Examples with DempsyException net.dempsy.DempsyException used on opensource projects

Example 6 with DempsyException

use of net.dempsy.DempsyException in project Dempsy by Dempsy.

the class TestContainer method testMpThrowsDempsyException.

@Test
public void testMpThrowsDempsyException() throws Exception {
    assertEquals(0, ((ClusterMetricGetters) container.statCollector).getMessageFailedCount());
    assertEquals(0, ((ClusterMetricGetters) container.statCollector).getDispatchedMessageCount());
    justThrowMe = new DempsyException("JustThrowMe!");
    final KeyedMessageWithType kmwt = ke.extract(new MyMessage("YO")).get(0);
    container.dispatch(kmwt, Operation.handle, true);
    assertEquals(1, ((ClusterMetricGetters) container.statCollector).getMessageFailedCount());
    assertEquals(1, ((ClusterMetricGetters) container.statCollector).getDispatchedMessageCount());
}

Example 7 with DempsyException

use of net.dempsy.DempsyException in project Dempsy by Dempsy.

the class NioDefaultExternalAddressResolver method getExternalAddresses.

@Override
public NioAddress getExternalAddresses(final NioAddress addr) throws DempsyException {
    if (addr == null)
        throw new NullPointerException("Null address passed to resolver");
    final String dockerHost = System.getenv(DOCKER_HOST_ENV_VARIABLE);
    // If we set the environment variable DOCKER_HOST
    if (dockerHost != null) {
        final int colonIndex = dockerHost.indexOf(':');
        final String[] splitStr = colonIndex < 0 ? new String[] { dockerHost, null } : dockerHost.split(":", -1);
        final String ipAddr = (splitStr[0] == null || splitStr[0].trim().length() == 0) ? null : splitStr[0];
        final int port = splitStr[1] == null ? addr.port : Integer.parseInt(splitStr[1]);
        try {
            return new NioAddress(ipAddr == null ? TcpUtils.getFirstNonLocalhostInetAddress() : InetAddress.getByName(ipAddr), port, addr.serializerId, addr.recvBufferSize, addr.messageSizeLimit);
        } catch (final UnknownHostException | SocketException uhe) {
            throw new DempsyException(uhe, true);
        }
    }
    // Otherwise, if we bound the internal address to all interfaces
    if (addr.inetAddress == null || addr.inetAddress.isAnyLocalAddress()) {
        try {
            return new NioAddress(TcpUtils.getFirstNonLocalhostInetAddress(), addr.port, addr.serializerId, addr.recvBufferSize, addr.messageSizeLimit);
        } catch (final SocketException e) {
            throw new DempsyException(e, false);
        }
    }
    // otherwise, the external address is the internal address.
    return addr;
}

Example 8 with DempsyException

use of net.dempsy.DempsyException in project Dempsy by Dempsy.

the class NioReceiver method getAddress.

@Override
public synchronized NioAddress getAddress(final Infrastructure infra) {
    if (internal == null) {
        final String ifNameToGetAddrFrom = infra.getConfigValue(NioReceiver.class, CONFIG_KEY_RECEIVER_NETWORK_IF_NAME, null);
        if (useLocalHost) {
            if (ifNameToGetAddrFrom != null)
                LOGGER.warn("Both \"useLocalHost\" as well as the property " + CONFIG_KEY_RECEIVER_NETWORK_IF_NAME + " for " + NioReceiver.class.getPackage().getName() + ". The property will be ignored.");
            if (ipToBindToProvider != null)
                LOGGER.warn("Both a supplier for the IP address to bind to (" + ipToBindToProvider.getClass().getName() + ") as well as \"useLocalHost\" was set. The address supplier will be ignored.");
        } else {
            if (ipToBindToProvider != null && ifNameToGetAddrFrom != null)
                LOGGER.warn("Both a supplier for the IP address to bind to (" + ipToBindToProvider.getClass().getName() + ") as well as the property " + CONFIG_KEY_RECEIVER_NETWORK_IF_NAME + " for " + NioReceiver.class.getPackage().getName() + ". The property will be ignored.");
        }
        InetAddress bindAddr = null;
        try {
            bindAddr = useLocalHost ? Inet4Address.getLocalHost() : (ipToBindToProvider == null ? // if someone set the variable for explicitly using a particular interface, then use it.
            (ifNameToGetAddrFrom == null ? null : TcpUtils.getFirstNonLocalhostInetAddress(ifNameToGetAddrFrom)) : ipToBindToProvider.ipToBindTo());
            binding = new Binding(bindAddr, internalPort);
            final InetSocketAddress inetSocketAddress = binding.bound;
            internalPort = inetSocketAddress.getPort();
            if (bindAddr == null)
                // this will be the wildcard address.
                bindAddr = binding.bound.getAddress();
            internal = new NioAddress(bindAddr, internalPort, serId, binding.recvBufferSize, this.maxMessageSize);
            address = resolver.getExternalAddresses(internal);
        } catch (final BindException be) {
            throw new DempsyException("Failed trying to bind to " + (bindAddr == null ? "*" : bindAddr.toString()) + ":" + internalPort, be, false);
        } catch (final IOException e) {
            throw new DempsyException(e, false);
        }
    }
    return address;
}

Example 9 with DempsyException

use of net.dempsy.DempsyException in project Dempsy by Dempsy.

the class NonLockingContainer method createAndActivate.

// ----------------------------------------------------------------------------
// Test Hooks
// ----------------------------------------------------------------------------
// ----------------------------------------------------------------------------
// Internals
// ----------------------------------------------------------------------------
// this is called directly from tests but shouldn't be accessed otherwise.
private Object createAndActivate(final Object key) throws ContainerException {
    Object instance = null;
    try {
        instance = prototype.newInstance();
    } catch (final DempsyException e) {
        if (e.userCaused()) {
            LOGGER.warn("The message processor prototype " + SafeString.valueOf(prototype) + " threw an exception when trying to create a new message processor for they key " + SafeString.objectDescription(key));
            statCollector.messageFailed(true);
            instance = null;
        } else
            throw new ContainerException("the container for " + clusterId + " failed to create a new instance of " + SafeString.valueOf(prototype) + " for the key " + SafeString.objectDescription(key) + " because the clone method threw an exception.", e);
    } catch (final RuntimeException e) {
        throw new ContainerException("the container for " + clusterId + " failed to create a new instance of " + SafeString.valueOf(prototype) + " for the key " + SafeString.objectDescription(key) + " because the clone invocation resulted in an unknown exception.", e);
    }
    // activate
    boolean activateSuccessful = false;
    try {
        if (instance != null) {
            if (LOGGER.isTraceEnabled())
                LOGGER.trace("the container for " + clusterId + " is activating instance " + String.valueOf(instance) + " via " + SafeString.valueOf(prototype));
            prototype.activate(instance, key);
            activateSuccessful = true;
        }
    } catch (final DempsyException e) {
        if (e.userCaused()) {
            LOGGER.warn("The message processor " + SafeString.objectDescription(instance) + " activate call threw an exception.");
            statCollector.messageFailed(true);
            instance = null;
        } else
            throw new ContainerException("the container for " + clusterId + " failed to invoke the activate method of " + SafeString.valueOf(prototype) + ". Is the active method accessible - the class is public and the method is public?", e);
    } catch (final RuntimeException e) {
        throw new ContainerException("the container for " + clusterId + " failed to invoke the activate method of " + SafeString.valueOf(prototype) + " because of an unknown exception.", e);
    }
    if (activateSuccessful) {
        // must have been successful.
        if (// once it goes into the map, we can remove it from the 'being worked' set
        instances.putIfAbsent(key, instance) != null)
            throw new IllegalStateException("WTF?");
        // the newly added one.
        statCollector.messageProcessorCreated(key);
    }
    return instance;
}