19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.os; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native implementation of the service manager. Most clients will only 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * care about getDefault() and possibly asInterface(). 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class ServiceManagerNative extends Binder implements IServiceManager 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Cast a Binder object into a service manager interface, generating 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a proxy if needed. 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public IServiceManager asInterface(IBinder obj) 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj == null) { 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IServiceManager in = 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (IServiceManager)obj.queryLocalInterface(descriptor); 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (in != null) { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return in; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new ServiceManagerProxy(obj); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ServiceManagerNative() 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project attachInterface(this, descriptor); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (code) { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.GET_SERVICE_TRANSACTION: { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = data.readString(); 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder service = getService(name); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.writeStrongBinder(service); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.CHECK_SERVICE_TRANSACTION: { 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = data.readString(); 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder service = checkService(name); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.writeStrongBinder(service); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.ADD_SERVICE_TRANSACTION: { 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = data.readString(); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder service = data.readStrongBinder(); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project addService(name, service); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.LIST_SERVICES_TRANSACTION: { 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] list = listServices(); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.writeStringArray(list); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.SET_PERMISSION_CONTROLLER_TRANSACTION: { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPermissionController controller 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = IPermissionController.Stub.asInterface( 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.readStrongBinder()); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPermissionController(controller); 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder asBinder() 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass ServiceManagerProxy implements IServiceManager { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ServiceManagerProxy(IBinder remote) { 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote = remote; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder asBinder() { 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mRemote; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder getService(String name) throws RemoteException { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeString(name); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(GET_SERVICE_TRANSACTION, data, reply, 0); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder binder = reply.readStrongBinder(); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return binder; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder checkService(String name) throws RemoteException { 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeString(name); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(CHECK_SERVICE_TRANSACTION, data, reply, 0); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder binder = reply.readStrongBinder(); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return binder; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addService(String name, IBinder service) 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws RemoteException { 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeString(name); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeStrongBinder(service); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(ADD_SERVICE_TRANSACTION, data, reply, 0); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String[] listServices() throws RemoteException { 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(LIST_SERVICES_TRANSACTION, data, reply, 0); 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] list = reply.readStringArray(); 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return list; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPermissionController(IPermissionController controller) 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws RemoteException { 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeStrongBinder(controller.asBinder()); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(SET_PERMISSION_CONTROLLER_TRANSACTION, data, reply, 0); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IBinder mRemote; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 175