Netty 服务器客户端，发送自定义消息
Netty 5 的包
服务器，四个java文件
1 SubReqServer.java
package com.test.netty;
import io.netty.bootstrap.ServerBootstrap;
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.NioServerSocketChannel;
import io.netty.handler.codec.serialization.ClassResolvers;
import io.netty.handler.codec.serialization.ObjectDecoder;
import io.netty.handler.codec.serialization.ObjectEncoder;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;
public class SubReqServer {
public void bind(int nPort) throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try{
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new ChannelInitializer<SocketChannel>(){
@Override
public void initChannel(SocketChannel ch) throws Exception{
ch.pipeline()
.addLast(
new ObjectDecoder(1024*1024,
ClassResolvers.weakCachingConcurrentResolver(this.getClass().getClassLoader())))
.addLast(new ObjectEncoder())
.addLast(new SubReqServerHandler());
}
});
ChannelFuture f = b.bind(nPort).sync();
System.out.println("---------------wait for connect");
f.channel().closeFuture().sync();
}finally {
System.out.println("---------------wait for connect Error!");
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public static void main(String[] args){
int nPort = 5656;
nPort = Integer.valueOf(nPort);
System.out.println("---------------Main start");
try {
new SubReqServer().bind(nPort);
} catch (Exception e) {
System.out.println("---------------Main Error");
e.printStackTrace();
}
}
}
2 SubReqServerHandler.java
package com.test.netty;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
public class SubReqServerHandler extends ChannelHandlerAdapter{
@Override
public void channelActive(ChannelHandlerContext ctx){
System.out.println("--------------------------------handler channelActive------------");
// for(int i = 0; i<10; i++){
// SubscribeReq req = new SubscribeReq();
// req.setAddress("深圳JJYY");
// req.setPhoneNumber("13888886666");
// req.setProductName("Netty Book");
// req.setSubReqID(i);
// req.setUserName("XXYY");
// ctx.write(req);
// }
// ctx.flush();
}
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg)
throws Exception{
// SubscribeReq reqx = new SubscribeReq();
// reqx.setAddress("*****深圳蛇口");
// reqx.setPhoneNumber("13888886666");
// reqx.setProductName("Netty Book");
// reqx.setSubReqID(6666);
// reqx.setUserName("XXYY");
// ctx.write(reqx);
// ctx.flush();
//
SubscribeResp resp = new SubscribeResp();
resp.setnSubReqID(555);
resp.setRespCode(0);
resp.setDesc("-------Netty book order succeed, 3days later, sent to the designated address");
ctx.writeAndFlush(resp); // 反馈消息
//ctx.write(resp);
//ctx.flush();
SubscribeReq req = (SubscribeReq)msg; // 订购内容
if("XXYY".equalsIgnoreCase(req.getUserName())){
System.out.println("接收到的数据: [ " + req.toString() + " ]");
}
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause){
System.out.println("---------------exceptionCaught 网络异常，关闭网络");
cause.printStackTrace();
ctx.close();
}
}
3 SubscribeReq.java
package com.test.netty;
import java.io.Serializable;
public class SubscribeReq implements Serializable{
private static final long nSerialVerUID = 1L;
private int nSubReqID;
private String strUserName;
private String strProductName;
private String strPhoneNumber;
private String strAddr;
public final int getSubReqID(){
return nSubReqID;
}
public final void setSubReqID(int nSubReqID){
this.nSubReqID = nSubReqID;
}
public final String getUserName(){
return strUserName;
}
public final void setUserName(String strUserName){
this.strUserName = strUserName;
}
public final String getProductName(){
return strProductName;
}
public final void setProductName(String strProductName){
this.strProductName = strProductName;
}
public final String getPhoneNumber(){
return strPhoneNumber;
}
public final void setPhoneNumber(String strPhoneNumber){
this.strPhoneNumber = strPhoneNumber;
}
public final String getAddress(){
return strAddr;
}
public final void setAddress(String strAddr){
this.strAddr = strAddr;
}
@Override
public String toString(){
return "----SubscribeReq[subReqID="+ nSubReqID + ",userName="+ strUserName
+",productName="+strProductName+",phoneNumber="+strPhoneNumber
+",address"+strAddr+"]";
}
}
4 SubscribeResp.java
package com.test.netty;
import java.io.Serializable;
public class SubscribeResp implements Serializable{
private static final long nSerialVerUID = 2L;
private int nSubReqID;
private int nRespCode;
private String strDesc;
public final int getnSubReqID() {
return nSubReqID;
}
public final void setnSubReqID(int nSubReqID) {
this.nSubReqID = nSubReqID;
}
public final int getnRespCode() {
return nRespCode;
}
public final void setRespCode(int nRespCode) {
this.nRespCode = nRespCode;
}
public final String getstrDesc() {
return strDesc;
}
public final void setDesc(String strDesc) {
this.strDesc = strDesc;
}
@Override
public String toString() {
return "SubscribeResp [nSubReqID=" + nSubReqID + ", nRespCode=" + nRespCode
+ ", strDesc=" + strDesc + "]";
}
}
客户端 ：
SubReqClient.java
SubReqClientHand.java
SubscribeReq.java
SubscribeResp.java
和服务器一致
1 SubReqClient.java
package com.test.netty;
import io.netty.bootstrap.Bootstrap;
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.serialization.ClassResolvers;
import io.netty.handler.codec.serialization.ObjectDecoder;
import io.netty.handler.codec.serialization.ObjectEncoder;
public class SubReqClient {
public void connect(int nPort, String strHost) throws Exception{
EventLoopGroup group = new NioEventLoopGroup();
try{
Bootstrap b = new Bootstrap();
b.group(group).channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(new ChannelInitializer<SocketChannel>(){
@Override
public void initChannel(SocketChannel ch) throws Exception{
ch.pipeline().addLast(
new ObjectDecoder(1024, ClassResolvers
.cacheDisabled(this.getClass().getClassLoader())));
ch.pipeline().addLast(new ObjectEncoder());
ch.pipeline().addLast(new SubReqClientHanler());
}
});
ChannelFuture f = b.connect(strHost, nPort).sync();
// if(f.isSuccess()){
// System.out.println("----------------main get channel");
// }else{
// System.out.println("----------------main get channel ---f.channel().closeFuture().sync(); END!!!!");
// }
f.channel().closeFuture().sync();
// f.channel().closeFuture();
}finally{
System.out.println("----------------main get channel Error !!! ---------");
// group.shutdownGracefully();
}
}
public static void main(String[] args){
int nPort = 5656;
String strHost = "127.0.0.1";
try {
System.out.println("----------------main connect");
new SubReqClient().connect(nPort, strHost);
} catch (Exception e) {
System.out.println("----------------main Error");
e.printStackTrace();
}
}
}
2 SubReqClient.java
package com.test.netty;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
public class SubReqClientHanler extends ChannelHandlerAdapter{
public SubReqClientHanler(){
}
@Override
public void channelActive(ChannelHandlerContext ctx){
System.out.println("----------------handler channelActive-----准备发送十个数据-------");
for(int i = 0; i<10; i++){
// ctx.write(subReq(i));
SubscribeReq req = new SubscribeReq();
req.setAddress("深圳蛇口");
req.setPhoneNumber("13888886666");
req.setProductName("Netty Book");
req.setSubReqID(i);
req.setUserName("XXYY");
ctx.write(req);
}
ctx.flush();
}
@Override
public void channelRead(ChannelHandlerContext ctx, Object msg)
throws Exception{
System.out.println("--------channelRead---服务器发来的数据为：[" + msg + "]");
}
@Override
public void channelReadComplete(ChannelHandlerContext ctx)
throws Exception{
System.out.println("----------------handler channelReadComplete");
ctx.flush();
}
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause){
System.out.println("--------------------------------------------------------------------------handler exceptionCaught");
cause.printStackTrace();
ctx.close();
}
}
服务器端：
---------------Main start
三月 30, 2016 2:47:15 下午 io.netty.handler.logging.LoggingHandler channelRegistered
信息: [id: 0x00370b13] REGISTERED
三月 30, 2016 2:47:15 下午 io.netty.handler.logging.LoggingHandler bind
信息: [id: 0x00370b13] BIND: 0.0.0.0/0.0.0.0:5656
---------------wait for connect
三月 30, 2016 2:47:15 下午 io.netty.handler.logging.LoggingHandler channelActive
信息: [id: 0x00370b13, /0:0:0:0:0:0:0:0:5656] ACTIVE
三月 30, 2016 2:47:24 下午 io.netty.handler.logging.LoggingHandler channelRead
信息: [id: 0x00370b13, /0:0:0:0:0:0:0:0:5656] RECEIVED: [id: 0x9e332f55, /127.0.0.1:56219 => /127.0.0.1:5656]
--------------------------------handler channelActive------------
接收到的数据: [ ----SubscribeReq[subReqID=0,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=1,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=2,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=3,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=4,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=5,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=6,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=7,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=8,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
接收到的数据: [ ----SubscribeReq[subReqID=9,userName=XXYY,productName=Netty Book,phoneNumber=13888886666,address深圳蛇口] ]
客户端：
----------------main connect
----------------handler channelActive-----准备发送十个数据-------
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
----------------handler channelReadComplete
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
--------channelRead---服务器发来的数据为：[SubscribeResp [nSubReqID=555, nRespCode=0, strDesc=-------Netty book order succeed, 3days later, sent to the designated address]]
----------------handler channelReadComplete
源码
http://download.csdn.net/detail/yulinxx/9476749