// Update the subscriptions we maintain to agree with the current contact state
void AppearanceGroup::updateSubscriptions()
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions mUri = '%s'",
mSharedUser.data());
// First, scan mSubscriptions to construct a list of all the
// call-id/contact combinations.
// (If a phone reboots and starts registering with a different Call-Id,
// the call-id/contact combination will be different even if the contact
// URI is unchanged. So the new registration will appear to be different
// to this machinery, and it will establish a new Appearance to
// the contact URI. This compensates for the fact that the previous
// Appearance to the contact URI appears to the Appearance Agent to be
// working but the phone no longer knows of the subscription. The
// reg events will eventually terminate the old combination and we
// will delete its Appearance.)
UtlHashBag callid_contacts;
UtlHashMapIterator subs_itor(mSubscriptions);
while (subs_itor())
{
if (Os::Logger::instance().willLog(FAC_SAA, PRI_DEBUG))
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions subscription '%s'",
(dynamic_cast <UtlString*> (subs_itor.key()))->data());
}
UtlHashMap* contact_state =
dynamic_cast <UtlHashMap*> (subs_itor.value());
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions contact_state = %p",
contact_state);
UtlHashMapIterator contact_itor(*contact_state);
while (contact_itor())
{
UtlString* contact =
dynamic_cast <UtlString*> (contact_itor.value());
if (Os::Logger::instance().willLog(FAC_SAA, PRI_DEBUG))
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions contact id '%s', Call-Id/URI '%s'",
(dynamic_cast <UtlString*> (contact_itor.key()))->data(),
contact->data());
}
// Check if the contact is already in callid_contacts.
if (!callid_contacts.find(contact))
{
// If not, add it.
UtlString* c = new UtlString(*contact);
callid_contacts.insert(c);
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions contact '%s' added", c->data());
}
}
}
// Now that we have a clean list of callid_contacts, update
// Appearances to match it.
// If we both terminate subscriptions and create subscriptions,
// wait a short while to allow the terminations to complete. This
// should not be necessary, but it makes life easier on Polycom
// phones which (at this time) cannot support two subscriptions at
// a time, and if the termination of the old subscription arrives
// after the initiation of the new subscription, the new
// subscription will be lost.
// This variable tracks whether such a wait is needed before a
// subscription is started.
bool subscription_ended_but_no_wait_done_yet = false;
// Iterate through the list of Appearances and remove any that aren't
// in callid_contacts.
{
UtlHashMapIterator itor(mAppearances);
UtlString* ss;
while ((ss = dynamic_cast <UtlString*> (itor())))
{
if (!callid_contacts.find(ss))
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions deleting subscription for '%s' in mUri = '%s'",
ss->data(), mSharedUser.data());
// Terminate all dialogs for this Appearance, then publish - before we delete it
bool bContentChanged = false;
SipDialogEvent* lPartialContent = new SipDialogEvent("partial", mSharedUser.data());
Appearance* inst = dynamic_cast <Appearance*> (itor.value());
bContentChanged = inst->terminateDialogs(true); // terminate all dialogs
inst->getDialogs(lPartialContent);
if (bContentChanged)
{
lPartialContent->buildBody();
publish(true, true, lPartialContent);
delete lPartialContent;
}
mAppearances.destroy(ss);
subscription_ended_but_no_wait_done_yet = true;
}
else
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions found subscription for '%s' in mUri = '%s'",
ss->data(), mSharedUser.data());
}
}
}
// Iterate through callid_contacts and add an Appearance for
// any that aren't in mAppearances.
// We don't limit the number of additions here, as the size of
// callid_contacts is guarded by the tests in notifyEventCallback.
{
UtlHashBagIterator itor(callid_contacts);
UtlString* callid_contact;
while ((callid_contact = dynamic_cast <UtlString*> (itor())))
{
if (!mAppearances.find(callid_contact))
{
// If we both terminate subscriptions and create subscriptions,
// wait a short while to allow the terminations to complete.
if (SUBSCRIPTION_WAIT > 0)
{
if (subscription_ended_but_no_wait_done_yet)
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions waiting for %d msec",
SUBSCRIPTION_WAIT);
OsTask::delay(SUBSCRIPTION_WAIT);
subscription_ended_but_no_wait_done_yet = false;
}
}
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions adding subscription for '%s' in mUri = '%s'",
callid_contact->data(), mSharedUser.data());
// Get the contact URI into a UtlString.
UtlString uri(callid_contact->data() +
callid_contact->index(';') +
1);
mAppearances.insertKeyAndValue(new UtlString(*callid_contact),
new Appearance(getAppearanceAgent(), this, uri)
);
}
else
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::updateSubscriptions using existing subscription for '%s' in mUri = '%s'",
callid_contact->data(), mSharedUser.data());
}
}
}
// Free callid_contacts.
callid_contacts.destroyAll();
}
// Destructor
AppearanceGroup::~AppearanceGroup()
{
Os::Logger::instance().log(FAC_SAA, PRI_DEBUG,
"AppearanceGroup::~ this = %p, mSharedUser = '******'",
this, mSharedUser.data());
// Delete this AppearanceGroup from mSubscribeMap (for the "reg" subscription).
getAppearanceAgent()->getAppearanceGroupSet().deleteSubscribeMapping(&mSubscriptionEarlyDialogHandle);
// End the "reg" subscription.
UtlBoolean ret;
ret = getAppearanceAgent()->getSubscribeClient().
endSubscriptionGroup(mSubscriptionEarlyDialogHandle);
Os::Logger::instance().log(FAC_SAA,
ret ? PRI_INFO : PRI_WARNING,
"AppearanceGroup::~ endSubscriptionGroup %s mSharedUser = '******', mSubscriptionEarlyDialogHandle = '%s'",
ret ? "succeeded" : "failed",
mSharedUser.data(),
mSubscriptionEarlyDialogHandle.data());
// Remove this AppearanceGroup from mNotifyMap for all subscriptions.
{
UtlHashMapIterator itor(mSubscriptions);
UtlString* handle;
while ((handle = dynamic_cast <UtlString*> (itor())))
{
getAppearanceAgent()->getAppearanceGroupSet().deleteNotifyMapping(handle);
}
}
// Delete the contents of mSubscriptions.
mSubscriptions.destroyAll();
// Terminate all dialogs for this shared Appearance Group, then publish
bool bContentChanged = false;
SipDialogEvent* lPartialContent = new SipDialogEvent("partial", mSharedUser.data());
{
UtlHashMapIterator itor(mAppearances);
UtlString* handle;
while ( (handle = dynamic_cast <UtlString*> (itor())) )
{
Appearance* pApp = dynamic_cast <Appearance*> (itor.value());
bContentChanged |= pApp->terminateDialogs(true); // terminate all dialogs
pApp->getDialogs(lPartialContent);
}
}
if (bContentChanged)
{
lPartialContent->buildBody();
publish(true, true, lPartialContent);
}
delete lPartialContent;
// Delete the subordinate Appearance's for the contacts.
{
// Have to use a loop to remove items individually, because
// destroyAll() deadlocks with the access to mAppearances
// during the the attempt to publish new status for the resource
// as the Appearances are recursively deleted.
int changeDelay = getAppearanceAgent()->getChangeDelay();
UtlHashMapIterator itor(mAppearances);
UtlContainable* k;
while ((k = itor()))
{
UtlContainable* v = itor.value();
mAppearances.removeReference(k);
delete k;
delete v;
// Delay to allow the consequent processing to catch up.
OsTask::delay(changeDelay);
}
}
}
