Package org.apache.hadoop.hbase.ipc

Class NettyRpcFrameDecoder

java.lang.Object
org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerAdapter
org.apache.hbase.thirdparty.io.netty.channel.ChannelInboundHandlerAdapter
org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder
org.apache.hadoop.hbase.ipc.NettyRpcFrameDecoder
All Implemented Interfaces:
org.apache.hbase.thirdparty.io.netty.channel.ChannelHandler, org.apache.hbase.thirdparty.io.netty.channel.ChannelInboundHandler
@Private class NettyRpcFrameDecoder extends org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder
Decoder for extracting frame
Since:
2.0.0

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder

    org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder.Cumulator

    Nested classes/interfaces inherited from interface org.apache.hbase.thirdparty.io.netty.channel.ChannelHandler

    org.apache.hbase.thirdparty.io.netty.channel.ChannelHandler.Sharable

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    (package private) final NettyServerRpcConnection
    connection
     
    private static int
    FRAME_LENGTH_FIELD_LENGTH
     
    private final int
    maxFrameLength
     
    private boolean
    requestTooBig
     
    private String
    requestTooBigMessage
     
    private boolean
    requestTooBigSent
     

    Fields inherited from class org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder

    COMPOSITE_CUMULATOR, MERGE_CUMULATOR

  • Constructor Summary

    Constructors
    Constructor
    Description
    NettyRpcFrameDecoder(int maxFrameLength, NettyServerRpcConnection connection)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    protected void
    decode(org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext ctx, org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf in, List<Object> out)
     
    private org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader
    getHeader(org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf in, int headerSize)
     
    private void
    handleTooBigRequest(org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext ctx, org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf in)
     
    private static int
    readRawVarint32(org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf buffer)
    Reads variable length 32bit int from buffer This method is from ProtobufVarint32FrameDecoder in Netty and modified a little bit to pass the cyeckstyle rule.

    Methods inherited from class org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder

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

    Methods inherited from class org.apache.hbase.thirdparty.io.netty.channel.ChannelInboundHandlerAdapter

    channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught

    Methods inherited from class org.apache.hbase.thirdparty.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 org.apache.hbase.thirdparty.io.netty.channel.ChannelHandler

    handlerAdded

  • Field Details

  • Constructor Details

  • Method Details

    • decode

      protected void decode(org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext ctx, org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf in, List<Object> out) throws Exception
      Specified by:
      decode in class org.apache.hbase.thirdparty.io.netty.handler.codec.ByteToMessageDecoder
      Throws:
      Exception

    • handleTooBigRequest

      private void handleTooBigRequest(org.apache.hbase.thirdparty.io.netty.channel.ChannelHandlerContext ctx, org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf in) throws IOException
      Throws:
      IOException

    • getHeader

      private org.apache.hadoop.hbase.shaded.protobuf.generated.RPCProtos.RequestHeader getHeader(org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf in, int headerSize) throws IOException
      Throws:
      IOException

    • readRawVarint32

      private static int readRawVarint32(org.apache.hbase.thirdparty.io.netty.buffer.ByteBuf buffer)
      Reads variable length 32bit int from buffer This method is from ProtobufVarint32FrameDecoder in Netty and modified a little bit to pass the cyeckstyle rule.
      Returns:
      decoded int if buffers readerIndex has been forwarded else nonsense value