Need interface for vendor ImsService to know about phone process crash (f7c41bba) · Commits · e / os / android_frameworks_base

telephony/java/android/telephony/ims/ImsService.java

+89 −25

Original line number	Diff line number	Diff line
		@@ -52,6 +52,7 @@ import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.util.HashMap;
		import java.util.Map;
		import java.util.NoSuchElementException;
		import java.util.concurrent.CancellationException;
		import java.util.concurrent.CompletableFuture;
		import java.util.concurrent.CompletionException;
		@@ -188,6 +189,7 @@ public class ImsService extends Service {
		new SparseArray<>();

		private IImsServiceControllerListener mListener;
		private final Object mListenerLock = new Object();
		private Executor mExecutor;

		/**
		@@ -225,7 +227,30 @@ public class ImsService extends Service {
		protected final IBinder mImsServiceController = new IImsServiceController.Stub() {
		@Override
		public void setListener(IImsServiceControllerListener l) {
		synchronized (mListenerLock) {
		if (mListener != null && mListener.asBinder().isBinderAlive()) {
		try {
		mListener.asBinder().unlinkToDeath(mDeathRecipient, 0);
		} catch (NoSuchElementException e) {
		Log.w(LOG_TAG, "IImsServiceControllerListener does not exist");
		}
		}

		mListener = l;
		if (mListener == null) {
		executeMethodAsync(() -> releaseResource(), "releaseResource");
		return;
		}

		try {
		mListener.asBinder().linkToDeath(mDeathRecipient, 0);
		Log.i(LOG_TAG, "setListener: register linkToDeath");
		} catch (RemoteException e) {
		// RemoteException means target binder process was crashed
		// release resource
		executeMethodAsync(() -> releaseResource(), "releaseResource");
		}
		}
		}

		@Override
		@@ -364,28 +389,15 @@ public class ImsService extends Service {
		ImsService.this.disableImsForSubscription(slotId, subId), "disableIms");
		}

		// Call the methods with a clean calling identity on the executor and wait indefinitely for
		// the future to return.
		private void executeMethodAsync(Runnable r, String errorLogName) {
		try {
		CompletableFuture.runAsync(
		() -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
		} catch (CancellationException \| CompletionException e) {
		Log.w(LOG_TAG, "ImsService Binder - " + errorLogName + " exception: "
		+ e.getMessage());
		}
		}

		private <T> T executeMethodAsyncForResult(Supplier<T> r, String errorLogName) {
		CompletableFuture<T> future = CompletableFuture.supplyAsync(
		() -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor);
		try {
		return future.get();
		} catch (ExecutionException \| InterruptedException e) {
		Log.w(LOG_TAG, "ImsService Binder - " + errorLogName + " exception: "
		+ e.getMessage());
		return null;
		}
		};

		private final IBinder.DeathRecipient mDeathRecipient = new IBinder.DeathRecipient() {
		@Override
		public void binderDied() {
		Log.w(LOG_TAG,
		"IImsServiceControllerListener binder to framework has died. Cleaning up");
		executeMethodAsync(() -> releaseResource(), "releaseResource");
		}
		};

		@@ -552,6 +564,54 @@ public class ImsService extends Service {
		return createFlag;
		}

		private void releaseResource() {
		Log.w(LOG_TAG, "cleaning up features");
		synchronized (mFeaturesBySlot) {
		SparseArray<ImsFeature> features;
		ImsFeature imsFeature;

		for (int i = 0; i < mFeaturesBySlot.size(); i++) {
		features = mFeaturesBySlot.valueAt(i);
		if (features == null) {
		continue;
		}

		for (int index = 0; index < features.size(); index++) {
		imsFeature = features.valueAt(index);
		if (imsFeature != null) {
		imsFeature.onFeatureRemoved();
		}
		}
		features.clear();
		}
		mFeaturesBySlot.clear();
		}
		}

		// Call the methods with a clean calling identity on the executor and wait indefinitely for
		// the future to return.
		private void executeMethodAsync(Runnable r, String errorLogName) {
		try {
		CompletableFuture.runAsync(
		() -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
		} catch (CancellationException \| CompletionException e) {
		Log.w(LOG_TAG, "ImsService Binder - " + errorLogName + " exception: "
		+ e.getMessage());
		}
		}

		private <T> T executeMethodAsyncForResult(Supplier<T> r, String errorLogName) {
		CompletableFuture<T> future = CompletableFuture.supplyAsync(
		() -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor);
		try {
		return future.get();
		} catch (ExecutionException \| InterruptedException e) {
		Log.w(LOG_TAG, "ImsService Binder - " + errorLogName + " exception: "
		+ e.getMessage());
		return null;
		}
		}

		/**
		* When called, provide the {@link ImsFeatureConfiguration} that this {@link ImsService}
		* currently supports. This will trigger the framework to set up the {@link ImsFeature}s that
		@@ -574,10 +634,14 @@ public class ImsService extends Service {
		*/
		public final void onUpdateSupportedImsFeatures(ImsFeatureConfiguration c)
		throws RemoteException {
		IImsServiceControllerListener l;
		synchronized (mListenerLock) {
		if (mListener == null) {
		throw new IllegalStateException("Framework is not ready");
		}
		mListener.onUpdateSupportedImsFeatures(c);
		l = mListener;
		}
		l.onUpdateSupportedImsFeatures(c);
		}

		/**