Module org.yamcs.core
Package org.yamcs.http

Class WebSocketFrameDropper

java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelOutboundHandlerAdapter
org.yamcs.http.WebSocketFrameDropper
All Implemented Interfaces:
io.netty.channel.ChannelHandler, io.netty.channel.ChannelOutboundHandler
public class WebSocketFrameDropper extends io.netty.channel.ChannelOutboundHandlerAdapter
Receives (potentially compressed) websocket frames (each containing a message), and handles message priorities, to drop low priority messages, if they would otherwise exceed the high write watermark.

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    WebSocketFrameDropper.MessageDroppedException
     

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

    io.netty.channel.ChannelHandler.Sharable

  • Constructor Summary

    Constructors
    Constructor
    Description
    WebSocketFrameDropper(long highWriteBufferWaterMark)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    write(io.netty.channel.ChannelHandlerContext ctx, Object msg, io.netty.channel.ChannelPromise promise)
     

    Methods inherited from class io.netty.channel.ChannelOutboundHandlerAdapter

    bind, close, connect, deregister, disconnect, flush, read

    Methods inherited from class io.netty.channel.ChannelHandlerAdapter

    ensureNotSharable, exceptionCaught, 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

    exceptionCaught, handlerAdded, handlerRemoved

  • Constructor Details

    • WebSocketFrameDropper

      public WebSocketFrameDropper(long highWriteBufferWaterMark)

  • Method Details

    • write

      public void write(io.netty.channel.ChannelHandlerContext ctx, Object msg, io.netty.channel.ChannelPromise promise) throws Exception
      Specified by:
      write in interface io.netty.channel.ChannelOutboundHandler
      Overrides:
      write in class io.netty.channel.ChannelOutboundHandlerAdapter
      Throws:
      Exception