/** {@inheritDoc} */
@Override
public synchronized AtmosphereResource resume() {
// We need to synchronize the method because the resume may occurs at the same time a message is
// published
// and we will miss that message. The DefaultBroadcaster synchronize on that method before
// writing a message.
try {
if (!isResumed && isInScope) {
action.type(Action.TYPE.RESUME);
isResumed = true;
// We need it as Jetty doesn't support timeout
Broadcaster b = getBroadcaster(false);
if (!b.isDestroyed() && b instanceof DefaultBroadcaster) {
((DefaultBroadcaster) b).broadcastOnResume(this);
}
notifyListeners();
try {
if (!b.isDestroyed()) {
broadcaster.removeAtmosphereResource(this);
}
} catch (IllegalStateException ex) {
logger.warn("Unable to resume", this);
logger.debug(ex.getMessage(), ex);
}
if (b.getScope() == Broadcaster.SCOPE.REQUEST) {
logger.debug("Broadcaster's scope is set to request, destroying it {}", b.getID());
b.destroy();
}
// Resuming here means we need to pull away from all other Broadcaster, if they exists.
if (config.getBroadcasterFactory() != null) {
config.getBroadcasterFactory().removeAllAtmosphereResource(this);
}
try {
req.setAttribute(ApplicationConfig.RESUMED_ON_TIMEOUT, Boolean.FALSE);
} catch (Exception ex) {
logger.debug("Resume exception: Cannot resume an already resumed/cancelled request", ex);
} finally {
try {
Meteor m = (Meteor) req.getAttribute(METEOR);
if (m != null) {
m.destroy();
}
} catch (Exception ex) {
logger.debug(
"Meteor resume exception: Cannot resume an already resumed/cancelled request", ex);
}
}
if (req.getAttribute(PRE_SUSPEND) == null) {
asyncSupport.action(this);
}
} else {
logger.debug("Cannot resume an already resumed/cancelled request {}", this);
}
} catch (Throwable t) {
logger.trace("Wasn't able to resume a connection {}", this, t);
}
notifyListeners(new AtmosphereResourceEventImpl(this, true, false));
listeners.clear();
return this;
}
@Override
public AtmosphereResource resume() {
if (!isSuspended()) {
logger.warn("AtmosphereResource {} not suspend, cannot resume it.", uuid());
return this;
}
try {
if (!isResumed.getAndSet(true) && isInScope.get()) {
logger.trace("AtmosphereResource {} is resuming", uuid());
action.type(Action.TYPE.RESUME);
// We need it as Jetty doesn't support timeout
Broadcaster b = getBroadcaster(false);
if (!b.isDestroyed() && b instanceof DefaultBroadcaster) {
((DefaultBroadcaster) b).broadcastOnResume(this);
}
notifyListeners();
try {
if (!b.isDestroyed()) {
broadcaster.removeAtmosphereResource(this);
}
} catch (IllegalStateException ex) {
logger.warn("Unable to resume", this);
logger.debug(ex.getMessage(), ex);
}
if (b.getScope() == Broadcaster.SCOPE.REQUEST) {
logger.debug("Broadcaster's scope is set to request, destroying it {}", b.getID());
b.destroy();
}
// Resuming here means we need to pull away from all other Broadcaster, if they exists.
if (config.getBroadcasterFactory() != null) {
config.getBroadcasterFactory().removeAllAtmosphereResource(this);
}
try {
req.setAttribute(ApplicationConfig.RESUMED_ON_TIMEOUT, Boolean.FALSE);
} catch (Exception ex) {
logger.debug("Resume exception: Cannot resume an already resumed/cancelled request", ex);
} finally {
try {
Meteor m = (Meteor) req.getAttribute(METEOR);
if (m != null) {
m.destroy();
}
} catch (Exception ex) {
logger.debug(
"Meteor resume exception: Cannot resume an already resumed/cancelled request", ex);
}
}
if (req.getAttribute(PRE_SUSPEND) == null) {
asyncSupport.action(this);
}
} else {
logger.trace("Already resumed {}", this);
return this;
}
} catch (Throwable t) {
logger.trace("Wasn't able to resume a connection {}", this, t);
}
listeners.clear();
return this;
}
/**
* All proprietary Comet based {@link Servlet} must invoke the timedout method when the underlying
* WebServer time out the {@link AtmosphereResponse}. The returned value, of type {@link Action},
* tells the proprietary Comet {@link Servlet} to resume (again), suspended or do nothing with the
* current {@link AtmosphereResponse}.
*
* @param request the {@link AtmosphereRequest}
* @param response the {@link AtmosphereResponse}
* @return action the Action operation.
* @throws java.io.IOException
* @throws javax.servlet.ServletException
*/
public Action timedout(AtmosphereRequest request, AtmosphereResponse response)
throws IOException, ServletException {
AtmosphereResourceImpl r = null;
try {
if (trackActiveRequest) {
long l = (Long) request.getAttribute(MAX_INACTIVE);
if (l == -1) {
// The closedDetector closed the connection.
return timedoutAction;
}
request.setAttribute(MAX_INACTIVE, (long) -1);
}
logger.debug("Timing out the connection for request {}", request);
// Something went wrong.
if (request == null || response == null) {
logger.warn("Invalid Request/Response: {}/{}", request, response);
return timedoutAction;
}
r = (AtmosphereResourceImpl) request.getAttribute(FrameworkConfig.ATMOSPHERE_RESOURCE);
if (r != null && r.getAtmosphereResourceEvent().isSuspended()) {
r.getAtmosphereResourceEvent().setIsResumedOnTimeout(true);
Broadcaster b = r.getBroadcaster();
if (b instanceof DefaultBroadcaster) {
((DefaultBroadcaster) b).broadcastOnResume(r);
}
if (request.getAttribute(ApplicationConfig.RESUMED_ON_TIMEOUT) != null) {
r.getAtmosphereResourceEvent()
.setIsResumedOnTimeout(
(Boolean) request.getAttribute(ApplicationConfig.RESUMED_ON_TIMEOUT));
}
invokeAtmosphereHandler(r);
}
} catch (Throwable t) {
logger.error("failed to timeout resource {}", r, t);
} finally {
try {
if (r != null) {
r.notifyListeners();
r.setIsInScope(false);
r.cancel();
}
} catch (Throwable t) {
logger.trace("timedout", t);
} finally {
try {
response.getOutputStream().close();
} catch (Throwable t) {
try {
response.getWriter().close();
} catch (Throwable t2) {
}
}
if (r != null) {
destroyResource(r);
}
}
}
return timedoutAction;
}