Beispiel #1
0
void Dtls::HandleUdpReceive(Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
{
    switch (mState)
    {
    case MeshCoP::Dtls::kStateClosed:
        ExitNow();

    case MeshCoP::Dtls::kStateOpen:
    {
        Ip6::SockAddr sockAddr;

        sockAddr.mAddress = aMessageInfo.GetPeerAddr();
        sockAddr.mPort    = aMessageInfo.GetPeerPort();
        mSocket.Connect(sockAddr);

        mPeerAddress.SetPeerAddr(aMessageInfo.GetPeerAddr());
        mPeerAddress.SetPeerPort(aMessageInfo.GetPeerPort());
        mPeerAddress.SetInterfaceId(aMessageInfo.GetInterfaceId());

        if (Get<ThreadNetif>().IsUnicastAddress(aMessageInfo.GetSockAddr()))
        {
            mPeerAddress.SetSockAddr(aMessageInfo.GetSockAddr());
        }

        mPeerAddress.SetSockPort(aMessageInfo.GetSockPort());

        SuccessOrExit(Setup(false));
        break;
    }

    default:
        // Once DTLS session is started, communicate only with a peer.
        VerifyOrExit((mPeerAddress.GetPeerAddr() == aMessageInfo.GetPeerAddr()) &&
                     (mPeerAddress.GetPeerPort() == aMessageInfo.GetPeerPort()));
        break;
    }

#if OPENTHREAD_ENABLE_BORDER_AGENT || OPENTHREAD_ENABLE_COMMISSIONER
    if (mState == MeshCoP::Dtls::kStateConnecting)
    {
        SetClientId(mPeerAddress.GetPeerAddr().mFields.m8, sizeof(mPeerAddress.GetPeerAddr().mFields));
    }
#endif

    Receive(aMessage, aMessage.GetOffset(), aMessage.GetLength() - aMessage.GetOffset());

exit:
    return;
}
Beispiel #2
0
void CoapSecure::Receive(Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
{
    ThreadNetif &netif = GetNetif();

    if (!netif.GetDtls().IsStarted())
    {
        Ip6::SockAddr sockAddr;
        sockAddr.mAddress = aMessageInfo.GetPeerAddr();
        sockAddr.mPort    = aMessageInfo.GetPeerPort();
        mSocket.Connect(sockAddr);

        mPeerAddress.SetPeerAddr(aMessageInfo.GetPeerAddr());
        mPeerAddress.SetPeerPort(aMessageInfo.GetPeerPort());
        mPeerAddress.SetInterfaceId(aMessageInfo.GetInterfaceId());

        if (netif.IsUnicastAddress(aMessageInfo.GetSockAddr()))
        {
            mPeerAddress.SetSockAddr(aMessageInfo.GetSockAddr());
        }

        mPeerAddress.SetSockPort(aMessageInfo.GetSockPort());

        netif.GetDtls().Start(false, &CoapSecure::HandleDtlsConnected, &CoapSecure::HandleDtlsReceive,
                              CoapSecure::HandleDtlsSend, this);
    }
    else
    {
        // Once DTLS session is started, communicate only with a peer.
        VerifyOrExit((mPeerAddress.GetPeerAddr() == aMessageInfo.GetPeerAddr()) &&
                     (mPeerAddress.GetPeerPort() == aMessageInfo.GetPeerPort()));
    }

    netif.GetDtls().SetClientId(mPeerAddress.GetPeerAddr().mFields.m8, sizeof(mPeerAddress.GetPeerAddr().mFields));
    netif.GetDtls().Receive(aMessage, aMessage.GetOffset(), aMessage.GetLength() - aMessage.GetOffset());

exit:
    return;
}