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POAttributes handover from TelnetServer to TelnetServerHandler netty-4.0.10 Final
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  1. POAttributes handover from TelnetServer to TelnetServerHandler netty-4.0.10 Final
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    copied!<p>I have the plan to read my config file in the server part into the memory and use the data in the handler.</p> <p>Attached the code snippets.</p> <p>// from the example directory </p> <pre><code>public class TelnetServer { private final int port; private final String myConfFile; // MyConf is a singleton class which read the config // from my app into memory private static final AttributeKey&lt;MyConf&gt; myCAttribute = new AttributeKey&lt;MyConf&gt;("MyConf"); public TelnetServer(int port,String confFile) { this.port = port; this.myConfFile = confFile; } public void run() throws Exception { EventLoopGroup bossGroup = new NioEventLoopGroup(); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.childAttr(myCAttribute, MyConf.getInstance(myConfFile)); b.group(bossGroup, workerGroup) .channel(NioServerSocketChannel.class) .childHandler(new TelnetServerInitializer()); b.bind(port).sync().channel().closeFuture().sync(); } finally { bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } } } </code></pre> <p>Now I want to use the value in the TelnetServerHandler. </p> <pre><code>public void channelRead0(ChannelHandlerContext ctx, String request) throws Exception { // Generate and write a response. String response; boolean close = false; if (request.isEmpty()) { response = "Please type something.\r\n"; } else if ("bye".equals(request.toLowerCase())) { response = "Have a good day!\r\n"; close = true; } else { response = "Did you say '" + request + "'?\r\n"; MyConf mc = (MyConf)ctx.attr("MyConf"); } // We do not need to write a ChannelBuffer here. // We know the encoder inserted at TelnetPipelineFactory will do the conversion. ChannelFuture future = ctx.write(response); // Close the connection after sending 'Have a good day!' // if the client has sent 'bye'. if (close) { future.addListener(ChannelFutureListener.CLOSE); } } </code></pre> <p>But this doesn't works. Please can anybody point me to the right doc or give me a hint how I can realize this plan.</p> <p>Thanks for help. John</p>
 

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