@Override
public NextAction processRequest(Packet request) {
try {
LOGGER.entering();
assert request.getMessage() != null
: "Unexpected [null] message in the server-side Tube.processRequest()";
String clientUID = getClientUID(request);
if (isMakeConnectionRequest(request)) {
return handleMakeConnectionRequest(request, clientUID);
}
if (clientUID == null) {
// don't bother - this is not a WS-MC enabled request
return super.processRequest(request);
} else {
// TODO replace with proper code that replaces only address
// removing replyTo header and faultTo header to prevent addressing server tube from
// treating this request as non-anonymous
request.getMessage().getHeaders().remove(configuration.getAddressingVersion().replyToTag);
request.getMessage().getHeaders().remove(configuration.getAddressingVersion().faultToTag);
}
Packet requestCopy = request.copy(true);
fiberExecutor.start(
request, new AppRequestProcessingCallback(responseStorage, clientUID, configuration));
return super.doReturnWith(createEmptyResponse(requestCopy));
} finally {
LOGGER.exiting();
}
}
@Override
public AbstractTubeImpl copy(TubeCloner cloner) {
LOGGER.entering();
try {
return new McServerTube(this, cloner);
} finally {
LOGGER.exiting();
}
}
@Override
public NextAction processException(Throwable t) {
try {
LOGGER.entering();
return super.processException(t);
} finally {
LOGGER.exiting();
}
}
public void putToDeliveryQueue(ApplicationMessage message) throws RxRuntimeException {
assert sequenceManager != null;
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.finer(
String.format(
"Putting a message with number [ %d ] to the delivery queue of a sequence [ %s ]",
message.getMessageNumber(), message.getSequenceId()));
}
sequenceManager.getSequence(message.getSequenceId()).getDeliveryQueue().put(message);
}
@Override
public NextAction processResponse(Packet response) {
try {
LOGGER.entering();
// with WS-MC enabled messages, this method gets never invoked
return super.processResponse(response);
} finally {
LOGGER.exiting();
}
}
class ClientDestinationDeliveryCallback implements Postman.Callback {
private static final Logger LOGGER = Logger.getLogger(ClientDestinationDeliveryCallback.class);
private final RuntimeContext rc;
public ClientDestinationDeliveryCallback(RuntimeContext rc) {
this.rc = rc;
}
public void deliver(ApplicationMessage message) {
if (message instanceof JaxwsApplicationMessage) {
deliver(JaxwsApplicationMessage.class.cast(message));
} else {
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSRM_1141_UNEXPECTED_MESSAGE_CLASS(
message.getClass().getName(), JaxwsApplicationMessage.class.getName())));
}
}
private void deliver(JaxwsApplicationMessage message) {
rc.suspendedFiberStorage.resumeFiber(message.getCorrelationId(), message.getPacket());
rc.destinationMessageHandler.acknowledgeApplicationLayerDelivery(message);
}
}
public List<Device> getDevices() {
try {
Builder obj =
service
.path(pathString)
.path(labBookPath + "/device")
.accept(MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON);
IndexBean indexBean =
FacesContext.getCurrentInstance()
.getApplication()
.evaluateExpressionGet(
FacesContext.getCurrentInstance(), "#{indexBean}", IndexBean.class);
Object username = indexBean.getLoginUserName();
obj.header("username", username);
DeviceListServiceBean result = obj.get(new GenericType<DeviceListServiceBean>() {});
List<Device> itemList = result.getDeviceList();
for (Item it : itemList) {
string = it.getName();
System.out.println(string);
}
return itemList;
} catch (Exception e) {
Logger.getLogger(this.getClass())
.log(Level.SEVERE, "LabBookToolClient.getDevices() exception occured", e);
}
return null;
}
public void deliver(ApplicationMessage message) {
if (message instanceof JaxwsApplicationMessage) {
deliver(JaxwsApplicationMessage.class.cast(message));
} else {
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSRM_1141_UNEXPECTED_MESSAGE_CLASS(
message.getClass().getName(), JaxwsApplicationMessage.class.getName())));
}
}
public void onCompletion(Packet response) {
LOGGER.finer(LocalizationMessages.WSMC_0105_STORING_RESPONSE(clientUID));
if (response.getMessage() != null) {
final HeaderList headers = response.getMessage().getHeaders();
headers.remove(configuration.getAddressingVersion().toTag);
headers.add(
Headers.create(
configuration.getAddressingVersion().toTag,
configuration.getMcVersion().getWsmcAnonymousAddress(clientUID)));
}
responseStorage.store(response, clientUID);
}
private String getClientUID(Packet request) {
Header replyToHeader =
request
.getMessage()
.getHeaders()
.get(configuration.getAddressingVersion().replyToTag, false);
if (replyToHeader != null) {
try {
String replyToAddress =
replyToHeader.readAsEPR(configuration.getAddressingVersion()).getAddress();
return configuration.getMcVersion().getClientId(replyToAddress);
} catch (XMLStreamException ex) {
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSMC_0103_ERROR_RETRIEVING_WSA_REPLYTO_CONTENT(), ex));
}
}
return null;
}
public List<Laptop> getLaptops() {
try {
Builder obj =
service
.path(pathString)
.path(labBookPath + "/laptop")
.accept(MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON);
LaptopListServiceBean result = obj.get(new GenericType<LaptopListServiceBean>() {});
List<Laptop> laptopList = result.getLaptopList();
for (Item it : laptopList) {
string = it.getName();
System.out.println(string);
}
return laptopList;
} catch (Exception e) {
Logger.getLogger(this.getClass())
.log(Level.SEVERE, "LabBookToolClient.getDevices() exception occured", e);
}
return new ArrayList<Laptop>();
}
private static final class AppRequestProcessingCallback implements Fiber.CompletionCallback {
private static final Logger LOGGER = Logger.getLogger(AppRequestProcessingCallback.class);
private final ResponseStorage responseStorage;
private final String clientUID;
private final McConfiguration configuration;
public AppRequestProcessingCallback(
@NotNull ResponseStorage responseStorage,
@NotNull String clientUID,
@NotNull McConfiguration configuration) {
this.responseStorage = responseStorage;
this.clientUID = clientUID;
this.configuration = configuration;
}
public void onCompletion(Packet response) {
LOGGER.finer(LocalizationMessages.WSMC_0105_STORING_RESPONSE(clientUID));
if (response.getMessage() != null) {
final HeaderList headers = response.getMessage().getHeaders();
headers.remove(configuration.getAddressingVersion().toTag);
headers.add(
Headers.create(
configuration.getAddressingVersion().toTag,
configuration.getMcVersion().getWsmcAnonymousAddress(clientUID)));
}
responseStorage.store(response, clientUID);
}
public void onCompletion(Throwable error) {
LOGGER.severe(
LocalizationMessages.WSMC_0106_EXCEPTION_IN_REQUEST_PROCESSING(clientUID), error);
}
}
/**
* Handles outgoing application messages. This class encapsulates RM Source logic that is
* independent on of the actual delivery mechanism or framework (such as JAX-WS fibers).
*
* @author Marek Potociar <marek.potociar at sun.com>
*/
class SourceMessageHandler implements MessageHandler {
private static final Logger LOGGER = Logger.getLogger(SourceMessageHandler.class);
private volatile SequenceManager sequenceManager;
SourceMessageHandler(@Nullable SequenceManager sequenceManager) {
this.sequenceManager = sequenceManager;
}
void setSequenceManager(SequenceManager sequenceManager) {
this.sequenceManager = sequenceManager;
}
/**
* Registers outgoing message with the provided outbound sequence and sets sequenceId and
* messageNumber properties on the outgoing message.
*
* <p>Once the message is registered and properties are set, the message is placed into a delivery
* queue and delivery callback is invoked.
*
* @throws UnknownSequenceException if no such sequence exits for a given sequence identifier
*/
public void registerMessage(
@NotNull ApplicationMessage outMessage, @NotNull String outboundSequenceId)
throws DuplicateMessageRegistrationException, UnknownSequenceException {
assert sequenceManager != null;
assert outMessage != null;
assert outboundSequenceId != null;
final Sequence outboundSequence = sequenceManager.getSequence(outboundSequenceId);
outboundSequence.registerMessage(
outMessage, true); // TODO it may not be needed to store message if AtMostOnce delivery
}
/**
* Attaches RM acknowledgement information such as inbound sequence acknowledgements (if there is
* an inbound sequence bound to the specified outbound sequence) or outbound sequence
* acknowledgement requested flag to the outgoing message.
*
* @throws UnknownSequenceException if no such sequence exits for a given sequence identifier
*/
public void attachAcknowledgementInfo(@NotNull ApplicationMessage outMessage)
throws UnknownSequenceException {
assert sequenceManager != null;
assert outMessage != null;
assert outMessage.getSequenceId() != null;
// inbound sequence acknowledgements
outMessage.setAcknowledgementData(getAcknowledgementData(outMessage.getSequenceId()));
}
/**
* Retrieves acknowledgement information for a given outbound (and inbound) sequence
*
* @param outboundSequenceId outbound sequence identifier
* @return acknowledgement information for a given outbound sequence
* @throws UnknownSequenceException if no such sequence exits for a given sequence identifier
*/
public AcknowledgementData getAcknowledgementData(String outboundSequenceId)
throws UnknownSequenceException {
assert sequenceManager != null;
AcknowledgementData.Builder ackDataBuilder = AcknowledgementData.getBuilder();
Sequence inboundSequence = sequenceManager.getBoundSequence(outboundSequenceId);
if (inboundSequence != null) {
/**
* If inbound sequence exists, we are not checking if inboundSequence.isAckRequested() is
* true. Instead, we are allways attaching inbound sequence acknowledegements (even if not
* requested by the other side) This is to avoid potential locks in InOrder
* delivery/redelivery scenarios.
*
* <p>For example, following could happen on the client side with InOrder enabled if we
* strictly checked for inboundSequence.isAckRequested() to be true:
*
* <p>0. response to a previous client request arrives, endpoint is waiting for an
* acknowledgement 1. client request is put to delivery queue 2. acknowledgements are attached
* to the client request and ackRequested flag is cleared on inbound sequence 3. client
* request gets lost. 4. client request is scheduled for a resend 5. client request is put to
* delivery queue 6. this time, ackRequested flag is clear, so we will not append any
* acknowledgements 7. client request is processed on the endpoint and response is put to the
* endpoint's source delivery queue 8. since there was no acknowledgement of the previous
* response, the new response is blocekd in the delivery queue forever
*
* <p>After step 8., communication between client and endpoint might freeze in a deadlock
* unless another means of communicating the sequence acknowledgements from client to the
* endpoint are established.
*/
ackDataBuilder.acknowledgements(
inboundSequence.getId(),
inboundSequence.getAcknowledgedMessageNumbers(),
inboundSequence.isClosed());
inboundSequence.clearAckRequestedFlag();
}
// outbound sequence ack requested flag
final Sequence outboundSequence = sequenceManager.getSequence(outboundSequenceId);
if (outboundSequence.hasUnacknowledgedMessages()) {
ackDataBuilder.ackReqestedSequenceId(outboundSequenceId);
outboundSequence.updateLastAcknowledgementRequestTime();
}
final AcknowledgementData acknowledgementData = ackDataBuilder.build();
return acknowledgementData;
}
public void putToDeliveryQueue(ApplicationMessage message) throws RxRuntimeException {
assert sequenceManager != null;
if (LOGGER.isLoggable(Level.FINER)) {
LOGGER.finer(
String.format(
"Putting a message with number [ %d ] to the delivery queue of a sequence [ %s ]",
message.getMessageNumber(), message.getSequenceId()));
}
sequenceManager.getSequence(message.getSequenceId()).getDeliveryQueue().put(message);
}
}
/** @author Marek Potociar <marek.potociar at sun.com> */
public class McServerTube extends AbstractFilterTubeImpl {
private static final class ResponseStorage {
final Map<String, Queue<Packet>> storage = new HashMap<String, Queue<Packet>>();
final ReentrantReadWriteLock storageLock = new ReentrantReadWriteLock();
void store(@NotNull Packet response, @NotNull String clientUID) {
if (!getClientQueue(clientUID).offer(response)) {
LOGGER.severe(LocalizationMessages.WSMC_0104_ERROR_STORING_RESPONSE(clientUID));
}
}
private Packet getPendingResponsePacket(@NotNull String clientUID) {
try {
storageLock.readLock().lock();
final Queue<Packet> clientQueue = storage.get(clientUID);
return (clientQueue == null) ? null : clientQueue.poll();
} finally {
storageLock.readLock().unlock();
}
}
private boolean hasPendingResponse(@NotNull String clientUID) {
try {
storageLock.readLock().lock();
final Queue<Packet> clientQueue = storage.get(clientUID);
return clientQueue != null && !clientQueue.isEmpty();
} finally {
storageLock.readLock().unlock();
}
}
private Queue<Packet> getClientQueue(@NotNull String clientUID) {
try {
storageLock.readLock().lock();
Queue<Packet> clientQueue = storage.get(clientUID);
if (clientQueue == null) {
storageLock.readLock().unlock();
try {
storageLock.writeLock().lock();
clientQueue = storage.get(clientUID);
if (clientQueue == null) { // recheck
clientQueue = new ConcurrentLinkedQueue<Packet>();
storage.put(clientUID, clientQueue);
}
storageLock.readLock().lock();
} finally {
storageLock.writeLock().unlock();
}
}
return clientQueue;
} finally {
storageLock.readLock().unlock();
}
}
}
private static final class AppRequestProcessingCallback implements Fiber.CompletionCallback {
private static final Logger LOGGER = Logger.getLogger(AppRequestProcessingCallback.class);
private final ResponseStorage responseStorage;
private final String clientUID;
private final McConfiguration configuration;
public AppRequestProcessingCallback(
@NotNull ResponseStorage responseStorage,
@NotNull String clientUID,
@NotNull McConfiguration configuration) {
this.responseStorage = responseStorage;
this.clientUID = clientUID;
this.configuration = configuration;
}
public void onCompletion(Packet response) {
LOGGER.finer(LocalizationMessages.WSMC_0105_STORING_RESPONSE(clientUID));
if (response.getMessage() != null) {
final HeaderList headers = response.getMessage().getHeaders();
headers.remove(configuration.getAddressingVersion().toTag);
headers.add(
Headers.create(
configuration.getAddressingVersion().toTag,
configuration.getMcVersion().getWsmcAnonymousAddress(clientUID)));
}
responseStorage.store(response, clientUID);
}
public void onCompletion(Throwable error) {
LOGGER.severe(
LocalizationMessages.WSMC_0106_EXCEPTION_IN_REQUEST_PROCESSING(clientUID), error);
}
}
//
private static final Logger LOGGER = Logger.getLogger(McServerTube.class);
//
private final McConfiguration configuration;
private final FiberExecutor fiberExecutor;
private final ResponseStorage responseStorage;
McServerTube(McConfiguration configuration, Tube tubelineHead) {
super(tubelineHead);
this.configuration = configuration;
this.fiberExecutor = new FiberExecutor("McServerTubeCommunicator", tubelineHead);
this.responseStorage = new ResponseStorage();
}
McServerTube(McServerTube original, TubeCloner cloner) {
super(original, cloner);
this.configuration = original.configuration;
this.fiberExecutor = original.fiberExecutor;
this.responseStorage = original.responseStorage;
}
@Override
public AbstractTubeImpl copy(TubeCloner cloner) {
LOGGER.entering();
try {
return new McServerTube(this, cloner);
} finally {
LOGGER.exiting();
}
}
@Override
public NextAction processRequest(Packet request) {
try {
LOGGER.entering();
assert request.getMessage() != null
: "Unexpected [null] message in the server-side Tube.processRequest()";
String clientUID = getClientUID(request);
if (isMakeConnectionRequest(request)) {
return handleMakeConnectionRequest(request, clientUID);
}
if (clientUID == null) {
// don't bother - this is not a WS-MC enabled request
return super.processRequest(request);
} else {
// TODO replace with proper code that replaces only address
// removing replyTo header and faultTo header to prevent addressing server tube from
// treating this request as non-anonymous
request.getMessage().getHeaders().remove(configuration.getAddressingVersion().replyToTag);
request.getMessage().getHeaders().remove(configuration.getAddressingVersion().faultToTag);
}
Packet requestCopy = request.copy(true);
fiberExecutor.start(
request, new AppRequestProcessingCallback(responseStorage, clientUID, configuration));
return super.doReturnWith(createEmptyResponse(requestCopy));
} finally {
LOGGER.exiting();
}
}
@Override
public NextAction processResponse(Packet response) {
try {
LOGGER.entering();
// with WS-MC enabled messages, this method gets never invoked
return super.processResponse(response);
} finally {
LOGGER.exiting();
}
}
private NextAction handleMakeConnectionRequest(Packet request, String clientUID) {
try {
LOGGER.entering();
String selectionUID;
try {
MakeConnectionElement mcElement =
request
.getMessage()
.readPayloadAsJAXB(
configuration
.getMcVersion()
.getUnmarshaller(configuration.getAddressingVersion()));
selectionUID = configuration.getMcVersion().getClientId(mcElement.getAddress().getValue());
} catch (JAXBException ex) {
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSMC_0107_ERROR_UNMARSHALLING_PROTOCOL_MESSAGE(), ex));
}
if (selectionUID == null) {
// TODO return a MissingSelection SOAP fault
throw LOGGER.logSevereException(
new RxRuntimeException(LocalizationMessages.WSMC_0108_NULL_SELECTION_ADDRESS()));
}
if (!selectionUID.equals(clientUID)) {
// TODO return a SOAP fault?
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSMC_0109_SELECTION_ADDRESS_NOT_MATCHING_WSA_REPLYTO()));
}
Packet response = null;
if (selectionUID != null && responseStorage.hasPendingResponse(selectionUID)) {
LOGGER.finer(
LocalizationMessages.WSMC_0110_PENDING_MESSAGE_FOUND_FOR_SELECTION_UUID(selectionUID));
response = responseStorage.getPendingResponsePacket(selectionUID);
}
if (response == null) {
LOGGER.finer(
LocalizationMessages.WSMC_0111_NO_PENDING_MESSAGE_FOUND_FOR_SELECTION_UUID(
selectionUID));
response = createEmptyResponse(request);
} else {
Message message = response.getMessage();
if (message != null) {
HeaderList headers = message.getHeaders();
headers.add(
Headers.create(
configuration.getMcVersion().getJaxbContext(configuration.getAddressingVersion()),
new MessagePendingElement(
Boolean.valueOf(
selectionUID != null
&& responseStorage.hasPendingResponse(selectionUID)))));
}
}
return super.doReturnWith(response);
} finally {
LOGGER.exiting();
}
}
@Override
public NextAction processException(Throwable t) {
try {
LOGGER.entering();
return super.processException(t);
} finally {
LOGGER.exiting();
}
}
@Override
public void preDestroy() {
super.preDestroy();
}
private String getClientUID(Packet request) {
Header replyToHeader =
request
.getMessage()
.getHeaders()
.get(configuration.getAddressingVersion().replyToTag, false);
if (replyToHeader != null) {
try {
String replyToAddress =
replyToHeader.readAsEPR(configuration.getAddressingVersion()).getAddress();
return configuration.getMcVersion().getClientId(replyToAddress);
} catch (XMLStreamException ex) {
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSMC_0103_ERROR_RETRIEVING_WSA_REPLYTO_CONTENT(), ex));
}
}
return null;
}
private boolean isMakeConnectionRequest(final Packet request) {
return configuration
.getMcVersion()
.wsmcAction
.equals(
request
.getMessage()
.getHeaders()
.getAction(configuration.getAddressingVersion(), configuration.getSoapVersion()));
}
private Packet createEmptyResponse(Packet request) {
return request.createServerResponse(null, null, null, "");
}
}
private NextAction handleMakeConnectionRequest(Packet request, String clientUID) {
try {
LOGGER.entering();
String selectionUID;
try {
MakeConnectionElement mcElement =
request
.getMessage()
.readPayloadAsJAXB(
configuration
.getMcVersion()
.getUnmarshaller(configuration.getAddressingVersion()));
selectionUID = configuration.getMcVersion().getClientId(mcElement.getAddress().getValue());
} catch (JAXBException ex) {
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSMC_0107_ERROR_UNMARSHALLING_PROTOCOL_MESSAGE(), ex));
}
if (selectionUID == null) {
// TODO return a MissingSelection SOAP fault
throw LOGGER.logSevereException(
new RxRuntimeException(LocalizationMessages.WSMC_0108_NULL_SELECTION_ADDRESS()));
}
if (!selectionUID.equals(clientUID)) {
// TODO return a SOAP fault?
throw LOGGER.logSevereException(
new RxRuntimeException(
LocalizationMessages.WSMC_0109_SELECTION_ADDRESS_NOT_MATCHING_WSA_REPLYTO()));
}
Packet response = null;
if (selectionUID != null && responseStorage.hasPendingResponse(selectionUID)) {
LOGGER.finer(
LocalizationMessages.WSMC_0110_PENDING_MESSAGE_FOUND_FOR_SELECTION_UUID(selectionUID));
response = responseStorage.getPendingResponsePacket(selectionUID);
}
if (response == null) {
LOGGER.finer(
LocalizationMessages.WSMC_0111_NO_PENDING_MESSAGE_FOUND_FOR_SELECTION_UUID(
selectionUID));
response = createEmptyResponse(request);
} else {
Message message = response.getMessage();
if (message != null) {
HeaderList headers = message.getHeaders();
headers.add(
Headers.create(
configuration.getMcVersion().getJaxbContext(configuration.getAddressingVersion()),
new MessagePendingElement(
Boolean.valueOf(
selectionUID != null
&& responseStorage.hasPendingResponse(selectionUID)))));
}
}
return super.doReturnWith(response);
} finally {
LOGGER.exiting();
}
}
public void onCompletion(Throwable error) {
LOGGER.severe(
LocalizationMessages.WSMC_0106_EXCEPTION_IN_REQUEST_PROCESSING(clientUID), error);
}