void ProviderTestBasic::EchoString(IDvInvocation& aInvocation, const Brx& aValue, IDvInvocationResponseString& aResult)
{
aInvocation.StartResponse();
aResult.Write(aValue);
aResult.WriteFlush();
aInvocation.EndResponse();
}
void ProviderTestBasic::GetString(IDvInvocation& aInvocation, IDvInvocationResponseString& aValueStr)
{
aInvocation.StartResponse();
Brhz val;
GetPropertyVarStr(val);
aValueStr.Write(val);
aValueStr.WriteFlush();
aInvocation.EndResponse();
}
void ProviderTestBasic::EchoString(IDvInvocation& aInvocation, const Brx& aValue, IDvInvocationResponseString& aResult)
{
aInvocation.StartResponse();
// validate that string response can be streamed over multiple calls
Brn start(aValue);
const TUint pos = start.Bytes() / 2;
Brn end = start.Split(pos);
start.Set(start.Ptr(), pos);
aResult.Write(start);
aResult.Write(end);
aResult.WriteFlush();
aInvocation.EndResponse();
}
void DviProviderSubscriptionLongPoll::GetPropertyUpdates(IDvInvocation& aInvocation, const Brx& aClientId, IDvInvocationResponseString& aUpdates)
{
StartGetPropertyUpdates(aInvocation);
AutoGetPropertyUpdatesComplete a(*this);
Semaphore sem("PSLP", 0);
UpdateReadySignal* updateReadySignal = NULL;
Brh response;
try {
iPropertyUpdateCollection.SetClientSignal(aClientId, &sem);
iLock.Wait();
for (TUint i=0; i<iMaxClientCount; i++) {
if (iUpdateReady[i].IsFree()) {
updateReadySignal = &iUpdateReady[i];
updateReadySignal->Set(sem);
break;
}
}
ASSERT(updateReadySignal != NULL);
iLock.Signal();
sem.Wait(kGetUpdatesMaxDelay);
iPropertyUpdateCollection.SetClientSignal(aClientId, NULL);
if (!iExit) {
WriterBwh writer(1024);
iPropertyUpdateCollection.WriteUpdates(aClientId, writer);
writer.TransferTo(response);
}
}
catch (Timeout&) {
iPropertyUpdateCollection.SetClientSignal(aClientId, NULL);
}
iLock.Wait();
updateReadySignal->Clear();
iLock.Signal();
aInvocation.StartResponse();
if (response.Bytes() > 0) {
aUpdates.Write(response);
}
aUpdates.WriteFlush();
aInvocation.EndResponse();
}
void DviProviderSubscriptionLongPoll::Subscribe(IDvInvocation& aInvocation, const Brx& aClientId, const Brx& aUdn, const Brx& aService, TUint aRequestedDuration,
IDvInvocationResponseString& aSid, IDvInvocationResponseUint& aDuration)
{
if (aRequestedDuration > kTimeoutLongPollSecs) {
aRequestedDuration = kTimeoutLongPollSecs;
}
DviDevice* device = iDvStack.DeviceMap().Find(aUdn);
if (device == NULL) {
aInvocation.Error(kErrorCodeBadDevice, kErrorDescBadDevice);
}
DviService* service = NULL;
const TUint serviceCount = device->ServiceCount();
for (TUint i=0; i<serviceCount; i++) {
DviService* s = &device->Service(i);
if (s->ServiceType().PathUpnp() == aService) {
service = s;
break;
}
}
if (service == NULL) {
aInvocation.Error(kErrorCodeBadService, kErrorDescBadService);
}
Brh sid;
device->CreateSid(sid);
TUint timeout = aRequestedDuration;
DviSubscription* subscription = new DviSubscription(iDvStack, *device, iPropertyUpdateCollection, NULL, sid, timeout);
aInvocation.StartResponse();
aSid.Write(subscription->Sid());
aSid.WriteFlush();
aDuration.Write(timeout);
aInvocation.EndResponse();
// Start subscription, prompting availability of the first update (covering all state variables)
iPropertyUpdateCollection.AddSubscription(aClientId, subscription);
iDvStack.SubscriptionManager().AddSubscription(*subscription);
service->AddSubscription(subscription);
}
