| /* |
| * Copyright (c) 2016-2017, 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 managing MeshCoP Datasets. |
| * |
| */ |
| |
| #ifndef MESHCOP_DATASET_LOCAL_HPP_ |
| #define MESHCOP_DATASET_LOCAL_HPP_ |
| |
| #include "common/locator.hpp" |
| #include "meshcop/dataset.hpp" |
| #include "meshcop/meshcop_tlvs.hpp" |
| |
| namespace ot { |
| namespace MeshCoP { |
| |
| class DatasetLocal: public InstanceLocator |
| { |
| public: |
| /** |
| * This constructor initializes the object. |
| * |
| * @param[in] aInstance A pointer to an OpenThread instance. |
| * @param[in] aType The type of the dataset, active or pending. |
| * |
| */ |
| DatasetLocal(otInstance *aInstance, const Tlv::Type aType); |
| |
| /** |
| * This method indicates whether this is an Active or Pending Dataset. |
| * |
| * @retval Tlv::kActiveTimestamp when this is an Active Dataset. |
| * @retval Tlv::kPendingTimetamp when this is a Pending Dataset. |
| * |
| */ |
| Tlv::Type GetType(void) const { return mType; } |
| |
| /** |
| * This method clears the Dataset. |
| * |
| */ |
| void Clear(void); |
| |
| /** |
| * This method indicates whether or not the dataset is present in non-volatile memory. |
| * |
| * @retval TRUE if the dataset is present in non-volatile memory. |
| * @retval FALSE if the dataset is not present in non-volatile memory. |
| * |
| */ |
| bool IsPresent(void) const; |
| |
| /** |
| * This method returns a pointer to the Active or Pending Timestamp value. |
| * |
| * @returns A pointer to the Active or Pending Timestamp value or NULL if the dataset is invalid. |
| * |
| */ |
| const Timestamp *GetTimestamp(void) const; |
| |
| /** |
| * This method retrieves the dataset from non-volatile memory. |
| * |
| * @param[out] aDataset Where to place the dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully retrieved the dataset. |
| * @retval OT_ERROR_NOT_FOUND There is no corresponding dataset stored in non-volatile memory. |
| * |
| */ |
| otError Get(Dataset &aDataset); |
| |
| /** |
| * This method retrieves the dataset from non-volatile memory. |
| * |
| * @param[out] aDataset Where to place the dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully retrieved the dataset. |
| * @retval OT_ERROR_NOT_FOUND There is no corresponding dataset stored in non-volatile memory. |
| * |
| */ |
| otError Get(otOperationalDataset &aDataset) const; |
| |
| /** |
| * This method returns the local time this dataset was last updated or restored. |
| * |
| * @returns The local time this dataset was last updated or restored. |
| * |
| */ |
| uint32_t GetUpdateTime(void) const { return mUpdateTime; } |
| |
| #if OPENTHREAD_FTD |
| /** |
| * This method stores the dataset into non-volatile memory. |
| * |
| * @retval OT_ERROR_NONE Successfully stored the dataset. |
| * |
| */ |
| otError Set(const otOperationalDataset &aDataset); |
| #endif |
| |
| /** |
| * This method stores the dataset into non-volatile memory. |
| * |
| * @retval OT_ERROR_NONE Successfully stored the dataset. |
| * |
| */ |
| otError Set(const Dataset &aDataset); |
| |
| /** |
| * This method restores dataset from non-volatile memory. |
| * |
| * @retval OT_ERROR_NONE Successfully restore the dataset. |
| * @retval OT_ERROR_NOT_FOUND There is no corresponding dataset stored in non-volatile memory. |
| * |
| */ |
| otError Restore(void); |
| |
| /** |
| * This method compares this dataset to another based on the timestamp. |
| * |
| * @param[in] aCompare A reference to the timestamp to compare. |
| * |
| * @retval -1 if @p aCompare is older than this dataset. |
| * @retval 0 if @p aCompare is equal to this dataset. |
| * @retval 1 if @p aCompare is newer than this dataset. |
| * |
| */ |
| int Compare(const Timestamp *aCompare); |
| |
| private: |
| uint16_t GetSettingsKey(void) const; |
| void SetTimestamp(const Dataset &aDataset); |
| |
| uint32_t mUpdateTime; ///< Local time last updated |
| Tlv::Type mType; ///< Active or Pending |
| }; |
| |
| } // namespace MeshCoP |
| } // namespace ot |
| |
| #endif // MESHCOP_DATASET_LOCAL_HPP_ |