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/*
* 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 MLE functionality required by the Thread Router and Leader roles.
*/
#ifndef MLE_ROUTER_FTD_HPP_
#define MLE_ROUTER_FTD_HPP_
#include "openthread-core-config.h"
#include <openthread/thread_ftd.h>
#include "coap/coap.hpp"
#include "coap/coap_message.hpp"
#include "common/timer.hpp"
#include "common/trickle_timer.hpp"
#include "mac/mac_types.hpp"
#include "meshcop/meshcop_tlvs.hpp"
#include "net/icmp6.hpp"
#include "net/udp6.hpp"
#include "thread/child_table.hpp"
#include "thread/mle.hpp"
#include "thread/mle_tlvs.hpp"
#include "thread/router_table.hpp"
#include "thread/thread_tlvs.hpp"
#include "thread/topology.hpp"
namespace ot {
namespace Mle {
/**
* @addtogroup core-mle-router
*
* @brief
* This module includes definitions for MLE functionality required by the Thread Router and Leader roles.
*
* @{
*/
/**
* This class implements MLE functionality required by the Thread Router and Leader roles.
*
*/
class MleRouter : public Mle
{
friend class Mle;
friend class ot::Instance;
public:
/**
* This constructor initializes the object.
*
* @param[in] aInstance A reference to the OpenThread instance.
*
*/
explicit MleRouter(Instance &aInstance);
/**
* This method indicates whether or not the device is router-eligible.
*
* @retval true If device is router-eligible.
* @retval false If device is not router-eligible.
*
*/
bool IsRouterEligible(void) const;
/**
* This method sets whether or not the device is router-eligible.
*
* If @p aEligible is false and the device is currently operating as a router, this call will cause the device to
* detach and attempt to reattach as a child.
*
* @param[in] aEligible TRUE to configure device router-eligible, FALSE otherwise.
*
* @retval OT_ERROR_NONE Successfully set the router-eligible configuration.
* @retval OT_ERROR_NOT_CAPABLE The device is not capable of becoming a router.
*
*/
otError SetRouterEligible(bool aEligible);
/**
* This method indicates whether a node is the only router on the network.
*
* @retval TRUE It is the only router in the network.
* @retval FALSE It is a child or is not a single router in the network.
*
*/
bool IsSingleton(void);
/**
* This method generates an Address Solicit request for a Router ID.
*
* @param[in] aStatus The reason for requesting a Router ID.
*
* @retval OT_ERROR_NONE Successfully generated an Address Solicit message.
* @retval OT_ERROR_NOT_CAPABLE Device is not capable of becoming a router
* @retval OT_ERROR_INVALID_STATE Thread is not enabled
*
*/
otError BecomeRouter(ThreadStatusTlv::Status aStatus);
/**
* This method causes the Thread interface to become a Leader and start a new partition.
*
* @retval OT_ERROR_NONE Successfully become a Leader and started a new partition.
* @retval OT_ERROR_NOT_CAPABLE Device is not capable of becoming a leader
* @retval OT_ERROR_INVALID_STATE Thread is not enabled
*
*/
otError BecomeLeader(void);
/**
* This method returns the Leader Weighting value for this Thread interface.
*
* @returns The Leader Weighting value for this Thread interface.
*
*/
uint8_t GetLeaderWeight(void) const { return mLeaderWeight; }
/**
* This method sets the Leader Weighting value for this Thread interface.
*
* @param[in] aWeight The Leader Weighting value.
*
*/
void SetLeaderWeight(uint8_t aWeight) { mLeaderWeight = aWeight; }
/**
* This method returns the fixed Partition Id of Thread network partition for certification testing.
*
* @returns The Partition Id for this Thread network partition.
*
*/
uint32_t GetLeaderPartitionId(void) const { return mFixedLeaderPartitionId; }
/**
* This method sets the fixed Partition Id for Thread network partition for certification testing.
*
* @param[in] aPartitionId The Leader Partition Id.
*
*/
void SetLeaderPartitionId(uint32_t aPartitionId) { mFixedLeaderPartitionId = aPartitionId; }
/**
* This method sets the preferred Router Id. Upon becoming a router/leader the node
* attempts to use this Router Id. If the preferred Router Id is not set or if it
* can not be used, a randomly generated router Id is picked.
* This property can be set when he device role is detached or disabled.
*
* @param[in] aRouterId The preferred Router Id.
*
* @retval OT_ERROR_NONE Successfully set the preferred Router Id.
* @retval OT_ERROR_INVALID_STATE Could not set (role is other than detached and disabled)
*
*/
otError SetPreferredRouterId(uint8_t aRouterId);
/**
* This method gets the Partition Id which the device joined successfully once.
*
*/
uint32_t GetPreviousPartitionId(void) const { return mPreviousPartitionId; }
/**
* This method sets the Partition Id which the device joins successfully.
*
* @param[in] aPartitionId The Partition Id.
*
*/
void SetPreviousPartitionId(uint32_t aPartitionId) { mPreviousPartitionId = aPartitionId; }
/**
* This method sets the Router Id.
*
* @param[in] aRouterId The Router Id.
*
*/
void SetRouterId(uint8_t aRouterId);
/**
* This method returns the next hop towards an RLOC16 destination.
*
* @param[in] aDestination The RLOC16 of the destination.
*
* @returns A RLOC16 of the next hop if a route is known, kInvalidRloc16 otherwise.
*
*/
uint16_t GetNextHop(uint16_t aDestination);
/**
* This method returns the NETWORK_ID_TIMEOUT value.
*
* @returns The NETWORK_ID_TIMEOUT value.
*
*/
uint8_t GetNetworkIdTimeout(void) const { return mNetworkIdTimeout; }
/**
* This method sets the NETWORK_ID_TIMEOUT value.
*
* @param[in] aTimeout The NETWORK_ID_TIMEOUT value.
*
*/
void SetNetworkIdTimeout(uint8_t aTimeout) { mNetworkIdTimeout = aTimeout; }
/**
* This method returns the route cost to a RLOC16.
*
* @param[in] aRloc16 The RLOC16 of the destination.
*
* @returns The route cost to a RLOC16.
*
*/
uint8_t GetRouteCost(uint16_t aRloc16) const;
/**
* This method returns the link cost to the given Router.
*
* @param[in] aRouterId The Router ID.
*
* @returns The link cost to the Router.
*
*/
uint8_t GetLinkCost(uint8_t aRouterId);
/**
* This method returns the minimum cost to the given router.
*
* @param[in] aRloc16 The short address of the given router.
*
* @returns The minimum cost to the given router (via direct link or forwarding).
*
*/
uint8_t GetCost(uint16_t aRloc16);
/**
* This method returns the ROUTER_SELECTION_JITTER value.
*
* @returns The ROUTER_SELECTION_JITTER value.
*
*/
uint8_t GetRouterSelectionJitter(void) const { return mRouterSelectionJitter; }
/**
* This method sets the ROUTER_SELECTION_JITTER value.
*
* @returns The ROUTER_SELECTION_JITTER value.
*
*/
otError SetRouterSelectionJitter(uint8_t aRouterJitter);
/**
* This method returns the current router selection jitter timeout value.
*
* @returns The current router selection jitter timeout value.
*
*/
uint8_t GetRouterSelectionJitterTimeout(void) const { return mRouterSelectionJitterTimeout; }
/**
* This method returns the ROUTER_UPGRADE_THRESHOLD value.
*
* @returns The ROUTER_UPGRADE_THRESHOLD value.
*
*/
uint8_t GetRouterUpgradeThreshold(void) const { return mRouterUpgradeThreshold; }
/**
* This method sets the ROUTER_UPGRADE_THRESHOLD value.
*
* @returns The ROUTER_UPGRADE_THRESHOLD value.
*
*/
void SetRouterUpgradeThreshold(uint8_t aThreshold) { mRouterUpgradeThreshold = aThreshold; }
/**
* This method returns the ROUTER_DOWNGRADE_THRESHOLD value.
*
* @returns The ROUTER_DOWNGRADE_THRESHOLD value.
*
*/
uint8_t GetRouterDowngradeThreshold(void) const { return mRouterDowngradeThreshold; }
/**
* This method sets the ROUTER_DOWNGRADE_THRESHOLD value.
*
* @returns The ROUTER_DOWNGRADE_THRESHOLD value.
*
*/
void SetRouterDowngradeThreshold(uint8_t aThreshold) { mRouterDowngradeThreshold = aThreshold; }
/**
* This method removes a link to a neighbor.
*
* @param[in] aNeighbor A reference to the neighbor object.
*
*/
void RemoveNeighbor(Neighbor &aNeighbor);
/**
* This method restores children information from non-volatile memory.
*
*/
void RestoreChildren(void);
/**
* This method remove a stored child information from non-volatile memory.
*
* @param[in] aChildRloc16 The child RLOC16 to remove.
*
* @retval OT_ERROR_NONE Successfully remove child.
* @retval OT_ERROR_NOT_FOUND There is no specified child stored in non-volatile memory.
*
*/
otError RemoveStoredChild(uint16_t aChildRloc16);
/**
* This method store a child information into non-volatile memory.
*
* @param[in] aChild A reference to the child to store.
*
* @retval OT_ERROR_NONE Successfully store child.
* @retval OT_ERROR_NO_BUFS Insufficient available buffers to store child.
*
*/
otError StoreChild(const Child &aChild);
/**
* This method returns a pointer to a Neighbor object.
*
* @param[in] aAddress The address of the Neighbor.
*
* @returns A pointer to the Neighbor corresponding to @p aAddress, NULL otherwise.
*
*/
Neighbor *GetNeighbor(uint16_t aAddress);
/**
* This method returns a pointer to a Neighbor object.
*
* @param[in] aAddress The address of the Neighbor.
*
* @returns A pointer to the Neighbor corresponding to @p aAddress, NULL otherwise.
*
*/
Neighbor *GetNeighbor(const Mac::ExtAddress &aAddress);
/**
* This method returns a pointer to a Neighbor object.
*
* @param[in] aAddress The address of the Neighbor.
*
* @returns A pointer to the Neighbor corresponding to @p aAddress, NULL otherwise.
*
*/
Neighbor *GetNeighbor(const Mac::Address &aAddress);
/**
* This method returns a pointer to a Neighbor object.
*
* @param[in] aAddress The address of the Neighbor.
*
* @returns A pointer to the Neighbor corresponding to @p aAddress, NULL otherwise.
*
*/
Neighbor *GetNeighbor(const Ip6::Address &aAddress);
/**
* This method returns a pointer to a Neighbor object if a one-way link is maintained
* as in the instance of an FTD child with neighbor routers.
*
* @param[in] aAddress The address of the Neighbor.
*
* @returns A pointer to the Neighbor corresponding to @p aAddress, NULL otherwise.
*
*/
Neighbor *GetRxOnlyNeighborRouter(const Mac::Address &aAddress);
/**
* This method retains diagnostic information for an attached child by Child ID or RLOC16.
*
* @param[in] aChildId The Child ID or RLOC16 for an attached child.
* @param[out] aChildInfo The child information.
*
*/
otError GetChildInfoById(uint16_t aChildId, otChildInfo &aChildInfo);
/**
* This method retains diagnostic information for an attached child by the internal table index.
*
* @param[in] aChildIndex The table index.
* @param[out] aChildInfo The child information.
*
*/
otError GetChildInfoByIndex(uint16_t aChildIndex, otChildInfo &aChildInfo);
/**
* This methods gets the next IPv6 address (using an iterator) for a given child.
*
* @param[in] aChildIndex The child index.
* @param[inout] aIterator A reference to iterator. On success the iterator will be updated to point to next
* entry in the list.
* @param[out] aAddress A reference to an IPv6 address where the child's next address is placed (on success).
*
* @retval OT_ERROR_NONE Successfully found the next address (@p aAddress and @ aIterator are updated).
* @retval OT_ERROR_NOT_FOUND The child has no subsequent IPv6 address entry.
* @retval OT_ERROR_INVALID_ARGS Child at @p aChildIndex is not valid.
*
*/
otError GetChildNextIp6Address(uint16_t aChildIndex, Child::Ip6AddressIterator &aIterator, Ip6::Address &aAddress);
/**
* This method indicates whether or not the RLOC16 is an MTD child of this device.
*
* @param[in] aRloc16 The RLOC16.
*
* @retval TRUE if @p aRloc16 is an MTD child of this device.
* @retval FALSE if @p aRloc16 is not an MTD child of this device.
*
*/
bool IsMinimalChild(uint16_t aRloc16);
/**
* This method gets the next neighbor information. It is used to iterate through the entries of
* the neighbor table.
*
* @param[inout] aIterator A reference to the iterator context. To get the first neighbor entry
it should be set to OT_NEIGHBOR_INFO_ITERATOR_INIT.
* @param[out] aNeighInfo The neighbor information.
*
* @retval OT_ERROR_NONE Successfully found the next neighbor entry in table.
* @retval OT_ERROR_NOT_FOUND No subsequent neighbor entry exists in the table.
*
*/
otError GetNextNeighborInfo(otNeighborInfoIterator &aIterator, otNeighborInfo &aNeighInfo);
/**
* This method indicates whether or not the given Thread partition attributes are preferred.
*
* @param[in] aSingletonA Whether or not the Thread Partition A has a single router.
* @param[in] aLeaderDataA A reference to Thread Partition A's Leader Data.
* @param[in] aSingletonB Whether or not the Thread Partition B has a single router.
* @param[in] aLeaderDataB A reference to Thread Partition B's Leader Data.
*
* @retval 1 If partition A is preferred.
* @retval 0 If partition A and B have equal preference.
* @retval -1 If partition B is preferred.
*
*/
static int ComparePartitions(bool aSingletonA,
const LeaderDataTlv &aLeaderDataA,
bool aSingletonB,
const LeaderDataTlv &aLeaderDataB);
/**
* This method checks if the destination is reachable.
*
* @param[in] aMeshSource The RLOC16 of the source.
* @param[in] aMeshDest The RLOC16 of the destination.
* @param[in] aIp6Header A reference to the IPv6 header of the message.
*
* @retval OT_ERROR_NONE The destination is reachable.
* @retval OT_ERROR_DROP The destination is not reachable and the message should be dropped.
*
*/
otError CheckReachability(uint16_t aMeshSource, uint16_t aMeshDest, Ip6::Header &aIp6Header);
/**
* This method resolves 2-hop routing loops.
*
* @param[in] aSourceMac The RLOC16 of the previous hop.
* @param[in] aDestRloc16 The RLOC16 of the final destination.
*
*/
void ResolveRoutingLoops(uint16_t aSourceMac, uint16_t aDestRloc16);
/**
* This method checks if a given Router ID has correct value.
*
* @param[in] aRouterId The Router ID value.
*
* @retval TRUE If @p aRouterId is in correct range [0..62].
* @retval FALSE If @p aRouterId is not a valid Router ID.
*
*/
static bool IsRouterIdValid(uint8_t aRouterId) { return aRouterId <= kMaxRouterId; }
/**
* This method fills an ConnectivityTlv.
*
* @param[out] aTlv A reference to the tlv to be filled.
*
*/
void FillConnectivityTlv(ConnectivityTlv &aTlv);
/**
* This method fills an RouteTlv.
*
* @param[out] aTlv A reference to the tlv to be filled.
*
*/
void FillRouteTlv(RouteTlv &aTlv);
/**
* This method generates an MLE Child Update Request message to be sent to the parent.
*
* @retval OT_ERROR_NONE Successfully generated an MLE Child Update Request message.
* @retval OT_ERROR_NO_BUFS Insufficient buffers to generate the MLE Child Update Request message.
*
*/
otError SendChildUpdateRequest(void) { return Mle::SendChildUpdateRequest(); }
otError SendLinkRequest(Neighbor *aNeighbor);
#if OPENTHREAD_CONFIG_MLE_STEERING_DATA_SET_OOB_ENABLE
/**
* This method sets steering data out of band
*
* @param[in] aExtAddress Value used to set steering data
* All zeros clears steering data
* All 0xFFs sets steering data to 0xFF
* Anything else is used to compute the bloom filter
*
*/
void SetSteeringData(const Mac::ExtAddress *aExtAddress);
#endif // OPENTHREAD_CONFIG_MLE_STEERING_DATA_SET_OOB_ENABLE
/**
* This method gets the assigned parent priority.
*
* @returns The assigned parent priority value, -2 means not assigned.
*
*/
int8_t GetAssignParentPriority(void) const { return mParentPriority; }
/**
* This method sets the parent priority.
*
* @param[in] aParentPriority The parent priority value.
*
* @retval OT_ERROR_NONE Successfully set the parent priority.
* @retval OT_ERROR_INVALID_ARGS If the parent priority value is not among 1, 0, -1 and -2.
*
*/
otError SetAssignParentPriority(int8_t aParentPriority);
/**
* This method gets the longest MLE Timeout TLV for all active MTD children.
*
* @param[out] aTimeout A reference to where the information is placed.
*
* @retval OT_ERROR_NONE Successfully get the max child timeout
* @retval OT_ERROR_INVALID_STATE Not an active router
* @retval OT_ERROR_NOT_FOUND NO MTD child
*
*/
otError GetMaxChildTimeout(uint32_t &aTimeout) const;
/**
* This method register the "neighbor table changed" callback function.
*
* The provided callback (if non-NULL) will be invoked when a child/router entry is being added/remove to/from the
* neighbor table. Subsequent calls to this method will overwrite the previous callback.
*
* @param[in] aCallback A pointer to callback handler function.
*
*/
void RegisterNeighborTableChangedCallback(otNeighborTableCallback aCallback)
{
mNeighborTableChangedCallback = aCallback;
}
/**
* This method signals a "neighbor table changed" events (invoking the registered callback function).
*
* @param[in] aEvent The event to emit (child/router added/removed).
* @param[in] aNeighbor The neighbor that is being added/removed.
*
*/
void Signal(otNeighborTableEvent aEvent, Neighbor &aNeighbor);
/**
* This method returns whether the device has any sleepy children subscribed the address.
*
* @param[in] aAddress The reference of the address.
*
* @retval TRUE If the device has any sleepy children subscribed the address @p aAddress.
* @retval FALSE If the device doesn't have any sleepy children subscribed the address @p aAddress.
*
*/
bool HasSleepyChildrenSubscribed(const Ip6::Address &aAddress);
/**
* This method returns whether the specific child subscribed the address.
*
* @param[in] aAddress The reference of the address.
* @param[in] aChild The reference of the child.
*
* @retval TRUE If the sleepy child @p aChild subscribed the address @p aAddress.
* @retval FALSE If the sleepy child @p aChild did not subscribe the address @p aAddress.
*
*/
bool IsSleepyChildSubscribed(const Ip6::Address &aAddress, Child &aChild);
/**
* This method resets the MLE Advertisement Trickle timer interval.
*
*/
void ResetAdvertiseInterval(void);
/**
* This static method converts link quality to route cost.
*
* @param[in] aLinkQuality The link quality.
*
* @returns The link cost corresponding to @p aLinkQuality.
*
*/
static uint8_t LinkQualityToCost(uint8_t aLinkQuality);
#if OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
/**
* This method generates an MLE Time Synchronization message.
*
* @retval OT_ERROR_NONE Successfully sent an MLE Time Synchronization message.
* @retval OT_ERROR_NO_BUFS Insufficient buffers to generate the MLE Time Synchronization message.
*
*/
otError SendTimeSync(void);
#endif
private:
enum
{
kDiscoveryMaxJitter = 250u, ///< Maximum jitter time used to delay Discovery Responses in milliseconds.
kStateUpdatePeriod = 1000u, ///< State update period in milliseconds.
kUnsolicitedDataResponseJitter = 500u, ///< Maximum delay before unsolicited Data Response in milliseconds.
};
otError AppendConnectivity(Message &aMessage);
otError AppendChildAddresses(Message &aMessage, Child &aChild);
otError AppendRoute(Message &aMessage);
otError AppendActiveDataset(Message &aMessage);
otError AppendPendingDataset(Message &aMessage);
otError GetChildInfo(Child &aChild, otChildInfo &aChildInfo);
void GetNeighborInfo(Neighbor &aNeighbor, otNeighborInfo &aNeighInfo);
otError RefreshStoredChildren(void);
void HandleDetachStart(void);
otError HandleChildStart(AttachMode aMode);
otError HandleLinkRequest(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo, Neighbor *aNeighbor);
otError HandleLinkAccept(const Message & aMessage,
const Ip6::MessageInfo &aMessageInfo,
uint32_t aKeySequence,
Neighbor * aNeighbor);
otError HandleLinkAccept(const Message & aMessage,
const Ip6::MessageInfo &aMessageInfo,
uint32_t aKeySequence,
Neighbor * aNeighbor,
bool aRequest);
otError HandleLinkAcceptAndRequest(const Message & aMessage,
const Ip6::MessageInfo &aMessageInfo,
uint32_t aKeySequence,
Neighbor * aNeighbor);
otError HandleAdvertisement(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo, Neighbor *);
otError HandleParentRequest(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
otError HandleChildIdRequest(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo, uint32_t aKeySequence);
otError HandleChildUpdateRequest(const Message & aMessage,
const Ip6::MessageInfo &aMessageInfo,
uint32_t aKeySequence);
otError HandleChildUpdateResponse(const Message & aMessage,
const Ip6::MessageInfo &aMessageInfo,
uint32_t aKeySequence,
Neighbor * aNeighbor);
otError HandleDataRequest(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo, const Neighbor *aNeighbor);
void HandleNetworkDataUpdateRouter(void);
otError HandleDiscoveryRequest(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
#if OPENTHREAD_CONFIG_TIME_SYNC_ENABLE
void HandleTimeSync(const Message &aMessage, const Ip6::MessageInfo &aMessageInfo, const Neighbor *aNeighbor);
#endif
otError ProcessRouteTlv(const RouteTlv &aRoute);
void StopAdvertiseTimer(void);
otError SendAddressSolicit(ThreadStatusTlv::Status aStatus);
otError SendAddressRelease(void);
void SendAddressSolicitResponse(const Coap::Message & aRequest,
const Router * aRouter,
const Ip6::MessageInfo &aMessageInfo);
otError SendAdvertisement(void);
otError SendLinkAccept(const Ip6::MessageInfo &aMessageInfo,
Neighbor * aNeighbor,
const TlvRequestTlv & aTlvRequest,
const ChallengeTlv & aChallenge);
void SendParentResponse(Child *aChild, const ChallengeTlv &aChallenge, bool aRoutersOnlyRequest);
otError SendChildIdResponse(Child &aChild);
otError SendChildUpdateRequest(Child &aChild);
void SendChildUpdateResponse(Child * aChild,
const Ip6::MessageInfo &aMessageInfo,
const uint8_t * aTlvs,
uint8_t aTlvsLength,
const ChallengeTlv & aChallenge);
otError SendDataResponse(const Ip6::Address &aDestination,
const uint8_t * aTlvs,
uint8_t aTlvsLength,
uint16_t aDelay);
otError SendDiscoveryResponse(const Ip6::Address &aDestination, uint16_t aPanId);
void SetStateRouter(uint16_t aRloc16);
void SetStateLeader(uint16_t aRloc16);
void StopLeader(void);
void SynchronizeChildNetworkData(void);
otError UpdateChildAddresses(const Message &aMessage, uint16_t aOffset, Child &aChild);
void UpdateRoutes(const RouteTlv &aRoute, uint8_t aRouterId);
bool UpdateLinkQualityOut(const RouteTlv &aRoute, Router &aNeighbor, bool &aResetAdvInterval);
static void HandleAddressSolicitResponse(void * aContext,
otMessage * aMessage,
const otMessageInfo *aMessageInfo,
otError aResult);
void HandleAddressSolicitResponse(Coap::Message *aMessage, const Ip6::MessageInfo *aMessageInfo, otError aResult);
static void HandleAddressRelease(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo);
void HandleAddressRelease(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
static void HandleAddressSolicit(void *aContext, otMessage *aMessage, const otMessageInfo *aMessageInfo);
void HandleAddressSolicit(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo);
static bool IsSingleton(const RouteTlv &aRouteTlv);
void HandlePartitionChange(void);
void SetChildStateToValid(Child &aChild);
bool HasChildren(void);
void RemoveChildren(void);
bool HasMinDowngradeNeighborRouters(void);
bool HasOneNeighborWithComparableConnectivity(const RouteTlv &aRoute, uint8_t aRouterId);
bool HasSmallNumberOfChildren(void);
static bool HandleAdvertiseTimer(TrickleTimer &aTimer);
bool HandleAdvertiseTimer(void);
static void HandleStateUpdateTimer(Timer &aTimer);
void HandleStateUpdateTimer(void);
TrickleTimer mAdvertiseTimer;
TimerMilli mStateUpdateTimer;
Coap::Resource mAddressSolicit;
Coap::Resource mAddressRelease;
ChildTable mChildTable;
RouterTable mRouterTable;
otNeighborTableCallback mNeighborTableChangedCallback;
uint8_t mChallengeTimeout;
uint8_t mChallenge[8];
uint16_t mNextChildId;
uint8_t mNetworkIdTimeout;
uint8_t mRouterUpgradeThreshold;
uint8_t mRouterDowngradeThreshold;
uint8_t mLeaderWeight;
uint32_t mFixedLeaderPartitionId; ///< only for certification testing
bool mRouterEligible : 1;
bool mAddressSolicitPending : 1;
uint8_t mRouterId;
uint8_t mPreviousRouterId;
uint32_t mPreviousPartitionIdRouter; ///< The partition ID when last operating as a router
uint32_t mPreviousPartitionId; ///< The partition ID when last attached
uint8_t mPreviousPartitionRouterIdSequence; ///< The router ID sequence when last attached
uint8_t mPreviousPartitionIdTimeout; ///< The partition ID timeout when last attached
uint8_t mRouterSelectionJitter; ///< The variable to save the assigned jitter value.
uint8_t mRouterSelectionJitterTimeout; ///< The Timeout prior to request/release Router ID.
int8_t mParentPriority; ///< The assigned parent priority value, -2 means not assigned.
#if OPENTHREAD_CONFIG_MLE_STEERING_DATA_SET_OOB_ENABLE
MeshCoP::SteeringDataTlv mSteeringData;
#endif // OPENTHREAD_CONFIG_MLE_STEERING_DATA_SET_OOB_ENABLE
};
} // namespace Mle
/**
* @}
*/
} // namespace ot
#endif // MLE_ROUTER_FTD_HPP_