Class TcpDnsQueryDecoder
java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelInboundHandlerAdapter
io.netty.handler.codec.ByteToMessageDecoder
io.netty.handler.codec.LengthFieldBasedFrameDecoder
io.netty.handler.codec.dns.TcpDnsQueryDecoder
- All Implemented Interfaces:
ChannelHandler, ChannelInboundHandler
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Nested Class Summary
Nested classes/interfaces inherited from class ByteToMessageDecoder
ByteToMessageDecoder.CumulatorNested classes/interfaces inherited from interface ChannelHandler
ChannelHandler.Sharable -
Field Summary
Fields inherited from class ByteToMessageDecoder
COMPOSITE_CUMULATOR, MERGE_CUMULATOR -
Constructor Summary
ConstructorsConstructorDescriptionCreates a new decoder with the default record decoder.TcpDnsQueryDecoder(DnsRecordDecoder decoder, int maxFrameLength) Creates a new decoder with the specifieddecoder. -
Method Summary
Modifier and TypeMethodDescriptionprotected Objectdecode(ChannelHandlerContext ctx, ByteBuf in) Create a frame out of theByteBufand return it.Methods inherited from class LengthFieldBasedFrameDecoder
decode, extractFrame, getUnadjustedFrameLengthMethods inherited from class ByteToMessageDecoder
actualReadableBytes, callDecode, channelInactive, channelRead, channelReadComplete, decodeLast, discardSomeReadBytes, handlerRemoved, handlerRemoved0, internalBuffer, isSingleDecode, setCumulator, setDiscardAfterReads, setSingleDecode, userEventTriggeredMethods inherited from class ChannelInboundHandlerAdapter
channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaughtMethods inherited from class ChannelHandlerAdapter
ensureNotSharable, handlerAdded, isSharableMethods inherited from class Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface ChannelHandler
handlerAdded
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Constructor Details
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TcpDnsQueryDecoder
public TcpDnsQueryDecoder()Creates a new decoder with the default record decoder. -
TcpDnsQueryDecoder
Creates a new decoder with the specifieddecoder.
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Method Details
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decode
Description copied from class:LengthFieldBasedFrameDecoderCreate a frame out of theByteBufand return it.- Overrides:
decodein classLengthFieldBasedFrameDecoder- Parameters:
ctx- theChannelHandlerContextwhich thisByteToMessageDecoderbelongs toin- theByteBuffrom which to read data- Returns:
- frame the
ByteBufwhich represent the frame ornullif no frame could be created. - Throws:
Exception
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