blob: 3809513736f74a7c81af54c7dbd8a3e66fc6ceec [file] [log] [blame]
/*
* 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_HPP_
#define MESHCOP_DATASET_HPP_
#include "openthread-core-config.h"
#include <openthread/dataset.h>
#include "common/as_core_type.hpp"
#include "common/clearable.hpp"
#include "common/const_cast.hpp"
#include "common/locator.hpp"
#include "common/message.hpp"
#include "common/timer.hpp"
#include "common/type_traits.hpp"
#include "meshcop/meshcop_tlvs.hpp"
#include "thread/mle_types.hpp"
namespace ot {
namespace MeshCoP {
/**
* This class represents MeshCop Dataset.
*
*/
class Dataset
{
friend class DatasetLocal;
public:
static constexpr uint8_t kMaxSize = OT_OPERATIONAL_DATASET_MAX_LENGTH; ///< Max size of MeshCoP Dataset (bytes)
static constexpr uint8_t kMaxValueSize = 16; ///< Max size of a TLV value (bytes)
static constexpr uint8_t kMaxGetTypes = 64; ///< Max number of types in MGMT_GET.req
/**
* This enumeration represents the Dataset type (active or pending).
*
*/
enum Type : uint8_t
{
kActive, ///< Active Dataset
kPending, ///< Pending Dataset
};
/**
* This class represents presence of different components in Active or Pending Operational Dataset.
*
*/
class Components : public otOperationalDatasetComponents, public Clearable<Components>
{
public:
/**
* This method indicates whether or not the Active Timestamp is present in the Dataset.
*
* @returns TRUE if Active Timestamp is present, FALSE otherwise.
*
*/
bool IsActiveTimestampPresent(void) const { return mIsActiveTimestampPresent; }
/**
* This method indicates whether or not the Pending Timestamp is present in the Dataset.
*
* @returns TRUE if Pending Timestamp is present, FALSE otherwise.
*
*/
bool IsPendingTimestampPresent(void) const { return mIsPendingTimestampPresent; }
/**
* This method indicates whether or not the Network Key is present in the Dataset.
*
* @returns TRUE if Network Key is present, FALSE otherwise.
*
*/
bool IsNetworkKeyPresent(void) const { return mIsNetworkKeyPresent; }
/**
* This method indicates whether or not the Network Name is present in the Dataset.
*
* @returns TRUE if Network Name is present, FALSE otherwise.
*
*/
bool IsNetworkNamePresent(void) const { return mIsNetworkNamePresent; }
/**
* This method indicates whether or not the Extended PAN ID is present in the Dataset.
*
* @returns TRUE if Extended PAN ID is present, FALSE otherwise.
*
*/
bool IsExtendedPanIdPresent(void) const { return mIsExtendedPanIdPresent; }
/**
* This method indicates whether or not the Mesh Local Prefix is present in the Dataset.
*
* @returns TRUE if Mesh Local Prefix is present, FALSE otherwise.
*
*/
bool IsMeshLocalPrefixPresent(void) const { return mIsMeshLocalPrefixPresent; }
/**
* This method indicates whether or not the Delay Timer is present in the Dataset.
*
* @returns TRUE if Delay Timer is present, FALSE otherwise.
*
*/
bool IsDelayPresent(void) const { return mIsDelayPresent; }
/**
* This method indicates whether or not the PAN ID is present in the Dataset.
*
* @returns TRUE if PAN ID is present, FALSE otherwise.
*
*/
bool IsPanIdPresent(void) const { return mIsPanIdPresent; }
/**
* This method indicates whether or not the Channel is present in the Dataset.
*
* @returns TRUE if Channel is present, FALSE otherwise.
*
*/
bool IsChannelPresent(void) const { return mIsChannelPresent; }
/**
* This method indicates whether or not the PSKc is present in the Dataset.
*
* @returns TRUE if PSKc is present, FALSE otherwise.
*
*/
bool IsPskcPresent(void) const { return mIsPskcPresent; }
/**
* This method indicates whether or not the Security Policy is present in the Dataset.
*
* @returns TRUE if Security Policy is present, FALSE otherwise.
*
*/
bool IsSecurityPolicyPresent(void) const { return mIsSecurityPolicyPresent; }
/**
* This method indicates whether or not the Channel Mask is present in the Dataset.
*
* @returns TRUE if Channel Mask is present, FALSE otherwise.
*
*/
bool IsChannelMaskPresent(void) const { return mIsChannelMaskPresent; }
};
/**
* This type represents the information about the fields contained an Active or Pending Operational Dataset.
*
*/
class Info : public otOperationalDataset, public Clearable<Info>
{
public:
/**
* This method indicates whether or not the Active Timestamp is present in the Dataset.
*
* @returns TRUE if Active Timestamp is present, FALSE otherwise.
*
*/
bool IsActiveTimestampPresent(void) const { return mComponents.mIsActiveTimestampPresent; }
/**
* This method gets the Active Timestamp in the Dataset.
*
* This method MUST be used when Active Timestamp component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The Active Timestamp in the Dataset.
*
*/
void GetActiveTimestamp(Timestamp &aTimestamp) const { aTimestamp.SetFromTimestamp(mActiveTimestamp); }
/**
* This method sets the Active Timestamp in the Dataset.
*
* @param[in] aTimestamp A Timestamp value.
*
*/
void SetActiveTimestamp(const Timestamp &aTimestamp)
{
aTimestamp.ConvertTo(mActiveTimestamp);
mComponents.mIsActiveTimestampPresent = true;
}
/**
* This method indicates whether or not the Pending Timestamp is present in the Dataset.
*
* @returns TRUE if Pending Timestamp is present, FALSE otherwise.
*
*/
bool IsPendingTimestampPresent(void) const { return mComponents.mIsPendingTimestampPresent; }
/**
* This method gets the Pending Timestamp in the Dataset.
*
* This method MUST be used when Pending Timestamp component is present in the Dataset, otherwise its behavior
* is undefined.
*
* @returns The Pending Timestamp in the Dataset.
*
*/
void GetPendingTimestamp(Timestamp &aTimestamp) const { aTimestamp.SetFromTimestamp(mPendingTimestamp); }
/**
* This method sets the Pending Timestamp in the Dataset.
*
* @param[in] aTimestamp A Timestamp value.
*
*/
void SetPendingTimestamp(const Timestamp &aTimestamp)
{
aTimestamp.ConvertTo(mPendingTimestamp);
mComponents.mIsPendingTimestampPresent = true;
}
/**
* This method indicates whether or not the Network Key is present in the Dataset.
*
* @returns TRUE if Network Key is present, FALSE otherwise.
*
*/
bool IsNetworkKeyPresent(void) const { return mComponents.mIsNetworkKeyPresent; }
/**
* This method gets the Network Key in the Dataset.
*
* This method MUST be used when Network Key component is present in the Dataset, otherwise its behavior
* is undefined.
*
* @returns The Network Key in the Dataset.
*
*/
const NetworkKey &GetNetworkKey(void) const { return AsCoreType(&mNetworkKey); }
/**
* This method sets the Network Key in the Dataset.
*
* @param[in] aNetworkKey A Network Key.
*
*/
void SetNetworkKey(const NetworkKey &aNetworkKey)
{
mNetworkKey = aNetworkKey;
mComponents.mIsNetworkKeyPresent = true;
}
/**
* This method returns a reference to the Network Key in the Dataset to be updated by caller.
*
* @returns A reference to the Network Key in the Dataset.
*
*/
NetworkKey &UpdateNetworkKey(void)
{
mComponents.mIsNetworkKeyPresent = true;
return AsCoreType(&mNetworkKey);
}
/**
* This method indicates whether or not the Network Name is present in the Dataset.
*
* @returns TRUE if Network Name is present, FALSE otherwise.
*
*/
bool IsNetworkNamePresent(void) const { return mComponents.mIsNetworkNamePresent; }
/**
* This method gets the Network Name in the Dataset.
*
* This method MUST be used when Network Name component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The Network Name in the Dataset.
*
*/
const NetworkName &GetNetworkName(void) const { return AsCoreType(&mNetworkName); }
/**
* This method sets the Network Name in the Dataset.
*
* @param[in] aNetworkNameData A Network Name Data.
*
*/
void SetNetworkName(const NameData &aNetworkNameData)
{
IgnoreError(AsCoreType(&mNetworkName).Set(aNetworkNameData));
mComponents.mIsNetworkNamePresent = true;
}
/**
* This method indicates whether or not the Extended PAN ID is present in the Dataset.
*
* @returns TRUE if Extended PAN ID is present, FALSE otherwise.
*
*/
bool IsExtendedPanIdPresent(void) const { return mComponents.mIsExtendedPanIdPresent; }
/**
* This method gets the Extended PAN ID in the Dataset.
*
* This method MUST be used when Extended PAN ID component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The Extended PAN ID in the Dataset.
*
*/
const ExtendedPanId &GetExtendedPanId(void) const { return AsCoreType(&mExtendedPanId); }
/**
* This method sets the Extended PAN ID in the Dataset.
*
* @param[in] aExtendedPanId An Extended PAN ID.
*
*/
void SetExtendedPanId(const ExtendedPanId &aExtendedPanId)
{
mExtendedPanId = aExtendedPanId;
mComponents.mIsExtendedPanIdPresent = true;
}
/**
* This method indicates whether or not the Mesh Local Prefix is present in the Dataset.
*
* @returns TRUE if Mesh Local Prefix is present, FALSE otherwise.
*
*/
bool IsMeshLocalPrefixPresent(void) const { return mComponents.mIsMeshLocalPrefixPresent; }
/**
* This method gets the Mesh Local Prefix in the Dataset.
*
* This method MUST be used when Mesh Local Prefix component is present in the Dataset, otherwise its behavior
* is undefined.
*
* @returns The Mesh Local Prefix in the Dataset.
*
*/
const Ip6::NetworkPrefix &GetMeshLocalPrefix(void) const
{
return static_cast<const Ip6::NetworkPrefix &>(mMeshLocalPrefix);
}
/**
* This method sets the Mesh Local Prefix in the Dataset.
*
* @param[in] aMeshLocalPrefix A Mesh Local Prefix.
*
*/
void SetMeshLocalPrefix(const Ip6::NetworkPrefix &aMeshLocalPrefix)
{
mMeshLocalPrefix = aMeshLocalPrefix;
mComponents.mIsMeshLocalPrefixPresent = true;
}
/**
* This method indicates whether or not the Delay Timer is present in the Dataset.
*
* @returns TRUE if Delay Timer is present, FALSE otherwise.
*
*/
bool IsDelayPresent(void) const { return mComponents.mIsDelayPresent; }
/**
* This method gets the Delay Timer in the Dataset.
*
* This method MUST be used when Delay Timer component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The Delay Timer in the Dataset.
*
*/
uint32_t GetDelay(void) const { return mDelay; }
/**
* This method sets the Delay Timer in the Dataset.
*
* @param[in] aDelay A Delay value.
*
*/
void SetDelay(uint32_t aDelay)
{
mDelay = aDelay;
mComponents.mIsDelayPresent = true;
}
/**
* This method indicates whether or not the PAN ID is present in the Dataset.
*
* @returns TRUE if PAN ID is present, FALSE otherwise.
*
*/
bool IsPanIdPresent(void) const { return mComponents.mIsPanIdPresent; }
/**
* This method gets the PAN ID in the Dataset.
*
* This method MUST be used when PAN ID component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The PAN ID in the Dataset.
*
*/
Mac::PanId GetPanId(void) const { return mPanId; }
/**
* This method sets the PAN ID in the Dataset.
*
* @param[in] aPanId A PAN ID.
*
*/
void SetPanId(Mac::PanId aPanId)
{
mPanId = aPanId;
mComponents.mIsPanIdPresent = true;
}
/**
* This method indicates whether or not the Channel is present in the Dataset.
*
* @returns TRUE if Channel is present, FALSE otherwise.
*
*/
bool IsChannelPresent(void) const { return mComponents.mIsChannelPresent; }
/**
* This method gets the Channel in the Dataset.
*
* This method MUST be used when Channel component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The Channel in the Dataset.
*
*/
uint16_t GetChannel(void) const { return mChannel; }
/**
* This method sets the Channel in the Dataset.
*
* @param[in] aChannel A Channel.
*
*/
void SetChannel(uint16_t aChannel)
{
mChannel = aChannel;
mComponents.mIsChannelPresent = true;
}
/**
* This method indicates whether or not the PSKc is present in the Dataset.
*
* @returns TRUE if PSKc is present, FALSE otherwise.
*
*/
bool IsPskcPresent(void) const { return mComponents.mIsPskcPresent; }
/**
* This method gets the PSKc in the Dataset.
*
* This method MUST be used when PSKc component is present in the Dataset, otherwise its behavior is undefined.
*
* @returns The PSKc in the Dataset.
*
*/
const Pskc &GetPskc(void) const { return AsCoreType(&mPskc); }
/**
* This method set the PSKc in the Dataset.
*
* @param[in] aPskc A PSKc value.
*
*/
void SetPskc(const Pskc &aPskc)
{
mPskc = aPskc;
mComponents.mIsPskcPresent = true;
}
/**
* This method indicates whether or not the Security Policy is present in the Dataset.
*
* @returns TRUE if Security Policy is present, FALSE otherwise.
*
*/
bool IsSecurityPolicyPresent(void) const { return mComponents.mIsSecurityPolicyPresent; }
/**
* This method gets the Security Policy in the Dataset.
*
* This method MUST be used when Security Policy component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The Security Policy in the Dataset.
*
*/
const SecurityPolicy &GetSecurityPolicy(void) const { return AsCoreType(&mSecurityPolicy); }
/**
* This method sets the Security Policy in the Dataset.
*
* @param[in] aSecurityPolicy A Security Policy to set in Dataset.
*
*/
void SetSecurityPolicy(const SecurityPolicy &aSecurityPolicy)
{
mSecurityPolicy = aSecurityPolicy;
mComponents.mIsSecurityPolicyPresent = true;
}
/**
* This method indicates whether or not the Channel Mask is present in the Dataset.
*
* @returns TRUE if Channel Mask is present, FALSE otherwise.
*
*/
bool IsChannelMaskPresent(void) const { return mComponents.mIsChannelMaskPresent; }
/**
* This method gets the Channel Mask in the Dataset.
*
* This method MUST be used when Channel Mask component is present in the Dataset, otherwise its behavior is
* undefined.
*
* @returns The Channel Mask in the Dataset.
*
*/
otChannelMask GetChannelMask(void) const { return mChannelMask; }
/**
* This method sets the Channel Mask in the Dataset.
*
* @param[in] aChannelMask A Channel Mask value.
*
*/
void SetChannelMask(otChannelMask aChannelMask)
{
mChannelMask = aChannelMask;
mComponents.mIsChannelMaskPresent = true;
}
/**
* This method populates the Dataset with random fields.
*
* The Network Key, PSKc, Mesh Local Prefix, PAN ID, and Extended PAN ID are generated randomly (crypto-secure)
* with Network Name set to "OpenThread-%04x" with PAN ID appended as hex. The Channel is chosen randomly from
* radio's preferred channel mask, Channel Mask is set from radio's supported mask, and Security Policy Flags
* from current `KeyManager` value.
*
* @param[in] aInstance The OpenThread instance.
*
* @retval kErrorNone If the Dataset was generated successfully.
*
*/
Error GenerateRandom(Instance &aInstance);
/**
* This method checks whether the Dataset is a subset of another one, i.e., all the components in the current
* Dataset are also present in the @p aOther and the component values fully match.
*
* The matching of components in the two Datasets excludes Active/Pending Timestamp and Delay components.
*
* @param[in] aOther The other Dataset to check against.
*
* @retval TRUE The current dataset is a subset of @p aOther.
* @retval FALSE The current Dataset is not a subset of @p aOther.
*
*/
bool IsSubsetOf(const Info &aOther) const;
};
/**
* This constructor initializes the object.
*
*/
Dataset(void);
/**
* This method clears the Dataset.
*
*/
void Clear(void);
/**
* This method indicates whether or not the dataset appears to be well-formed.
*
* @returns TRUE if the dataset appears to be well-formed, FALSE otherwise.
*
*/
bool IsValid(void) const;
/**
* This method returns a pointer to the TLV with a given type.
*
* @param[in] aType A TLV type.
*
* @returns A pointer to the TLV or `nullptr` if none is found.
*
*/
Tlv *GetTlv(Tlv::Type aType) { return AsNonConst(AsConst(this)->GetTlv(aType)); }
/**
* This method returns a pointer to the TLV with a given type.
*
* @param[in] aType The TLV type.
*
* @returns A pointer to the TLV or `nullptr` if none is found.
*
*/
const Tlv *GetTlv(Tlv::Type aType) const;
/**
* This template method returns a pointer to the TLV with a given template type `TlvType`
*
* @returns A pointer to the TLV or `nullptr` if none is found.
*
*/
template <typename TlvType> TlvType *GetTlv(void)
{
return As<TlvType>(GetTlv(static_cast<Tlv::Type>(TlvType::kType)));
}
/**
* This template method returns a pointer to the TLV with a given template type `TlvType`
*
* @returns A pointer to the TLV or `nullptr` if none is found.
*
*/
template <typename TlvType> const TlvType *GetTlv(void) const
{
return As<TlvType>(GetTlv(static_cast<Tlv::Type>(TlvType::kType)));
}
/**
* This method returns a pointer to the byte representation of the Dataset.
*
* @returns A pointer to the byte representation of the Dataset.
*
*/
uint8_t *GetBytes(void) { return mTlvs; }
/**
* This method returns a pointer to the byte representation of the Dataset.
*
* @returns A pointer to the byte representation of the Dataset.
*
*/
const uint8_t *GetBytes(void) const { return mTlvs; }
/**
* This method converts the TLV representation to structure representation.
*
* @param[out] aDatasetInfo A reference to `Info` object to output the Dataset.
*
*/
void ConvertTo(Info &aDatasetInfo) const;
/**
* This method converts the TLV representation to structure representation.
*
* @param[out] aDataset A reference to `otOperationalDatasetTlvs` to output the Dataset.
*
*/
void ConvertTo(otOperationalDatasetTlvs &aDataset) const;
/**
* This method returns the Dataset size in bytes.
*
* @returns The Dataset size in bytes.
*
*/
uint16_t GetSize(void) const { return mLength; }
/**
* This method sets the Dataset size in bytes.
*
* @param[in] aSize The Dataset size in bytes.
*
*/
void SetSize(uint16_t aSize) { mLength = aSize; }
/**
* This method returns the local time the dataset was last updated.
*
* @returns The local time the dataset was last updated.
*
*/
TimeMilli GetUpdateTime(void) const { return mUpdateTime; }
/**
* This method gets the Timestamp (Active or Pending).
*
* @param[in] aType The type: active or pending.
* @param[out] aTimestamp A reference to a `Timestamp` to output the value.
*
* @retval kErrorNone Timestamp was read successfully. @p aTimestamp is updated.
* @retval kErrorNotFound Could not find the requested Timestamp TLV.
*
*/
Error GetTimestamp(Type aType, Timestamp &aTimestamp) const;
/**
* This method sets the Timestamp value.
*
* @param[in] aType The type: active or pending.
* @param[in] aTimestamp A Timestamp.
*
*/
void SetTimestamp(Type aType, const Timestamp &aTimestamp);
/**
* This method sets a TLV in the Dataset.
*
* @param[in] aTlv A reference to the TLV.
*
* @retval kErrorNone Successfully set the TLV.
* @retval kErrorNoBufs Could not set the TLV due to insufficient buffer space.
*
*/
Error SetTlv(const Tlv &aTlv);
/**
* This method sets a TLV with a given TLV Type and Value.
*
* @param[in] aType The TLV Type.
* @param[in] aValue A pointer to TLV Value.
* @param[in] aLength The TLV Length in bytes (length of @p aValue).
*
* @retval kErrorNone Successfully set the TLV.
* @retval kErrorNoBufs Could not set the TLV due to insufficient buffer space.
*
*/
Error SetTlv(Tlv::Type aType, const void *aValue, uint8_t aLength);
/**
* This template method sets a TLV with a given TLV Type and Value.
*
* @tparam ValueType The type of TLV's Value.
*
* @param[in] aType The TLV Type.
* @param[in] aValue The TLV Value (of type `ValueType`).
*
* @retval kErrorNone Successfully set the TLV.
* @retval kErrorNoBufs Could not set the TLV due to insufficient buffer space.
*
*/
template <typename ValueType> Error SetTlv(Tlv::Type aType, const ValueType &aValue)
{
static_assert(!TypeTraits::IsPointer<ValueType>::kValue, "ValueType must not be a pointer");
return SetTlv(aType, &aValue, sizeof(ValueType));
}
/**
* This method reads the Dataset from a given message and checks that it is well-formed and valid.
*
* @param[in] aMessage The message to read from.
* @param[in] aOffset The offset in @p aMessage to start reading the Dataset TLVs.
* @param[in] aLength The dataset length in bytes.
*
* @retval kErrorNone Successfully read and validated the Dataset.
* @retval kErrorParse Could not read or parse the dataset from @p aMessage.
*
*/
Error ReadFromMessage(const Message &aMessage, uint16_t aOffset, uint8_t aLength);
/**
* This method sets the Dataset using an existing Dataset.
*
* If this Dataset is an Active Dataset, any Pending Timestamp and Delay Timer TLVs will be omitted in the copy
* from @p aDataset.
*
* @param[in] aType The type of the dataset, active or pending.
* @param[in] aDataset The input Dataset.
*
*/
void Set(Type aType, const Dataset &aDataset);
/**
* This method sets the Dataset from a given structure representation.
*
* @param[in] aDatasetInfo The input Dataset as `Dataset::Info`.
*
* @retval kErrorNone Successfully set the Dataset.
* @retval kErrorInvalidArgs Dataset is missing Active and/or Pending Timestamp.
*
*/
Error SetFrom(const Info &aDatasetInfo);
/**
* This method sets the Dataset using @p aDataset.
*
* @param[in] aDataset The input Dataset as otOperationalDatasetTlvs.
*
*/
void SetFrom(const otOperationalDatasetTlvs &aDataset);
/**
* This method removes a TLV from the Dataset.
*
* @param[in] aType The type of a specific TLV.
*
*/
void RemoveTlv(Tlv::Type aType);
/**
* This method appends the MLE Dataset TLV but excluding MeshCoP Sub Timestamp TLV.
*
* @param[in] aType The type of the dataset, active or pending.
* @param[in] aMessage A message to append to.
*
* @retval kErrorNone Successfully append MLE Dataset TLV without MeshCoP Sub Timestamp TLV.
* @retval kErrorNoBufs Insufficient available buffers to append the message with MLE Dataset TLV.
*
*/
Error AppendMleDatasetTlv(Type aType, Message &aMessage) const;
/**
* This method applies the Active or Pending Dataset to the Thread interface.
*
* @param[in] aInstance A reference to the OpenThread instance.
* @param[out] aIsNetworkKeyUpdated A pointer to where to place whether network key was updated.
*
* @retval kErrorNone Successfully applied configuration.
* @retval kErrorParse The dataset has at least one TLV with invalid format.
*
*/
Error ApplyConfiguration(Instance &aInstance, bool *aIsNetworkKeyUpdated = nullptr) const;
/**
* This method converts a Pending Dataset to an Active Dataset.
*
* This method removes the Delay Timer and Pending Timestamp TLVs
*
*/
void ConvertToActive(void);
/**
* This method returns a pointer to the start of Dataset TLVs sequence.
*
* @return A pointer to the start of Dataset TLVs sequence.
*
*/
Tlv *GetTlvsStart(void) { return reinterpret_cast<Tlv *>(mTlvs); }
/**
* This method returns a pointer to the start of Dataset TLVs sequence.
*
* @return A pointer to start of Dataset TLVs sequence.
*
*/
const Tlv *GetTlvsStart(void) const { return reinterpret_cast<const Tlv *>(mTlvs); }
/**
* This method returns a pointer to the past-the-end of Dataset TLVs sequence.
*
* Note that past-the-end points to the byte after the end of the last TLV in Dataset TLVs sequence.
*
* @return A pointer to past-the-end of Dataset TLVs sequence.
*
*/
Tlv *GetTlvsEnd(void) { return reinterpret_cast<Tlv *>(mTlvs + mLength); }
/**
* This method returns a pointer to the past-the-end of Dataset TLVs sequence.
*
* Note that past-the-end points to the byte after the end of the last TLV in Dataset TLVs sequence.
*
* @return A pointer to past-the-end of Dataset TLVs sequence.
*
*/
const Tlv *GetTlvsEnd(void) const { return reinterpret_cast<const Tlv *>(mTlvs + mLength); }
/**
* This static method converts a Dataset Type to a string.
*
* @param[in] aType A Dataset type.
*
*/
static const char *TypeToString(Type aType);
private:
void RemoveTlv(Tlv *aTlv);
uint8_t mTlvs[kMaxSize]; ///< The Dataset buffer
TimeMilli mUpdateTime; ///< Local time last updated
uint16_t mLength; ///< The number of valid bytes in @var mTlvs
};
/**
* This is a template specialization of `SetTlv<ValueType>` with a `uint16_t` value type.
*
* @param[in] aType The TLV Type.
* @param[in] aValue The TLV value (as `uint16_t`).
*
* @retval kErrorNone Successfully set the TLV.
* @retval kErrorNoBufs Could not set the TLV due to insufficient buffer space.
*
*/
template <> inline Error Dataset::SetTlv(Tlv::Type aType, const uint16_t &aValue)
{
uint16_t value = Encoding::BigEndian::HostSwap16(aValue);
return SetTlv(aType, &value, sizeof(uint16_t));
}
/**
* This is a template specialization of `SetTlv<ValueType>` with a `uint32_t` value type
*
* @param[in] aType The TLV Type.
* @param[in] aValue The TLV value (as `uint32_t`).
*
* @retval kErrorNone Successfully set the TLV.
* @retval kErrorNoBufs Could not set the TLV due to insufficient buffer space.
*
*/
template <> inline Error Dataset::SetTlv(Tlv::Type aType, const uint32_t &aValue)
{
uint32_t value = Encoding::BigEndian::HostSwap32(aValue);
return SetTlv(aType, &value, sizeof(uint32_t));
}
} // namespace MeshCoP
DefineCoreType(otOperationalDatasetComponents, MeshCoP::Dataset::Components);
DefineCoreType(otOperationalDataset, MeshCoP::Dataset::Info);
} // namespace ot
#endif // MESHCOP_DATASET_HPP_