| /* |
| * Copyright (c) 2016, 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_MANAGER_HPP_ |
| #define MESHCOP_DATASET_MANAGER_HPP_ |
| |
| #include "openthread-core-config.h" |
| |
| #include "coap/coap.hpp" |
| #include "common/locator.hpp" |
| #include "common/timer.hpp" |
| #include "mac/channel_mask.hpp" |
| #include "meshcop/dataset.hpp" |
| #include "meshcop/dataset_local.hpp" |
| #include "net/udp6.hpp" |
| |
| namespace ot { |
| |
| namespace MeshCoP { |
| |
| class DatasetManager : public InstanceLocator |
| { |
| public: |
| /** |
| * This method returns a reference to the Timestamp. |
| * |
| * @returns A pointer to the Timestamp. |
| * |
| */ |
| const Timestamp *GetTimestamp(void) const; |
| |
| /** |
| * This method restores the Operational 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 @p aTimestamp to the dataset's timestamp value. |
| * |
| * @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 &aTimestamp) 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 Read(Dataset &aDataset) const { return mLocal.Read(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 Read(otOperationalDataset &aDataset) const { return mLocal.Read(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 Read(otOperationalDatasetTlvs &aDataset) const { return mLocal.Read(aDataset); } |
| |
| /** |
| * This method retrieves the channel mask from local dataset. |
| * |
| * @param[out] aChannelMask A reference to the channel mask. |
| * |
| * @retval OT_ERROR_NONE Successfully retrieved the channel mask. |
| * @retval OT_ERROR_NOT_FOUND There is no valid channel mask stored in local dataset. |
| * |
| */ |
| otError GetChannelMask(Mac::ChannelMask &aChannelMask) const; |
| |
| /** |
| * This method applies the Active or Pending Dataset to the Thread interface. |
| * |
| * @retval OT_ERROR_NONE Successfully applied configuration. |
| * @retval OT_ERROR_PARSE The dataset has at least one TLV with invalid format. |
| * |
| */ |
| otError ApplyConfiguration(void) const; |
| |
| /** |
| * This method updates the Operational Dataset when detaching from the network. |
| * |
| * On detach, the Operational Dataset is restored from non-volatile memory. |
| * |
| */ |
| void HandleDetach(void); |
| |
| /** |
| * This method sends a MGMT_SET request to the Leader. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * @param[in] aTlvs Any additional raw TLVs to include. |
| * @param[in] aLength Number of bytes in @p aTlvs. |
| * |
| * @retval OT_ERROR_NONE Successfully send the meshcop dataset command. |
| * @retval OT_ERROR_NO_BUFS Insufficient buffer space to send. |
| * |
| */ |
| otError SendSetRequest(const otOperationalDataset &aDataset, const uint8_t *aTlvs, uint8_t aLength); |
| |
| /** |
| * This method sends a MGMT_GET request. |
| * |
| * @param[in] aDatasetComponents An Operational Dataset components structure specifying components to request. |
| * @param[in] aTlvTypes A pointer to array containing additional raw TLV types to be requested. |
| * @param[in] aLength Number of bytes in @p aTlvTypes. |
| * @param[in] aAddress The IPv6 destination address for the MGMT_GET request. |
| * |
| * @retval OT_ERROR_NONE Successfully send the meshcop dataset command. |
| * @retval OT_ERROR_NO_BUFS Insufficient buffer space to send. |
| * |
| */ |
| otError SendGetRequest(const otOperationalDatasetComponents &aDatasetComponents, |
| const uint8_t * aTlvTypes, |
| uint8_t aLength, |
| const otIp6Address * aAddress) const; |
| |
| protected: |
| /** |
| * This class defines a generic Dataset TLV to read from a message. |
| * |
| */ |
| OT_TOOL_PACKED_BEGIN |
| class DatasetTlv : public Tlv |
| { |
| public: |
| /** |
| * This method reads the Dataset TLV from a given message at a given offset. |
| * |
| * @param[in] aMessage A message to read the TLV from. |
| * @param[in] aOffset An offset into the message to read from. |
| * |
| * @retval OT_ERROR_NONE The TLV was read successfully. |
| * @retval OT_ERROR_PARSE The TLV was not well-formed and could not be parsed. |
| * |
| */ |
| otError ReadFromMessage(const Message &aMessage, uint16_t aOffset); |
| |
| private: |
| enum |
| { |
| kMaxValueSize = 16, // Maximum size of a Dataset TLV value (bytes). |
| }; |
| |
| uint8_t mValue[Dataset::kMaxValueSize]; |
| } OT_TOOL_PACKED_END; |
| |
| /** |
| * This constructor initializes the object. |
| * |
| * @param[in] aInstance A reference to the OpenThread instance. |
| * @param[in] aType Identifies Active or Pending Operational Dataset. |
| * @param[in] aUriGet The URI-PATH for getting the Operational Dataset. |
| * @param[in] aUriSet The URI-PATH for setting the Operational Dataset. |
| * @param[in] aTimerHandler The registration timer handler. |
| * |
| */ |
| DatasetManager(Instance & aInstance, |
| Dataset::Type aType, |
| const char * aUriGet, |
| const char * aUriSet, |
| TimerMilli::Handler aTimerHandler); |
| |
| /** |
| * This method clears the Operational Dataset. |
| * |
| */ |
| void Clear(void); |
| |
| /** |
| * This method saves the Operational Dataset in non-volatile memory. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully applied configuration. |
| * @retval OT_ERROR_PARSE The dataset has at least one TLV with invalid format. |
| * |
| */ |
| otError Save(const Dataset &aDataset); |
| |
| /** |
| * This method saves the Operational Dataset in non-volatile memory. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully saved the dataset. |
| * @retval OT_ERROR_NOT_IMPLEMENTED The platform does not implement settings functionality. |
| * |
| */ |
| otError Save(const otOperationalDataset &aDataset); |
| |
| /** |
| * This method saves the Operational Dataset in non-volatile memory. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully saved the dataset. |
| * @retval OT_ERROR_NOT_IMPLEMENTED The platform does not implement settings functionality. |
| * |
| */ |
| otError Save(const otOperationalDatasetTlvs &aDataset); |
| |
| /** |
| * This method sets the Operational Dataset for the partition. |
| * |
| * This method also updates the non-volatile version if the partition's Operational Dataset is newer. |
| * |
| * @param[in] aTimestamp The timestamp for the Operational Dataset. |
| * @param[in] aMessage The message buffer. |
| * @param[in] aOffset The offset where the Operational Dataset begins. |
| * @param[in] aLength The length of the Operational Dataset. |
| * |
| */ |
| otError Save(const Timestamp &aTimestamp, const Message &aMessage, uint16_t aOffset, uint8_t aLength); |
| |
| /** |
| * This method handles a MGMT_GET request message. |
| * |
| * @param[in] aHeader The CoAP header. |
| * @param[in] aMessage The CoAP message buffer. |
| * @param[in] aMessageInfo The message info. |
| * |
| */ |
| void HandleGet(const Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo) const; |
| |
| /** |
| * This method compares the partition's Operational Dataset with that stored in non-volatile memory. |
| * |
| * If the partition's Operational Dataset is newer, the non-volatile storage is updated. |
| * If the partition's Operational Dataset is older, the registration process is started. |
| * |
| */ |
| void HandleNetworkUpdate(void); |
| |
| /** |
| * This method initiates a network data registration message with the Leader. |
| * |
| */ |
| void HandleTimer(void); |
| |
| DatasetLocal mLocal; |
| Timestamp mTimestamp; |
| bool mTimestampValid : 1; |
| |
| private: |
| static void HandleUdpReceive(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo); |
| void HandleUdpReceive(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo); |
| |
| static void HandleCoapResponse(void * aContext, |
| otMessage * aMessage, |
| const otMessageInfo *aMessageInfo, |
| otError aError); |
| void HandleCoapResponse(void); |
| |
| void HandleDatasetUpdated(void); |
| void SendSet(void); |
| void SendGetResponse(const Coap::Message & aRequest, |
| const Ip6::MessageInfo &aMessageInfo, |
| uint8_t * aTlvs, |
| uint8_t aLength) const; |
| |
| enum |
| { |
| kMaxDatasetTlvs = 16, // Maximum number of TLVs in an `otOperationalDataset`. |
| kDelayNoBufs = 1000, // Milliseconds |
| }; |
| |
| TimerMilli mTimer; |
| |
| const char *mUriGet; |
| const char *mUriSet; |
| |
| bool mCoapPending : 1; |
| |
| #if OPENTHREAD_FTD |
| public: |
| /** |
| * This method appends the MLE Dataset TLV but excluding MeshCoP Sub Timestamp TLV. |
| * |
| * @retval OT_ERROR_NONE Successfully append MLE Dataset TLV without MeshCoP Sub Timestamp TLV. |
| * @retval OT_ERROR_NO_BUFS Insufficient available buffers to append the message with MLE Dataset TLV. |
| * |
| */ |
| otError AppendMleDatasetTlv(Message &aMessage) const; |
| |
| protected: |
| /** |
| * This method handles the MGMT_SET request message. |
| * |
| * @param[in] aHeader The CoAP header. |
| * @param[in] aMessage The CoAP message buffer. |
| * @param[in] aMessageInfo The message info. |
| * |
| * @retval OT_ERROR_NONE The MGMT_SET request message was handled successfully. |
| * @retval OT_ERROR_DROP The MGMT_SET request message was dropped. |
| * |
| */ |
| otError HandleSet(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo); |
| |
| private: |
| void SendSetResponse(const Coap::Message &aRequest, const Ip6::MessageInfo &aMessageInfo, StateTlv::State aState); |
| #endif // OPENTHREAD_FTD |
| }; |
| |
| class ActiveDataset : public DatasetManager |
| { |
| public: |
| /** |
| * Constructor. |
| * |
| * @param[in] aInstance A reference to the OpenThread instance. |
| * |
| */ |
| explicit ActiveDataset(Instance &aInstance); |
| |
| /** |
| * This method indicates whether the Active Dataset is partially complete. |
| * |
| * This method is primarily used to determine whether a user has supplied a partial Active Dataset for use |
| * with joining a network. |
| * |
| * @retval TRUE if an Active Dataset is saved but does not include an Active Timestamp. |
| * @retval FALSE if an Active Dataset is not saved or does include an Active Timestamp. |
| * |
| */ |
| bool IsPartiallyComplete(void) const; |
| |
| /** |
| * This method clears the Active Operational Dataset. |
| * |
| */ |
| void Clear(void) { DatasetManager::Clear(); } |
| |
| /** |
| * This method saves the Operational Dataset in non-volatile memory. |
| * |
| * This method also reconfigures the Thread interface. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| */ |
| void Save(const Dataset &aDataset) { IgnoreError(DatasetManager::Save(aDataset)); } |
| |
| /** |
| * This method sets the Operational Dataset for the partition. |
| * |
| * This method also reconfigures the Thread interface. |
| * This method also updates the non-volatile version if the partition's Operational Dataset is newer. |
| * |
| * @param[in] aTimestamp The timestamp for the Operational Dataset. |
| * @param[in] aMessage The message buffer. |
| * @param[in] aOffset The offset where the Operational Dataset begins. |
| * @param[in] aLength The length of the Operational Dataset. |
| * |
| */ |
| otError Save(const Timestamp &aTimestamp, const Message &aMessage, uint16_t aOffset, uint8_t aLength); |
| |
| /** |
| * This method sets the Operational Dataset in non-volatile memory. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully saved the dataset. |
| * @retval OT_ERROR_NOT_IMPLEMENTED The platform does not implement settings functionality. |
| * |
| */ |
| otError Save(const otOperationalDataset &aDataset) { return DatasetManager::Save(aDataset); } |
| |
| /** |
| * This method sets the Operational Dataset in non-volatile memory. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully saved the dataset. |
| * @retval OT_ERROR_NOT_IMPLEMENTED The platform does not implement settings functionality. |
| * |
| */ |
| otError Save(const otOperationalDatasetTlvs &aDataset) { return DatasetManager::Save(aDataset); } |
| |
| #if OPENTHREAD_FTD |
| |
| /** |
| * This method creates a new Operational Dataset to use when forming a new network. |
| * |
| * @param[out] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully created a new Operational Dataset. |
| * @retval OT_ERROR_FAILED Failed to generate random values for new parameters. |
| * |
| */ |
| otError CreateNewNetwork(otOperationalDataset &aDataset); |
| |
| /** |
| * This method starts the Leader functions for maintaining the Active Operational Dataset. |
| * |
| */ |
| void StartLeader(void); |
| |
| /** |
| * This method stops the Leader functions for maintaining the Active Operational Dataset. |
| * |
| */ |
| void StopLeader(void); |
| |
| /** |
| * This method generate a default Active Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully generated an Active Operational Dataset. |
| * @retval OT_ERROR_ALREADY A valid Active Operational Dataset already exists. |
| * @retval OT_ERROR_INVALID_STATE Device is not currently attached to a network. |
| * |
| */ |
| otError GenerateLocal(void); |
| #endif |
| |
| private: |
| static void HandleTimer(Timer &aTimer); |
| void HandleTimer(void) { DatasetManager::HandleTimer(); } |
| |
| static void HandleGet(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo); |
| void HandleGet(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo) const; |
| |
| #if OPENTHREAD_FTD |
| static void HandleSet(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo); |
| void HandleSet(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo); |
| #endif |
| |
| Coap::Resource mResourceGet; |
| |
| #if OPENTHREAD_FTD |
| Coap::Resource mResourceSet; |
| #endif |
| }; |
| |
| class PendingDataset : public DatasetManager |
| { |
| public: |
| /** |
| * Constructor. |
| * |
| * @param[in] The Thread network interface. |
| * |
| */ |
| explicit PendingDataset(Instance &aInstance); |
| |
| /** |
| * This method clears the Pending Operational Dataset. |
| * |
| * This method also stops the Delay Timer if it was active. |
| * |
| */ |
| void Clear(void); |
| |
| /** |
| * This method clears the network Pending Operational Dataset. |
| * |
| * This method also stops the Delay Timer if it was active. |
| * |
| */ |
| void ClearNetwork(void); |
| |
| /** |
| * This method saves the Operational Dataset in non-volatile memory. |
| * |
| * This method also starts the Delay Timer. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully saved the dataset. |
| * @retval OT_ERROR_NOT_IMPLEMENTED The platform does not implement settings functionality. |
| * |
| */ |
| otError Save(const otOperationalDataset &aDataset); |
| |
| /** |
| * This method saves the Operational Dataset in non-volatile memory. |
| * |
| * This method also starts the Delay Timer. |
| * |
| * @param[in] aDataset The Operational Dataset. |
| * |
| * @retval OT_ERROR_NONE Successfully saved the dataset. |
| * @retval OT_ERROR_NOT_IMPLEMENTED The platform does not implement settings functionality. |
| * |
| */ |
| otError Save(const otOperationalDatasetTlvs &aDataset); |
| |
| /** |
| * This method sets the Operational Dataset for the partition. |
| * |
| * This method also updates the non-volatile version if the partition's Operational Dataset is newer. |
| * |
| * This method also starts the Delay Timer. |
| * |
| * @param[in] aTimestamp The timestamp for the Operational Dataset. |
| * @param[in] aMessage The message buffer. |
| * @param[in] aOffset The offset where the Operational Dataset begins. |
| * @param[in] aLength The length of the Operational Dataset. |
| * |
| */ |
| otError Save(const Timestamp &aTimestamp, const Message &aMessage, uint16_t aOffset, uint8_t aLength); |
| |
| #if OPENTHREAD_FTD |
| |
| /** |
| * This method starts the Leader functions for maintaining the Active Operational Dataset. |
| * |
| */ |
| void StartLeader(void); |
| |
| /** |
| * This method stops the Leader functions for maintaining the Active Operational Dataset. |
| * |
| */ |
| void StopLeader(void); |
| |
| /** |
| * This method generates a Pending Dataset from an Active Dataset. |
| * |
| * @param[in] aTimestamp The Active Dataset Timestamp. |
| * @param[in] aMessage The MGMT_SET message that contains an Active Dataset. |
| * |
| */ |
| void ApplyActiveDataset(const Timestamp &aTimestamp, Coap::Message &aMessage); |
| #endif |
| |
| private: |
| void StartDelayTimer(void); |
| |
| static void HandleTimer(Timer &aTimer); |
| void HandleTimer(void) { DatasetManager::HandleTimer(); } |
| |
| static void HandleDelayTimer(Timer &aTimer); |
| void HandleDelayTimer(void); |
| |
| static void HandleGet(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo); |
| void HandleGet(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo) const; |
| |
| #if OPENTHREAD_FTD |
| static void HandleSet(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo); |
| void HandleSet(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo); |
| #endif |
| |
| TimerMilli mDelayTimer; |
| |
| Coap::Resource mResourceGet; |
| |
| #if OPENTHREAD_FTD |
| Coap::Resource mResourceSet; |
| #endif |
| }; |
| |
| } // namespace MeshCoP |
| } // namespace ot |
| |
| #endif // MESHCOP_DATASET_MANAGER_HPP_ |