grizzly学习例子

最新推荐文章于 2021-03-19 15:38:41 发布

cystalplane

最新推荐文章于 2021-03-19 15:38:41 发布

阅读量2.7k

点赞数

CC 4.0 BY-SA版权

分类专栏： grizzly 文章标签： exception null object thread string server

本文链接：https://blog.youkuaiyun.com/cystalplane/article/details/4208153

grizzly 专栏收录该内容

1 篇文章

订阅专栏

package com.ntg.frameWork.act.AppFrame;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Vector;
import java.util.concurrent.CountDownLatch;

import java.util.logging.Level;

import com.ntg.frameWork.act.Event;
import com.ntg.frameWork.act.custprotocal.CustomProtocolParser;
import com.ntg.frameWork.util.Functions;

import com.sun.grizzly.BaseSelectionKeyHandler;
import com.sun.grizzly.Context;
import com.sun.grizzly.Controller;
import com.sun.grizzly.ControllerStateListenerAdapter;
import com.sun.grizzly.DefaultProtocolChain;
import com.sun.grizzly.ProtocolChain;
import com.sun.grizzly.ProtocolChainInstanceHandler;
import com.sun.grizzly.SSLConfig;
import com.sun.grizzly.SSLConnectorHandler;
import com.sun.grizzly.SSLSelectorHandler;
import com.sun.grizzly.TCPSelectorHandler;
import com.sun.grizzly.async.AsyncWriteCallbackHandler;
import com.sun.grizzly.filter.ParserProtocolFilter;
import com.sun.grizzly.util.DefaultThreadPool;

/*
* 消息处理基类
* 继承此类都有消息队列处理功能
*/
public abstract class BaseServer implements Runnable{
//是否继续运行
private boolean bKeepingRunning;
//事件队列
private Vector<Event> events;

    private int port=8078;
    private Controller controller;
    private BaseFilter serverDispatcher;
    private Controller.Protocol protocol;
    private SSLConfig sslConfig;

public BaseServer(){
  bKeepingRunning = true;
  events = new Vector<Event>();
  //注册到全局消息中心
}
/*
* 处理消息
*/
public abstract void OnEvent(Object [] ev) throws InterruptedException ;
/*
* 处理执行异常
*/
public abstract void OnException(Exception e);
/*
* 处理退出
*/
public abstract void OnExit();

public boolean isBKeepingRunning() {
return bKeepingRunning;
}

public void setBKeepingRunning(boolean keepingRunning) {
bKeepingRunning = keepingRunning;
}

public void run(){
  try{
   while(bKeepingRunning)
       dealEvent();
    }catch(Exception e){
      e.printStackTrace();
      OnException(e);
    }

    OnExit();
}
/*
* 触发消息
*/
public synchronized void RaisEvent(Event et){

events.addElement(et);

  notify();
}

private void dealEvent() throws InterruptedException{
  Object [] ev = getCurrentEvents();

  if(ev==null)return;

  OnEvent(ev);
}

private Vector<Event> getEvents() {

  return events;
}
/*
* 获取当前消息队列，如果队列为空，则阻塞
*/
private Object[] getCurrentEvents() throws InterruptedException {

  Object [] ev = null;
  if(getEvents().size()==0){
   //只有队列空的时候才进行等待
      synchronized(this){
       wait();

       ev=getEvents().toArray();
       //移除的时候要按索引移除，防止移除过程中，有新的加入
       for(int k=0;k<ev.length;k++)
        getEvents().removeElement(ev[k]);

      }
  }else{
   ev=getEvents().toArray();
   for(int k=0;k<ev.length;k++)
    getEvents().removeElement(ev[k]);
  }

  return ev;
}

    /**
     * Starts this server.
     */
    public void startServer(int iPort) {
    port = iPort;
        //ReplyMessageFactory replyMessageFactory = new ReplyMessageFactory();
        controller = new Controller();
        DefaultThreadPool defp = new DefaultThreadPool();
        defp.setInitialByteBufferSize(Functions.MAXREQLEN);
        controller.setThreadPool(defp);
        TCPSelectorHandler tcpSelectorHandler =
                (protocol == Controller.Protocol.TLS) ? new SSLSelectorHandler() : new TCPSelectorHandler();

        BaseSelectionKeyHandler keyHandler = new BaseSelectionKeyHandler();
        tcpSelectorHandler.setSelectionKeyHandler(keyHandler);
        tcpSelectorHandler.setPort(port);
        controller.addSelectorHandler(tcpSelectorHandler);

        final DefaultProtocolChain protocolChain = new DefaultProtocolChain();
//        protocolChain.addFilter(CustomProtocolParser.createParserProtocolFilter(null, replyMessageFactory, sslConfig));
        protocolChain.addFilter( getNewParser());


  CustomProtocolParser parser = new CustomProtocolParser(sslConfig);
  parser.setBytesArrivedListener(null);
        serverDispatcher = new BaseFilter(this);

        System.out.println("creteated new dispatcher");
        protocolChain.addFilter(serverDispatcher);
        protocolChain.setContinuousExecution(true);

        controller.setProtocolChainInstanceHandler(
                new ProtocolChainInstanceHandler() {
                    public ProtocolChain poll() {
                        return protocolChain;
                    }

public boolean offer(ProtocolChain protocolChain) {
return false;

                    }
                });
        System.out.print("Server : Starting server on port :" + port);
        startController(controller);
        if (sslConfig != null) {
            ((SSLConnectorHandler) controller.acquireConnectorHandler(protocol)).configure(sslConfig);
            System.out.println(" SSL Mode");
        } else {
            System.out.println();
        }
    }

    /**
     * Stops this server
     */
    public void stopServer() {

        stopController(controller);
        System.out.println("Server : Stopping server on port :" + port);
    }

    public abstract void stop();

    public void startController(final Controller controller) {
        final CountDownLatch latch = new CountDownLatch(1);
        controller.addStateListener(new ControllerStateListenerAdapter() {
            @Override
            public void onReady() {
                latch.countDown();
            }

            @Override
            public void onException(Throwable e) {
                if (latch.getCount() > 0) {
                    Controller.logger().log(Level.SEVERE, "Exception during " +
                            "starting the controller", e);
                    latch.countDown();
                } else {
                    Controller.logger().log(Level.SEVERE, "Exception during " +
                            "controller processing", e);
                }
            }
        });

        new Thread(controller).start();

        try {
            latch.await();
        } catch (InterruptedException ex) {
        }

        if (!controller.isStarted()) {
            throw new IllegalStateException("Controller is not started!");
        }
    }
    /**
     * Stop controller in seperate thread
     */
    public void stopController(Controller controller) {
        try {
            controller.stop();
        } catch(IOException e) {
        e.printStackTrace();
        }
    }

    /*
     * 实现接收解析器
     */
    public abstract ParserProtocolFilter getNewParser();

    public abstract void service(Object reqObj,final Context ctx);
}

package com.ntg.frameWork.act.AppFrame;

import java.io.IOException;
import java.util.concurrent.RejectedExecutionException;

import com.sun.grizzly.Context;
import com.sun.grizzly.ProtocolFilter;
import com.sun.grizzly.ProtocolParser;

public class BaseFilter implements ProtocolFilter {
//    private ExecutorService executorService = null;
//    protected final ThreadGroup threadGroup = new ThreadGroup("GrizzlySample");
//    protected int threadCounter = 0;
    private boolean shuttingDown = false;
    private BaseServer theServer;

    BaseFilter(BaseServer bserver){
    super();
    theServer = bserver;
    }


    public boolean postExecute(Context ctx) throws IOException {

        return true;
    }

public boolean execute(final Context workerCtx) throws IOException {


  final Object incomingMessage = workerCtx.removeAttribute(ProtocolParser.MESSAGE);

workerCtx.incrementRefCount();

try {
theServer.service(incomingMessage ,workerCtx);

        } catch (RejectedExecutionException exception) {
            workerCtx.getController().returnContext(workerCtx);
            if (shuttingDown) {
                //Ok do nothing because client is shutting down
            } else {
                exception.printStackTrace();
            }

        }
        catch (Throwable exception) {
            exception.printStackTrace();
            workerCtx.getController().returnContext(workerCtx);
        }

        return false;
    }

//    public void onMessageError(Object msg, Context ctx) {
//        System.out.println("error");
//    }

//    public void onRequestMessage(Object msg, Context ctx) {
//
//    ByteBuffer retObj = theServer.service(msg ,ctx);
//
//        try {
//            ctx.getAsyncQueueWritable().writeToAsyncQueue(retObj, theServer);
//
//        } catch (IOException e) {
//            if (ctx.getSelectionKey().isValid()) {
//            theServer.onException(e, null, retObj, null);
//            }
//        }
//    }

//    public void stop() {
//        if (executorService != null) {
//            shuttingDown = true;
//            executorService.shutdown();
//            try {
//                executorService.awaitTermination(2, TimeUnit.SECONDS);
//            } catch (InterruptedException e) {
//
//            }
//            executorService.isTerminated();
//        }
//    }

}

package com.ntg.frameWork.act;

/*
* 消息队列
*/
public class Event{
/*
* 事件类型：
* ACTION：收到完整请求
* PUSH：需要推送数据
*/
private String type;
private Object eventObj;
public Object getEventObj() {
  return eventObj;
}
public void setEventObj(Object eventObj) {
  this.eventObj = eventObj;
}
public String getType() {
  return type;
}
public void setType(String type) {
  this.type = type;
}

}

import java.io.FileInputStream;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;

import org.apache.log4j.Logger;
import org.apache.log4j.PropertyConfigurator;

import com.ntg.frameWork.act.BaseActForm;
import com.ntg.frameWork.act.BaseAction;
import com.ntg.frameWork.act.DataForm;
import com.ntg.frameWork.act.Event;
import com.ntg.frameWork.act.FormCreator;
import com.ntg.frameWork.act.PageForm;
import com.ntg.frameWork.act.AppFrame.BaseServer;
import com.ntg.frameWork.cache.BusinessCache;
import com.ntg.frameWork.cache.CacheUtil;
import com.ntg.frameWork.config.AppConfig;
import com.ntg.frameWork.config.Protocal;
import com.ntg.frameWork.page.PageManager;
import com.sun.grizzly.Context;
import com.sun.grizzly.ProtocolParser;
import com.sun.grizzly.filter.ParserProtocolFilter;
import com.wutka.jox.JOXBeanInputStream;

public class AppServer extends BaseServer {

private ExecutorService executorService = null;

protected final ThreadGroup threadGroup = new ThreadGroup("GrizzlySample");

protected int threadCounter = 0;

private boolean shuttingDown = false;

private static String ClassName = AppServer.class.getName();

private Logger log;

private AppConfig appcfg;

public AppServer() {
  super();
  // 初始化
  init();

}

public void service(final Object retObj, final Context workerCtx) {
  synchronized (this) {
   if (executorService == null) {
    executorService = Executors
      .newCachedThreadPool(new ThreadFactory() {
       public Thread newThread(Runnable r) {
        return new Thread(threadGroup, r,
          "SampleThread No." + (++threadCounter));
       }
      });
   }
  }

executorService.execute(new Runnable() {

public void run() {
});

}

/*
* 处理消息
*/
public void OnEvent(Object[] ev) throws InterruptedException {
  for (int i = 0; i < ev.length; i++) {
   Event evObj = (Event) ev[i];
   if (Functions.EVENT_EXIT.endsWith(evObj.getType())) {
    // 退出线程

    setBKeepingRunning(false);
    break;
   }
  }
}

/*
* 处理退出
*/
public void OnExit() {
stop();
}

/*
* 处理运行时异常
*/
public void OnException(Exception e) {

}

public ParserProtocolFilter getNewParser() {
  return new ParserProtocolFilter() {
   public ProtocolParser newProtocolParser() {
    CustomProtocolParser parser = new CustomProtocolParser(null);
    parser.setBytesArrivedListener(null);
    // parser.setReplyMessageFactory(replyInputStreamFactory);
    return parser;
   }
  };
}

public void shutdown() {
super.stopServer();
this.stop();
}

public void stop() {


//  try {
//   mMapUpdateTask mmt= new MLineTimer().new mMapUpdateTask();
//   mmt.objectSerial();
//  } catch (Exception e1) {
//   // TODO 自动生成 catch 块
//   e1.printStackTrace();
//  }

  if (executorService != null) {
   shuttingDown = true;
   executorService.shutdown();
   try {
    executorService.awaitTermination(2, TimeUnit.SECONDS);
   } catch (InterruptedException e) {

   }
   executorService.isTerminated();
  }

  try {
   // ServerSocket
   // SvrSocket.close();
   // 行情
   if (server != null && server.isAlive())
    server.interrupt();
   // 资讯定时刷新cache
   if (refreshZixunJob != null) {
    refreshZixunJob.interrupt();
    refreshZixunJob.join(1000);
   }

   // 资讯定时刷新cache
   if (refreshVideoJob != null) {
    refreshVideoJob.interrupt();
    refreshVideoJob.join(1000);
   }

   if (tokenToDBJob != null) {
    tokenToDBJob.interrupt();
    tokenToDBJob.join(1000);
   }

   // // 港股行情
   // if (HKServerSocket != null){
   // HKServerSocket.interrupt();
   // HKServerSocket.join(1000);
   // }
   MapDBPool.instance().emptyPool();

   //QueryContent.close();

   StockFromServer.terminate();

   if (xqmng != null)
    xqmng.shutdown();
  } catch (Exception e) {
   e.printStackTrace();
  }

}

protected void init() {
// 读取配置
}

private void configLog4jPath() {
  String logPath = Functions.getAppConfigPath() + "log4j.properties";
  PropertyConfigurator.configure(logPath);
  log = Logger.getLogger(ClassName);
  log.info("logPath=" + logPath);
}

private void loadCacheDefaultValue() {

}

public static void main(String[] args) {

  AppServer appServer = new AppServer();
  Thread app = new Thread(appServer, "AppServer");
  // 判断参数，-stop为停止应用服务器，否则为启动服务器

app.start();
appServer.stopServer();
}

}