1// 2// Copyright (C) 2012 The Android Open Source Project 3// 4// Licensed under the Apache License, Version 2.0 (the "License"); 5// you may not use this file except in compliance with the License. 6// You may obtain a copy of the License at 7// 8// http://www.apache.org/licenses/LICENSE-2.0 9// 10// Unless required by applicable law or agreed to in writing, software 11// distributed under the License is distributed on an "AS IS" BASIS, 12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13// See the License for the specific language governing permissions and 14// limitations under the License. 15// 16 17#ifndef SHILL_VIRTUAL_DEVICE_H_ 18#define SHILL_VIRTUAL_DEVICE_H_ 19 20#include <string> 21 22#include <base/macros.h> 23 24#include "shill/device.h" 25#include "shill/ipconfig.h" 26#include "shill/service.h" 27#include "shill/technology.h" 28 29namespace shill { 30 31class StorageInterface; 32 33// A VirtualDevice represents a device that doesn't provide its own 34// physical layer. This includes, e.g., tunnel interfaces used for 35// OpenVPN, and PPP devices used for L2TPIPSec and 3G PPP dongles. 36// (PPP devices are represented via the PPPDevice subclass.) 37class VirtualDevice : public Device { 38 public: 39 VirtualDevice(ControlInterface* control, 40 EventDispatcher* dispatcher, 41 Metrics* metrics, 42 Manager* manager, 43 const std::string& link_name, 44 int interface_index, 45 Technology::Identifier technology); 46 ~VirtualDevice() override; 47 48 bool Load(StoreInterface* storage) override; 49 bool Save(StoreInterface* storage) override; 50 51 void Start(Error* error, 52 const EnabledStateChangedCallback& callback) override; 53 void Stop(Error* error, 54 const EnabledStateChangedCallback& callback) override; 55 56 virtual void UpdateIPConfig(const IPConfig::Properties& properties); 57 58 // Expose protected device methods to manager of this device. 59 // (E.g. Cellular, L2TPIPSecDriver, OpenVPNDriver.) 60 void DropConnection() override; 61 virtual void SelectService(const ServiceRefPtr& service); 62 void SetServiceState(Service::ConnectState state) override; 63 void SetServiceFailure(Service::ConnectFailure failure_state) override; 64 void SetServiceFailureSilent(Service::ConnectFailure failure_state) override; 65 66 private: 67 DISALLOW_COPY_AND_ASSIGN(VirtualDevice); 68}; 69 70} // namespace shill 71 72#endif // SHILL_VIRTUAL_DEVICE_H_ 73