Example #1
0
  /** This method will show you how to create Gridlets */
  private void createGridlet(int userID, int numGridlet, int[] data) {
    int k = 0;
    for (int i = 0; i < numGridlet; i++) {
      if (k == data.length) {
        k = 0;
      }

      // Creates a Gridlet
      Gridlet gl = new Gridlet(i, data[k], data[k], data[k]);
      gl.setUserID(userID);
      this.list_.add(gl);

      k++;
    }
  }
Example #2
0
  /** Prints the Gridlet objects */
  private void printGridletList(GridletList list, String name) {
    int size = list.size();
    Gridlet gridlet = null;

    String indent = "    ";
    System.out.println();
    System.out.println("============= OUTPUT for " + name + " ==========");
    System.out.println("Gridlet ID" + indent + "STATUS" + indent + "Resource ID" + indent + "Cost");

    // a loop to print the overall result
    int i = 0;
    for (i = 0; i < size; i++) {
      gridlet = (Gridlet) list.get(i);
      System.out.print(indent + gridlet.getGridletID() + indent + indent);

      System.out.print(gridlet.getGridletStatusString());

      System.out.println(
          indent
              + indent
              + gridlet.getResourceID()
              + indent
              + indent
              + gridlet.getProcessingCost());
    }

    // a loop to print each Gridlet's history
    for (i = 0; i < size; i++) {
      gridlet = (Gridlet) list.get(i);
      System.out.println(gridlet.getGridletHistory());

      System.out.print("Gridlet #" + gridlet.getGridletID());
      System.out.println(
          ", length = "
              + gridlet.getGridletLength()
              + ", finished so far = "
              + gridlet.getGridletFinishedSoFar());
      System.out.println("===========================================\n");
    }
  }
Example #3
0
  /** The core method that handles communications among GridSim entities. */
  public void body() {
    // wait for a little while for about 3 seconds.
    // This to give a time for GridResource entities to register their
    // services to GIS (GridInformationService) entity.
    super.gridSimHold(3.0);
    LinkedList resList = super.getGridResourceList();

    // initialises all the containers
    int totalResource = resList.size();
    int resourceID[] = new int[totalResource];
    String resourceName[] = new String[totalResource];

    // a loop to get all the resources available
    int i = 0;
    for (i = 0; i < totalResource; i++) {
      // Resource list contains list of resource IDs
      resourceID[i] = ((Integer) resList.get(i)).intValue();

      // get their names as well
      resourceName[i] = GridSim.getEntityName(resourceID[i]);
    }

    ////////////////////////////////////////////////
    // SUBMIT Gridlets

    // determines which GridResource to send to
    int index = myId_ % totalResource;
    if (index >= totalResource) {
      index = 0;
    }

    // sends all the Gridlets
    Gridlet gl = null;
    boolean success;
    for (i = 0; i < list_.size(); i++) {
      gl = (Gridlet) list_.get(i);

      // For even number of Gridlets, send with an acknowledgement
      if (i % 2 == 0) {
        success = super.gridletSubmit(gl, resourceID[index], 0.0, true);
        System.out.println(
            name_
                + ": Sending Gridlet #"
                + gl.getGridletID()
                + " with status = "
                + success
                + " to "
                + resourceName[index]);
      }

      // For odd number of Gridlets, send without an acknowledgement
      else {
        success = super.gridletSubmit(gl, resourceID[index], 0.0, false);
        System.out.println(
            name_
                + ": Sending Gridlet #"
                + gl.getGridletID()
                + " with NO ACK so status = "
                + success
                + " to "
                + resourceName[index]);
      }
    }

    //////////////////////////////////////////
    // CANCELING Gridlets

    // hold for few period -- 100 seconds
    super.gridSimHold(15);
    System.out.println("<<<<<<<<< pause for 15 >>>>>>>>>>>");

    // a loop that cancels an even number of Gridlet
    for (i = 0; i < list_.size(); i++) {
      if (i % 2 == 0) {
        gl = super.gridletCancel(i, myId_, resourceID[index], 0.0);
        System.out.print(name_ + ": Canceling Gridlet #" + i + " at time = " + GridSim.clock());

        if (gl == null) {
          System.out.println(" result = NULL");
        } else // if Cancel is successful, then add it into the list
        {
          System.out.println(" result = NOT null");
          receiveList_.add(gl);
        }
      }
    }

    ////////////////////////////////////////////////////////
    // RECEIVES Gridlets back

    // hold for few period - 1000 seconds since the Gridlets length are
    // quite huge for a small bandwidth
    super.gridSimHold(1000);
    System.out.println("<<<<<<<<< pause for 1000 >>>>>>>>>>>");

    // receives the gridlet back
    int size = list_.size() - receiveList_.size();
    for (i = 0; i < size; i++) {
      gl = (Gridlet) super.receiveEventObject(); // gets the Gridlet
      receiveList_.add(gl); // add into the received list

      System.out.println(
          name_ + ": Receiving Gridlet #" + gl.getGridletID() + " at time = " + GridSim.clock());
    }

    System.out.println(this.name_ + ":%%%% Exiting body() at time " + GridSim.clock());

    // shut down I/O ports
    shutdownUserEntity();
    terminateIOEntities();

    // Prints the simulation output
    printGridletList(receiveList_, name_);
  }