[ { "path": ".gitignore", "content": "# Compiled class file\n*.class\n\n# Log file\n*.log\n\n# BlueJ files\n*.ctxt\n\n# Mobile Tools for Java (J2ME)\n.mtj.tmp/\n\n# Package Files #\n*.jar\n*.war\n*.ear\n*.zip\n*.tar.gz\n*.rar\n\n# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml\nhs_err_pid*\n*.DS_Store\n*.iml\n.idea/\ntarget/\n\n" }, { "path": "README.md", "content": "# spring boot netty\n\n### 资源库说明\n\n首先,不是一个项目.而是一个DEMO性质的代码分享.\n\n**当前资源库中包含了两大部分**\n\n1. netty-demo下的可以在项目中使用的netty与SpringBoot集成的demo\n2. 在study-netty下的netty相关的基础学习demo\n\n## netty-demo\n\n#### 简述\n这是我之前博客中的集成代码,当然,如今的代码已经不完全是博文中所述那样.这里做了相应的优化与升级.主要包含以下几点:\n\n1. 性能优化,不再循环中与服务端创建连接.\n2. 代码优化,客户端代码添加了更多的注释,以便理解这样的做法.\n3. 功能优化,添加了保持长连接的心跳检测功能,并添加了测试类模拟测试.\n\n原博文地址: [开源中国](https://my.oschina.net/yzwjyw/blog/1614889) [CSDN](http://blog.csdn.net/yuanzhenwei521/article/details/79194275) [博客园](http://www.cnblogs.com/tdg-yyx/p/8376842.html)\n\n#### PS\n\n具体项目说明详见内部项目的说明文档\n\n## study-netty\n\n#### 简述\n\n当前目录下的项目为netty基础学习demo.\n\n#### PS\n\n具体项目说明详见内部项目的说明文档\n\n## End\n\n#### 作者QQ: 562638362\n\n#### 作者邮箱：marquis_xuan@163.com\n\n" }, { "path": "spring-boot-netty/netty-commons/pom.xml", "content": "\n\n \n spring-boot-netty\n org.yyx.netty\n 0.0.1-SNAPSHOT\n \n 4.0.0\n\n netty-commons\n\n\n" }, { "path": "spring-boot-netty/netty-commons/src/main/java/org/yyx/netty/entity/MethodInvokeMeta.java", "content": "package org.yyx.netty.entity;\n\nimport lombok.Data;\nimport lombok.EqualsAndHashCode;\nimport lombok.NoArgsConstructor;\nimport lombok.ToString;\n\nimport java.io.Serializable;\n\n/**\n * 记录调用方法的元信息\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/14 - 22:46\n */\n@Data\n@NoArgsConstructor\n@EqualsAndHashCode\n@ToString\npublic class MethodInvokeMeta implements Serializable {\n private static final long serialVersionUID = 5429914235135594820L;\n /**\n * 接口\n */\n private Class interfaceClass;\n /**\n * 方法名\n */\n private String methodName;\n /**\n * 参数\n */\n private Object[] args;\n /**\n * 返回值类型\n */\n private Class returnType;\n /**\n * 参数类型\n */\n private Class[] parameterTypes;\n\n public Object[] getArgs() {\n return args;\n }\n\n public void setArgs(Object[] args) {\n this.args = args;\n }\n\n public Class getInterfaceClass() {\n return interfaceClass;\n }\n\n public void setInterfaceClass(Class interfaceClass) {\n this.interfaceClass = interfaceClass;\n }\n\n public String getMethodName() {\n return methodName;\n }\n\n public void setMethodName(String methodName) {\n this.methodName = methodName;\n }\n\n public Class[] getParameterTypes() {\n return parameterTypes;\n }\n\n public void setParameterTypes(Class[] parameterTypes) {\n this.parameterTypes = parameterTypes;\n }\n\n public Class getReturnType() {\n return returnType;\n }\n\n public void setReturnType(Class returnType) {\n this.returnType = returnType;\n }\n}\n" }, { "path": "spring-boot-netty/netty-commons/src/main/java/org/yyx/netty/entity/NullWritable.java", "content": "package org.yyx.netty.entity;\n\nimport lombok.Data;\n\nimport java.io.Serializable;\n\n/**\n * 服务器可能返回空的处理\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 11:57\n */\n@Data\npublic class NullWritable implements Serializable {\n /**\n * 序列化标识\n */\n private static final long serialVersionUID = 2123827169429254101L;\n /**\n * 单例\n */\n private static NullWritable instance = new NullWritable();\n\n /**\n * 私有构造器\n */\n private NullWritable() {\n }\n\n /**\n * 返回代表Null的对象\n *\n * @return {@link NullWritable} 当方法返回值为void时或返回值为null时返回此对象\n */\n public static NullWritable nullWritable() {\n return instance;\n }\n}\n" }, { "path": "spring-boot-netty/netty-commons/src/main/java/org/yyx/netty/entity/User.java", "content": "package org.yyx.netty.entity;\n\nimport lombok.Data;\nimport lombok.NoArgsConstructor;\nimport org.msgpack.annotation.Message;\n\nimport java.io.Serializable;\nimport java.nio.ByteBuffer;\n\n/**\n * 用户实体\n *

\n * create by 叶云轩 at 2018/3/3-下午1:48\n * contact by tdg_yyx@foxmail.com\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 11:55\n */\n@Data\n@NoArgsConstructor\n@Message\npublic class User implements Serializable {\n /**\n * 序列化标识\n */\n private static final long serialVersionUID = -5462474276911290451L;\n /**\n * 编号\n */\n private int id;\n /**\n * 姓名\n */\n private String name;\n /**\n * 分数\n */\n private double source;\n /**\n * 领导\n */\n private User leader;\n\n public byte[] codeC() {\n ByteBuffer allocate = ByteBuffer.allocate(1024);\n byte[] bytes = this.name.getBytes();\n allocate.putInt(bytes.length);\n allocate.put(bytes);\n allocate.putInt(this.id);\n allocate.flip();\n bytes = null;\n byte[] res = new byte[allocate.remaining()];\n allocate.get(res);\n return res;\n }\n\n public byte[] codeC(ByteBuffer buffer) {\n buffer.clear();\n byte[] bytes = this.name.getBytes();\n buffer.putInt(bytes.length);\n buffer.put(bytes);\n buffer.putInt(this.id);\n buffer.flip();\n bytes = null;\n byte[] res = new byte[buffer.remaining()];\n buffer.get(res);\n return res;\n }\n}\n" }, { "path": "spring-boot-netty/netty-commons/src/main/java/org/yyx/netty/exception/ErrorParamsException.java", "content": "package org.yyx.netty.exception;\n\n/**\n * 参数错误异常\n *

\n *\n * @author 叶云轩 at tdg_yyx@foxmail.com\n * @date 2018/11/1-14:41\n */\npublic class ErrorParamsException extends RuntimeException {\n private static final long serialVersionUID = -623198335011996153L;\n\n public ErrorParamsException() {\n super();\n }\n\n public ErrorParamsException(String message) {\n super(message);\n }\n}\n" }, { "path": "spring-boot-netty/netty-commons/src/main/java/org/yyx/netty/exception/NoUseableChannel.java", "content": "package org.yyx.netty.exception;\n\n/**\n * 没有可用的通道异常\n *

\n *\n * @author 叶云轩 at marquis_xuan@163.com\n * @date 2018/11/2-16:00\n */\npublic class NoUseableChannel extends RuntimeException{\n private static final long serialVersionUID = 7762465537123947683L;\n\n public NoUseableChannel() {\n super();\n }\n\n public NoUseableChannel(String message) {\n super(message);\n }\n}\n" }, { "path": "spring-boot-netty/netty-commons/src/main/java/org/yyx/netty/util/ObjectCodec.java", "content": "package org.yyx.netty.util;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.handler.codec.MessageToMessageCodec;\n\nimport java.util.List;\n\n/**\n *

\n * create by 叶云轩 at 2018/3/3-下午1:42\n * contact by tdg_yyx@foxmail.com\n */\npublic class ObjectCodec extends MessageToMessageCodec {\n\n @Override\n protected void encode(ChannelHandlerContext ctx, Object msg, List out) {\n byte[] data = ObjectSerializerUtils.serilizer(msg);\n ByteBuf buf = Unpooled.buffer();\n buf.writeBytes(data);\n out.add(buf);\n }\n\n @Override\n protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List out) {\n byte[] bytes = new byte[msg.readableBytes()];\n msg.readBytes(bytes);\n Object deSerilizer = ObjectSerializerUtils.deSerilizer(bytes);\n out.add(deSerilizer);\n }\n}\n" }, { "path": "spring-boot-netty/netty-commons/src/main/java/org/yyx/netty/util/ObjectSerializerUtils.java", "content": "package org.yyx.netty.util;\n\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.io.*;\n\n/**\n * 对象序列化工具\n *

\n * create by 叶云轩 at 2018/3/3-下午1:43\n * contact by tdg_yyx@foxmail.com\n */\npublic class ObjectSerializerUtils {\n /**\n * ObjectSerializerUtils 日志控制器\n * Create by 叶云轩 at 2018/3/3 下午1:43\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(ObjectSerializerUtils.class);\n\n /**\n * 反序列化\n *\n * @param data\n * @return\n */\n public static Object deSerilizer(byte[] data) {\n if (data != null && data.length > 0) {\n try {\n ByteArrayInputStream bis = new ByteArrayInputStream(data);\n ObjectInputStream ois = new ObjectInputStream(bis);\n return ois.readObject();\n } catch (Exception e) {\n LOGGER.info(\"[异常信息] {}\", e.getMessage());\n e.printStackTrace();\n }\n return null;\n } else {\n LOGGER.info(\"[反序列化] 入参为空\");\n return null;\n }\n }\n\n /**\n * 序列化对象\n *\n * @param obj\n * @return\n */\n public static byte[] serilizer(Object obj) {\n if (obj != null) {\n try {\n ByteArrayOutputStream bos = new ByteArrayOutputStream();\n ObjectOutputStream oos = new ObjectOutputStream(bos);\n oos.writeObject(obj);\n oos.flush();\n oos.close();\n return bos.toByteArray();\n } catch (IOException e) {\n e.printStackTrace();\n }\n return null;\n } else {\n return null;\n }\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/README.md", "content": "# Netty-client\n\n> 该项目源自博主项目中实际应用场景。主要用作RPC通信中的客户端处理。\n\n## 阅读说明\n\n### 阅读顺序：\n\nnetty-client阅读顺序参考以下链条\n\n```java\nNettyConfiguration -> NettyBeanScanner -> PackageClassUtils(工具) -> RPCProxyFactoryBean -> WrapMethodUtils(工具) -> NettyClient -> CustomChannelInitializerClient -> ClientChannelHandlerAdapter\n```\n\n由NettyConfiguration入手，获取配置文件中的相关配置。\n\n### 项目阅读\n\n主要见博客：\n\n[叶云轩的知识库](http://xuan.wp.happyqing.com/2018/09/17/netty%E4%B8%8Espring-boot%E7%9A%84%E6%95%B4%E5%90%88/)、[开源中国](https://my.oschina.net/yzwjyw/blog/1614889)、[CSDN](http://blog.csdn.net/yuanzhenwei521/article/details/79194275)、[博客园](http://www.cnblogs.com/tdg-yyx/p/8376842.html)\n\n**更直接的参见源码注释。**\n\n### 更新说明\n\n------\n\n#### 2018-11-01\n\n1. 添加阅读思路，整理待优化细节\n\n------\n\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/pom.xml", "content": "\n\n 4.0.0\n\n netty-client\n 0.0.1-SNAPSHOT\n jar\n\n netty-client\n netty-client with spring boot\n\n \n org.yyx.netty\n netty-demo\n 0.0.1-SNAPSHOT\n \n\n \n \n org.springframework.boot\n spring-boot-configuration-processor\n true\n \n \n org.yyx.netty\n netty-commons\n 0.0.1-SNAPSHOT\n \n \n\n \n \n \n org.springframework.boot\n spring-boot-maven-plugin\n \n \n \n\n\n\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/NettyClientApplication.java", "content": "package org.yyx.netty;\n\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\n\n/**\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:29\n */\n@SpringBootApplication\npublic class NettyClientApplication {\n\n public static void main(String[] args) {\n SpringApplication.run(NettyClientApplication.class, args);\n }\n}" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/action/MainAction.java", "content": "package org.yyx.netty.action;\n\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.stereotype.Component;\nimport org.yyx.netty.entity.User;\nimport org.yyx.netty.rpc.service.DemoService;\n\nimport javax.annotation.Resource;\n\n/**\n * 主要用来进行模拟测试的类.就不用写接口来进行测试了\n *

\n *\n * @author 叶云轩 at tdg_yyx@foxmail.com\n * @date 2018/11/1-17:05\n */\n@Component\npublic class MainAction {\n\n /**\n * MainAction 日志输出\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MainAction.class);\n\n /**\n * 测试业务\n */\n @Resource\n private DemoService demoService;\n\n /**\n * 真正远程调用的方法\n * @throws InterruptedException interruptedException\n */\n public void call() throws InterruptedException {\n // 用于模拟服务器正常启动后，人工调用远程服务代码\n Thread.sleep(10 * 1000);\n LOGGER.warn(\"[准备进行业务测试]\");\n LOGGER.warn(\"[rpc测试] \");\n int sum = demoService.sum(5, 8);\n LOGGER.warn(\"[rpc测试结果] {}\", sum);\n LOGGER.warn(\"[字符串测试] \");\n String print = demoService.print();\n LOGGER.warn(\"[字符串测试结果] {}\", print);\n LOGGER.warn(\"[对象测试] \");\n User userInfo = demoService.getUserInfo();\n LOGGER.warn(\"[对象测试结果] {}\", userInfo);\n LOGGER.warn(\"[异常测试]\");\n try {\n double division = demoService.division(3, 0);\n LOGGER.warn(\"[异常测试结果] {}\", division);\n } catch (Exception e) {\n LOGGER.error(\"[服务器异常] {}\", e.getMessage());\n }\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/client/NettyClient.java", "content": "package org.yyx.netty.client;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.nio.NioSocketChannel;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n * netty客户端第二个版本\n *

\n *\n * @author 叶云轩 at tdg_yyx@foxmail.com\n * @date 2018/11/1-17:08\n */\npublic class NettyClient {\n /**\n * NettyClient 志控制器\n * Create by 叶云轩 at 2018/3/3 下午2:08\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(NettyClient.class);\n private static int retry = 0;\n /**\n * 初始化Bootstrap实例， 此实例是netty客户端应用开发的入口\n */\n private Bootstrap bootstrap;\n /**\n * 工人线程组\n */\n private EventLoopGroup worker;\n /**\n * 远程端口\n */\n private int port;\n /**\n * 远程服务器url\n */\n private String url;\n /**\n * 默认重连机制为10次\n */\n private int MAX_RETRY_TIMES = 10;\n\n public NettyClient(int port, String url) {\n this.port = port;\n this.url = url;\n bootstrap = new Bootstrap();\n worker = new NioEventLoopGroup();\n bootstrap.group(worker);\n bootstrap.channel(NioSocketChannel.class);\n }\n\n public void start() {\n LOGGER.info(\"{} -> [启动连接] {}:{}\", this.getClass().getName(), url, port);\n bootstrap.handler(new NettyClientHandler());\n ChannelFuture f = bootstrap.connect(url, port);\n try {\n f.channel().closeFuture().sync();\n } catch (InterruptedException e) {\n retry++;\n if (retry > MAX_RETRY_TIMES) {\n throw new RuntimeException(\"调用Wrong\");\n } else {\n try {\n Thread.sleep(100);\n } catch (InterruptedException e1) {\n e1.printStackTrace();\n }\n LOGGER.info(\"第{}次尝试....失败\", retry);\n start();\n }\n }\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/client/NettyClientHandler.java", "content": "package org.yyx.netty.client;\n\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelPipeline;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.handler.codec.LengthFieldBasedFrameDecoder;\nimport io.netty.handler.codec.LengthFieldPrepender;\nimport io.netty.handler.timeout.IdleStateHandler;\nimport org.yyx.netty.util.ObjectCodec;\n\nimport java.util.concurrent.TimeUnit;\n\n/**\n *

\n *\n * @author 叶云轩 at tdg_yyx@foxmail.com\n * @date 2018/11/1-17:17\n */\npublic class NettyClientHandler extends ChannelInitializer {\n\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ChannelPipeline pipeline = ch.pipeline();\n // 基于定长的方式解决粘包/拆包问题\n pipeline.addLast(new LengthFieldPrepender(2));\n pipeline.addLast(new LengthFieldBasedFrameDecoder(1024 * 1024, 0, 2, 0, 2));\n // 序列化方式 可使用 MsgPack 或 Protobuf 进行序列化扩展 具体可参考study-netty项目下的相关使用例子\n pipeline.addLast(new ObjectCodec());\n // 心跳机制\n pipeline.addLast(new IdleStateHandler(3, 10, 0, TimeUnit.SECONDS));\n pipeline.addLast(new NettyClientHandlerAdapter());\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/client/NettyClientHandlerAdapter.java", "content": "package org.yyx.netty.client;\n\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.channel.ChannelPromise;\nimport io.netty.handler.timeout.IdleStateEvent;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.yyx.netty.rpc.util.ChannelUtil;\n\n/**\n * 自定义的NettyClientHandler\n *

\n *\n * @author 叶云轩 at tdg_yyx@foxmail.com\n * @date 2018/11/1-17:20\n */\npublic class NettyClientHandlerAdapter extends ChannelHandlerAdapter {\n\n /**\n * NettyClientHandlerAdapter 日志输出\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(NettyClientHandlerAdapter.class);\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.error(\"{} -> [通道异常] {}\", this.getClass().getName(), ctx.channel().id());\n ChannelUtil.remove(ctx.channel());\n }\n\n @Override\n public void channelActive(ChannelHandlerContext channelHandlerContext) throws Exception {\n LOGGER.info(\"{} -> [连接建立成功] {}\", this.getClass().getName(), channelHandlerContext.channel().id());\n // 注册通道\n ChannelUtil.registerChannel(channelHandlerContext.channel());\n }\n\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n if (!(msg instanceof Exception)) {\n LOGGER.info(\"{} -> [客户端收到的消息] {}\", this.getClass().getName(), msg);\n }\n String longText = ctx.channel().id().asLongText();\n String resultKey = ChannelUtil.getResultKey(longText);\n ChannelUtil.calculateResult(resultKey, msg);\n }\n\n @Override\n public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {\n LOGGER.info(\"{} -> [客户端消息接收完毕] {}\", this.getClass().getName(), ctx.channel().id());\n super.channelReadComplete(ctx);\n boolean active = ctx.channel().isActive();\n LOGGER.info(\"{} -> [此时通道状态] {}\", this.getClass().getName(), active);\n }\n\n @Override\n public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {\n LOGGER.info(\"{} -> [客户端心跳监测发送] 通道编号：{}\", this.getClass().getName(), ctx.channel().id());\n if (evt instanceof IdleStateEvent) {\n ctx.writeAndFlush(\"ping-pong-ping-pong\");\n } else {\n super.userEventTriggered(ctx, evt);\n }\n }\n\n @Override\n public void close(ChannelHandlerContext ctx, ChannelPromise promise) throws Exception {\n LOGGER.info(\"{} -> [关闭通道] {}\", this.getClass().getName(), ctx.channel().id());\n super.close(ctx, promise);\n// ChannelUtil.remove(ctx.channel());\n }\n}" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/client/NettyClientListener.java", "content": "package org.yyx.netty.client;\n\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.boot.CommandLineRunner;\nimport org.springframework.core.annotation.Order;\nimport org.springframework.stereotype.Component;\nimport org.yyx.netty.action.MainAction;\nimport org.yyx.netty.config.NettyConfig;\n\nimport javax.annotation.Resource;\n\n/**\n * netty客户端监听器\n *

\n * 主要用于延迟测试RPC和启动NettyClient\n *\n * @author 叶云轩 at tdg_yyx@foxmail.com\n * @date 2018/11/1-17:03\n */\n@Order(0)\n@Component\npublic class NettyClientListener implements CommandLineRunner {\n /**\n * NettyClientListener 日志输出\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(NettyClientListener.class);\n\n /**\n * netty客户端配置\n */\n @Resource\n private NettyConfig nettyConfig;\n /**\n * 主要用于测试RPC场景的类。集成到自己的业务中就不需要此依赖\n */\n @Resource\n private MainAction mainAction;\n\n @Override\n public void run(String... args) throws Exception {\n LOGGER.info(\"{} -> [准备进行与服务端通信]\", this.getClass().getName());\n // region 模拟RPC场景\n Thread t1 = new Thread(() -> {\n try {\n mainAction.call();\n } catch (InterruptedException e) {\n e.printStackTrace();\n }\n });\n // 使用一个线程模拟Client启动完毕后RPC的场景\n t1.start();\n // endregion\n // 获取服务器监听的端口\n int port = nettyConfig.getPort();\n // 获取服务器IP地址\n String url = nettyConfig.getUrl();\n // 启动NettyClient\n new NettyClient(port, url).start();\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/client/RPCProxyFactoryBean.java", "content": "package org.yyx.netty.client;\n\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.beans.factory.config.AbstractFactoryBean;\nimport org.yyx.netty.entity.MethodInvokeMeta;\nimport org.yyx.netty.exception.ErrorParamsException;\nimport org.yyx.netty.rpc.util.ChannelUtil;\nimport org.yyx.netty.rpc.util.WrapMethodUtils;\n\nimport java.lang.reflect.InvocationHandler;\nimport java.lang.reflect.Method;\nimport java.lang.reflect.Proxy;\nimport java.util.UUID;\n\n/**\n * JDK动态代理类\n *

\n *\n * @author 叶云轩 contact by marquis_xuan@163.com\n * @date 2018/11/1 - 15:49\n */\npublic class RPCProxyFactoryBean extends AbstractFactoryBean implements InvocationHandler {\n /**\n * RPCProxyFactoryBean 日志输出\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(RPCProxyFactoryBean.class);\n /**\n * 远程服务接口\n */\n private Class interfaceClass;\n\n @Override\n public Class getObjectType() {\n return interfaceClass;\n }\n\n /**\n * 创建实例的方法\n *\n * @return 由工厂创建的实例\n */\n @Override\n protected Object createInstance() {\n LOGGER.info(\"[代理工厂] 初始化代理Bean : {}\", interfaceClass);\n // 返回代理类\n return Proxy.newProxyInstance(interfaceClass.getClassLoader(), new Class[]{interfaceClass}, this);\n }\n\n /**\n * 动态调用方法的方法\n * 该方法不会显示调用\n *\n * @param proxy 被代理的实例\n * @param method 调用的方法\n * @param args 参数列表\n * @return 返回值\n */\n @Override\n public Object invoke(Object proxy, Method method, Object[] args) throws ErrorParamsException {\n LOGGER.info(\"{} -> [准备进行远程服务调用] \", this.getClass().getName());\n LOGGER.info(\"{} -> [封装调用信息] \", this.getClass().getName());\n final MethodInvokeMeta methodInvokeMeta = WrapMethodUtils.readMethod(interfaceClass, method, args);\n LOGGER.info(\"{} -> [远程服务调用封装完毕] 调用接口 -> {}\\n调用方法 -> {}\\n参数列表 -> {} \\n 参数类型 -> {}\" +\n \"\\n 返回值类型 -> {}\", this.getClass().getName(), methodInvokeMeta.getInterfaceClass(), methodInvokeMeta.getMethodName()\n , methodInvokeMeta.getArgs(), methodInvokeMeta.getParameterTypes(), methodInvokeMeta.getReturnType());\n // 构造一个时间戳\n String uuid = System.currentTimeMillis() + UUID.randomUUID().toString();\n // 真正开始使用netty进行通信的方法\n ChannelUtil.remoteCall(methodInvokeMeta, uuid);\n Object result;\n do {\n // 接收返回信息\n result = ChannelUtil.getResult(uuid);\n } while (result == null);\n // 服务器有可能返回异常信息，所以在这里可以进行异常处理\n if (result instanceof ErrorParamsException) {\n throw (ErrorParamsException) result;\n }\n return result;\n }\n\n public void setInterfaceClass(Class interfaceClass) {\n this.interfaceClass = interfaceClass;\n }\n\n}" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/config/NettyConfig.java", "content": "package org.yyx.netty.config;\n\nimport lombok.Data;\nimport org.springframework.boot.context.properties.ConfigurationProperties;\nimport org.springframework.stereotype.Component;\n\n/**\n * netty客户端配置\n *

\n *\n * @author 叶云轩 at tdg_yyx@foxmail.com\n * @date 2018/11/1-17:13\n */\n@Component\n@ConfigurationProperties(prefix = \"netty\")\n@Data\npublic class NettyConfig {\n\n private String url;\n\n private int port;\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/config/NettyConfiguration.java", "content": "package org.yyx.netty.config;\n\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.context.annotation.Bean;\nimport org.springframework.context.annotation.Configuration;\nimport org.yyx.netty.rpc.util.NettyBeanScanner;\n\n/**\n * Netty相关的初始化入口\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/7/9 - 上午9:32\n */\n@Configuration\npublic class NettyConfiguration {\n\n /**\n * 初始化加载Netty相关bean的配置方法\n *\n * @param basePackage 配置的包名\n * @param clientName 配置的Netty实例对象名\n * @return NettyBeanScanner\n */\n @Bean\n public static NettyBeanScanner initNettyBeanScanner(@Value(\"${netty.basePackage}\") String basePackage,\n @Value(\"${netty.clientName}\") String clientName) {\n // 创建对象\n return new NettyBeanScanner(basePackage, clientName);\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/rpc/service/DemoService.java", "content": "package org.yyx.netty.rpc.service;\n\nimport org.yyx.netty.entity.User;\nimport org.yyx.netty.exception.ErrorParamsException;\n\n/**\n * 测试Service\n *

\n * create by 叶云轩 at 2018/3/3-下午1:46\n * contact by tdg_yyx@foxmail.com\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:29\n */\npublic interface DemoService {\n\n /**\n * 除法运算\n *\n * @param numberA 第一个数\n * @param numberB 第二个数\n * @return 结果\n */\n double division(int numberA, int numberB) throws ErrorParamsException;\n\n /**\n * 获取用户信息\n *\n * @return 用户信息\n */\n User getUserInfo();\n\n /**\n * 打印方法\n *\n * @return 一个字符串\n */\n String print();\n\n /**\n * 求和方法\n *\n * @param numberA 第一个数\n * @param numberB 第二个数\n * @return 两数之和\n */\n int sum(int numberA, int numberB);\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/rpc/util/ChannelUtil.java", "content": "package org.yyx.netty.rpc.util;\n\nimport io.netty.channel.Channel;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelId;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.yyx.netty.entity.MethodInvokeMeta;\nimport org.yyx.netty.exception.NoUseableChannel;\n\nimport java.util.Iterator;\nimport java.util.Map;\nimport java.util.Set;\nimport java.util.concurrent.ConcurrentHashMap;\nimport java.util.concurrent.ConcurrentSkipListSet;\n\n/**\n * 通道Util\n *

\n *\n * @author 叶云轩 at marquis_xuan@163.com\n * @date 2018/11/2-15:39\n */\npublic class ChannelUtil {\n /**\n * 用于记录c-s连接后建立的通道\n */\n private static final Set CHANNELS = new ConcurrentSkipListSet<>();\n /**\n * ChannelUtil日志输出\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(ChannelUtil.class);\n /**\n * 用于记录通道响应的结果集\n */\n private static final Map RESULT_MAP = new ConcurrentHashMap<>();\n\n private ChannelUtil() {\n }\n\n /**\n * 计算结果集（存储响应结果）\n *\n * @param key 唯一标识\n * @param result 结果集\n */\n public static void calculateResult(String key, Object result) {\n RESULT_MAP.put(key, result);\n }\n\n /**\n * 获取结果集的key\n *\n * @param key 保存的唯一标识\n * @return 结果集的 key (通道标识)\n */\n public static String getResultKey(String key) {\n return (String) getResult(key);\n }\n\n /**\n * 根据结果集的 key 获取结果集\n *\n * @param key 结果集的key\n * @return 结果集\n */\n public static Object getResult(String key) {\n return RESULT_MAP.get(key);\n }\n\n /**\n * 注册通道\n *\n * @param channel 通道\n */\n public static void registerChannel(Channel channel) {\n ChannelId id = channel.id();\n LOGGER.info(\"{} -> [添加通道] {}\", ChannelUtil.class.getName(), id);\n CHANNELS.add(channel);\n }\n\n /**\n * 获取回调结果\n *\n * @param methodInvokeMeta 远程调用方法信息\n * @param key 用于取结果的key值\n */\n public static void remoteCall(MethodInvokeMeta methodInvokeMeta, String key) {\n LOGGER.info(\"{} -> [远程调用] \", ChannelUtil.class.getName());\n Iterator iterator = CHANNELS.iterator();\n Channel channel;\n if (iterator.hasNext()) {\n channel = iterator.next();\n } else {\n LOGGER.error(\"{} -> [没有活跃的通道] \", ChannelUtil.class);\n throw new NoUseableChannel(\"没有活跃的通道\");\n }\n // 将用于获取结果的key保存,以通道id为键\n String channelID = channel.id().asLongText();\n LOGGER.info(\"{} -> [保存获取结果的key] key - {} 通道id - {}\", ChannelUtil.class, key, channelID);\n RESULT_MAP.put(channelID, key);\n ChannelFuture channelFuture = channel.writeAndFlush(methodInvokeMeta);\n// channelFuture.addListener(ChannelFutureListener.CLOSE);\n }\n\n public static void remove(Channel channel) {\n CHANNELS.remove(channel);\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/rpc/util/NettyBeanScanner.java", "content": "package org.yyx.netty.rpc.util;\n\nimport org.springframework.beans.BeansException;\nimport org.springframework.beans.factory.config.BeanFactoryPostProcessor;\nimport org.springframework.beans.factory.config.ConfigurableListableBeanFactory;\nimport org.springframework.beans.factory.support.BeanDefinitionBuilder;\nimport org.springframework.beans.factory.support.DefaultListableBeanFactory;\nimport org.yyx.netty.client.RPCProxyFactoryBean;\n\nimport java.util.List;\n\n/**\n * 主要用于Netty框架初始化远程服务类\n *

\n * BeanFactoryPostProcessor : Spring初始化bean时对外暴露的扩展点,即可以在Spring工厂初始化的时候做点什么，属于Spring知识点\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:28\n */\npublic class NettyBeanScanner implements BeanFactoryPostProcessor {\n\n /**\n * 装载bean的工厂\n */\n private DefaultListableBeanFactory beanFactory;\n /**\n * 包名\n */\n private String basePackage;\n /**\n * bean名（引用名）\n */\n private String clientName;\n\n /**\n * 有参构造\n *\n * @param basePackage 待扫描包名\n * @param clientName netty客户端beanName\n */\n public NettyBeanScanner(String basePackage, String clientName) {\n this.basePackage = basePackage;\n this.clientName = clientName;\n }\n\n\n /**\n * 注册远程接口Bean到Spring的bean工厂\n *\n * @param beanFactory 装载bean的工厂\n * @throws BeansException bean异常\n */\n @Override\n public void postProcessBeanFactory(ConfigurableListableBeanFactory beanFactory) throws BeansException {\n this.beanFactory = (DefaultListableBeanFactory) beanFactory;\n // 从目录中加载远程服务的接口\n List resolverClass = PackageClassUtils.resolver(basePackage);\n for (String clazz : resolverClass) {\n // 获取接口名\n String simpleName;\n // 接口全限定名\n if (clazz.lastIndexOf('.') != -1) {\n simpleName = clazz.substring(clazz.lastIndexOf('.') + 1);\n } else {\n simpleName = clazz;\n }\n // 使用建造者模式创建一个Bean定义\n BeanDefinitionBuilder beanDefinitionBuilder = BeanDefinitionBuilder.genericBeanDefinition(RPCProxyFactoryBean.class);\n // 对应 RPCProxyFactoryBean 类的 interfaceClass 属性\n beanDefinitionBuilder.addPropertyValue(\"interfaceClass\", clazz);\n // 对应 RPCProxyFactoryBean 的nettyClient 属性 -- 已删\n// beanDefinitionBuilder.addPropertyReference(\"nettyClient\", clientName);\n // 注册对bean的定义\n this.beanFactory.registerBeanDefinition(simpleName, beanDefinitionBuilder.getRawBeanDefinition());\n }\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/rpc/util/PackageClassUtils.java", "content": "package org.yyx.netty.rpc.util;\n\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.io.File;\nimport java.util.ArrayList;\nimport java.util.List;\n\n/**\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:28\n */\npublic class PackageClassUtils {\n private final static Logger LOGGER = LoggerFactory.getLogger(PackageClassUtils.class);\n\n /**\n * 获取一个目录下的所有文件\n *\n * @param s\n * @param file\n * @param classStrs\n */\n private static void getAllFile(String s, File file, List classStrs) {\n if (file.isDirectory()) {\n File[] files = file.listFiles();\n if (files != null)\n for (File file1 : files) {\n getAllFile(s, file1, classStrs);\n }\n } else {\n String path = file.getPath();\n String cleanPath = path.replaceAll(\"/\", \".\");\n String fileName = cleanPath.substring(cleanPath.indexOf(s), cleanPath.length());\n LOGGER.info(\"[加载完成] 类文件：{}\", fileName);\n classStrs.add(fileName);\n }\n }\n\n /**\n * 添加全限定类名到集合\n *\n * @param classStrs 集合\n * @return 类名集合\n */\n private static List getClassReferenceList(List classStrs, File file, String s) {\n File[] listFiles = file.listFiles();\n if (listFiles != null && listFiles.length != 0) {\n for (File file2 : listFiles) {\n if (file2.isFile()) {\n String name = file2.getName();\n String fileName = s + \".\" + name.substring(0, name.lastIndexOf('.'));\n LOGGER.info(\"[加载完成] 类文件：{}\", fileName);\n classStrs.add(fileName);\n }\n }\n }\n return classStrs;\n }\n\n /**\n * 解析包参数\n *\n * @param basePackage 包名\n * @return 包名字符串集合\n */\n public static List resolver(String basePackage) {\n // 以\";\"分割开多个包名\n String[] splitFHs = basePackage.split(\";\");\n List classStrs = new ArrayList<>();\n // s: com.yyx.util.*\n for (String s : splitFHs) {\n LOGGER.info(\"[加载类目录] {}\", s);\n // 路径中是否存在\".*\" com.yyx.util.*\n boolean contains = s.contains(\".*\");\n if (contains) {\n // 截断星号 com.yyx.util\n String filePathStr = s.substring(0, s.lastIndexOf(\".*\"));\n // 组装路径 com/yyx/util\n String filePath = filePathStr.replaceAll(\"\\\\.\", \"/\");\n // 获取路径 xxx/classes/com/yyx/util\n File file = new File(PackageClassUtils.class.getResource(\"/\").getPath() + \"/\" + filePath);\n // 获取目录下获取文件\n getAllFile(filePathStr, file, classStrs);\n } else {\n String filePath = s.replaceAll(\"\\\\.\", \"/\");\n File file = new File(PackageClassUtils.class.getResource(\"/\").getPath() + \"/\" + filePath);\n classStrs = getClassReferenceList(classStrs, file, s);\n }\n }\n return classStrs;\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/rpc/util/RemoteMethodInvokeUtil.java", "content": "package org.yyx.netty.rpc.util;\n\nimport org.springframework.beans.BeansException;\nimport org.springframework.context.ApplicationContext;\nimport org.springframework.context.ApplicationContextAware;\nimport org.yyx.netty.entity.MethodInvokeMeta;\n\nimport java.lang.reflect.InvocationTargetException;\nimport java.lang.reflect.Method;\n\n/**\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:28\n */\npublic class RemoteMethodInvokeUtil implements ApplicationContextAware {\n\n private ApplicationContext applicationContext;\n\n public Object processMethod(MethodInvokeMeta methodInvokeMeta) throws InvocationTargetException, IllegalAccessException {\n Class interfaceClass = methodInvokeMeta.getInterfaceClass();\n Object bean = applicationContext.getBean(interfaceClass);\n Method[] declaredMethods = interfaceClass.getDeclaredMethods();\n Method method = null;\n for (Method declaredMethod : declaredMethods) {\n if (methodInvokeMeta.getMethodName().equals(declaredMethod.getName())) {\n method = declaredMethod;\n }\n }\n Object invoke = method.invoke(bean, methodInvokeMeta.getArgs());\n return invoke;\n }\n\n @Override\n public void setApplicationContext(ApplicationContext app) throws BeansException {\n applicationContext = app;\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/java/org/yyx/netty/rpc/util/WrapMethodUtils.java", "content": "package org.yyx.netty.rpc.util;\n\n\nimport org.yyx.netty.entity.MethodInvokeMeta;\n\nimport java.lang.reflect.Method;\n\n/**\n * 封装接口调用的工具\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:27\n */\npublic class WrapMethodUtils {\n /**\n * 封装 method 的元数据信息\n *\n * @param interfaceClass 接口类\n * @param method 方法\n * @param args 参数列表\n * @return 封装的对象\n */\n public static MethodInvokeMeta readMethod(Class interfaceClass, Method method, Object[] args) {\n MethodInvokeMeta methodInvokeMeta = new MethodInvokeMeta();\n methodInvokeMeta.setInterfaceClass(interfaceClass);\n methodInvokeMeta.setArgs(args);\n methodInvokeMeta.setMethodName(method.getName());\n methodInvokeMeta.setReturnType(method.getReturnType());\n Class[] parameterTypes = method.getParameterTypes();\n methodInvokeMeta.setParameterTypes(parameterTypes);\n return methodInvokeMeta;\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/main/resources/application.yml", "content": "netty:\n port: 12345\n basePackage: org.yyx.netty.rpc.service;\n clientName: nettyClient\n url: 127.0.0.1" }, { "path": "spring-boot-netty/netty-demo/netty-client/src/test/java/org/yyx/netty/client/NettyClientApplicationTests.java", "content": "package org.yyx.netty.client;\n\nimport org.junit.Test;\nimport org.junit.runner.RunWith;\nimport org.springframework.boot.test.context.SpringBootTest;\nimport org.springframework.test.context.junit4.SpringRunner;\n\n@RunWith(SpringRunner.class)\n@SpringBootTest\npublic class NettyClientApplicationTests {\n\n\t@Test\n\tpublic void contextLoads() {\n\t}\n\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/README.md", "content": "# netty-server\n>博文源码,基于SOA架构的服务端,使用Netty做RPC通信.\n\n这是一个Netty服务端与SpringBoot集成的Demo." }, { "path": "spring-boot-netty/netty-demo/netty-server/pom.xml", "content": "\n\n 4.0.0\n\n netty-server\n 0.0.1-SNAPSHOT\n jar\n\n netty-server\n \n 基于SpringBoot的Netty服务端整合代码\n \n\n \n org.yyx.netty\n netty-demo\n 0.0.1-SNAPSHOT\n \n\n\n \n \n \n org.springframework.boot\n spring-boot-configuration-processor\n true\n \n \n org.yyx.netty\n netty-commons\n 0.0.1-SNAPSHOT\n \n \n \n\n\n \n \n \n org.springframework.boot\n spring-boot-maven-plugin\n \n \n \n\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/java/org/yyx/netty/NettyServerApplication.java", "content": "package org.yyx.netty;\n\nimport org.springframework.boot.CommandLineRunner;\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\nimport org.yyx.netty.server.listener.NettyServerListener;\n\nimport javax.annotation.Resource;\n\n/**\n * Netty服务器启动类\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/7/9 - 上午9:33\n */\n@SpringBootApplication\npublic class NettyServerApplication implements CommandLineRunner {\n\n @Resource\n private NettyServerListener nettyServerListener;\n\n public static void main(String[] args) {\n SpringApplication.run(NettyServerApplication.class, args);\n }\n\n @Override\n public void run(String... args) {\n nettyServerListener.start();\n }\n}" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/java/org/yyx/netty/rpc/service/DemoService.java", "content": "package org.yyx.netty.rpc.service;\n\n\nimport org.yyx.netty.entity.User;\nimport org.yyx.netty.exception.ErrorParamsException;\n\n/**\n * 测试Service\n *

\n * create by 叶云轩 at 2018/3/3-下午1:46\n * contact by tdg_yyx@foxmail.com\n */\npublic interface DemoService {\n\n /**\n * 除法运算\n *\n * @param numberA 第一个数\n * @param numberB 第二个数\n * @return 结果\n */\n double division(int numberA, int numberB) throws ErrorParamsException;\n\n /**\n * 获取用户信息\n *\n * @return 用户信息\n */\n User getUserInfo();\n\n /**\n * 打印方法\n *\n * @return 一个字符串\n */\n String print();\n\n /**\n * 求和方法\n *\n * @param numberA 第一个数\n * @param numberB 第二个数\n * @return 两数之和\n */\n int sum(int numberA, int numberB);\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/java/org/yyx/netty/server/adapter/ServerChannelHandlerAdapter.java", "content": "package org.yyx.netty.server.adapter;\n\nimport io.netty.channel.ChannelHandler.Sharable;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.handler.timeout.IdleState;\nimport io.netty.handler.timeout.IdleStateEvent;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.stereotype.Component;\nimport org.yyx.netty.entity.MethodInvokeMeta;\nimport org.yyx.netty.server.dispatcher.RequestDispatcher;\n\nimport javax.annotation.Resource;\n\n/**\n * NettyServer通道适配器\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/7/9 - 上午9:39\n */\n@Component\n@Sharable\npublic class ServerChannelHandlerAdapter extends ChannelHandlerAdapter {\n /**\n * ServerChannelHandlerAdapter 日志控制器\n * Create by 叶云轩 at 2018/3/3 下午1:25\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(ServerChannelHandlerAdapter.class);\n /**\n * 注入请求分排器\n */\n @Resource\n private RequestDispatcher dispatcher;\n private int lossConnectCount = 0;\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {\n LOGGER.error(\"{} -> [连接异常] {}通道异常，异常原因：{}\", this.getClass().getName(),\n ctx.channel().id(), cause.getMessage());\n ctx.close();\n }\n\n /**\n * 服务器接收到消息时进行进行的处理\n *\n * @param channelHandlerContext channelHandlerContext\n * @param msg msg\n */\n @Override\n public void channelRead(ChannelHandlerContext channelHandlerContext, Object msg) {\n if (msg instanceof String) {\n if (\"ping-pong-ping-pong\".equals(msg)) {\n LOGGER.info(\"{} -> [心跳监测] {}：通道活跃\", this.getClass().getName(), channelHandlerContext.channel().id());\n // 心跳消息\n lossConnectCount = 0;\n return;\n }\n }\n // 转换为MethodInvokeMeta\n MethodInvokeMeta invokeMeta = (MethodInvokeMeta) msg;\n LOGGER.info(\"{} -> [客户端信息] \\n 方法名 - > {} \\n 参数列表 -> {} \\n \" +\n \"返回值 -> {} \", this.getClass().getName(), invokeMeta.getMethodName(), invokeMeta.getArgs()\n , invokeMeta.getReturnType());\n // 具体的处理类\n this.dispatcher.dispatcher(channelHandlerContext, invokeMeta);\n }\n\n /**\n * 触发器\n *\n * @param channelHandlerContext channelHandlerContext\n * @param evt\n * @throws Exception exception\n */\n @Override\n public void userEventTriggered(ChannelHandlerContext channelHandlerContext, Object evt) throws Exception {\n LOGGER.info(\"{} -> [已经有5秒中没有接收到客户端的消息了]\", this.getClass().getName());\n if (evt instanceof IdleStateEvent) {\n IdleStateEvent idleStateEvent = (IdleStateEvent) evt;\n if (idleStateEvent.state() == IdleState.READER_IDLE) {\n lossConnectCount++;\n if (lossConnectCount > 2) {\n LOGGER.info(\"{} -> [释放不活跃通道] {}\", this.getClass().getName(), channelHandlerContext.channel().id());\n channelHandlerContext.channel().close();\n }\n }\n } else {\n super.userEventTriggered(channelHandlerContext, evt);\n }\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/java/org/yyx/netty/server/config/NettyServerConfig.java", "content": "package org.yyx.netty.server.config;\n\nimport org.springframework.boot.context.properties.ConfigurationProperties;\nimport org.springframework.stereotype.Component;\n\n/**\n * Netty服务器配置信息\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/7/9 - 上午9:39\n */\n@Component\n@ConfigurationProperties(prefix = \"netty\")\npublic class NettyServerConfig {\n\n /**\n * 端口\n */\n private int port;\n /**\n * 最大线程数\n */\n private int maxThreads;\n /**\n * 最大数据包长度\n */\n private int maxFrameLength;\n\n public int getPort() {\n return port;\n }\n\n public void setPort(int port) {\n this.port = port;\n }\n\n public int getMaxThreads() {\n return maxThreads;\n }\n\n public void setMaxThreads(int maxThreads) {\n this.maxThreads = maxThreads;\n }\n\n public int getMaxFrameLength() {\n return maxFrameLength;\n }\n\n public void setMaxFrameLength(int maxFrameLength) {\n this.maxFrameLength = maxFrameLength;\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/java/org/yyx/netty/server/dispatcher/RequestDispatcher.java", "content": "package org.yyx.netty.server.dispatcher;\n\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelFutureListener;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.beans.BeansException;\nimport org.springframework.context.ApplicationContext;\nimport org.springframework.context.ApplicationContextAware;\nimport org.springframework.stereotype.Component;\nimport org.yyx.netty.entity.MethodInvokeMeta;\nimport org.yyx.netty.entity.NullWritable;\nimport org.yyx.netty.exception.ErrorParamsException;\n\nimport java.lang.reflect.InvocationTargetException;\nimport java.lang.reflect.Method;\n\n/**\n * 请求分排器\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/7/9 - 上午9:37\n */\n@Component\npublic class RequestDispatcher implements ApplicationContextAware {\n\n /**\n * RequestDispatcher 日志输出\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(RequestDispatcher.class);\n /**\n * Spring上下文\n */\n private ApplicationContext applicationContext;\n\n /**\n * 发送\n *\n * @param channelHandlerContext channelHandlerContext\n * @param invokeMeta invokeMeta:用于记录远程调用的服务信息，即调用哪个接口中的哪个方法\n */\n public void dispatcher(final ChannelHandlerContext channelHandlerContext, final MethodInvokeMeta invokeMeta) {\n ChannelFuture channelFuture = null;\n // 指向的接口类\n Class interfaceClass = invokeMeta.getInterfaceClass();\n // 所调用的方法名\n String name = invokeMeta.getMethodName();\n // 方法的参数列表\n Object[] args = invokeMeta.getArgs();\n // 方法的参数列表按顺序对应的类型\n Class[] parameterTypes = invokeMeta.getParameterTypes();\n // 通过Spring获取实际对象\n Object targetObject = this.applicationContext.getBean(interfaceClass);\n // 声明调用的方法对象\n Method method;\n try {\n // 获取调用的方法对象\n method = targetObject.getClass().getMethod(name, parameterTypes);\n } catch (NoSuchMethodException e) {\n // 尚未执行方法调用出现异常\n LOGGER.error(\"[获取远程方法异常] {}\", e.getMessage());\n // 响应给客户端\n channelFuture = channelHandlerContext.writeAndFlush(e);\n return;\n } finally {\n if (channelFuture != null) {\n channelFuture.addListener(ChannelFutureListener.CLOSE);\n }\n }\n try {\n // 执行方法\n Object result = method.invoke(targetObject, args);\n if (result == null) {\n // 方法没有返回值，返回NullWritable对象\n LOGGER.info(\"{} -> [方法没有返回值，返回NullWritable对象]\", this.getClass().getName());\n channelFuture = channelHandlerContext.writeAndFlush(NullWritable.nullWritable());\n } else {\n // 将方法执行结果写入到Channel\n LOGGER.info(\"{} -> [返回结果] {}\", this.getClass().getName(), result);\n channelFuture = channelHandlerContext.writeAndFlush(result);\n }\n /*\n 虽然可以通过ChannelFuture的get()方法获取异步操作的结果,但完成时间是无法预测的,若不设置超时时间则有可能导致线程长时间被阻塞;\n 若是不能精确的设置超时时间则可能导致I/O操作中断.\n 因此,Netty建议通过GenericFutureListener接口执行异步操作结束后的回调.\n */\n /// ChannelFutureListener.CLOSE = new ChannelFutureListener() {\n /// @Override\n /// public void operationComplete(ChannelFuture future) {\n /// future.channel().close();\n /// }\n /// };\n } catch (Exception e) {\n Throwable targetException = ((InvocationTargetException) e).getTargetException();\n LOGGER.error(\"{} -> [方法执行异常] {}\", this.getClass().getName());\n if (targetException instanceof ErrorParamsException) {\n LOGGER.error(\"{} -> [异常信息] {}\", this.getClass().getName(), targetException.getMessage());\n }\n channelFuture = channelHandlerContext.writeAndFlush(targetException);\n } finally {\n if (channelFuture != null) {\n// channelFuture.addListener(ChannelFutureListener.CLOSE);\n }\n }\n }\n\n @Override\n public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {\n this.applicationContext = applicationContext;\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/java/org/yyx/netty/server/impl/DemoServiceImpl.java", "content": "package org.yyx.netty.server.impl;\n\nimport org.springframework.stereotype.Service;\nimport org.yyx.netty.entity.User;\nimport org.yyx.netty.exception.ErrorParamsException;\nimport org.yyx.netty.rpc.service.DemoService;\n\n/**\n * 测试Service实现类\n *

\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/7/9 - 上午9:36\n */\n@Service\npublic class DemoServiceImpl implements DemoService {\n\n @Override\n public double division(int numberA, int numberB) throws ErrorParamsException {\n if (numberB == 0) {\n throw new ErrorParamsException(\"除数不能为0\");\n }\n return numberA / numberB;\n }\n\n @Override\n public User getUserInfo() {\n User leader = new User();\n leader.setId(1);\n leader.setName(\"上级\");\n leader.setSource(100);\n User user = new User();\n user.setSource(80);\n user.setId(0);\n user.setName(\"基层\");\n user.setLeader(leader);\n return user;\n }\n\n @Override\n public String print() {\n return \"这是来自服务器中DemoService接口的print方法打印的消息\";\n }\n\n @Override\n public int sum(int numberA, int numberB) {\n return numberA + numberB;\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/java/org/yyx/netty/server/listener/NettyServerListener.java", "content": "package org.yyx.netty.server.listener;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.ChannelPipeline;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport io.netty.handler.codec.LengthFieldBasedFrameDecoder;\nimport io.netty.handler.codec.LengthFieldPrepender;\nimport io.netty.handler.logging.LogLevel;\nimport io.netty.handler.logging.LoggingHandler;\nimport io.netty.handler.timeout.IdleStateHandler;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.springframework.stereotype.Component;\nimport org.yyx.netty.server.adapter.ServerChannelHandlerAdapter;\nimport org.yyx.netty.server.config.NettyServerConfig;\nimport org.yyx.netty.util.ObjectCodec;\n\nimport javax.annotation.PreDestroy;\nimport javax.annotation.Resource;\nimport java.util.concurrent.TimeUnit;\n\n/**\n * Netty服务器监听器\n *

\n * create by 叶云轩 at 2018/3/3-下午12:21\n * contact by tdg_yyx@foxmail.com\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:26\n */\n@Component\npublic class NettyServerListener {\n /**\n * NettyServerListener 日志控制器\n * Create by 叶云轩 at 2018/3/3 下午12:21\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(NettyServerListener.class);\n\n /**\n * 创建bootstrap\n */\n private ServerBootstrap serverBootstrap = new ServerBootstrap();\n /**\n * BOSS\n */\n private EventLoopGroup boss = new NioEventLoopGroup();\n /**\n * Worker\n */\n private EventLoopGroup work = new NioEventLoopGroup();\n /**\n * 通道适配器\n */\n @Resource\n private ServerChannelHandlerAdapter channelHandlerAdapter;\n /**\n * NETT服务器配置类\n */\n @Resource\n private NettyServerConfig nettyConfig;\n\n /**\n * 关闭服务器方法\n */\n @PreDestroy\n public void close() {\n LOGGER.info(\"关闭服务器....\");\n //优雅退出\n boss.shutdownGracefully();\n work.shutdownGracefully();\n }\n\n /**\n * 开启及服务线程\n */\n public void start() {\n // 从配置文件中(application.yml)获取服务端监听端口号\n int port = nettyConfig.getPort();\n serverBootstrap.group(boss, work)\n .channel(NioServerSocketChannel.class)\n .option(ChannelOption.SO_BACKLOG, 100)\n .handler(new LoggingHandler(LogLevel.INFO));\n try {\n //设置事件处理\n serverBootstrap.childHandler(new ChannelInitializer() {\n @Override\n protected void initChannel(SocketChannel ch) {\n ChannelPipeline pipeline = ch.pipeline();\n // 添加心跳支持\n pipeline.addLast(new IdleStateHandler(5, 0, 0, TimeUnit.SECONDS));\n // 基于定长的方式解决粘包/拆包问题\n pipeline.addLast(new LengthFieldBasedFrameDecoder(nettyConfig.getMaxFrameLength()\n , 0, 2, 0, 2));\n pipeline.addLast(new LengthFieldPrepender(2));\n // 序列化\n pipeline.addLast(new ObjectCodec());\n pipeline.addLast(channelHandlerAdapter);\n }\n });\n LOGGER.info(\"netty服务器在[{}]端口启动监听\", port);\n ChannelFuture f = serverBootstrap.bind(port).sync();\n f.channel().closeFuture().sync();\n } catch (InterruptedException e) {\n LOGGER.info(\"[出现异常] 释放资源\");\n boss.shutdownGracefully();\n work.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/main/resources/application.yml", "content": "# netty配置\nnetty:\n # 端口号\n port: 12345\n # 最大线程数\n maxThreads: 1024\n # 数据包的最大长度\n max_frame_length: 65535" }, { "path": "spring-boot-netty/netty-demo/netty-server/src/test/java/org/yyx/netty/NettyServerApplicationTests.java", "content": "package org.yyx.netty;\n\nimport org.junit.Test;\nimport org.junit.runner.RunWith;\nimport org.springframework.boot.test.context.SpringBootTest;\nimport org.springframework.test.context.junit4.SpringRunner;\n\n@RunWith(SpringRunner.class)\n@SpringBootTest\npublic class NettyServerApplicationTests {\n\n\t@Test\n\tpublic void contextLoads() {\n\t}\n\n}\n" }, { "path": "spring-boot-netty/netty-demo/pom.xml", "content": "\n\n 4.0.0\n\n netty-demo\n 0.0.1-SNAPSHOT\n pom\n\n netty-demo\n 可以正常使用的Netty与SpringBoot集成的Demo\n\n \n org.yyx.netty\n spring-boot-netty\n 0.0.1-SNAPSHOT\n \n\n \n netty-server\n netty-client\n \n\n \n UTF-8\n UTF-8\n 1.8\n \n\n \n\n \n\n\n \n \n \n org.springframework.boot\n spring-boot-maven-plugin\n \n \n \n\n\n\n" }, { "path": "spring-boot-netty/pom.xml", "content": "\n\n 4.0.0\n\n org.yyx.netty\n spring-boot-netty\n 0.0.1-SNAPSHOT\n pom\n\n spring-boot-netty\n \n Netty 学习之路\n netty-server是基于Netty开发的一款Server端代码\n netty-client是基于Netty开发的一款Client端代码\n study-netty是学习Netty的相关Demo，记录了从0到1的整合过程等\n \n\n \n study-netty\n netty-commons\n netty-demo\n \n\n \n org.springframework.boot\n spring-boot-starter-parent\n 2.0.1.RELEASE\n \n\n \n UTF-8\n UTF-8\n 1.8\n 5.0.0.Alpha2\n 1.16.20\n 0.6.12\n 1.2.47\n 2.0.5.Final\n \n\n \n \n \n org.springframework.boot\n spring-boot-starter\n \n \n \n \n org.springframework.boot\n spring-boot-starter-test\n test\n \n \n \n \n io.netty\n netty-all\n ${netty}\n \n \n \n \n org.projectlombok\n lombok\n ${lombok}\n \n \n \n \n \n org.jboss.marshalling\n jboss-marshalling\n ${jboss.marshalling}\n \n \n \n \n org.msgpack\n msgpack\n ${msgpack}\n \n \n \n \n com.alibaba\n fastjson\n ${fastjson}\n \n \n \n\n \n \n \n org.springframework.boot\n spring-boot-maven-plugin\n \n \n \n\n" }, { "path": "spring-boot-netty/study-netty/pom.xml", "content": "\n\n 4.0.0\n\n study-netty\n 0.0.1-SNAPSHOT\n pom\n\n study-netty\n study netty\n\n \n study-server\n study-client\n \n\n \n org.yyx.netty\n spring-boot-netty\n 0.0.1-SNAPSHOT\n \n\n \n \n org.yyx.netty\n netty-commons\n 0.0.1-SNAPSHOT\n \n \n\n \n \n \n org.springframework.boot\n spring-boot-maven-plugin\n \n \n \n\n\n\n" }, { "path": "spring-boot-netty/study-netty/study-client/pom.xml", "content": "\n\n\t4.0.0\n\n\n\tstudy-client\n\t0.0.1-SNAPSHOT\n\tjar\n\n\tstudy-client\n\tDemo project for Spring Boot\n\n\t\n\t\torg.yyx.netty\n\t\tstudy-netty\n\t\t0.0.1-SNAPSHOT\n\t\n\n\n\t\n\t\t\n\t\t\t\n\t\t\t\torg.springframework.boot\n\t\t\t\tspring-boot-maven-plugin\n\t\t\t\n\t\t\n\t\n\n\n\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/StudyClientApplication.java", "content": "package org.yyx.netty.study;\n\nimport org.springframework.boot.CommandLineRunner;\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\n\n@SpringBootApplication\npublic class StudyClientApplication implements CommandLineRunner {\n\n public static void main(String[] args) {\n SpringApplication.run(StudyClientApplication.class, args);\n }\n\n @Override\n public void run(String... args) throws Exception {\n\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/codec/msgpack/MsgPackDecoder.java", "content": "package org.yyx.netty.study.codec.msgpack;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.handler.codec.MessageToMessageDecoder;\nimport org.msgpack.MessagePack;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.util.List;\n\n/**\n * MsgPack解码器\n *

\n * create by 叶云轩 at 2018/4/12-下午7:31\n * contact by tdg_yyx@foxmail.com\n */\npublic class MsgPackDecoder extends MessageToMessageDecoder {\n /**\n * MsgPackDecoder 日志控制器\n * Create by 叶云轩 at 2018/5/3 下午3:19\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MsgPackDecoder.class);\n\n @Override\n protected void decode(ChannelHandlerContext ctx, ByteBuf msg, List out) throws Exception {\n final byte[] array;\n final int length = msg.readableBytes();\n array = new byte[length];\n msg.getBytes(msg.readerIndex(), array, 0, length);\n MessagePack messagePack = new MessagePack();\n out.add(messagePack.read(array));\n }\n\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/codec/msgpack/MsgPackEncoder.java", "content": "package org.yyx.netty.study.codec.msgpack;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.handler.codec.MessageToByteEncoder;\nimport org.msgpack.MessagePack;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.io.IOException;\n\n/**\n * MsgPack编码器\n *

\n * create by 叶云轩 at 2018/4/12-下午7:29\n * contact by tdg_yyx@foxmail.com\n */\npublic class MsgPackEncoder extends MessageToByteEncoder {\n\n /**\n * MsgPackEncoder 日志控制器\n * Create by 叶云轩 at 2018/5/3 下午3:18\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MsgPackEncoder.class);\n\n @Override\n protected void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) throws Exception {\n MessagePack messagePack = new MessagePack();\n // 序列化\n byte[] write = new byte[0];\n try {\n write = messagePack.write(msg);\n } catch (IOException e) {\n e.printStackTrace();\n }\n out.writeBytes(write);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/echo/delimiter/EchoClient.java", "content": "package org.yyx.netty.study.echo.delimiter;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport io.netty.channel.socket.nio.NioSocketChannel;\nimport io.netty.handler.codec.DelimiterBasedFrameDecoder;\nimport io.netty.handler.codec.string.StringDecoder;\n\n/**\n * MessagePackClient\n *

\n * create by 叶云轩 at 2018/4/12-下午4:28\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoClient {\n\n public void connect(int port, String host) throws Exception {\n EventLoopGroup group = new NioEventLoopGroup();\n try {\n Bootstrap bootstrap = new Bootstrap();\n bootstrap.group(group).channel(NioSocketChannel.class)\n .option(ChannelOption.TCP_NODELAY, true)\n .handler(new ChannelInitializer() {\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ByteBuf delimiter = Unpooled.copiedBuffer(\"$_$\".getBytes());\n ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, delimiter));\n ch.pipeline().addLast(new StringDecoder());\n ch.pipeline().addLast(new EchoClientHandler());\n }\n });\n ChannelFuture future = bootstrap.connect(host,port).sync();\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n group.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/echo/delimiter/EchoClientHandler.java", "content": "package org.yyx.netty.study.echo.delimiter;\n\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-下午4:57\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoClientHandler extends ChannelHandlerAdapter {\n static final String ECHO_REQ = \"Hi,Welcome to Netty World.$_$\";\n /**\n * MessagePackClientHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:57\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(EchoClientHandler.class);\n /**\n * 计数器\n */\n private int counter;\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.error(\"--- [异常] {}\", cause.getMessage());\n ctx.close();\n }\n\n @Override\n public void channelActive(ChannelHandlerContext ctx) throws Exception {\n for (int i = 0; i < 10; i++) {\n ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes()));\n }\n }\n\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n LOGGER.info(\"--- [第{}次接收到服务器的消息] {} | [消息] {}\", ++counter, msg);\n }\n\n @Override\n public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {\n ctx.flush();\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/echo/fixlength/EchoClient.java", "content": "package org.yyx.netty.study.echo.fixlength;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioSocketChannel;\nimport io.netty.handler.codec.FixedLengthFrameDecoder;\nimport io.netty.handler.codec.string.StringDecoder;\n\n/**\n * MessagePackClient\n *

\n * create by 叶云轩 at 2018/4/12-下午4:28\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoClient {\n\n public void connect(int port, String host) throws Exception {\n EventLoopGroup group = new NioEventLoopGroup();\n try {\n Bootstrap bootstrap = new Bootstrap();\n bootstrap.group(group).channel(NioSocketChannel.class)\n .option(ChannelOption.TCP_NODELAY, true)\n .handler(new ChannelInitializer() {\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ByteBuf delimiter = Unpooled.copiedBuffer(\"$_$\".getBytes());\n ch.pipeline().addLast(new FixedLengthFrameDecoder(20));\n ch.pipeline().addLast(new StringDecoder());\n ch.pipeline().addLast(new EchoClientHandler());\n }\n });\n ChannelFuture future = bootstrap.connect(host, port).sync();\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n group.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/echo/fixlength/EchoClientHandler.java", "content": "package org.yyx.netty.study.echo.fixlength;\n\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-下午4:57\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoClientHandler extends ChannelHandlerAdapter {\n static final String ECHO_REQ = \"Hi,Welcome to Netty World.$_$\";\n /**\n * MessagePackClientHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:57\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(EchoClientHandler.class);\n /**\n * 计数器\n */\n private int counter;\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.error(\"--- [异常] {}\", cause.getMessage());\n ctx.close();\n }\n\n @Override\n public void channelActive(ChannelHandlerContext ctx) throws Exception {\n for (int i = 0; i < 10; i++) {\n ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes()));\n }\n }\n\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n LOGGER.info(\"--- [第{}次接收到服务器的消息] {} | [消息] {}\", ++counter, msg);\n }\n\n @Override\n public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {\n ctx.flush();\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/echo/megpack/MessagePackClient.java", "content": "package org.yyx.netty.study.echo.megpack;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioSocketChannel;\nimport io.netty.handler.logging.LogLevel;\nimport io.netty.handler.logging.LoggingHandler;\nimport org.yyx.netty.study.codec.msgpack.MsgPackDecoder;\nimport org.yyx.netty.study.codec.msgpack.MsgPackEncoder;\n\n/**\n * MessagePackClient\n *

\n * create by 叶云轩 at 2018/4/12-下午4:28\n * contact by tdg_yyx@foxmail.com\n */\npublic class MessagePackClient {\n\n /**\n * 客户端连接方法\n *\n * @param port 端口号\n * @param host 主机名\n *\n * @throws Exception 异常\n */\n public void connect(int port, String host, int sendNumber) throws Exception {\n EventLoopGroup group = new NioEventLoopGroup();\n try {\n Bootstrap bootstrap = new Bootstrap();\n bootstrap.group(group).channel(NioSocketChannel.class)\n .handler(new ChannelInitializer() {\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO));\n// ch.pipeline().addLast(new LengthFieldPrepender(2));\n ch.pipeline().addLast(new MsgPackEncoder());\n// ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(65535, 0, 2, 0, 2));\n ch.pipeline().addLast(new MsgPackDecoder());\n ch.pipeline().addLast(new MessagePackClientHandler(sendNumber));\n }\n });\n ChannelFuture future = bootstrap.connect(host, port).sync();\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n group.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/echo/megpack/MessagePackClientHandler.java", "content": "package org.yyx.netty.study.echo.megpack;\n\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.yyx.netty.entity.User;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-下午4:57\n * contact by tdg_yyx@foxmail.com\n */\npublic class MessagePackClientHandler extends ChannelHandlerAdapter {\n\n /**\n * MessagePackClientHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:57\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MessagePackClientHandler.class);\n\n private final int sendNumber;\n\n public MessagePackClientHandler(int sendNumber) {\n this.sendNumber = sendNumber;\n }\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {\n LOGGER.error(\"--- [异常] {}\", cause.getMessage());\n ctx.close();\n }\n\n @Override\n public void channelActive(ChannelHandlerContext ctx) {\n User[] userInfo = UserInfo();\n ctx.writeAndFlush(userInfo);\n for (User info : userInfo) {\n ctx.write(info);\n }\n ctx.flush();\n }\n\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) {\n LOGGER.info(\"--- [收到服务器的消息] {}\", msg);\n }\n\n @Override\n public void channelReadComplete(ChannelHandlerContext ctx) {\n ctx.flush();\n }\n\n private User[] UserInfo() {\n User[] users = new User[sendNumber];\n User user;\n for (int i = 0; i < sendNumber; i++) {\n user = new User();\n user.setId(i);\n user.setName(\"YYX --->\" + i);\n users[i] = user;\n }\n return users;\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/time/demo1/TimeClient.java", "content": "package org.yyx.netty.study.time.demo1;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioSocketChannel;\n\n/**\n * Netty时间服务器客户端\n *

\n * create by 叶云轩 at 2018/4/12-上午9:53\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeClient {\n\n public void connect(int port, String host) throws Exception {\n // 配置客户端的NIO线程组\n EventLoopGroup clientGroup = new NioEventLoopGroup();\n try {\n // Client辅助启动类\n Bootstrap bootstrap = new Bootstrap();\n // 配置bootstrap\n bootstrap.group(clientGroup)\n .channel(NioSocketChannel.class)\n .option(ChannelOption.TCP_NODELAY, true)\n .handler(new ChannelInitializer() {\n /**\n * 创建NioSocketChannel成功之后，进行初始化时，\n * 将ChannelHandler设置到ChannelPipeline中，\n * 同样，用于处理网络I/O事件\n * @param ch\n * @throws Exception\n */\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ch.pipeline().addLast(new TimeClientHandler());\n }\n });\n // 发起异步连接操作 同步方法待成功\n ChannelFuture future = bootstrap.connect(host, port).sync();\n // 等待客户端链路关闭\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放NIO线程组\n clientGroup.shutdownGracefully();\n }\n\n\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/time/demo1/TimeClientHandler.java", "content": "package org.yyx.netty.study.time.demo1;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-上午10:16\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeClientHandler extends ChannelHandlerAdapter {\n\n /**\n * TimeClientHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午10:16\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeClientHandler.class);\n /**\n *\n */\n private final ByteBuf firstMessage;\n /**\n *\n */\n private byte[] req;\n\n public TimeClientHandler() {\n byte[] req = \"QUERY TIME ORDER\".getBytes();\n firstMessage = Unpooled.buffer(req.length);\n firstMessage.writeBytes(req);\n }\n\n /**\n * 捕捉异常\n *\n * @param ctx\n * @param cause\n *\n * @throws Exception\n */\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.warn(\"--- [异常，释放资源] {}\", cause.getMessage());\n ctx.close();\n }\n\n /**\n * 当客户端和服务端TCP链路建立成功之后调用此方法\n * 发送指令给服务端,调用ChannelHandlerContext.writeAndFlush方法将请求消息发送给服务端\n *\n * @param ctx\n *\n * @throws Exception\n */\n @Override\n public void channelActive(ChannelHandlerContext ctx) throws Exception {\n ctx.writeAndFlush(firstMessage);\n }\n\n /**\n * 服务端返回应答消息时，调用此方法\n *\n * @param ctx\n * @param msg\n *\n * @throws Exception\n */\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n ByteBuf byteBuf = (ByteBuf) msg;\n byte[] request = new byte[byteBuf.readableBytes()];\n byteBuf.readBytes(request);\n String body = new String(request, \"utf-8\");\n LOGGER.info(\"--- [Now is] {}\", body);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/time/demo2/TimeClient.java", "content": "package org.yyx.netty.study.time.demo2;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioSocketChannel;\n\n/**\n * Netty时间服务器客户端\n *

\n * create by 叶云轩 at 2018/4/12-上午9:53\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeClient {\n\n public void connect(int port, String host) throws Exception {\n // 配置客户端的NIO线程组\n EventLoopGroup clientGroup = new NioEventLoopGroup();\n try {\n // Client辅助启动类\n Bootstrap bootstrap = new Bootstrap();\n // 配置bootstrap\n bootstrap.group(clientGroup)\n .channel(NioSocketChannel.class)\n .option(ChannelOption.TCP_NODELAY, true)\n .handler(new ChannelInitializer() {\n /**\n * 创建NioSocketChannel成功之后，进行初始化时，\n * 将ChannelHandler设置到ChannelPipeline中，\n * 同样，用于处理网络I/O事件\n * @param ch\n * @throws Exception\n */\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ch.pipeline().addLast(new TimeClientHandler());\n }\n });\n // 发起异步连接操作 同步方法待成功\n ChannelFuture future = bootstrap.connect(host, port).sync();\n // 等待客户端链路关闭\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放NIO线程组\n clientGroup.shutdownGracefully();\n }\n\n\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/time/demo2/TimeClientHandler.java", "content": "package org.yyx.netty.study.time.demo2;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-上午10:16\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeClientHandler extends ChannelHandlerAdapter {\n\n /**\n * TimeClientHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午10:16\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeClientHandler.class);\n /**\n * 模拟粘包/拆包问题计数器\n */\n private int counter;\n\n /**\n *\n */\n private byte[] req;\n\n public TimeClientHandler() {\n // region 模拟粘包/拆包问题相关代码\n req = (\"QUERY TIME ORDER\" + System.getProperty(\"line.separator\")).getBytes();\n // endregion\n }\n\n /**\n * 捕捉异常\n *\n * @param ctx\n * @param cause\n * @throws Exception\n */\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.warn(\"--- [异常，释放资源] {}\", cause.getMessage());\n ctx.close();\n }\n\n /**\n * 当客户端和服务端TCP链路建立成功之后调用此方法\n * 发送指令给服务端,调用ChannelHandlerContext.writeAndFlush方法将请求消息发送给服务端\n *\n * @param ctx\n * @throws Exception\n */\n @Override\n public void channelActive(ChannelHandlerContext ctx) throws Exception {\n // region 模拟粘包/拆包问题相关代码\n ByteBuf message;\n for (int i = 0; i < 100; i++) {\n message = Unpooled.buffer(req.length);\n message.writeBytes(req);\n ctx.writeAndFlush(message);\n }\n // endregion\n }\n\n /**\n * 服务端返回应答消息时，调用此方法\n *\n * @param ctx\n * @param msg\n * @throws Exception\n */\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n ByteBuf byteBuf = (ByteBuf) msg;\n byte[] request = new byte[byteBuf.readableBytes()];\n byteBuf.readBytes(request);\n String body = new String(request, \"utf-8\");\n LOGGER.info(\"--- [Now is] {} | [counter] {}\", body, ++counter);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/time/demo3/TimeClient.java", "content": "package org.yyx.netty.study.time.demo3;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioSocketChannel;\nimport io.netty.handler.codec.LineBasedFrameDecoder;\nimport io.netty.handler.codec.string.StringDecoder;\n\n/**\n * Netty时间服务器客户端\n *

\n * create by 叶云轩 at 2018/4/12-上午9:53\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeClient {\n\n public void connect(int port, String host) throws Exception {\n // 配置客户端的NIO线程组\n EventLoopGroup clientGroup = new NioEventLoopGroup();\n try {\n // Client辅助启动类\n Bootstrap bootstrap = new Bootstrap();\n // 配置bootstrap\n bootstrap.group(clientGroup)\n .channel(NioSocketChannel.class)\n .option(ChannelOption.TCP_NODELAY, true)\n .handler(new ChannelInitializer() {\n /**\n * 创建NioSocketChannel成功之后，进行初始化时，\n * 将ChannelHandler设置到ChannelPipeline中，\n * 同样，用于处理网络I/O事件\n * @param ch\n * @throws Exception\n */\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n // region 解决粘包/拆包问题相关代码\n ch.pipeline().addLast(new LineBasedFrameDecoder(1024));\n ch.pipeline().addLast(new StringDecoder());\n // endregion\n ch.pipeline().addLast(new TimeClientHandler());\n }\n });\n // 发起异步连接操作 同步方法待成功\n ChannelFuture future = bootstrap.connect(host, port).sync();\n // 等待客户端链路关闭\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放NIO线程组\n clientGroup.shutdownGracefully();\n }\n\n\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/time/demo3/TimeClientHandler.java", "content": "package org.yyx.netty.study.time.demo3;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-上午10:16\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeClientHandler extends ChannelHandlerAdapter {\n\n /**\n * TimeClientHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午10:16\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeClientHandler.class);\n /**\n * 模拟粘包/拆包问题计数器\n */\n private int counter;\n\n /**\n *\n */\n private byte[] req;\n\n public TimeClientHandler() {\n // region 模拟粘包/拆包问题相关代码\n req = (\"QUERY TIME ORDER\" + System.getProperty(\"line.separator\")).getBytes();\n // endregion\n }\n\n /**\n * 捕捉异常\n *\n * @param ctx\n * @param cause\n * @throws Exception\n */\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.warn(\"--- [异常，释放资源] {}\", cause.getMessage());\n ctx.close();\n }\n\n /**\n * 当客户端和服务端TCP链路建立成功之后调用此方法\n * 发送指令给服务端,调用ChannelHandlerContext.writeAndFlush方法将请求消息发送给服务端\n *\n * @param ctx\n * @throws Exception\n */\n @Override\n public void channelActive(ChannelHandlerContext ctx) throws Exception {\n // region 模拟粘包/拆包问题相关代码\n ByteBuf message;\n for (int i = 0; i < 100; i++) {\n message = Unpooled.buffer(req.length);\n message.writeBytes(req);\n ctx.writeAndFlush(message);\n }\n // endregion\n }\n\n /**\n * 服务端返回应答消息时，调用此方法\n *\n * @param ctx\n * @param msg\n * @throws Exception\n */\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n // region 解决粘包/拆包问题相关代码\n String body = (String) msg;\n // endregion\n LOGGER.info(\"--- [Now is] {} | [counter] {}\", body, ++counter);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/websocket/WebSocketClient.java", "content": "package org.yyx.netty.study.websocket;\n\nimport io.netty.bootstrap.Bootstrap;\nimport io.netty.channel.Channel;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.nio.NioSocketChannel;\nimport io.netty.handler.codec.http.DefaultHttpHeaders;\nimport io.netty.handler.codec.http.websocketx.WebSocketClientHandshakerFactory;\nimport io.netty.handler.codec.http.websocketx.WebSocketVersion;\n\nimport java.net.URI;\n\n/**\n * webSocketClient\n *

\n * create by 叶云轩 at 2018/5/17-下午6:04\n * contact by tdg_yyx@foxmail.com\n */\npublic class WebSocketClient {\n\n public void connect(int port, String host, String userName) throws Exception {\n // 配置客户端的NIO线程组\n EventLoopGroup clientGroup = new NioEventLoopGroup();\n try {\n // Client辅助启动类\n Bootstrap bootstrap = new Bootstrap();\n // 配置bootstrap\n WebSocketClientHandler webSocketClientHandler = new WebSocketClientHandler(\n WebSocketClientHandshakerFactory.newHandshaker(new URI(\"ws://172.0.0.1:9999/websocket/\" + userName)\n , WebSocketVersion.V13, null, false, new DefaultHttpHeaders())\n );\n bootstrap.group(clientGroup)\n .channel(NioSocketChannel.class)\n .handler(new WebSocketHandlerClient(webSocketClientHandler));\n // 发起异步连接操作 同步方法待成功\n Channel channel = bootstrap.connect(host, port).sync().channel();\n // 等待客户端链路关闭\n channel.closeFuture().sync();\n } finally {\n // 优雅退出，释放NIO线程组\n clientGroup.shutdownGracefully();\n }\n\n\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/websocket/WebSocketClientHandler.java", "content": "package org.yyx.netty.study.websocket;\n\n\nimport com.alibaba.fastjson.JSONObject;\nimport io.netty.channel.Channel;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.channel.ChannelPromise;\nimport io.netty.channel.SimpleChannelInboundHandler;\nimport io.netty.handler.codec.http.FullHttpResponse;\nimport io.netty.handler.codec.http.websocketx.TextWebSocketFrame;\nimport io.netty.handler.codec.http.websocketx.WebSocketClientHandshaker;\nimport io.netty.handler.codec.http.websocketx.WebSocketFrame;\nimport io.netty.util.CharsetUtil;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/5/17-下午6:06\n * contact by tdg_yyx@foxmail.com\n */\npublic class WebSocketClientHandler extends SimpleChannelInboundHandler {\n /**\n * WebSocketClientHandler 日志控制器\n * Create by 叶云轩 at 2018/5/17 下午6:10\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(WebSocketClientHandler.class);\n\n private final WebSocketClientHandshaker webSocketClientHandshaker;\n private ChannelPromise handshakeFuture;\n\n WebSocketClientHandler(WebSocketClientHandshaker webSocketClientHandshaker) {\n this.webSocketClientHandshaker = webSocketClientHandshaker;\n }\n\n @Override\n public void handlerAdded(ChannelHandlerContext ctx) {\n handshakeFuture = ctx.newPromise();\n }\n\n /**\n * 异常\n *\n * @param channelHandlerContext channelHandlerContext\n * @param cause 异常\n */\n @Override\n public void exceptionCaught(ChannelHandlerContext channelHandlerContext, Throwable cause) throws Exception {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [exception]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", cause.getMessage());\n channelHandlerContext.close();\n }\n\n /**\n * 当客户端主动链接服务端的链接后，调用此方法\n *\n * @param channelHandlerContext ChannelHandlerContext\n */\n @Override\n public void channelActive(ChannelHandlerContext channelHandlerContext) throws Exception {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [建立连接]\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\");\n\n Channel channel = channelHandlerContext.channel();\n // 握手\n webSocketClientHandshaker.handshake(channel);\n }\n\n /**\n * 与服务端断开连接时\n *\n * @param channelHandlerContext channelHandlerContext\n */\n @Override\n public void channelInactive(ChannelHandlerContext channelHandlerContext) {\n Channel channel = channelHandlerContext.channel();\n WebSocketUsers.remove(channel);\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [断开连接]：client [{}]\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", channel.remoteAddress());\n\n }\n\n /**\n * 读完之后调用的方法\n *\n * @param channelHandlerContext ChannelHandlerContext\n */\n @Override\n public void channelReadComplete(ChannelHandlerContext channelHandlerContext) throws Exception {\n channelHandlerContext.flush();\n }\n\n @Override\n protected void messageReceived(ChannelHandlerContext channelHandlerContext, Object msg) throws Exception {\n // 获取通道\n Channel channel = channelHandlerContext.channel();\n // 如果没有握手完成进行握手\n if (!webSocketClientHandshaker.isHandshakeComplete()) {\n webSocketClientHandshaker.finishHandshake(channel, (FullHttpResponse) msg);\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [握手成功]\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\");\n handshakeFuture.setSuccess();\n // 将当前登陆用户保存起来\n WebSocketUsers.put(\"client1-\" + getUserNameInPath(), channel);\n return;\n }\n channelHandlerContext.flush();\n\n if (msg instanceof FullHttpResponse) {\n FullHttpResponse response = (FullHttpResponse) msg;\n throw new IllegalStateException(\n \"Unexpected FullHttpResponse (getStatus=\" + response.status() +\n \", content=\" + response.content().toString(CharsetUtil.UTF_8) + ')');\n }\n\n WebSocketFrame frame = (WebSocketFrame) msg;\n\n if (frame instanceof TextWebSocketFrame) {\n TextWebSocketFrame textWebSocketFrame = (TextWebSocketFrame) frame;\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [服务器响应消息]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", textWebSocketFrame.text());\n WebSocketMessage webSocketMessage = new WebSocketMessage();\n webSocketMessage.setHeader(WebSocketMessage.Type.send_user);\n webSocketMessage.setAccept(\"yyx\");\n webSocketMessage.setContent(\"Hello I'm YeYunXuan\");\n String string = JSONObject.toJSONString(webSocketMessage);\n WebSocketUsers.sendMessageToUser(\"client1-YeYunXuan\", string);\n }\n }\n\n /**\n * 获取登陆用户\n *\n * @return 用户名\n */\n private String getUserNameInPath() {\n String path = webSocketClientHandshaker.uri().getPath();\n int i = path.lastIndexOf(\"/\");\n return path.substring(i + 1, path.length());\n }\n}\n\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/websocket/WebSocketConstant.java", "content": "package org.yyx.netty.study.websocket;\n\n/**\n * WebSocket常量\n *

\n * create by 叶云轩 at 2018/5/18-下午1:29\n * contact by tdg_yyx@foxmail.com\n */\npublic interface WebSocketConstant {\n\n /**\n * 点对点\n */\n String SEND_TO_USER = \"send_to_user\";\n\n /**\n * 群发 广播\n */\n String SEND_TO_USERS = \"send_to_users\";\n\n /**\n * 请求成功\n */\n String REQUEST_SUCCESS = \"request_success\";\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/websocket/WebSocketHandlerClient.java", "content": "package org.yyx.netty.study.websocket;\n\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelPipeline;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.handler.codec.http.HttpClientCodec;\nimport io.netty.handler.codec.http.HttpObjectAggregator;\nimport io.netty.handler.stream.ChunkedWriteHandler;\nimport org.yyx.netty.study.codec.msgpack.MsgPackDecoder;\nimport org.yyx.netty.study.codec.msgpack.MsgPackEncoder;\n\n/**\n * webSocketChildHandler\n *

\n * create by 叶云轩 at 2018/5/15-下午4:54\n * contact by tdg_yyx@foxmail.com\n */\npublic class WebSocketHandlerClient extends ChannelInitializer {\n\n private WebSocketClientHandler webSocketClientHandler;\n\n public WebSocketHandlerClient(WebSocketClientHandler webSocketClientHandler) {\n this.webSocketClientHandler = webSocketClientHandler;\n }\n\n /**\n * 初始化Channel\n *\n * @param socketChannel socketChannel\n */\n @Override\n protected void initChannel(SocketChannel socketChannel) throws Exception {\n ChannelPipeline pipeline = socketChannel.pipeline();\n // 将请求与应答消息编码或者解码为HTTP消息\n pipeline.addLast(new HttpClientCodec());\n // 将http消息的多个部分组合成一条完整的HTTP消息\n pipeline.addLast(\"aggregator\", new HttpObjectAggregator(65536));\n pipeline.addLast(\"http-chunked\", new ChunkedWriteHandler());\n // 客户端Handler\n pipeline.addLast(\"handler\", webSocketClientHandler);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/websocket/WebSocketMessage.java", "content": "package org.yyx.netty.study.websocket;\n\nimport lombok.Data;\n\nimport java.io.Serializable;\n\n/**\n * WebSocketMessage\n *

\n * create by 叶云轩 at 2018/5/18-下午3:02\n * contact by tdg_yyx@foxmail.com\n */\n@Data\npublic class WebSocketMessage implements Serializable {\n private static final long serialVersionUID = -4666429837358506065L;\n\n private String accept;\n private String content;\n private Type header;\n\n enum Type {\n send_user, send_users, request_success;\n }\n\n\n}\n" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/java/org/yyx/netty/study/websocket/WebSocketUsers.java", "content": "package org.yyx.netty.study.websocket;\n\nimport io.netty.channel.Channel;\nimport io.netty.handler.codec.http.websocketx.TextWebSocketFrame;\nimport io.netty.util.internal.PlatformDependent;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.util.Collection;\nimport java.util.Map;\nimport java.util.Set;\nimport java.util.concurrent.ConcurrentMap;\n\n/**\n * WebSocket用户集\n */\npublic class WebSocketUsers {\n\n /**\n * 用户集\n */\n private static final ConcurrentMap USERS = PlatformDependent.newConcurrentHashMap();\n /**\n * WebSocketUsers 日志控制器\n * Create by 叶云轩 at 2018/5/15 下午5:41\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(WebSocketUsers.class);\n\n private static WebSocketUsers ourInstance = new WebSocketUsers();\n\n private WebSocketUsers() {\n }\n\n public static WebSocketUsers getInstance() {\n return ourInstance;\n }\n\n /**\n * 存储通道\n *\n * @param key 唯一键\n * @param channel 通道\n */\n public static void put(String key, Channel channel) {\n USERS.put(key, channel);\n }\n\n /**\n * 移除通道\n *\n * @param channel 通道\n *\n * @return 移除结果\n */\n public static boolean remove(Channel channel) {\n String key = null;\n boolean b = USERS.containsValue(channel);\n if (b) {\n Set> entries = USERS.entrySet();\n for (Map.Entry entry : entries) {\n Channel value = entry.getValue();\n if (value.equals(channel)) {\n key = entry.getKey();\n break;\n }\n }\n } else {\n return true;\n }\n return remove(key);\n }\n\n /**\n * 移出通道\n *\n * @param key 键\n */\n public static boolean remove(String key) {\n Channel remove = USERS.remove(key);\n boolean containsValue = USERS.containsValue(remove);\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [移出结果]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", containsValue ? \"失败\" : \"成功\");\n return containsValue;\n }\n\n /**\n * 获取在线用户列表\n *\n * @return 返回用户集合\n */\n public static ConcurrentMap getUSERS() {\n return USERS;\n }\n\n /**\n * 群发消息\n *\n * @param message 消息内容\n */\n public static void sendMessageToUsers(String message) {\n Collection values = USERS.values();\n for (Channel value : values) {\n value.write(new TextWebSocketFrame(message));\n value.flush();\n }\n }\n\n /**\n * 给某个人发送消息\n *\n * @param userName key\n * @param message 消息\n */\n public static void sendMessageToUser(String userName, String message) {\n Channel channel = USERS.get(userName);\n channel.write(new TextWebSocketFrame(message));\n channel.flush();\n }\n}" }, { "path": "spring-boot-netty/study-netty/study-client/src/main/resources/application.properties", "content": "" }, { "path": "spring-boot-netty/study-netty/study-client/src/test/java/org/yyx/netty/study/StudyClientApplicationTests.java", "content": "package org.yyx.netty.study;\n\nimport org.junit.Test;\nimport org.junit.runner.RunWith;\nimport org.springframework.boot.test.context.SpringBootTest;\nimport org.springframework.test.context.junit4.SpringRunner;\nimport org.yyx.netty.study.echo.megpack.MessagePackClient;\nimport org.yyx.netty.study.websocket.WebSocketClient;\nimport org.yyx.netty.study.websocket.WebSocketUsers;\n\n@RunWith(SpringRunner.class)\n@SpringBootTest\npublic class StudyClientApplicationTests {\n\n /**\n * 测试端口\n */\n private final int port = 8080;\n /**\n * 测试IP\n */\n private final String host = \"127.0.0.1\";\n\n // region 启动未解决粘包/拆包问题的netty客户端\n @Test\n public void startNettyClient1() throws Exception {\n new org.yyx.netty.study.time.demo1.TimeClient().connect(port, host);\n }\n // endregion\n\n // region 启动模拟粘包/拆包问题的netty客户端\n @Test\n public void startNettyClient2() throws Exception {\n new org.yyx.netty.study.time.demo2.TimeClient().connect(port, host);\n }\n // endregion\n\n // region 启动已解决粘包/拆包问题的netty客户端 - LineBasedFrameDecoder 实现\n @Test\n public void startNettyClient3() throws Exception {\n new org.yyx.netty.study.time.demo3.TimeClient().connect(port, host);\n }\n // endregion\n\n // region 启动已解决粘包/拆包问题的netty客户端 - DelimiterBasedFrameDecoder 实现\n @Test\n public void startNettyClient4() throws Exception {\n new org.yyx.netty.study.echo.delimiter.EchoClient().connect(port, host);\n }\n // endregion\n\n // region 启动已解决粘包/拆包问题的netty服务 - FixedLengthFrameDecoder 实现\n @Test\n public void startNettyServer5() throws Exception {\n new org.yyx.netty.study.echo.fixlength.EchoClient().connect(port, host);\n }\n // endregion\n\n // region 启动不考虑粘包/拆包问题 基于MessagePack编解码的Netty客户端\n @Test\n public void testMessagePackEchoClient() throws Exception {\n new MessagePackClient().connect(port, host, 20);\n }\n // endregion\n\n // region 启动WebSocketClient\n @Test\n public void startWebSocketClient() throws Exception {\n new WebSocketClient().connect(9999, host, \"yyx\");\n }\n\n @Test\n public void startWebSocketClient2() throws Exception {\n new WebSocketClient().connect(9999, host, \"YeYunXuan\");\n }\n // endregion\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/pom.xml", "content": "\n\n 4.0.0\n\n study-server\n 0.0.1-SNAPSHOT\n jar\n\n study-server\n Demo project for Spring Boot\n\n \n org.yyx.netty\n study-netty\n 0.0.1-SNAPSHOT\n \n\n\n \n \n \n org.springframework.boot\n spring-boot-maven-plugin\n \n \n \n\n\n\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/StudyServerApplication.java", "content": "package org.yyx.netty.study;\n\nimport org.springframework.boot.CommandLineRunner;\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\n\n@SpringBootApplication\npublic class StudyServerApplication implements CommandLineRunner {\n\n public static void main(String[] args) {\n SpringApplication.run(StudyServerApplication.class, args);\n }\n\n @Override\n public void run(String... args) throws Exception {\n }\n}" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/codec/msgpack/MsgPackDecoder.java", "content": "package org.yyx.netty.study.codec.msgpack;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.handler.codec.MessageToMessageDecoder;\nimport org.msgpack.MessagePack;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.util.List;\n\n/**\n * MsgPack解码器\n *

\n * create by 叶云轩 at 2018/4/12-下午7:31\n * contact by tdg_yyx@foxmail.com\n */\npublic class MsgPackDecoder extends MessageToMessageDecoder {\n\n\n /**\n * MsgPackDecoder 日志控制器\n * Create by 叶云轩 at 2018/5/3 下午3:15\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MsgPackDecoder.class);\n\n /**\n * 解码 byte[] -> Object\n */\n @Override\n protected void decode(ChannelHandlerContext channelHandlerContext\n , ByteBuf msg, List out) throws Exception {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [解码]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", msg);\n final int length = msg.readableBytes();\n final byte[] array = new byte[length];\n msg.getBytes(msg.readerIndex(), array, 0, length);\n MessagePack messagePack = new MessagePack();\n out.add(messagePack.read(array));\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [out]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", out);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/codec/msgpack/MsgPackEncoder.java", "content": "package org.yyx.netty.study.codec.msgpack;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.handler.codec.MessageToByteEncoder;\nimport org.msgpack.MessagePack;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n * MsgPack编码器\n *

\n * create by 叶云轩 at 2018/4/12-下午7:29\n * contact by tdg_yyx@foxmail.com\n */\npublic class MsgPackEncoder extends MessageToByteEncoder {\n /**\n * MsgPackEncoder 日志控制器\n * Create by 叶云轩 at 2018/5/3 下午3:15\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MsgPackEncoder.class);\n\n /**\n * 编码 Object -> byte[]\n */\n @Override\n protected void encode(ChannelHandlerContext channelHandlerContext, Object msg, ByteBuf out) throws Exception {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [编码]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", msg);\n MessagePack messagePack = new MessagePack();\n // 序列化\n byte[] write = messagePack.write(msg);\n out.writeBytes(write);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/echo/delimiter/EchoServer.java", "content": "package org.yyx.netty.study.echo.delimiter;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport io.netty.handler.codec.DelimiterBasedFrameDecoder;\nimport io.netty.handler.codec.string.StringDecoder;\nimport io.netty.handler.logging.LogLevel;\nimport io.netty.handler.logging.LoggingHandler;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n * EchoServer服务端\n *

\n * create by 叶云轩 at 2018/4/12-下午4:07\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoServer {\n /**\n * MessagePackServer 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:09\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(EchoServer.class);\n\n\n public void bind(int port) throws Exception {\n LOGGER.info(\"--- [绑定端口] {}\", port);\n // 声明Boss线程组\n EventLoopGroup bossGroup = new NioEventLoopGroup();\n // 声明Worker线程组\n EventLoopGroup workerGroup = new NioEventLoopGroup();\n try {\n LOGGER.info(\"--- [启动NIO] \");\n // Netty用于启动NIO服务端的辅助启动类，目的是降低服务端的开发复杂度\n ServerBootstrap bootstrap = new ServerBootstrap();\n // 将两个NIO线程组传递到ServerBootStrap中\n bootstrap.group(bossGroup, workerGroup)\n .channel(NioServerSocketChannel.class)\n .option(ChannelOption.SO_BACKLOG, 100)\n .handler(new LoggingHandler(LogLevel.INFO))\n .childHandler(new ChannelInitializer() {\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n // 设置分隔符为 $_$\n ByteBuf delimiter = Unpooled.copiedBuffer(\"$_$\".getBytes());\n // 单条消息最大长度不能超过1024\n ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, delimiter));\n ch.pipeline().addLast(new StringDecoder());\n ch.pipeline().addLast(new EchoServerHandler());\n }\n });\n ChannelFuture future = bootstrap.bind(port).sync();\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n bossGroup.shutdownGracefully();\n workerGroup.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/echo/delimiter/EchoServerHandler.java", "content": "package org.yyx.netty.study.echo.delimiter;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-下午4:12\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoServerHandler extends ChannelHandlerAdapter {\n\n /**\n * MessagePackServerHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:20\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(EchoServerHandler.class);\n /**\n * 计数器\n */\n private int counter;\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.info(\"--- [发生异常] 释放资源\");\n ctx.close();\n }\n\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n String body = (String) msg;\n LOGGER.info(\"--- [第{}次接收客户端消息] {}\", ++counter, body);\n body += \"$_$\";\n ByteBuf echo = Unpooled.copiedBuffer(body.getBytes());\n ctx.writeAndFlush(echo);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/echo/fixlength/EchoServer.java", "content": "package org.yyx.netty.study.echo.fixlength;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport io.netty.handler.codec.FixedLengthFrameDecoder;\nimport io.netty.handler.codec.string.StringDecoder;\nimport io.netty.handler.logging.LogLevel;\nimport io.netty.handler.logging.LoggingHandler;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n * EchoServer服务端\n *

\n * create by 叶云轩 at 2018/4/12-下午4:07\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoServer {\n /**\n * MessagePackServer 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:09\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(EchoServer.class);\n\n\n public void bind(int port) throws Exception {\n LOGGER.info(\"--- [绑定端口] {}\", port);\n // 声明Boss线程组\n EventLoopGroup bossGroup = new NioEventLoopGroup();\n // 声明Worker线程组\n EventLoopGroup workerGroup = new NioEventLoopGroup();\n try {\n LOGGER.info(\"--- [启动NIO] \");\n // Netty用于启动NIO服务端的辅助启动类，目的是降低服务端的开发复杂度\n ServerBootstrap bootstrap = new ServerBootstrap();\n // 将两个NIO线程组传递到ServerBootStrap中\n bootstrap.group(bossGroup, workerGroup)\n .channel(NioServerSocketChannel.class)\n .option(ChannelOption.SO_BACKLOG, 100)\n .handler(new LoggingHandler(LogLevel.INFO))\n .childHandler(new ChannelInitializer() {\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ch.pipeline().addLast(new FixedLengthFrameDecoder(20));\n ch.pipeline().addLast(new StringDecoder());\n ch.pipeline().addLast(new EchoServerHandler());\n }\n });\n ChannelFuture future = bootstrap.bind(port).sync();\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n bossGroup.shutdownGracefully();\n workerGroup.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/echo/fixlength/EchoServerHandler.java", "content": "package org.yyx.netty.study.echo.fixlength;\n\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-下午4:12\n * contact by tdg_yyx@foxmail.com\n */\npublic class EchoServerHandler extends ChannelHandlerAdapter {\n\n /**\n * MessagePackServerHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:20\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(EchoServerHandler.class);\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.info(\"--- [发生异常] 释放资源\");\n ctx.close();\n }\n\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n LOGGER.info(\"--- [接收到客户端的数据] {}\", msg);\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/echo/megpack/MessagePackServer.java", "content": "package org.yyx.netty.study.echo.megpack;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport io.netty.handler.logging.LogLevel;\nimport io.netty.handler.logging.LoggingHandler;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.yyx.netty.study.codec.msgpack.MsgPackDecoder;\nimport org.yyx.netty.study.codec.msgpack.MsgPackEncoder;\n\n/**\n * EchoServer服务端\n *

\n * create by 叶云轩 at 2018/4/12-下午4:07\n * contact by tdg_yyx@foxmail.com\n */\npublic class MessagePackServer {\n /**\n * MessagePackServer 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:09\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MessagePackServer.class);\n\n\n public void bind(int port) throws Exception {\n LOGGER.info(\"--- [绑定端口] {}\", port);\n // 声明Boss线程组\n EventLoopGroup bossGroup = new NioEventLoopGroup();\n // 声明Worker线程组\n EventLoopGroup workerGroup = new NioEventLoopGroup();\n try {\n LOGGER.info(\"--- [启动NIO] \");\n // Netty用于启动NIO服务端的辅助启动类，目的是降低服务端的开发复杂度\n ServerBootstrap bootstrap = new ServerBootstrap();\n // 将两个NIO线程组传递到ServerBootStrap中\n bootstrap.group(bossGroup, workerGroup)\n .channel(NioServerSocketChannel.class)\n .option(ChannelOption.SO_BACKLOG, 100)\n .childHandler(new ChannelInitializer() {\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO));\n// ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(65535, 0, 2, 0, 2));\n ch.pipeline().addLast(new MsgPackDecoder());\n// ch.pipeline().addLast(new LengthFieldPrepender(2));\n ch.pipeline().addLast(new MsgPackEncoder());\n ch.pipeline().addLast(new MessagePackServerHandler());\n }\n });\n ChannelFuture future = bootstrap.bind(port).sync();\n future.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n bossGroup.shutdownGracefully();\n workerGroup.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/echo/megpack/MessagePackServerHandler.java", "content": "package org.yyx.netty.study.echo.megpack;\n\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.yyx.netty.entity.User;\n\nimport java.util.List;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-下午4:12\n * contact by tdg_yyx@foxmail.com\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:32\n */\npublic class MessagePackServerHandler extends ChannelHandlerAdapter {\n\n /**\n * MessagePackServerHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午4:20\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(MessagePackServerHandler.class);\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n LOGGER.info(\"--- [发生异常] 释放资源: {}\", cause.getMessage());\n // todo\n ctx.close();\n }\n\n @Override\n public void channelActive(ChannelHandlerContext ctx) throws Exception {\n ctx.writeAndFlush(\"Server connect success\");\n }\n\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) {\n List userInfo = (List) msg;\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [接收 ]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", userInfo);\n }\n\n @Override\n public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {\n ctx.flush();\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo1/ChildChannelHandler.java", "content": "package org.yyx.netty.study.time.demo1;\n\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.socket.SocketChannel;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n * I/O事件处理类\n *

\n * create by 叶云轩 at 2018/4/11-下午6:34\n * contact by tdg_yyx@foxmail.com\n */\npublic class ChildChannelHandler extends ChannelInitializer {\n\n /**\n * ChildChannelHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:29\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(ChildChannelHandler.class);\n\n /**\n * 创建NioSocketChannel成功之后，进行初始化时，\n * 将ChannelHandler设置到ChannelPipeline中，\n * 同样，用于处理网络I/O事件\n *\n * @param ch\n *\n * @throws Exception\n */\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n LOGGER.info(\"--- [通道初始化]\");\n ch.pipeline().addLast(new TimeServerHandler());\n }\n}" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo1/TimeServer.java", "content": "package org.yyx.netty.study.time.demo1;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/11-下午6:33\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeServer {\n /*\n NioEventLoopGroup本质是一个线程组，包含一组NIO线程专门用于网络事件的处理\n 一个用于服务端接受客户端的连接\n 一个用于进行SocketChannel的网络读写\n */\n\n /**\n * TimeServer 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:26\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeServer.class);\n\n /**\n * 绑定端口\n *\n * @param port 端口号\n * @throws Exception 异常\n */\n public void bind(int port) throws Exception {\n LOGGER.info(\"--- [绑定端口] {}\", port);\n // 声明Boss线程组\n EventLoopGroup bossGroup = new NioEventLoopGroup();\n // 声明Worker线程组\n EventLoopGroup workerGroup = new NioEventLoopGroup();\n try {\n LOGGER.info(\"--- [启动NIO] \");\n // Netty用于启动NIO服务端的辅助启动类，目的是降低服务端的开发复杂度\n ServerBootstrap bootstrap = new ServerBootstrap();\n // 将两个NIO线程组传递到ServerBootStrap中\n bootstrap.group(bossGroup, workerGroup)\n // NioServerSocketChannel 相当于NIO中的ServerSocketChannel类\n .channel(NioServerSocketChannel.class)\n // 配置NioServerSocketChannel的TCP参数 backlog设置为1024\n .option(ChannelOption.SO_BACKLOG, 1024)\n // 绑定I/O事件处理类\n .childHandler(new ChildChannelHandler());\n // 绑定端口，同步等待成功\n // channelFuture 相当于JDK的java.util.concurrent.Future用于异步操作通知回调\n ChannelFuture channelFuture = bootstrap.bind(port).sync();\n // 等待服务端监听端口关闭\n channelFuture.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n bossGroup.shutdownGracefully();\n workerGroup.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo1/TimeServerHandler.java", "content": "package org.yyx.netty.study.time.demo1;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.util.Date;\n\n/**\n * 针对网络事件进行读写操作的类\n *

\n * create by 叶云轩 at 2018/4/11-下午6:35\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeServerHandler extends ChannelHandlerAdapter {\n /**\n * TimeServerHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:30\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeServerHandler.class);\n /**\n * 模拟粘包/拆包问题计数器\n */\n private int counter;\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n ctx.close();\n }\n\n /**\n * 读事件\n *\n * @param ctx ChannelHandlerContext\n * @param msg 消息\n *\n * @throws Exception\n */\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n // 将消息转换成ByteBuf\n ByteBuf buf = (ByteBuf) msg;\n // 获取缓冲区中的字节数\n byte[] req = new byte[buf.readableBytes()];\n buf.readBytes(req);\n String body = new String(req, \"utf-8\");\n LOGGER.info(\"--- [接收到的数据] {}\", body);\n String currentTime = \"QUERY TIME ORDER\".equalsIgnoreCase(body) ? new Date(System.currentTimeMillis()).toString() :\n \"BAD ORDER\";\n ByteBuf resp = Unpooled.copiedBuffer(currentTime.getBytes());\n\n // region 模拟粘包/拆包问题相关代码\n// String body = new String(req, \"utf-8\").substring(0, req.length - System.getProperty(\"line.separator\").length());\n// LOGGER.info(\"--- [接收到的数据] {} | [counter] {}\", body, ++counter);\n// String currentTime = \"QUERY TIME ORDER\".equalsIgnoreCase(body) ? new Date(System.currentTimeMillis()).toString() : \"BAD ORDER\";\n// currentTime = currentTime + System.getProperty(\"line.separator\");\n// ByteBuf resp = Unpooled.copiedBuffer(currentTime.getBytes());\n // endregion\n\n\n // 异步发送应答消息给Client\n ctx.write(resp); // --> 将消息放到发送缓冲数组中\n }\n\n /**\n * 读完之后\n *\n * @param ctx\n *\n * @throws Exception\n */\n @Override\n public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {\n LOGGER.info(\"--- [服务器写消息] \");\n // 将消息发送队列中的消息写到SocketChannel中\n ctx.flush(); // --> 将消息写到 SocketChannel 中\n }\n\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo2/ChildChannelHandler.java", "content": "package org.yyx.netty.study.time.demo2;\n\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.socket.SocketChannel;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n * I/O事件处理类\n *

\n * create by 叶云轩 at 2018/4/11-下午6:34\n * contact by tdg_yyx@foxmail.com\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:38\n */\npublic class ChildChannelHandler extends ChannelInitializer {\n\n /**\n * ChildChannelHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:29\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(ChildChannelHandler.class);\n\n /**\n * 创建NioSocketChannel成功之后，进行初始化时，\n * 将ChannelHandler设置到ChannelPipeline中，\n * 同样，用于处理网络I/O事件\n *\n * @param ch\n * @throws Exception\n */\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n LOGGER.info(\"--- [通道初始化]\");\n ch.pipeline().addLast(new TimeServerHandler());\n }\n}" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo2/TimeServer.java", "content": "package org.yyx.netty.study.time.demo2;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/11-下午6:33\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeServer {\n /*\n NioEventLoopGroup本质是一个线程组，包含一组NIO线程专门用于网络事件的处理\n 一个用于服务端接受客户端的连接\n 一个用于进行SocketChannel的网络读写\n */\n\n /**\n * TimeServer 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:26\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeServer.class);\n\n /**\n * 绑定端口\n *\n * @param port 端口号\n * @throws Exception 异常\n */\n public void bind(int port) throws Exception {\n LOGGER.info(\"--- [绑定端口] {}\", port);\n // 声明Boss线程组\n EventLoopGroup bossGroup = new NioEventLoopGroup();\n // 声明Worker线程组\n EventLoopGroup workerGroup = new NioEventLoopGroup();\n try {\n LOGGER.info(\"--- [启动NIO] \");\n // Netty用于启动NIO服务端的辅助启动类，目的是降低服务端的开发复杂度\n ServerBootstrap bootstrap = new ServerBootstrap();\n // 将两个NIO线程组传递到ServerBootStrap中\n bootstrap.group(bossGroup, workerGroup)\n // NioServerSocketChannel 相当于NIO中的ServerSocketChannel类\n .channel(NioServerSocketChannel.class)\n // 配置NioServerSocketChannel的TCP参数 backlog设置为1024\n .option(ChannelOption.SO_BACKLOG, 1024)\n // 绑定I/O事件处理类\n .childHandler(new ChildChannelHandler());\n // 绑定端口，同步等待成功\n // channelFuture 相当于JDK的java.util.concurrent.Future用于异步操作通知回调\n ChannelFuture channelFuture = bootstrap.bind(port).sync();\n // 等待服务端监听端口关闭\n channelFuture.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n bossGroup.shutdownGracefully();\n workerGroup.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo2/TimeServerHandler.java", "content": "package org.yyx.netty.study.time.demo2;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.util.Date;\n\n/**\n * 针对网络事件进行读写操作的类\n *

\n * create by 叶云轩 at 2018/4/11-下午6:35\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeServerHandler extends ChannelHandlerAdapter {\n /**\n * TimeServerHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:30\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeServerHandler.class);\n /**\n * 模拟粘包/拆包问题计数器\n */\n private int counter;\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {\n ctx.close();\n }\n\n /**\n * 读事件\n *\n * @param ctx ChannelHandlerContext\n * @param msg 消息\n * @throws Exception\n */\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {\n // 将消息转换成ByteBuf\n ByteBuf buf = (ByteBuf) msg;\n // 获取缓冲区中的字节数\n byte[] req = new byte[buf.readableBytes()];\n buf.readBytes(req);\n // region 模拟粘包/拆包问题相关代码\n String body = new String(req, \"utf-8\").substring(0, req.length - System.getProperty(\"line.separator\").length());\n LOGGER.info(\"--- [接收到的数据] {} | [counter] {}\", body, ++counter);\n String currentTime = \"QUERY TIME ORDER\".equalsIgnoreCase(body) ? new Date(System.currentTimeMillis()).toString() : \"BAD ORDER\";\n currentTime = currentTime + System.getProperty(\"line.separator\");\n ByteBuf resp = Unpooled.copiedBuffer(currentTime.getBytes());\n // endregion\n // 异步发送应答消息给Client\n ctx.writeAndFlush(resp); // --> 将消息放到发送缓冲数组中\n }\n\n /**\n * 读完之后\n *\n * @param ctx\n * @throws Exception\n */\n @Override\n public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {\n LOGGER.info(\"--- [服务器写消息] \");\n // 将消息发送队列中的消息写到SocketChannel中\n ctx.flush(); // --> 将消息写到 SocketChannel 中\n }\n\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo3/ChildChannelHandler.java", "content": "package org.yyx.netty.study.time.demo3;\n\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.handler.codec.LineBasedFrameDecoder;\nimport io.netty.handler.codec.string.StringDecoder;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n * I/O事件处理类\n *

\n * create by 叶云轩 at 2018/4/11-下午6:34\n * contact by tdg_yyx@foxmail.com\n */\npublic class ChildChannelHandler extends ChannelInitializer {\n\n /**\n * ChildChannelHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:29\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(ChildChannelHandler.class);\n\n\n /**\n * LineBasedFrameDecoder: 以换行符为结束标志的解码器\n * 依次遍历ByteBuf中的可读字节，\n * 如果有\"\\n\" 或者 \"\\r\\n\" -> 就以此位置为结束位置 之后将可读索引到结束位置区间的字节组成一行\n */\n\n /**\n * 创建NioSocketChannel成功之后，进行初始化时，\n * 将ChannelHandler设置到ChannelPipeline中，\n * 同样，用于处理网络I/O事件\n *\n * @param ch\n * @throws Exception\n */\n @Override\n protected void initChannel(SocketChannel ch) throws Exception {\n LOGGER.info(\"--- [通道初始化]\");\n // region 解决粘包/拆包问题相关代码\n ch.pipeline().addLast(new LineBasedFrameDecoder(1024));\n // 将接收到的对象转成字符串\n ch.pipeline().addLast(new StringDecoder());\n // endregion\n\n ch.pipeline().addLast(new TimeServerHandler());\n }\n}" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo3/TimeServer.java", "content": "package org.yyx.netty.study.time.demo3;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.channel.ChannelFuture;\nimport io.netty.channel.ChannelOption;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/11-下午6:33\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeServer {\n /*\n NioEventLoopGroup本质是一个线程组，包含一组NIO线程专门用于网络事件的处理\n 一个用于服务端接受客户端的连接\n 一个用于进行SocketChannel的网络读写\n */\n\n /**\n * TimeServer 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:26\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeServer.class);\n\n /**\n * 绑定端口\n *\n * @param port 端口号\n *\n * @throws Exception 异常\n */\n public void bind(int port) throws Exception {\n LOGGER.info(\"--- [绑定端口] {}\", port);\n // 声明Boss线程组\n EventLoopGroup bossGroup = new NioEventLoopGroup();\n // 声明Worker线程组\n EventLoopGroup workerGroup = new NioEventLoopGroup();\n try {\n LOGGER.info(\"--- [启动NIO] \");\n // Netty用于启动NIO服务端的辅助启动类，目的是降低服务端的开发复杂度\n ServerBootstrap bootstrap = new ServerBootstrap();\n // 将两个NIO线程组传递到ServerBootStrap中\n bootstrap.group(bossGroup, workerGroup)\n // NioServerSocketChannel 相当于NIO中的ServerSocketChannel类\n .channel(NioServerSocketChannel.class)\n // 配置NioServerSocketChannel的TCP参数 backlog设置为1024\n .option(ChannelOption.SO_BACKLOG, 1024)\n // 绑定I/O事件处理类\n .childHandler(new ChildChannelHandler());\n // 绑定端口，同步等待成功\n // channelFuture 相当于JDK的java.util.concurrent.Future用于异步操作通知回调\n ChannelFuture channelFuture = bootstrap.bind(port).sync();\n // 等待服务端监听端口关闭\n channelFuture.channel().closeFuture().sync();\n } finally {\n // 优雅退出，释放线程池资源\n bossGroup.shutdownGracefully();\n workerGroup.shutdownGracefully();\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/time/demo3/TimeServerHandler.java", "content": "package org.yyx.netty.study.time.demo3;\n\nimport io.netty.buffer.ByteBuf;\nimport io.netty.buffer.Unpooled;\nimport io.netty.channel.ChannelHandlerAdapter;\nimport io.netty.channel.ChannelHandlerContext;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.util.Date;\n\n/**\n * 针对网络事件进行读写操作的类\n *

\n * create by 叶云轩 at 2018/4/11-下午6:35\n * contact by tdg_yyx@foxmail.com\n */\npublic class TimeServerHandler extends ChannelHandlerAdapter {\n /**\n * TimeServerHandler 日志控制器\n * Create by 叶云轩 at 2018/4/12 上午11:30\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(TimeServerHandler.class);\n /**\n * 模拟粘包/拆包问题计数器\n */\n private int counter;\n\n @Override\n public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {\n ctx.close();\n }\n\n /**\n * 读事件\n *\n * @param ctx ChannelHandlerContext\n * @param msg 消息\n *\n * @throws Exception\n */\n @Override\n public void channelRead(ChannelHandlerContext ctx, Object msg) {\n // region 解决模拟粘包/拆包问题相关代码\n String body = (String) msg;\n LOGGER.info(\"--- [接收到的数据] {} | [counter] {}\", body, ++counter);\n String currentTime = \"QUERY TIME ORDER\".equalsIgnoreCase(body) ? new Date(System.currentTimeMillis()).toString() : \"BAD ORDER\";\n currentTime = currentTime + System.getProperty(\"line.separator\");\n ByteBuf resp = Unpooled.copiedBuffer(currentTime.getBytes());\n // endregion\n\n // 异步发送应答消息给Client\n ctx.writeAndFlush(resp); // --> 将消息放到发送缓冲数组中\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/websocket/WebSocketChildHandler.java", "content": "package org.yyx.netty.study.websocket;\n\nimport io.netty.channel.ChannelInitializer;\nimport io.netty.channel.ChannelPipeline;\nimport io.netty.channel.socket.SocketChannel;\nimport io.netty.handler.codec.http.HttpObjectAggregator;\nimport io.netty.handler.codec.http.HttpServerCodec;\nimport io.netty.handler.stream.ChunkedWriteHandler;\n\n/**\n * webSocketChildHandler\n *

\n * create by 叶云轩 at 2018/5/15-下午4:54\n * contact by tdg_yyx@foxmail.com\n */\npublic class WebSocketChildHandler extends ChannelInitializer {\n /**\n * 初始化Channel\n *\n * @param socketChannel socketChannel\n */\n @Override\n protected void initChannel(SocketChannel socketChannel) throws Exception {\n ChannelPipeline pipeline = socketChannel.pipeline();\n // 将请求与应答消息编码或者解码为HTTP消息\n pipeline.addLast(\"http-codec\", new HttpServerCodec());\n // 将http消息的多个部分组合成一条完整的HTTP消息\n pipeline.addLast(\"aggregator\", new HttpObjectAggregator(65536));\n // 向客户端发送HTML5文件。主要用于支持浏览器和服务端进行WebSocket通信\n pipeline.addLast(\"http-chunked\", new ChunkedWriteHandler());\n // 服务端Handler\n pipeline.addLast(\"handler\", new WebSocketServerHandler());\n\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/websocket/WebSocketConstant.java", "content": "package org.yyx.netty.study.websocket;\n\n/**\n * WebSocket常量\n *

\n * create by 叶云轩 at 2018/5/18-下午1:29\n * contact by tdg_yyx@foxmail.com\n */\npublic interface WebSocketConstant {\n\n /**\n * 点对点\n */\n String SEND_TO_USER = \"send_to_user\";\n\n /**\n * 群发 广播\n */\n String SEND_TO_USERS = \"send_to_users\";\n\n /**\n * 请求成功\n */\n String REQUEST_SUCCESS = \"request_success\";\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/websocket/WebSocketMessage.java", "content": "package org.yyx.netty.study.websocket;\n\nimport lombok.Data;\n\nimport java.io.Serializable;\n\n/**\n * WebSocketMessage\n *

\n * create by 叶云轩 at 2018/5/18-下午3:02\n * contact by tdg_yyx@foxmail.com\n */\n@Data\npublic class WebSocketMessage implements Serializable {\n private static final long serialVersionUID = -4666429837358506065L;\n\n private String accept;\n private String content;\n private Type header;\n\n enum Type {\n send_user, send_users, request_success;\n }\n\n\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/websocket/WebSocketServer.java", "content": "package org.yyx.netty.study.websocket;\n\nimport io.netty.bootstrap.ServerBootstrap;\nimport io.netty.channel.Channel;\nimport io.netty.channel.EventLoopGroup;\nimport io.netty.channel.nio.NioEventLoopGroup;\nimport io.netty.channel.socket.nio.NioServerSocketChannel;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\n\n/**\n * webSocket服务器\n *

\n * create by 叶云轩 at 2018/5/11-上午11:42\n * contact by tdg_yyx@foxmail.com\n */\npublic class WebSocketServer {\n /**\n * WebSocketServer 日志控制器\n * Create by 叶云轩 at 2018/5/11 上午11:48\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(WebSocketServer.class);\n\n public void run(int port) throws Exception {\n EventLoopGroup bossGroup = new NioEventLoopGroup();\n EventLoopGroup workerGroup = new NioEventLoopGroup();\n try {\n ServerBootstrap bootstrap = new ServerBootstrap();\n bootstrap.group(bossGroup, workerGroup)\n .channel(NioServerSocketChannel.class)\n .childHandler(new WebSocketChildHandler());\n Channel ch = bootstrap.bind(port).sync().channel();\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [服务器启动]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", port);\n ch.closeFuture().sync();\n } finally {\n bossGroup.shutdownGracefully();\n workerGroup.shutdownGracefully();\n }\n }\n\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/websocket/WebSocketServerHandler.java", "content": "package org.yyx.netty.study.websocket;\n\nimport com.alibaba.fastjson.JSONObject;\nimport io.netty.buffer.ByteBuf;\nimport io.netty.channel.Channel;\nimport io.netty.channel.ChannelHandlerContext;\nimport io.netty.channel.SimpleChannelInboundHandler;\nimport io.netty.handler.codec.http.FullHttpRequest;\nimport io.netty.handler.codec.http.websocketx.BinaryWebSocketFrame;\nimport io.netty.handler.codec.http.websocketx.CloseWebSocketFrame;\nimport io.netty.handler.codec.http.websocketx.PingWebSocketFrame;\nimport io.netty.handler.codec.http.websocketx.PongWebSocketFrame;\nimport io.netty.handler.codec.http.websocketx.TextWebSocketFrame;\nimport io.netty.handler.codec.http.websocketx.WebSocketFrame;\nimport io.netty.handler.codec.http.websocketx.WebSocketServerHandshaker;\nimport io.netty.handler.codec.http.websocketx.WebSocketServerHandshakerFactory;\nimport org.msgpack.MessagePack;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.io.IOException;\nimport java.util.ArrayList;\nimport java.util.List;\nimport java.util.concurrent.ConcurrentMap;\n\n/**\n *

\n * create by 叶云轩 at 2018/5/11-上午11:49\n * contact by tdg_yyx@foxmail.com\n */\npublic class WebSocketServerHandler extends SimpleChannelInboundHandler {\n /**\n * WebSocketServerHandler 日志控制器\n * Create by 叶云轩 at 2018/5/11 上午11:50\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(WebSocketServerHandler.class);\n\n private WebSocketServerHandshaker socketServerHandShaker;\n\n /**\n * 异常\n *\n * @param channelHandlerContext channelHandlerContext\n * @param cause 异常\n */\n @Override\n public void exceptionCaught(ChannelHandlerContext channelHandlerContext, Throwable cause) throws Exception {\n channelHandlerContext.close();\n }\n\n /**\n * 当客户端主动链接服务端的链接后，调用此方法\n *\n * @param channelHandlerContext ChannelHandlerContext\n */\n @Override\n public void channelActive(ChannelHandlerContext channelHandlerContext) {\n // 使用一个结构存储通道\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [建立连接]: client [{}]\\n\" +\n \"\\t├ [当前在线人数]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", channelHandlerContext.channel().remoteAddress()\n , WebSocketUsers.getUSERS().size() + 1);\n }\n\n /**\n * 与客户端断开连接时\n *\n * @param channelHandlerContext channelHandlerContext\n */\n @Override\n public void channelInactive(ChannelHandlerContext channelHandlerContext) {\n Channel channel = channelHandlerContext.channel();\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [断开连接]：client [{}]\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", channel.remoteAddress());\n WebSocketUsers.remove(channel);\n ConcurrentMap users = WebSocketUsers.getUSERS();\n LOGGER.info(\"\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\");\n for (String s : users.keySet()) {\n LOGGER.info(\n \"\\t├ [当前在线]: {}\", s);\n }\n LOGGER.info(\"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\");\n }\n\n /**\n * 读完之后调用的方法\n *\n * @param channelHandlerContext ChannelHandlerContext\n */\n @Override\n public void channelReadComplete(ChannelHandlerContext channelHandlerContext) throws Exception {\n channelHandlerContext.flush();\n }\n\n /**\n * 接收客户端发送的消息\n *\n * @param ctx ChannelHandlerContext\n * @param msg 消息\n */\n @Override\n protected void messageReceived(ChannelHandlerContext ctx, Object msg) throws Exception {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [收到客户端消息类型]: {} - {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", msg.getClass(), msg.toString());\n // 传统http接入 第一次需要使用http建立握手\n if (msg instanceof FullHttpRequest) {\n handlerHttpRequest(ctx, (FullHttpRequest) msg);\n ctx.channel().write(new TextWebSocketFrame(\"连接成功\"));\n }\n // WebSocket接入\n else if (msg instanceof WebSocketFrame) {\n handlerWebSocketFrame(ctx, (WebSocketFrame) msg);\n }\n\n }\n\n /**\n * 第一次握手\n *\n * @param channelHandlerContext channelHandlerContext\n * @param req 请求\n */\n private void handlerHttpRequest(ChannelHandlerContext channelHandlerContext, FullHttpRequest req) {\n\n // 构造握手响应返回，本机测试\n WebSocketServerHandshakerFactory wsFactory\n = new WebSocketServerHandshakerFactory(\"ws://localhost:9999/websocket/{uri}\",\n null, false);\n String uri = req.uri();\n String[] split = uri.split(\"/\");\n String userName = split[2];\n // 加入在线用户\n WebSocketUsers.put(userName, channelHandlerContext.channel());\n socketServerHandShaker = wsFactory.newHandshaker(req);\n if (socketServerHandShaker == null) {\n WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(channelHandlerContext.channel());\n } else {\n socketServerHandShaker.handshake(channelHandlerContext.channel(), req);\n }\n }\n\n /**\n * webSocket处理逻辑\n *\n * @param channelHandlerContext channelHandlerContext\n * @param frame webSocketFrame\n */\n private void handlerWebSocketFrame(ChannelHandlerContext channelHandlerContext, WebSocketFrame frame) throws IOException {\n Channel channel = channelHandlerContext.channel();\n // region 判断是否是关闭链路的指令\n if (frame instanceof CloseWebSocketFrame) {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [关闭与客户端的链接]\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\");\n socketServerHandShaker.close(channel, (CloseWebSocketFrame) frame.retain());\n return;\n }\n // endregion\n // region 判断是否是ping消息\n if (frame instanceof PingWebSocketFrame) {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [Ping消息]\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\");\n channel.write(new PongWebSocketFrame(frame.content().retain()));\n return;\n }\n // endregion\n if (frame instanceof TextWebSocketFrame) {\n String text = ((TextWebSocketFrame) frame).text();\n WebSocketMessage webSocketMessage = JSONObject.parseObject(text, WebSocketMessage.class);\n String accept = webSocketMessage.getAccept();\n WebSocketUsers.sendMessageToUser(accept, webSocketMessage.getContent());\n }\n if (frame instanceof BinaryWebSocketFrame) {\n BinaryWebSocketFrame binaryWebSocketFrame = (BinaryWebSocketFrame) frame;\n ByteBuf content = binaryWebSocketFrame.content();\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [二进制数据]:{}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", content);\n final int length = content.readableBytes();\n final byte[] array = new byte[length];\n content.getBytes(content.readerIndex(), array, 0, length);\n MessagePack messagePack = new MessagePack();\n List list = new ArrayList<>();\n list.add(messagePack.read(array));\n for (Object o : list) {\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [解码数据]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", o);\n }\n\n }\n // 非文本消息处理方式\n if (!(frame instanceof TextWebSocketFrame)) {\n throw new UnsupportedOperationException(String.format(\n \"%s 暂不支持非文本消息\", frame.getClass().getName()\n ));\n }\n }\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/java/org/yyx/netty/study/websocket/WebSocketUsers.java", "content": "package org.yyx.netty.study.websocket;\n\nimport io.netty.channel.Channel;\nimport io.netty.handler.codec.http.websocketx.TextWebSocketFrame;\nimport io.netty.util.internal.PlatformDependent;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\n\nimport java.util.Collection;\nimport java.util.Map;\nimport java.util.Set;\nimport java.util.concurrent.ConcurrentMap;\n\n/**\n * WebSocket用户集\n */\npublic class WebSocketUsers {\n\n /**\n * 用户集\n */\n private static final ConcurrentMap USERS = PlatformDependent.newConcurrentHashMap();\n /**\n * WebSocketUsers 日志控制器\n * Create by 叶云轩 at 2018/5/15 下午5:41\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(WebSocketUsers.class);\n\n private static WebSocketUsers ourInstance = new WebSocketUsers();\n\n private WebSocketUsers() {\n }\n\n public static WebSocketUsers getInstance() {\n return ourInstance;\n }\n\n /**\n * 存储通道\n *\n * @param key 唯一键\n * @param channel 通道\n */\n public static void put(String key, Channel channel) {\n USERS.put(key, channel);\n }\n\n /**\n * 移除通道\n *\n * @param channel 通道\n *\n * @return 移除结果\n */\n public static boolean remove(Channel channel) {\n String key = null;\n boolean b = USERS.containsValue(channel);\n if (b) {\n Set> entries = USERS.entrySet();\n for (Map.Entry entry : entries) {\n Channel value = entry.getValue();\n if (value.equals(channel)) {\n key = entry.getKey();\n break;\n }\n }\n } else {\n return true;\n }\n return remove(key);\n }\n\n /**\n * 移出通道\n *\n * @param key 键\n */\n public static boolean remove(String key) {\n Channel remove = USERS.remove(key);\n boolean containsValue = USERS.containsValue(remove);\n LOGGER.info(\"\\n\\t⌜⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\\n\" +\n \"\\t├ [移出结果]: {}\\n\" +\n \"\\t⌞⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓⎓\", containsValue ? \"失败\" : \"成功\");\n return containsValue;\n }\n\n /**\n * 获取在线用户列表\n *\n * @return 返回用户集合\n */\n public static ConcurrentMap getUSERS() {\n return USERS;\n }\n\n /**\n * 群发消息\n *\n * @param message 消息内容\n */\n public static void sendMessageToUsers(String message) {\n Collection values = USERS.values();\n for (Channel value : values) {\n value.write(new TextWebSocketFrame(message));\n value.flush();\n }\n }\n\n /**\n * 给某个人发送消息\n *\n * @param userName key\n * @param message 消息\n */\n public static void sendMessageToUser(String userName, String message) {\n Channel channel = USERS.get(userName);\n channel.write(new TextWebSocketFrame(message));\n channel.flush();\n }\n}" }, { "path": "spring-boot-netty/study-netty/study-server/src/main/resources/application.properties", "content": "" }, { "path": "spring-boot-netty/study-netty/study-server/src/test/java/org/yyx/netty/study/CodeCTest.java", "content": "package org.yyx.netty.study;\n\nimport org.junit.Test;\nimport org.msgpack.MessagePack;\nimport org.slf4j.Logger;\nimport org.slf4j.LoggerFactory;\nimport org.yyx.netty.entity.User;\n\nimport java.io.ByteArrayOutputStream;\nimport java.io.IOException;\nimport java.io.ObjectOutputStream;\nimport java.nio.ByteBuffer;\n\n/**\n *

\n * create by 叶云轩 at 2018/4/12-下午6:50\n * contact by tdg_yyx@foxmail.com\n *\n * @author 叶云轩 contact by tdg_yyx@foxmail.com\n * @date 2018/8/15 - 12:34\n */\npublic class CodeCTest {\n /**\n * CodeCTest 日志控制器\n * Create by 叶云轩 at 2018/4/12 下午6:53\n * Concat at tdg_yyx@foxmail.com\n */\n private static final Logger LOGGER = LoggerFactory.getLogger(CodeCTest.class);\n\n // region jdk序列化与基于ByteBuffer的二进制序列化字节数对比\n @Test\n public void testCodeC() throws IOException {\n User user = new User();\n user.setName(\"yyx\");\n user.setId(1);\n ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();\n ObjectOutputStream objectOutputStream = new ObjectOutputStream(byteArrayOutputStream);\n objectOutputStream.writeObject(user);\n objectOutputStream.flush();\n objectOutputStream.close();\n byte[] bytes = byteArrayOutputStream.toByteArray();\n LOGGER.info(\"--- [JDK] {}\", bytes.length);\n byteArrayOutputStream.close();\n LOGGER.info(\"--- [byte] {}\", user.codeC().length);\n\n MessagePack messagePack = new MessagePack();\n // 序列化\n byte[] write = messagePack.write(user);\n LOGGER.info(\"--- [MessagePack] {}\", write.length);\n }\n // endregion\n\n // region jdk序列化效率与基于ByteBuffer的二进制序列化效率对比\n @Test\n public void testCodec() throws Exception {\n User user = new User();\n user.setName(\"yyx\");\n user.setId(1);\n int loop = 1000000;\n ByteArrayOutputStream bos;\n ObjectOutputStream os;\n long startTime = System.currentTimeMillis();\n for (int i = 0; i < loop; i++) {\n bos = new ByteArrayOutputStream();\n os = new ObjectOutputStream(bos);\n os.writeObject(user);\n os.flush();\n os.close();\n byte[] bytes = bos.toByteArray();\n bos.close();\n }\n long endTime = System.currentTimeMillis();\n LOGGER.info(\"--- [jdk耗时] {}\", endTime - startTime + \"ms\");\n ByteBuffer buffer = ByteBuffer.allocate(1024);\n startTime = System.currentTimeMillis();\n for (int i = 0; i < loop; i++) {\n byte[] bytes = user.codeC(buffer);\n }\n endTime = System.currentTimeMillis();\n LOGGER.info(\"--- [byte耗时] {}\", endTime - startTime + \"ms\");\n startTime = System.currentTimeMillis();\n MessagePack messagePack = new MessagePack();\n for (int i = 0; i < loop; i++) {\n // 序列化\n byte[] write = messagePack.write(user);\n }\n endTime = System.currentTimeMillis();\n LOGGER.info(\"--- [MessagePack 耗时] {}\", endTime - startTime + \"ms\");\n\n\n }\n // endregion\n\n}\n" }, { "path": "spring-boot-netty/study-netty/study-server/src/test/java/org/yyx/netty/study/StudyServerApplicationTests.java", "content": "package org.yyx.netty.study;\n\nimport org.junit.Test;\nimport org.junit.runner.RunWith;\nimport org.springframework.boot.test.context.SpringBootTest;\nimport org.springframework.test.context.junit4.SpringRunner;\nimport org.yyx.netty.study.echo.megpack.MessagePackServer;\nimport org.yyx.netty.study.websocket.WebSocketServer;\n\n@RunWith(SpringRunner.class)\n@SpringBootTest\npublic class StudyServerApplicationTests {\n\n private final int port = 8080;\n\n // region 启动不考虑粘包/拆包问题的netty服务\n @Test\n public void startNettyServer1() throws Exception {\n new org.yyx.netty.study.time.demo1.TimeServer().bind(port);\n }\n // endregion\n\n // region 启动模拟粘包/拆包问题的netty服务\n @Test\n public void startNettyServer2() throws Exception {\n new org.yyx.netty.study.time.demo2.TimeServer().bind(port);\n }\n // endregion\n\n // region 启动已解决粘包/拆包问题的netty服务 - LineBasedFrameDecoder 实现\n @Test\n public void startNettyServer3() throws Exception {\n new org.yyx.netty.study.time.demo3.TimeServer().bind(port);\n }\n // endregion\n\n // region 启动已解决粘包/拆包问题的netty服务 - DelimiterBasedFrameDecoder 实现\n @Test\n public void startNettyServer4() throws Exception {\n new org.yyx.netty.study.echo.delimiter.EchoServer().bind(port);\n }\n // endregion\n\n // region 启动已解决粘包/拆包问题的netty服务 - FixedLengthFrameDecoder 实现\n @Test\n public void startNettyServer5() throws Exception {\n new org.yyx.netty.study.echo.fixlength.EchoServer().bind(port);\n }\n // endregion\n\n // region 启动不考虑粘包/拆包问题 基于MessagePack编解码的Netty服务\n @Test\n public void testMessagePackEchoServer() throws Exception {\n new MessagePackServer().bind(port);\n }\n // endregion\n\n // region 启动WebSocket服务器\n @Test\n public void startWebSocketServer() throws Exception {\n new WebSocketServer().run(9999);\n }\n // endregion\n}" } ]