void Joiner::HandleDiscoverResult(otActiveScanResult *aResult)
{
if (aResult != NULL)
{
otLogFuncEntryMsg("aResult = %llX", HostSwap64(*reinterpret_cast<uint64_t *>(&aResult->mExtAddress)));
SteeringDataTlv steeringData;
Mac::ExtAddress extAddress;
Crc16 ccitt(Crc16::kCcitt);
Crc16 ansi(Crc16::kAnsi);
mNetif.GetMac().GetHashMacAddress(&extAddress);
for (size_t i = 0; i < sizeof(extAddress); i++)
{
ccitt.Update(extAddress.m8[i]);
ansi.Update(extAddress.m8[i]);
}
steeringData.SetLength(aResult->mSteeringData.mLength);
memcpy(steeringData.GetValue(), aResult->mSteeringData.m8, steeringData.GetLength());
if (steeringData.GetBit(ccitt.Get() % steeringData.GetNumBits()) &&
steeringData.GetBit(ansi.Get() % steeringData.GetNumBits()))
{
mJoinerUdpPort = aResult->mJoinerUdpPort;
mJoinerRouterPanId = aResult->mPanId;
mJoinerRouterChannel = aResult->mChannel;
memcpy(&mJoinerRouter, &aResult->mExtAddress, sizeof(mJoinerRouter));
}
else
{
otLogDebgMeshCoP("Steering data not set");
}
}
else if (mJoinerRouterPanId != Mac::kPanIdBroadcast)
{
otLogFuncEntryMsg("aResult = NULL");
// open UDP port
Ip6::SockAddr sockaddr;
sockaddr.mPort = mJoinerUdpPort;
mSocket.Open(&Joiner::HandleUdpReceive, this);
mSocket.Bind(sockaddr);
mNetif.GetMac().SetPanId(mJoinerRouterPanId);
mNetif.GetMac().SetChannel(mJoinerRouterChannel);
mNetif.GetIp6Filter().AddUnsecurePort(sockaddr.mPort);
mNetif.GetDtls().Start(true, HandleDtlsReceive, HandleDtlsSend, this);
}
otLogFuncExit();
}
void Joiner::HandleDiscoverResult(otActiveScanResult *aResult)
{
if (aResult != NULL)
{
JoinerRouter joinerRouter;
otLogDebgMeshCoP("Received Discovery Response (%s)",
static_cast<Mac::ExtAddress &>(aResult->mExtAddress).ToString().AsCString());
// Joining is disabled if the Steering Data is not included
if (aResult->mSteeringData.mLength == 0)
{
otLogDebgMeshCoP("No steering data, joining disabled");
ExitNow();
}
SteeringDataTlv steeringData;
steeringData.SetLength(aResult->mSteeringData.mLength);
memcpy(steeringData.GetValue(), aResult->mSteeringData.m8, steeringData.GetLength());
if (!steeringData.GetBit(mCcitt % steeringData.GetNumBits()) ||
!steeringData.GetBit(mAnsi % steeringData.GetNumBits()))
{
otLogDebgMeshCoP("Steering data does not include this device");
ExitNow();
}
joinerRouter.mPriority = static_cast<uint16_t>(aResult->mRssi) + 0x80;
if (!steeringData.DoesAllowAny())
{
joinerRouter.mPriority += kSpecificPriorityBonus;
}
joinerRouter.mJoinerUdpPort = aResult->mJoinerUdpPort;
joinerRouter.mPanId = aResult->mPanId;
joinerRouter.mChannel = aResult->mChannel;
joinerRouter.mExtAddr = static_cast<Mac::ExtAddress &>(aResult->mExtAddress);
AddJoinerRouter(joinerRouter);
}
else
{
otError error = TryNextJoin();
if (error != OT_ERROR_NONE)
{
Complete(error);
}
}
exit:
return;
}