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49 lines
1.6 KiB
49 lines
1.6 KiB
// |
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// Copyright (C) 2016 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 UPDATE_ENGINE_DAEMON_STATE_INTERFACE_H_ |
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#define UPDATE_ENGINE_DAEMON_STATE_INTERFACE_H_ |
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#include "update_engine/service_observer_interface.h" |
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#include <memory> |
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#include <set> |
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namespace chromeos_update_engine { |
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class DaemonStateInterface { |
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public: |
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virtual ~DaemonStateInterface() = default; |
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// Start the daemon loop. Should be called only once to start the daemon's |
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// main functionality. |
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virtual bool StartUpdater() = 0; |
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// Add and remove an observer. All the registered observers will be called |
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// whenever there's a new status to update. |
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virtual void AddObserver(ServiceObserverInterface* observer) = 0; |
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virtual void RemoveObserver(ServiceObserverInterface* observer) = 0; |
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// Return the set of current observers. |
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virtual const std::set<ServiceObserverInterface*>& service_observers() = 0; |
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protected: |
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DaemonStateInterface() = default; |
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}; |
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} // namespace chromeos_update_engine |
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#endif // UPDATE_ENGINE_DAEMON_STATE_INTERFACE_H_
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