package com.walker.tcp.netty;
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import io.netty.channel.ChannelPipeline;
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import io.netty.channel.socket.SocketChannel;
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import io.netty.handler.codec.http.HttpObjectAggregator;
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import io.netty.handler.codec.http.HttpServerCodec;
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import io.netty.handler.logging.LogLevel;
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import io.netty.handler.logging.LoggingHandler;
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import io.netty.handler.ssl.SslHandler;
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import io.netty.handler.stream.ChunkedWriteHandler;
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import javax.net.ssl.KeyManagerFactory;
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import javax.net.ssl.SSLContext;
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import javax.net.ssl.SSLEngine;
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import java.io.FileInputStream;
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import java.io.InputStream;
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import java.security.KeyStore;
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public class WebSocketServerInitializer extends DefaultServerInitializer {
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// public void setPackageSeparator(String packageSeparator) {
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// throw new UnsupportedOperationException("websocket类型不支持该操作");
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// }
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@Override
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protected void initChannel(SocketChannel ch) throws Exception {
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// protected void initChannel(GenIdClientSocketChannel ch) throws Exception {
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logger.debug("SocketChannel = {}", ch.getClass().getName());
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ChannelPipeline pipeline = ch.pipeline();
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pipeline.addLast("logging",new LoggingHandler(LogLevel.INFO));
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// 设置30秒没有读到数据,则触发一个READER_IDLE事件。
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// pipeline.addLast(new IdleStateHandler(30, 0, 0));
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// HttpServerCodec:将请求和应答消息解码为HTTP消息
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pipeline.addLast("http-codec",new HttpServerCodec());
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// HttpObjectAggregator:将HTTP消息的多个部分合成一条完整的HTTP消息
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pipeline.addLast("aggregator",new HttpObjectAggregator(65536));
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// ChunkedWriteHandler:向客户端发送HTML5文件
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pipeline.addLast("http-chunked",new ChunkedWriteHandler());
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// 在管道中添加我们自己的接收数据实现方法
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pipeline.addLast("handler", this.getHandler());
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}
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/**
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* 创建支持wss可靠连接的通信。暂时不使用。
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* <pre>
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* 1) 不过目前情况看,一般是在 nginx 端代理设置即可,一般不必在程序中支持
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* 2) 确实需要在程序中支持,需要配置证书,这在集群环境下很难维护。
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* </pre>
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* @param pipeline
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* @param password
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* @throws Exception
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* @date 2024-01-31
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*/
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private void createSSLHandler(ChannelPipeline pipeline, String password) throws Exception{
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KeyStore ks = KeyStore.getInstance("JKS");
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InputStream ksInputStream = new FileInputStream("/Users/liukun/ca/demo.liukun.com.keystore.jks");
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ks.load(ksInputStream, password.toCharArray());
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KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
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kmf.init(ks, password.toCharArray());
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SSLContext sslContext = SSLContext.getInstance("TLS");
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sslContext.init(kmf.getKeyManagers(), null, null);
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SSLEngine sslEngine = sslContext.createSSLEngine();
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sslEngine.setUseClientMode(false);
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sslEngine.setNeedClientAuth(false);
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// 需把SslHandler添加在第一位
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pipeline.addFirst("ssl", new SslHandler(sslEngine));
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}
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/**
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* 是否允许使用:wss可靠通道
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* @param enableSSL
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* @date 2024-01-31
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*/
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public void setEnableSSL(boolean enableSSL) {
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this.enableSSL = enableSSL;
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}
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private boolean enableSSL = false;
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}
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