Http2ServerConnection (Undertow 2.1.0.Final API)

java.lang.Object
- io.undertow.util.AbstractAttachable
- - io.undertow.server.ServerConnection
  - - io.undertow.server.protocol.http2.Http2ServerConnection

All Implemented Interfaces:

Attachable, Closeable, AutoCloseable, Channel, InterruptibleChannel, org.xnio.channels.BoundChannel, org.xnio.channels.CloseableChannel, org.xnio.channels.Configurable, org.xnio.channels.ConnectedChannel
```
public class Http2ServerConnection
extends ServerConnection
```
A server connection. There is one connection per request TODO: how are we going to deal with attachments?

Author:

Stuart Douglas

Nested Class Summary
- Nested classes/interfaces inherited from class io.undertow.server.ServerConnection
  ServerConnection.CloseListener

Field Summary
- Fields inherited from interface org.xnio.channels.Configurable
  EMPTY

Constructor Summary

Constructors
Constructor and Description
`Http2ServerConnection(Http2Channel channel, Http2DataStreamSinkChannel sinkChannel, org.xnio.OptionMap undertowOptions, int bufferSize, HttpHandler rootHandler)` Channel that is used when the request is already half closed
`Http2ServerConnection(Http2Channel channel, Http2StreamSourceChannel requestChannel, org.xnio.OptionMap undertowOptions, int bufferSize, HttpHandler rootHandler)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`addCloseListener(ServerConnection.CloseListener listener)` Adds a close listener, than will be invoked with the connection is closed
`<T> void`	`addToAttachmentList(AttachmentKey<AttachmentList<T>> key, T value)` Add a value to a list-typed attachment key.
`void`	`close()`
`protected void`	`exchangeComplete(HttpServerExchange exchange)` Invoked when the exchange is complete.
`<T> T`	`getAttachment(AttachmentKey<T> key)` Get an attachment value.
`<T> List<T>`	`getAttachmentList(AttachmentKey<? extends List<T>> key)` Gets a list attachment value.
`org.xnio.Pool<ByteBuffer>`	`getBufferPool()`
`int`	`getBufferSize()`
`ByteBufferPool`	`getByteBufferPool()`
`org.xnio.ChannelListener.Setter<? extends org.xnio.channels.ConnectedChannel>`	`getCloseSetter()`
`org.xnio.XnioIoThread`	`getIoThread()`
`SocketAddress`	`getLocalAddress()`
`<A extends SocketAddress> A`	`getLocalAddress(Class<A> type)`
`<T> T`	`getOption(org.xnio.Option<T> option)`
`SocketAddress`	`getPeerAddress()` Returns the actual address of the remote connection.
`<A extends SocketAddress> A`	`getPeerAddress(Class<A> type)` Returns the actual address of the remote connection.
`protected org.xnio.conduits.ConduitStreamSinkChannel`	`getSinkChannel()`
`protected org.xnio.conduits.StreamSinkConduit`	`getSinkConduit(HttpServerExchange exchange, org.xnio.conduits.StreamSinkConduit conduit)` Gets the sink conduit that should be used for this request.
`protected org.xnio.conduits.ConduitStreamSourceChannel`	`getSourceChannel()`
`SSLSession`	`getSslSession()` Gets the SSLSession of the underlying connection, or null if SSL is not in use.
`SSLSessionInfo`	`getSslSessionInfo()` Gets SSL information about the connection.
`String`	`getTransportProtocol()` Returns a string representation describing the protocol used to transmit messages on this connection.
`org.xnio.OptionMap`	`getUndertowOptions()`
`org.xnio.XnioWorker`	`getWorker()`
`protected boolean`	`isConnectSupported()`
`boolean`	`isContinueResponseSupported()`
`boolean`	`isOpen()`
`boolean`	`isPushSupported()`
`boolean`	`isRequestTrailerFieldsSupported()`
`protected boolean`	`isUpgradeSupported()`
`protected void`	`maxEntitySizeUpdated(HttpServerExchange exchange)` Callback that is invoked if the max entity size is updated.
`boolean`	`pushResource(String path, HttpString method, HeaderMap requestHeaders)` Attempts to push a resource if this connection supports server push.
`boolean`	`pushResource(String path, HttpString method, HeaderMap requestHeaders, HttpHandler handler)` Attempts to push a resource if this connection supports server push.
`<T> T`	`putAttachment(AttachmentKey<T> key, T value)` Set an attachment value.
`<T> T`	`removeAttachment(AttachmentKey<T> key)` Remove an attachment, returning its previous value.
`HttpServerExchange`	`sendOutOfBandResponse(HttpServerExchange exchange)` Sends an out of band response, such as a HTTP 100-continue response.
`protected void`	`setConnectListener(HttpUpgradeListener connectListener)`
`<T> T`	`setOption(org.xnio.Option<T> option, T value)`
`void`	`setSslSessionInfo(SSLSessionInfo sessionInfo)` Sets the current SSL information.
`protected void`	`setUpgradeListener(HttpUpgradeListener upgradeListener)`
`boolean`	`supportsOption(org.xnio.Option<?> option)`
`void`	`terminateRequestChannel(HttpServerExchange exchange)` Invoked when the exchange is complete, and there is still data in the request channel.
`protected org.xnio.StreamConnection`	`upgradeChannel()` Upgrade the connection, if allowed

Methods inherited from class io.undertow.util.AbstractAttachable
createAttachmentMap

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - Http2ServerConnection
```
public Http2ServerConnection(Http2Channel channel,
                             Http2StreamSourceChannel requestChannel,
                             org.xnio.OptionMap undertowOptions,
                             int bufferSize,
                             HttpHandler rootHandler)
```
  - Http2ServerConnection
```
public Http2ServerConnection(Http2Channel channel,
                             Http2DataStreamSinkChannel sinkChannel,
                             org.xnio.OptionMap undertowOptions,
                             int bufferSize,
                             HttpHandler rootHandler)
```
    Channel that is used when the request is already half closed
    
    Parameters:
    
    channel -
    
    undertowOptions -
    
    bufferSize -
    
    rootHandler -
- Method Detail
  - getBufferPool
```
public org.xnio.Pool<ByteBuffer> getBufferPool()
```
    Specified by:
    
    getBufferPool in class ServerConnection
    
    Returns:
    
    The connections buffer pool
  - getSslSession
```
public SSLSession getSslSession()
```
    Description copied from class: ServerConnection
    
    Gets the SSLSession of the underlying connection, or null if SSL is not in use. Note that for client cert auth ServerConnection.getSslSessionInfo() should be used instead, as it takes into account other information potentially provided by load balancers that terminate SSL
    
    Overrides:
    
    getSslSession in class ServerConnection
    
    Returns:
    
    The SSLSession of the connection
  - getByteBufferPool
```
public ByteBufferPool getByteBufferPool()
```
    Specified by:
    
    getByteBufferPool in class ServerConnection
    
    Returns:
    
    The connections buffer pool
  - getWorker
```
public org.xnio.XnioWorker getWorker()
```
    Specified by:
    
    getWorker in interface org.xnio.channels.CloseableChannel
    
    Specified by:
    
    getWorker in class ServerConnection
    
    Returns:
    
    The connections worker
  - getIoThread
```
public org.xnio.XnioIoThread getIoThread()
```
    Specified by:
    
    getIoThread in interface org.xnio.channels.CloseableChannel
    
    Specified by:
    
    getIoThread in class ServerConnection
    
    Returns:
    
    The IO thread associated with the connection
  - sendOutOfBandResponse
```
public HttpServerExchange sendOutOfBandResponse(HttpServerExchange exchange)
```
    Description copied from class: ServerConnection
    
    Sends an out of band response, such as a HTTP 100-continue response. WARNING: do not attempt to write to the current exchange until the out of band exchange has been fully written. Doing so may have unexpected results. TODO: this needs more thought.
    
    Specified by:
    
    sendOutOfBandResponse in class ServerConnection
    
    Parameters:
    
    exchange - The current exchange
    
    Returns:
    
    The out of band exchange.
  - isContinueResponseSupported
```
public boolean isContinueResponseSupported()
```
    Specified by:
    
    isContinueResponseSupported in class ServerConnection
    
    Returns:
    
    true if this connection supports sending a 100-continue response
  - terminateRequestChannel
```
public void terminateRequestChannel(HttpServerExchange exchange)
```
    Description copied from class: ServerConnection
    
    Invoked when the exchange is complete, and there is still data in the request channel. Some implementations (such as SPDY and HTTP2) have more efficient ways to drain the request than simply reading all data (e.g. RST_STREAM). After this method is invoked the stream will be drained normally.
    
    Specified by:
    
    terminateRequestChannel in class ServerConnection
    
    Parameters:
    
    exchange - The current exchange.
  - isOpen
```
public boolean isOpen()
```
    Specified by:
    
    isOpen in interface Channel
    
    Specified by:
    
    isOpen in class ServerConnection
    
    Returns:
    
    true if the connection is open
  - supportsOption
```
public boolean supportsOption(org.xnio.Option<?> option)
```
    Specified by:
    
    supportsOption in interface org.xnio.channels.Configurable
    
    Specified by:
    
    supportsOption in class ServerConnection
  - getOption
```
public <T> T getOption(org.xnio.Option<T> option)
                throws IOException
```
    Specified by:
    
    getOption in interface org.xnio.channels.Configurable
    
    Specified by:
    
    getOption in class ServerConnection
    
    Throws:
    
    IOException
  - setOption
```
public <T> T setOption(org.xnio.Option<T> option,
                       T value)
                throws IllegalArgumentException,
                       IOException
```
    Specified by:
    
    setOption in interface org.xnio.channels.Configurable
    
    Specified by:
    
    setOption in class ServerConnection
    
    Throws:
    
    IllegalArgumentException
    
    IOException
  - close
```
public void close()
           throws IOException
```
    Specified by:
    
    close in interface Closeable
    
    Specified by:
    
    close in interface AutoCloseable
    
    Specified by:
    
    close in interface Channel
    
    Specified by:
    
    close in interface InterruptibleChannel
    
    Specified by:
    
    close in interface org.xnio.channels.CloseableChannel
    
    Specified by:
    
    close in class ServerConnection
    
    Throws:
    
    IOException
  - getPeerAddress
```
public SocketAddress getPeerAddress()
```
    Description copied from class: ServerConnection
    
    Returns the actual address of the remote connection. This will not take things like X-Forwarded-for into account.
    
    Specified by:
    
    getPeerAddress in interface org.xnio.channels.ConnectedChannel
    
    Specified by:
    
    getPeerAddress in class ServerConnection
    
    Returns:
    
    The address of the remote peer
  - getPeerAddress
```
public <A extends SocketAddress> A getPeerAddress(Class<A> type)
```
    Description copied from class: ServerConnection
    
    Returns the actual address of the remote connection. This will not take things like X-Forwarded-for into account.
    
    Specified by:
    
    getPeerAddress in interface org.xnio.channels.ConnectedChannel
    
    Specified by:
    
    getPeerAddress in class ServerConnection
    
    Type Parameters:
    
    A - The address type
    
    Parameters:
    
    type - The type of address to return
    
    Returns:
    
    The remote endpoint address
  - getCloseSetter
```
public org.xnio.ChannelListener.Setter<? extends org.xnio.channels.ConnectedChannel> getCloseSetter()
```
  - getLocalAddress
```
public SocketAddress getLocalAddress()
```
    Specified by:
    
    getLocalAddress in interface org.xnio.channels.BoundChannel
    
    Specified by:
    
    getLocalAddress in class ServerConnection
  - getLocalAddress
```
public <A extends SocketAddress> A getLocalAddress(Class<A> type)
```
    Specified by:
    
    getLocalAddress in interface org.xnio.channels.BoundChannel
    
    Specified by:
    
    getLocalAddress in class ServerConnection
  - getUndertowOptions
```
public org.xnio.OptionMap getUndertowOptions()
```
    Specified by:
    
    getUndertowOptions in class ServerConnection
  - getBufferSize
```
public int getBufferSize()
```
    Specified by:
    
    getBufferSize in class ServerConnection
  - getSslSessionInfo
```
public SSLSessionInfo getSslSessionInfo()
```
    Description copied from class: ServerConnection
    
    Gets SSL information about the connection. This could represent the actual client connection, or could be providing SSL information that was provided by a front end proxy.
    
    Specified by:
    
    getSslSessionInfo in class ServerConnection
    
    Returns:
    
    SSL information about the connection
  - setSslSessionInfo
```
public void setSslSessionInfo(SSLSessionInfo sessionInfo)
```
    Description copied from class: ServerConnection
    
    Sets the current SSL information. This can be used by handlers to setup SSL information that was provided by a front end proxy. If this is being set of a per request basis then you must ensure that it is either cleared by an exchange completion listener at the end of the request, or is always set for every request. Otherwise it is possible to SSL information to 'leak' between requests.
    
    Specified by:
    
    setSslSessionInfo in class ServerConnection
    
    Parameters:
    
    sessionInfo - The ssl session information
  - addCloseListener
```
public void addCloseListener(ServerConnection.CloseListener listener)
```
    Description copied from class: ServerConnection
    
    Adds a close listener, than will be invoked with the connection is closed
    
    Specified by:
    
    addCloseListener in class ServerConnection
    
    Parameters:
    
    listener - The close listener
  - upgradeChannel
```
protected org.xnio.StreamConnection upgradeChannel()
```
    Description copied from class: ServerConnection
    
    Upgrade the connection, if allowed
    
    Specified by:
    
    upgradeChannel in class ServerConnection
    
    Returns:
    
    The StreamConnection that should be passed to the upgrade handler
  - getSinkChannel
```
protected org.xnio.conduits.ConduitStreamSinkChannel getSinkChannel()
```
    Specified by:
    
    getSinkChannel in class ServerConnection
  - getSourceChannel
```
protected org.xnio.conduits.ConduitStreamSourceChannel getSourceChannel()
```
    Specified by:
    
    getSourceChannel in class ServerConnection
  - getSinkConduit
```
protected org.xnio.conduits.StreamSinkConduit getSinkConduit(HttpServerExchange exchange,
                                                             org.xnio.conduits.StreamSinkConduit conduit)
```
    Description copied from class: ServerConnection
    
    Gets the sink conduit that should be used for this request. This allows the connection to apply any per-request conduit wrapping that is required, without adding to the response wrappers array. There is no corresponding method for source conduits, as in general conduits can be directly inserted into the connection after the request has been read.
    
    Specified by:
    
    getSinkConduit in class ServerConnection
    
    Returns:
    
    The source conduit
  - isUpgradeSupported
```
protected boolean isUpgradeSupported()
```
    Specified by:
    
    isUpgradeSupported in class ServerConnection
    
    Returns:
    
    true if this connection supports HTTP upgrade
  - isConnectSupported
```
protected boolean isConnectSupported()
```
    Specified by:
    
    isConnectSupported in class ServerConnection
    
    Returns:
    
    true if this connection supports the HTTP CONNECT verb
  - exchangeComplete
```
protected void exchangeComplete(HttpServerExchange exchange)
```
    Description copied from class: ServerConnection
    
    Invoked when the exchange is complete.
    
    Specified by:
    
    exchangeComplete in class ServerConnection
  - setUpgradeListener
```
protected void setUpgradeListener(HttpUpgradeListener upgradeListener)
```
    Specified by:
    
    setUpgradeListener in class ServerConnection
  - setConnectListener
```
protected void setConnectListener(HttpUpgradeListener connectListener)
```
    Specified by:
    
    setConnectListener in class ServerConnection
  - maxEntitySizeUpdated
```
protected void maxEntitySizeUpdated(HttpServerExchange exchange)
```
    Description copied from class: ServerConnection
    
    Callback that is invoked if the max entity size is updated.
    
    Specified by:
    
    maxEntitySizeUpdated in class ServerConnection
    
    Parameters:
    
    exchange - The current exchange
  - addToAttachmentList
```
public <T> void addToAttachmentList(AttachmentKey<AttachmentList<T>> key,
                                    T value)
```
    Description copied from class: AbstractAttachable
    
    Add a value to a list-typed attachment key. If the key is not mapped, add such a mapping.
    
    Specified by:
    
    addToAttachmentList in interface Attachable
    
    Overrides:
    
    addToAttachmentList in class AbstractAttachable
    
    Type Parameters:
    
    T - the list value type
    
    Parameters:
    
    key - the attachment key
    
    value - the value to add
  - removeAttachment
```
public <T> T removeAttachment(AttachmentKey<T> key)
```
    Description copied from class: AbstractAttachable
    
    Remove an attachment, returning its previous value.
    
    Specified by:
    
    removeAttachment in interface Attachable
    
    Overrides:
    
    removeAttachment in class AbstractAttachable
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    key - the attachment key
    
    Returns:
    
    the old value, or null if there was none
  - putAttachment
```
public <T> T putAttachment(AttachmentKey<T> key,
                           T value)
```
    Description copied from class: AbstractAttachable
    
    Set an attachment value. If an attachment for this key was already set, return the original value. If the value being set is null, the attachment key is removed.
    
    Specified by:
    
    putAttachment in interface Attachable
    
    Overrides:
    
    putAttachment in class AbstractAttachable
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    key - the attachment key
    
    value - the new value
    
    Returns:
    
    the old value, or null if there was none
  - getAttachmentList
```
public <T> List<T> getAttachmentList(AttachmentKey<? extends List<T>> key)
```
    Description copied from class: AbstractAttachable
    
    Gets a list attachment value. If not attachment exists for this key an empty list is returned
    
    Specified by:
    
    getAttachmentList in interface Attachable
    
    Overrides:
    
    getAttachmentList in class AbstractAttachable
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    key - the attachment key
    
    Returns:
    
    the value, or an empty list if there is none
  - getAttachment
```
public <T> T getAttachment(AttachmentKey<T> key)
```
    Description copied from class: AbstractAttachable
    
    Get an attachment value. If no attachment exists for this key, null is returned.
    
    Specified by:
    
    getAttachment in interface Attachable
    
    Overrides:
    
    getAttachment in class AbstractAttachable
    
    Type Parameters:
    
    T - the value type
    
    Parameters:
    
    key - the attachment key
    
    Returns:
    
    the value, or null if there is none
  - isPushSupported
```
public boolean isPushSupported()
```
    Overrides:
    
    isPushSupported in class ServerConnection
  - isRequestTrailerFieldsSupported
```
public boolean isRequestTrailerFieldsSupported()
```
    Specified by:
    
    isRequestTrailerFieldsSupported in class ServerConnection
  - pushResource
```
public boolean pushResource(String path,
                            HttpString method,
                            HeaderMap requestHeaders)
```
    Description copied from class: ServerConnection
    
    Attempts to push a resource if this connection supports server push. Otherwise the request is ignored. Note that push is always done on a best effort basis, even if this method returns true it is possible that the remote endpoint will reset the stream
    
    Overrides:
    
    pushResource in class ServerConnection
    
    Parameters:
    
    path - The path of the resource
    
    method - The request method
    
    requestHeaders - The request headers
    
    Returns:
    
    true if the server attempted the push, false otherwise
  - pushResource
```
public boolean pushResource(String path,
                            HttpString method,
                            HeaderMap requestHeaders,
                            HttpHandler handler)
```
    Description copied from class: ServerConnection
    
    Attempts to push a resource if this connection supports server push. Otherwise the request is ignored. Note that push is always done on a best effort basis, even if this method returns true it is possible that the remote endpoint will reset the stream. The HttpHandler passed in will be used to generate the pushed response
    
    Overrides:
    
    pushResource in class ServerConnection
    
    Parameters:
    
    path - The path of the resource
    
    method - The request method
    
    requestHeaders - The request headers
    
    Returns:
    
    true if the server attempted the push, false otherwise
  - getTransportProtocol
```
public String getTransportProtocol()
```
    Description copied from class: ServerConnection
    
    Returns a string representation describing the protocol used to transmit messages on this connection.
    
    Specified by:
    
    getTransportProtocol in class ServerConnection
    
    Returns:
    
    the transport protocol

Class Http2ServerConnection

Nested Class Summary

Nested classes/interfaces inherited from class io.undertow.server.ServerConnection

Field Summary

Fields inherited from interface org.xnio.channels.Configurable

Constructor Summary

Method Summary

Methods inherited from class io.undertow.util.AbstractAttachable

Methods inherited from class java.lang.Object

Constructor Detail

Http2ServerConnection

Http2ServerConnection

Method Detail

getBufferPool

getSslSession

getByteBufferPool

getWorker

getIoThread

sendOutOfBandResponse

isContinueResponseSupported

terminateRequestChannel

isOpen

supportsOption

getOption

setOption

close

getPeerAddress

getPeerAddress

getCloseSetter

getLocalAddress

getLocalAddress

getUndertowOptions

getBufferSize

getSslSessionInfo

setSslSessionInfo

addCloseListener

upgradeChannel

getSinkChannel

getSourceChannel

getSinkConduit

isUpgradeSupported

isConnectSupported

exchangeComplete

setUpgradeListener

setConnectListener

maxEntitySizeUpdated

addToAttachmentList

removeAttachment

putAttachment

getAttachmentList

getAttachment

isPushSupported

isRequestTrailerFieldsSupported

pushResource

pushResource

getTransportProtocol