Initial commit of Java support for hardware binder (7f5fcaba) · Commits · e / os / android_frameworks_base

core/java/android/os/HwBinder.java

0 → 100644

+59 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.os;

		import libcore.util.NativeAllocationRegistry;

		/** @hide */
		public abstract class HwBinder implements IHwBinder {
		private static final String TAG = "HwBinder";

		private static final NativeAllocationRegistry sNativeRegistry;

		public HwBinder() {
		native_setup();

		sNativeRegistry.registerNativeAllocation(
		this,
		mNativeContext);
		}

		public final native void transact(
		int code, HwParcel request, HwParcel reply, int flags);

		public abstract void onTransact(
		int code, HwParcel request, HwParcel reply, int flags);

		public native final void registerService(String serviceName);
		public static native final IHwBinder getService(String serviceName);

		// Returns address of the "freeFunction".
		private static native final long native_init();

		private native final void native_setup();

		static {
		long freeFunction = native_init();

		sNativeRegistry = new NativeAllocationRegistry(
		HwBinder.class.getClassLoader(),
		freeFunction,
		128 /* size */);
		}

		private long mNativeContext;
		}

core/java/android/os/HwParcel.java

0 → 100644

+120 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.os;

		import libcore.util.NativeAllocationRegistry;

		/** @hide */
		public class HwParcel {
		private static final String TAG = "HwParcel";

		public static final int STATUS_SUCCESS = 0;
		public static final int STATUS_ERROR = -1;

		private static final NativeAllocationRegistry sNativeRegistry;

		private HwParcel(boolean allocate) {
		native_setup(allocate);

		sNativeRegistry.registerNativeAllocation(
		this,
		mNativeContext);
		}

		public HwParcel() {
		native_setup(true /* allocate */);

		sNativeRegistry.registerNativeAllocation(
		this,
		mNativeContext);
		}

		public native final void writeInterfaceToken(String interfaceName);
		public native final void writeInt8(byte val);
		public native final void writeInt16(short val);
		public native final void writeInt32(int val);
		public native final void writeInt64(long val);
		public native final void writeFloat(float val);
		public native final void writeDouble(double val);
		public native final void writeString(String val);

		public native final void writeInt8Array(int size, byte[] val);
		public native final void writeInt8Vector(byte[] val);
		public native final void writeInt16Array(int size, short[] val);
		public native final void writeInt16Vector(short[] val);
		public native final void writeInt32Array(int size, int[] val);
		public native final void writeInt32Vector(int[] val);
		public native final void writeInt64Array(int size, long[] val);
		public native final void writeInt64Vector(long[] val);
		public native final void writeFloatArray(int size, float[] val);
		public native final void writeFloatVector(float[] val);
		public native final void writeDoubleArray(int size, double[] val);
		public native final void writeDoubleVector(double[] val);
		public native final void writeStringArray(int size, String[] val);
		public native final void writeStringVector(String[] val);

		public native final void writeStrongBinder(IHwBinder binder);

		public native final void enforceInterface(String interfaceName);
		public native final byte readInt8();
		public native final short readInt16();
		public native final int readInt32();
		public native final long readInt64();
		public native final float readFloat();
		public native final double readDouble();
		public native final String readString();

		public native final byte[] readInt8Array(int size);
		public native final byte[] readInt8Vector();
		public native final short[] readInt16Array(int size);
		public native final short[] readInt16Vector();
		public native final int[] readInt32Array(int size);
		public native final int[] readInt32Vector();
		public native final long[] readInt64Array(int size);
		public native final long[] readInt64Vector();
		public native final float[] readFloatArray(int size);
		public native final float[] readFloatVector();
		public native final double[] readDoubleArray(int size);
		public native final double[] readDoubleVector();
		public native final String[] readStringArray(int size);
		public native final String[] readStringVector();

		public native final IHwBinder readStrongBinder();

		public native final void writeStatus(int status);
		public native final void verifySuccess();
		public native final void releaseTemporaryStorage();

		public native final void send();

		// Returns address of the "freeFunction".
		private static native final long native_init();

		private native final void native_setup(boolean allocate);

		static {
		long freeFunction = native_init();

		sNativeRegistry = new NativeAllocationRegistry(
		HwParcel.class.getClassLoader(),
		freeFunction,
		128 /* size */);
		}

		private long mNativeContext;
		}

core/java/android/os/HwRemoteBinder.java

0 → 100644

+56 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.os;

		import libcore.util.NativeAllocationRegistry;

		/** @hide */
		public class HwRemoteBinder implements IHwBinder {
		private static final String TAG = "HwRemoteBinder";

		private static final NativeAllocationRegistry sNativeRegistry;

		public HwRemoteBinder() {
		native_setup_empty();

		sNativeRegistry.registerNativeAllocation(
		this,
		mNativeContext);
		}

		public IHwInterface queryLocalInterface(String descriptor) {
		return null;
		}

		public native final void transact(
		int code, HwParcel request, HwParcel reply, int flags);

		private static native final long native_init();

		private native final void native_setup_empty();

		static {
		long freeFunction = native_init();

		sNativeRegistry = new NativeAllocationRegistry(
		HwRemoteBinder.class.getClassLoader(),
		freeFunction,
		128 /* size */);
		}

		private long mNativeContext;
		}

core/java/android/os/IHwBinder.java

0 → 100644

+28 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.os;

		/** @hide */
		public interface IHwBinder {
		// MUST match libhwbinder/IBinder.h definition !!!
		public static final int FIRST_CALL_TRANSACTION = 1;

		public void transact(
		int code, HwParcel request, HwParcel reply, int flags);

		public IHwInterface queryLocalInterface(String descriptor);
		}

core/java/android/os/IHwInterface.java

0 → 100644

+22 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2016 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package android.os;

		/** @hide */
		public interface IHwInterface {
		public IHwBinder asBinder();
		}