Package com.bytedesk.core.socket.mqtt.handler

Class MqttTransportHandler

java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelInboundHandlerAdapter
io.netty.channel.SimpleChannelInboundHandler<io.netty.handler.codec.mqtt.MqttMessage>
com.bytedesk.core.socket.mqtt.handler.MqttTransportHandler
All Implemented Interfaces:
io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler
@Sharable public class MqttTransportHandler extends io.netty.channel.SimpleChannelInboundHandler<io.netty.handler.codec.mqtt.MqttMessage>

  • 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
    private ProtocolProcess
    protocolProcess
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    MqttTransportHandler(ProtocolProcess protocolProcess)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    channelActive(io.netty.channel.ChannelHandlerContext ctx)
     
    void
    channelInactive(io.netty.channel.ChannelHandlerContext ctx)
     
    protected void
    channelRead0(io.netty.channel.ChannelHandlerContext channelHandlerContext, io.netty.handler.codec.mqtt.MqttMessage mqttMessage)
     
    void
    exceptionCaught(io.netty.channel.ChannelHandlerContext channelHandlerContext, Throwable cause)
     
    void
    updateDisconnectedStatus(String clientId)
     
    void
    userEventTriggered(io.netty.channel.ChannelHandlerContext ctx, Object event)
    user event 当 ChannelnboundHandler.fireUserEventTriggered()方法被调用时被调用，因为一个 POJO 被传经了 ChannelPipeline TODO: 搞清楚调用时机？

    Methods inherited from class io.netty.channel.SimpleChannelInboundHandler

    acceptInboundMessage, channelRead

    Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

    channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged

    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

  • Constructor Details

    • MqttTransportHandler

      public MqttTransportHandler(ProtocolProcess protocolProcess)

  • Method Details

    • channelRead0

      protected void channelRead0(io.netty.channel.ChannelHandlerContext channelHandlerContext, io.netty.handler.codec.mqtt.MqttMessage mqttMessage) throws Exception
      Specified by:
      channelRead0 in class io.netty.channel.SimpleChannelInboundHandler<io.netty.handler.codec.mqtt.MqttMessage>
      Throws:
      Exception

    • 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

    • channelInactive

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

    • exceptionCaught

      public void exceptionCaught(io.netty.channel.ChannelHandlerContext channelHandlerContext, Throwable cause) throws Exception
      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
      Throws:
      Exception

    • userEventTriggered

      public void userEventTriggered(io.netty.channel.ChannelHandlerContext ctx, Object event) throws Exception
      user event 当 ChannelnboundHandler.fireUserEventTriggered()方法被调用时被调用，因为一个 POJO 被传经了 ChannelPipeline TODO: 搞清楚调用时机？ 通过MqttIdleStateHandler触发userEventTriggered
      Specified by:
      userEventTriggered in interface io.netty.channel.ChannelInboundHandler
      Overrides:
      userEventTriggered in class io.netty.channel.ChannelInboundHandlerAdapter
      Parameters:
      ctx - context
      event - event
      Throws:
      Exception - exp

    • updateDisconnectedStatus

      public void updateDisconnectedStatus(String clientId)