/*
* for internal usage, creates a NOTIFY notify, asks the content to the
* concrete implementation component, and then sends the request to the
* subscriber
*/
public void createAndSendNotify(
EntityManager entityManager,
Subscription subscription,
Dialog dialog,
ImplementedSubscriptionControlSbbLocalObject childSbb)
throws TransactionDoesNotExistException, SipException, ParseException {
// create notify
Request notify = createNotify(dialog, subscription);
// add content if subscription is active
if (subscription.getStatus().equals(Subscription.Status.active)) {
if (subscription.getKey().getEventPackage().endsWith(".winfo")) {
// winfo content, increment version before adding the content
subscription.incrementVersion();
entityManager.persist(subscription);
entityManager.flush();
notify.setContent(
sipSubscriptionHandler
.sbb
.getWInfoSubscriptionHandler()
.getFullWatcherInfoContent(entityManager, subscription),
sipSubscriptionHandler.sbb.getWInfoSubscriptionHandler().getWatcherInfoContentHeader());
} else {
// specific event package content
NotifyContent notifyContent = childSbb.getNotifyContent(subscription);
// add content
if (notifyContent != null) {
try {
notify =
setNotifyContent(
subscription,
notify,
notifyContent.getContent(),
notifyContent.getContentTypeHeader(),
childSbb);
} catch (Exception e) {
logger.error("failed to set notify content", e);
}
}
}
}
// ....aayush added code here (with ref issue #567)
notify.addHeader(addPChargingVectorHeader());
// send notify
ClientTransaction clientTransaction =
sipSubscriptionHandler.sbb.getSipProvider().getNewClientTransaction(notify);
dialog.sendRequest(clientTransaction);
if (logger.isDebugEnabled()) {
logger.debug("Request sent:\n" + notify.toString());
}
}
// creates a notify request and fills headers
public Request createNotify(Dialog dialog, Subscription subscription) {
Request notify = null;
try {
notify = dialog.createRequest(Request.NOTIFY);
// add event header
EventHeader eventHeader =
sipSubscriptionHandler
.sbb
.getHeaderFactory()
.createEventHeader(subscription.getKey().getEventPackage());
if (subscription.getKey().getRealEventId() != null)
eventHeader.setEventId(subscription.getKey().getRealEventId());
notify.setHeader(eventHeader);
// add max forwards header
notify.setHeader(
sipSubscriptionHandler
.sbb
.getHeaderFactory()
.createMaxForwardsHeader(
sipSubscriptionHandler.sbb.getConfiguration().getMaxForwards()));
/*
* NOTIFY requests MUST contain a "Subscription-State" header with a
* value of "active", "pending", or "terminated". The "active" value
* indicates that the subscription has been accepted and has been
* authorized (in most cases; see section 5.2.). The "pending" value
* indicates that the subscription has been received, but that
* policy information is insufficient to accept or deny the
* subscription at this time. The "terminated" value indicates that
* the subscription is not active.
*/
SubscriptionStateHeader ssh = null;
if (subscription.getStatus().equals(Subscription.Status.active)
|| subscription.getStatus().equals(Subscription.Status.pending)) {
ssh =
sipSubscriptionHandler
.sbb
.getHeaderFactory()
.createSubscriptionStateHeader(subscription.getStatus().toString());
/*
* If the value of the "Subscription-State" header is "active"
* or "pending", the notifier SHOULD also include in the
* "Subscription- State" header an "expires" parameter which
* indicates the time remaining on the subscription.
*/
ssh.setExpires(subscription.getRemainingExpires());
} else if (subscription.getStatus().equals(Subscription.Status.waiting)
|| subscription.getStatus().equals(Subscription.Status.terminated)) {
ssh =
sipSubscriptionHandler
.sbb
.getHeaderFactory()
.createSubscriptionStateHeader("terminated");
/*
* If the value of the "Subscription-State" header is
* "terminated", the notifier SHOULD also include a "reason"
* parameter.
*/
if (subscription.getLastEvent() != null) {
ssh.setReasonCode(subscription.getLastEvent().toString());
}
}
notify.addHeader(ssh);
// if it's a RLS notify a required header must be present
if (subscription.getResourceList()) {
notify.addHeader(
sipSubscriptionHandler.sbb.getHeaderFactory().createRequireHeader("eventlist"));
}
} catch (Exception e) {
logger.error("unable to fill notify headers", e);
}
return notify;
}
