1 /* 2 * Copyright (C) 2005 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 // 18 #ifndef ANDROID_ISERVICE_MANAGER_H 19 #define ANDROID_ISERVICE_MANAGER_H 20 21 #include <binder/IInterface.h> 22 #include <utils/Vector.h> 23 #include <utils/String16.h> 24 25 namespace android { 26 27 // ---------------------------------------------------------------------- 28 29 class IServiceManager : public IInterface 30 { 31 public: 32 DECLARE_META_INTERFACE(ServiceManager) 33 /** 34 * Must match values in IServiceManager.java 35 */ 36 /* Allows services to dump sections according to priorities. */ 37 static const int DUMP_FLAG_PRIORITY_CRITICAL = 1 << 0; 38 static const int DUMP_FLAG_PRIORITY_HIGH = 1 << 1; 39 static const int DUMP_FLAG_PRIORITY_NORMAL = 1 << 2; 40 /** 41 * Services are by default registered with a DEFAULT dump priority. DEFAULT priority has the 42 * same priority as NORMAL priority but the services are not called with dump priority 43 * arguments. 44 */ 45 static const int DUMP_FLAG_PRIORITY_DEFAULT = 1 << 3; 46 static const int DUMP_FLAG_PRIORITY_ALL = DUMP_FLAG_PRIORITY_CRITICAL | 47 DUMP_FLAG_PRIORITY_HIGH | DUMP_FLAG_PRIORITY_NORMAL | DUMP_FLAG_PRIORITY_DEFAULT; 48 static const int DUMP_FLAG_PROTO = 1 << 4; 49 50 /** 51 * Retrieve an existing service, blocking for a few seconds 52 * if it doesn't yet exist. 53 */ 54 virtual sp<IBinder> getService( const String16& name) const = 0; 55 56 /** 57 * Retrieve an existing service, non-blocking. 58 */ 59 virtual sp<IBinder> checkService( const String16& name) const = 0; 60 61 /** 62 * Register a service. 63 */ 64 virtual status_t addService(const String16& name, const sp<IBinder>& service, 65 bool allowIsolated = false, 66 int dumpsysFlags = DUMP_FLAG_PRIORITY_DEFAULT) = 0; 67 68 /** 69 * Return list of all existing services. 70 */ 71 virtual Vector<String16> listServices(int dumpsysFlags = DUMP_FLAG_PRIORITY_ALL) = 0; 72 73 enum { 74 GET_SERVICE_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION, 75 CHECK_SERVICE_TRANSACTION, 76 ADD_SERVICE_TRANSACTION, 77 LIST_SERVICES_TRANSACTION, 78 }; 79 }; 80 81 sp<IServiceManager> defaultServiceManager(); 82 83 template<typename INTERFACE> 84 status_t getService(const String16& name, sp<INTERFACE>* outService) 85 { 86 const sp<IServiceManager> sm = defaultServiceManager(); 87 if (sm != NULL) { 88 *outService = interface_cast<INTERFACE>(sm->getService(name)); 89 if ((*outService) != NULL) return NO_ERROR; 90 } 91 return NAME_NOT_FOUND; 92 } 93 94 bool checkCallingPermission(const String16& permission); 95 bool checkCallingPermission(const String16& permission, 96 int32_t* outPid, int32_t* outUid); 97 bool checkPermission(const String16& permission, pid_t pid, uid_t uid); 98 99 }; // namespace android 100 101 #endif // ANDROID_ISERVICE_MANAGER_H 102 103