| /* |
| * 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 implements MeshCoP Datasets manager to process commands. |
| * |
| */ |
| |
| #define WPP_NAME "dataset_manager.tmh" |
| |
| #include <stdio.h> |
| |
| #include <openthread-types.h> |
| #include <common/code_utils.hpp> |
| #include <common/debug.hpp> |
| #include <coap/coap_header.hpp> |
| #include <common/debug.hpp> |
| #include <common/code_utils.hpp> |
| #include <common/logging.hpp> |
| #include <common/timer.hpp> |
| #include <meshcop/dataset.hpp> |
| #include <meshcop/dataset_manager.hpp> |
| #include <meshcop/tlvs.hpp> |
| #include <platform/random.h> |
| #include <platform/radio.h> |
| #include <thread/thread_netif.hpp> |
| #include <thread/thread_tlvs.hpp> |
| #include <thread/thread_uris.hpp> |
| #include <meshcop/leader.hpp> |
| |
| namespace Thread { |
| namespace MeshCoP { |
| |
| DatasetManager::DatasetManager(ThreadNetif &aThreadNetif, const Tlv::Type aType, const char *aUriSet, |
| const char *aUriGet): |
| mLocal(aThreadNetif.GetInstance(), aType), |
| mNetwork(aThreadNetif.GetInstance(), aType), |
| mCoapServer(aThreadNetif.GetCoapServer()), |
| mMle(aThreadNetif.GetMle()), |
| mNetif(aThreadNetif), |
| mNetworkDataLeader(aThreadNetif.GetNetworkDataLeader()), |
| mTimer(aThreadNetif.GetIp6().mTimerScheduler, &DatasetManager::HandleTimer, this), |
| mCoapClient(aThreadNetif.GetCoapClient()), |
| mUriSet(aUriSet), |
| mUriGet(aUriGet) |
| { |
| } |
| |
| ThreadError DatasetManager::ApplyConfiguration(void) |
| { |
| ThreadError error = kThreadError_None; |
| Dataset *dataset; |
| const Tlv *cur; |
| const Tlv *end; |
| |
| dataset = mMle.IsAttached() ? &mNetwork : &mLocal; |
| |
| cur = reinterpret_cast<const Tlv *>(dataset->GetBytes()); |
| end = reinterpret_cast<const Tlv *>(dataset->GetBytes() + dataset->GetSize()); |
| |
| while (cur < end) |
| { |
| switch (cur->GetType()) |
| { |
| case Tlv::kChannel: |
| { |
| const ChannelTlv *channel = static_cast<const ChannelTlv *>(cur); |
| mNetif.GetMac().SetChannel(static_cast<uint8_t>(channel->GetChannel())); |
| break; |
| } |
| |
| case Tlv::kPanId: |
| { |
| const PanIdTlv *panid = static_cast<const PanIdTlv *>(cur); |
| mNetif.GetMac().SetPanId(panid->GetPanId()); |
| break; |
| } |
| |
| case Tlv::kExtendedPanId: |
| { |
| const ExtendedPanIdTlv *extpanid = static_cast<const ExtendedPanIdTlv *>(cur); |
| mNetif.GetMac().SetExtendedPanId(extpanid->GetExtendedPanId()); |
| break; |
| } |
| |
| case Tlv::kNetworkName: |
| { |
| const NetworkNameTlv *name = static_cast<const NetworkNameTlv *>(cur); |
| otNetworkName networkName; |
| memset(networkName.m8, 0, sizeof(networkName)); |
| memcpy(networkName.m8, name->GetNetworkName(), name->GetLength()); |
| mNetif.GetMac().SetNetworkName(networkName.m8); |
| break; |
| } |
| |
| case Tlv::kNetworkMasterKey: |
| { |
| const NetworkMasterKeyTlv *key = static_cast<const NetworkMasterKeyTlv *>(cur); |
| mNetif.GetKeyManager().SetMasterKey(key->GetNetworkMasterKey(), key->GetLength()); |
| break; |
| } |
| |
| case Tlv::kMeshLocalPrefix: |
| { |
| const MeshLocalPrefixTlv *prefix = static_cast<const MeshLocalPrefixTlv *>(cur); |
| mMle.SetMeshLocalPrefix(prefix->GetMeshLocalPrefix()); |
| break; |
| } |
| |
| case Tlv::kSecurityPolicy: |
| { |
| const SecurityPolicyTlv *securityPolicy = static_cast<const SecurityPolicyTlv *>(cur); |
| mNetif.GetKeyManager().SetKeyRotation(securityPolicy->GetRotationTime()); |
| mNetif.GetKeyManager().SetSecurityPolicyFlags(securityPolicy->GetFlags()); |
| break; |
| } |
| |
| default: |
| { |
| break; |
| } |
| } |
| |
| cur = cur->GetNext(); |
| } |
| |
| return error; |
| } |
| |
| ThreadError DatasetManager::Set(const otOperationalDataset &aDataset, uint8_t &aFlags) |
| { |
| ThreadError error = kThreadError_None; |
| |
| SuccessOrExit(error = mLocal.Set(aDataset)); |
| mLocal.Store(); |
| aFlags = kFlagLocalUpdated; |
| |
| switch (mMle.GetDeviceState()) |
| { |
| case Mle::kDeviceStateChild: |
| case Mle::kDeviceStateRouter: |
| mTimer.Start(1000); |
| break; |
| |
| case Mle::kDeviceStateLeader: |
| mNetwork = mLocal; |
| aFlags |= kFlagNetworkUpdated; |
| mNetworkDataLeader.IncrementVersion(); |
| mNetworkDataLeader.IncrementStableVersion(); |
| break; |
| |
| default: |
| break; |
| } |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError DatasetManager::Clear(uint8_t &aFlags, bool aOnlyClearNetwork) |
| { |
| if (!aOnlyClearNetwork && mLocal.Compare(mNetwork) == 0) |
| { |
| mLocal.Clear(true); |
| } |
| |
| mNetwork.Clear(false); |
| HandleNetworkUpdate(aFlags); |
| return kThreadError_None; |
| } |
| |
| ThreadError DatasetManager::Set(const Dataset &aDataset) |
| { |
| mNetwork.Set(aDataset); |
| |
| if (mLocal.Compare(aDataset) != 0) |
| { |
| mLocal.Set(aDataset); |
| mLocal.Store(); |
| } |
| |
| return kThreadError_None; |
| } |
| |
| ThreadError DatasetManager::Set(const Timestamp &aTimestamp, const Message &aMessage, |
| uint16_t aOffset, uint8_t aLength, uint8_t &aFlags) |
| { |
| ThreadError error = kThreadError_None; |
| |
| SuccessOrExit(error = mNetwork.Set(aMessage, aOffset, aLength)); |
| mNetwork.SetTimestamp(aTimestamp); |
| HandleNetworkUpdate(aFlags); |
| |
| exit: |
| return error; |
| } |
| |
| void DatasetManager::HandleNetworkUpdate(uint8_t &aFlags) |
| { |
| int compare = mLocal.Compare(mNetwork); |
| |
| aFlags = kFlagNetworkUpdated; |
| |
| if (compare > 0) |
| { |
| mLocal = mNetwork; |
| mLocal.Store(); |
| aFlags |= kFlagLocalUpdated; |
| } |
| else if (compare < 0) |
| { |
| mTimer.Start(1000); |
| } |
| } |
| |
| void DatasetManager::HandleTimer(void *aContext) |
| { |
| static_cast<DatasetManager *>(aContext)->HandleTimer(); |
| } |
| |
| void DatasetManager::HandleTimer(void) |
| { |
| VerifyOrExit(mMle.IsAttached(),); |
| |
| VerifyOrExit(mLocal.Compare(mNetwork) < 0,); |
| |
| Register(); |
| mTimer.Start(1000); |
| |
| exit: |
| return; |
| } |
| |
| ThreadError DatasetManager::Register(void) |
| { |
| ThreadError error = kThreadError_None; |
| Coap::Header header; |
| Message *message; |
| Ip6::Address leader; |
| Ip6::MessageInfo messageInfo; |
| |
| header.Init(kCoapTypeConfirmable, kCoapRequestPost); |
| header.SetToken(Coap::Header::kDefaultTokenLength); |
| header.AppendUriPathOptions(mUriSet); |
| header.SetPayloadMarker(); |
| |
| if (strcmp(mUriSet, OPENTHREAD_URI_PENDING_SET) == 0) |
| { |
| PendingDatasetBase *pending = static_cast<PendingDatasetBase *>(this); |
| pending->UpdateDelayTimer(); |
| } |
| |
| VerifyOrExit((message = mCoapClient.NewMessage(header)) != NULL, error = kThreadError_NoBufs); |
| |
| SuccessOrExit(error = message->Append(mLocal.GetBytes(), mLocal.GetSize())); |
| |
| mMle.GetLeaderAloc(leader); |
| |
| messageInfo.SetPeerAddr(leader); |
| messageInfo.SetPeerPort(kCoapUdpPort); |
| SuccessOrExit(error = mCoapClient.SendMessage(*message, messageInfo)); |
| |
| otLogInfoMeshCoP("sent dataset to leader"); |
| |
| exit: |
| |
| if (error != kThreadError_None && message != NULL) |
| { |
| message->Free(); |
| } |
| |
| return error; |
| } |
| |
| void DatasetManager::Get(Coap::Header &aHeader, Message &aMessage, const Ip6::MessageInfo &aMessageInfo) |
| { |
| Tlv tlv; |
| uint16_t offset = aMessage.GetOffset(); |
| uint8_t tlvs[Dataset::kMaxSize]; |
| uint8_t length = 0; |
| |
| while (offset < aMessage.GetLength()) |
| { |
| aMessage.Read(offset, sizeof(tlv), &tlv); |
| |
| if (tlv.GetType() == Tlv::kGet) |
| { |
| length = tlv.GetLength(); |
| aMessage.Read(offset + sizeof(Tlv), length, tlvs); |
| break; |
| } |
| |
| offset += sizeof(tlv) + tlv.GetLength(); |
| } |
| |
| SendGetResponse(aHeader, aMessageInfo, tlvs, length); |
| } |
| |
| ThreadError DatasetManager::Set(Coap::Header &aHeader, Message &aMessage, const Ip6::MessageInfo &aMessageInfo) |
| { |
| Tlv tlv; |
| Timestamp timestamp; |
| uint16_t offset = aMessage.GetOffset(); |
| Tlv::Type type; |
| bool isUpdateFromCommissioner = false; |
| bool isUpdateAffectConnectivity = false; |
| bool isUpdateIdenticalValue = true; |
| StateTlv::State state = StateTlv::kAccept; |
| |
| ActiveTimestampTlv activeTimestamp; |
| NetworkMasterKeyTlv masterKey; |
| ChannelTlv channel; |
| MeshLocalPrefixTlv meshLocalPrefix; |
| PanIdTlv panId; |
| |
| activeTimestamp.SetLength(0); |
| masterKey.SetLength(0); |
| channel.SetLength(0); |
| meshLocalPrefix.SetLength(0); |
| panId.SetLength(0); |
| |
| VerifyOrExit(mMle.GetDeviceState() == Mle::kDeviceStateLeader, state = StateTlv::kReject); |
| |
| type = (strcmp(mUriSet, OPENTHREAD_URI_ACTIVE_SET) == 0 ? Tlv::kActiveTimestamp : Tlv::kPendingTimestamp); |
| |
| while (offset < aMessage.GetLength()) |
| { |
| Tlv::Type tlvType; |
| |
| aMessage.Read(offset, sizeof(tlv), &tlv); |
| tlvType = tlv.GetType(); |
| |
| if (tlvType == type) |
| { |
| aMessage.Read(offset + sizeof(tlv), sizeof(timestamp), ×tamp); |
| } |
| |
| switch (tlvType) |
| { |
| case Tlv::kActiveTimestamp: |
| aMessage.Read(offset, sizeof(activeTimestamp), &activeTimestamp); |
| break; |
| |
| case Tlv::kNetworkMasterKey: |
| aMessage.Read(offset, sizeof(masterKey), &masterKey); |
| break; |
| |
| case Tlv::kChannel: |
| aMessage.Read(offset, sizeof(channel), &channel); |
| VerifyOrExit(channel.GetChannel() >= kPhyMinChannel && channel.GetChannel() <= kPhyMaxChannel, |
| state = StateTlv::kReject); |
| break; |
| |
| case Tlv::kMeshLocalPrefix: |
| aMessage.Read(offset, sizeof(meshLocalPrefix), &meshLocalPrefix); |
| break; |
| |
| case Tlv::kPanId: |
| aMessage.Read(offset, sizeof(panId), &panId); |
| break; |
| |
| default: |
| break; |
| } |
| |
| // verify the request does not include fields that affect connectivity |
| if ((type == Tlv::kActiveTimestamp) && |
| (tlvType == Tlv::kChannel || tlvType == Tlv::kMeshLocalPrefix || |
| tlvType == Tlv::kPanId || tlvType == Tlv::kNetworkMasterKey)) |
| { |
| isUpdateAffectConnectivity = true; |
| } |
| |
| // verify session id is the same |
| if (tlvType == Tlv::kCommissionerSessionId) |
| { |
| uint8_t *cur; |
| uint8_t *end; |
| uint8_t length; |
| |
| isUpdateFromCommissioner = true; |
| cur = mNetworkDataLeader.GetCommissioningData(length); |
| end = cur + length; |
| |
| while (cur < end) |
| { |
| Tlv *data = reinterpret_cast<Tlv *>(cur); |
| |
| if (data->GetType() == Tlv::kCommissionerSessionId) |
| { |
| uint16_t sessionId; |
| uint16_t rxSessionId; |
| |
| sessionId = static_cast<CommissionerSessionIdTlv *>(data)->GetCommissionerSessionId(); |
| aMessage.Read(offset + sizeof(tlv), sizeof(rxSessionId), &rxSessionId); |
| VerifyOrExit(sessionId == rxSessionId, state = StateTlv::kReject); |
| break; |
| } |
| |
| cur += sizeof(Tlv) + data->GetLength(); |
| } |
| } |
| |
| // verify that TLV data size is less than maximum TLV value size |
| VerifyOrExit(tlv.GetLength() <= Dataset::kMaxValueSize, state = StateTlv::kReject); |
| |
| offset += sizeof(tlv) + tlv.GetLength(); |
| } |
| |
| // verify whether or not tlv value is identical with current one |
| if (isUpdateAffectConnectivity && |
| (channel.GetChannel() != mNetif.GetMac().GetChannel() || |
| panId.GetPanId() != mNetif.GetMac().GetPanId() || |
| memcmp(meshLocalPrefix.GetMeshLocalPrefix(), mNetif.GetMle().GetMeshLocalPrefix(), |
| meshLocalPrefix.GetLength()) != 0 || |
| memcmp(masterKey.GetNetworkMasterKey(), mNetif.GetKeyManager().GetMasterKey(NULL), |
| masterKey.GetLength()) != 0)) |
| { |
| isUpdateIdenticalValue = false; |
| otLogInfoMeshCoP("Request includes tlv that affects connectivity."); |
| } |
| |
| // verify the update from commissioner should not contain tlv would affect connectivity |
| VerifyOrExit(!isUpdateFromCommissioner || !(isUpdateAffectConnectivity && !isUpdateIdenticalValue), |
| state = StateTlv::kReject); |
| |
| // verify the request includes a timestamp that is ahead of the locally stored value |
| VerifyOrExit(offset == aMessage.GetLength() && (mLocal.GetTimestamp() == NULL || |
| mLocal.GetTimestamp()->Compare(timestamp) > 0), state = StateTlv::kReject); |
| |
| // verify network master key if active timestamp is behind |
| if (type == Tlv::kPendingTimestamp) |
| { |
| const Timestamp *localActiveTimestamp = mNetif.GetActiveDataset().GetNetwork().GetTimestamp(); |
| |
| if (localActiveTimestamp != NULL && localActiveTimestamp->Compare(activeTimestamp) <= 0) |
| { |
| VerifyOrExit(masterKey.GetLength() != 0, state = StateTlv::kReject); |
| } |
| } |
| |
| // verify that does not overflow dataset buffer |
| VerifyOrExit((offset - aMessage.GetOffset()) <= Dataset::kMaxSize, state = StateTlv::kReject); |
| |
| // update dataset |
| if (type == Tlv::kPendingTimestamp && isUpdateFromCommissioner) |
| { |
| mLocal.Clear(true); |
| mLocal.Set(mNetif.GetActiveDataset().GetNetwork()); |
| } |
| |
| if (!isUpdateAffectConnectivity || isUpdateIdenticalValue) |
| { |
| offset = aMessage.GetOffset(); |
| |
| while (offset < aMessage.GetLength()) |
| { |
| OT_TOOL_PACKED_BEGIN |
| struct |
| { |
| Tlv tlv; |
| uint8_t value[Dataset::kMaxValueSize]; |
| } OT_TOOL_PACKED_END data; |
| |
| aMessage.Read(offset, sizeof(Tlv), &data.tlv); |
| aMessage.Read(offset + sizeof(Tlv), data.tlv.GetLength(), data.value); |
| |
| if (data.tlv.GetType() != Tlv::kCommissionerSessionId) |
| { |
| mLocal.Set(data.tlv); |
| } |
| |
| offset += sizeof(Tlv) + data.tlv.GetLength(); |
| } |
| |
| mLocal.Store(); |
| mNetwork = mLocal; |
| mNetworkDataLeader.IncrementVersion(); |
| mNetworkDataLeader.IncrementStableVersion(); |
| } |
| else |
| { |
| mNetif.GetPendingDataset().ApplyActiveDataset(activeTimestamp, aMessage); |
| } |
| |
| // notify commissioner if update is from thread device |
| if (!isUpdateFromCommissioner) |
| { |
| uint8_t *cur; |
| uint8_t *end; |
| uint8_t length; |
| uint16_t locator = 0xffff; |
| Ip6::Address destination; |
| |
| cur = mNetworkDataLeader.GetCommissioningData(length); |
| VerifyOrExit(cur != NULL && length != 0, ;); |
| end = cur + length; |
| |
| while (cur < end) |
| { |
| Tlv *data = reinterpret_cast<Tlv *>(cur); |
| |
| if (data->GetType() == Tlv::kBorderAgentLocator) |
| { |
| locator = static_cast<BorderAgentLocatorTlv *>(data)->GetBorderAgentLocator(); |
| break; |
| } |
| |
| cur += sizeof(Tlv) + data->GetLength(); |
| } |
| |
| // verify that Border Agent Locator should be available |
| VerifyOrExit(locator != 0xffff, ;); |
| |
| memset(&destination, 0, sizeof(destination)); |
| destination = mNetif.GetMle().GetMeshLocal16(); |
| destination.mFields.m16[4] = HostSwap16(0x0000); |
| destination.mFields.m16[5] = HostSwap16(0x00ff); |
| destination.mFields.m16[6] = HostSwap16(0xfe00); |
| destination.mFields.m16[7] = HostSwap16(locator); |
| |
| mNetif.GetLeader().SendDatasetChanged(destination); |
| } |
| |
| exit: |
| |
| if (mMle.GetDeviceState() == Mle::kDeviceStateLeader) |
| { |
| SendSetResponse(aHeader, aMessageInfo, state); |
| } |
| |
| return state == StateTlv::kAccept ? kThreadError_None : kThreadError_Drop; |
| } |
| |
| ThreadError DatasetManager::SendSetRequest(const otOperationalDataset &aDataset, const uint8_t *aTlvs, uint8_t aLength) |
| { |
| ThreadError error = kThreadError_None; |
| Coap::Header header; |
| Message *message; |
| Ip6::MessageInfo messageInfo; |
| |
| header.Init(kCoapTypeConfirmable, kCoapRequestPost); |
| header.SetToken(Coap::Header::kDefaultTokenLength); |
| header.AppendUriPathOptions(mUriSet); |
| header.SetPayloadMarker(); |
| |
| VerifyOrExit((message = mCoapClient.NewMessage(header)) != NULL, error = kThreadError_NoBufs); |
| |
| #if OPENTHREAD_ENABLE_COMMISSIONER |
| bool isCommissioner; |
| |
| isCommissioner = mNetif.GetCommissioner().GetState() != Commissioner::kStateDisabled ? true : false; |
| |
| if (isCommissioner) |
| { |
| const uint8_t *cur = aTlvs; |
| const uint8_t *end = aTlvs + aLength; |
| bool hasSessionId = false; |
| |
| while (cur < end) |
| { |
| const Tlv *data = reinterpret_cast<const Tlv *>(cur); |
| |
| if (data->GetType() == Tlv::kCommissionerSessionId) |
| { |
| hasSessionId = true; |
| break; |
| } |
| |
| cur += sizeof(Tlv) + data->GetLength(); |
| } |
| |
| if (!hasSessionId) |
| { |
| CommissionerSessionIdTlv sessionId; |
| sessionId.Init(); |
| sessionId.SetCommissionerSessionId(mNetif.GetCommissioner().GetSessionId()); |
| SuccessOrExit(error = message->Append(&sessionId, sizeof(sessionId))); |
| } |
| } |
| |
| #endif |
| |
| if (aDataset.mIsActiveTimestampSet) |
| { |
| ActiveTimestampTlv timestamp; |
| timestamp.Init(); |
| static_cast<Timestamp *>(×tamp)->SetSeconds(aDataset.mActiveTimestamp); |
| static_cast<Timestamp *>(×tamp)->SetTicks(0); |
| SuccessOrExit(error = message->Append(×tamp, sizeof(timestamp))); |
| } |
| |
| if (aDataset.mIsPendingTimestampSet) |
| { |
| PendingTimestampTlv timestamp; |
| timestamp.Init(); |
| static_cast<Timestamp *>(×tamp)->SetSeconds(aDataset.mPendingTimestamp); |
| static_cast<Timestamp *>(×tamp)->SetTicks(0); |
| SuccessOrExit(error = message->Append(×tamp, sizeof(timestamp))); |
| } |
| |
| if (aDataset.mIsMasterKeySet) |
| { |
| NetworkMasterKeyTlv masterkey; |
| masterkey.Init(); |
| masterkey.SetNetworkMasterKey(aDataset.mMasterKey.m8); |
| SuccessOrExit(error = message->Append(&masterkey, sizeof(masterkey))); |
| } |
| |
| if (aDataset.mIsNetworkNameSet) |
| { |
| NetworkNameTlv networkname; |
| networkname.Init(); |
| networkname.SetNetworkName(aDataset.mNetworkName.m8); |
| SuccessOrExit(error = message->Append(&networkname, sizeof(Tlv) + networkname.GetLength())); |
| } |
| |
| if (aDataset.mIsExtendedPanIdSet) |
| { |
| ExtendedPanIdTlv extpanid; |
| extpanid.Init(); |
| extpanid.SetExtendedPanId(aDataset.mExtendedPanId.m8); |
| SuccessOrExit(error = message->Append(&extpanid, sizeof(extpanid))); |
| } |
| |
| if (aDataset.mIsMeshLocalPrefixSet) |
| { |
| MeshLocalPrefixTlv localprefix; |
| localprefix.Init(); |
| localprefix.SetMeshLocalPrefix(aDataset.mMeshLocalPrefix.m8); |
| SuccessOrExit(error = message->Append(&localprefix, sizeof(localprefix))); |
| } |
| |
| if (aDataset.mIsDelaySet) |
| { |
| DelayTimerTlv delaytimer; |
| delaytimer.Init(); |
| delaytimer.SetDelayTimer(aDataset.mDelay); |
| SuccessOrExit(error = message->Append(&delaytimer, sizeof(delaytimer))); |
| } |
| |
| if (aDataset.mIsPanIdSet) |
| { |
| PanIdTlv panid; |
| panid.Init(); |
| panid.SetPanId(aDataset.mPanId); |
| SuccessOrExit(error = message->Append(&panid, sizeof(panid))); |
| } |
| |
| if (aDataset.mIsChannelSet) |
| { |
| ChannelTlv channel; |
| channel.Init(); |
| channel.SetChannelPage(0); |
| channel.SetChannel(aDataset.mChannel); |
| SuccessOrExit(error = message->Append(&channel, sizeof(channel))); |
| } |
| |
| if (aDataset.mIsChannelMaskPage0Set) |
| { |
| ChannelMask0Tlv channelMask; |
| channelMask.Init(); |
| channelMask.SetMask(aDataset.mChannelMaskPage0); |
| SuccessOrExit(error = message->Append(&channelMask, sizeof(channelMask))); |
| } |
| |
| if (aLength > 0) |
| { |
| SuccessOrExit(error = message->Append(aTlvs, aLength)); |
| } |
| |
| mMle.GetLeaderAloc(messageInfo.GetPeerAddr()); |
| messageInfo.SetPeerPort(kCoapUdpPort); |
| SuccessOrExit(error = mCoapClient.SendMessage(*message, messageInfo)); |
| |
| otLogInfoMeshCoP("sent dataset set request to leader"); |
| |
| exit: |
| |
| if (error != kThreadError_None && message != NULL) |
| { |
| message->Free(); |
| } |
| |
| return error; |
| } |
| |
| ThreadError DatasetManager::SendGetRequest(const uint8_t *aTlvTypes, const uint8_t aLength, |
| const otIp6Address *aAddress) |
| { |
| ThreadError error = kThreadError_None; |
| Coap::Header header; |
| Message *message; |
| Ip6::MessageInfo messageInfo; |
| Tlv tlv; |
| |
| header.Init(kCoapTypeConfirmable, kCoapRequestPost); |
| header.SetToken(Coap::Header::kDefaultTokenLength); |
| header.AppendUriPathOptions(mUriGet); |
| header.SetPayloadMarker(); |
| |
| VerifyOrExit((message = mCoapClient.NewMessage(header)) != NULL, error = kThreadError_NoBufs); |
| |
| if (aLength > 0) |
| { |
| tlv.SetType(Tlv::kGet); |
| tlv.SetLength(aLength); |
| SuccessOrExit(error = message->Append(&tlv, sizeof(tlv))); |
| SuccessOrExit(error = message->Append(aTlvTypes, aLength)); |
| } |
| |
| if (aAddress != NULL) |
| { |
| messageInfo.SetPeerAddr(*static_cast<const Ip6::Address *>(aAddress)); |
| } |
| else |
| { |
| mMle.GetLeaderAloc(messageInfo.GetPeerAddr()); |
| } |
| |
| messageInfo.SetPeerPort(kCoapUdpPort); |
| SuccessOrExit(error = mCoapClient.SendMessage(*message, messageInfo)); |
| |
| otLogInfoMeshCoP("sent dataset get request"); |
| |
| exit: |
| |
| if (error != kThreadError_None && message != NULL) |
| { |
| message->Free(); |
| } |
| |
| return error; |
| } |
| |
| void DatasetManager::SendSetResponse(const Coap::Header &aRequestHeader, const Ip6::MessageInfo &aMessageInfo, |
| StateTlv::State aState) |
| { |
| ThreadError error = kThreadError_None; |
| Coap::Header responseHeader; |
| Message *message; |
| StateTlv state; |
| |
| VerifyOrExit((message = mCoapServer.NewMessage(0)) != NULL, error = kThreadError_NoBufs); |
| |
| responseHeader.SetDefaultResponseHeader(aRequestHeader); |
| responseHeader.SetPayloadMarker(); |
| |
| SuccessOrExit(error = message->Append(responseHeader.GetBytes(), responseHeader.GetLength())); |
| |
| state.Init(); |
| state.SetState(aState); |
| SuccessOrExit(error = message->Append(&state, sizeof(state))); |
| |
| SuccessOrExit(error = mCoapServer.SendMessage(*message, aMessageInfo)); |
| |
| otLogInfoMeshCoP("sent dataset set response"); |
| |
| exit: |
| |
| if (error != kThreadError_None && message != NULL) |
| { |
| message->Free(); |
| } |
| } |
| |
| void DatasetManager::SendGetResponse(const Coap::Header &aRequestHeader, const Ip6::MessageInfo &aMessageInfo, |
| uint8_t *aTlvs, uint8_t aLength) |
| { |
| Tlv *tlv; |
| ThreadError error = kThreadError_None; |
| Coap::Header responseHeader; |
| Message *message; |
| uint8_t index; |
| |
| VerifyOrExit((message = mCoapServer.NewMessage(0)) != NULL, error = kThreadError_NoBufs); |
| |
| responseHeader.SetDefaultResponseHeader(aRequestHeader); |
| responseHeader.SetPayloadMarker(); |
| |
| SuccessOrExit(error = message->Append(responseHeader.GetBytes(), responseHeader.GetLength())); |
| |
| if (aLength == 0) |
| { |
| const Tlv *cur = reinterpret_cast<const Tlv *>(mNetwork.GetBytes()); |
| const Tlv *end = reinterpret_cast<const Tlv *>(mNetwork.GetBytes() + mNetwork.GetSize()); |
| |
| while (cur < end) |
| { |
| if (cur->GetType() != Tlv::kNetworkMasterKey || |
| (mNetif.GetKeyManager().GetSecurityPolicyFlags() & OT_SECURITY_POLICY_OBTAIN_MASTER_KEY)) |
| { |
| SuccessOrExit(error = message->Append(cur, sizeof(Tlv) + cur->GetLength())); |
| } |
| |
| cur = cur->GetNext(); |
| } |
| } |
| else |
| { |
| for (index = 0; index < aLength; index++) |
| { |
| if (aTlvs[index] == Tlv::kNetworkMasterKey && |
| !(mNetif.GetKeyManager().GetSecurityPolicyFlags() & OT_SECURITY_POLICY_OBTAIN_MASTER_KEY)) |
| { |
| continue; |
| } |
| |
| if ((tlv = mNetwork.Get(static_cast<Tlv::Type>(aTlvs[index]))) != NULL) |
| { |
| SuccessOrExit(error = message->Append(tlv, sizeof(Tlv) + tlv->GetLength())); |
| } |
| } |
| } |
| |
| SuccessOrExit(error = mCoapServer.SendMessage(*message, aMessageInfo)); |
| |
| otLogInfoMeshCoP("sent dataset get response"); |
| |
| exit: |
| |
| if (error != kThreadError_None && message != NULL) |
| { |
| message->Free(); |
| } |
| } |
| |
| ActiveDatasetBase::ActiveDatasetBase(ThreadNetif &aThreadNetif): |
| DatasetManager(aThreadNetif, Tlv::kActiveTimestamp, OPENTHREAD_URI_ACTIVE_SET, OPENTHREAD_URI_ACTIVE_GET) |
| { |
| } |
| |
| ThreadError ActiveDatasetBase::Restore(void) |
| { |
| ThreadError error = kThreadError_None; |
| |
| SuccessOrExit(error = mLocal.Restore()); |
| SuccessOrExit(error = DatasetManager::ApplyConfiguration()); |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError ActiveDatasetBase::Clear(bool aOnlyClearNetwork) |
| { |
| ThreadError error = kThreadError_None; |
| uint8_t flags; |
| |
| SuccessOrExit(error = DatasetManager::Clear(flags, aOnlyClearNetwork)); |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError ActiveDatasetBase::Set(const otOperationalDataset &aDataset) |
| { |
| ThreadError error = kThreadError_None; |
| uint8_t flags; |
| |
| SuccessOrExit(error = DatasetManager::Set(aDataset, flags)); |
| DatasetManager::ApplyConfiguration(); |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError ActiveDatasetBase::Set(const Dataset &aDataset) |
| { |
| ThreadError error = kThreadError_None; |
| |
| SuccessOrExit(error = DatasetManager::Set(aDataset)); |
| DatasetManager::ApplyConfiguration(); |
| |
| if (mMle.GetDeviceState() == Mle::kDeviceStateLeader) |
| { |
| mNetworkDataLeader.IncrementVersion(); |
| mNetworkDataLeader.IncrementStableVersion(); |
| } |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError ActiveDatasetBase::Set(const Timestamp &aTimestamp, const Message &aMessage, |
| uint16_t aOffset, uint8_t aLength) |
| { |
| ThreadError error = kThreadError_None; |
| uint8_t flags; |
| |
| SuccessOrExit(error = DatasetManager::Set(aTimestamp, aMessage, aOffset, aLength, flags)); |
| DatasetManager::ApplyConfiguration(); |
| |
| exit: |
| return error; |
| } |
| |
| PendingDatasetBase::PendingDatasetBase(ThreadNetif &aThreadNetif): |
| DatasetManager(aThreadNetif, Tlv::kPendingTimestamp, OPENTHREAD_URI_PENDING_SET, OPENTHREAD_URI_PENDING_GET), |
| mTimer(aThreadNetif.GetIp6().mTimerScheduler, &PendingDatasetBase::HandleTimer, this), |
| mLocalTime(0), |
| mNetworkTime(0) |
| { |
| } |
| |
| ThreadError PendingDatasetBase::Restore(void) |
| { |
| ThreadError error = kThreadError_None; |
| |
| SuccessOrExit(error = mLocal.Restore()); |
| |
| ResetDelayTimer(kFlagLocalUpdated); |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError PendingDatasetBase::Clear(bool aOnlyClearNetwork) |
| { |
| ThreadError error = kThreadError_None; |
| uint8_t flags; |
| |
| SuccessOrExit(error = DatasetManager::Clear(flags, aOnlyClearNetwork)); |
| ResetDelayTimer(flags); |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError PendingDatasetBase::Set(const otOperationalDataset &aDataset) |
| { |
| ThreadError error = kThreadError_None; |
| uint8_t flags; |
| |
| SuccessOrExit(error = DatasetManager::Set(aDataset, flags)); |
| ResetDelayTimer(flags); |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError PendingDatasetBase::Set(const Dataset &aDataset) |
| { |
| ThreadError error = kThreadError_None; |
| |
| SuccessOrExit(error = DatasetManager::Set(aDataset)); |
| ResetDelayTimer(kFlagLocalUpdated | kFlagNetworkUpdated); |
| |
| exit: |
| return error; |
| } |
| |
| ThreadError PendingDatasetBase::Set(const Timestamp &aTimestamp, const Message &aMessage, |
| uint16_t aOffset, uint8_t aLength) |
| { |
| ThreadError error = kThreadError_None; |
| uint8_t flags; |
| |
| SuccessOrExit(error = DatasetManager::Set(aTimestamp, aMessage, aOffset, aLength, flags)); |
| ResetDelayTimer(flags); |
| |
| exit: |
| return error; |
| } |
| |
| void PendingDatasetBase::ResetDelayTimer(uint8_t aFlags) |
| { |
| DelayTimerTlv *delayTimer; |
| |
| if (aFlags & kFlagLocalUpdated) |
| { |
| mLocalTime = Timer::GetNow(); |
| } |
| |
| if (aFlags & kFlagNetworkUpdated) |
| { |
| mNetworkTime = Timer::GetNow(); |
| mTimer.Stop(); |
| |
| if ((delayTimer = static_cast<DelayTimerTlv *>(mNetwork.Get(Tlv::kDelayTimer))) != NULL) |
| { |
| if (delayTimer->GetDelayTimer() == 0) |
| { |
| HandleTimer(); |
| } |
| else |
| { |
| mTimer.Start(delayTimer->GetDelayTimer()); |
| otLogInfoMeshCoP("delay timer started"); |
| } |
| } |
| } |
| } |
| |
| void PendingDatasetBase::UpdateDelayTimer(void) |
| { |
| UpdateDelayTimer(mLocal, mLocalTime); |
| UpdateDelayTimer(mNetwork, mNetworkTime); |
| } |
| |
| void PendingDatasetBase::UpdateDelayTimer(Dataset &aDataset, uint32_t &aStartTime) |
| { |
| DelayTimerTlv *delayTimer; |
| uint32_t now = Timer::GetNow(); |
| uint32_t elapsed; |
| uint32_t delay; |
| |
| VerifyOrExit((delayTimer = static_cast<DelayTimerTlv *>(aDataset.Get(Tlv::kDelayTimer))) != NULL, ;); |
| |
| elapsed = now - aStartTime; |
| |
| delay = delayTimer->GetDelayTimer(); |
| |
| if (delay > elapsed) |
| { |
| delay -= elapsed; |
| } |
| else |
| { |
| delay = 0; |
| } |
| |
| delayTimer->SetDelayTimer(delay); |
| |
| aStartTime = now; |
| |
| exit: |
| return; |
| } |
| |
| void PendingDatasetBase::HandleTimer(void *aContext) |
| { |
| static_cast<PendingDatasetBase *>(aContext)->HandleTimer(); |
| } |
| |
| void PendingDatasetBase::HandleTimer(void) |
| { |
| DelayTimerTlv *delayTimer; |
| |
| otLogInfoMeshCoP("pending delay timer expired"); |
| |
| UpdateDelayTimer(); |
| delayTimer = static_cast<DelayTimerTlv *>(mNetwork.Get(Tlv::kDelayTimer)); |
| assert(delayTimer != NULL && delayTimer->GetDelayTimer() == 0); |
| |
| mNetif.GetActiveDataset().Set(mNetwork); |
| |
| Clear(false); |
| } |
| |
| void PendingDatasetBase::ApplyActiveDataset(const Timestamp &aTimestamp, Message &aMessage) |
| { |
| uint16_t offset = aMessage.GetOffset(); |
| DelayTimerTlv delayTimer; |
| uint8_t flags; |
| |
| VerifyOrExit(mMle.IsAttached(), ;); |
| |
| while (offset < aMessage.GetLength()) |
| { |
| OT_TOOL_PACKED_BEGIN |
| struct |
| { |
| Tlv tlv; |
| uint8_t value[Dataset::kMaxValueSize]; |
| } OT_TOOL_PACKED_END data; |
| |
| aMessage.Read(offset, sizeof(Tlv), &data.tlv); |
| aMessage.Read(offset + sizeof(Tlv), data.tlv.GetLength(), data.value); |
| mNetwork.Set(data.tlv); |
| offset += sizeof(Tlv) + data.tlv.GetLength(); |
| } |
| |
| // add delay timer tlv |
| delayTimer.Init(); |
| delayTimer.SetDelayTimer(Timer::SecToMsec(DelayTimerTlv::kMinDelayTimer)); |
| mNetwork.Set(delayTimer); |
| |
| // add pending timestamp tlv |
| mNetwork.SetTimestamp(aTimestamp); |
| HandleNetworkUpdate(flags); |
| |
| // reset delay timer |
| ResetDelayTimer(kFlagNetworkUpdated); |
| |
| exit: |
| {} |
| } |
| |
| void PendingDatasetBase::HandleNetworkUpdate(uint8_t &aFlags) |
| { |
| DatasetManager::HandleNetworkUpdate(aFlags); |
| } |
| |
| } // namespace MeshCoP |
| } // namespace Thread |
