//
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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 UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
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#define UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
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#include <memory>
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#include <base/macros.h>
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#include "update_engine/connection_utils.h"
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namespace chromeos_update_engine {
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class SystemState;
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// This class exposes a generic interface to the connection manager
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// (e.g FlimFlam, Shill, etc.) to consolidate all connection-related
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// logic in update_engine.
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class ConnectionManagerInterface {
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public:
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virtual ~ConnectionManagerInterface() = default;
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// Populates |out_type| with the type of the network connection
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// that we are currently connected and |out_tethering| with the estimate of
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// whether that network is being tethered.
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virtual bool GetConnectionProperties(ConnectionType* out_type,
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ConnectionTethering* out_tethering) = 0;
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// Returns true if we're allowed to update the system when we're
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// connected to the internet through the given network connection type and the
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// given tethering state.
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virtual bool IsUpdateAllowedOver(ConnectionType type,
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ConnectionTethering tethering) const = 0;
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// Returns true if the allowed connection types for update is set in the
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// device policy. Otherwise, returns false.
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virtual bool IsAllowedConnectionTypesForUpdateSet() const = 0;
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protected:
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ConnectionManagerInterface() = default;
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private:
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DISALLOW_COPY_AND_ASSIGN(ConnectionManagerInterface);
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};
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namespace connection_manager {
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// Factory function which creates a ConnectionManager.
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std::unique_ptr<ConnectionManagerInterface> CreateConnectionManager(
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SystemState* system_state);
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} // namespace connection_manager
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} // namespace chromeos_update_engine
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#endif // UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
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