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, 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;
}
CpDeviceCpp::CpDeviceCpp(CpiDevice& aDevice)
: iDevice(aDevice)
, iUdn((const char*)aDevice.Udn().Ptr(), aDevice.Udn().Bytes())
, iRefCount(1)
{
iDevice.AddRef();
}
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;
}
CpiService::CpiService(const TChar* aDomain, const TChar* aName, TUint aVersion, CpiDevice& aDevice)
: Service(aDevice.GetCpStack().Env(), aDomain, aName, aDevice.Version(aDomain, aName, aVersion))
, iDevice(aDevice)
, iLock("SRVM")
, iPendingInvocations(0)
, iShutdownSignal("SRVS", 0)
, iInterrupt(false)
, iSubscription(NULL)
{
iDevice.AddRef();
iDevice.GetCpStack().Env().AddObject(this);
if (aVersion != iServiceType.Version()) {
const Brx& serviceName = iServiceType.FullName();
const Brx& udn = iDevice.Udn();
LOG(kService, "CpiService: addr=%p, serviceType=%.*s, device=%.*s, proxy: v%u, device: v%u\n",
this, PBUF(serviceName), PBUF(udn), aVersion, iServiceType.Version());
}
}
void CpDeviceList::Removed(CpiDevice& aDevice)
{
Brn udn(aDevice.Udn());
Map::iterator it = iMap.find(udn);
if (it != iMap.end()) {
CpDevice* device = it->second;
iRemoved(*device);
device->RemoveRef();
iMap.erase(it);
}
}
CpiService::CpiService(const TChar* aDomain, const TChar* aName, TUint aVersion, CpiDevice& aDevice)
: Service(aDevice.GetCpStack().Env(), aDomain, aName, aVersion)
, iDevice(aDevice)
, iLock("SRVM")
, iPendingInvocations(0)
, iShutdownSignal("SRVS", 0)
, iInterrupt(false)
, iSubscription(NULL)
{
iDevice.AddRef();
iDevice.GetCpStack().Env().AddObject(this);
}
CpiDeviceListUpnp::~CpiDeviceListUpnp()
{
TUint xmlWaitCount = 0;
iLock.Wait();
iActive = false;
iLock.Signal();
Stack::NetworkInterfaceList().RemoveCurrentChangeListener(iInterfaceChangeListenerId);
Stack::NetworkInterfaceList().RemoveSubnetChangeListener(iSubnetChangeListenerId);
if (iMulticastListener != NULL) {
iMulticastListener->RemoveNotifyHandler(iNotifyHandlerId);
Stack::MulticastListenerRelease(iInterface);
}
delete iUnicastListener;
iXmlFetchLock.Wait();
iLock.Wait();
Map::iterator it = iMap.begin();
while (it != iMap.end()) {
CpiDevice* device = reinterpret_cast<CpiDevice*>(it->second);
if (!device->IsReady()) {
reinterpret_cast<CpiDeviceUpnp*>(device->OwnerData())->InterruptXmlFetch();
xmlWaitCount++;
}
it++;
}
iXmlFetchSem.Clear();
iLock.Signal();
iXmlFetchLock.Signal();
while (xmlWaitCount > 0) {
iXmlFetchSem.Wait();
xmlWaitCount--;
}
iXmlFetchLock.Wait();
// XmlFetchCompleted will signal iXmlFetchSem.
// Ensure it gets to exit before we complete the dtor and delete iXmlFetchLock which it holds
iXmlFetchLock.Signal();
delete iRefreshTimer;
}
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;
}
CpiSubscription::CpiSubscription(CpiDevice& aDevice, IEventProcessor& aEventProcessor, const OpenHome::Net::ServiceType& aServiceType)
: iLock("SUBM")
, iSubscriberLock("SBM2")
, iDevice(aDevice)
, iEventProcessor(&aEventProcessor)
, iServiceType(aServiceType)
, iPendingOperation(eNone)
, iRefCount(1)
, iInterruptHandler(NULL)
{
iTimer = new Timer(aDevice.GetCpStack().Env(), MakeFunctor(*this, &CpiSubscription::Renew));
iDevice.AddRef();
iRejectFutureOperations = false;
Schedule(eSubscribe);
iDevice.GetCpStack().Env().AddObject(this);
}
TBool CpiDeviceListUpnp::IsDeviceReady(CpiDevice& aDevice)
{
reinterpret_cast<CpiDeviceUpnp*>(aDevice.OwnerData())->FetchXml();
return false;
}