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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/dbus/arc/arcvm_data_migrator_client.h"
#include "base/check_op.h"
#include "base/functional/bind.h"
#include "base/logging.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "chromeos/ash/components/dbus/arc/fake_arcvm_data_migrator_client.h"
#include "dbus/bus.h"
#include "dbus/message.h"
#include "dbus/object_proxy.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace ash {
namespace {
ArcVmDataMigratorClient* g_instance = nullptr;
void OnSignalConnected(const std::string& interface_name,
const std::string& signal_name,
bool success) {
DCHECK_EQ(interface_name, arc::data_migrator::kArcVmDataMigratorInterface);
LOG_IF(DFATAL, !success) << "Failed to connect to D-Bus signal; interface: "
<< interface_name << "; signal: " << signal_name;
}
class ArcVmDataMigratorClientImpl : public ArcVmDataMigratorClient {
public:
explicit ArcVmDataMigratorClientImpl(dbus::Bus* bus)
: proxy_(bus->GetObjectProxy(
arc::data_migrator::kArcVmDataMigratorServiceName,
dbus::ObjectPath(
arc::data_migrator::kArcVmDataMigratorServicePath))) {
proxy_->ConnectToSignal(
arc::data_migrator::kArcVmDataMigratorInterface,
arc::data_migrator::kMigrationProgressSignal,
base::BindRepeating(&ArcVmDataMigratorClientImpl::OnMigrationProgress,
weak_ptr_factory_.GetWeakPtr()),
base::BindOnce(&OnSignalConnected));
}
~ArcVmDataMigratorClientImpl() override = default;
ArcVmDataMigratorClientImpl(const ArcVmDataMigratorClientImpl&) = delete;
ArcVmDataMigratorClientImpl& operator=(const ArcVmDataMigratorClientImpl&) =
delete;
// ArcVmDataMigratorClient overrides:
void HasDataToMigrate(
const arc::data_migrator::HasDataToMigrateRequest& request,
chromeos::DBusMethodCallback<bool> callback) override {
dbus::MethodCall method_call(
arc::data_migrator::kArcVmDataMigratorInterface,
arc::data_migrator::kHasDataToMigrateMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendProtoAsArrayOfBytes(request);
proxy_->CallMethod(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::BindOnce(&ArcVmDataMigratorClientImpl::OnBoolMethod,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
void GetAndroidDataInfo(
const arc::data_migrator::GetAndroidDataInfoRequest& request,
GetAndroidDataInfoCallback callback) override {
dbus::MethodCall method_call(
arc::data_migrator::kArcVmDataMigratorInterface,
arc::data_migrator::kGetAndroidDataInfoMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendProtoAsArrayOfBytes(request);
proxy_->CallMethod(
&method_call,
kArcVmDataMigratorGetAndroidDataInfoTimeout.InMilliseconds(),
base::BindOnce(
&ArcVmDataMigratorClientImpl::OnGetAndroidDataInfoResponse,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
void StartMigration(const arc::data_migrator::StartMigrationRequest& request,
chromeos::VoidDBusMethodCallback callback) override {
dbus::MethodCall method_call(
arc::data_migrator::kArcVmDataMigratorInterface,
arc::data_migrator::kStartMigrationMethod);
dbus::MessageWriter writer(&method_call);
writer.AppendProtoAsArrayOfBytes(request);
proxy_->CallMethod(
&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
base::BindOnce(&ArcVmDataMigratorClientImpl::OnVoidMethod,
weak_ptr_factory_.GetWeakPtr(), std::move(callback)));
}
void AddObserver(Observer* observer) override {
observers_.AddObserver(observer);
}
void RemoveObserver(Observer* observer) override {
observers_.RemoveObserver(observer);
}
private:
void OnMigrationProgress(dbus::Signal* signal) {
dbus::MessageReader reader(signal);
arc::data_migrator::DataMigrationProgress proto;
if (!reader.PopArrayOfBytesAsProto(&proto)) {
LOG(ERROR) << "Failed to parse DataMigrationProgress protobuf from "
"D-Bus signal";
return;
}
for (Observer& observer : observers_) {
observer.OnDataMigrationProgress(proto);
}
}
void OnVoidMethod(chromeos::VoidDBusMethodCallback callback,
dbus::Response* response) {
std::move(callback).Run(response);
}
void OnBoolMethod(chromeos::DBusMethodCallback<bool> callback,
dbus::Response* response) {
if (!response) {
std::move(callback).Run(std::nullopt);
return;
}
dbus::MessageReader reader(response);
bool result = false;
if (!reader.PopBool(&result)) {
LOG(ERROR) << "Invalid response: " << response->ToString();
std::move(callback).Run(std::nullopt);
return;
}
std::move(callback).Run(result);
}
void OnGetAndroidDataInfoResponse(GetAndroidDataInfoCallback callback,
dbus::Response* response) {
if (!response) {
std::move(callback).Run(std::nullopt);
return;
}
dbus::MessageReader reader(response);
arc::data_migrator::GetAndroidDataInfoResponse proto;
if (!reader.PopArrayOfBytesAsProto(&proto)) {
LOG(ERROR) << "Invalid response: " << response->ToString();
std::move(callback).Run(std::nullopt);
return;
}
std::move(callback).Run(std::move(proto));
}
base::ObserverList<Observer> observers_;
raw_ptr<dbus::ObjectProxy> proxy_;
base::WeakPtrFactory<ArcVmDataMigratorClientImpl> weak_ptr_factory_{this};
};
} // namespace
ArcVmDataMigratorClient::ArcVmDataMigratorClient() {
DCHECK(!g_instance);
g_instance = this;
}
ArcVmDataMigratorClient::~ArcVmDataMigratorClient() {
DCHECK_EQ(this, g_instance);
g_instance = nullptr;
}
// static
void ArcVmDataMigratorClient::Initialize(dbus::Bus* bus) {
DCHECK(bus);
new ArcVmDataMigratorClientImpl(bus);
}
// static
void ArcVmDataMigratorClient::InitializeFake() {
// Do not create a new fake if it was initialized early in a browser test (to
// allow test properties to be set).
if (!FakeArcVmDataMigratorClient::Get())
new FakeArcVmDataMigratorClient();
}
// static
void ArcVmDataMigratorClient::Shutdown() {
DCHECK(g_instance);
delete g_instance;
}
// static
ArcVmDataMigratorClient* ArcVmDataMigratorClient::Get() {
return g_instance;
}
} // namespace ash
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