io.rsocket.transport.netty

Class RSocketLengthCodec

java.lang.Object

io.netty.channel.ChannelHandlerAdapter

io.netty.channel.ChannelInboundHandlerAdapter

io.netty.handler.codec.ByteToMessageDecoder

io.netty.handler.codec.LengthFieldBasedFrameDecoder

io.rsocket.transport.netty.RSocketLengthCodec

All Implemented Interfaces:

ChannelHandler, ChannelInboundHandler

public final class RSocketLengthCodec
extends LengthFieldBasedFrameDecoder

An extension to the Netty LengthFieldBasedFrameDecoder that encapsulates the RSocket-specific frame length header details.

Nested Class Summary

Nested classes/interfaces inherited from class io.netty.handler.codec.ByteToMessageDecoder

ByteToMessageDecoder.Cumulator

Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

ChannelHandler.Sharable

Field Summary

Fields inherited from class io.netty.handler.codec.ByteToMessageDecoder

COMPOSITE_CUMULATOR, MERGE_CUMULATOR

Constructor Summary

Constructors

Constructor and Description
RSocketLengthCodec() Creates a new instance of the decoder, specifying the RSocket frame length header size.
RSocketLengthCodec(int maxFrameLength) Creates a new instance of the decoder, specifying the RSocket frame length header size.

Method Summary

Modifier and Type	Method and Description
Object	decode(ByteBuf in) Simplified non-netty focused decode usage.

Methods inherited from class io.netty.handler.codec.LengthFieldBasedFrameDecoder

decode, decode, extractFrame, getUnadjustedFrameLength

Methods inherited from class io.netty.handler.codec.ByteToMessageDecoder

actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, discardSomeReadBytes, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setDiscardAfterReads, setSingleDecode, userEventTriggered

Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

Methods inherited from class io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.netty.channel.ChannelHandler

handlerAdded

Constructor Detail

RSocketLengthCodec

public RSocketLengthCodec()

Creates a new instance of the decoder, specifying the RSocket frame length header size.

RSocketLengthCodec

public RSocketLengthCodec(int maxFrameLength)

Creates a new instance of the decoder, specifying the RSocket frame length header size.

Parameters:

maxFrameLength - maximum allowed frame length for incoming rsocket frames

Method Detail

decode

public Object decode(ByteBuf in)
              throws Exception

Simplified non-netty focused decode usage.

Parameters:

in - the input buffer to read data from.

Returns:

decoded buffer or null is none available.

Throws:

Exception - if any error happens.

See Also:

LengthFieldBasedFrameDecoder.decode(ChannelHandlerContext, ByteBuf)