io.baltoro.remote.WSProbe2 Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of client-lib Show documentation
baltoto client lib
There is a newer version: 4.0.12
package io.baltoro.remote;

import java.nio.ByteBuffer;
import java.util.logging.Logger;

import javax.servlet.http.HttpSession;
import javax.websocket.EndpointConfig;
import javax.websocket.OnClose;
import javax.websocket.OnMessage;
import javax.websocket.OnOpen;
import javax.websocket.Session;
import javax.websocket.server.ServerEndpoint;

import org.apache.tomcat.websocket.WsSession;


@ServerEndpoint(value = "/probe2")
public class WSProbe2
{
	static Logger log = Logger.getLogger(WSProbe2.class.getSimpleName());
	
	String examUuid;
	ByteBuffer notFoundBytes = ByteBuffer.wrap(new byte[]{10,10,10,10});
	int lastFrameSend;
	String syncKey;

	@OnOpen
	public void onOpen(Session _session, EndpointConfig config)
	{
		WsSession session = (WsSession) _session;
		System.out.println("Open Web  WS Connection ... "+session);
		
		HttpSession httpSession = HTTPSessions.getSession(session.getHttpSessionId());
		if(httpSession == null)
		{
			System.out.println("restart browser ... httpsession is null");
		}
		
		examUuid = (String) httpSession.getAttribute("examUuid");
		
		WSProbe1.examMap.put("WLPBHLA002", examUuid);
		
	}

	@OnClose
	public void onClose(Session _session)
	{
		WsSession session = (WsSession) _session;
		System.out.println("Close Web  WS2 Connection ... "+session);
		
		WSProbe1.examMap.remove("WLPBHLA002");
		WSProbe1 probe = WSProbe1.probeMap.get("WLPBHLA002");
		probe.sendMessage("stop");
	}

	

	@OnMessage
	public void onMessage(String text, Session session) throws Exception
	{
		System.out.println(" >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> income : "+text);
		
		
		
		WSProbe1 probe = WSProbe1.probeMap.get("WLPBHLA002");
		
		
		if(probe == null)
		{
			System.out.println(" can't find probe data .... may be not started ");
			session.getBasicRemote().sendBinary(notFoundBytes);
			return;
		}
		
		if(text.equals("stop"))
		{
			WSProbe1.examMap.remove("WLPBHLA002");
			probe.sendMessage(text);
		}
		else
		{
			this.examUuid = text;
			WSProbe1.examMap.put("WLPBHLA002", examUuid);
		}
		
		
		if(probe.lastFrame == -1)
		{
			try
			{
				Thread.sleep(500);
				System.out.println("nothing to send  >> ......... "+probe);
				session.getBasicRemote().sendBinary(notFoundBytes);
				return;
			} 
			catch (Exception e)
			{
				e.printStackTrace();
			}
			
		}
		
		
		
	
			
			if(lastFrameSend == probe.lastFrame)
			{
				
				//System.out.println(" lastframe is same : 1"+lastFrameSend);
				
				String syncKey = examUuid+"-sync";
				synchronized(syncKey.intern())
				{
					long t0 = System.currentTimeMillis();
					
					syncKey.intern().wait(1000);
					
					long t1 = System.currentTimeMillis();
					
					//System.out.println(" ....... wait ("+(t1-t0)+") ");
				}
				
				
				
				
				
				if(lastFrameSend == probe.lastFrame)
				{
					System.out.println("live -> scan lastframe is same : 2   -> "+lastFrameSend);
					session.getBasicRemote().sendBinary(notFoundBytes);
					return;
				}
			}
			
			
				
			byte[] bytes = probe.lastFrameBytes;
			
			if(bytes != null)
			{
				System.out.println(" **** >>>>>>>>>>>>>> sending ("+bytes.length+") to brower {"+probe.lastFrame+"}");
				session.getBasicRemote().sendBinary(ByteBuffer.wrap(bytes));
			}
			
			lastFrameSend = probe.lastFrame;
			
			
			
	
	}
	
}