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添加protocol

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This commit is contained in:
zhuyijun 2021-10-18 19:09:43 +08:00
parent 6312555395
commit 3634fe2ab8
9 changed files with 27 additions and 23 deletions
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5
nettyPro/src/main/java/cn/zyjblogs/netty/protocoltcp/MyClientHandler.java
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@ -19,7 +19,10 @@ public class MyClientHandler extends SimpleChannelInboundHandler<MessageProtocol
*/
@Override
protected void channelRead0(ChannelHandlerContext ctx, MessageProtocol msg) throws Exception {
System.out.println("客户端接收到的消息:");
System.out.println("长度="+msg.getLen());
System.out.println("内容="+new String(msg.getContent(),CharsetUtil.UTF_8));
System.out.println("客户端接收消息包数量="+(++this.count));
}
@Override

3
nettyPro/src/main/java/cn/zyjblogs/netty/protocoltcp/MyClientInitializer.java
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@ -10,7 +10,10 @@ public class MyClientInitializer extends ChannelInitializer<SocketChannel> {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline()
//编码器
.addLast(new MyMessageEncoder())
//解码器
.addLast(new MyMessageDecoder())
.addLast(new MyClientHandler());
}
}

2
nettyPro/src/main/java/cn/zyjblogs/netty/protocoltcp/MyMessageDecoder.java
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@ -13,7 +13,7 @@ public class MyMessageDecoder extends ReplayingDecoder<MessageProtocol> {
@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
System.out.println("MyMessageDecoder方法被调用 解码");
System.out.println("\nMyMessageDecoder方法被调用 解码");
//需要将得到的二进制字节码 转成 MessageProtocol
int length = in.readInt();
byte[] content = new byte[length];

2
nettyPro/src/main/java/cn/zyjblogs/netty/protocoltcp/MyMessageEncoder.java
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@ -9,7 +9,7 @@ public class MyMessageEncoder extends MessageToByteEncoder<MessageProtocol> {
@Override
protected void encode(ChannelHandlerContext ctx, MessageProtocol msg, ByteBuf out) throws Exception {
System.out.println("MyMessageEncoder方法被调用 编码");
System.out.println("\nMyMessageEncoder方法被调用 编码");
out.writeInt(msg.getLen());
out.writeBytes(msg.getContent());
}

13
nettyPro/src/main/java/cn/zyjblogs/netty/protocoltcp/MyServerHandler.java
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@ -7,6 +7,7 @@ import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.util.CharsetUtil;
import java.nio.charset.StandardCharsets;
import java.util.UUID;
public class MyServerHandler extends SimpleChannelInboundHandler<MessageProtocol> {
@ -20,9 +21,19 @@ public class MyServerHandler extends SimpleChannelInboundHandler<MessageProtocol
@Override
protected void channelRead0(ChannelHandlerContext ctx, MessageProtocol msg) throws Exception {
//接收数据，并处理
System.out.println("\n服务端接收信息：");
System.out.println("服务端接收信息：");
System.out.println("长度="+msg.getLen());
System.out.println("内容="+new String(msg.getContent(),CharsetUtil.UTF_8));
System.out.println("服务器接收消息包数量="+(++this.count));
//回复消息
String responseContent = UUID.randomUUID().toString();
int responseLen = responseContent.getBytes(CharsetUtil.UTF_8).length;
MessageProtocol messageProtocol = new MessageProtocol();
messageProtocol.setLen(responseLen);
messageProtocol.setContent(responseContent.getBytes(CharsetUtil.UTF_8));
ctx.writeAndFlush(messageProtocol);
}
}

3
nettyPro/src/main/java/cn/zyjblogs/netty/protocoltcp/MyServerInitializer.java
View File

@ -11,7 +11,10 @@ public class MyServerInitializer extends ChannelInitializer<SocketChannel> {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline()
//解码器
.addLast(new MyMessageDecoder())
//编码器
.addLast(new MyMessageEncoder())
.addLast(new MyServerHandler());
}
}

14
nettyPro/src/main/java/cn/zyjblogs/netty/source/echo/EchoClient.java
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@ -16,21 +16,13 @@
package cn.zyjblogs.netty.source.echo;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.DefaultEventLoopGroup;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.ssl.SslContext;
import io.netty.handler.ssl.SslContextBuilder;
import io.netty.handler.ssl.util.InsecureTrustManagerFactory;
import io.netty.util.concurrent.DefaultEventExecutorGroup;
import io.netty.util.concurrent.EventExecutor;
import io.netty.util.concurrent.EventExecutorGroup;
/**
* Sends one message when a connection is open and echoes back any received
@ -46,7 +38,6 @@ public final class EchoClient {
static final int SIZE = Integer.parseInt(System.getProperty("size", "256"));
public static void main(String[] args) throws Exception {
EventExecutorGroup eventExecutors = new DefaultEventExecutorGroup(4);
// Configure SSL.git
final SslContext sslCtx;
if (SSL) {
@ -71,8 +62,7 @@ public final class EchoClient {
p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
}
//p.addLast(new LoggingHandler(LogLevel.INFO));
//如果在handler前面添加指定EventExecutorGroup，name该handler优先加入到该线程池
p.addLast(eventExecutors,new EchoClientHandler());
p.addLast(new EchoClientHandler());
}
});

2
nettyPro/src/main/java/cn/zyjblogs/netty/source/echo/EchoClientHandler.java
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@ -19,7 +19,6 @@ import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.util.CharsetUtil;
/**
* Handler implementation for the echo client. It initiates the ping-pong
@ -43,7 +42,6 @@ public class EchoClientHandler extends ChannelInboundHandlerAdapter {
@Override
public void channelActive(ChannelHandlerContext ctx) {
ctx.writeAndFlush(firstMessage);
ctx.writeAndFlush(Unpooled.copiedBuffer("你好", CharsetUtil.UTF_8));
}
@Override

6
nettyPro/src/main/java/cn/zyjblogs/netty/source/echo/EchoServer.java
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@ -16,11 +16,7 @@
package cn.zyjblogs.netty.source.echo;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.*;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;