1 /* 2 * Copyright (C) 2006 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 /** 20 * Basic interface for finding and publishing system services. 21 * 22 * An implementation of this interface is usually published as the 23 * global context object, which can be retrieved via 24 * BinderNative.getContextObject(). An easy way to retrieve this 25 * is with the static method BnServiceManager.getDefault(). 26 * 27 * @hide 28 */ 29 public interface IServiceManager extends IInterface 30 { 31 /** 32 * Retrieve an existing service called @a name from the 33 * service manager. Blocks for a few seconds waiting for it to be 34 * published if it does not already exist. 35 */ 36 IBinder getService(String name) throws RemoteException; 37 38 /** 39 * Retrieve an existing service called @a name from the 40 * service manager. Non-blocking. 41 */ 42 IBinder checkService(String name) throws RemoteException; 43 44 /** 45 * Place a new @a service called @a name into the service 46 * manager. 47 */ 48 void addService(String name, IBinder service, boolean allowIsolated, int dumpFlags) 49 throws RemoteException; 50 51 /** 52 * Return a list of all currently running services. 53 */ 54 String[] listServices(int dumpFlags) throws RemoteException; 55 56 /** 57 * Assign a permission controller to the service manager. After set, this 58 * interface is checked before any services are added. 59 */ 60 void setPermissionController(IPermissionController controller) 61 throws RemoteException; 62 63 static final String descriptor = "android.os.IServiceManager"; 64 65 int GET_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION; 66 int CHECK_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+1; 67 int ADD_SERVICE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+2; 68 int LIST_SERVICES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+3; 69 int CHECK_SERVICES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+4; 70 int SET_PERMISSION_CONTROLLER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+5; 71 72 /* 73 * Must update values in IServiceManager.h 74 */ 75 /* Allows services to dump sections according to priorities. */ 76 int DUMP_FLAG_PRIORITY_CRITICAL = 1 << 0; 77 int DUMP_FLAG_PRIORITY_HIGH = 1 << 1; 78 int DUMP_FLAG_PRIORITY_NORMAL = 1 << 2; 79 /** 80 * Services are by default registered with a DEFAULT dump priority. DEFAULT priority has the 81 * same priority as NORMAL priority but the services are not called with dump priority 82 * arguments. 83 */ 84 int DUMP_FLAG_PRIORITY_DEFAULT = 1 << 3; 85 int DUMP_FLAG_PRIORITY_ALL = DUMP_FLAG_PRIORITY_CRITICAL | DUMP_FLAG_PRIORITY_HIGH 86 | DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PRIORITY_DEFAULT; 87 /* Allows services to dump sections in protobuf format. */ 88 int DUMP_FLAG_PROTO = 1 << 4; 89 90 } 91
