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      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 
     51     static void instantiate() { publish(); }
     52 
     53     static status_t shutdown() { return NO_ERROR; }
     54 
     55 private:
     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