Examples of com.sun.sgs.app.ClientSession

com.sun.sgs.app.ClientSession
Interface representing a single, connected login session between a client and the server. Classes that implement {@code ClientSession} must also implement {@link Serializable}.
When a client logs in, the application's {@link AppListener#loggedIn(ClientSession) AppListener.loggedIn} method isinvoked with a new {@code ClientSession} instance which represents thecurrent connection between that client and the server. By returning a unique {@link ClientSessionListener} from the {@code loggedIn} methodfor each given client session, the application will receive notification when a client session sends a message, is disconnected, or logs out. To explicitly disconnect a {@code ClientSession}, remove the associated {@code ClientSession} object from the data manager using the {@link DataManager#removeObject DataManager.removeObject} method.
A {@code ClientSession} is used to identify a client that islogged in, to send messages to that client, and to forcibly disconnect that client from the server.
A session is considered disconnected if one of the following occurs:
- the client logs out
- the client becomes disconnected due to a network failure, and a connection to the client cannot be re-established in a timely manner
- the {@code ClientSession} object is removed from the data manager
If a client associated with a {@code ClientSession} becomesdisconnected due to one of these conditions, the {@link ClientSessionListener#disconnected(boolean) disconnected} method isinvoked on that session's registered {@code ClientSessionListener} with a {@code boolean} thatif {@code true} indicates the client logged out gracefully.
Once a client becomes disconnected, its {@code ClientSession}becomes invalid and can no longer be used to communicate with that client and should be removed from the data manager. When that client logs back in again, a new session is established with the server.

  long startTime = System.currentTimeMillis();
  for (int i = 0; i < numIterations; i++) {
      txnScheduler.runTask(new TestAbstractKernelRunnable() {
    public void run() {
        DataManager dataManager = AppContext.getDataManager();
        ClientSession session = (ClientSession)
      dataManager.getBinding(user);
        session.send(msg);
    }}, taskOwner);
  }
  long endTime = System.currentTimeMillis();
  System.err.println("send, iterations: " + numIterations +
         ", elapsed time: " + (endTime - startTime) +

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            node.getSystemRegistry(). getComponent(TransactionScheduler.class);
  for (int i = 0; i < numMessages; i++) {
      final int x = i + offset;
      transactionScheduler.runTask(new TestAbstractKernelRunnable() {
    public void run() {
        ClientSession session = (ClientSession)
      AppContext.getDataManager().getBinding(client.name);
      ByteBuffer buf = ByteBuffer.allocate(4);
      buf.putInt(x).flip();
      session.send(buf, Delivery.RELIABLE);
        } }, taskOwner);
  }
    }

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    throw new ResourceUnavailableException("sessionRef is null");
      } else {
    System.err.println(
        "ValidatingChannelListener.validateSession: session = " +
        session);
    ClientSession thisSession = sessionRef.get();
    if (! (thisSession instanceof ClientSessionWrapper)) {
        fail("unwrapped session: " + thisSession);
    } else if (! thisSession.equals(session)) {
        fail("sessions not equal: thisSession: " +
       thisSession + ", session: " + session);
    }
      }
  }

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  DummyClient client = createDummyClient(name);
  try {
      assertTrue(client.connect(serverNode.getAppPort()).login());
      txnScheduler.runTask(new TestAbstractKernelRunnable() {
        public void run() {
      ClientSession session = (ClientSession)
          dataService.getBinding(name);
      if (!(session instanceof ClientSessionWrapper)) {
          fail("session not instance of " +
         "ClientSessionWrapper");
      }

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            counter = (Counter)
          dataManager.getBinding(counterName);
        } catch (NameNotBoundException e) {
            throw new MaybeRetryException("retry", true);
        }
        ClientSession session = (ClientSession)
            dataManager.getBinding(client.name);
        MessageBuffer buf = new MessageBuffer(4);
        buf.putInt(counter.getAndIncrement());
        session.send(ByteBuffer.wrap(buf.getBuffer()),
               delivery);
          }},
      
      identity);
    }

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      assertTrue(client.login());
      final int numMessages = 3;
      for (int i = 0; i < numMessages; i++) {
    txnScheduler.runTask(new TestAbstractKernelRunnable() {
      public void run() {
          ClientSession session = (ClientSession)
        AppContext.getDataManager().getBinding(name);
          System.err.println("Sending messages");
          session.send(buf, delivery);
      } }, taskOwner);
      }
  
      System.err.println("waiting for client to receive messages");
      client.waitForClientToReceiveExpectedMessages(numMessages);

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    new TestAbstractKernelRunnable() {
        int tryCount = 0;
        public void run() {
      Set<ClientSession> sessions =
          getAppListener().getSessions();
      ClientSession session = sessions.iterator().next();
      try {
          session.send(ByteBuffer.wrap(new byte[4096]));
      } catch (MessageRejectedException e) {
          fail("Should not run out of buffer space: " + e);
      }
      if (++tryCount < 100) {
          throw new MaybeRetryException("Retryable",  true);

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  long startTime = System.currentTimeMillis();
  for (int i = 0; i < numIterations; i++) {
      txnScheduler.runTask(new TestAbstractKernelRunnable() {
    public void run() {
        DataManager dataManager = AppContext.getDataManager();
        ClientSession session = (ClientSession)
      dataManager.getBinding(user);
        session.send(msg);
    }}, taskOwner);
  }
  long endTime = System.currentTimeMillis();
  System.err.println("send, iterations: " + numIterations +
         ", elapsed time: " + (endTime - startTime) +

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            node.getSystemRegistry(). getComponent(TransactionScheduler.class);
  for (int i = 0; i < numMessages; i++) {
      final int x = i + offset;
      transactionScheduler.runTask(new TestAbstractKernelRunnable() {
    public void run() {
        ClientSession session = (ClientSession)
      AppContext.getDataManager().getBinding(client.name);
      ByteBuffer buf = ByteBuffer.allocate(4);
      buf.putInt(x).flip();
      session.send(buf, Delivery.RELIABLE);
        } }, taskOwner);
  }
    }

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    throw new ResourceUnavailableException("sessionRef is null");
      } else {
    System.err.println(
        "ValidatingChannelListener.validateSession: session = " +
        session);
    ClientSession thisSession = sessionRef.get();
    if (! (thisSession instanceof ClientSessionWrapper)) {
        fail("unwrapped session: " + thisSession);
    } else if (! thisSession.equals(session)) {
        fail("sessions not equal: thisSession: " +
       thisSession + ", session: " + session);
    }
      }
  }

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