Merge "(ImsService API changes for Better IMS Threading) ImsService to execute binder calls in Executor." am: 984a31a9fb

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1958681

Change-Id: I341279de701c64c9a769d11ede6ba8f22d05b350

core/api/system-current.txt

@@ -12926,6 +12926,7 @@ package android.telephony.ims {
     method public void disableIms(int);
     method public void enableIms(int);
     method public android.telephony.ims.stub.ImsConfigImplBase getConfig(int);
+    method @NonNull public java.util.concurrent.Executor getExecutor();
     method public long getImsServiceCapabilities();
     method public android.telephony.ims.stub.ImsRegistrationImplBase getRegistration(int);
     method @Nullable public android.telephony.ims.stub.SipTransportImplBase getSipTransport(int);
@@ -13546,6 +13547,7 @@ package android.telephony.ims.feature {
 
   public class MmTelFeature extends android.telephony.ims.feature.ImsFeature {
     ctor public MmTelFeature();
+    ctor public MmTelFeature(@NonNull java.util.concurrent.Executor);
     method public void changeEnabledCapabilities(@NonNull android.telephony.ims.feature.CapabilityChangeRequest, @NonNull android.telephony.ims.feature.ImsFeature.CapabilityCallbackProxy);
     method public void changeOfferedRtpHeaderExtensionTypes(@NonNull java.util.Set<android.telephony.ims.RtpHeaderExtensionType>);
     method @Nullable public android.telephony.ims.ImsCallProfile createCallProfile(int, int);
@@ -13579,7 +13581,7 @@ package android.telephony.ims.feature {
   }
 
   public class RcsFeature extends android.telephony.ims.feature.ImsFeature {
-    ctor @Deprecated public RcsFeature();
+    ctor public RcsFeature();
     ctor public RcsFeature(@NonNull java.util.concurrent.Executor);
     method public void changeEnabledCapabilities(@NonNull android.telephony.ims.feature.CapabilityChangeRequest, @NonNull android.telephony.ims.feature.ImsFeature.CapabilityCallbackProxy);
     method @NonNull public android.telephony.ims.stub.RcsCapabilityExchangeImplBase createCapabilityExchangeImpl(@NonNull android.telephony.ims.stub.CapabilityExchangeEventListener);
@@ -13684,6 +13686,7 @@ package android.telephony.ims.stub {
   }
 
   public class ImsConfigImplBase {
+    ctor public ImsConfigImplBase(@NonNull java.util.concurrent.Executor);
     ctor public ImsConfigImplBase();
     method public int getConfigInt(int);
     method public String getConfigString(int);
@@ -13736,6 +13739,7 @@ package android.telephony.ims.stub {
 
   public class ImsRegistrationImplBase {
     ctor public ImsRegistrationImplBase();
+    ctor public ImsRegistrationImplBase(@NonNull java.util.concurrent.Executor);
     method public final void onDeregistered(android.telephony.ims.ImsReasonInfo);
     method public final void onRegistered(int);
     method public final void onRegistered(@NonNull android.telephony.ims.ImsRegistrationAttributes);
@@ -13848,6 +13852,7 @@ package android.telephony.ims.stub {
   }
 
   public class SipTransportImplBase {
+    ctor public SipTransportImplBase();
     ctor public SipTransportImplBase(@NonNull java.util.concurrent.Executor);
     method public void createSipDelegate(int, @NonNull android.telephony.ims.DelegateRequest, @NonNull android.telephony.ims.DelegateStateCallback, @NonNull android.telephony.ims.DelegateMessageCallback);
     method public void destroySipDelegate(@NonNull android.telephony.ims.stub.SipDelegate, int);

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

@@ -17,6 +17,7 @@
 package android.telephony.ims;
 
 import android.annotation.LongDef;
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.annotation.SuppressLint;
 import android.annotation.SystemApi;
@@ -44,11 +45,18 @@ import android.util.SparseArray;
 
 import com.android.ims.internal.IImsFeatureStatusCallback;
 import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.telephony.util.TelephonyUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.function.Supplier;
 
 /**
  * Main ImsService implementation, which binds via the Telephony ImsResolver. Services that extend
@@ -173,7 +181,21 @@ public class ImsService extends Service {
     private final SparseArray<SparseArray<ImsFeature>> mFeaturesBySlot = new SparseArray<>();
 
     private IImsServiceControllerListener mListener;
+    private Executor mExecutor;
 
+    /**
+     * Create a new ImsService.
+     * <p>
+     * Method stubs called from the framework will be called asynchronously. Vendor specifies the
+     * {@link Executor} that the methods stubs will be called. If mExecutor is set to null by
+     * vendor use Runnable::run.
+     */
+    public ImsService() {
+        mExecutor = ImsService.this.getExecutor();
+        if (mExecutor == null) {
+            mExecutor = Runnable::run;
+        }
+    }
 
     /**
      * Listener that notifies the framework of ImsService changes.
@@ -201,78 +223,132 @@ public class ImsService extends Service {
 
         @Override
         public IImsMmTelFeature createMmTelFeature(int slotId) {
-            return createMmTelFeatureInternal(slotId);
+            return executeMethodAsyncForResult(() -> createMmTelFeatureInternal(slotId),
+                "createMmTelFeature");
         }
 
         @Override
         public IImsRcsFeature createRcsFeature(int slotId) {
-            return createRcsFeatureInternal(slotId);
+            return executeMethodAsyncForResult(() -> createRcsFeatureInternal(slotId),
+                "createRcsFeature");
         }
 
         @Override
         public void addFeatureStatusCallback(int slotId, int featureType,
                 IImsFeatureStatusCallback c) {
-            ImsService.this.addImsFeatureStatusCallback(slotId, featureType, c);
+            executeMethodAsync(() -> ImsService.this.addImsFeatureStatusCallback(
+                    slotId, featureType, c), "addFeatureStatusCallback");
         }
 
         @Override
         public void removeFeatureStatusCallback(int slotId, int featureType,
                 IImsFeatureStatusCallback c) {
-            ImsService.this.removeImsFeatureStatusCallback(slotId, featureType, c);
+            executeMethodAsync(() -> ImsService.this.removeImsFeatureStatusCallback(
+                    slotId, featureType, c), "removeFeatureStatusCallback");
         }
 
         @Override
         public void removeImsFeature(int slotId, int featureType) {
-            ImsService.this.removeImsFeature(slotId, featureType);
+            executeMethodAsync(() -> ImsService.this.removeImsFeature(slotId, featureType),
+                    "removeImsFeature");
         }
 
         @Override
         public ImsFeatureConfiguration querySupportedImsFeatures() {
-            return ImsService.this.querySupportedImsFeatures();
+            return executeMethodAsyncForResult(() -> ImsService.this.querySupportedImsFeatures(),
+                    "ImsFeatureConfiguration");
         }
 
         @Override
         public long getImsServiceCapabilities() {
-            long caps = ImsService.this.getImsServiceCapabilities();
+            return executeMethodAsyncForResult(() -> {
-            long sanitizedCaps = sanitizeCapabilities(caps);
+                long caps = ImsService.this.getImsServiceCapabilities();
-            if (caps != sanitizedCaps) {
+                long sanitizedCaps = sanitizeCapabilities(caps);
-                Log.w(LOG_TAG, "removing invalid bits from field: 0x"
+                if (caps != sanitizedCaps) {
-                        + Long.toHexString(caps ^ sanitizedCaps));
+                    Log.w(LOG_TAG, "removing invalid bits from field: 0x"
-            }
+                            + Long.toHexString(caps ^ sanitizedCaps));
-            return sanitizedCaps;
+                }
+                return sanitizedCaps;
+            }, "getImsServiceCapabilities");
         }
 
         @Override
         public void notifyImsServiceReadyForFeatureCreation() {
-            ImsService.this.readyForFeatureCreation();
+            executeMethodAsync(() -> ImsService.this.readyForFeatureCreation(),
+                    "notifyImsServiceReadyForFeatureCreation");
         }
 
         @Override
         public IImsConfig getConfig(int slotId) {
-            ImsConfigImplBase c = ImsService.this.getConfig(slotId);
+            return executeMethodAsyncForResult(() -> {
-            return c != null ? c.getIImsConfig() : null;
+                ImsConfigImplBase c = ImsService.this.getConfig(slotId);
+                if (c != null) {
+                    c.setDefaultExecutor(mExecutor);
+                    return c.getIImsConfig();
+                } else {
+                    return null;
+                }
+            }, "getConfig");
         }
 
         @Override
         public IImsRegistration getRegistration(int slotId) {
-            ImsRegistrationImplBase r = ImsService.this.getRegistration(slotId);
+            return executeMethodAsyncForResult(() -> {
-            return r != null ? r.getBinder() : null;
+                ImsRegistrationImplBase r =  ImsService.this.getRegistration(slotId);
+                if (r != null) {
+                    r.setDefaultExecutor(mExecutor);
+                    return r.getBinder();
+                } else {
+                    return null;
+                }
+            }, "getRegistration");
         }
 
         @Override
         public ISipTransport getSipTransport(int slotId) {
-            SipTransportImplBase s = ImsService.this.getSipTransport(slotId);
+            return executeMethodAsyncForResult(() -> {
-            return s != null ? s.getBinder() : null;
+                SipTransportImplBase s =  ImsService.this.getSipTransport(slotId);
+                if (s != null) {
+                    s.setDefaultExecutor(mExecutor);
+                    return s.getBinder();
+                } else {
+                    return null;
+                }
+            }, "getSipTransport");
         }
 
         @Override
         public void enableIms(int slotId) {
-            ImsService.this.enableIms(slotId);
+            executeMethodAsync(() -> ImsService.this.enableIms(slotId), "enableIms");
         }
 
         @Override
         public void disableIms(int slotId) {
-            ImsService.this.disableIms(slotId);
+            executeMethodAsync(() -> ImsService.this.disableIms(slotId), "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;
+            }
         }
     };
 
@@ -300,6 +376,7 @@ public class ImsService extends Service {
         MmTelFeature f = createMmTelFeature(slotId);
         if (f != null) {
             setupFeature(f, slotId, ImsFeature.FEATURE_MMTEL);
+            f.setDefaultExecutor(mExecutor);
             return f.getBinder();
         } else {
             Log.e(LOG_TAG, "createMmTelFeatureInternal: null feature returned.");
@@ -310,6 +387,7 @@ public class ImsService extends Service {
     private IImsRcsFeature createRcsFeatureInternal(int slotId) {
         RcsFeature f = createRcsFeature(slotId);
         if (f != null) {
+            f.setDefaultExecutor(mExecutor);
             setupFeature(f, slotId, ImsFeature.FEATURE_RCS);
             return f.getBinder();
         } else {
@@ -562,4 +640,15 @@ public class ImsService extends Service {
         result.append("}");
         return result.toString();
     }
+
+    /**
+     * The ImsService will now be able to define an Executor that the ImsService can be used to
+     * execute the methods. By default all ImsService level method calls will use this Executor.
+     * The ImsService has set the default executor as Runnable::run,
+     * Should be override or default executor will be used.
+     *  @return an Executor used to execute methods called remotely by the framework.
+     */
+    public @NonNull Executor getExecutor() {
+        return Runnable::run;
+    }
 }

telephony/java/android/telephony/ims/feature/MmTelFeature.java

@@ -40,16 +40,25 @@ import android.telephony.ims.stub.ImsRegistrationImplBase;
 import android.telephony.ims.stub.ImsSmsImplBase;
 import android.telephony.ims.stub.ImsUtImplBase;
 import android.util.ArraySet;
+import android.util.Log;
 
 import com.android.ims.internal.IImsCallSession;
 import com.android.ims.internal.IImsEcbm;
 import com.android.ims.internal.IImsMultiEndpoint;
 import com.android.ims.internal.IImsUt;
+import com.android.internal.telephony.util.TelephonyUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.List;
 import java.util.Set;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Supplier;
 
 /**
  * Base implementation for Voice and SMS (IR-92) and Video (IR-94) IMS support.
@@ -60,6 +69,7 @@ import java.util.Set;
 public class MmTelFeature extends ImsFeature {
 
     private static final String LOG_TAG = "MmTelFeature";
+    private Executor mExecutor;
 
     /**
      * @hide
@@ -68,160 +78,261 @@ public class MmTelFeature extends ImsFeature {
     public MmTelFeature() {
     }
 
+    /**
+     * Create a new MmTelFeature using the Executor specified for methods being called by the
+     * framework.
+     * @param executor The executor for the framework to use when executing the methods overridden
+     * by the implementation of MmTelFeature.
+     * @hide
+     */
+    @SystemApi
+    public MmTelFeature(@NonNull Executor executor) {
+        super();
+        mExecutor = executor;
+    }
+
     private final IImsMmTelFeature mImsMMTelBinder = new IImsMmTelFeature.Stub() {
 
         @Override
         public void setListener(IImsMmTelListener l) {
-            MmTelFeature.this.setListener(l);
+            executeMethodAsyncNoException(() -> MmTelFeature.this.setListener(l), "setListener");
         }
 
         @Override
         public int getFeatureState() throws RemoteException {
-            try {
+            return executeMethodAsyncForResult(() -> MmTelFeature.this.getFeatureState(),
-                return MmTelFeature.this.getFeatureState();
+                    "getFeatureState");
-            } catch (Exception e) {
-                throw new RemoteException(e.getMessage());
-            }
         }
 
-
         @Override
         public ImsCallProfile createCallProfile(int callSessionType, int callType)
                 throws RemoteException {
-            synchronized (mLock) {
+            return executeMethodAsyncForResult(() -> MmTelFeature.this.createCallProfile(
-                try {
+                    callSessionType, callType), "createCallProfile");
-                    return MmTelFeature.this.createCallProfile(callSessionType, callType);
-                } catch (Exception e) {
-                    throw new RemoteException(e.getMessage());
-                }
-            }
         }
 
         @Override
         public void changeOfferedRtpHeaderExtensionTypes(List<RtpHeaderExtensionType> types)
                 throws RemoteException {
-            synchronized (mLock) {
+            executeMethodAsync(() -> MmTelFeature.this.changeOfferedRtpHeaderExtensionTypes(
-                try {
+                    new ArraySet<>(types)), "changeOfferedRtpHeaderExtensionTypes");
-                    MmTelFeature.this.changeOfferedRtpHeaderExtensionTypes(new ArraySet<>(types));
-                } catch (Exception e) {
-                    throw new RemoteException(e.getMessage());
-                }
-            }
         }
 
         @Override
         public IImsCallSession createCallSession(ImsCallProfile profile) throws RemoteException {
-            synchronized (mLock) {
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-                return createCallSessionInterface(profile);
+            IImsCallSession result = executeMethodAsyncForResult(() -> {
+                try {
+                    return createCallSessionInterface(profile);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                    return null;
+                }
+            }, "createCallSession");
+
+            if (exceptionRef.get() != null) {
+                throw exceptionRef.get();
             }
+
+            return result;
         }
 
         @Override
         public int shouldProcessCall(String[] numbers) {
-            synchronized (mLock) {
+            Integer result = executeMethodAsyncForResultNoException(() ->
-                return MmTelFeature.this.shouldProcessCall(numbers);
+                    MmTelFeature.this.shouldProcessCall(numbers), "shouldProcessCall");
+            if (result != null) {
+                return result.intValue();
+            } else {
+                return PROCESS_CALL_CSFB;
             }
         }
 
         @Override
         public IImsUt getUtInterface() throws RemoteException {
-            synchronized (mLock) {
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-                return MmTelFeature.this.getUtInterface();
+            IImsUt result = executeMethodAsyncForResult(() -> {
+                try {
+                    return MmTelFeature.this.getUtInterface();
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                    return null;
+                }
+            }, "getUtInterface");
+
+            if (exceptionRef.get() != null) {
+                throw exceptionRef.get();
             }
+
+            return result;
         }
 
         @Override
         public IImsEcbm getEcbmInterface() throws RemoteException {
-            synchronized (mLock) {
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-                return MmTelFeature.this.getEcbmInterface();
+            IImsEcbm result = executeMethodAsyncForResult(() -> {
+                try {
+                    return MmTelFeature.this.getEcbmInterface();
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                    return null;
+                }
+            }, "getEcbmInterface");
+
+            if (exceptionRef.get() != null) {
+                throw exceptionRef.get();
             }
+
+            return result;
         }
 
         @Override
         public void setUiTtyMode(int uiTtyMode, Message onCompleteMessage) throws RemoteException {
-            synchronized (mLock) {
+            executeMethodAsync(() -> MmTelFeature.this.setUiTtyMode(uiTtyMode, onCompleteMessage),
-                try {
+                    "setUiTtyMode");
-                    MmTelFeature.this.setUiTtyMode(uiTtyMode, onCompleteMessage);
-                } catch (Exception e) {
-                    throw new RemoteException(e.getMessage());
-                }
-            }
         }
 
         @Override
         public IImsMultiEndpoint getMultiEndpointInterface() throws RemoteException {
-            synchronized (mLock) {
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-                return MmTelFeature.this.getMultiEndpointInterface();
+            IImsMultiEndpoint result = executeMethodAsyncForResult(() -> {
+                try {
+                    return MmTelFeature.this.getMultiEndpointInterface();
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                    return null;
+                }
+            }, "getMultiEndpointInterface");
+
+            if (exceptionRef.get() != null) {
+                throw exceptionRef.get();
             }
+
+            return result;
         }
 
         @Override
         public int queryCapabilityStatus() {
-            return MmTelFeature.this.queryCapabilityStatus().mCapabilities;
+            Integer result = executeMethodAsyncForResultNoException(() -> MmTelFeature.this
+                    .queryCapabilityStatus().mCapabilities, "queryCapabilityStatus");
+
+            if (result != null) {
+                return result.intValue();
+            } else {
+                return 0;
+            }
         }
 
         @Override
         public void addCapabilityCallback(IImsCapabilityCallback c) {
-            // no need to lock, structure already handles multithreading.
+            executeMethodAsyncNoException(() -> MmTelFeature.this
-            MmTelFeature.this.addCapabilityCallback(c);
+                    .addCapabilityCallback(c), "addCapabilityCallback");
         }
 
         @Override
         public void removeCapabilityCallback(IImsCapabilityCallback c) {
-            // no need to lock, structure already handles multithreading.
+            executeMethodAsyncNoException(() -> MmTelFeature.this
-            MmTelFeature.this.removeCapabilityCallback(c);
+                    .removeCapabilityCallback(c), "removeCapabilityCallback");
         }
 
         @Override
         public void changeCapabilitiesConfiguration(CapabilityChangeRequest request,
                 IImsCapabilityCallback c) {
-            MmTelFeature.this.requestChangeEnabledCapabilities(request, c);
+            executeMethodAsyncNoException(() -> MmTelFeature.this
+                    .requestChangeEnabledCapabilities(request, c),
+                    "changeCapabilitiesConfiguration");
         }
 
         @Override
         public void queryCapabilityConfiguration(int capability, int radioTech,
                 IImsCapabilityCallback c) {
-            queryCapabilityConfigurationInternal(capability, radioTech, c);
+            executeMethodAsyncNoException(() -> queryCapabilityConfigurationInternal(
+                    capability, radioTech, c), "queryCapabilityConfiguration");
         }
 
         @Override
         public void setSmsListener(IImsSmsListener l) {
-            MmTelFeature.this.setSmsListener(l);
+            executeMethodAsyncNoException(() -> MmTelFeature.this.setSmsListener(l),
+                    "setSmsListener");
         }
 
         @Override
         public void sendSms(int token, int messageRef, String format, String smsc, boolean retry,
                 byte[] pdu) {
-            synchronized (mLock) {
+            executeMethodAsyncNoException(() -> MmTelFeature.this
-                MmTelFeature.this.sendSms(token, messageRef, format, smsc, retry, pdu);
+                    .sendSms(token, messageRef, format, smsc, retry, pdu), "sendSms");
-            }
         }
 
         @Override
         public void acknowledgeSms(int token, int messageRef, int result) {
-            synchronized (mLock) {
+            executeMethodAsyncNoException(() -> MmTelFeature.this
-                MmTelFeature.this.acknowledgeSms(token, messageRef, result);
+                    .acknowledgeSms(token, messageRef, result), "acknowledgeSms");
-            }
         }
 
         @Override
         public void acknowledgeSmsReport(int token, int messageRef, int result) {
-            synchronized (mLock) {
+            executeMethodAsyncNoException(() -> MmTelFeature.this
-                MmTelFeature.this.acknowledgeSmsReport(token, messageRef, result);
+                    .acknowledgeSmsReport(token, messageRef, result), "acknowledgeSmsReport");
-            }
         }
 
         @Override
         public String getSmsFormat() {
-            synchronized (mLock) {
+            return executeMethodAsyncForResultNoException(() -> MmTelFeature.this
-                return MmTelFeature.this.getSmsFormat();
+                    .getSmsFormat(), "getSmsFormat");
-            }
         }
 
         @Override
         public void onSmsReady() {
-            synchronized (mLock) {
+            executeMethodAsyncNoException(() -> MmTelFeature.this.onSmsReady(),
-                MmTelFeature.this.onSmsReady();
+                    "onSmsReady");
+        }
+
+        // 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) throws RemoteException {
+            try {
+                CompletableFuture.runAsync(
+                        () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
+            } catch (CancellationException | CompletionException e) {
+                Log.w(LOG_TAG, "MmTelFeature Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
+        }
+
+        private void executeMethodAsyncNoException(Runnable r, String errorLogName) {
+            try {
+                CompletableFuture.runAsync(
+                        () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
+            } catch (CancellationException | CompletionException e) {
+                Log.w(LOG_TAG, "MmTelFeature Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+            }
+        }
+
+        private <T> T executeMethodAsyncForResult(Supplier<T> r,
+                String errorLogName) throws RemoteException {
+            CompletableFuture<T> future = CompletableFuture.supplyAsync(
+                    () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor);
+            try {
+                return future.get();
+            } catch (ExecutionException | InterruptedException e) {
+                Log.w(LOG_TAG, "MmTelFeature Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
+        }
+
+        private <T> T executeMethodAsyncForResultNoException(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, "MmTelFeature Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                return null;
             }
         }
     };
@@ -672,7 +783,12 @@ public class MmTelFeature extends ImsFeature {
     public IImsCallSession createCallSessionInterface(ImsCallProfile profile)
             throws RemoteException {
         ImsCallSessionImplBase s = MmTelFeature.this.createCallSession(profile);
-        return s != null ? s.getServiceImpl() : null;
+        if (s != null) {
+            s.setDefaultExecutor(mExecutor);
+            return s.getServiceImpl();
+        } else {
+            return null;
+        }
     }
 
     /**
@@ -713,7 +829,12 @@ public class MmTelFeature extends ImsFeature {
      */
     protected IImsUt getUtInterface() throws RemoteException {
         ImsUtImplBase utImpl = getUt();
-        return utImpl != null ? utImpl.getInterface() : null;
+        if (utImpl != null) {
+            utImpl.setDefaultExecutor(mExecutor);
+            return utImpl.getInterface();
+        } else {
+            return null;
+        }
     }
 
     /**
@@ -721,7 +842,12 @@ public class MmTelFeature extends ImsFeature {
      */
     protected IImsEcbm getEcbmInterface() throws RemoteException {
         ImsEcbmImplBase ecbmImpl = getEcbm();
-        return ecbmImpl != null ? ecbmImpl.getImsEcbm() : null;
+        if (ecbmImpl != null) {
+            ecbmImpl.setDefaultExecutor(mExecutor);
+            return ecbmImpl.getImsEcbm();
+        } else {
+            return null;
+        }
     }
 
     /**
@@ -729,7 +855,12 @@ public class MmTelFeature extends ImsFeature {
      */
     public IImsMultiEndpoint getMultiEndpointInterface() throws RemoteException {
         ImsMultiEndpointImplBase multiendpointImpl = getMultiEndpoint();
-        return multiendpointImpl != null ? multiendpointImpl.getIImsMultiEndpoint() : null;
+        if (multiendpointImpl != null) {
+            multiendpointImpl.setDefaultExecutor(mExecutor);
+            return multiendpointImpl.getIImsMultiEndpoint();
+        } else {
+            return null;
+        }
     }
 
     /**
@@ -859,4 +990,16 @@ public class MmTelFeature extends ImsFeature {
     public final IImsMmTelFeature getBinder() {
         return mImsMMTelBinder;
     }
+
+    /**
+     * Set default Executor from ImsService.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of MmTelFeature.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        if (mExecutor == null) {
+            mExecutor = executor;
+        }
+    }
 }

telephony/java/android/telephony/ims/feature/RcsFeature.java

@@ -70,7 +70,7 @@ public class RcsFeature extends ImsFeature {
         // Reference the outer class in order to have better test coverage metrics instead of
         // creating a inner class referencing the outer class directly.
         private final RcsFeature mReference;
-        private final Executor mExecutor;
+        private Executor mExecutor;
 
         RcsFeatureBinder(RcsFeature classRef, @CallbackExecutor Executor executor) {
             mReference = classRef;
@@ -259,7 +259,7 @@ public class RcsFeature extends ImsFeature {
         }
     }
 
-    private final Executor mExecutor;
+    private Executor mExecutor;
     private final RcsFeatureBinder mImsRcsBinder;
     private RcsCapabilityExchangeImplBase mCapabilityExchangeImpl;
     private CapabilityExchangeEventListener mCapExchangeEventListener;
@@ -270,13 +270,9 @@ public class RcsFeature extends ImsFeature {
      * Method stubs called from the framework will be called asynchronously. To specify the
      * {@link Executor} that the methods stubs will be called, use
      * {@link RcsFeature#RcsFeature(Executor)} instead.
-     *
-     * @deprecated Use {@link #RcsFeature(Executor)} to create the RcsFeature.
      */
-    @Deprecated
     public RcsFeature() {
         super();
-        mExecutor = Runnable::run;
         // Run on the Binder threads that call them.
         mImsRcsBinder = new RcsFeatureBinder(this, mExecutor);
     }
@@ -477,4 +473,17 @@ public class RcsFeature extends ImsFeature {
             return mCapabilityExchangeImpl;
         }
     }
+
+    /**
+     * Set default Executor from ImsService.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of RcsFeature.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        if (mImsRcsBinder.mExecutor == null) {
+            mExecutor = executor;
+            mImsRcsBinder.mExecutor = executor;
+        }
+    }
 }

telephony/java/android/telephony/ims/stub/ImsCallSessionImplBase.java

@@ -30,12 +30,20 @@ import android.telephony.ims.RtpHeaderExtension;
 import android.telephony.ims.RtpHeaderExtensionType;
 import android.telephony.ims.aidl.IImsCallSessionListener;
 import android.util.ArraySet;
+import android.util.Log;
 
 import com.android.ims.internal.IImsCallSession;
 import com.android.ims.internal.IImsVideoCallProvider;
+import com.android.internal.telephony.util.TelephonyUtils;
 
 import java.util.List;
 import java.util.Set;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.function.Supplier;
 
 /**
  * Base implementation of IImsCallSession, which implements stub versions of the methods available.
@@ -48,6 +56,8 @@ import java.util.Set;
 // DO NOT remove or change the existing APIs, only add new ones to this Base implementation or you
 // will break other implementations of ImsCallSession maintained by other ImsServices.
 public class ImsCallSessionImplBase implements AutoCloseable {
+
+    private static final String LOG_TAG = "ImsCallSessionImplBase";
     /**
      * Notify USSD Mode.
      */
@@ -110,185 +120,235 @@ public class ImsCallSessionImplBase implements AutoCloseable {
         }
     }
 
+    private Executor mExecutor = Runnable::run;
+
     // Non-final for injection by tests
     private IImsCallSession mServiceImpl = new IImsCallSession.Stub() {
         @Override
         public void close() {
-            ImsCallSessionImplBase.this.close();
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.close(), "close");
         }
 
         @Override
         public String getCallId() {
-            return ImsCallSessionImplBase.this.getCallId();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this.getCallId(),
+                    "getCallId");
         }
 
         @Override
         public ImsCallProfile getCallProfile() {
-            return ImsCallSessionImplBase.this.getCallProfile();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this.getCallProfile(),
+                    "getCallProfile");
         }
 
         @Override
         public ImsCallProfile getLocalCallProfile() {
-            return ImsCallSessionImplBase.this.getLocalCallProfile();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this
+                    .getLocalCallProfile(), "getLocalCallProfile");
         }
 
         @Override
         public ImsCallProfile getRemoteCallProfile() {
-            return ImsCallSessionImplBase.this.getRemoteCallProfile();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this
+                    .getRemoteCallProfile(), "getRemoteCallProfile");
         }
 
         @Override
         public String getProperty(String name) {
-            return ImsCallSessionImplBase.this.getProperty(name);
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this.getProperty(name),
+                    "getProperty");
         }
 
         @Override
         public int getState() {
-            return ImsCallSessionImplBase.this.getState();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this.getState(),
+                    "getState");
         }
 
         @Override
         public boolean isInCall() {
-            return ImsCallSessionImplBase.this.isInCall();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this.isInCall(),
+                    "isInCall");
         }
 
         @Override
         public void setListener(IImsCallSessionListener listener) {
-            ImsCallSessionImplBase.this.setListener(new ImsCallSessionListener(listener));
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.setListener(
+                    new ImsCallSessionListener(listener)), "setListener");
         }
 
         @Override
         public void setMute(boolean muted) {
-            ImsCallSessionImplBase.this.setMute(muted);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.setMute(muted), "setMute");
         }
 
         @Override
         public void start(String callee, ImsCallProfile profile) {
-            ImsCallSessionImplBase.this.start(callee, profile);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.start(callee, profile), "start");
         }
 
         @Override
         public void startConference(String[] participants, ImsCallProfile profile) throws
                 RemoteException {
-            ImsCallSessionImplBase.this.startConference(participants, profile);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.startConference(participants,
+                    profile), "startConference");
         }
 
         @Override
         public void accept(int callType, ImsStreamMediaProfile profile) {
-            ImsCallSessionImplBase.this.accept(callType, profile);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.accept(callType, profile),
+                    "accept");
         }
 
         @Override
         public void deflect(String deflectNumber) {
-            ImsCallSessionImplBase.this.deflect(deflectNumber);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.deflect(deflectNumber),
+                    "deflect");
         }
 
         @Override
         public void reject(int reason) {
-            ImsCallSessionImplBase.this.reject(reason);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.reject(reason), "reject");
         }
 
         @Override
         public void transfer(@NonNull String number, boolean isConfirmationRequired) {
-            ImsCallSessionImplBase.this.transfer(number, isConfirmationRequired);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.transfer(number,
+                    isConfirmationRequired), "transfer");
         }
 
         @Override
         public void consultativeTransfer(@NonNull IImsCallSession transferToSession) {
-            ImsCallSessionImplBase otherSession = new ImsCallSessionImplBase();
+            executeMethodAsync(() -> {
-            otherSession.setServiceImpl(transferToSession);
+                ImsCallSessionImplBase otherSession = new ImsCallSessionImplBase();
-            ImsCallSessionImplBase.this.transfer(otherSession);
+                otherSession.setServiceImpl(transferToSession);
+                ImsCallSessionImplBase.this.transfer(otherSession);
+            }, "consultativeTransfer");
         }
 
         @Override
         public void terminate(int reason) {
-            ImsCallSessionImplBase.this.terminate(reason);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.terminate(reason), "terminate");
         }
 
         @Override
         public void hold(ImsStreamMediaProfile profile) {
-            ImsCallSessionImplBase.this.hold(profile);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.hold(profile), "hold");
         }
 
         @Override
         public void resume(ImsStreamMediaProfile profile) {
-            ImsCallSessionImplBase.this.resume(profile);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.resume(profile), "resume");
         }
 
         @Override
         public void merge() {
-            ImsCallSessionImplBase.this.merge();
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.merge(), "merge");
         }
 
         @Override
         public void update(int callType, ImsStreamMediaProfile profile) {
-            ImsCallSessionImplBase.this.update(callType, profile);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.update(callType, profile),
+                    "update");
         }
 
         @Override
         public void extendToConference(String[] participants) {
-            ImsCallSessionImplBase.this.extendToConference(participants);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.extendToConference(participants),
+                    "extendToConference");
         }
 
         @Override
         public void inviteParticipants(String[] participants) {
-            ImsCallSessionImplBase.this.inviteParticipants(participants);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.inviteParticipants(participants),
+                    "inviteParticipants");
         }
 
         @Override
         public void removeParticipants(String[] participants) {
-            ImsCallSessionImplBase.this.removeParticipants(participants);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.removeParticipants(participants),
+                    "removeParticipants");
         }
 
         @Override
         public void sendDtmf(char c, Message result) {
-            ImsCallSessionImplBase.this.sendDtmf(c, result);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.sendDtmf(c, result), "sendDtmf");
         }
 
         @Override
         public void startDtmf(char c) {
-            ImsCallSessionImplBase.this.startDtmf(c);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.startDtmf(c), "startDtmf");
         }
 
         @Override
         public void stopDtmf() {
-            ImsCallSessionImplBase.this.stopDtmf();
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.stopDtmf(), "stopDtmf");
         }
 
         @Override
         public void sendUssd(String ussdMessage) {
-            ImsCallSessionImplBase.this.sendUssd(ussdMessage);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.sendUssd(ussdMessage), "sendUssd");
         }
 
         @Override
         public IImsVideoCallProvider getVideoCallProvider() {
-            return ImsCallSessionImplBase.this.getVideoCallProvider();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this
+                    .getVideoCallProvider(), "getVideoCallProvider");
         }
 
         @Override
         public boolean isMultiparty() {
-            return ImsCallSessionImplBase.this.isMultiparty();
+            return executeMethodAsyncForResult(() -> ImsCallSessionImplBase.this.isMultiparty(),
+                    "isMultiparty");
         }
 
         @Override
         public void sendRttModifyRequest(ImsCallProfile toProfile) {
-            ImsCallSessionImplBase.this.sendRttModifyRequest(toProfile);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.sendRttModifyRequest(toProfile),
+                    "sendRttModifyRequest");
         }
 
         @Override
         public void sendRttModifyResponse(boolean status) {
-            ImsCallSessionImplBase.this.sendRttModifyResponse(status);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.sendRttModifyResponse(status),
+                    "sendRttModifyResponse");
         }
 
         @Override
         public void sendRttMessage(String rttMessage) {
-            ImsCallSessionImplBase.this.sendRttMessage(rttMessage);
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.sendRttMessage(rttMessage),
+                    "sendRttMessage");
         }
 
         @Override
         public void sendRtpHeaderExtensions(@NonNull List<RtpHeaderExtension> extensions) {
-            ImsCallSessionImplBase.this.sendRtpHeaderExtensions(
+            executeMethodAsync(() -> ImsCallSessionImplBase.this.sendRtpHeaderExtensions(
-                    new ArraySet<RtpHeaderExtension>(extensions));
+                    new ArraySet<RtpHeaderExtension>(extensions)), "sendRtpHeaderExtensions");
+        }
+
+        // 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, "ImsCallSessionImplBase 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, "ImsCallSessionImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                return null;
+            }
         }
     };
 
@@ -674,4 +734,14 @@ public class ImsCallSessionImplBase implements AutoCloseable {
     public void setServiceImpl(IImsCallSession serviceImpl) {
         mServiceImpl = serviceImpl;
     }
+
+    /**
+     * Set default Executor from MmTelFeature.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of ImsCallSession.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        mExecutor = executor;
+    }
 }

telephony/java/android/telephony/ims/stub/ImsConfigImplBase.java

@@ -33,12 +33,21 @@ import android.util.Log;
 import com.android.ims.ImsConfig;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.telephony.util.RemoteCallbackListExt;
+import com.android.internal.telephony.util.TelephonyUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.ref.WeakReference;
 import java.util.Arrays;
 import java.util.HashMap;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Supplier;
+
 
 /**
  * Controls the modification of IMS specific configurations. For more information on the supported
@@ -81,21 +90,48 @@ public class ImsConfigImplBase {
         WeakReference<ImsConfigImplBase> mImsConfigImplBaseWeakReference;
         private HashMap<Integer, Integer> mProvisionedIntValue = new HashMap<>();
         private HashMap<Integer, String> mProvisionedStringValue = new HashMap<>();
+        private final Object mLock = new Object();
+        private Executor mExecutor;
 
         @VisibleForTesting
-        public ImsConfigStub(ImsConfigImplBase imsConfigImplBase) {
+        public ImsConfigStub(ImsConfigImplBase imsConfigImplBase, Executor executor) {
+            mExecutor = executor;
             mImsConfigImplBaseWeakReference =
                     new WeakReference<ImsConfigImplBase>(imsConfigImplBase);
         }
 
         @Override
         public void addImsConfigCallback(IImsConfigCallback c) throws RemoteException {
-            getImsConfigImpl().addImsConfigCallback(c);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().addImsConfigCallback(c);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "addImsConfigCallback");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception addImsConfigCallback");
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void removeImsConfigCallback(IImsConfigCallback c) throws RemoteException {
-            getImsConfigImpl().removeImsConfigCallback(c);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().removeImsConfigCallback(c);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "removeImsConfigCallback");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception removeImsConfigCallback");
+                throw exceptionRef.get();
+            }
         }
 
         /**
@@ -108,16 +144,34 @@ public class ImsConfigImplBase {
          * unavailable.
          */
         @Override
-        public synchronized int getConfigInt(int item) throws RemoteException {
+        public int getConfigInt(int item) throws RemoteException {
-            if (mProvisionedIntValue.containsKey(item)) {
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-                return mProvisionedIntValue.get(item);
+            int retVal = executeMethodAsyncForResult(()-> {
-            } else {
+                int returnVal = ImsConfig.OperationStatusConstants.UNKNOWN;
-                int retVal = getImsConfigImpl().getConfigInt(item);
+                synchronized (mLock) {
-                if (retVal != ImsConfig.OperationStatusConstants.UNKNOWN) {
+                    if (mProvisionedIntValue.containsKey(item)) {
-                    updateCachedValue(item, retVal, false);
+                        return mProvisionedIntValue.get(item);
+                    } else {
+                        try {
+                            returnVal = getImsConfigImpl().getConfigInt(item);
+                            if (returnVal != ImsConfig.OperationStatusConstants.UNKNOWN) {
+                                mProvisionedIntValue.put(item, returnVal);
+                            }
+                        } catch (RemoteException e) {
+                            exceptionRef.set(e);
+                            return returnVal;
+                        }
+                    }
                 }
-                return retVal;
+                return returnVal;
+            }, "getConfigInt");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception getConfigString");
+                throw exceptionRef.get();
             }
+
+            return retVal;
         }
 
         /**
@@ -129,16 +183,34 @@ public class ImsConfigImplBase {
          * @return value in String format.
          */
         @Override
-        public synchronized String getConfigString(int item) throws RemoteException {
+        public String getConfigString(int item) throws RemoteException {
-            if (mProvisionedStringValue.containsKey(item)) {
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-                return mProvisionedStringValue.get(item);
+            String retVal = executeMethodAsyncForResult(()-> {
-            } else {
+                String returnVal = null;
-                String retVal = getImsConfigImpl().getConfigString(item);
+                synchronized (mLock) {
-                if (retVal != null) {
+                    if (mProvisionedStringValue.containsKey(item)) {
-                    updateCachedValue(item, retVal, false);
+                        returnVal = mProvisionedStringValue.get(item);
+                    } else {
+                        try {
+                            returnVal = getImsConfigImpl().getConfigString(item);
+                            if (returnVal != null) {
+                                mProvisionedStringValue.put(item, returnVal);
+                            }
+                        } catch (RemoteException e) {
+                            exceptionRef.set(e);
+                            return returnVal;
+                        }
+                    }
                 }
-                return retVal;
+                return returnVal;
+            }, "getConfigString");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception getConfigString");
+                throw exceptionRef.get();
             }
+
+            return retVal;
         }
 
         /**
@@ -153,14 +225,32 @@ public class ImsConfigImplBase {
          * {@link #CONFIG_RESULT_FAILED} or {@link #CONFIG_RESULT_SUCCESS}.
          */
         @Override
-        public synchronized int setConfigInt(int item, int value) throws RemoteException {
+        public int setConfigInt(int item, int value) throws RemoteException {
-            mProvisionedIntValue.remove(item);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-            int retVal = getImsConfigImpl().setConfig(item, value);
+            int retVal = executeMethodAsyncForResult(()-> {
-            if (retVal == ImsConfig.OperationStatusConstants.SUCCESS) {
+                int returnVal = ImsConfig.OperationStatusConstants.UNKNOWN;
-                updateCachedValue(item, value, true);
+                try {
-            } else {
+                    synchronized (mLock) {
-                Log.d(TAG, "Set provision value of " + item +
+                        mProvisionedIntValue.remove(item);
-                        " to " + value + " failed with error code " + retVal);
+                        returnVal = getImsConfigImpl().setConfig(item, value);
+                        if (returnVal == ImsConfig.OperationStatusConstants.SUCCESS) {
+                            mProvisionedIntValue.put(item, value);
+                        } else {
+                            Log.d(TAG, "Set provision value of " + item
+                                    + " to " + value + " failed with error code " + returnVal);
+                        }
+                    }
+                    notifyImsConfigChanged(item, value);
+                    return returnVal;
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                    return returnVal;
+                }
+            }, "setConfigInt");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception setConfigInt");
+                throw exceptionRef.get();
             }
 
             return retVal;
@@ -178,12 +268,30 @@ public class ImsConfigImplBase {
          * {@link #CONFIG_RESULT_FAILED} or {@link #CONFIG_RESULT_SUCCESS}.
          */
         @Override
-        public synchronized int setConfigString(int item, String value)
+        public int setConfigString(int item, String value)
                 throws RemoteException {
-            mProvisionedStringValue.remove(item);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
-            int retVal = getImsConfigImpl().setConfig(item, value);
+            int retVal = executeMethodAsyncForResult(()-> {
-            if (retVal == ImsConfig.OperationStatusConstants.SUCCESS) {
+                int returnVal = ImsConfig.OperationStatusConstants.UNKNOWN;
-                updateCachedValue(item, value, true);
+                try {
+                    synchronized (mLock) {
+                        mProvisionedStringValue.remove(item);
+                        returnVal = getImsConfigImpl().setConfig(item, value);
+                        if (returnVal == ImsConfig.OperationStatusConstants.SUCCESS) {
+                            mProvisionedStringValue.put(item, value);
+                        }
+                    }
+                    notifyImsConfigChanged(item, value);
+                    return returnVal;
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                    return returnVal;
+                }
+            }, "setConfigString");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception setConfigInt");
+                throw exceptionRef.get();
             }
 
             return retVal;
@@ -191,7 +299,19 @@ public class ImsConfigImplBase {
 
         @Override
         public void updateImsCarrierConfigs(PersistableBundle bundle) throws RemoteException {
-            getImsConfigImpl().updateImsCarrierConfigs(bundle);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().updateImsCarrierConfigs(bundle);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "updateImsCarrierConfigs");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception updateImsCarrierConfigs");
+                throw exceptionRef.get();
+            }
         }
 
         private ImsConfigImplBase getImsConfigImpl() throws RemoteException {
@@ -206,13 +326,37 @@ public class ImsConfigImplBase {
         @Override
         public void notifyRcsAutoConfigurationReceived(byte[] config, boolean isCompressed)
                 throws RemoteException {
-            getImsConfigImpl().onNotifyRcsAutoConfigurationReceived(config, isCompressed);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().onNotifyRcsAutoConfigurationReceived(config, isCompressed);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "notifyRcsAutoConfigurationReceived");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception notifyRcsAutoConfigurationReceived");
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void notifyRcsAutoConfigurationRemoved()
                 throws RemoteException {
-            getImsConfigImpl().onNotifyRcsAutoConfigurationRemoved();
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().onNotifyRcsAutoConfigurationRemoved();
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "notifyRcsAutoConfigurationRemoved");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception notifyRcsAutoConfigurationRemoved");
+                throw exceptionRef.get();
+            }
         }
 
         private void notifyImsConfigChanged(int item, int value) throws RemoteException {
@@ -223,50 +367,144 @@ public class ImsConfigImplBase {
             getImsConfigImpl().notifyConfigChanged(item, value);
         }
 
-        protected synchronized void updateCachedValue(int item, int value, boolean notifyChange)
+        protected void updateCachedValue(int item, int value) {
-        throws RemoteException {
+            synchronized (mLock) {
-            mProvisionedIntValue.put(item, value);
+                mProvisionedIntValue.put(item, value);
-            if (notifyChange) {
-                notifyImsConfigChanged(item, value);
             }
         }
 
-        protected synchronized void updateCachedValue(int item, String value,
+        protected void updateCachedValue(int item, String value) {
-                boolean notifyChange) throws RemoteException {
+            synchronized (mLock) {
-            mProvisionedStringValue.put(item, value);
+                mProvisionedStringValue.put(item, value);
-            if (notifyChange) {
-                notifyImsConfigChanged(item, value);
             }
         }
 
         @Override
         public void addRcsConfigCallback(IRcsConfigCallback c) throws RemoteException {
-            getImsConfigImpl().addRcsConfigCallback(c);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().addRcsConfigCallback(c);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "addRcsConfigCallback");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception addRcsConfigCallback");
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void removeRcsConfigCallback(IRcsConfigCallback c) throws RemoteException {
-            getImsConfigImpl().removeRcsConfigCallback(c);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().removeRcsConfigCallback(c);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "removeRcsConfigCallback");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception removeRcsConfigCallback");
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void triggerRcsReconfiguration() throws RemoteException {
-            getImsConfigImpl().triggerAutoConfiguration();
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().triggerAutoConfiguration();
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "triggerRcsReconfiguration");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception triggerRcsReconfiguration");
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void setRcsClientConfiguration(RcsClientConfiguration rcc) throws RemoteException {
-            getImsConfigImpl().setRcsClientConfiguration(rcc);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    getImsConfigImpl().setRcsClientConfiguration(rcc);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "setRcsClientConfiguration");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception setRcsClientConfiguration");
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void notifyIntImsConfigChanged(int item, int value) throws RemoteException {
-            notifyImsConfigChanged(item, value);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    notifyImsConfigChanged(item, value);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "notifyIntImsConfigChanged");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception notifyIntImsConfigChanged");
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void notifyStringImsConfigChanged(int item, String value) throws RemoteException {
-            notifyImsConfigChanged(item, value);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(()-> {
+                try {
+                    notifyImsConfigChanged(item, value);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "notifyStringImsConfigChanged");
+
+            if (exceptionRef.get() != null) {
+                Log.d(TAG, "ImsConfigImplBase Exception notifyStringImsConfigChanged");
+                throw exceptionRef.get();
+            }
+        }
+
+        // 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) throws RemoteException {
+            try {
+                CompletableFuture.runAsync(
+                        () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
+            } catch (CancellationException | CompletionException e) {
+                Log.w(TAG, "ImsConfigImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
+        }
+
+        private <T> T executeMethodAsyncForResult(Supplier<T> r,
+                String errorLogName) throws RemoteException {
+            CompletableFuture<T> future = CompletableFuture.supplyAsync(
+                    () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor);
+            try {
+                return future.get();
+            } catch (ExecutionException | InterruptedException e) {
+                Log.w(TAG, "ImsConfigImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
         }
     }
 
@@ -303,15 +541,24 @@ public class ImsConfigImplBase {
     ImsConfigStub mImsConfigStub;
 
     /**
-     * Used for compatibility between older versions of the ImsService.
+     * Create a ImsConfig using the Executor specified for methods being called by the
+     * framework.
+     * @param executor The executor for the framework to use when executing the methods overridden
+     * by the implementation of ImsConfig.
+     */
+    public ImsConfigImplBase(@NonNull Executor executor) {
+        mImsConfigStub = new ImsConfigStub(this, executor);
+    }
+
+    /**
      * @hide
      */
-    public ImsConfigImplBase(Context context) {
+    public ImsConfigImplBase(@NonNull Context context) {
-        mImsConfigStub = new ImsConfigStub(this);
+        mImsConfigStub = new ImsConfigStub(this, null);
     }
 
     public ImsConfigImplBase() {
-        mImsConfigStub = new ImsConfigStub(this);
+        mImsConfigStub = new ImsConfigStub(this, null);
     }
 
     /**
@@ -427,8 +674,10 @@ public class ImsConfigImplBase {
      * @param value in Integer format.
      */
     public final void notifyProvisionedValueChanged(int item, int value) {
+        mImsConfigStub.updateCachedValue(item, value);
+
         try {
-            mImsConfigStub.updateCachedValue(item, value, true);
+            mImsConfigStub.notifyImsConfigChanged(item, value);
         } catch (RemoteException e) {
             Log.w(TAG, "notifyProvisionedValueChanged(int): Framework connection is dead.");
         }
@@ -443,8 +692,10 @@ public class ImsConfigImplBase {
      * @param value in String format.
      */
     public final void notifyProvisionedValueChanged(int item, String value) {
+        mImsConfigStub.updateCachedValue(item, value);
+
         try {
-        mImsConfigStub.updateCachedValue(item, value, true);
+            mImsConfigStub.notifyImsConfigChanged(item, value);
         } catch (RemoteException e) {
             Log.w(TAG, "notifyProvisionedValueChanged(string): Framework connection is dead.");
         }
@@ -582,4 +833,16 @@ public class ImsConfigImplBase {
             }
         });
     }
+
+    /**
+     * Set default Executor from ImsService.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of ImsConfig.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        if (mImsConfigStub.mExecutor == null) {
+            mImsConfigStub.mExecutor = executor;
+        }
+    }
 }

telephony/java/android/telephony/ims/stub/ImsEcbmImplBase.java

@@ -16,14 +16,21 @@
 
 package android.telephony.ims.stub;
 
+import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.os.RemoteException;
 import android.util.Log;
 
 import com.android.ims.internal.IImsEcbm;
 import com.android.ims.internal.IImsEcbmListener;
+import com.android.internal.telephony.util.TelephonyUtils;
 
 import java.util.Objects;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.Executor;
+
 
 /**
  * Base implementation of ImsEcbm, which implements stub versions of the methods
@@ -40,10 +47,12 @@ public class ImsEcbmImplBase {
 
     private final Object mLock = new Object();
     private IImsEcbmListener mListener;
+    private Executor mExecutor = Runnable::run;
+
     private final IImsEcbm mImsEcbm = new IImsEcbm.Stub() {
         @Override
         public void setListener(IImsEcbmListener listener) {
-            synchronized (mLock) {
+            executeMethodAsync(() -> {
                 if (mListener != null && !mListener.asBinder().isBinderAlive()) {
                     Log.w(TAG, "setListener: discarding dead Binder");
                     mListener = null;
@@ -62,12 +71,25 @@ public class ImsEcbmImplBase {
                             + "listener");
                     mListener = listener;
                 }
-            }
+            }, "setListener");
         }
 
         @Override
         public void exitEmergencyCallbackMode() {
-            ImsEcbmImplBase.this.exitEmergencyCallbackMode();
+            executeMethodAsync(() -> ImsEcbmImplBase.this.exitEmergencyCallbackMode(),
+                    "exitEmergencyCallbackMode");
+        }
+
+        // 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(TAG, "ImsEcbmImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+            }
         }
     };
 
@@ -123,4 +145,14 @@ public class ImsEcbmImplBase {
             }
         }
     }
+
+    /**
+     * Set default Executor from MmTelFeature.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of ImsEcbm.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        mExecutor = executor;
+    }
 }

telephony/java/android/telephony/ims/stub/ImsMultiEndpointImplBase.java

@@ -16,6 +16,7 @@
 
 package android.telephony.ims.stub;
 
+import android.annotation.NonNull;
 import android.annotation.SystemApi;
 import android.os.RemoteException;
 import android.telephony.ims.ImsExternalCallState;
@@ -23,9 +24,14 @@ import android.util.Log;
 
 import com.android.ims.internal.IImsExternalCallStateListener;
 import com.android.ims.internal.IImsMultiEndpoint;
+import com.android.internal.telephony.util.TelephonyUtils;
 
 import java.util.List;
 import java.util.Objects;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.Executor;
 
 /**
  * Base implementation of ImsMultiEndpoint, which implements stub versions of the methods
@@ -43,11 +49,13 @@ public class ImsMultiEndpointImplBase {
 
     private IImsExternalCallStateListener mListener;
     private final Object mLock = new Object();
+    private Executor mExecutor = Runnable::run;
+
     private final IImsMultiEndpoint mImsMultiEndpoint = new IImsMultiEndpoint.Stub() {
 
         @Override
         public void setListener(IImsExternalCallStateListener listener) throws RemoteException {
-            synchronized (mLock) {
+            executeMethodAsync(() -> {
                 if (mListener != null && !mListener.asBinder().isBinderAlive()) {
                     Log.w(TAG, "setListener: discarding dead Binder");
                     mListener = null;
@@ -67,12 +75,25 @@ public class ImsMultiEndpointImplBase {
                             + "listener");
                     mListener = listener;
                 }
-            }
+            }, "setListener");
         }
 
         @Override
         public void requestImsExternalCallStateInfo() throws RemoteException {
-            ImsMultiEndpointImplBase.this.requestImsExternalCallStateInfo();
+            executeMethodAsync(() -> ImsMultiEndpointImplBase.this
+                    .requestImsExternalCallStateInfo(), "requestImsExternalCallStateInfo");
+        }
+
+        // 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(TAG, "ImsMultiEndpointImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+            }
         }
     };
 
@@ -108,4 +129,14 @@ public class ImsMultiEndpointImplBase {
     public void requestImsExternalCallStateInfo() {
         Log.d(TAG, "requestImsExternalCallStateInfo() not implemented");
     }
+
+    /**
+     * Set default Executor from MmTelFeature.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of ImsMultiEndpoint.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        mExecutor = executor;
+    }
 }

telephony/java/android/telephony/ims/stub/ImsRegistrationImplBase.java

@@ -31,10 +31,19 @@ import android.telephony.ims.aidl.IImsRegistrationCallback;
 import android.util.Log;
 
 import com.android.internal.telephony.util.RemoteCallbackListExt;
+import com.android.internal.telephony.util.TelephonyUtils;
 import com.android.internal.util.ArrayUtils;
 
+
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Supplier;
 
 /**
  * Controls IMS registration for this ImsService and notifies the framework when the IMS
@@ -92,39 +101,114 @@ public class ImsRegistrationImplBase {
     // yet.
     private static final int REGISTRATION_STATE_UNKNOWN = -1;
 
+    private Executor mExecutor;
+
+    /**
+     * Create a new ImsRegistration.
+     * <p>
+     * Method stubs called from the framework will be called asynchronously. To specify the
+     * {@link Executor} that the methods stubs will be called, use
+     * {@link ImsRegistrationImplBase#ImsRegistrationImplBase(Executor)} instead.
+     */
+    public ImsRegistrationImplBase() {
+        super();
+    }
+
+    /**
+     * Create a ImsRegistration using the Executor specified for methods being called by the
+     * framework.
+     * @param executor The executor for the framework to use when executing the methods overridden
+     * by the implementation of ImsRegistration.
+     */
+    public ImsRegistrationImplBase(@NonNull Executor executor) {
+        super();
+        mExecutor = executor;
+    }
+
     private final IImsRegistration mBinder = new IImsRegistration.Stub() {
 
         @Override
         public @ImsRegistrationTech int getRegistrationTechnology() throws RemoteException {
-            synchronized (mLock) {
+            return executeMethodAsyncForResult(() -> (mRegistrationAttributes == null)
-                return (mRegistrationAttributes == null) ? REGISTRATION_TECH_NONE
+                    ? REGISTRATION_TECH_NONE : mRegistrationAttributes.getRegistrationTechnology(),
-                        : mRegistrationAttributes.getRegistrationTechnology();
+                    "getRegistrationTechnology");
-            }
         }
 
         @Override
         public void addRegistrationCallback(IImsRegistrationCallback c) throws RemoteException {
-            ImsRegistrationImplBase.this.addRegistrationCallback(c);
+            AtomicReference<RemoteException> exceptionRef = new AtomicReference<>();
+            executeMethodAsync(() -> {
+                try {
+                    ImsRegistrationImplBase.this.addRegistrationCallback(c);
+                } catch (RemoteException e) {
+                    exceptionRef.set(e);
+                }
+            }, "addRegistrationCallback");
+
+            if (exceptionRef.get() != null) {
+                throw exceptionRef.get();
+            }
         }
 
         @Override
         public void removeRegistrationCallback(IImsRegistrationCallback c) throws RemoteException {
-            ImsRegistrationImplBase.this.removeRegistrationCallback(c);
+            executeMethodAsync(() -> ImsRegistrationImplBase.this.removeRegistrationCallback(c),
+                    "removeRegistrationCallback");
         }
 
         @Override
         public void triggerFullNetworkRegistration(int sipCode, String sipReason) {
-            ImsRegistrationImplBase.this.triggerFullNetworkRegistration(sipCode, sipReason);
+            executeMethodAsyncNoException(() -> ImsRegistrationImplBase.this
+                    .triggerFullNetworkRegistration(sipCode, sipReason),
+                    "triggerFullNetworkRegistration");
         }
 
         @Override
         public void triggerUpdateSipDelegateRegistration() {
-            ImsRegistrationImplBase.this.updateSipDelegateRegistration();
+            executeMethodAsyncNoException(() -> ImsRegistrationImplBase.this
+                    .updateSipDelegateRegistration(), "triggerUpdateSipDelegateRegistration");
         }
 
         @Override
         public void triggerSipDelegateDeregistration() {
-            ImsRegistrationImplBase.this.triggerSipDelegateDeregistration();
+            executeMethodAsyncNoException(() -> ImsRegistrationImplBase.this
+                    .triggerSipDelegateDeregistration(), "triggerSipDelegateDeregistration");
+        }
+
+        // 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) throws RemoteException {
+            try {
+                CompletableFuture.runAsync(
+                        () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
+            } catch (CancellationException | CompletionException e) {
+                Log.w(LOG_TAG, "ImsRegistrationImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
+        }
+
+        private void executeMethodAsyncNoException(Runnable r, String errorLogName) {
+            try {
+                CompletableFuture.runAsync(
+                        () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
+            } catch (CancellationException | CompletionException e) {
+                Log.w(LOG_TAG, "ImsRegistrationImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+            }
+        }
+
+        private <T> T executeMethodAsyncForResult(Supplier<T> r,
+                String errorLogName) throws RemoteException {
+            CompletableFuture<T> future = CompletableFuture.supplyAsync(
+                    () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor);
+            try {
+                return future.get();
+            } catch (ExecutionException | InterruptedException e) {
+                Log.w(LOG_TAG, "ImsRegistrationImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
         }
     };
 
@@ -394,4 +478,16 @@ public class ImsRegistrationImplBase {
             onSubscriberAssociatedUriChanged(c, uris);
         }
     }
+
+    /**
+     * Set default Executor from ImsService.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of Registration.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        if (mExecutor == null) {
+            mExecutor = executor;
+        }
+    }
 }

telephony/java/android/telephony/ims/stub/ImsUtImplBase.java

@@ -27,10 +27,17 @@ import android.util.Log;
 
 import com.android.ims.internal.IImsUt;
 import com.android.ims.internal.IImsUtListener;
+import com.android.internal.telephony.util.TelephonyUtils;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.util.Objects;
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.CompletionException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executor;
+import java.util.function.Supplier;
 
 /**
  * Base implementation of IMS UT interface, which implements stubs. Override these methods to
@@ -119,96 +126,108 @@ public class ImsUtImplBase {
      */
     public static final int INVALID_RESULT = -1;
 
+    private Executor mExecutor = Runnable::run;
+
     private final IImsUt.Stub mServiceImpl = new IImsUt.Stub() {
         private final Object mLock = new Object();
         private ImsUtListener mUtListener;
 
         @Override
         public void close() throws RemoteException {
-            ImsUtImplBase.this.close();
+            executeMethodAsync(() ->ImsUtImplBase.this.close(), "close");
         }
 
         @Override
         public int queryCallBarring(int cbType) throws RemoteException {
-            return ImsUtImplBase.this.queryCallBarring(cbType);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.queryCallBarring(cbType),
+                    "queryCallBarring");
         }
 
         @Override
         public int queryCallForward(int condition, String number) throws RemoteException {
-            return ImsUtImplBase.this.queryCallForward(condition, number);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.queryCallForward(
+                    condition, number), "queryCallForward");
         }
 
         @Override
         public int queryCallWaiting() throws RemoteException {
-            return ImsUtImplBase.this.queryCallWaiting();
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.queryCallWaiting(),
+                    "queryCallWaiting");
         }
 
         @Override
         public int queryCLIR() throws RemoteException {
-            return ImsUtImplBase.this.queryCLIR();
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.queryCLIR(), "queryCLIR");
         }
 
         @Override
         public int queryCLIP() throws RemoteException {
-            return ImsUtImplBase.this.queryCLIP();
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.queryCLIP(), "queryCLIP");
         }
 
         @Override
         public int queryCOLR() throws RemoteException {
-            return ImsUtImplBase.this.queryCOLR();
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.queryCOLR(), "queryCOLR");
         }
 
         @Override
         public int queryCOLP() throws RemoteException {
-            return ImsUtImplBase.this.queryCOLP();
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.queryCOLP(), "queryCOLP");
         }
 
         @Override
         public int transact(Bundle ssInfo) throws RemoteException {
-            return ImsUtImplBase.this.transact(ssInfo);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.transact(ssInfo),
+                    "transact");
         }
 
         @Override
         public int updateCallBarring(int cbType, int action, String[] barrList) throws
                 RemoteException {
-            return ImsUtImplBase.this.updateCallBarring(cbType, action, barrList);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.updateCallBarring(
+                    cbType, action, barrList), "updateCallBarring");
         }
 
         @Override
         public int updateCallForward(int action, int condition, String number, int serviceClass,
                 int timeSeconds) throws RemoteException {
-            return ImsUtImplBase.this.updateCallForward(action, condition, number, serviceClass,
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.updateCallForward(
-                    timeSeconds);
+                    action, condition, number, serviceClass, timeSeconds), "updateCallForward");
         }
 
         @Override
         public int updateCallWaiting(boolean enable, int serviceClass) throws RemoteException {
-            return ImsUtImplBase.this.updateCallWaiting(enable, serviceClass);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.updateCallWaiting(
+                    enable, serviceClass), "updateCallWaiting");
         }
 
         @Override
         public int updateCLIR(int clirMode) throws RemoteException {
-            return ImsUtImplBase.this.updateCLIR(clirMode);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.updateCLIR(clirMode),
+                    "updateCLIR");
         }
 
         @Override
         public int updateCLIP(boolean enable) throws RemoteException {
-            return ImsUtImplBase.this.updateCLIP(enable);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.updateCLIP(enable),
+                    "updateCLIP");
         }
 
         @Override
         public int updateCOLR(int presentation) throws RemoteException {
-            return ImsUtImplBase.this.updateCOLR(presentation);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.updateCOLR(presentation),
+                    "updateCOLR");
         }
 
         @Override
         public int updateCOLP(boolean enable) throws RemoteException {
-            return ImsUtImplBase.this.updateCOLP(enable);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this.updateCOLP(enable),
+                    "updateCOLP");
         }
 
         @Override
         public void setListener(IImsUtListener listener) throws RemoteException {
-            synchronized (mLock) {
+            executeMethodAsync(() -> {
                 if (mUtListener != null
                         && !mUtListener.getListenerInterface().asBinder().isBinderAlive()) {
                     Log.w(TAG, "setListener: discarding dead Binder");
@@ -229,29 +248,59 @@ public class ImsUtImplBase {
                             + "listener");
                     mUtListener = new ImsUtListener(listener);
                 }
-            }
 
-            ImsUtImplBase.this.setListener(mUtListener);
+                ImsUtImplBase.this.setListener(mUtListener);
+            }, "setListener");
         }
 
         @Override
         public int queryCallBarringForServiceClass(int cbType, int serviceClass)
                 throws RemoteException {
-            return ImsUtImplBase.this.queryCallBarringForServiceClass(cbType, serviceClass);
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this
+                    .queryCallBarringForServiceClass(cbType, serviceClass),
+                    "queryCallBarringForServiceClass");
         }
 
         @Override
         public int updateCallBarringForServiceClass(int cbType, int action,
                 String[] barrList, int serviceClass) throws RemoteException {
-            return ImsUtImplBase.this.updateCallBarringForServiceClass(
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this
-                    cbType, action, barrList, serviceClass);
+                    .updateCallBarringForServiceClass(cbType, action, barrList, serviceClass),
+                    "updateCallBarringForServiceClass");
         }
 
         @Override
         public int updateCallBarringWithPassword(int cbType, int action, String[] barrList,
                 int serviceClass, String password) throws RemoteException {
-            return ImsUtImplBase.this.updateCallBarringWithPassword(
+            return executeMethodAsyncForResult(() -> ImsUtImplBase.this
-                    cbType, action, barrList, serviceClass, password);
+                    .updateCallBarringWithPassword(cbType, action, barrList, serviceClass,
+                    password), "updateCallBarringWithPassword");
+        }
+
+        // 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) throws RemoteException {
+            try {
+                CompletableFuture.runAsync(
+                        () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor).join();
+            } catch (CancellationException | CompletionException e) {
+                Log.w(TAG, "ImsUtImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
+        }
+
+        private <T> T executeMethodAsyncForResult(Supplier<T> r,
+                String errorLogName) throws RemoteException {
+            CompletableFuture<T> future = CompletableFuture.supplyAsync(
+                    () -> TelephonyUtils.runWithCleanCallingIdentity(r), mExecutor);
+            try {
+                return future.get();
+            } catch (ExecutionException | InterruptedException e) {
+                Log.w(TAG, "ImsUtImplBase Binder - " + errorLogName + " exception: "
+                        + e.getMessage());
+                throw new RemoteException(e.getMessage());
+            }
         }
     };
 
@@ -470,4 +519,14 @@ public class ImsUtImplBase {
     public IImsUt getInterface() {
         return mServiceImpl;
     }
+
+    /**
+     * Set default Executor from MmTelFeature.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of ImsUT.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        mExecutor = executor;
+    }
 }

telephony/java/android/telephony/ims/stub/SipTransportImplBase.java

@@ -86,9 +86,20 @@ public class SipTransportImplBase {
         }
     };
 
-    private final Executor mBinderExecutor;
+    private Executor mBinderExecutor;
     private final ArrayList<SipDelegateAidlWrapper> mDelegates = new ArrayList<>();
 
+    /**
+     * Create a new SipTransport.
+     * <p>
+     * Method stubs called from the framework will be called asynchronously. To specify the
+     * {@link Executor} that the methods stubs will be called, use
+     * {@link SipTransportImplBase#SipTransportImplBase(Executor)} instead.
+     */
+    public SipTransportImplBase() {
+        super();
+    }
+
     /**
      * Create an implementation of SipTransportImplBase.
      *
@@ -212,4 +223,16 @@ public class SipTransportImplBase {
     public ISipTransport getBinder() {
         return mSipTransportImpl;
     }
+
+    /**
+     * Set default Executor from ImsService.
+     * @param executor The default executor for the framework to use when executing the methods
+     * overridden by the implementation of SipTransport.
+     * @hide
+     */
+    public final void setDefaultExecutor(@NonNull Executor executor) {
+        if (mBinderExecutor == null) {
+            mBinderExecutor = executor;
+        }
+    }
 }