public void stop(boolean now) throws Exception {
log.info("Stopping Gravity (now=%s)...", now);
synchronized (this) {
if (adapterFactory != null) {
try {
adapterFactory.stopAll();
} catch (Exception e) {
log.error(e, "Error while stopping adapter factory");
}
adapterFactory = null;
}
if (serverChannel != null) {
try {
removeChannel(serverChannel.getId(), false);
} catch (Exception e) {
log.error(e, "Error while removing server channel: %s", serverChannel);
}
serverChannel = null;
}
if (channelsTimer != null) {
try {
channelsTimer.cancel();
} catch (Exception e) {
log.error(e, "Error while cancelling channels timer");
}
channelsTimer = null;
}
if (gravityPool != null) {
try {
if (now) gravityPool.shutdownNow();
else gravityPool.shutdown();
} catch (Exception e) {
log.error(e, "Error while stopping thread pool");
}
gravityPool = null;
}
if (udpReceiverFactory != null) {
try {
udpReceiverFactory.stop();
} catch (Exception e) {
log.error(e, "Error while stopping udp receiver factory");
}
udpReceiverFactory = null;
}
started = false;
}
log.info("Gravity sucessfully stopped.");
}
protected void createUdpReceiver(UdpReceiverFactory factory, AsyncHttpContext asyncHttpContext) {
OutputStream os = null;
try {
Message connectMessage = asyncHttpContext.getConnectMessage();
if (udpReceiver == null || udpReceiver.isClosed())
udpReceiver = factory.newReceiver(this, asyncHttpContext.getRequest(), connectMessage);
AsyncMessage reply = udpReceiver.acknowledge(connectMessage);
HttpServletRequest request = asyncHttpContext.getRequest();
HttpServletResponse response = asyncHttpContext.getResponse();
GraniteContext context =
HttpGraniteContext.createThreadIntance(
gravity.getGraniteConfig(), gravity.getServicesConfig(), null, request, response);
((AMFContextImpl) context.getAMFContext())
.setCurrentAmf3Message(asyncHttpContext.getConnectMessage());
GravityServletUtil.serialize(
gravity,
response,
new AsyncMessage[] {reply},
ContentType.forMimeType(request.getContentType()));
} catch (ServletException e) {
log.error(e, "Could not send UDP connect acknowledgement to channel: %s", this);
} catch (IOException e) {
log.error(e, "Could not send UDP connect acknowledgement to channel: %s", this);
} finally {
try {
GraniteContext.release();
} catch (Exception e) {
// should never happen...
}
// Close output stream.
try {
if (os != null) {
try {
os.close();
} catch (IOException e) {
log.warn(e, "Could not close output stream (ignored)");
}
}
} finally {
releaseAsyncHttpContext(asyncHttpContext);
}
}
}
private Message handleSecurityMessage(CommandMessage message) {
GraniteConfig config = GraniteContext.getCurrentInstance().getGraniteConfig();
Message response = null;
if (!config.hasSecurityService())
log.warn(
"Ignored security operation (no security settings in granite-config.xml): %s", message);
else if (!config.getSecurityService().acceptsContext())
log.info(
"Ignored security operation (security service does not handle this kind of granite context)",
message);
else {
SecurityService securityService = config.getSecurityService();
try {
if (message.isLoginOperation())
securityService.login(
message.getBody(), (String) message.getHeader(Message.CREDENTIALS_CHARSET_HEADER));
else securityService.logout();
} catch (Exception e) {
if (e instanceof SecurityServiceException)
log.debug(e, "Could not process security operation: %s", message);
else log.error(e, "Could not process security operation: %s", message);
response = new ErrorMessage(message, e, true);
}
}
if (response == null) {
response = new AcknowledgeMessage(message, true);
// For SDK 2.0.1_Hotfix2.
if (message.isSecurityOperation()) response.setBody("success");
}
return response;
}
public void receive(AsyncMessage message) throws MessageReceivingException {
if (message == null) throw new NullPointerException("message cannot be null");
GravityInternal gravity = getGravity();
if (udpReceiver != null) {
if (udpReceiver.isClosed()) return;
try {
udpReceiver.receive(message);
} catch (MessageReceivingException e) {
if (e.getCause() instanceof SocketException) {
log.debug(e, "Closing unreachable UDP channel %s", getId());
udpReceiver.close(false);
} else log.error(e, "Cannot access UDP channel %s", getId());
}
return;
}
receivedQueueLock.lock();
try {
if (receivedQueue.size() + 1 > gravity.getGravityConfig().getMaxMessagesQueuedPerChannel())
throw new MessageReceivingException(
message, "Could not queue message (channel's queue is full) for channel: " + this);
log.debug(
"Channel %s queue message %s for client %s",
getId(), message.getMessageId(), message.getClientId());
receivedQueue.add(message);
} finally {
receivedQueueLock.unlock();
}
if (hasAsyncHttpContext()) receiver.queue(gravity);
}
/*
* (non-Javadoc)
* @see javax.servlet.http.HttpServlet#doPost(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
if (log.isInfoEnabled())
try {
GraniteContext context =
HttpGraniteContext.createThreadIntance(
graniteConfig, servicesConfig, getServletContext(), request, response);
if (context == null) throw new ServletException("GraniteContext not Initialized!!");
// AMFContextImpl amf = (AMFContextImpl) context.getAMFContext();
// Phase1 Deserializing AMF0 request
if (log.isInfoEnabled())
log.info(">>>>> Deserializing AMF0 request from..." + request.getRequestURI());
AMF0Deserializer deserializer =
new AMF0Deserializer(new DataInputStream(request.getInputStream()));
AMF0Message amf0Request = deserializer.getAMFMessage();
// Phase2 Processing AMF0 request
if (log.isInfoEnabled()) log.info(">>>>> Processing AMF0 request: " + amf0Request);
AMF0Message amf0Response = AMF0MessageProcessor.process(amf0Request);
if (log.isInfoEnabled()) log.info("<<<<< Returning AMF0 response: " + amf0Response);
// Phase3 Send back response to the client
response.setContentType(AMF0Message.CONTENT_TYPE);
AMF0Serializer serializer =
new AMF0Serializer(new DataOutputStream(response.getOutputStream()));
serializer.serializeMessage(amf0Response);
if (log.isInfoEnabled()) log.info("...End of Processing AMF Request......");
} catch (Exception e) {
log.error(e, "Could not handle AMF request");
throw new ServletException(e);
}
}
public boolean handleMarkerItem(ScannedItem item) {
try {
return handleProperties(item.loadAsProperties());
} catch (Exception e) {
log.error(e, "Could not load properties: %s", item);
}
return true;
}
public Channel removeChannel(String channelId, boolean timeout) {
if (channelId == null) return null;
// Remove existing channel id/subscriptions in distributed data (clustering).
try {
DistributedData gdd = graniteConfig.getDistributedDataFactory().getInstance();
if (gdd != null) {
log.debug("Removing channel id from distributed data: %s", channelId);
gdd.removeChannelId(channelId);
}
} catch (Exception e) {
log.error(e, "Could not remove channel id from distributed data: %s", channelId);
}
TimeChannel<?> timeChannel = channels.get(channelId);
Channel channel = null;
if (timeChannel != null) {
try {
if (timeChannel.getTimerTask() != null) timeChannel.getTimerTask().cancel();
} catch (Exception e) {
// Should never happen...
}
channel = timeChannel.getChannel();
try {
for (Subscription subscription : channel.getSubscriptions()) {
try {
Message message = subscription.getUnsubscribeMessage();
handleMessage(channel.getFactory(), message, true);
} catch (Exception e) {
log.error(
e,
"Error while unsubscribing channel: %s from subscription: %s",
channel,
subscription);
}
}
} finally {
channels.remove(channelId);
channel.destroy(timeout);
}
}
return channel;
}
private boolean handleProperties(Properties properties) {
if (properties.getProperty("dependsOn") != null) {
String dependsOn = properties.getProperty("dependsOn");
try {
TypeUtil.forName(dependsOn);
} catch (ClassNotFoundException e) {
// Class not found, skip scan for this package
return true;
}
}
String classGetterName = properties.getProperty("classGetter");
if (!classGetterSet && classGetterName != null) {
try {
classGetter = TypeUtil.newInstance(classGetterName, ClassGetter.class);
} catch (Throwable t) {
log.error(t, "Could not create instance of: %s", classGetterName);
}
}
String amf3MessageInterceptorName = properties.getProperty("amf3MessageInterceptor");
if (amf3MessageInterceptor == null && amf3MessageInterceptorName != null) {
try {
amf3MessageInterceptor =
TypeUtil.newInstance(amf3MessageInterceptorName, AMF3MessageInterceptor.class);
} catch (Throwable t) {
log.error(t, "Could not create instance of: %s", amf3MessageInterceptorName);
}
}
for (Map.Entry<?, ?> me : properties.entrySet()) {
if (me.getKey().toString().startsWith("converter.")) {
String converterName = me.getValue().toString();
try {
converterClasses.add(TypeUtil.forName(converterName, Converter.class));
} catch (Exception e) {
throw new GraniteConfigException(
"Could not get converter class for: " + converterName, e);
}
}
}
return false;
}
private void scanConfig(String graniteConfigProperties) {
// if config overriding exists
Scanner scanner =
ScannerFactory.createScanner(
this,
graniteConfigProperties != null ? graniteConfigProperties : GRANITE_CONFIG_PROPERTIES);
try {
scanner.scan();
} catch (Exception e) {
log.error(e, "Could not scan classpath for configuration");
}
}
private void handleClass(Class<?> clazz) {
if (clazz.isInterface() || Modifier.isAbstract(clazz.getModifiers())) return;
if (Externalizer.class.isAssignableFrom(clazz)) {
try {
scannedExternalizers.add(TypeUtil.newInstance(clazz, Externalizer.class));
} catch (Exception e) {
log.error(e, "Could not create new instance of: %s", clazz);
}
}
if (ExceptionConverter.class.isAssignableFrom(clazz)) {
try {
exceptionConverters.add(TypeUtil.newInstance(clazz, ExceptionConverter.class));
} catch (Exception e) {
if (!clazz
.getName()
.equals("org.granite.tide.hibernate.HibernateValidatorExceptionConverter")) // GDS-582
log.error(e, "Could not create new instance of: %s", clazz);
}
}
}
public void handleScannedItem(ScannedItem item) {
if ("class".equals(item.getExtension()) && item.getName().indexOf('$') == -1) {
try {
handleClass(item.loadAsClass());
} catch (NoClassDefFoundError e) {
// Ignore errors with Tide classes depending on Gravity
} catch (LinkageError e) {
// Ignore errors with GraniteDS/Hibernate classes depending on Hibernate 3 when using
// Hibernate 4
} catch (Throwable t) {
log.error(t, "Could not load class: %s", item);
}
}
}
@Override
public Set<Class<?>> scan(Set<String> packageNames) {
Set<Class<?>> classes = new HashSet<Class<?>>();
Scanner scanner =
ScannerFactory.createScanner(new MessagingScannedItemHandler(packageNames, classes), null);
try {
scanner.scan();
} catch (Exception e) {
log.error(e, "Could not scan classpath for @RemoteAlias");
}
return classes;
}
@Validate
public void start() {
log.debug("Start OSGiServiceSimple: " + toString());
if (servicesConfig.findServiceById(id) == null) {
// Clear destinations
destinations.clear();
servicesConfig.addService(this);
started = true;
} else {
log.error("Service \"" + id + "\" already registered");
}
}
public void registerExceptionConverter(
Class<? extends ExceptionConverter> exceptionConverterClass, boolean first) {
for (ExceptionConverter ec : exceptionConverters) {
if (ec.getClass() == exceptionConverterClass) return;
}
try {
ExceptionConverter exceptionConverter =
TypeUtil.newInstance(exceptionConverterClass, ExceptionConverter.class);
if (first) exceptionConverters.add(0, exceptionConverter);
else exceptionConverters.add(exceptionConverter);
} catch (Exception e) {
log.error(e, "Could not instantiate exception converter: %s", exceptionConverterClass);
}
}
@Override
protected ServiceException getServiceException(
Message request, Destination destination, String method, Throwable t) {
if (t == null) throw new NullPointerException("Parameter t cannot be null");
Map<String, Object> extendedData = new HashMap<String, Object>();
if (t instanceof ServiceException) {
((ServiceException) t).getExtendedData().putAll(extendedData);
return (ServiceException) t;
}
List<Throwable> causes = new ArrayList<Throwable>();
for (Throwable cause = t; cause != null; cause = getCause(cause)) causes.add(cause);
String detail =
"\n"
+ "- destination: "
+ (destination != null ? destination.getId() : "")
+ "\n"
+ "- method: "
+ method
+ "\n"
+ "- exception: "
+ t.toString()
+ "\n";
for (int i = causes.size() - 1; i >= 0; i--) {
Throwable cause = causes.get(i);
for (ExceptionConverter ec :
GraniteContext.getCurrentInstance().getGraniteConfig().getExceptionConverters()) {
if (ec.accepts(cause, t)) return ec.convert(cause, detail, extendedData);
}
}
if (getLogException()) log.error(t, "Could not process remoting message: %s", request);
// Default exception handler
ServiceException se =
new ServiceException(
t.getClass().getSimpleName() + ".Call.Failed", t.getMessage(), detail, t);
se.getExtendedData().putAll(extendedData);
return se;
}
private void dumpBytes(String label, byte[] bytes) {
StringBuilder hexSb = new StringBuilder();
StringBuilder charSb = new StringBuilder();
for (int i = 0; i < bytes.length; i++) {
int b = bytes[i] & 0xFF;
if (hexSb.length() > 0) {
hexSb.append(' ');
charSb.append(' ');
}
hexSb.append(HEXS.charAt(b >> 4)).append(HEXS.charAt(b & 0x0F));
if (b >= 0x20 && b <= 0x7e) charSb.append(' ').append((char) b);
else charSb.append("##");
}
log.info("[RAW %s] {\n%s\n%s\n}", label.toUpperCase(), hexSb.toString(), charSb.toString());
if (dumpDir != null) {
File file =
new File(
dumpDir.getPath()
+ File.separator
+ label
+ "_"
+ System.currentTimeMillis()
+ ".amf");
for (int i = 1; i < 100 && file.exists(); i++)
file = new File(file.getAbsolutePath() + "." + i);
OutputStream os = null;
try {
os = new FileOutputStream(file);
os.write(bytes);
} catch (Exception e) {
log.error(e, "Could not write dump file: %s", file);
} finally {
if (os != null)
try {
os.close();
} catch (Exception e) {
}
}
}
}
protected void internalStart() {
gravityPool = new GravityPool(gravityConfig);
channelsTimer = new Timer();
if (graniteConfig.isRegisterMBeans()) {
try {
ObjectName name =
new ObjectName(
"org.graniteds:type=Gravity,context=" + graniteConfig.getMBeanContextName());
log.info("Registering MBean: %s", name);
OpenMBean mBean = OpenMBean.createMBean(this);
MBeanServerLocator.getInstance().register(mBean, name, true);
} catch (Exception e) {
log.error(
e,
"Could not register Gravity MBean for context: %s",
graniteConfig.getMBeanContextName());
}
}
}
private Message handleUnsubscribeMessage(
final ChannelFactory<?> channelFactory, CommandMessage message) {
Channel channel = getChannel(channelFactory, (String) message.getClientId());
if (channel == null) return handleUnknownClientMessage(message);
AsyncMessage reply = null;
ServiceAdapter adapter = adapterFactory.getServiceAdapter(message);
reply = (AcknowledgeMessage) adapter.manage(channel, message);
postManage(channel);
if (!(reply instanceof ErrorMessage)) {
// Remove subscription message in distributed data (clustering).
try {
DistributedData gdd = graniteConfig.getDistributedDataFactory().getInstance();
if (gdd != null) {
String subscriptionId =
(String) message.getHeader(AsyncMessage.DESTINATION_CLIENT_ID_HEADER);
log.debug(
"Removing subscription message from channel info: %s - %s",
channel.getId(), subscriptionId);
gdd.removeSubcription(channel.getId(), subscriptionId);
}
} catch (Exception e) {
log.error(
e,
"Could not remove subscription from distributed data: %s - %s",
channel.getId(),
message.getHeader(AsyncMessage.DESTINATION_CLIENT_ID_HEADER));
}
}
reply.setDestination(message.getDestination());
reply.setClientId(channel.getId());
reply.getHeaders().putAll(message.getHeaders());
return reply;
}
public boolean runPublish() {
LinkedList<AsyncPublishedMessage> publishedCopy = null;
publishedQueueLock.lock();
try {
if (publishedQueue.isEmpty()) return false;
publishedCopy = publishedQueue;
publishedQueue = new LinkedList<AsyncPublishedMessage>();
} finally {
publishedQueueLock.unlock();
}
for (AsyncPublishedMessage message : publishedCopy) {
try {
message.publish(this);
} catch (Exception e) {
log.error(e, "Error while trying to publish message: %s", message);
}
}
return true;
}
/*
* (non-Javadoc)
* @see javax.servlet.GenericServlet#init(javax.servlet.ServletConfig)
*/
@Override
public void init(ServletConfig config) {
try {
super.init(config);
Configuration configuration = Activator.getConfigurationService();
getServletContext()
.setAttribute(ServletGraniteConfig.GRANITE_CONFIG_CONFIGURATION_KEY, configuration);
graniteConfig = ServletGraniteConfig.loadConfig(getServletContext());
servicesConfig = ServletServicesConfig.loadConfig(getServletContext());
// register EventHandler ServicesConfig handle Add or Remove dataservice
Dictionary<String, Object> properties = new Hashtable<String, Object>();
String[] topics =
new String[] {
OSGIConstants.TOPIC_GDS_ADD_SERVICE, OSGIConstants.TOPIC_GDS_REMOVE_SERVICE
};
properties.put(EventConstants.EVENT_TOPIC, topics);
context.registerService(
EventHandler.class.getName(), new ServiceEventHandler(servicesConfig), properties);
} catch (ServletException e) {
log.error(e, "Could initialize OSGi service adaptor");
}
}
@SuppressWarnings("unchecked")
public <C extends Channel> C getChannel(ChannelFactory<C> channelFactory, String clientId) {
if (clientId == null) return null;
TimeChannel<C> timeChannel = (TimeChannel<C>) channels.get(clientId);
if (timeChannel == null) {
// Look for existing channel id/subscriptions in distributed data (clustering).
log.debug("Lookup channel %s in distributed data", clientId);
try {
DistributedData gdd = graniteConfig.getDistributedDataFactory().getInstance();
if (gdd != null && gdd.hasChannelId(clientId)) {
log.debug("Found channel id in distributed data: %s", clientId);
String channelFactoryClassName = gdd.getChannelFactoryClassName(clientId);
String clientType = gdd.getChannelClientType(clientId);
channelFactory =
(ChannelFactory<C>)
TypeUtil.newInstance(
channelFactoryClassName, new Class<?>[] {Gravity.class}, new Object[] {this});
C channel = channelFactory.newChannel(clientId, clientType);
timeChannel = new TimeChannel<C>(channel);
if (channels.putIfAbsent(clientId, timeChannel) == null) {
for (CommandMessage subscription : gdd.getSubscriptions(clientId)) {
log.debug("Resubscribing channel: %s - %s", clientId, subscription);
handleSubscribeMessage(channelFactory, subscription, false);
}
access(clientId);
}
}
} catch (Exception e) {
log.error(
e, "Could not recreate channel/subscriptions from distributed data: %s", clientId);
}
}
return (timeChannel != null ? timeChannel.getChannel() : null);
}
protected <C extends Channel> C createChannel(ChannelFactory<C> channelFactory, String clientId) {
C channel = null;
if (clientId != null) {
channel = getChannel(channelFactory, clientId);
if (channel != null) return channel;
}
String clientType = GraniteContext.getCurrentInstance().getClientType();
channel = channelFactory.newChannel(UUIDUtil.randomUUID(), clientType);
TimeChannel<C> timeChannel = new TimeChannel<C>(channel);
for (int i = 0; channels.putIfAbsent(channel.getId(), timeChannel) != null; i++) {
if (i >= 10)
throw new RuntimeException("Could not find random new clientId after 10 iterations");
channel.destroy(false);
channel = channelFactory.newChannel(UUIDUtil.randomUUID(), clientType);
timeChannel = new TimeChannel<C>(channel);
}
String channelId = channel.getId();
// Save channel id in distributed data (clustering).
try {
DistributedData gdd = graniteConfig.getDistributedDataFactory().getInstance();
if (gdd != null) {
log.debug("Saving channel id in distributed data: %s", channelId);
gdd.addChannelId(channelId, channelFactory.getClass().getName(), clientType);
}
} catch (Exception e) {
log.error(e, "Could not add channel id in distributed data: %s", channelId);
}
// Initialize timer task.
access(channelId);
return channel;
}
/* (non-Javadoc)
* @see org.granite.tide.ejb.EJBServiceContextIntf#findComponent(java.lang.String)
*/
@Override
public Object findComponent(String componentName, Class<?> componentClass) {
if ("identity".equals(componentName)) return identity;
EjbComponent component = ejbLookupCache.get(componentName);
if (component != null) return component.ejbInstance;
// Compute EJB JNDI binding.
String name = componentName;
if (lookup != null) {
name = lookup;
if (lookup.contains(CAPITALIZED_DESTINATION_ID))
name = lookup.replace(CAPITALIZED_DESTINATION_ID, capitalize(componentName));
if (lookup.contains(DESTINATION_ID)) name = lookup.replace(DESTINATION_ID, componentName);
}
InitialContext ic = null;
try {
ic = new InitialContext();
} catch (Exception e) {
throw new ServiceException("Could not get InitialContext", e);
}
log.debug(">> New EjbServiceInvoker looking up: %s", name);
try {
component = new EjbComponent();
component.ejbInstance = ic.lookup(name);
component.ejbClasses = new HashSet<Class<?>>();
Class<?> scannedClass = null;
EjbScannedItemHandler itemHandler = EjbScannedItemHandler.instance();
for (Class<?> i : component.ejbInstance.getClass().getInterfaces()) {
if (itemHandler.getScannedClasses().containsKey(i)) {
scannedClass = itemHandler.getScannedClasses().get(i);
break;
}
}
if (scannedClass == null)
scannedClass = itemHandler.getScannedClasses().get(component.ejbInstance.getClass());
// GDS-768: handle of proxied no-interface EJBs in GlassFish v3
if (scannedClass == null && component.ejbInstance.getClass().getSuperclass() != null)
scannedClass =
itemHandler.getScannedClasses().get(component.ejbInstance.getClass().getSuperclass());
if (scannedClass != null) {
component.ejbClasses.add(scannedClass);
for (Map.Entry<Class<?>, Class<?>> me : itemHandler.getScannedClasses().entrySet()) {
if (me.getValue().equals(scannedClass)) component.ejbClasses.add(me.getKey());
}
component.ejbMetadata =
new EjbServiceMetadata(scannedClass, component.ejbInstance.getClass());
} else
log.warn(
"Ejb "
+ componentName
+ " was not scanned: remove method will not be called if it is a Stateful bean. Add META-INF/services-config.properties if needed.");
ejbLookupCache.put(componentName, component);
return component.ejbInstance;
} catch (NamingException e) {
log.error("EJB not found " + name + ": " + e.getMessage());
throw new ServiceException("Could not lookup for: " + name, e);
}
}
public boolean runReceived(AsyncHttpContext asyncHttpContext) {
GravityInternal gravity = getGravity();
if (asyncHttpContext != null && gravity.hasUdpReceiverFactory()) {
UdpReceiverFactory factory = gravity.getUdpReceiverFactory();
if (factory.isUdpConnectRequest(asyncHttpContext.getConnectMessage())) {
createUdpReceiver(factory, asyncHttpContext);
return true;
}
if (udpReceiver != null) {
if (!udpReceiver.isClosed()) udpReceiver.close(false);
udpReceiver = null;
}
}
boolean httpAsParam = (asyncHttpContext != null);
LinkedList<AsyncMessage> messages = null;
OutputStream os = null;
try {
receivedQueueLock.lock();
try {
// Do we have any pending messages?
if (receivedQueue.isEmpty()) return false;
// Do we have a valid http context?
if (asyncHttpContext == null) {
asyncHttpContext = acquireAsyncHttpContext();
if (asyncHttpContext == null) return false;
}
// Both conditions are ok, get all pending messages.
messages = receivedQueue;
receivedQueue = new LinkedList<AsyncMessage>();
} finally {
receivedQueueLock.unlock();
}
HttpServletRequest request = asyncHttpContext.getRequest();
HttpServletResponse response = asyncHttpContext.getResponse();
// Set response messages correlation ids to connect request message id.
String correlationId = asyncHttpContext.getConnectMessage().getMessageId();
AsyncMessage[] messagesArray = new AsyncMessage[messages.size()];
int i = 0;
for (AsyncMessage message : messages) {
message.setCorrelationId(correlationId);
messagesArray[i++] = message;
}
// Setup serialization context (thread local)
GraniteContext context =
HttpGraniteContext.createThreadIntance(
gravity.getGraniteConfig(), gravity.getServicesConfig(), null, request, response);
((AMFContextImpl) context.getAMFContext())
.setCurrentAmf3Message(asyncHttpContext.getConnectMessage());
// Write messages to response output stream.
GravityServletUtil.serialize(
gravity, response, messagesArray, ContentType.forMimeType(request.getContentType()));
return true; // Messages were delivered, http context isn't valid anymore.
} catch (ServletException e) {
log.error(e, "Configuration error for channel: %s", getId());
return true;
} catch (IOException e) {
log.warn(e, "Could not send messages to channel: %s (retrying later)", getId());
GravityConfig gravityConfig = getGravity().getGravityConfig();
if (gravityConfig.isRetryOnError()) {
receivedQueueLock.lock();
try {
if (receivedQueue.size() + messages.size()
> gravityConfig.getMaxMessagesQueuedPerChannel()) {
log.warn(
"Channel %s has reached its maximum queue capacity %s (throwing %s messages)",
getId(), gravityConfig.getMaxMessagesQueuedPerChannel(), messages.size());
} else receivedQueue.addAll(0, messages);
} finally {
receivedQueueLock.unlock();
}
}
return true; // Messages weren't delivered, but http context isn't valid anymore.
} finally {
// Cleanup serialization context (thread local)
try {
GraniteContext.release();
} catch (Exception e) {
// should never happen...
}
// Close output stream.
try {
if (os != null) {
try {
os.close();
} catch (IOException e) {
log.warn(e, "Could not close output stream (ignored)");
}
}
} finally {
// Cleanup http context (only if this method wasn't explicitly called with a non null
// AsyncHttpContext from the servlet).
if (!httpAsParam) releaseAsyncHttpContext(asyncHttpContext);
}
}
}
