| // 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/hammerd_client.h" |
| |
| #include <string> |
| |
| #include "base/bind.h" |
| #include "base/logging.h" |
| #include "base/macros.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/observer_list.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/hammerd/dbus-constants.h" |
| |
| namespace chromeos { |
| |
| namespace { |
| |
| class HammerdClientImpl : public HammerdClient { |
| public: |
| HammerdClientImpl() = default; |
| ~HammerdClientImpl() override = default; |
| |
| // HammerdClient: |
| void Init(dbus::Bus* bus) override { |
| bus_proxy_ = |
| bus->GetObjectProxy(hammerd::kHammerdServiceName, |
| dbus::ObjectPath(hammerd::kHammerdServicePath)); |
| |
| const struct { |
| std::string signal_name; |
| dbus::ObjectProxy::SignalCallback signal_handler; |
| } kSignals[] = { |
| {hammerd::kBaseFirmwareNeedUpdateSignal, |
| base::BindRepeating(&HammerdClientImpl::OnBaseFirmwareUpdateNeeded, |
| weak_ptr_factory_.GetWeakPtr())}, |
| {hammerd::kBaseFirmwareUpdateStartedSignal, |
| base::BindRepeating(&HammerdClientImpl::OnBaseFirmwareUpdateStarted, |
| weak_ptr_factory_.GetWeakPtr())}, |
| {hammerd::kBaseFirmwareUpdateSucceededSignal, |
| base::BindRepeating(&HammerdClientImpl::OnBaseFirmwareUpdateSucceeded, |
| weak_ptr_factory_.GetWeakPtr())}, |
| {hammerd::kBaseFirmwareUpdateFailedSignal, |
| base::BindRepeating(&HammerdClientImpl::OnBaseFirmwareUpdateFailed, |
| weak_ptr_factory_.GetWeakPtr())}, |
| {hammerd::kPairChallengeSucceededSignal, |
| base::BindRepeating(&HammerdClientImpl::OnPairChallengeSucceeded, |
| weak_ptr_factory_.GetWeakPtr())}, |
| {hammerd::kPairChallengeFailedSignal, |
| base::BindRepeating(&HammerdClientImpl::OnPairChallengeFailed, |
| weak_ptr_factory_.GetWeakPtr())}, |
| {hammerd::kInvalidBaseConnectedSignal, |
| base::BindRepeating(&HammerdClientImpl::OnInvalidBaseConnected, |
| weak_ptr_factory_.GetWeakPtr())}, |
| }; |
| |
| for (const auto& signal : kSignals) { |
| bus_proxy_->ConnectToSignal( |
| hammerd::kHammerdInterface, signal.signal_name, signal.signal_handler, |
| base::BindOnce(&HammerdClientImpl::OnSignalConnect, |
| weak_ptr_factory_.GetWeakPtr())); |
| } |
| } |
| void AddObserver(Observer* observer) override { |
| observers_.AddObserver(observer); |
| } |
| void RemoveObserver(Observer* observer) override { |
| observers_.RemoveObserver(observer); |
| } |
| |
| private: |
| void OnSignalConnect(const std::string& interface, |
| const std::string& signal, |
| bool succeeded) { |
| LOG_IF(ERROR, !succeeded) |
| << "Connect to " << interface << ":" << signal << " failed."; |
| } |
| |
| void OnBaseFirmwareUpdateNeeded(dbus::Signal* signal) { |
| DCHECK_EQ(signal->GetInterface(), hammerd::kHammerdInterface); |
| DCHECK_EQ(signal->GetMember(), hammerd::kBaseFirmwareNeedUpdateSignal); |
| |
| for (auto& observer : observers_) |
| observer.BaseFirmwareUpdateNeeded(); |
| } |
| |
| void OnBaseFirmwareUpdateStarted(dbus::Signal* signal) { |
| DCHECK_EQ(signal->GetInterface(), hammerd::kHammerdInterface); |
| DCHECK_EQ(signal->GetMember(), hammerd::kBaseFirmwareNeedUpdateSignal); |
| |
| for (auto& observer : observers_) |
| observer.BaseFirmwareUpdateStarted(); |
| } |
| |
| void OnBaseFirmwareUpdateSucceeded(dbus::Signal* signal) { |
| DCHECK_EQ(signal->GetInterface(), hammerd::kHammerdInterface); |
| DCHECK_EQ(signal->GetMember(), hammerd::kBaseFirmwareNeedUpdateSignal); |
| |
| for (auto& observer : observers_) |
| observer.BaseFirmwareUpdateSucceeded(); |
| } |
| |
| void OnBaseFirmwareUpdateFailed(dbus::Signal* signal) { |
| DCHECK_EQ(signal->GetInterface(), hammerd::kHammerdInterface); |
| DCHECK_EQ(signal->GetMember(), hammerd::kBaseFirmwareNeedUpdateSignal); |
| |
| for (auto& observer : observers_) |
| observer.BaseFirmwareUpdateFailed(); |
| } |
| |
| void OnPairChallengeSucceeded(dbus::Signal* signal) { |
| DCHECK_EQ(signal->GetInterface(), hammerd::kHammerdInterface); |
| DCHECK_EQ(signal->GetMember(), hammerd::kBaseFirmwareNeedUpdateSignal); |
| |
| dbus::MessageReader reader(signal); |
| |
| const uint8_t* data = nullptr; |
| size_t length = 0; |
| if (!reader.PopArrayOfBytes(&data, &length)) |
| return; |
| |
| for (auto& observer : observers_) { |
| observer.PairChallengeSucceeded( |
| std::vector<uint8_t>(data, data + length)); |
| } |
| } |
| |
| void OnPairChallengeFailed(dbus::Signal* signal) { |
| DCHECK_EQ(signal->GetInterface(), hammerd::kHammerdInterface); |
| DCHECK_EQ(signal->GetMember(), hammerd::kBaseFirmwareNeedUpdateSignal); |
| |
| for (auto& observer : observers_) |
| observer.PairChallengeFailed(); |
| } |
| |
| void OnInvalidBaseConnected(dbus::Signal* signal) { |
| DCHECK_EQ(signal->GetInterface(), hammerd::kHammerdInterface); |
| DCHECK_EQ(signal->GetMember(), hammerd::kBaseFirmwareNeedUpdateSignal); |
| |
| for (auto& observer : observers_) |
| observer.InvalidBaseConnected(); |
| } |
| |
| dbus::ObjectProxy* bus_proxy_ = nullptr; |
| base::ObserverList<Observer> observers_; |
| |
| base::WeakPtrFactory<HammerdClientImpl> weak_ptr_factory_{this}; |
| |
| DISALLOW_COPY_AND_ASSIGN(HammerdClientImpl); |
| }; |
| |
| } // namespace |
| |
| // static |
| std::unique_ptr<HammerdClient> HammerdClient::Create() { |
| return std::make_unique<HammerdClientImpl>(); |
| } |
| |
| } // namespace chromeos |