You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.6 KiB
51 lines
1.6 KiB
4 months ago
|
//
|
||
|
|
// Copyright (C) 2016 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 UPDATE_ENGINE_COMMON_DAEMON_STATE_INTERFACE_H_
|
||
|
|
#define UPDATE_ENGINE_COMMON_DAEMON_STATE_INTERFACE_H_
|
||
|
|
|
||
|
|
#include "update_engine/common/service_observer_interface.h"
|
||
|
|
|
||
|
|
#include <set>
|
||
|
|
|
||
|
|
namespace chromeos_update_engine {
|
||
|
|
|
||
|
|
class DaemonStateInterface {
|
||
|
|
public:
|
||
|
|
virtual ~DaemonStateInterface() = default;
|
||
|
|
|
||
|
|
// Start the daemon loop. Should be called only once to start the daemon's
|
||
|
|
// main functionality.
|
||
|
|
virtual bool StartUpdater() = 0;
|
||
|
|
|
||
|
|
// Add and remove an observer. All the registered observers will be called
|
||
|
|
// whenever there's a new status to update.
|
||
|
|
virtual void AddObserver(ServiceObserverInterface* observer) = 0;
|
||
|
|
virtual void RemoveObserver(ServiceObserverInterface* observer) = 0;
|
||
|
|
|
||
|
|
// Return the set of current observers.
|
||
|
|
virtual const std::set<ServiceObserverInterface*>& service_observers() = 0;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
DaemonStateInterface() = default;
|
||
|
|
|
||
|
|
DISALLOW_COPY_AND_ASSIGN(DaemonStateInterface);
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace chromeos_update_engine
|
||
|
|
|
||
|
|
#endif // UPDATE_ENGINE_COMMON_DAEMON_STATE_INTERFACE_H_
|