| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SYSTEM_NATIVEPOWER_DAEMON_WAKE_LOCK_MANAGER_H_ |
| #define SYSTEM_NATIVEPOWER_DAEMON_WAKE_LOCK_MANAGER_H_ |
| |
| #include <sys/types.h> |
| |
| #include <map> |
| #include <string> |
| |
| #include <base/files/file_path.h> |
| #include <base/macros.h> |
| #include <base/time/time.h> |
| #include <utils/StrongPointer.h> |
| |
| namespace android { |
| |
| class IBinder; |
| |
| class WakeLockManagerInterface { |
| public: |
| WakeLockManagerInterface() {} |
| virtual ~WakeLockManagerInterface() {} |
| |
| virtual bool AddRequest(sp<IBinder> client_binder, |
| const std::string& tag, |
| const std::string& package, |
| uid_t uid) = 0; |
| virtual bool RemoveRequest(sp<IBinder> client_binder) = 0; |
| |
| protected: |
| // Information about a request from a client. |
| struct Request { |
| Request(const std::string& tag, const std::string& package, uid_t uid); |
| Request(const Request& request); |
| Request(); |
| |
| std::string tag; |
| std::string package; |
| uid_t uid; |
| }; |
| }; |
| |
| class WakeLockManager : public WakeLockManagerInterface { |
| public: |
| // Name of the kernel wake lock created by this class. |
| static const char kLockName[]; |
| |
| WakeLockManager(); |
| ~WakeLockManager() override; |
| |
| void set_paths_for_testing(const base::FilePath& lock_path, |
| const base::FilePath& unlock_path) { |
| lock_path_ = lock_path; |
| unlock_path_ = unlock_path; |
| } |
| |
| bool Init(); |
| |
| // WakeLockManagerInterface: |
| bool AddRequest(sp<IBinder> client_binder, |
| const std::string& tag, |
| const std::string& package, |
| uid_t uid) override; |
| bool RemoveRequest(sp<IBinder> client_binder) override; |
| |
| private: |
| void HandleBinderDeath(sp<IBinder> binder); |
| |
| base::FilePath lock_path_; |
| base::FilePath unlock_path_; |
| |
| // Currently-active requests, keyed by client binders. |
| std::map<sp<IBinder>, Request> requests_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WakeLockManager); |
| }; |
| |
| } // namespace android |
| |
| #endif // SYSTEM_NATIVEPOWER_DAEMON_WAKE_LOCK_MANAGER_H_ |