186 lines
7.8 KiB
C++
186 lines
7.8 KiB
C++
//
|
|
// Copyright (C) 2010 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_DBUS_SERVICE_H_
|
|
#define UPDATE_ENGINE_DBUS_SERVICE_H_
|
|
|
|
#include <inttypes.h>
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include <base/memory/ref_counted.h>
|
|
#include <brillo/errors/error.h>
|
|
|
|
#include "update_engine/common_service.h"
|
|
#include "update_engine/service_observer_interface.h"
|
|
#include "update_engine/update_attempter.h"
|
|
|
|
#include "dbus_bindings/org.chromium.UpdateEngineInterface.h"
|
|
|
|
namespace chromeos_update_engine {
|
|
|
|
class DBusUpdateEngineService
|
|
: public org::chromium::UpdateEngineInterfaceInterface {
|
|
public:
|
|
explicit DBusUpdateEngineService(SystemState* system_state);
|
|
virtual ~DBusUpdateEngineService() = default;
|
|
|
|
// Implementation of org::chromium::UpdateEngineInterfaceInterface.
|
|
bool AttemptUpdate(brillo::ErrorPtr* error,
|
|
const std::string& in_app_version,
|
|
const std::string& in_omaha_url) override;
|
|
|
|
bool AttemptUpdateWithFlags(brillo::ErrorPtr* error,
|
|
const std::string& in_app_version,
|
|
const std::string& in_omaha_url,
|
|
int32_t in_flags_as_int) override;
|
|
|
|
bool AttemptRollback(brillo::ErrorPtr* error, bool in_powerwash) override;
|
|
|
|
// Checks if the system rollback is available by verifying if the secondary
|
|
// system partition is valid and bootable.
|
|
bool CanRollback(brillo::ErrorPtr* error, bool* out_can_rollback) override;
|
|
|
|
// Resets the status of the update_engine to idle, ignoring any applied
|
|
// update. This is used for development only.
|
|
bool ResetStatus(brillo::ErrorPtr* error) override;
|
|
|
|
// Returns the current status of the Update Engine. If an update is in
|
|
// progress, the number of operations, size to download and overall progress
|
|
// is reported.
|
|
bool GetStatus(brillo::ErrorPtr* error,
|
|
int64_t* out_last_checked_time,
|
|
double* out_progress,
|
|
std::string* out_current_operation,
|
|
std::string* out_new_version,
|
|
int64_t* out_new_size) override;
|
|
|
|
// Reboots the device if an update is applied and a reboot is required.
|
|
bool RebootIfNeeded(brillo::ErrorPtr* error) override;
|
|
|
|
// Changes the current channel of the device to the target channel. If the
|
|
// target channel is a less stable channel than the current channel, then the
|
|
// channel change happens immediately (at the next update check). If the
|
|
// target channel is a more stable channel, then if is_powerwash_allowed is
|
|
// set to true, then also the change happens immediately but with a powerwash
|
|
// if required. Otherwise, the change takes effect eventually (when the
|
|
// version on the target channel goes above the version number of what the
|
|
// device currently has).
|
|
bool SetChannel(brillo::ErrorPtr* error,
|
|
const std::string& in_target_channel,
|
|
bool in_is_powerwash_allowed) override;
|
|
|
|
// If get_current_channel is set to true, populates |channel| with the name of
|
|
// the channel that the device is currently on. Otherwise, it populates it
|
|
// with the name of the channel the device is supposed to be (in case of a
|
|
// pending channel change).
|
|
bool GetChannel(brillo::ErrorPtr* error,
|
|
bool in_get_current_channel,
|
|
std::string* out_channel) override;
|
|
|
|
bool SetCohortHint(brillo::ErrorPtr* error,
|
|
const std::string& in_cohort_hint) override;
|
|
|
|
bool GetCohortHint(brillo::ErrorPtr* error,
|
|
std::string* out_cohort_hint) override;
|
|
|
|
// Enables or disables the sharing and consuming updates over P2P feature
|
|
// according to the |enabled| argument passed.
|
|
bool SetP2PUpdatePermission(brillo::ErrorPtr* error,
|
|
bool in_enabled) override;
|
|
|
|
// Returns the current value for the P2P enabled setting. This involves both
|
|
// sharing and consuming updates over P2P.
|
|
bool GetP2PUpdatePermission(brillo::ErrorPtr* error,
|
|
bool* out_enabled) override;
|
|
|
|
// If there's no device policy installed, sets the update over cellular
|
|
// networks permission to the |allowed| value. Otherwise, this method returns
|
|
// with an error since this setting is overridden by the applied policy.
|
|
bool SetUpdateOverCellularPermission(brillo::ErrorPtr* error,
|
|
bool in_allowed) override;
|
|
|
|
// Returns the current value of the update over cellular network setting,
|
|
// either forced by the device policy if the device is enrolled or the current
|
|
// user preference otherwise.
|
|
bool GetUpdateOverCellularPermission(brillo::ErrorPtr* error,
|
|
bool* out_allowed) override;
|
|
|
|
// Returns the duration since the last successful update, as the
|
|
// duration on the wallclock. Returns an error if the device has not
|
|
// updated.
|
|
bool GetDurationSinceUpdate(brillo::ErrorPtr* error,
|
|
int64_t* out_usec_wallclock) override;
|
|
|
|
// Returns the version string of OS that was used before the last reboot
|
|
// into an updated version. This is available only when rebooting into an
|
|
// update from previous version, otherwise an empty string is returned.
|
|
bool GetPrevVersion(brillo::ErrorPtr* error,
|
|
std::string* out_prev_version) override;
|
|
|
|
// Returns the name of kernel partition that can be rolled back into.
|
|
bool GetRollbackPartition(brillo::ErrorPtr* error,
|
|
std::string* out_rollback_partition_name) override;
|
|
|
|
// Returns the last UpdateAttempt error. If not updated yet, default success
|
|
// ErrorCode will be returned.
|
|
bool GetLastAttemptError(brillo::ErrorPtr* error,
|
|
int32_t* out_last_attempt_error) override;
|
|
|
|
// Returns the current end-of-life status of the device in |out_eol_status|.
|
|
bool GetEolStatus(brillo::ErrorPtr* error, int32_t* out_eol_status) override;
|
|
|
|
private:
|
|
std::unique_ptr<UpdateEngineService> common_;
|
|
};
|
|
|
|
// The UpdateEngineAdaptor class runs the UpdateEngineInterface in the fixed
|
|
// object path, without an ObjectManager notifying the interfaces, since it is
|
|
// all static and clients don't expect it to be implemented.
|
|
class UpdateEngineAdaptor : public org::chromium::UpdateEngineInterfaceAdaptor,
|
|
public ServiceObserverInterface {
|
|
public:
|
|
UpdateEngineAdaptor(SystemState* system_state);
|
|
~UpdateEngineAdaptor() = default;
|
|
|
|
// Register the DBus object with the update engine service asynchronously.
|
|
// Calls |copmletion_callback| when done passing a boolean indicating if the
|
|
// registration succeeded.
|
|
void RegisterAsync(const base::Callback<void(bool)>& completion_callback);
|
|
|
|
// Takes ownership of the well-known DBus name and returns whether it
|
|
// succeeded.
|
|
bool RequestOwnership();
|
|
|
|
// ServiceObserverInterface overrides.
|
|
void SendStatusUpdate(int64_t last_checked_time,
|
|
double progress,
|
|
update_engine::UpdateStatus status,
|
|
const std::string& new_version,
|
|
int64_t new_size) override;
|
|
|
|
void SendPayloadApplicationComplete(ErrorCode error_code) override {}
|
|
|
|
private:
|
|
scoped_refptr<dbus::Bus> bus_;
|
|
DBusUpdateEngineService dbus_service_;
|
|
brillo::dbus_utils::DBusObject dbus_object_;
|
|
};
|
|
|
|
} // namespace chromeos_update_engine
|
|
|
|
#endif // UPDATE_ENGINE_DBUS_SERVICE_H_
|