Examples with ClientInstantiatorMessage org.apache.geode.internal.cache.tier.sockets.ClientInstantiatorMessage used on opensource projects

Example 1 with ClientInstantiatorMessage

use of org.apache.geode.internal.cache.tier.sockets.ClientInstantiatorMessage in project geode by apache.

the class InternalInstantiator method sendRegistrationMessageToClients.

/**
   * Sends Instantiator registration message to all cache clients
   */
private static void sendRegistrationMessageToClients(Instantiator instantiator) {
    Cache cache = GemFireCacheImpl.getInstance();
    if (cache == null) {
        // we can't propagate it to clients
        return;
    }
    byte[][] serializedInstantiators = new byte[3][];
    try {
        serializedInstantiators[0] = CacheServerHelper.serialize(instantiator.getClass().toString().substring(6));
        serializedInstantiators[1] = CacheServerHelper.serialize(instantiator.getInstantiatedClass().toString().substring(6));
        {
            byte[] idBytes = new byte[4];
            Part.encodeInt(instantiator.getId(), idBytes);
            serializedInstantiators[2] = idBytes;
        }
    } catch (IOException e) {
        if (logger.isDebugEnabled()) {
            logger.debug("IOException encountered while serializing instantiators using CacheServerHelper.serialize() method");
        }
    }
    ClientInstantiatorMessage clientInstantiatorMessage = new ClientInstantiatorMessage(EnumListenerEvent.AFTER_REGISTER_INSTANTIATOR, serializedInstantiators, (ClientProxyMembershipID) instantiator.getContext(), (EventID) instantiator.getEventId());
    // Deliver it to all the clients
    CacheClientNotifier.routeClientMessage(clientInstantiatorMessage);
}

Example 2 with ClientInstantiatorMessage

use of org.apache.geode.internal.cache.tier.sockets.ClientInstantiatorMessage in project geode by apache.

the class RegisterInstantiators method cmdExecute.

@Override
public void cmdExecute(Message clientMessage, ServerConnection serverConnection, long start) throws IOException, ClassNotFoundException {
    if (logger.isDebugEnabled()) {
        logger.debug("{}: Received register instantiator request ({} parts) from {}", serverConnection.getName(), clientMessage.getNumberOfParts(), serverConnection.getSocketString());
    }
    int noOfParts = clientMessage.getNumberOfParts();
    // Assert parts
    Assert.assertTrue((noOfParts - 1) % 3 == 0);
    // 3 parts per instantiator and one eventId part
    int noOfInstantiators = (noOfParts - 1) / 3;
    // retrieve eventID from the last Part
    ByteBuffer eventIdPartsBuffer = ByteBuffer.wrap(clientMessage.getPart(noOfParts - 1).getSerializedForm());
    long threadId = EventID.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
    long sequenceId = EventID.readEventIdPartsFromOptmizedByteArray(eventIdPartsBuffer);
    EventID eventId = new EventID(serverConnection.getEventMemberIDByteArray(), threadId, sequenceId);
    byte[][] serializedInstantiators = new byte[noOfInstantiators * 3][];
    boolean caughtCNFE = false;
    Exception cnfe = null;
    try {
        for (int i = 0; i < noOfParts - 1; i = i + 3) {
            Part instantiatorPart = clientMessage.getPart(i);
            serializedInstantiators[i] = instantiatorPart.getSerializedForm();
            String instantiatorClassName = (String) CacheServerHelper.deserialize(serializedInstantiators[i]);
            Part instantiatedPart = clientMessage.getPart(i + 1);
            serializedInstantiators[i + 1] = instantiatedPart.getSerializedForm();
            String instantiatedClassName = (String) CacheServerHelper.deserialize(serializedInstantiators[i + 1]);
            Part idPart = clientMessage.getPart(i + 2);
            serializedInstantiators[i + 2] = idPart.getSerializedForm();
            int id = idPart.getInt();
            Class instantiatorClass = null, instantiatedClass = null;
            try {
                instantiatorClass = InternalDataSerializer.getCachedClass(instantiatorClassName);
                instantiatedClass = InternalDataSerializer.getCachedClass(instantiatedClassName);
                InternalInstantiator.register(instantiatorClass, instantiatedClass, id, true, eventId, serverConnection.getProxyID());
            } catch (ClassNotFoundException e) {
                // If a ClassNotFoundException is caught, store it, but continue
                // processing other instantiators
                caughtCNFE = true;
                cnfe = e;
            }
        }
    } catch (Exception e) {
        logger.warn(LocalizedMessage.create(LocalizedStrings.RegisterInstantiators_BAD_CLIENT, new Object[] { serverConnection.getMembershipID(), e.getLocalizedMessage() }));
        writeException(clientMessage, e, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
    }
    // the last CNFE.
    if (caughtCNFE) {
        writeException(clientMessage, cnfe, false, serverConnection);
        serverConnection.setAsTrue(RESPONDED);
        // Send the instantiators on to other clients if we hit an error
        // due to a missing class, because they were not distributed
        // in InternalInstantiator.register. Otherwise they will have
        // been distributed if successfully registered.
        ClientInstantiatorMessage clientInstantiatorMessage = new ClientInstantiatorMessage(EnumListenerEvent.AFTER_REGISTER_INSTANTIATOR, serializedInstantiators, serverConnection.getProxyID(), eventId);
        // Notify other clients
        CacheClientNotifier.routeClientMessage(clientInstantiatorMessage);
    }
    // code, then the reply has already been sent.
    if (!serverConnection.getTransientFlag(RESPONDED)) {
        writeReply(clientMessage, serverConnection);
    }
    if (logger.isDebugEnabled()) {
        logger.debug("Registered instantiators for MembershipId = {}", serverConnection.getMembershipID());
    }
}