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binder_service_brillo.cc
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binder_service_brillo.cc
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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.
//
#include "update_engine/binder_service_brillo.h"
#include <base/bind.h>
#include <binderwrapper/binder_wrapper.h>
#include <utils/String16.h>
#include <utils/StrongPointer.h>
#include "update_engine/update_status_utils.h"
using android::String16;
using android::String8;
using android::binder::Status;
using android::brillo::IUpdateEngineStatusCallback;
using android::brillo::ParcelableUpdateEngineStatus;
using android::sp;
using brillo::ErrorPtr;
using std::string;
namespace chromeos_update_engine {
namespace {
string NormalString(const String16& in) {
return string{String8{in}.string()};
}
Status ToStatus(ErrorPtr* error) {
return Status::fromServiceSpecificError(
1, String8{error->get()->GetMessage().c_str()});
}
} // namespace
template <typename... Parameters, typename... Arguments>
Status BinderUpdateEngineBrilloService::CallCommonHandler(
bool (UpdateEngineService::*Handler)(ErrorPtr*, Parameters...),
Arguments... arguments) {
ErrorPtr error;
if (((common_.get())->*Handler)(&error, arguments...))
return Status::ok();
return ToStatus(&error);
}
Status BinderUpdateEngineBrilloService::AttemptUpdate(
const String16& app_version, const String16& omaha_url, int flags) {
return CallCommonHandler(&UpdateEngineService::AttemptUpdate,
NormalString(app_version),
NormalString(omaha_url),
flags);
}
Status BinderUpdateEngineBrilloService::AttemptRollback(bool powerwash) {
return CallCommonHandler(&UpdateEngineService::AttemptRollback, powerwash);
}
Status BinderUpdateEngineBrilloService::CanRollback(bool* out_can_rollback) {
return CallCommonHandler(&UpdateEngineService::CanRollback, out_can_rollback);
}
Status BinderUpdateEngineBrilloService::ResetStatus() {
return CallCommonHandler(&UpdateEngineService::ResetStatus);
}
Status BinderUpdateEngineBrilloService::GetStatus(
ParcelableUpdateEngineStatus* status) {
string current_op;
string new_version;
auto ret = CallCommonHandler(&UpdateEngineService::GetStatus,
&status->last_checked_time_,
&status->progress_,
¤t_op,
&new_version,
&status->new_size_);
if (ret.isOk()) {
status->current_operation_ = String16{current_op.c_str()};
status->new_version_ = String16{new_version.c_str()};
}
return ret;
}
Status BinderUpdateEngineBrilloService::RebootIfNeeded() {
return CallCommonHandler(&UpdateEngineService::RebootIfNeeded);
}
Status BinderUpdateEngineBrilloService::SetChannel(
const String16& target_channel, bool powerwash) {
return CallCommonHandler(&UpdateEngineService::SetChannel,
NormalString(target_channel),
powerwash);
}
Status BinderUpdateEngineBrilloService::GetChannel(bool get_current_channel,
String16* out_channel) {
string channel_string;
auto ret = CallCommonHandler(
&UpdateEngineService::GetChannel, get_current_channel, &channel_string);
*out_channel = String16(channel_string.c_str());
return ret;
}
Status BinderUpdateEngineBrilloService::SetCohortHint(
const String16& in_cohort_hint) {
return CallCommonHandler(&UpdateEngineService::SetCohortHint,
NormalString(in_cohort_hint));
}
Status BinderUpdateEngineBrilloService::GetCohortHint(
String16* out_cohort_hint) {
string cohort_hint;
auto ret =
CallCommonHandler(&UpdateEngineService::GetCohortHint, &cohort_hint);
*out_cohort_hint = String16(cohort_hint.c_str());
return ret;
}
Status BinderUpdateEngineBrilloService::SetP2PUpdatePermission(bool enabled) {
return CallCommonHandler(&UpdateEngineService::SetP2PUpdatePermission,
enabled);
}
Status BinderUpdateEngineBrilloService::GetP2PUpdatePermission(
bool* out_p2p_permission) {
return CallCommonHandler(&UpdateEngineService::GetP2PUpdatePermission,
out_p2p_permission);
}
Status BinderUpdateEngineBrilloService::SetUpdateOverCellularPermission(
bool enabled) {
return CallCommonHandler(
&UpdateEngineService::SetUpdateOverCellularPermission, enabled);
}
Status BinderUpdateEngineBrilloService::GetUpdateOverCellularPermission(
bool* out_cellular_permission) {
return CallCommonHandler(
&UpdateEngineService::GetUpdateOverCellularPermission,
out_cellular_permission);
}
Status BinderUpdateEngineBrilloService::GetDurationSinceUpdate(
int64_t* out_duration) {
return CallCommonHandler(&UpdateEngineService::GetDurationSinceUpdate,
out_duration);
}
Status BinderUpdateEngineBrilloService::GetPrevVersion(
String16* out_prev_version) {
string version_string;
auto ret =
CallCommonHandler(&UpdateEngineService::GetPrevVersion, &version_string);
*out_prev_version = String16(version_string.c_str());
return ret;
}
Status BinderUpdateEngineBrilloService::GetRollbackPartition(
String16* out_rollback_partition) {
string partition_string;
auto ret = CallCommonHandler(&UpdateEngineService::GetRollbackPartition,
&partition_string);
if (ret.isOk()) {
*out_rollback_partition = String16(partition_string.c_str());
}
return ret;
}
Status BinderUpdateEngineBrilloService::RegisterStatusCallback(
const sp<IUpdateEngineStatusCallback>& callback) {
callbacks_.emplace_back(callback);
auto binder_wrapper = android::BinderWrapper::Get();
binder_wrapper->RegisterForDeathNotifications(
IUpdateEngineStatusCallback::asBinder(callback),
base::Bind(&BinderUpdateEngineBrilloService::UnregisterStatusCallback,
base::Unretained(this),
base::Unretained(callback.get())));
return Status::ok();
}
Status BinderUpdateEngineBrilloService::GetLastAttemptError(
int* out_last_attempt_error) {
return CallCommonHandler(&UpdateEngineService::GetLastAttemptError,
out_last_attempt_error);
}
Status BinderUpdateEngineBrilloService::GetEolStatus(int* out_eol_status) {
return CallCommonHandler(&UpdateEngineService::GetEolStatus, out_eol_status);
}
void BinderUpdateEngineBrilloService::UnregisterStatusCallback(
IUpdateEngineStatusCallback* callback) {
auto it = callbacks_.begin();
while (it != callbacks_.end() && it->get() != callback)
it++;
if (it == callbacks_.end()) {
LOG(ERROR) << "Got death notification for unknown callback.";
return;
}
LOG(INFO) << "Erasing orphan callback";
callbacks_.erase(it);
}
void BinderUpdateEngineBrilloService::SendStatusUpdate(
int64_t last_checked_time,
double progress,
update_engine::UpdateStatus status,
const string& new_version,
int64_t new_size) {
const string str_status = UpdateStatusToString(status);
for (auto& callback : callbacks_) {
callback->HandleStatusUpdate(last_checked_time,
progress,
String16{str_status.c_str()},
String16{new_version.c_str()},
new_size);
}
}
} // namespace chromeos_update_engine