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 17 package android.os; 18 19 import java.util.ArrayList; 20 import java.util.NoSuchElementException; 21 import libcore.util.NativeAllocationRegistry; 22 23 /** @hide */ 24 public abstract class HwBinder implements IHwBinder { 25 private static final String TAG = "HwBinder"; 26 27 private static final NativeAllocationRegistry sNativeRegistry; 28 HwBinder()29 public HwBinder() { 30 native_setup(); 31 32 sNativeRegistry.registerNativeAllocation( 33 this, 34 mNativeContext); 35 } 36 37 @Override transact( int code, HwParcel request, HwParcel reply, int flags)38 public final native void transact( 39 int code, HwParcel request, HwParcel reply, int flags) 40 throws RemoteException; 41 onTransact( int code, HwParcel request, HwParcel reply, int flags)42 public abstract void onTransact( 43 int code, HwParcel request, HwParcel reply, int flags) 44 throws RemoteException; 45 registerService(String serviceName)46 public native final void registerService(String serviceName) 47 throws RemoteException; 48 getService( String iface, String serviceName)49 public static native final IHwBinder getService( 50 String iface, 51 String serviceName) 52 throws RemoteException, NoSuchElementException; 53 configureRpcThreadpool( long maxThreads, boolean callerWillJoin)54 public static native final void configureRpcThreadpool( 55 long maxThreads, boolean callerWillJoin); 56 joinRpcThreadpool()57 public static native final void joinRpcThreadpool(); 58 59 // Returns address of the "freeFunction". native_init()60 private static native final long native_init(); 61 native_setup()62 private native final void native_setup(); 63 64 static { 65 long freeFunction = native_init(); 66 67 sNativeRegistry = new NativeAllocationRegistry( 68 HwBinder.class.getClassLoader(), 69 freeFunction, 70 128 /* size */); 71 } 72 73 private long mNativeContext; 74 } 75