1 /*
2  * Copyright (C) 2010 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 #ifndef ANDROID_BINDER_SERVICE_H
18 #define ANDROID_BINDER_SERVICE_H
19 
20 #include <stdint.h>
21 
22 #include <utils/Errors.h>
23 #include <utils/String16.h>
24 
25 #include <binder/IServiceManager.h>
26 #include <binder/IPCThreadState.h>
27 #include <binder/ProcessState.h>
28 #include <binder/IServiceManager.h>
29 
30 // ---------------------------------------------------------------------------
31 namespace android {
32 
33 template<typename SERVICE>
34 class BinderService
35 {
36 public:
37     static status_t publish(bool allowIsolated = false,
38                             int dumpFlags = IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT) {
39         sp<IServiceManager> sm(defaultServiceManager());
40         return sm->addService(String16(SERVICE::getServiceName()), new SERVICE(), allowIsolated,
41                               dumpFlags);
42     }
43 
44     static void publishAndJoinThreadPool(
45             bool allowIsolated = false,
46             int dumpFlags = IServiceManager::DUMP_FLAG_PRIORITY_DEFAULT) {
47         publish(allowIsolated, dumpFlags);
48         joinThreadPool();
49     }
50 
instantiate()51     static void instantiate() { publish(); }
52 
shutdown()53     static status_t shutdown() { return NO_ERROR; }
54 
55 private:
joinThreadPool()56     static void joinThreadPool() {
57         sp<ProcessState> ps(ProcessState::self());
58         ps->startThreadPool();
59         ps->giveThreadPoolName();
60         IPCThreadState::self()->joinThreadPool();
61     }
62 };
63 
64 
65 }; // namespace android
66 // ---------------------------------------------------------------------------
67 #endif // ANDROID_BINDER_SERVICE_H
68