Package org.apache.hadoop.oncrpc

Class SimpleTcpClientHandler

java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelInboundHandlerAdapter
org.apache.hadoop.oncrpc.SimpleTcpClientHandler
All Implemented Interfaces:
io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler
public class SimpleTcpClientHandler extends io.netty.channel.ChannelInboundHandlerAdapter
A simple TCP based RPC client handler used by SimpleTcpServer.

  • Nested Class Summary

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

    io.netty.channel.ChannelHandler.Sharable

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final org.slf4j.Logger
    LOG
     
    protected final XDR
    request
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    SimpleTcpClientHandler(XDR request)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    channelActive(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg)
    Shutdown connection by default.
    void
    exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)
     

    Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

    channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, userEventTriggered

    Methods inherited from class io.netty.channel.ChannelHandlerAdapter

    ensureNotSharable, handlerAdded, handlerRemoved, 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, handlerRemoved

  • Field Details

    • LOG

      public static final org.slf4j.Logger LOG

    • request

      protected final XDR request

  • Constructor Details

    • SimpleTcpClientHandler

      public SimpleTcpClientHandler(XDR request)

  • Method Details

    • channelActive

      public void channelActive(io.netty.channel.ChannelHandlerContext ctx) throws Exception
      Specified by:
      channelActive in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelActive in class io.netty.channel.ChannelInboundHandlerAdapter
      Throws:
      Exception

    • channelRead

      public void channelRead(io.netty.channel.ChannelHandlerContext ctx, Object msg)
      Shutdown connection by default. Subclass can override this method to do more interaction with the server.
      Specified by:
      channelRead in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      channelRead in class io.netty.channel.ChannelInboundHandlerAdapter

    • exceptionCaught

      public void exceptionCaught(io.netty.channel.ChannelHandlerContext ctx, Throwable cause)
      Specified by:
      exceptionCaught in interface io.netty.channel.ChannelHandler
      Specified by:
      exceptionCaught in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      exceptionCaught in class io.netty.channel.ChannelInboundHandlerAdapter