TBool CpiDeviceListUpnp::Update(const Brx& aUdn, const Brx& aLocation, TUint aMaxAge)
{
if (!IsLocationReachable(aLocation)) {
return false;
}
iLock.Wait();
CpiDevice* device = RefDeviceLocked(aUdn);
if (device != NULL) {
CpiDeviceUpnp* deviceUpnp = reinterpret_cast<CpiDeviceUpnp*>(device->OwnerData());
if (deviceUpnp->Location() != aLocation) {
/* Device appears to have moved to a new location.
Ask it to check whether the old location is still contactable. If it is,
stick with the older location; if it isn't, remove the old device and add
a new one. */
iLock.Signal();
CpiDeviceUpnp* newDevice = new CpiDeviceUpnp(iCpStack, aUdn, aLocation, aMaxAge, *this, *this);
deviceUpnp->CheckStillAvailable(newDevice);
device->RemoveRef();
return true;
}
deviceUpnp->UpdateMaxAge(aMaxAge);
iLock.Signal();
device->RemoveRef();
return !iRefreshing;
}
iLock.Signal();
return false;
}
void CpiDeviceUpnp::CheckStillAvailable(CpiDeviceUpnp* aNewLocation)
{
iLock.Wait();
if (iNewLocation != NULL) {
if (iNewLocation->Location() == aNewLocation->Location()) {
iLock.Signal();
aNewLocation->iDevice->RemoveRef();
return;
}
CpiDevice* d = iNewLocation->iDevice;
iNewLocation = aNewLocation;
iLock.Signal();
d->RemoveRef();
return;
}
iNewLocation = aNewLocation;
XmlFetchManager& xmlFetchManager = iDevice->GetCpStack().XmlFetchManager();
ASSERT(iXmlCheck == NULL);
iXmlCheck = xmlFetchManager.Fetch();
Uri* uri = new Uri(iLocation);
iDevice->AddRef();
FunctorAsync functor = MakeFunctorAsync(*this, &CpiDeviceUpnp::XmlCheckCompleted);
iXmlCheck->CheckContactable(uri, functor);
xmlFetchManager.Fetch(iXmlCheck);
iLock.Signal();
}
TBool CpiDeviceListUpnp::Update(const Brx& aUdn, TUint aMaxAge)
{
AutoMutex a(iLock);
CpiDevice* device = RefDeviceLocked(aUdn);
if (device != NULL) {
reinterpret_cast<CpiDeviceUpnp*>(device->OwnerData())->UpdateMaxAge(aMaxAge);
device->RemoveRef();
return !iRefreshing;
}
return false;
}
TBool CpiDeviceListUpnp::Update(const Brx& aUdn, const Brx& aLocation, TUint aMaxAge)
{
if (!IsLocationReachable(aLocation)) {
return false;
}
iLock.Wait();
iCpStack.Env().Mutex().Wait();
if (iRefreshing && iPendingRefreshCount > 1) {
// we need at most one final msearch once a network card starts working following an adapter change
iPendingRefreshCount = 1;
}
iCpStack.Env().Mutex().Signal();
CpiDevice* device = RefDeviceLocked(aUdn);
if (device != NULL) {
CpiDeviceUpnp* deviceUpnp = reinterpret_cast<CpiDeviceUpnp*>(device->OwnerData());
if (deviceUpnp->Location() != aLocation) {
// device appears to have moved to a new location.
// Remove the old record, leaving the caller to add the new one.
iLock.Signal();
Remove(aUdn);
device->RemoveRef();
return false;
}
deviceUpnp->UpdateMaxAge(aMaxAge);
device->RemoveRef();
iLock.Signal();
LOG(kTrace, "Device alive {udn{");
LOG(kTrace, aUdn);
LOG(kTrace, "}, location{");
LOG(kTrace, aLocation);
LOG(kTrace, "}}\n");
return !iRefreshing;
}
iLock.Signal();
return false;
}