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//
// 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 UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
#define UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
#include <base/macros.h>
namespace chromeos_update_engine {
enum class NetworkConnectionType {
kEthernet,
kWifi,
kWimax,
kBluetooth,
kCellular,
kUnknown
};
enum class NetworkTethering {
kNotDetected,
kSuspected,
kConfirmed,
kUnknown
};
// This class exposes a generic interface to the connection manager
// (e.g FlimFlam, Shill, etc.) to consolidate all connection-related
// logic in update_engine.
class ConnectionManagerInterface {
public:
virtual ~ConnectionManagerInterface() = default;
// Populates |out_type| with the type of the network connection
// that we are currently connected and |out_tethering| with the estimate of
// whether that network is being tethered.
virtual bool GetConnectionProperties(NetworkConnectionType* out_type,
NetworkTethering* out_tethering) = 0;
// Returns true if we're allowed to update the system when we're
// connected to the internet through the given network connection type and the
// given tethering state.
virtual bool IsUpdateAllowedOver(NetworkConnectionType type,
NetworkTethering tethering) const = 0;
protected:
ConnectionManagerInterface() = default;
private:
DISALLOW_COPY_AND_ASSIGN(ConnectionManagerInterface);
};
} // namespace chromeos_update_engine
#endif // UPDATE_ENGINE_CONNECTION_MANAGER_INTERFACE_H_
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