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 <binder/IPermissionController.h>
23 #include <utils/Vector.h>
24 #include <utils/String16.h>
25
26 namespace android {
27
28 // ----------------------------------------------------------------------
29
30 class IServiceManager : public IInterface
31 {
32 public:
33 DECLARE_META_INTERFACE(ServiceManager);
34
35 /**
36 * Retrieve an existing service, blocking for a few seconds
37 * if it doesn't yet exist.
38 */
39 virtual sp<IBinder> getService( const String16& name) const = 0;
40
41 /**
42 * Retrieve an existing service, non-blocking.
43 */
44 virtual sp<IBinder> checkService( const String16& name) const = 0;
45
46 /**
47 * Register a service.
48 */
49 virtual status_t addService( const String16& name,
50 const sp<IBinder>& service,
51 bool allowIsolated = false) = 0;
52
53 /**
54 * Return list of all existing services.
55 */
56 virtual Vector<String16> listServices() = 0;
57
58 enum {
59 GET_SERVICE_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION,
60 CHECK_SERVICE_TRANSACTION,
61 ADD_SERVICE_TRANSACTION,
62 LIST_SERVICES_TRANSACTION,
63 };
64 };
65
66 sp<IServiceManager> defaultServiceManager();
67
68 template<typename INTERFACE>
getService(const String16 & name,sp<INTERFACE> * outService)69 status_t getService(const String16& name, sp<INTERFACE>* outService)
70 {
71 const sp<IServiceManager> sm = defaultServiceManager();
72 if (sm != NULL) {
73 *outService = interface_cast<INTERFACE>(sm->getService(name));
74 if ((*outService) != NULL) return NO_ERROR;
75 }
76 return NAME_NOT_FOUND;
77 }
78
79 bool checkCallingPermission(const String16& permission);
80 bool checkCallingPermission(const String16& permission,
81 int32_t* outPid, int32_t* outUid);
82 bool checkPermission(const String16& permission, pid_t pid, uid_t uid);
83
84 }; // namespace android
85
86 #endif // ANDROID_ISERVICE_MANAGER_H
87
88