.ibm.mq.dev.doc/q113210_.htm. Thus let's have IBM alternative for the REQUIRED_CIPHER variable too.

See Also:

• Constant Field Values

Constructor Details

AlpnOpenListener

public AlpnOpenListener(org.xnio.Pool<ByteBuffer> bufferPool,
 org.xnio.OptionMap undertowOptions,
 DelegateOpenListener httpListener)

AlpnOpenListener

public AlpnOpenListener(org.xnio.Pool<ByteBuffer> bufferPool,
 org.xnio.OptionMap undertowOptions)

AlpnOpenListener

public AlpnOpenListener(org.xnio.Pool<ByteBuffer> bufferPool,
 org.xnio.OptionMap undertowOptions,
 String fallbackProtocol,
 DelegateOpenListener fallbackListener)

AlpnOpenListener

public AlpnOpenListener(ByteBufferPool bufferPool,
 org.xnio.OptionMap undertowOptions,
 DelegateOpenListener httpListener)

AlpnOpenListener

public AlpnOpenListener(ByteBufferPool bufferPool)

AlpnOpenListener

public AlpnOpenListener(ByteBufferPool bufferPool,
 org.xnio.OptionMap undertowOptions)

AlpnOpenListener

public AlpnOpenListener(ByteBufferPool bufferPool,
 org.xnio.OptionMap undertowOptions,
 String fallbackProtocol,
 DelegateOpenListener fallbackListener)

Method Details

getRootHandler

public HttpHandler getRootHandler()

Specified by:

getRootHandler in interface OpenListener

Returns:

The first handler that will be executed by requests on the connector

setRootHandler

public void setRootHandler(HttpHandler rootHandler)

Description copied from interface: OpenListener

Sets the root handler

Specified by:

setRootHandler in interface OpenListener

Parameters:

rootHandler - The new root handler

getUndertowOptions

public org.xnio.OptionMap getUndertowOptions()

Specified by:

getUndertowOptions in interface OpenListener

Returns:

The connector options

setUndertowOptions

public void setUndertowOptions(org.xnio.OptionMap undertowOptions)

Specified by:

setUndertowOptions in interface OpenListener

Parameters:

undertowOptions - The connector options

getBufferPool

public ByteBufferPool getBufferPool()

Specified by:

getBufferPool in interface OpenListener

Returns:

The buffer pool in use by this connector

getConnectorStatistics

public ConnectorStatistics getConnectorStatistics()

Specified by:

getConnectorStatistics in interface OpenListener

Returns:

The connector statistics, or null if statistics gathering is disabled.

closeConnections

public void closeConnections()

Description copied from interface: OpenListener

Close all active connections that were handled by this listener

Specified by:

closeConnections in interface OpenListener

addProtocol

public AlpnOpenListener addProtocol(String name,
 DelegateOpenListener listener,
 int weight)

handleEvent

public void handleEvent(org.xnio.StreamConnection channel)

Specified by:

handleEvent in interface org.xnio.ChannelListener<org.xnio.StreamConnection>

engineSupportsHTTP2

public static boolean engineSupportsHTTP2(SSLEngine engine)