之前写过一篇和本文类似的博客,不过原博客是基于netty3.x实现的,今天整理了一份基于4.0的完整系统分享给大家,希望能对大家有所帮助。
架构细节原博客都有,请参照 [url]http://cpjsjxy.iteye.com/blog/1587601[/url]
propholder.xml
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
config/properties/settings.properties
init-method="init">
destroy-method="shutdown">
settings.properties
app.handler.pool.corePoolSize=16
app.handler.pool.maximumPoolSize=32
app.handler.pool.keepAliveSecond=300
app.handler.pool.name=gamework
app.handler.sleepTime=10
app.channel.readtimeout = 3600
#http socket websocket_text websocket_binary
app.requestType=socket
测试类
TestClient
package com.cp.test;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.LengthFieldBasedFrameDecoder;
import io.netty.handler.codec.LengthFieldPrepender;
import io.netty.handler.codec.http.DefaultFullHttpRequest;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpMethod;
import io.netty.handler.codec.http.HttpRequestEncoder;
import io.netty.handler.codec.http.HttpResponseDecoder;
import io.netty.handler.codec.http.HttpVersion;
import java.net.URI;
import com.cp.domain.ERequestType;
public class TestClient {
public void connect(String host, int port, final ERequestType requestType)
throws Exception {
EventLoopGroup workerGroup = new NioEventLoopGroup();
String msg = "Are you ok?";
if (ERequestType.SOCKET.equals(requestType)) {
try {
Bootstrap b = new Bootstrap();
b.group(workerGroup);
b.channel(NioSocketChannel.class).option(
ChannelOption.TCP_NODELAY, true);
b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000);
b.handler(new ChannelInitializer() {
@Override
protected void initChannel(SocketChannel ch)
throws Exception {
ch.pipeline().addLast(
"encode",
new LengthFieldBasedFrameDecoder(
Integer.MAX_VALUE, 0, 4, 0, 4));
ch.pipeline().addLast("decode",
new LengthFieldPrepender(4));
ch.pipeline().addLast("handler",
new ClientInboundHandler());
}
});
ChannelFuture f = b.connect(host, port).sync();
ByteBuf messageData = Unpooled.buffer();
messageData.writeInt(999);
messageData.writeInt(msg.length());
messageData.writeBytes(msg.getBytes());
f.channel().writeAndFlush(messageData).sync();
f.channel().closeFuture().sync();
} catch (Exception e) {
e.printStackTrace();
}
} else if (ERequestType.HTTP.equals(requestType)) {
Bootstrap b = new Bootstrap();
b.group(workerGroup);
b.channel(NioSocketChannel.class);
b.option(ChannelOption.SO_KEEPALIVE, true);
b.handler(new ChannelInitializer() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
// 客户端接收到的是httpResponse响应,所以要使用HttpResponseDecoder进行解码
ch.pipeline().addLast(new HttpResponseDecoder());
// 客户端发送的是httprequest,所以要使用HttpRequestEncoder进行编码
ch.pipeline().addLast(new HttpRequestEncoder());
ch.pipeline().addLast(new ClientInboundHandler());
}
});
ChannelFuture f = b.connect(host, port).sync();
b.channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY,true);
b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000);
URI uri = new URI("http://" + host + ":" + port);
DefaultFullHttpRequest request = new DefaultFullHttpRequest(
HttpVersion.HTTP_1_1, HttpMethod.POST, uri.toASCIIString(),
Unpooled.wrappedBuffer(msg.getBytes("UTF-8")));
// 构建http请求
request.headers().set(HttpHeaders.Names.HOST, host);
request.headers().set(HttpHeaders.Names.CONNECTION,
HttpHeaders.Values.KEEP_ALIVE);
request.headers().set(HttpHeaders.Names.CONTENT_LENGTH,
request.content().readableBytes());
// 发送http请求
f.channel().write(request);
f.channel().flush();
f.channel().closeFuture().sync();
}
try {
} finally {
workerGroup.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
TestClient client = new TestClient();
client.connect("127.0.0.1", 8080, ERequestType.SOCKET);
}
}
ClientInboundHandler
package com.cp.test;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import io.netty.handler.codec.http.HttpContent;
import io.netty.handler.codec.http.HttpHeaders;
import io.netty.handler.codec.http.HttpResponse;
public class ClientInboundHandler extends ChannelInboundHandlerAdapter {
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg)
throws Exception {
if (msg instanceof HttpResponse) {
HttpResponse response = (HttpResponse) msg;
System.out.println("CONTENT_TYPE:"
+ response.headers().get(HttpHeaders.Names.CONTENT_TYPE));
}
if (msg instanceof HttpContent) {
HttpContent content = (HttpContent) msg;
ByteBuf buf = content.content();
System.out.println(buf.toString(io.netty.util.CharsetUtil.UTF_8));
buf.release();
}
if (msg instanceof ByteBuf) {
ByteBuf messageData = (ByteBuf) msg;
int commandId = messageData.readInt();
int length = messageData.readInt();
byte[] c = new byte[length];
messageData.readBytes(c);
System.out.println("commandId:"+commandId+"\tmessage:"+new String(c));
}
}
}
本测试代码已经过http、socket、websocket测试。
鉴于很多朋友想深入交流,特提供源码demo项目下载地址:
https://github.com/pofuchenzhou/netty-spring-game.git