| // 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/runtime_probe_client.h" |
| |
| #include <string> |
| #include <utility> |
| |
| #include "base/bind.h" |
| #include "base/location.h" |
| #include "base/observer_list.h" |
| #include "base/threading/thread_task_runner_handle.h" |
| #include "dbus/bus.h" |
| #include "dbus/message.h" |
| #include "third_party/cros_system_api/dbus/runtime_probe/dbus-constants.h" |
| #include "third_party/cros_system_api/dbus/service_constants.h" |
| |
| namespace chromeos { |
| |
| class RuntimeProbeClientImpl : public RuntimeProbeClient { |
| public: |
| RuntimeProbeClientImpl() : weak_ptr_factory_(this) {} |
| |
| ~RuntimeProbeClientImpl() override = default; |
| |
| // RuntimeProbeClient override: |
| void ProbeCategories(const runtime_probe::ProbeRequest& request, |
| RuntimeProbeCallback callback) override { |
| dbus::MethodCall method_call(runtime_probe::kRuntimeProbeInterfaceName, |
| runtime_probe::kProbeCategoriesMethod); |
| dbus::MessageWriter writer(&method_call); |
| |
| if (!writer.AppendProtoAsArrayOfBytes(request)) { |
| LOG(ERROR) << "Failed to encode ProbeRequest protobuf"; |
| std::move(callback).Run(base::nullopt); |
| return; |
| } |
| proxy_->CallMethod( |
| &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, |
| base::BindOnce(&RuntimeProbeClientImpl::OnProbeCategories, |
| weak_ptr_factory_.GetWeakPtr(), std::move(callback))); |
| } |
| |
| protected: |
| void Init(dbus::Bus* bus) override { |
| proxy_ = bus->GetObjectProxy( |
| runtime_probe::kRuntimeProbeServiceName, |
| dbus::ObjectPath(runtime_probe::kRuntimeProbeServicePath)); |
| if (!proxy_) { |
| LOG(ERROR) << "Unable to get dbus proxy for " |
| << runtime_probe::kRuntimeProbeServiceName; |
| } |
| } |
| |
| private: |
| void OnProbeCategories(RuntimeProbeCallback callback, |
| dbus::Response* response) { |
| if (!response) { |
| std::move(callback).Run(base::nullopt); |
| return; |
| } |
| runtime_probe::ProbeResult response_proto; |
| dbus::MessageReader reader(response); |
| if (!reader.PopArrayOfBytesAsProto(&response_proto)) { |
| LOG(ERROR) << "Failed to parse proto from " << response->GetMember(); |
| std::move(callback).Run(base::nullopt); |
| return; |
| } |
| std::move(callback).Run(response_proto); |
| } |
| |
| dbus::ObjectProxy* proxy_ = nullptr; |
| |
| // Note: This should remain the last member so it'll be destroyed and |
| // invalidate its weak pointers before any other members are destroyed. |
| base::WeakPtrFactory<RuntimeProbeClientImpl> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RuntimeProbeClientImpl); |
| }; |
| |
| RuntimeProbeClient::RuntimeProbeClient() = default; |
| |
| RuntimeProbeClient::~RuntimeProbeClient() = default; |
| |
| std::unique_ptr<RuntimeProbeClient> RuntimeProbeClient::Create() { |
| return std::make_unique<RuntimeProbeClientImpl>(); |
| } |
| |
| } // namespace chromeos |