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 19a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackbornimport java.util.ArrayList; 20a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Native implementation of the service manager. Most clients will only 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * care about getDefault() and possibly asInterface(). 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic abstract class ServiceManagerNative extends Binder implements IServiceManager 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Cast a Binder object into a service manager interface, generating 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a proxy if needed. 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public IServiceManager asInterface(IBinder obj) 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (obj == null) { 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IServiceManager in = 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (IServiceManager)obj.queryLocalInterface(descriptor); 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (in != null) { 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return in; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return new ServiceManagerProxy(obj); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ServiceManagerNative() 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project attachInterface(this, descriptor); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean onTransact(int code, Parcel data, Parcel reply, int flags) 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (code) { 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.GET_SERVICE_TRANSACTION: { 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = data.readString(); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder service = getService(name); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.writeStrongBinder(service); 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.CHECK_SERVICE_TRANSACTION: { 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = data.readString(); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder service = checkService(name); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.writeStrongBinder(service); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.ADD_SERVICE_TRANSACTION: { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = data.readString(); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder service = data.readStrongBinder(); 76a573f6a1d9b12393fbdfd2c0850499973849854bDianne Hackborn boolean allowIsolated = data.readInt() != 0; 77a573f6a1d9b12393fbdfd2c0850499973849854bDianne Hackborn addService(name, service, allowIsolated); 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.LIST_SERVICES_TRANSACTION: { 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String[] list = listServices(); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.writeStringArray(list); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case IServiceManager.SET_PERMISSION_CONTROLLER_TRANSACTION: { 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.enforceInterface(IServiceManager.descriptor); 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IPermissionController controller 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project = IPermissionController.Stub.asInterface( 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.readStrongBinder()); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project setPermissionController(controller); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (RemoteException e) { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder asBinder() 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return this; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass ServiceManagerProxy implements IServiceManager { 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ServiceManagerProxy(IBinder remote) { 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote = remote; 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder asBinder() { 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mRemote; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder getService(String name) throws RemoteException { 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeString(name); 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(GET_SERVICE_TRANSACTION, data, reply, 0); 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder binder = reply.readStrongBinder(); 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return binder; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public IBinder checkService(String name) throws RemoteException { 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeString(name); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(CHECK_SERVICE_TRANSACTION, data, reply, 0); 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project IBinder binder = reply.readStrongBinder(); 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return binder; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 142a573f6a1d9b12393fbdfd2c0850499973849854bDianne Hackborn public void addService(String name, IBinder service, boolean allowIsolated) 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws RemoteException { 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeString(name); 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeStrongBinder(service); 149a573f6a1d9b12393fbdfd2c0850499973849854bDianne Hackborn data.writeInt(allowIsolated ? 1 : 0); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(ADD_SERVICE_TRANSACTION, data, reply, 0); 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String[] listServices() throws RemoteException { 156a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn ArrayList<String> services = new ArrayList<String>(); 157a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn int n = 0; 158a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn while (true) { 159a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn Parcel data = Parcel.obtain(); 160a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn Parcel reply = Parcel.obtain(); 161a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn data.writeInterfaceToken(IServiceManager.descriptor); 162a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn data.writeInt(n); 163a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn n++; 164a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn try { 165a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn boolean res = mRemote.transact(LIST_SERVICES_TRANSACTION, data, reply, 0); 166a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn if (!res) { 167a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn break; 168a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn } 169a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn } catch (RuntimeException e) { 170a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn // The result code that is returned by the C++ code can 171a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn // cause the call to throw an exception back instead of 172a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn // returning a nice result... so eat it here and go on. 173a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn break; 174a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn } 175a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn services.add(reply.readString()); 176a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn reply.recycle(); 177a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn data.recycle(); 178a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn } 179a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn String[] array = new String[services.size()]; 180a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn services.toArray(array); 181a53de0629f3b94472c0f160f5bbe1090b020feabDianne Hackborn return array; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPermissionController(IPermissionController controller) 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws RemoteException { 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel data = Parcel.obtain(); 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parcel reply = Parcel.obtain(); 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeInterfaceToken(IServiceManager.descriptor); 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.writeStrongBinder(controller.asBinder()); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRemote.transact(SET_PERMISSION_CONTROLLER_TRANSACTION, data, reply, 0); 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project reply.recycle(); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project data.recycle(); 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private IBinder mRemote; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 197