| // Copyright 2016 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chromeos/dbus/image_loader_client.h" |
| |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/macros.h" |
| #include "base/optional.h" |
| #include "dbus/bus.h" |
| #include "dbus/message.h" |
| #include "dbus/object_path.h" |
| #include "dbus/object_proxy.h" |
| #include "third_party/cros_system_api/dbus/service_constants.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| class ImageLoaderClientImpl : public ImageLoaderClient { |
| public: |
| ImageLoaderClientImpl() = default; |
| |
| ~ImageLoaderClientImpl() override = default; |
| |
| void RegisterComponent(const std::string& name, |
| const std::string& version, |
| const std::string& component_folder_abs_path, |
| DBusMethodCallback<bool> callback) override { |
| dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface, |
| imageloader::kRegisterComponent); |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendString(name); |
| writer.AppendString(version); |
| writer.AppendString(component_folder_abs_path); |
| proxy_->CallMethod(&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&ImageLoaderClientImpl::OnBoolMethod, |
| std::move(callback))); |
| } |
| |
| void LoadComponent(const std::string& name, |
| DBusMethodCallback<std::string> callback) override { |
| dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface, |
| imageloader::kLoadComponent); |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendString(name); |
| proxy_->CallMethod(&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&ImageLoaderClientImpl::OnStringMethod, |
| std::move(callback))); |
| } |
| |
| void LoadComponentAtPath( |
| const std::string& name, |
| const base::FilePath& path, |
| DBusMethodCallback<base::FilePath> callback) override { |
| dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface, |
| imageloader::kLoadComponentAtPath); |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendString(name); |
| writer.AppendString(path.value()); |
| proxy_->CallMethod(&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&ImageLoaderClientImpl::OnFilePathMethod, |
| std::move(callback))); |
| } |
| |
| void RemoveComponent(const std::string& name, |
| DBusMethodCallback<bool> callback) override { |
| dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface, |
| imageloader::kRemoveComponent); |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendString(name); |
| proxy_->CallMethod(&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&ImageLoaderClientImpl::OnBoolMethod, |
| std::move(callback))); |
| } |
| |
| void RequestComponentVersion( |
| const std::string& name, |
| DBusMethodCallback<std::string> callback) override { |
| dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface, |
| imageloader::kGetComponentVersion); |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendString(name); |
| proxy_->CallMethod(&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&ImageLoaderClientImpl::OnStringMethod, |
| std::move(callback))); |
| } |
| |
| void UnmountComponent(const std::string& name, |
| DBusMethodCallback<bool> callback) override { |
| dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface, |
| imageloader::kUnmountComponent); |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendString(name); |
| proxy_->CallMethod(&method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&ImageLoaderClientImpl::OnBoolMethod, |
| std::move(callback))); |
| } |
| |
| protected: |
| // DBusClient override. |
| void Init(dbus::Bus* bus) override { |
| proxy_ = bus->GetObjectProxy( |
| imageloader::kImageLoaderServiceName, |
| dbus::ObjectPath(imageloader::kImageLoaderServicePath)); |
| } |
| |
| private: |
| static void OnBoolMethod(DBusMethodCallback<bool> callback, |
| dbus::Response* response) { |
| if (!response) { |
| std::move(callback).Run(base::nullopt); |
| return; |
| } |
| dbus::MessageReader reader(response); |
| bool result = false; |
| if (!reader.PopBool(&result)) { |
| LOG(ERROR) << "Invalid response: " << response->ToString(); |
| std::move(callback).Run(base::nullopt); |
| return; |
| } |
| std::move(callback).Run(result); |
| } |
| |
| static void OnStringMethod(DBusMethodCallback<std::string> callback, |
| dbus::Response* response) { |
| if (!response) { |
| std::move(callback).Run(base::nullopt); |
| return; |
| } |
| dbus::MessageReader reader(response); |
| std::string result; |
| if (!reader.PopString(&result)) { |
| std::move(callback).Run(base::nullopt); |
| LOG(ERROR) << "Invalid response: " << response->ToString(); |
| return; |
| } |
| std::move(callback).Run(std::move(result)); |
| } |
| |
| static void OnFilePathMethod(DBusMethodCallback<base::FilePath> callback, |
| dbus::Response* response) { |
| if (!response) { |
| std::move(callback).Run(base::nullopt); |
| return; |
| } |
| dbus::MessageReader reader(response); |
| std::string result; |
| if (!reader.PopString(&result)) { |
| std::move(callback).Run(base::nullopt); |
| LOG(ERROR) << "Invalid response: " << response->ToString(); |
| return; |
| } |
| std::move(callback).Run(base::FilePath(std::move(result))); |
| } |
| |
| dbus::ObjectProxy* proxy_ = nullptr; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImageLoaderClientImpl); |
| }; |
| |
| } // namespace |
| |
| ImageLoaderClient::ImageLoaderClient() = default; |
| |
| ImageLoaderClient::~ImageLoaderClient() = default; |
| |
| // static |
| std::unique_ptr<ImageLoaderClient> ImageLoaderClient::Create() { |
| return std::make_unique<ImageLoaderClientImpl>(); |
| } |
| |
| } // namespace chromeos |