/**
* Helper function that loads a given platform service module if it isn't already loaded
*
* @param SubsystemName Name of the requested platform service to load
* @return The module interface of the requested platform service, NULL if the service doesn't exist
*/
static TSharedPtr<IModuleInterface> LoadSubsystemModule(const FString& SubsystemName)
{
#if !UE_BUILD_SHIPPING && !UE_BUILD_SHIPPING_WITH_EDITOR
// Early out if we are overriding the module load
bool bAttemptLoadModule = !FParse::Param(FCommandLine::Get(), *FString::Printf(TEXT("no%s"), *SubsystemName));
if (bAttemptLoadModule)
#endif
{
FName ModuleName;
FModuleManager& ModuleManager = FModuleManager::Get();
ModuleName = GetOnlineModuleName(SubsystemName);
if (!ModuleManager.IsModuleLoaded(ModuleName))
{
// Attempt to load the module
ModuleManager.LoadModule(ModuleName);
}
if (ModuleManager.IsModuleLoaded(ModuleName))
{
// Now return the module itself
return ModuleManager.GetModuleInterfaceRef(ModuleName);
}
}
return NULL;
}
bool FOnlineSubsystemModule::IsOnlineSubsystemLoaded(const FName InSubsystemName) const
{
bool bIsLoaded = false;
FName SubsystemName, InstanceName;
ParseOnlineSubsystemName(InSubsystemName, SubsystemName, InstanceName);
if (SubsystemName != NAME_None)
{
if (FModuleManager::Get().IsModuleLoaded(GetOnlineModuleName(SubsystemName.ToString())))
{
bIsLoaded = true;
}
}
return bIsLoaded;
}
/**
* Unload and cleanup all registered online subsystems
*/
void FOnlineSubsystemModule::ShutdownOnlineSubsystem()
{
FModuleManager& ModuleManager = FModuleManager::Get();
// Unload all the supporting factories
for (TMap<FName, IOnlineSubsystem*>::TIterator It(PlatformServices); It; ++It)
{
UE_LOG(LogOnline, Display, TEXT("Unloading online subsystem: %s"), *It.Key().ToString());
// Unloading the module will do proper cleanup
FName ModuleName = GetOnlineModuleName(It.Key().ToString());
const bool bIsShutdown = true;
ModuleManager.UnloadModule(ModuleName, bIsShutdown);
}
//ensure(PlatformServices.Num() == 0);
}
/**
* Determine if a subsystem is loaded by the OSS module
*
* @param SubsystemName - name of subsystem as referenced by consumers
* @return true if module for the subsystem is loaded
*/
bool FOnlineSubsystemModule::IsOnlineSubsystemLoaded(const FName InSubsystemName) const
{
bool bIsLoaded = false;
FName SubsystemName = InSubsystemName;
if (SubsystemName == NAME_None)
{
SubsystemName = DefaultPlatformService;
}
if (SubsystemName != NAME_None)
{
if (FModuleManager::Get().IsModuleLoaded(GetOnlineModuleName(SubsystemName.ToString())))
{
bIsLoaded = true;
}
}
return bIsLoaded;
}
