| /* |
| * 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 the Thread network interface. |
| */ |
| |
| #include "thread_netif.hpp" |
| |
| #include "common/code_utils.hpp" |
| #include "common/encoding.hpp" |
| #include "common/instance.hpp" |
| #include "common/locator-getters.hpp" |
| #include "common/message.hpp" |
| #include "net/ip6.hpp" |
| #include "net/netif.hpp" |
| #include "net/udp6.hpp" |
| #include "thread/mle.hpp" |
| #include "thread/thread_tlvs.hpp" |
| #include "thread/thread_uri_paths.hpp" |
| |
| namespace ot { |
| |
| ThreadNetif::ThreadNetif(Instance &aInstance) |
| : Netif(aInstance) |
| , mCoap(aInstance) |
| #if OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE |
| , mDhcp6Client(aInstance) |
| #endif // OPENTHREAD_CONFIG_DHCP6_CLIENT_ENABLE |
| #if OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE |
| , mDhcp6Server(aInstance) |
| #endif // OPENTHREAD_CONFIG_DHCP6_SERVER_ENABLE |
| #if OPENTHREAD_CONFIG_IP6_SLAAC_ENABLE |
| , mSlaac(aInstance) |
| #endif |
| #if OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE |
| , mDnsClient(Get<ThreadNetif>()) |
| #endif // OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE |
| #if OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE |
| , mSntpClient(Get<ThreadNetif>()) |
| #endif // OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE |
| , mActiveDataset(aInstance) |
| , mPendingDataset(aInstance) |
| , mKeyManager(aInstance) |
| , mLowpan(aInstance) |
| , mMac(aInstance) |
| , mMeshForwarder(aInstance) |
| , mMleRouter(aInstance) |
| #if OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE || OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE |
| , mNetworkDataLocal(aInstance) |
| #endif |
| , mNetworkDataLeader(aInstance) |
| #if OPENTHREAD_FTD || OPENTHREAD_CONFIG_TMF_NETWORK_DIAG_MTD_ENABLE |
| , mNetworkDiagnostic(aInstance) |
| #endif |
| , mIsUp(false) |
| #if OPENTHREAD_CONFIG_BORDER_AGENT_ENABLE |
| , mBorderAgent(aInstance) |
| #endif |
| #if OPENTHREAD_CONFIG_COMMISSIONER_ENABLE && OPENTHREAD_FTD |
| , mCommissioner(aInstance) |
| #endif // OPENTHREAD_CONFIG_COMMISSIONER_ENABLE && OPENTHREAD_FTD |
| #if OPENTHREAD_CONFIG_DTLS_ENABLE |
| , mCoapSecure(aInstance) |
| #endif |
| #if OPENTHREAD_CONFIG_JOINER_ENABLE |
| , mJoiner(aInstance) |
| #endif // OPENTHREAD_CONFIG_JOINER_ENABLE |
| #if OPENTHREAD_CONFIG_JAM_DETECTION_ENABLE |
| , mJamDetector(aInstance) |
| #endif // OPENTHREAD_CONFIG_JAM_DETECTION_ENABLE |
| #if OPENTHREAD_FTD |
| , mJoinerRouter(aInstance) |
| , mLeader(aInstance) |
| , mAddressResolver(aInstance) |
| #endif // OPENTHREAD_FTD |
| , mChildSupervisor(aInstance) |
| , mSupervisionListener(aInstance) |
| , mAnnounceBegin(aInstance) |
| , mPanIdQuery(aInstance) |
| , mEnergyScan(aInstance) |
| #if OPENTHREAD_CONFIG_TIME_SYNC_ENABLE |
| , mTimeSync(aInstance) |
| #endif |
| { |
| Get<Coap::Coap>().SetInterceptor(&ThreadNetif::TmfFilter, this); |
| } |
| |
| void ThreadNetif::Up(void) |
| { |
| VerifyOrExit(!mIsUp); |
| |
| // Enable the MAC just in case it was disabled while the Interface was down. |
| Get<Mac::Mac>().SetEnabled(true); |
| #if OPENTHREAD_CONFIG_CHANNEL_MONITOR_ENABLE |
| Get<Utils::ChannelMonitor>().Start(); |
| #endif |
| Get<MeshForwarder>().Start(); |
| |
| mIsUp = true; |
| |
| SubscribeAllNodesMulticast(); |
| Get<Mle::MleRouter>().Enable(); |
| Get<Coap::Coap>().Start(kCoapUdpPort); |
| #if OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE |
| Get<Dns::Client>().Start(); |
| #endif |
| #if OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE |
| Get<Sntp::Client>().Start(); |
| #endif |
| Get<Notifier>().Signal(OT_CHANGED_THREAD_NETIF_STATE); |
| |
| exit: |
| return; |
| } |
| |
| void ThreadNetif::Down(void) |
| { |
| VerifyOrExit(mIsUp); |
| |
| #if OPENTHREAD_CONFIG_DNS_CLIENT_ENABLE |
| Get<Dns::Client>().Stop(); |
| #endif |
| #if OPENTHREAD_CONFIG_SNTP_CLIENT_ENABLE |
| Get<Sntp::Client>().Stop(); |
| #endif |
| #if OPENTHREAD_CONFIG_DTLS_ENABLE |
| Get<Coap::CoapSecure>().Stop(); |
| #endif |
| Get<Coap::Coap>().Stop(); |
| Get<Mle::MleRouter>().Disable(); |
| RemoveAllExternalUnicastAddresses(); |
| UnsubscribeAllExternalMulticastAddresses(); |
| UnsubscribeAllRoutersMulticast(); |
| UnsubscribeAllNodesMulticast(); |
| |
| mIsUp = false; |
| Get<MeshForwarder>().Stop(); |
| #if OPENTHREAD_CONFIG_CHANNEL_MONITOR_ENABLE |
| Get<Utils::ChannelMonitor>().Stop(); |
| #endif |
| Get<Notifier>().Signal(OT_CHANGED_THREAD_NETIF_STATE); |
| |
| exit: |
| return; |
| } |
| |
| otError ThreadNetif::RouteLookup(const Ip6::Address &aSource, const Ip6::Address &aDestination, uint8_t *aPrefixMatch) |
| { |
| otError error; |
| uint16_t rloc; |
| |
| SuccessOrExit(error = Get<NetworkData::Leader>().RouteLookup(aSource, aDestination, aPrefixMatch, &rloc)); |
| |
| if (rloc == Get<Mle::MleRouter>().GetRloc16()) |
| { |
| error = OT_ERROR_NO_ROUTE; |
| } |
| |
| exit: |
| return error; |
| } |
| |
| otError ThreadNetif::TmfFilter(const Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo, void *aContext) |
| { |
| OT_UNUSED_VARIABLE(aMessage); |
| |
| return static_cast<ThreadNetif *>(aContext)->IsTmfMessage(aMessageInfo) ? OT_ERROR_NONE : OT_ERROR_NOT_TMF; |
| } |
| |
| bool ThreadNetif::IsTmfMessage(const Ip6::MessageInfo &aMessageInfo) |
| { |
| bool rval = true; |
| |
| // A TMF message must comply with following rules: |
| // 1. The destination is a Mesh Local Address or a Link-Local Multicast Address or a Realm-Local Multicast Address, |
| // and the source is a Mesh Local Address. Or |
| // 2. Both the destination and the source are Link-Local Addresses. |
| VerifyOrExit( |
| ((Get<Mle::MleRouter>().IsMeshLocalAddress(aMessageInfo.GetSockAddr()) || |
| aMessageInfo.GetSockAddr().IsLinkLocalMulticast() || aMessageInfo.GetSockAddr().IsRealmLocalMulticast()) && |
| Get<Mle::MleRouter>().IsMeshLocalAddress(aMessageInfo.GetPeerAddr())) || |
| ((aMessageInfo.GetSockAddr().IsLinkLocal() || aMessageInfo.GetSockAddr().IsLinkLocalMulticast()) && |
| aMessageInfo.GetPeerAddr().IsLinkLocal()), |
| rval = false); |
| exit: |
| return rval; |
| } |
| |
| } // namespace ot |