Package org.jboss.netty.handler.codec.spdy

Class SpdySessionHandler

java.lang.Object

org.jboss.netty.channel.SimpleChannelUpstreamHandler

org.jboss.netty.handler.codec.spdy.SpdySessionHandler

All Implemented Interfaces:

ChannelDownstreamHandler, ChannelHandler, ChannelUpstreamHandler

public class SpdySessionHandler
extends SimpleChannelUpstreamHandler
implements ChannelDownstreamHandler

Manages streams within a SPDY session.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static final class	SpdySessionHandler.ClosingChannelFutureListener

Nested classes/interfaces inherited from interface org.jboss.netty.channel.ChannelHandler

ChannelHandler.Sharable

Field Summary

Fields

Modifier and Type	Field	Description
private ChannelFutureListener	closeSessionFutureListener
private static final int	DEFAULT_MAX_CONCURRENT_STREAMS
private static final int	DEFAULT_WINDOW_SIZE
private final Object	flowControlLock
private int	initialReceiveWindowSize
private int	initialSendWindowSize
private int	initialSessionReceiveWindowSize
private int	lastGoodStreamId
private int	localConcurrentStreams
private final int	minorVersion
private final AtomicInteger	pings
private static final SpdyProtocolException	PROTOCOL_EXCEPTION
private boolean	receivedGoAwayFrame
private int	remoteConcurrentStreams
private boolean	sentGoAwayFrame
private final boolean	server
private final SpdySession	spdySession

Constructor Summary

Constructors

Constructor	Description
SpdySessionHandler(SpdyVersion spdyVersion, boolean server)	Creates a new session handler.

Method Summary

Modifier and Type	Method	Description
private boolean	acceptStream(int streamId, byte priority, boolean remoteSideClosed, boolean localSideClosed)
void	exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e)	Invoked when an exception was raised by an I/O thread or a ChannelHandler.
private void	halfCloseStream(int streamId, boolean remote, ChannelFuture future)
void	handleDownstream(ChannelHandlerContext ctx, ChannelEvent evt)	Handles the specified downstream event.
private boolean	isRemoteInitiatedId(int id)
private void	issueSessionError(ChannelHandlerContext ctx, Channel channel, SocketAddress remoteAddress, SpdySessionStatus status)
private void	issueStreamError(ChannelHandlerContext ctx, SocketAddress remoteAddress, int streamId, SpdyStreamStatus status)
void	messageReceived(ChannelHandlerContext ctx, MessageEvent e)	Invoked when a message object (e.g: ChannelBuffer) was received from a remote peer.
private void	removeStream(int streamId, ChannelFuture future)
private ChannelFuture	sendGoAwayFrame(ChannelHandlerContext ctx, Channel channel, SocketAddress remoteAddress, SpdySessionStatus status)
private void	sendGoAwayFrame(ChannelHandlerContext ctx, ChannelStateEvent e)
void	setSessionReceiveWindowSize(int sessionReceiveWindowSize)
private void	updateInitialReceiveWindowSize(int newInitialWindowSize)
private void	updateInitialSendWindowSize(int newInitialWindowSize)
private void	updateSendWindowSize(ChannelHandlerContext ctx, int streamId, int deltaWindowSize)

Methods inherited from class org.jboss.netty.channel.SimpleChannelUpstreamHandler

channelBound, channelClosed, channelConnected, channelDisconnected, channelInterestChanged, channelOpen, channelUnbound, childChannelClosed, childChannelOpen, handleUpstream, writeComplete

Methods inherited from class java.lang.Object

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

Field Details

PROTOCOL_EXCEPTION

private static final SpdyProtocolException PROTOCOL_EXCEPTION

DEFAULT_WINDOW_SIZE

private static final int DEFAULT_WINDOW_SIZE

See Also:

• Constant Field Values

initialSendWindowSize

private volatile int initialSendWindowSize

initialReceiveWindowSize

private volatile int initialReceiveWindowSize

initialSessionReceiveWindowSize

private volatile int initialSessionReceiveWindowSize

spdySession

private final SpdySession spdySession

lastGoodStreamId

private volatile int lastGoodStreamId

DEFAULT_MAX_CONCURRENT_STREAMS

private static final int DEFAULT_MAX_CONCURRENT_STREAMS

See Also:

• Constant Field Values

remoteConcurrentStreams

private volatile int remoteConcurrentStreams

localConcurrentStreams

private volatile int localConcurrentStreams

flowControlLock

private final Object flowControlLock

pings

private final AtomicInteger pings

sentGoAwayFrame

private volatile boolean sentGoAwayFrame

receivedGoAwayFrame

private volatile boolean receivedGoAwayFrame

closeSessionFutureListener

private volatile ChannelFutureListener closeSessionFutureListener

server

private final boolean server

minorVersion

private final int minorVersion

Constructor Details

SpdySessionHandler

public SpdySessionHandler(SpdyVersion spdyVersion,
 boolean server)

Creates a new session handler.

Parameters:

spdyVersion - the protocol version

server - true if and only if this session handler should handle the server endpoint of the connection. false if and only if this session handler should handle the client endpoint of the connection.

Method Details

setSessionReceiveWindowSize

public void setSessionReceiveWindowSize(int sessionReceiveWindowSize)

messageReceived

public void messageReceived(ChannelHandlerContext ctx,
 MessageEvent e)
                     throws Exception

Description copied from class: SimpleChannelUpstreamHandler

Invoked when a message object (e.g: ChannelBuffer) was received from a remote peer.

Overrides:

messageReceived in class SimpleChannelUpstreamHandler

Throws:

Exception

exceptionCaught

public void exceptionCaught(ChannelHandlerContext ctx,
 ExceptionEvent e)
                     throws Exception

Description copied from class: SimpleChannelUpstreamHandler

Invoked when an exception was raised by an I/O thread or a ChannelHandler.

Overrides:

exceptionCaught in class SimpleChannelUpstreamHandler

Throws:

Exception

handleDownstream

public void handleDownstream(ChannelHandlerContext ctx,
 ChannelEvent evt)
                      throws Exception

Description copied from interface: ChannelDownstreamHandler

Handles the specified downstream event.

Specified by:

handleDownstream in interface ChannelDownstreamHandler

Parameters:

ctx - the context object for this handler

evt - the downstream event to process or intercept

Throws:

Exception

issueSessionError

private void issueSessionError(ChannelHandlerContext ctx,
 Channel channel,
 SocketAddress remoteAddress,
 SpdySessionStatus status)

issueStreamError

private void issueStreamError(ChannelHandlerContext ctx,
 SocketAddress remoteAddress,
 int streamId,
 SpdyStreamStatus status)

isRemoteInitiatedId

private boolean isRemoteInitiatedId(int id)

updateInitialSendWindowSize

private void updateInitialSendWindowSize(int newInitialWindowSize)

updateInitialReceiveWindowSize

private void updateInitialReceiveWindowSize(int newInitialWindowSize)

acceptStream

private boolean acceptStream(int streamId,
 byte priority,
 boolean remoteSideClosed,
 boolean localSideClosed)

halfCloseStream

private void halfCloseStream(int streamId,
 boolean remote,
 ChannelFuture future)

removeStream

private void removeStream(int streamId,
 ChannelFuture future)

updateSendWindowSize

private void updateSendWindowSize(ChannelHandlerContext ctx,
 int streamId,
 int deltaWindowSize)

sendGoAwayFrame

private void sendGoAwayFrame(ChannelHandlerContext ctx,
 ChannelStateEvent e)

sendGoAwayFrame

private ChannelFuture sendGoAwayFrame(ChannelHandlerContext ctx,
 Channel channel,
 SocketAddress remoteAddress,
 SpdySessionStatus status)