Exemplo n.º 1
0
  public void shutDown() {
    // Avoid two parallel shut-downs
    synchronized (this) {
      if (terminating) {
        return;
      } else {
        terminating = true;
      }
    }

    // Forward the exit command to the FrontEnd
    try {
      myFrontEnd.exit(false);
    } catch (IMTPException imtpe) {
      // The FrontEnd is disconnected. Force the shutdown of the connection
      myConnectionManager.shutdown();
    }

    // "Kill" all agent images
    killAgentImages();

    if (theBEManager != null) {
      theBEManager.deregister(myNodeDescriptor);
    }
    super.shutDown();
  }
Exemplo n.º 2
0
  public boolean connect() {
    try {
      // Initialize the BackEndManager if required
      if (myProfile.getBooleanProperty(USE_BACKEND_MANAGER, false)) {
        theBEManager = initBEManager();
      }

      Vector agentSpecs =
          Specifier.parseSpecifierList(myProfile.getParameter(Profile.AGENTS, null));
      myProfile.setParameter(Profile.AGENTS, null);

      myFrontEnd = myConnectionManager.getFrontEnd(this, null);
      myLogger.log(
          Logger.FINE,
          "BackEnd container "
              + myProfile.getParameter(Profile.CONTAINER_NAME, null)
              + " joining the platform ... (FrontEnd version: "
              + myProfile.getParameter(JICPProtocol.VERSION_KEY, "not available")
              + ")");

      Runtime.instance().beginContainer();
      boolean connected = joinPlatform();
      if (connected) {
        myLogger.log(Logger.FINE, "Join platform OK");
        AID amsAID = getAMS();
        myProfile.setParameter(Profile.PLATFORM_ID, amsAID.getHap());
        String[] addresses = amsAID.getAddressesArray();
        if (addresses != null) {
          StringBuffer sb = new StringBuffer();
          for (int i = 0; i < addresses.length; i++) {
            sb.append(addresses[i]);
            if (i < addresses.length - 1) {
              sb.append(';');
            }
          }
          myProfile.setParameter(MicroRuntime.PLATFORM_ADDRESSES_KEY, sb.toString());
        }
        if ("true".equals(myProfile.getParameter(RESYNCH, "false"))) {
          myLogger.log(
              Logger.INFO,
              "BackEnd container "
                  + myProfile.getParameter(Profile.CONTAINER_NAME, null)
                  + " activating re-synch ...");
          resynch();
        } else {
          // Notify the main container about bootstrap agents on the FE.
          for (int i = 0; i < agentSpecs.size(); i++) {
            Specifier sp = (Specifier) agentSpecs.elementAt(i);
            try {
              String name = bornAgent(sp.getName());
              sp.setClassName(name);
              sp.setArgs(null);
            } catch (Exception e) {
              myLogger.log(Logger.SEVERE, "Error creating agent " + sp.getName(), e);
              sp.setClassName(e.getClass().getName());
              sp.setArgs(new Object[] {e.getMessage()});
            }
          }
          myProfile.setParameter(Profile.AGENTS, Specifier.encodeSpecifierList(agentSpecs));
        }
      }
      return connected;
    } catch (Exception e) {
      // Should never happen
      e.printStackTrace();
      return false;
    }
  }