| /* |
| * Copyright (c) 2020, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * This file includes definitions for Dataset Updater. |
| */ |
| |
| #ifndef DATASET_UPDATER_HPP_ |
| #define DATASET_UPDATER_HPP_ |
| |
| #include "openthread-core-config.h" |
| |
| #if (OPENTHREAD_CONFIG_DATASET_UPDATER_ENABLE || OPENTHREAD_CONFIG_CHANNEL_MANAGER_ENABLE) && OPENTHREAD_FTD |
| |
| #include <openthread/dataset_updater.h> |
| |
| #include "common/locator.hpp" |
| #include "common/message.hpp" |
| #include "common/non_copyable.hpp" |
| #include "common/notifier.hpp" |
| #include "common/timer.hpp" |
| #include "meshcop/dataset.hpp" |
| #include "meshcop/meshcop_tlvs.hpp" |
| |
| namespace ot { |
| namespace MeshCoP { |
| |
| /** |
| * This class implements the Dataset Updater. |
| * |
| */ |
| class DatasetUpdater : public InstanceLocator, private NonCopyable |
| { |
| friend class ot::Notifier; |
| |
| public: |
| /** |
| * This constructor initializes a `DatasetUpdater` object. |
| * |
| * @param[in] aInstance A reference to the OpenThread instance. |
| * |
| */ |
| explicit DatasetUpdater(Instance &aInstance); |
| |
| /** |
| * This type represents the callback function pointer which is called when a Dataset update request finishes, |
| * reporting success or failure status of the request. |
| * |
| * The function pointer has the syntax `void (*Callback)(Error aError, void *aContext)`. |
| * |
| */ |
| typedef otDatasetUpdaterCallback Callback; |
| |
| /** |
| * This method requests an update to Operational Dataset. |
| * |
| * @p aDataset should contain the fields to be updated and their new value. It must not contain Active or Pending |
| * Timestamp fields. The Delay field is optional, if not provided a default value (`kDefaultDelay`) would be used. |
| * |
| * @param[in] aDataset Dataset info containing fields to change. |
| * @param[in] aCallback A callback to indicate when Dataset update request finishes. |
| * @param[in] aContext An arbitrary context passed to callback. |
| * |
| * @retval kErrorNone Dataset update started successfully (@p aCallback will be invoked on completion). |
| * @retval kErrorInvalidState Device is disabled (MLE is disabled). |
| * @retval kErrorInvalidArgs The @p aDataset is not valid (contains Active or Pending Timestamp). |
| * @retval kErrorBusy Cannot start update, a previous one is ongoing. |
| * @retval kErrorNoBufs Could not allocated buffer to save Dataset. |
| * |
| */ |
| Error RequestUpdate(const Dataset::Info &aDataset, Callback aCallback, void *aContext); |
| |
| /** |
| * This method cancels an ongoing (if any) Operational Dataset update request. |
| * |
| */ |
| void CancelUpdate(void); |
| |
| /** |
| * This method indicates whether there is an ongoing Operation Dataset update request. |
| * |
| * @retval TRUE There is an ongoing update. |
| * @retval FALSE There is no ongoing update. |
| * |
| */ |
| bool IsUpdateOngoing(void) const { return mDataset != nullptr; } |
| |
| private: |
| // Default delay (in ms) in Pending Dataset. |
| static constexpr uint32_t kDefaultDelay = OPENTHREAD_CONFIG_DATASET_UPDATER_DEFAULT_DELAY; |
| |
| // Retry interval (in ms) when preparing and/or sending Pending Dataset fails. |
| static constexpr uint32_t kRetryInterval = 1000; |
| |
| static void HandleTimer(Timer &aTimer); |
| void HandleTimer(void); |
| void PreparePendingDataset(void); |
| void Finish(Error aError); |
| void HandleNotifierEvents(Events aEvents); |
| |
| Callback mCallback; |
| void * mCallbackContext; |
| TimerMilli mTimer; |
| Message * mDataset; |
| }; |
| |
| } // namespace MeshCoP |
| } // namespace ot |
| |
| #endif // (OPENTHREAD_CONFIG_DATASET_UPDATER_ENABLE || OPENTHREAD_CONFIG_CHANNEL_MANAGER_ENABLE) && OPENTHREAD_FTD |
| |
| #endif // DATASET_UPDATER_HPP_ |