Package io.netty.handler.codec.spdy

Class SpdyFrameDecoder

java.lang.Object

io.netty.handler.codec.spdy.SpdyFrameDecoder

public class SpdyFrameDecoder
extends java.lang.Object

Decodes ByteBufs into SPDY Frames.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	SpdyFrameDecoder.State

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static int	DEFAULT_MAX_NUM_SETTINGS
protected SpdyFrameDecoderDelegate	delegate
private byte	flags
private int	frameType
private int	length
private int	maxChunkSize
private int	maxNumSettings
private int	numSettings
protected int	spdyVersion
private SpdyFrameDecoder.State	state
private int	streamId

Constructor Summary

Constructors

Constructor	Description
SpdyFrameDecoder(SpdyVersion spdyVersion, SpdyFrameDecoderDelegate delegate)	Creates a new instance with the specified version and the default maxChunkSize (8192).
SpdyFrameDecoder(SpdyVersion spdyVersion, SpdyFrameDecoderDelegate delegate, int maxChunkSize)	Creates a new instance with the specified parameters.
SpdyFrameDecoder(SpdyVersion spdyVersion, SpdyFrameDecoderDelegate delegate, int maxChunkSize, int maxNumSettings)	Creates a new instance with the specified parameters.

Method Summary

Modifier and Type	Method	Description
void	decode(ByteBuf buffer)
protected boolean	decodeUnknownFrame(int frameType, byte flags, int length, ByteBuf buffer)	Decode the unknown frame, returns true if parsed something, otherwise false.
private static SpdyFrameDecoder.State	getNextState(int type, int length)
private static boolean	hasFlag(byte flags, byte flag)
private static boolean	isValidFrameHeader(int streamId, int type, byte flags, int length)
protected boolean	isValidUnknownFrameHeader(int streamId, int type, byte flags, int length)	Check whether the unknown frame is valid, if not, the frame will be discarded, otherwise, the frame will be passed to decodeUnknownFrame(int, byte, int, ByteBuf).

Methods inherited from class java.lang.Object

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

Field Detail

delegate

protected final SpdyFrameDecoderDelegate delegate

spdyVersion

protected final int spdyVersion

DEFAULT_MAX_NUM_SETTINGS

static final int DEFAULT_MAX_NUM_SETTINGS

See Also:

Constant Field Values

maxChunkSize

private final int maxChunkSize

maxNumSettings

private final int maxNumSettings

frameType

private int frameType

state

private SpdyFrameDecoder.State state

flags

private byte flags

length

private int length

streamId

private int streamId

numSettings

private int numSettings

Constructor Detail

SpdyFrameDecoder

public SpdyFrameDecoder(SpdyVersion spdyVersion,
                        SpdyFrameDecoderDelegate delegate)

Creates a new instance with the specified version and the default maxChunkSize (8192).

SpdyFrameDecoder

public SpdyFrameDecoder(SpdyVersion spdyVersion,
                        SpdyFrameDecoderDelegate delegate,
                        int maxChunkSize)

Creates a new instance with the specified parameters.

SpdyFrameDecoder

public SpdyFrameDecoder(SpdyVersion spdyVersion,
                        SpdyFrameDecoderDelegate delegate,
                        int maxChunkSize,
                        int maxNumSettings)

Creates a new instance with the specified parameters.

Method Detail

decode

public void decode(ByteBuf buffer)

hasFlag

private static boolean hasFlag(byte flags,
                               byte flag)

getNextState

private static SpdyFrameDecoder.State getNextState(int type,
                                                   int length)

decodeUnknownFrame

protected boolean decodeUnknownFrame(int frameType,
                                     byte flags,
                                     int length,
                                     ByteBuf buffer)

Decode the unknown frame, returns true if parsed something, otherwise false.

isValidUnknownFrameHeader

protected boolean isValidUnknownFrameHeader(int streamId,
                                            int type,
                                            byte flags,
                                            int length)

Check whether the unknown frame is valid, if not, the frame will be discarded, otherwise, the frame will be passed to decodeUnknownFrame(int, byte, int, ByteBuf).

isValidFrameHeader

private static boolean isValidFrameHeader(int streamId,
                                          int type,
                                          byte flags,
                                          int length)