/**
* All proprietary Comet based {@link Servlet} must invoke the cancelled method when the
* underlying WebServer detect that the client closed the connection.
*
* @param req the {@link AtmosphereRequest}
* @param res the {@link AtmosphereResponse}
* @return action the Action operation.
* @throws java.io.IOException
* @throws javax.servlet.ServletException
*/
public Action cancelled(AtmosphereRequest req, AtmosphereResponse res)
throws IOException, ServletException {
synchronized (req) {
AtmosphereResourceImpl r = null;
try {
if (trackActiveRequest) {
long l = (Long) req.getAttribute(MAX_INACTIVE);
if (l == -1) {
// The closedDetector closed the connection.
return timedoutAction;
}
req.setAttribute(MAX_INACTIVE, (long) -1);
}
logger.debug("Cancelling the connection for request {}", req);
r = (AtmosphereResourceImpl) req.getAttribute(FrameworkConfig.ATMOSPHERE_RESOURCE);
if (r != null) {
r.getAtmosphereResourceEvent().setCancelled(true);
invokeAtmosphereHandler(r);
try {
r.getResponse().sendError(503);
r.getResponse().getOutputStream().close();
} catch (Throwable t) {
try {
r.getResponse().getWriter().close();
} catch (Throwable t2) {
}
}
}
} catch (Throwable ex) {
// Something wrong happenned, ignore the exception
logger.debug("failed to cancel resource: " + r, ex);
} finally {
try {
if (r != null) {
r.notifyListeners();
r.setIsInScope(false);
r.cancel();
}
} catch (Throwable t) {
logger.trace("cancel", t);
} finally {
if (r != null) {
destroyResource(r);
}
}
}
}
return cancelledAction;
}
/**
* 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;
}