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