regrtestapp.java

pastry的java实现的2.0b版

/*************************************************************************

"FreePastry" Peer-to-Peer Application Development Substrate 

Copyright 2002, Rice University. All rights reserved.

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contributors may be  used to endorse or promote  products derived from
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This software is provided by RICE and the contributors on an "as is"
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********************************************************************************/
package rice.pastry.testing;

import rice.pastry.*;
import rice.pastry.client.*;
import rice.pastry.messaging.*;
import rice.pastry.routing.*;

import java.util.*;

/**
 * RegrTestApp A regression test suite for pastry. This is the per-node app
 * object.
 *
 * @version $Id: RegrTestApp.java 3274 2006-05-15 16:17:47Z jeffh $
 * @author andrew ladd
 * @author peter druschel
 */

public class RegrTestApp extends CommonAPIAppl {

  private PastryRegrTest prg;

  private static int addr = RTAddress.getCode();

  /**
   * Constructor for RegrTestApp.
   *
   * @param pn DESCRIBE THE PARAMETER
   * @param prg DESCRIBE THE PARAMETER
   */
  public RegrTestApp(PastryNode pn, PastryRegrTest prg) {
    super(pn);
    this.prg = prg;
  }

  /**
   * Gets the Address attribute of the RegrTestApp object
   *
   * @return The Address value
   */
  public int getAddress() {
    return addr;
  }

  /**
   * Gets the PastryNode attribute of the RegrTestApp object
   *
   * @return The PastryNode value
   */
  public PastryNode getPastryNode() {
    return thePastryNode;
  }

  /**
   * DESCRIBE THE METHOD
   *
   * @param nid DESCRIBE THE PARAMETER
   */
  public void sendMsg(Id nid) {
    routeMsg(nid, new RTMessage(addr, getNodeHandle(), nid),
      new SendOptions());
  }

  /**
   * DESCRIBE THE METHOD
   *
   * @param nid DESCRIBE THE PARAMETER
   */
  public void sendTrace(Id nid) {
    //System.out.println("sending a trace from " + getNodeId() + " to " +
    // nid);
    routeMsg(nid, new RTMessage(addr, getNodeHandle(), nid),
      new SendOptions());
  }

  //public void messageForAppl(Message msg) {
  /**
   * DESCRIBE THE METHOD
   *
   * @param key DESCRIBE THE PARAMETER
   * @param msg DESCRIBE THE PARAMETER
   */
  public void deliver(Id key, Message msg) {

    /*
     *  System.out.print(msg); System.out.println(" received at " +
     *  getNodeId());
     */
    // check if numerically closest
    RTMessage rmsg = (RTMessage) msg;
    //Id key = rmsg.target;
    Id localId = getNodeId();

    if (localId != key) {
      int inBetween;
      if (localId.compareTo(key) < 0) {
        int i1 = prg.pastryNodesSortedReady.subMap(localId, key).size();
        int i2 = prg.pastryNodesSortedReady.tailMap(key).size()
          + prg.pastryNodesSortedReady.headMap(localId).size();

        inBetween = (i1 < i2) ? i1 : i2;
      } else {
        int i1 = prg.pastryNodesSortedReady.subMap(key, localId).size();
        int i2 = prg.pastryNodesSortedReady.tailMap(localId).size()
          + prg.pastryNodesSortedReady.headMap(key).size();

        inBetween = (i1 < i2) ? i1 : i2;
      }

      if (inBetween > 1) {
        System.out.println("messageForAppl failure, inBetween=" + inBetween);
        System.out.print(msg);
        System.out.println(" received at " + getNodeId());
        System.out.println(getLeafSet());
      }
    }
  }

  //public boolean enrouteMessage(Message msg, Id key, Id nextHop,
  // SendOptions opt) {
  /**
   * DESCRIBE THE METHOD
   *
   * @param rm DESCRIBE THE PARAMETER
   */
  public void forward(RouteMessage rm) {
    /*
     *  System.out.print(msg); System.out.println(" at " + getNodeId());
     */
    Message msg = rm.unwrap();
    Id key = rm.getTarget();
    Id nextHop = rm.getNextHop().getNodeId();

    Id localId = getNodeId();
    Id.Distance dist = localId.distance(key);
    int base = getRoutingTable().baseBitLength();

    if (prg.lastMsg == msg) {
      int localIndex = localId.indexOfMSDD(key, base);
      int lastIndex = prg.lastNode.indexOfMSDD(key, base);

      if ((localIndex > lastIndex && nextHop != localId)
        || (localIndex == lastIndex && dist.compareTo(prg.lastDist) > 0)) {
        System.out.println("at... " + getNodeId()
          + " enrouteMessage failure with " + msg + " lastNode="
          + prg.lastNode + " lastDist=" + prg.lastDist + " dist=" + dist
          + " nextHop=" + nextHop + " loci=" + localIndex + " lasti="
          + lastIndex);
      }

      prg.lastDist = dist;
    }
    prg.lastMsg = msg;
    prg.lastDist = dist;
    prg.lastNode = localId;

    //return true;
  }

  //public void leafSetChange(NodeHandle nh, boolean wasAdded) {
  /**
   * DESCRIBE THE METHOD
   *
   * @param nh DESCRIBE THE PARAMETER
   * @param wasAdded DESCRIBE THE PARAMETER
   */
  public void update(NodeHandle nh, boolean wasAdded) {
    final Id nid = nh.getNodeId();

    /*
     *  System.out.println("at... " + getNodeId() + "'s leaf set");
     *  System.out.print("node " + nid + " was "); if (wasAdded)
     *  System.out.println("added"); else System.out.println("removed");
     */
    if (!prg.pastryNodesSorted.containsKey(nid) && nh.isAlive()) {
      System.out.println("at... " + getNodeId()
        + "leafSetChange failure 1 with " + nid);
    }

    Id localId = thePastryNode.getNodeId();

    if (localId == nid) {
      System.out.println("at... " + getNodeId()
        + "leafSetChange failure 2 with " + nid);
    }

    int inBetween;

    if (localId.compareTo(nid) < 0) {
      // localId < nid?
      int i1 = prg.pastryNodesSorted.subMap(localId, nid).size();
      int i2 = prg.pastryNodesSorted.tailMap(nid).size()
        + prg.pastryNodesSorted.headMap(localId).size();

      inBetween = (i1 < i2) ? i1 : i2;
    } else {
      int i1 = prg.pastryNodesSorted.subMap(nid, localId).size();
      int i2 = prg.pastryNodesSorted.tailMap(localId).size()
        + prg.pastryNodesSorted.headMap(nid).size();

      inBetween = (i1 < i2) ? i1 : i2;
    }

    int lsSize = getLeafSet().maxSize() / 2;

    if ((inBetween > lsSize && wasAdded
      && !prg.pastryNodesLastAdded.contains(thePastryNode) && !prg.inConcJoin)
      || (inBetween <= lsSize && !wasAdded && !getLeafSet().member(nh))
      && prg.pastryNodesSorted.containsKey(nh.getNodeId())) {

      System.out.println("at... " + getNodeId()
        + "leafSetChange failure 3 with " + nid + " wasAdded=" + wasAdded
        + " inBetween=" + inBetween);
      System.out.println(getLeafSet());
      /*
       *  Iterator it = prg.pastryNodesSorted.keySet().iterator(); while
       *  (it.hasNext()) System.out.println(it.next());
       */
    }
  }

  /**
   * DESCRIBE THE METHOD
   *
   * @param nh DESCRIBE THE PARAMETER
   * @param wasAdded DESCRIBE THE PARAMETER
   */
  public void routeSetChange(NodeHandle nh, boolean wasAdded) {
    Id nid = nh.getNodeId();

    /*
     *  System.out.println("at... " + getNodeId() + "'s route set");
     *  System.out.print("node " + nid + " was "); if (wasAdded)
     *  System.out.println("added"); else System.out.println("removed");
     *  System.out.println(getRoutingTable());
     */
    if (!prg.pastryNodesSorted.containsKey(nid)) {
      if (nh.isAlive() || wasAdded) {
        System.out.println("at... " + getNodeId()
          + "routeSetChange failure 1 with " + nid + " wasAdded=" + wasAdded);
      }
    }
  }

  /**
   * Invoked when the Pastry node has joined the overlay network and is ready to
   * send and receive messages
   */

  public void notifyReady() {
    //if (getLeafSet().size() == 0) System.out.println("notifyReady at " +
    // getNodeId() + " : leafset is empty!!");
  }

  /**
   * DESCRIBE THE CLASS
   *
   * @version $Id: pretty.settings 2305 2005-03-11 20:22:33Z jeffh $
   * @author jeffh
   */
  private static class RTAddress {
    private static int myCode = 0x9219d6ff;

    /**
     * Gets the Code attribute of the RTAddress class
     *
     * @return The Code value
     */
    public static int getCode() {
      return myCode;
    }
  }

}

/**
 * DO NOT declare this inside PingClient; see HelloWorldApp for details.
 *
 * @version $Id: pretty.settings 2305 2005-03-11 20:22:33Z jeffh $
 * @author jeffh
 */

class RTMessage extends Message {

  /**
   * DESCRIBE THE FIELD
   */
  public NodeHandle sourceNode;

  //public Id source;
  /**
   * DESCRIBE THE FIELD
   */
  public Id target;

  /**
   * Constructor for RTMessage.
   *
   * @param addr DESCRIBE THE PARAMETER
   * @param src DESCRIBE THE PARAMETER
   * @param tgt DESCRIBE THE PARAMETER
   */
  public RTMessage(int addr, NodeHandle src, Id tgt) {
    super(addr);
    sourceNode = src;
    //source = src.getNodeId();
    target = tgt;
  }

  /**
   * DESCRIBE THE METHOD
   *
   * @return DESCRIBE THE RETURN VALUE
   */
  public String toString() {
    String s = "";
    s += "RTMsg from " + sourceNode + " to " + target;
    return s;
  }
}