| /* |
| * |
| * Copyright (c) 2022 Project CHIP Authors |
| * All rights reserved. |
| * |
| * 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. |
| */ |
| |
| /** |
| * @file |
| * Provides the implementation of the OTA Image Processor class |
| * for Open IOT SDK platform. |
| */ |
| |
| #include <app/clusters/ota-requestor/OTADownloader.h> |
| #include <app/clusters/ota-requestor/OTARequestorInterface.h> |
| |
| #include "OTAImageProcessorImpl.h" |
| |
| namespace chip { |
| |
| CHIP_ERROR OTAImageProcessorImpl::PrepareDownload() |
| { |
| DeviceLayer::PlatformMgr().ScheduleWork(HandlePrepareDownload, reinterpret_cast<intptr_t>(this)); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::Finalize() |
| { |
| DeviceLayer::PlatformMgr().ScheduleWork(HandleFinalize, reinterpret_cast<intptr_t>(this)); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::Apply() |
| { |
| DeviceLayer::PlatformMgr().ScheduleWork(HandleApply, reinterpret_cast<intptr_t>(this)); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::Abort() |
| { |
| DeviceLayer::PlatformMgr().ScheduleWork(HandleAbort, reinterpret_cast<intptr_t>(this)); |
| return CHIP_NO_ERROR; |
| } |
| |
| void OTAImageProcessorImpl::OnOTAStateChange(DeviceLayer::OtaState state) |
| { |
| DeviceLayer::ChipDeviceEvent otaChange; |
| otaChange.Type = DeviceLayer::DeviceEventType::kOtaStateChanged; |
| otaChange.OtaStateChanged.newState = state; |
| CHIP_ERROR error = DeviceLayer::PlatformMgr().PostEvent(&otaChange); |
| |
| if (error != CHIP_NO_ERROR) |
| { |
| ChipLogError(SoftwareUpdate, "Posting OTA state change failed %" CHIP_ERROR_FORMAT, error.Format()); |
| } |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::ProcessBlock(ByteSpan & block) |
| { |
| // Store block data for HandleProcessBlock to access |
| CHIP_ERROR err = SetBlock(block); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(SoftwareUpdate, "Cannot set block data: %" CHIP_ERROR_FORMAT, err.Format()); |
| } |
| |
| DeviceLayer::PlatformMgr().ScheduleWork(HandleProcessBlock, reinterpret_cast<intptr_t>(this)); |
| return CHIP_NO_ERROR; |
| } |
| |
| bool OTAImageProcessorImpl::IsFirstImageRun() |
| { |
| OTARequestorInterface * requestor = chip::GetRequestorInstance(); |
| if (requestor == nullptr) |
| { |
| return false; |
| } |
| |
| return requestor->GetCurrentUpdateState() == OTARequestorInterface::OTAUpdateStateEnum::kApplying; |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::ConfirmCurrentImage() |
| { |
| OTARequestorInterface * requestor = chip::GetRequestorInstance(); |
| if (requestor == nullptr) |
| { |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| uint32_t currentVersion; |
| uint32_t targetVersion = requestor->GetTargetVersion(); |
| ReturnErrorOnFailure(DeviceLayer::ConfigurationMgr().GetSoftwareVersion(currentVersion)); |
| if (currentVersion != targetVersion) |
| { |
| ChipLogError(SoftwareUpdate, "Current software version = %" PRIu32 ", expected software version = %" PRIu32, currentVersion, |
| targetVersion); |
| return CHIP_ERROR_INCORRECT_STATE; |
| } |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| void OTAImageProcessorImpl::HandlePrepareDownload(intptr_t context) |
| { |
| auto * imageProcessor = reinterpret_cast<OTAImageProcessorImpl *>(context); |
| if (imageProcessor == nullptr) |
| { |
| ChipLogError(SoftwareUpdate, "ImageProcessor context is null"); |
| return; |
| } |
| else if (imageProcessor->mDownloader == nullptr) |
| { |
| ChipLogError(SoftwareUpdate, "mDownloader is null"); |
| return; |
| } |
| |
| psa_status_t rc = psa_fwu_start(imageProcessor->mImageId, NULL, 0); |
| if (rc != PSA_SUCCESS) |
| { |
| ChipLogError(SoftwareUpdate, "Begin a firmware update operation for image %d failed [%ld]", imageProcessor->mImageId, rc); |
| return; |
| } |
| |
| imageProcessor->mParams.downloadedBytes = 0; |
| imageProcessor->mParams.totalFileBytes = 0; |
| |
| imageProcessor->mHeaderParser.Init(); |
| |
| imageProcessor->mDownloader->OnPreparedForDownload(CHIP_NO_ERROR); |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaDownloadInProgress); |
| } |
| |
| void OTAImageProcessorImpl::HandleFinalize(intptr_t context) |
| { |
| auto * imageProcessor = reinterpret_cast<OTAImageProcessorImpl *>(context); |
| if (imageProcessor == nullptr) |
| { |
| return; |
| } |
| |
| psa_status_t rc = psa_fwu_finish(imageProcessor->mImageId); |
| if (rc != PSA_SUCCESS) |
| { |
| ChipLogError(SoftwareUpdate, "Mark the image %d as ready for installation failed [%ld]", imageProcessor->mImageId, rc); |
| imageProcessor->UpdateShutdown(); |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaDownloadFailed); |
| return; |
| } |
| |
| imageProcessor->ReleaseBlock(); |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaDownloadComplete); |
| } |
| |
| void OTAImageProcessorImpl::HandleApply(intptr_t context) |
| { |
| auto * imageProcessor = reinterpret_cast<OTAImageProcessorImpl *>(context); |
| VerifyOrReturn(imageProcessor != nullptr); |
| |
| OTARequestorInterface * requestor = chip::GetRequestorInstance(); |
| VerifyOrReturn(requestor != nullptr); |
| |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaApplyInProgress); |
| |
| // Only check ready for reboot state. |
| // The PSA_SUCCESS_RESTART is related to restarting the external components which are not supported here. |
| psa_status_t rc = psa_fwu_install(); |
| if (rc != PSA_SUCCESS_REBOOT) |
| { |
| ChipLogError(SoftwareUpdate, "Start the installation of the image %d failed [%ld]", imageProcessor->mImageId, rc); |
| imageProcessor->UpdateShutdown(); |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaApplyFailed); |
| return; |
| } |
| |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaApplyComplete); |
| |
| DeviceLayer::PlatformMgr().ScheduleWork([](intptr_t) { DeviceLayer::PlatformMgr().HandleServerShuttingDown(); }); |
| DeviceLayer::PlatformMgr().ScheduleWork([](intptr_t) { |
| DeviceLayer::PlatformMgr().StopEventLoopTask(); |
| DeviceLayer::PersistedStorage::KeyValueStoreMgrImpl().Shutdown(); |
| psa_fwu_request_reboot(); |
| }); |
| } |
| |
| void OTAImageProcessorImpl::HandleAbort(intptr_t context) |
| { |
| auto * imageProcessor = reinterpret_cast<OTAImageProcessorImpl *>(context); |
| if (imageProcessor == nullptr) |
| { |
| return; |
| } |
| |
| imageProcessor->UpdateShutdown(); |
| |
| imageProcessor->ReleaseBlock(); |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaDownloadAborted); |
| } |
| |
| void OTAImageProcessorImpl::HandleProcessBlock(intptr_t context) |
| { |
| auto * imageProcessor = reinterpret_cast<OTAImageProcessorImpl *>(context); |
| if (imageProcessor == nullptr) |
| { |
| ChipLogError(SoftwareUpdate, "ImageProcessor context is null"); |
| return; |
| } |
| else if (imageProcessor->mDownloader == nullptr) |
| { |
| ChipLogError(SoftwareUpdate, "mDownloader is null"); |
| return; |
| } |
| |
| ByteSpan block = imageProcessor->mBlock; |
| CHIP_ERROR error = imageProcessor->ProcessHeader(block); |
| if (error != CHIP_NO_ERROR) |
| { |
| ChipLogError(SoftwareUpdate, "Image does not contain a valid header"); |
| imageProcessor->mDownloader->EndDownload(CHIP_ERROR_INVALID_FILE_IDENTIFIER); |
| imageProcessor->UpdateShutdown(); |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaDownloadFailed); |
| return; |
| } |
| |
| psa_status_t rc = |
| psa_fwu_write(imageProcessor->mImageId, (size_t) imageProcessor->mParams.downloadedBytes, block.data(), block.size()); |
| if (rc != PSA_SUCCESS) |
| { |
| ChipLogError(SoftwareUpdate, "Write image %d chunk failed [%ld]", imageProcessor->mImageId, rc); |
| imageProcessor->mDownloader->EndDownload(CHIP_ERROR_WRITE_FAILED); |
| imageProcessor->UpdateShutdown(); |
| imageProcessor->OnOTAStateChange(DeviceLayer::kOtaDownloadFailed); |
| return; |
| } |
| |
| imageProcessor->mParams.downloadedBytes += block.size(); |
| imageProcessor->mDownloader->FetchNextData(); |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::ProcessHeader(ByteSpan & block) |
| { |
| if (mHeaderParser.IsInitialized()) |
| { |
| OTAImageHeader header; |
| CHIP_ERROR error = mHeaderParser.AccumulateAndDecode(block, header); |
| |
| // Needs more data to decode the header |
| VerifyOrReturnError(error != CHIP_ERROR_BUFFER_TOO_SMALL, CHIP_NO_ERROR); |
| ReturnErrorOnFailure(error); |
| |
| mParams.totalFileBytes = header.mPayloadSize; |
| mHeaderParser.Clear(); |
| } |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::SetBlock(ByteSpan & block) |
| { |
| if (block.empty()) |
| { |
| ReleaseBlock(); |
| return CHIP_NO_ERROR; |
| } |
| if (mBlock.size() < block.size()) |
| { |
| if (!mBlock.empty()) |
| { |
| ReleaseBlock(); |
| } |
| uint8_t * mBlock_ptr = static_cast<uint8_t *>(chip::Platform::MemoryAlloc(block.size())); |
| if (mBlock_ptr == nullptr) |
| { |
| return CHIP_ERROR_NO_MEMORY; |
| } |
| mBlock = MutableByteSpan(mBlock_ptr, block.size()); |
| } |
| CHIP_ERROR err = CopySpanToMutableSpan(block, mBlock); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(SoftwareUpdate, "Cannot copy block data: %" CHIP_ERROR_FORMAT, err.Format()); |
| return err; |
| } |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR OTAImageProcessorImpl::ReleaseBlock() |
| { |
| if (mBlock.data() != nullptr) |
| { |
| chip::Platform::MemoryFree(mBlock.data()); |
| } |
| |
| mBlock = MutableByteSpan(); |
| return CHIP_NO_ERROR; |
| } |
| |
| void OTAImageProcessorImpl::UpdateShutdown() |
| { |
| psa_fwu_component_info_t info; |
| |
| psa_status_t rc = psa_fwu_query(mImageId, &info); |
| |
| if (rc == PSA_SUCCESS) |
| { |
| switch (info.state) |
| { |
| case PSA_FWU_WRITING: |
| case PSA_FWU_CANDIDATE: |
| psa_fwu_cancel(mImageId); |
| psa_fwu_clean(mImageId); |
| break; |
| case PSA_FWU_FAILED: |
| case PSA_FWU_UPDATED: |
| psa_fwu_clean(mImageId); |
| break; |
| } |
| } |
| } |
| |
| } // namespace chip |