| // Copyright 2018 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/machine_learning/machine_learning_client.h" |
| |
| #include <memory> |
| |
| #include "base/bind.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chromeos/dbus/machine_learning/fake_machine_learning_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 chromeos { |
| |
| namespace { |
| |
| MachineLearningClient* g_instance = nullptr; |
| |
| class MachineLearningClientImpl : public MachineLearningClient { |
| public: |
| MachineLearningClientImpl() = default; |
| ~MachineLearningClientImpl() override = default; |
| |
| // MachineLearningClient: |
| void BootstrapMojoConnection( |
| base::ScopedFD fd, |
| base::OnceCallback<void(bool success)> result_callback) override { |
| dbus::MethodCall method_call(ml::kMachineLearningInterfaceName, |
| ml::kBootstrapMojoConnectionMethod); |
| dbus::MessageWriter writer(&method_call); |
| writer.AppendFileDescriptor(fd.get()); |
| ml_service_proxy_->CallMethod( |
| &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce( |
| &MachineLearningClientImpl::OnBootstrapMojoConnectionResponse, |
| weak_ptr_factory_.GetWeakPtr(), std::move(result_callback))); |
| } |
| |
| void Init(dbus::Bus* const bus) { |
| ml_service_proxy_ = |
| bus->GetObjectProxy(ml::kMachineLearningServiceName, |
| dbus::ObjectPath(ml::kMachineLearningServicePath)); |
| } |
| |
| private: |
| dbus::ObjectProxy* ml_service_proxy_ = nullptr; |
| |
| // Passes the success/failure of |dbus_response| on to |result_callback|. |
| void OnBootstrapMojoConnectionResponse( |
| base::OnceCallback<void(bool success)> result_callback, |
| dbus::Response* const dbus_response) { |
| const bool success = dbus_response != nullptr; |
| std::move(result_callback).Run(success); |
| } |
| |
| // Must be last class member. |
| base::WeakPtrFactory<MachineLearningClientImpl> weak_ptr_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(MachineLearningClientImpl); |
| }; |
| |
| } // namespace |
| |
| MachineLearningClient::MachineLearningClient() { |
| DCHECK(!g_instance); |
| g_instance = this; |
| } |
| |
| MachineLearningClient::~MachineLearningClient() { |
| DCHECK_EQ(this, g_instance); |
| g_instance = nullptr; |
| } |
| |
| // static |
| void MachineLearningClient::Initialize(dbus::Bus* bus) { |
| DCHECK(bus); |
| (new MachineLearningClientImpl())->Init(bus); |
| } |
| |
| // static |
| void MachineLearningClient::InitializeFake() { |
| new FakeMachineLearningClient(); |
| } |
| |
| // static |
| void MachineLearningClient::Shutdown() { |
| DCHECK(g_instance); |
| delete g_instance; |
| } |
| |
| // static |
| MachineLearningClient* MachineLearningClient::Get() { |
| return g_instance; |
| } |
| |
| } // namespace chromeos |