Netty instances-Simple service-side-client implementation, gazing at specific

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1. Netty Server-side implementation
   

   /** * * <p> * Netty Server Simple * </p> * * @author Check Inn HK * @ creation Time: July 7, 2014 * @version: V1.0 */public class Ne Ttyserver {private final int port = 8989; @Testpublic void Nettyserver () {Eventloopgroup bossgroup = new Nioeventloopgroup () ; Eventloopgroup Workergroup = new Nioeventloopgroup (); try {serverbootstrap serverbootstrap = new Serverbootstrap (); Serverbootstrap.group (Bossgroup,workergroup). Channel (nioserversocketchannel.class). Option (Channeloption.so_ BACKLOG, 1024x768). Childhandler (New Childchannelhandler ());//Bind port, synchronous wait channelfuture futrue = serverbootstrap.bind (port) . sync ();//wait for the service listener port to close Futrue.channel (). Closefuture (). sync (); catch (Interruptedexception e) {//TODO auto-generated catch Blocke.printstacktrace ();} finally{//exit, release thread and other related resources bossgroup.shutdowngracefully (); workergroup.shutdowngracefully ();}} Private class Childchannelhandler extends channelinitializer<socketchannel>{@Overrideprotected void Initchannel (Socketchannel ch) throws Exception {Ch.pipeline (). AddLast (New SimpLeserverhandler ());}}} 

   
   
2. Netty Client Implementation
   
   

   /** *  * <p> * nettyclient  Implementation * </p> *  * @author Check Inn HK * @ creation Time: July 7, 2014 * @version: V1.0 */public CLA SS Nettyclient {public void connect (int port,string host) {Eventloopgroup group = new Nioeventloopgroup (); try {Bootstrap bo Otstrap = new Bootstrap (); Bootstrap.group (group). Channel (niosocketchannel.class). Option (Channeloption.tcp_nodelay , true). Handler (new channelinitializer<socketchannel> () {@Overrideprotected void Initchannel (Socketchannel ch) Throws Exception {Ch.pipeline (). AddLast (New Simpleclienthandler ());}); /initiates an asynchronous link operation channelfuture channelfuture = Bootstrap.connect (host, port). sync (); Channelfuture.channel (). Closefuture (). Sync ();} catch (Interruptedexception e) {//TODO auto-generated catch Blocke.printstacktrace ();} finally{//off, releasing thread resources group.shutdowngracefully ();}} @Testpublic void Nettyclient () {new Nettyclient (). Connect (8989, "localhost");}}

   
   
   
4. Serverhander processing Program
   
   

   /** *  * <p> * Server Receive Message Processing handler * </p> *  * @author Check Inn HK * @ creation Time: July 7, 2014 * @version: V1.0 */public cl Simpleserverhandler extends Channelinboundhandleradapter {@Overridepublic void Channelread (Channelhandlercontext CTX, Object msg) throws Exception {bytebuf buf = (bytebuf) msg;byte [] req = new Byte[buf.readablebytes ()];buf.readbytes (re Q); String message = new String (req, "UTF-8"); SYSTEM.OUT.PRINTLN ("netty-server:receive message," + message);}}

   
   
   
5. Clienthander Processing program
   
   

   /** *  * <p> * Client Handler * </p> *  * @author Check Inn HK * @ creation Time: July 7, 2014 * @version: V1.0 */public class S Impleclienthandler extends Channelinboundhandleradapter {private bytebuf clientmessage;public Simpleclienthandler () { byte [] req = "Call-user-service". GetBytes (); clientmessage = Unpooled.buffer (req.length); Clientmessage.writebytes ( REQ);} @Overridepublic void Channelactive (Channelhandlercontext ctx) throws Exception {Ctx.writeandflush (clientmessage);}  @Overridepublic void Channelread (Channelhandlercontext ctx, Object msg) throws Exception {bytebuf buf = (bytebuf) msg;byte [] req = new Byte[buf.readablebytes ()];buf.readbytes (req); String message = new String (req, "UTF-8"); SYSTEM.OUT.PRINTLN ("netty-client:receive message," + message);} @Overridepublic void Exceptioncaught (Channelhandlercontext ctx, Throwable cause) throws Exception {Ctx.close ();}}

   
   
   

Netty instances-Simple service-side-client implementation, gazing at specific