Merge changes Ibd2ad90a,Ifeb615dc into main am: 1e067eff77 am: 4fffda9184 am: 5315ba20f4 (416ebb89) · Commits · e / os / android_frameworks_base

Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -220,6 +220,7 @@ java_library {
		"updatable-driver-protos",
		"ota_metadata_proto_java",
		"android.hidl.base-V1.0-java",
		"android.hidl.manager-V1.2-java",
		"android.hardware.cas-V1-java", // AIDL
		"android.hardware.cas-V1.0-java",
		"android.hardware.cas-V1.1-java",

core/java/android/os/HwNoService.java

+102 −12

Original line number	Diff line number	Diff line
		@@ -16,37 +16,127 @@

		package android.os;

		import android.hidl.manager.V1_2.IServiceManager;
		import android.util.Log;

		import java.util.ArrayList;

		/**
		* A fake hwservicemanager that is used locally when HIDL isn't supported on the device.
		*
		* @hide
		*/
		final class HwNoService implements IHwBinder, IHwInterface {
		final class HwNoService extends IServiceManager.Stub implements IHwBinder, IHwInterface {
		private static final String TAG = "HwNoService";

		/** @hide */
		@Override
		public void transact(int code, HwParcel request, HwParcel reply, int flags) {}
		public String toString() {
		return "[HwNoService]";
		}

		/** @hide */
		@Override
		public IHwInterface queryLocalInterface(String descriptor) {
		return new HwNoService();
		public android.hidl.base.V1_0.IBase get(String fqName, String name)
		throws android.os.RemoteException {
		Log.i(TAG, "get " + fqName + "/" + name + " with no hwservicemanager");
		return null;
		}

		/** @hide */
		@Override
		public boolean linkToDeath(DeathRecipient recipient, long cookie) {
		public boolean add(String name, android.hidl.base.V1_0.IBase service)
		throws android.os.RemoteException {
		Log.i(TAG, "get " + name + " with no hwservicemanager");
		return false;
		}

		@Override
		public byte getTransport(String fqName, String name) throws android.os.RemoteException {
		Log.i(TAG, "getTransoport " + fqName + "/" + name + " with no hwservicemanager");
		return 0x0;
		}

		@Override
		public java.util.ArrayList<String> list() throws android.os.RemoteException {
		Log.i(TAG, "list with no hwservicemanager");
		return new ArrayList<String>();
		}

		@Override
		public java.util.ArrayList<String> listByInterface(String fqName)
		throws android.os.RemoteException {
		Log.i(TAG, "listByInterface with no hwservicemanager");
		return new ArrayList<String>();
		}

		@Override
		public boolean registerForNotifications(
		String fqName, String name, android.hidl.manager.V1_0.IServiceNotification callback)
		throws android.os.RemoteException {
		Log.i(TAG, "registerForNotifications with no hwservicemanager");
		return true;
		}

		/** @hide */
		@Override
		public boolean unlinkToDeath(DeathRecipient recipient) {
		public ArrayList<android.hidl.manager.V1_0.IServiceManager.InstanceDebugInfo> debugDump()
		throws android.os.RemoteException {
		Log.i(TAG, "debugDump with no hwservicemanager");
		return new ArrayList<android.hidl.manager.V1_0.IServiceManager.InstanceDebugInfo>();
		}

		@Override
		public void registerPassthroughClient(String fqName, String name)
		throws android.os.RemoteException {
		Log.i(TAG, "registerPassthroughClient with no hwservicemanager");
		}

		@Override
		public boolean unregisterForNotifications(
		String fqName, String name, android.hidl.manager.V1_0.IServiceNotification callback)
		throws android.os.RemoteException {
		Log.i(TAG, "unregisterForNotifications with no hwservicemanager");
		return true;
		}

		/** @hide */
		@Override
		public IHwBinder asBinder() {
		return this;
		public boolean registerClientCallback(
		String fqName,
		String name,
		android.hidl.base.V1_0.IBase server,
		android.hidl.manager.V1_2.IClientCallback cb)
		throws android.os.RemoteException {
		Log.i(
		TAG,
		"registerClientCallback for " + fqName + "/" + name + " with no hwservicemanager");
		return true;
		}

		@Override
		public boolean unregisterClientCallback(
		android.hidl.base.V1_0.IBase server, android.hidl.manager.V1_2.IClientCallback cb)
		throws android.os.RemoteException {
		Log.i(TAG, "unregisterClientCallback with no hwservicemanager");
		return true;
		}

		@Override
		public boolean addWithChain(
		String name, android.hidl.base.V1_0.IBase service, java.util.ArrayList<String> chain)
		throws android.os.RemoteException {
		Log.i(TAG, "addWithChain with no hwservicemanager");
		return true;
		}

		@Override
		public java.util.ArrayList<String> listManifestByInterface(String fqName)
		throws android.os.RemoteException {
		Log.i(TAG, "listManifestByInterface for " + fqName + " with no hwservicemanager");
		return new ArrayList<String>();
		}

		@Override
		public boolean tryUnregister(String fqName, String name, android.hidl.base.V1_0.IBase service)
		throws android.os.RemoteException {
		Log.i(TAG, "tryUnregister for " + fqName + "/" + name + " with no hwservicemanager");
		return true;
		}
		}

core/jni/android_os_HwBinder.cpp

+53 −8

Original line number	Diff line number	Diff line
		@@ -258,14 +258,59 @@ static void JHwBinder_native_setup(JNIEnv *env, jobject thiz) {
		JHwBinder::SetNativeContext(env, thiz, context);
		}

		static void JHwBinder_native_transact(
		JNIEnv * /* env */,
		jobject /* thiz */,
		jint /* code */,
		jobject /* requestObj */,
		jobject /* replyObj */,
		jint /* flags */) {
		CHECK(!"Should not be here");
		static void JHwBinder_native_transact(JNIEnv *env, jobject thiz, jint code, jobject requestObj,
		jobject replyObj, jint flags) {
		if (requestObj == NULL) {
		jniThrowException(env, "java/lang/NullPointerException", NULL);
		return;
		}
		sp<hardware::IBinder> binder = JHwBinder::GetNativeBinder(env, thiz);
		sp<android::hidl::base::V1_0::IBase> base = new android::hidl::base::V1_0::BpHwBase(binder);
		hidl_string desc;
		auto ret = base->interfaceDescriptor(
		[&desc](const hidl_string &descriptor) { desc = descriptor; });
		ret.assertOk();
		// Only the fake hwservicemanager is allowed to be used locally like this.
		if (desc != "android.hidl.manager@1.2::IServiceManager" &&
		desc != "android.hidl.manager@1.1::IServiceManager" &&
		desc != "android.hidl.manager@1.0::IServiceManager") {
		LOG(FATAL) << "Local binders are not supported!";
		}
		if (replyObj == nullptr) {
		LOG(FATAL) << "Unexpected null replyObj. code: " << code;
		return;
		}
		const hardware::Parcel *request = JHwParcel::GetNativeContext(env, requestObj)->getParcel();
		sp<JHwParcel> replyContext = JHwParcel::GetNativeContext(env, replyObj);
		hardware::Parcel *reply = replyContext->getParcel();

		request->setDataPosition(0);

		bool isOneway = (flags & IBinder::FLAG_ONEWAY) != 0;
		if (!isOneway) {
		replyContext->setTransactCallback([](auto &replyParcel) {});
		}

		env->CallVoidMethod(thiz, gFields.onTransactID, code, requestObj, replyObj, flags);

		if (env->ExceptionCheck()) {
		jthrowable excep = env->ExceptionOccurred();
		env->ExceptionDescribe();
		env->ExceptionClear();

		binder_report_exception(env, excep, "Uncaught error or exception in hwbinder!");

		env->DeleteLocalRef(excep);
		}

		if (!isOneway) {
		if (!replyContext->wasSent()) {
		// The implementation never finished the transaction.
		LOG(ERROR) << "The reply failed to send!";
		}
		}

		reply->setDataPosition(0);
		}

		static void JHwBinder_native_registerService(