| /* |
| * Copyright (C) 2022 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "thread_chip.hpp" |
| |
| #include <android-base/logging.h> |
| #include <android/binder_auto_utils.h> |
| #include <android/binder_ibinder.h> |
| #include <android/binder_manager.h> |
| #include <android/binder_process.h> |
| #include <utils/Log.h> |
| |
| namespace aidl { |
| namespace android { |
| namespace hardware { |
| namespace threadnetwork { |
| |
| static ndk::ScopedAStatus errorStatus(int32_t error, const char* message) { |
| return ndk::ScopedAStatus(AStatus_fromServiceSpecificErrorWithMessage(error, message)); |
| } |
| |
| ThreadChip::ThreadChip(uint8_t id, char* url) |
| : mUrl(), |
| mInterface(handleReceivedFrame, this, mRxFrameBuffer), |
| mRxFrameBuffer(), |
| mCallback(nullptr) { |
| const std::string name(std::string() + IThreadChip::descriptor + "/chip" + std::to_string(id)); |
| binder_status_t status; |
| |
| ALOGI("ServiceName: %s, Url: %s", name.c_str(), url); |
| CHECK_EQ(mUrl.Init(url), 0); |
| status = AServiceManager_addService(asBinder().get(), name.c_str()); |
| CHECK_EQ(status, STATUS_OK); |
| |
| mDeathRecipient = ndk::ScopedAIBinder_DeathRecipient( |
| AIBinder_DeathRecipient_new(ThreadChip::onBinderDied)); |
| AIBinder_DeathRecipient_setOnUnlinked(mDeathRecipient.get(), ThreadChip::onBinderUnlinked); |
| } |
| |
| ThreadChip::~ThreadChip() { |
| AIBinder_DeathRecipient_delete(mDeathRecipient.get()); |
| } |
| |
| void ThreadChip::onBinderDied(void* context) { |
| reinterpret_cast<ThreadChip*>(context)->onBinderDied(); |
| } |
| |
| void ThreadChip::onBinderDied(void) { |
| ALOGW("Thread Network HAL client is dead."); |
| } |
| |
| void ThreadChip::onBinderUnlinked(void* context) { |
| reinterpret_cast<ThreadChip*>(context)->onBinderUnlinked(); |
| } |
| |
| void ThreadChip::onBinderUnlinked(void) { |
| ALOGW("ThreadChip binder is unlinked."); |
| deinitChip(); |
| } |
| |
| void ThreadChip::handleReceivedFrame(void* context) { |
| reinterpret_cast<ThreadChip*>(context)->handleReceivedFrame(); |
| } |
| |
| void ThreadChip::handleReceivedFrame(void) { |
| if (mCallback != nullptr) { |
| mCallback->onReceiveSpinelFrame(std::vector<uint8_t>( |
| mRxFrameBuffer.GetFrame(), mRxFrameBuffer.GetFrame() + mRxFrameBuffer.GetLength())); |
| } |
| |
| mRxFrameBuffer.DiscardFrame(); |
| } |
| |
| ndk::ScopedAStatus ThreadChip::open(const std::shared_ptr<IThreadChipCallback>& in_callback) { |
| ndk::ScopedAStatus status = initChip(in_callback); |
| |
| if (status.isOk()) { |
| AIBinder_linkToDeath(in_callback->asBinder().get(), mDeathRecipient.get(), this); |
| ALOGI("Open IThreadChip successfully."); |
| } else { |
| ALOGW("Open IThreadChip failed, error: %s", status.getDescription().c_str()); |
| } |
| |
| return status; |
| } |
| |
| ndk::ScopedAStatus ThreadChip::initChip(const std::shared_ptr<IThreadChipCallback>& in_callback) { |
| if (in_callback == nullptr) { |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_ARGUMENT); |
| } else if (mCallback == nullptr) { |
| if (mInterface.Init(mUrl) != OT_ERROR_NONE) { |
| return errorStatus(ERROR_FAILED, "Failed to initialize the interface"); |
| } |
| |
| mCallback = in_callback; |
| ot::Posix::Mainloop::Manager::Get().Add(*this); |
| return ndk::ScopedAStatus::ok(); |
| } else { |
| return errorStatus(ERROR_BUSY, "Interface is already opened"); |
| } |
| } |
| |
| ndk::ScopedAStatus ThreadChip::close() { |
| ndk::ScopedAStatus status; |
| std::shared_ptr<IThreadChipCallback> callback = mCallback; |
| |
| status = deinitChip(); |
| if (status.isOk()) { |
| if (callback != nullptr) { |
| AIBinder_unlinkToDeath(callback->asBinder().get(), mDeathRecipient.get(), this); |
| } |
| |
| ALOGI("Close IThreadChip successfully"); |
| } else { |
| ALOGW("Close IThreadChip failed, error: %s", status.getDescription().c_str()); |
| } |
| |
| return status; |
| } |
| |
| ndk::ScopedAStatus ThreadChip::deinitChip() { |
| if (mCallback != nullptr) { |
| mInterface.Deinit(); |
| ot::Posix::Mainloop::Manager::Get().Remove(*this); |
| mCallback = nullptr; |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| return ndk::ScopedAStatus::fromExceptionCode(EX_ILLEGAL_STATE); |
| } |
| |
| ndk::ScopedAStatus ThreadChip::sendSpinelFrame(const std::vector<uint8_t>& in_frame) { |
| ndk::ScopedAStatus status; |
| otError error; |
| |
| if (mCallback == nullptr) { |
| status = errorStatus(ERROR_FAILED, "The interface is not open"); |
| } else { |
| error = mInterface.SendFrame(reinterpret_cast<const uint8_t*>(in_frame.data()), |
| in_frame.size()); |
| if (error == OT_ERROR_NONE) { |
| status = ndk::ScopedAStatus::ok(); |
| } else if (error == OT_ERROR_NO_BUFS) { |
| status = errorStatus(ERROR_NO_BUFS, "Insufficient buffer space to send"); |
| } else if (error == OT_ERROR_BUSY) { |
| status = errorStatus(ERROR_BUSY, "The interface is busy"); |
| } else { |
| status = errorStatus(ERROR_FAILED, "Failed to send the spinel frame"); |
| } |
| } |
| |
| if (!status.isOk()) { |
| ALOGW("Send spinel frame failed, error: %s", status.getDescription().c_str()); |
| } |
| |
| return status; |
| } |
| |
| ndk::ScopedAStatus ThreadChip::reset() { |
| mInterface.OnRcpReset(); |
| ALOGI("reset()"); |
| return ndk::ScopedAStatus::ok(); |
| } |
| |
| void ThreadChip::Update(otSysMainloopContext& context) { |
| if (mCallback != nullptr) { |
| mInterface.UpdateFdSet(context.mReadFdSet, context.mWriteFdSet, context.mMaxFd, |
| context.mTimeout); |
| } |
| } |
| |
| void ThreadChip::Process(const otSysMainloopContext& context) { |
| struct RadioProcessContext radioContext; |
| |
| if (mCallback != nullptr) { |
| radioContext.mReadFdSet = &context.mReadFdSet; |
| radioContext.mWriteFdSet = &context.mWriteFdSet; |
| mInterface.Process(radioContext); |
| } |
| } |
| } // namespace threadnetwork |
| } // namespace hardware |
| } // namespace android |
| } // namespace aidl |