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io.netty.handler.codec.dns

public final Class TcpDnsResponseDecoder

extends LengthFieldBasedFrameDecoder
Class Inheritance
Annotations
@UnstableApi
Imports
io.netty.buffer.ByteBuf, io.netty.channel.ChannelHandlerContext, io.netty.handler.codec.LengthFieldBasedFrameDecoder, io.netty.util.internal.UnstableApi, java.net.SocketAddress

Field Summary

Modifier and TypeField and Description
private final DnsResponseDecoder<SocketAddress>
responseDecoder

Constructor Summary

AccessConstructor and Description
public
TcpDnsResponseDecoder()

Creates a new decoder with the default record decoder.

public
TcpDnsResponseDecoder(DnsRecordDecoder recordDecoder, int maxFrameLength)

Creates a new decoder with the specified recordDecoder and maxFrameLength

Method Summary

Modifier and TypeMethod and Description
protected Object
decode(ChannelHandlerContext
the ChannelHandlerContext which this ByteToMessageDecoder belongs to
ctx, ByteBuf
the ByteBuf from which to read data
in)

Overrides io.netty.handler.codec.LengthFieldBasedFrameDecoder.decode.

Create a frame out of the ByteBuf and return it.
protected ByteBuf
extractFrame(ChannelHandlerContext ctx, ByteBuf buffer, int index, int length)

Overrides io.netty.handler.codec.LengthFieldBasedFrameDecoder.extractFrame.

Extract the sub-region of the specified buffer.
Inherited from io.netty.handler.codec.LengthFieldBasedFrameDecoder:
decodegetUnadjustedFrameLength

Field Detail

responseDecoderback to summary
private final DnsResponseDecoder<SocketAddress> responseDecoder

Constructor Detail

TcpDnsResponseDecoderback to summary
public TcpDnsResponseDecoder()

Creates a new decoder with the default record decoder.

TcpDnsResponseDecoderback to summary
public TcpDnsResponseDecoder(DnsRecordDecoder recordDecoder, int maxFrameLength)

Creates a new decoder with the specified recordDecoder and maxFrameLength

Method Detail

decodeback to summary
protected Object decode(ChannelHandlerContext ctx, ByteBuf in) throws Exception

Overrides io.netty.handler.codec.LengthFieldBasedFrameDecoder.decode.

Doc from io.netty.handler.codec.LengthFieldBasedFrameDecoder.decode.

Create a frame out of the ByteBuf and return it.

Parameters
ctx:ChannelHandlerContext

the ChannelHandlerContext which this ByteToMessageDecoder belongs to

in:ByteBuf

the ByteBuf from which to read data

Returns:Object

frame the ByteBuf which represent the frame or null if no frame could be created.

Annotations
@Override
extractFrameback to summary
protected ByteBuf extractFrame(ChannelHandlerContext ctx, ByteBuf buffer, int index, int length)

Overrides io.netty.handler.codec.LengthFieldBasedFrameDecoder.extractFrame.

Doc from io.netty.handler.codec.LengthFieldBasedFrameDecoder.extractFrame.

Extract the sub-region of the specified buffer.

Annotations
@Override