97 lines
3.0 KiB
C++
97 lines
3.0 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <VehicleBus.h>
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#include <android/binder_auto_utils.h>
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#include <android-base/logging.h>
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namespace aidl::android::hardware::automotive::vehicle {
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VehicleBus::VehicleBus() {
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mDeathRecipient = ::ndk::ScopedAIBinder_DeathRecipient(
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AIBinder_DeathRecipient_new(&VehicleBus::onBinderDied));
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}
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VehicleBus::~VehicleBus() {}
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::ndk::ScopedAStatus VehicleBus::start() {
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return ::ndk::ScopedAStatus::ok();
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}
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::ndk::ScopedAStatus VehicleBus::setOnNewPropValuesCallback(
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const std::shared_ptr<IVehicleBusCallback>& callback) {
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std::lock_guard<std::mutex> g(mLock);
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if (mVehicleBusCallback) {
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return ::ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
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ERROR_INVALID_OPERATION, "Can't set callback twice!");
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}
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AIBinder_linkToDeath(callback->asBinder().get(), mDeathRecipient.get(),
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static_cast<void*>(this));
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mVehicleBusCallback = callback;
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return ::ndk::ScopedAStatus::ok();
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}
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::ndk::ScopedAStatus VehicleBus::unsetOnNewPropValuesCallback(
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const std::shared_ptr<IVehicleBusCallback>& callback) {
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std::lock_guard<std::mutex> g(mLock);
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if (mVehicleBusCallback != callback) {
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return ::ndk::ScopedAStatus::fromServiceSpecificErrorWithMessage(
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ERROR_INVALID_OPERATION, "Invalid callback argument");
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}
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AIBinder_unlinkToDeath(callback->asBinder().get(), mDeathRecipient.get(),
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static_cast<void*>(this));
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mVehicleBusCallback = nullptr;
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return ::ndk::ScopedAStatus::ok();
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}
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void VehicleBus::sendPropertyEvent(
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const std::vector<VehiclePropValue>& propValues) {
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std::lock_guard<std::mutex> g(mLock);
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if (mVehicleBusCallback == nullptr) {
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LOG(ERROR) << "Callback isn't set";
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return;
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}
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mVehicleBusCallback->onNewPropValues(propValues);
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}
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void VehicleBus::updateTimestamps(std::vector<VehiclePropValue>& propValues,
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uint64_t timestamp) {
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for (auto&& pv : propValues) {
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pv.timestamp = timestamp;
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}
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}
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void VehicleBus::onBinderDied(void* cookie) {
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VehicleBus* server = reinterpret_cast<VehicleBus*>(cookie);
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server->handleBinderDied();
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}
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void VehicleBus::handleBinderDied() {
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std::lock_guard<std::mutex> g(mLock);
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mVehicleBusCallback = nullptr;
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LOG(ERROR) << "Received onBinderDied on registered VehicleBusCallback";
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}
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}; // namespace aidl::android::hardware::automotive::vehicle
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