1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.os;
18
19import java.util.ArrayList;
20import java.util.NoSuchElementException;
21import libcore.util.NativeAllocationRegistry;
22
23/** @hide */
24public abstract class HwBinder implements IHwBinder {
25    private static final String TAG = "HwBinder";
26
27    private static final NativeAllocationRegistry sNativeRegistry;
28
29    public HwBinder() {
30        native_setup();
31
32        sNativeRegistry.registerNativeAllocation(
33                this,
34                mNativeContext);
35    }
36
37    @Override
38    public final native void transact(
39            int code, HwParcel request, HwParcel reply, int flags)
40        throws RemoteException;
41
42    public abstract void onTransact(
43            int code, HwParcel request, HwParcel reply, int flags)
44        throws RemoteException;
45
46    public native final void registerService(String serviceName)
47        throws RemoteException;
48
49    public static native final IHwBinder getService(
50            String iface,
51            String serviceName)
52        throws RemoteException, NoSuchElementException;
53
54    // Returns address of the "freeFunction".
55    private static native final long native_init();
56
57    private native final void native_setup();
58
59    static {
60        long freeFunction = native_init();
61
62        sNativeRegistry = new NativeAllocationRegistry(
63                HwBinder.class.getClassLoader(),
64                freeFunction,
65                128 /* size */);
66    }
67
68    private long mNativeContext;
69}
70