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// Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_REAL_SYSTEM_STATE_H_
#define CHROMEOS_PLATFORM_UPDATE_ENGINE_REAL_SYSTEM_STATE_H_
#include <update_engine/system_state.h>
#include <update_engine/connection_manager.h>
#include <update_engine/gpio_handler.h>
#include <update_engine/payload_state.h>
#include <update_engine/prefs.h>
#include <update_engine/update_attempter.h>
namespace chromeos_update_engine {
// A real implementation of the SystemStateInterface which is
// used by the actual product code.
class RealSystemState : public SystemState {
public:
// Constructors and destructors.
RealSystemState();
virtual ~RealSystemState() {}
virtual bool IsOOBEComplete();
virtual inline void set_device_policy(
const policy::DevicePolicy* device_policy) {
device_policy_ = device_policy;
}
virtual inline const policy::DevicePolicy* device_policy() const {
return device_policy_;
}
virtual inline ConnectionManager* connection_manager() {
return &connection_manager_;
}
virtual inline MetricsLibraryInterface* metrics_lib() {
return &metrics_lib_;
}
virtual inline PrefsInterface* prefs() {
return &prefs_;
}
virtual inline PayloadStateInterface* payload_state() {
return &payload_state_;
}
virtual inline GpioHandler* gpio_handler() const {
return gpio_handler_.get();
}
virtual inline UpdateAttempter* update_attempter() {
return update_attempter_.get();
}
// Returns a pointer to the object that stores the parameters that are
// common to all Omaha requests.
virtual inline OmahaRequestParams* request_params() {
return &request_params_;
}
// Initializes this concrete object. Other methods should be invoked only
// if the object has been initialized successfully.
bool Initialize(bool enable_gpio);
private:
// The latest device policy object from the policy provider.
const policy::DevicePolicy* device_policy_;
// The connection manager object that makes download
// decisions depending on the current type of connection.
ConnectionManager connection_manager_;
// The Metrics Library interface for reporting UMA stats.
MetricsLibrary metrics_lib_;
// Interface for persisted store.
Prefs prefs_;
// All state pertaining to payload state such as
// response, URL, backoff states.
PayloadState payload_state_;
// Pointer to a GPIO handler and other needed modules (note that the order of
// declaration significant for destruction, as the latter depends on the
// former).
scoped_ptr<UdevInterface> udev_iface_;
scoped_ptr<FileDescriptor> file_descriptor_;
scoped_ptr<GpioHandler> gpio_handler_;
// The dbus object used to initialize the update attempter.
ConcreteDbusGlib dbus_;
// Pointer to the update attempter object.
scoped_ptr<UpdateAttempter> update_attempter_;
// Common parameters for all Omaha requests.
OmahaRequestParams request_params_;
};
} // namespace chromeos_update_engine
#endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_REAL_SYSTEM_STATE_H_