Package com.sun.messaging.jmq.jmsclient.protocol.direct

Source Code of com.sun.messaging.jmq.jmsclient.protocol.direct.DirectConnectionHandler

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package com.sun.messaging.jmq.jmsclient.protocol.direct;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Properties;
import java.util.concurrent.BlockingQueue;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.jms.JMSException;

import com.sun.messaging.jmq.io.Packet;
import com.sun.messaging.jmq.io.PacketType;
import com.sun.messaging.jmq.io.ReadOnlyPacket;
import com.sun.messaging.jmq.io.ReadWritePacket;
import com.sun.messaging.jmq.jmsclient.ConnectionHandler;
import com.sun.messaging.jmq.jmsclient.ConnectionImpl;
import com.sun.messaging.jmq.jmsclient.MQAddress;
import com.sun.messaging.jmq.jmsclient.PacketDispatcher;
import com.sun.messaging.jmq.jmsclient.resources.ClientResources;
import com.sun.messaging.jmq.jmsclient.runtime.ClientRuntime;
import com.sun.messaging.jmq.jmsclient.runtime.impl.BrokerInstanceImpl;
import com.sun.messaging.jmq.jmsclient.runtime.impl.ClientRuntimeImpl;
import com.sun.messaging.jmq.jmsclient.runtime.impl.DirectBrokerInstance;
//import com.sun.messaging.jmq.jmsclient.runtime.impl.DirectConnection;
import com.sun.messaging.jmq.jmsserver.service.imq.IMQDualThreadConnection;
import com.sun.messaging.jmq.jmsservice.DirectBrokerConnection;
import com.sun.messaging.jmq.jmsservice.HandOffQueue;

public class DirectConnectionHandler implements ConnectionHandler {
 
  private HandOffQueue inBoundQ = null;
  private HandOffQueue outBoundQ = null;
  private DirectBrokerConnection directConnection = null;
 
  private ConnectionImpl connection = null;
 
  private volatile boolean isClosed = false;
 
  private static boolean directDebug = Boolean.getBoolean("imq.direct.debug");
 
  public boolean isDirectMode(){
    return true;
  }
   
  public DirectConnectionHandler (Object connection) throws JMSException {
   
    this.connection = (ConnectionImpl) connection;
    this.init();
   
    if (directDebug) {
      ConnectionImpl.getConnectionLogger().info("Direct connection handler created...");
    }
  }
 
  public DirectConnectionHandler (MQAddress addr, ConnectionImpl conn) throws JMSException {
    this.connection = conn;
    this.init();
   
    if (directDebug) {
      ConnectionImpl.getConnectionLogger().info("Direct connection handler created...");
    }
  }
 
  private void init() throws JMSException {
   
    try {
     
      boolean isdirect = ClientRuntime.getRuntime().isEmbeddedBrokerRunning();
     
      if (isdirect) {
       
        //get direct broker instance
        ClientRuntimeImpl runtime = (ClientRuntimeImpl) ClientRuntime.getRuntime();
        //get direct connection
        this.directConnection = runtime.createDirectConnection();
         
        //get inbound q
        this.inBoundQ = this.directConnection.getBrokerToClientQueue();
        //get outbound q
        this.outBoundQ = this.directConnection.getClientToBrokerQueue();
               
      } else {
        //Direct mode must be initialized
        throw new RuntimeException ("Direct broker not initialized for this client runtime.");
      }
     
    } catch (Exception e) {
     
      //ConnectionImpl.getConnectionLogger().log (Level.WARNING, e.getMessage(), e);
     
      e.printStackTrace();
     
      JMSException jmse = new JMSException (e.getMessage());
      jmse.setLinkedException(e);
     
      throw jmse;
    }
  }
 
  /**
   * This method is used only if "dual-thread" mode is being used and "sync replies" have been enabled
   *
   * Configure the IMQDualThreadConnection to use the specified ReplyDispatcher to process reply packets
   *
   * @param rd The ReplyDispatcher to be configured
   */
  public void setReplyDispatcher(PacketDispatcher rd){
    ((IMQDualThreadConnection)directConnection).setReplyDispatcher(rd);
  }
 
  public void writePacket (ReadWritePacket pkt) throws IOException {
   
    try {
     
      if (isClosed) {
        throw new IOException ("Connection is closed.");
      }
     
      pkt.updateSequenceNumber();

      pkt.updateTimestamp();

      pkt.updateBuffers();
     
      ReadWritePacket newPkt = (ReadWritePacket) pkt.clone();
      this.outBoundQ.put(newPkt);
     
      if (directDebug) {
        System.out.println("Direct connection wrote pkt..." + newPkt);
        //pkt.dump(System.out);
        System.out.flush();
      }
     
    } catch (IOException ioe) {
      throw ioe;
    } catch (Exception e) {
      IOException ioe = new IOException(e.getMessage());
      throw ioe;
    }
   
    //XXX write to inbound for short-circuit client only testing
    //this.inBoundQ.put(newPkt);
  }
 
  public ReadWritePacket readPacket () throws IOException {
   
    ReadWritePacket pkt = null;
   
    //ConnectionImpl.getConnectionLogger().info("Direct connection reading pkt ...");
   
    try {
     
      if (isClosed == false) {
        pkt = (ReadWritePacket) this.inBoundQ.take();
      }
     
      if (directDebug) {
        System.out.println("Direct connection read pkt..." + pkt);
        //pkt.dump(System.out);
        System.out.flush();
      }
     
      if (isClosed) {
        throw new IOException ("Connection is closed.");
      }
     
    } catch (InterruptedException inte) {
      ;
    }
   
    return pkt;
  }
 
  public synchronized void close() throws IOException {
   
    if (isClosed) {
      return;
    }
   
    // TODO Auto-generated method stub
    ReadWritePacket pkt = new ReadWritePacket();
   
    pkt.setPacketType(PacketType.NONE);
   
    this.isClosed = true;
   
    //wake up read channel
    try {
      this.inBoundQ.put(pkt);
    } catch (Exception e) {
      IOException ioe = new IOException (e.getMessage());
      throw ioe;
    }
  }

  public String getBrokerAddress() {
    // TODO Auto-generated method stub
    return "localhost";
  }

  public String getBrokerHostName() {
    // TODO Auto-generated method stub
    return "localhost";
  }

  public InputStream getInputStream() throws IOException {
    // TODO Auto-generated method stub
    return null;
  }

  public int getLocalPort() throws IOException {
    // TODO Auto-generated method stub
    return 0;
  }

  public OutputStream getOutputStream() throws IOException {
    // TODO Auto-generated method stub
    return null;
  }

  public Packet fetchReply(){
    return ((IMQDualThreadConnection)directConnection).fetchReply();
  }
 
  public void configure(Properties configuration) throws IOException {
                   
  }

}
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