//////////////////////////
 // Private utility methods
 //////////////////////////
 private String[] getParticipantNames() {
   String[] pp = new String[participants.size()];
   Iterator it = participants.iterator();
   int i = 0;
   while (it.hasNext()) {
     AID id = (AID) it.next();
     pp[i++] = id.getLocalName();
   }
   return pp;
 }
  /**
   * Utility method that updates the contact list extracting contact info and location from DF
   * descriptions.
   *
   * @param onlineContactsDescs array of {@link DFAgentDescription} objects that define services as
   *     results of a DF query
   */
  private void updateContactList(DFAgentDescription[] onlineContactsDescs) {

    for (int i = 0; i < onlineContactsDescs.length; i++) {
      Iterator serviceDescIt = onlineContactsDescs[i].getAllServices();

      if (serviceDescIt.hasNext()) {
        ServiceDescription desc = (ServiceDescription) serviceDescIt.next();

        Iterator propertyIt = desc.getAllProperties();
        Location loc = Helper.extractLocation(propertyIt);

        AID cId = onlineContactsDescs[i].getName();
        if (!cId.equals(myAgent.getAID())) {
          // Create an online contact (or update it)
          String phoneNumber = cId.getLocalName();
          ContactManager.getInstance().addOrUpdateOnlineContact(phoneNumber, loc);
        }
      }
    }
  }
Exemple #3
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  public void setup() {
    System.out.println("ASU.setup()");

    getContentManager().registerLanguage(codec);
    getContentManager().registerOntology(ontology);

    ACLMessage aclmsg = new ACLMessage(ACLMessage.REQUEST);
    AssignPowerRequest apr = new AssignPowerRequest();
    apr.setAssignedPower(100000);

    aclmsg.setLanguage(codec.getName());
    aclmsg.setOntology(ontology.getName());
    aclmsg.setProtocol(FIPANames.InteractionProtocol.FIPA_REQUEST);
    aclmsg.setReplyByDate(new Date(System.currentTimeMillis() + 30000));

    AMSAgentDescription[] agents = null;
    try {
      SearchConstraints c = new SearchConstraints();
      c.setMaxResults(new Long(-1));

      agents = AMSService.search(this, new AMSAgentDescription(), c);
    } catch (Exception e) {
      System.out.println("Problem searching AMS: " + e);
      e.printStackTrace();
    }

    for (AMSAgentDescription agent : agents) {

      AID agentID = agent.getName();

      try {
        getContentManager().fillContent(aclmsg, new Action(agentID, apr));
      } catch (Exception e) {
        e.printStackTrace();
      }

      System.out.println(agentID.getLocalName());

      if (agentID.getLocalName().compareTo("TURBINE") != 0) continue;

      aclmsg.clearAllReceiver();
      aclmsg.addReceiver(agentID);

      System.out.println("Sending to " + agentID);

      addBehaviour(new ASURequestInitiatorBehaviour(this, aclmsg));

      try {
        Thread.yield();
        Thread.sleep(5000);
      } catch (Exception e) {
        System.out.println("INTERRUPT");
      }

      ACLMessage aclmsg2 = new ACLMessage(ACLMessage.REQUEST);
      BeginPowerTransitionRequest bptr = new BeginPowerTransitionRequest();
      bptr.setAssignedPowerValid(false);

      aclmsg2.setLanguage(codec.getName());
      aclmsg2.setOntology(ontology.getName());
      aclmsg2.setProtocol(FIPANames.InteractionProtocol.FIPA_REQUEST);
      aclmsg2.setReplyByDate(new Date(System.currentTimeMillis() + 30000));

      try {
        getContentManager().fillContent(aclmsg2, new Action(agentID, bptr));
      } catch (Exception e) {
        e.printStackTrace();
      }

      aclmsg2.clearAllReceiver();
      aclmsg2.addReceiver(agentID);

      System.out.println("Sending to " + agentID);

      addBehaviour(new ASURequestInitiatorBehaviour(this, aclmsg2));
    }
  }
    /**
     * Overrides SubscriptionInitiator.handleInform(), defining what to do each time the DF is
     * modified by a contact Basically it adds/removes/updates contacts from ContactList according
     * to what has happened to DF. It also fires events on the GUI any time a view refresh is
     * needed.
     *
     * @param inform the message from DF containing a list of changes
     */
    protected void handleInform(ACLMessage inform) {

      myLogger.log(
          Logger.FINE,
          "Thread " + Thread.currentThread().getId() + ": Notification received from DF");
      ContactManager.getInstance().resetModifications();

      try {

        DFAgentDescription[] results = DFService.decodeNotification(inform.getContent());

        if (results.length > 0) {

          for (int i = 0; i < results.length; ++i) {
            DFAgentDescription dfd = results[i];
            AID contactAID = dfd.getName();
            // Do something only if the notification deals with an agent different from the current
            // one
            if (!contactAID.equals(myAgent.getAID())) {

              myLogger.log(
                  Logger.INFO,
                  "Thread "
                      + Thread.currentThread().getId()
                      + ":df says that agent "
                      + myAgent.getAID().getLocalName()
                      + " updates or registers");
              Iterator serviceIter = dfd.getAllServices();

              // Registered or updated
              if (serviceIter.hasNext()) {
                ServiceDescription serviceDesc = (ServiceDescription) serviceIter.next();
                Iterator propertyIt = serviceDesc.getAllProperties();
                Location loc = Helper.extractLocation(propertyIt);
                String phoneNum = contactAID.getLocalName();
                ContactManager.getInstance().addOrUpdateOnlineContact(phoneNum, loc);
              } else {
                myLogger.log(
                    Logger.INFO,
                    "Thread "
                        + Thread.currentThread().getId()
                        + ":df says that agent "
                        + myAgent.getAID().getLocalName()
                        + " deregisters");
                String phoneNumber = contactAID.getLocalName();
                Contact c = ContactManager.getInstance().getContact(phoneNumber);
                ContactManager.getInstance().setContactOffline(phoneNumber);
                MsnEvent event =
                    MsnEventMgr.getInstance().createEvent(MsnEvent.CONTACT_DISCONNECT_EVENT);
                event.addParam(MsnEvent.CONTACT_DISCONNECT_PARAM_CONTACTNAME, c.getName());
                MsnEventMgr.getInstance().fireEvent(event);
              }

              MsnEvent event = MsnEventMgr.getInstance().createEvent(MsnEvent.VIEW_REFRESH_EVENT);
              ContactListChanges changes = ContactManager.getInstance().getModifications();
              Map<String, Contact> cMap = ContactManager.getInstance().getAllContacts();
              Map<String, ContactLocation> cLocMap =
                  ContactManager.getInstance().getAllContactLocations();

              myLogger.log(
                  Logger.FINE,
                  "Thread "
                      + Thread.currentThread().getId()
                      + ":Adding to VIEW_REFRESH_EVENT this list of changes: "
                      + changes.toString());
              event.addParam(MsnEvent.VIEW_REFRESH_PARAM_LISTOFCHANGES, changes);
              event.addParam(MsnEvent.VIEW_REFRESH_CONTACTSMAP, cMap);
              event.addParam(MsnEvent.VIEW_REFRESH_PARAM_LOCATIONMAP, cLocMap);
              MsnEventMgr.getInstance().fireEvent(event);
            }
          }
        }

      } catch (Exception e) {
        myLogger.log(Logger.WARNING, "See printstack for Exception.", e);
        e.printStackTrace();
      }
    }