Merge "Complete shareFrontend API implementation in TunerResourceManagerService" am: 0da9856837 (392425bb) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/tv/tunerresourcemanager/ClientProfile.java

+32 −9

Original line number	Diff line number	Diff line
		@@ -67,6 +67,11 @@ public final class ClientProfile {
		*/
		private Set<Integer> mUsingFrontendIds = new HashSet<>();

		/**
		* List of the client ids that share frontend with the current client.
		*/
		private Set<Integer> mShareFeClientIds = new HashSet<>();

		/**
		* List of the Lnb ids that are used by the current client.
		*/
		@@ -113,11 +118,7 @@ public final class ClientProfile {
		}

		public int getPriority() {
		return mPriority;
		}

		public int getNiceValue() {
		return mNiceValue;
		return mPriority - mNiceValue;
		}

		public void setGroupId(int groupId) {
		@@ -141,17 +142,38 @@ public final class ClientProfile {
		mUsingFrontendIds.add(frontendId);
		}

		/**
		* Update the set of client that share frontend with the current client.
		*
		* @param clientId the client to share the fe with the current client.
		*/
		public void shareFrontend(int clientId) {
		mShareFeClientIds.add(clientId);
		}

		/**
		* Remove the given client id from the share frontend client id set.
		*
		* @param clientId the client to stop sharing the fe with the current client.
		*/
		public void stopSharingFrontend(int clientId) {
		mShareFeClientIds.remove(clientId);
		}

		public Set<Integer> getInUseFrontendIds() {
		return mUsingFrontendIds;
		}

		public Set<Integer> getShareFeClientIds() {
		return mShareFeClientIds;
		}

		/**
		* Called when the client released a frontend.
		*
		* @param frontendId being released.
		*/
		public void releaseFrontend(int frontendId) {
		mUsingFrontendIds.remove(frontendId);
		public void releaseFrontend() {
		mUsingFrontendIds.clear();
		mShareFeClientIds.clear();
		}

		/**
		@@ -201,6 +223,7 @@ public final class ClientProfile {
		*/
		public void reclaimAllResources() {
		mUsingFrontendIds.clear();
		mShareFeClientIds.clear();
		mUsingLnbIds.clear();
		mUsingCasSystemId = INVALID_RESOURCE_ID;
		}

services/core/java/com/android/server/tv/tunerresourcemanager/TunerResourceManagerService.java

+82 −25

Original line number	Diff line number	Diff line
		@@ -213,16 +213,33 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		throw new RemoteException("Request frontend from unregistered client: "
		+ request.getClientId());
		}
		// If the request client is holding or sharing a frontend, throw an exception.
		if (!getClientProfile(request.getClientId()).getInUseFrontendIds().isEmpty()) {
		throw new RemoteException("Release frontend before requesting another one. "
		+ "Client id: " + request.getClientId());
		}
		return requestFrontendInternal(request, frontendHandle);
		}
		}

		@Override
		public void shareFrontend(int selfClientId, int targetClientId) {
		public void shareFrontend(int selfClientId, int targetClientId) throws RemoteException {
		enforceTunerAccessPermission("shareFrontend");
		enforceTrmAccessPermission("shareFrontend");
		if (DEBUG) {
		Slog.d(TAG, "shareFrontend from " + selfClientId + " with " + targetClientId);
		synchronized (mLock) {
		if (!checkClientExists(selfClientId)) {
		throw new RemoteException("Share frontend request from an unregistered client:"
		+ selfClientId);
		}
		if (!checkClientExists(targetClientId)) {
		throw new RemoteException("Request to share frontend with an unregistered "
		+ "client:" + targetClientId);
		}
		if (getClientProfile(targetClientId).getInUseFrontendIds().isEmpty()) {
		throw new RemoteException("Request to share frontend with a client that has no "
		+ "frontend resources. Target client id:" + targetClientId);
		}
		shareFrontendInternal(selfClientId, targetClientId);
		}
		}

		@@ -315,7 +332,7 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		throw new RemoteException(
		"Client is not the current owner of the releasing fe.");
		}
		releaseFrontendInternal(fe);
		releaseFrontendInternal(fe, clientId);
		}
		}

		@@ -648,6 +665,17 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		return false;
		}

		@VisibleForTesting
		protected void shareFrontendInternal(int selfClientId, int targetClientId) {
		if (DEBUG) {
		Slog.d(TAG, "shareFrontend from " + selfClientId + " with " + targetClientId);
		}
		for (int feId : getClientProfile(targetClientId).getInUseFrontendIds()) {
		getClientProfile(selfClientId).useFrontend(feId);
		}
		getClientProfile(targetClientId).shareFrontend(selfClientId);
		}

		@VisibleForTesting
		protected boolean requestLnbInternal(TunerLnbRequest request, int[] lnbHandle) {
		if (DEBUG) {
		@@ -777,11 +805,17 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		}

		@VisibleForTesting
		protected void releaseFrontendInternal(FrontendResource fe) {
		protected void releaseFrontendInternal(FrontendResource fe, int clientId) {
		if (DEBUG) {
		Slog.d(TAG, "releaseFrontend(id=" + fe.getId() + ")");
		Slog.d(TAG, "releaseFrontend(id=" + fe.getId() + ", clientId=" + clientId + " )");
		}
		if (clientId == fe.getOwnerClientId()) {
		ClientProfile ownerClient = getClientProfile(fe.getOwnerClientId());
		for (int shareOwnerId : ownerClient.getShareFeClientIds()) {
		clearFrontendAndClientMapping(getClientProfile(shareOwnerId));
		}
		updateFrontendClientMappingOnRelease(fe);
		}
		clearFrontendAndClientMapping(getClientProfile(clientId));
		}

		@VisibleForTesting
		@@ -882,8 +916,21 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		Slog.e(TAG, "Failed to reclaim resources on client " + reclaimingClientId, e);
		return false;
		}

		// Reclaim all the resources of the share owners of the frontend that is used by the current
		// resource reclaimed client.
		ClientProfile profile = getClientProfile(reclaimingClientId);
		reclaimingResourcesFromClient(profile);
		Set<Integer> shareFeClientIds = profile.getShareFeClientIds();
		for (int clientId : shareFeClientIds) {
		try {
		mListeners.get(clientId).getListener().onReclaimResources();
		} catch (RemoteException e) {
		Slog.e(TAG, "Failed to reclaim resources on client " + clientId, e);
		return false;
		}
		clearAllResourcesAndClientMapping(getClientProfile(clientId));
		}
		clearAllResourcesAndClientMapping(profile);
		return true;
		}

		@@ -929,16 +976,6 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		}
		}

		private void updateFrontendClientMappingOnRelease(@NonNull FrontendResource releasingFrontend) {
		ClientProfile ownerProfile = getClientProfile(releasingFrontend.getOwnerClientId());
		releasingFrontend.removeOwner();
		ownerProfile.releaseFrontend(releasingFrontend.getId());
		for (int exclusiveGroupMember : releasingFrontend.getExclusiveGroupMemberFeIds()) {
		getFrontendResource(exclusiveGroupMember).removeOwner();
		ownerProfile.releaseFrontend(exclusiveGroupMember);
		}
		}

		private void updateLnbClientMappingOnNewGrant(int grantingId, int ownerClientId) {
		LnbResource grantingLnb = getLnbResource(grantingId);
		ClientProfile ownerProfile = getClientProfile(ownerClientId);
		@@ -967,10 +1004,10 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		}

		/**
		* Get the owner client's priority from the resource id.
		* Get the owner client's priority.
		*
		* @param clientId the owner client id.
		* @return the priority of the owner client of the resource.
		* @return the priority of the owner client.
		*/
		private int getOwnerClientPriority(int clientId) {
		return getClientProfile(clientId).getPriority();
		@@ -1011,7 +1048,11 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		return;
		}
		if (fe.isInUse()) {
		releaseFrontendInternal(fe);
		ClientProfile ownerClient = getClientProfile(fe.getOwnerClientId());
		for (int shareOwnerId : ownerClient.getShareFeClientIds()) {
		clearFrontendAndClientMapping(getClientProfile(shareOwnerId));
		}
		clearFrontendAndClientMapping(ownerClient);
		}
		for (int excGroupmemberFeId : fe.getExclusiveGroupMemberFeIds()) {
		getFrontendResource(excGroupmemberFeId)
		@@ -1093,21 +1134,37 @@ public class TunerResourceManagerService extends SystemService implements IBinde
		}

		private void removeClientProfile(int clientId) {
		reclaimingResourcesFromClient(getClientProfile(clientId));
		for (int shareOwnerId : getClientProfile(clientId).getShareFeClientIds()) {
		clearFrontendAndClientMapping(getClientProfile(shareOwnerId));
		}
		clearAllResourcesAndClientMapping(getClientProfile(clientId));
		mClientProfiles.remove(clientId);
		mListeners.remove(clientId);
		}

		private void reclaimingResourcesFromClient(ClientProfile profile) {
		private void clearFrontendAndClientMapping(ClientProfile profile) {
		for (Integer feId : profile.getInUseFrontendIds()) {
		getFrontendResource(feId).removeOwner();
		FrontendResource fe = getFrontendResource(feId);
		if (fe.getOwnerClientId() == profile.getId()) {
		fe.removeOwner();
		continue;
		}
		getClientProfile(fe.getOwnerClientId()).stopSharingFrontend(profile.getId());
		}
		profile.releaseFrontend();
		}

		private void clearAllResourcesAndClientMapping(ClientProfile profile) {
		// Clear Lnb
		for (Integer lnbId : profile.getInUseLnbIds()) {
		getLnbResource(lnbId).removeOwner();
		}
		// Clear Cas
		if (profile.getInUseCasSystemId() != ClientProfile.INVALID_RESOURCE_ID) {
		getCasResource(profile.getInUseCasSystemId()).removeOwner(profile.getId());
		}
		// Clear Frontend
		clearFrontendAndClientMapping(profile);
		profile.reclaimAllResources();
		}

services/tests/servicestests/src/com/android/server/tv/tunerresourcemanager/TunerResourceManagerServiceTest.java

+296 −7

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