C++ (Cpp) Message::Read Examples

Example #1

File: joiner.cpp Project: turon/openthread

void Joiner::HandleJoinerFinalizeResponse(Coap::Message &         aMessage,
                                          const Ip6::MessageInfo *aMessageInfo,
                                          otError                 aResult)
{
    OT_UNUSED_VARIABLE(aMessageInfo);

    StateTlv state;

    VerifyOrExit(mState == OT_JOINER_STATE_CONNECTED && aResult == OT_ERROR_NONE &&
                 aMessage.GetType() == OT_COAP_TYPE_ACKNOWLEDGMENT && aMessage.GetCode() == OT_COAP_CODE_CHANGED);

    SuccessOrExit(Tlv::GetTlv(aMessage, Tlv::kState, sizeof(state), state));
    VerifyOrExit(state.IsValid());

    mState = OT_JOINER_STATE_ENTRUST;
    mTimer.Start(kTimeout);

    otLogInfoMeshCoP("received joiner finalize response %d", static_cast<uint8_t>(state.GetState()));
#if OPENTHREAD_ENABLE_CERT_LOG
    uint8_t buf[OPENTHREAD_CONFIG_MESSAGE_BUFFER_SIZE];

    VerifyOrExit(aMessage.GetLength() <= sizeof(buf));
    aMessage.Read(aMessage.GetOffset(), aMessage.GetLength() - aMessage.GetOffset(), buf);
    otDumpCertMeshCoP("[THCI] direction=recv | type=JOIN_FIN.rsp |", buf, aMessage.GetLength() - aMessage.GetOffset());
#endif

exit:
    Close();
}

Example #2

File: joiner_router.cpp Project: turon/openthread

void JoinerRouter::HandleRelayTransmit(Coap::Message &aMessage, const Ip6::MessageInfo &aMessageInfo)
{
    OT_UNUSED_VARIABLE(aMessageInfo);

    otError            error;
    JoinerUdpPortTlv   joinerPort;
    JoinerIidTlv       joinerIid;
    JoinerRouterKekTlv kek;
    uint16_t           offset;
    uint16_t           length;
    Message *          message  = NULL;
    otMessageSettings  settings = {false, static_cast<otMessagePriority>(kMeshCoPMessagePriority)};
    Ip6::MessageInfo   messageInfo;

    VerifyOrExit(aMessage.GetType() == OT_COAP_TYPE_NON_CONFIRMABLE && aMessage.GetCode() == OT_COAP_CODE_POST,
                 error = OT_ERROR_DROP);

    otLogInfoMeshCoP("Received relay transmit");

    SuccessOrExit(error = Tlv::GetTlv(aMessage, Tlv::kJoinerUdpPort, sizeof(joinerPort), joinerPort));
    VerifyOrExit(joinerPort.IsValid(), error = OT_ERROR_PARSE);

    SuccessOrExit(error = Tlv::GetTlv(aMessage, Tlv::kJoinerIid, sizeof(joinerIid), joinerIid));
    VerifyOrExit(joinerIid.IsValid(), error = OT_ERROR_PARSE);

    SuccessOrExit(error = Tlv::GetValueOffset(aMessage, Tlv::kJoinerDtlsEncapsulation, offset, length));

    VerifyOrExit((message = mSocket.NewMessage(0, &settings)) != NULL, error = OT_ERROR_NO_BUFS);

    while (length)
    {
        uint16_t copyLength = length;
        uint8_t  tmp[16];

        if (copyLength >= sizeof(tmp))
        {
            copyLength = sizeof(tmp);
        }

        aMessage.Read(offset, copyLength, tmp);
        SuccessOrExit(error = message->Append(tmp, copyLength));

        offset += copyLength;
        length -= copyLength;
    }

    aMessage.CopyTo(offset, 0, length, *message);

    messageInfo.mPeerAddr.mFields.m16[0] = HostSwap16(0xfe80);
    memcpy(messageInfo.mPeerAddr.mFields.m8 + 8, joinerIid.GetIid(), 8);
    messageInfo.SetPeerPort(joinerPort.GetUdpPort());
    messageInfo.SetInterfaceId(GetNetif().GetInterfaceId());

    SuccessOrExit(error = mSocket.SendTo(*message, messageInfo));

    if (Tlv::GetTlv(aMessage, Tlv::kJoinerRouterKek, sizeof(kek), kek) == OT_ERROR_NONE)
    {
        otLogInfoMeshCoP("Received kek");

        DelaySendingJoinerEntrust(messageInfo, kek);
    }

exit:
    if (error != OT_ERROR_NONE && message != NULL)
    {
        message->Free();
    }
}

Example #3

File: joiner.cpp Project: turon/openthread

void Joiner::SendJoinerFinalize(void)
{
    ThreadNetif &         netif   = GetNetif();
    otError               error   = OT_ERROR_NONE;
    Coap::Message *       message = NULL;
    StateTlv              stateTlv;
    VendorNameTlv         vendorNameTlv;
    VendorModelTlv        vendorModelTlv;
    VendorSwVersionTlv    vendorSwVersionTlv;
    VendorStackVersionTlv vendorStackVersionTlv;

    VerifyOrExit((message = NewMeshCoPMessage(netif.GetCoapSecure())) != NULL, error = OT_ERROR_NO_BUFS);

    message->Init(OT_COAP_TYPE_CONFIRMABLE, OT_COAP_CODE_POST);
    message->AppendUriPathOptions(OT_URI_PATH_JOINER_FINALIZE);
    message->SetPayloadMarker();
    message->SetOffset(message->GetLength());

    stateTlv.Init();
    stateTlv.SetState(MeshCoP::StateTlv::kAccept);
    SuccessOrExit(error = message->Append(&stateTlv, sizeof(stateTlv)));

    vendorNameTlv.Init();
    vendorNameTlv.SetVendorName(mVendorName);
    SuccessOrExit(error = message->Append(&vendorNameTlv, vendorNameTlv.GetSize()));

    vendorModelTlv.Init();
    vendorModelTlv.SetVendorModel(mVendorModel);
    SuccessOrExit(error = message->Append(&vendorModelTlv, vendorModelTlv.GetSize()));

    vendorSwVersionTlv.Init();
    vendorSwVersionTlv.SetVendorSwVersion(mVendorSwVersion);
    SuccessOrExit(error = message->Append(&vendorSwVersionTlv, vendorSwVersionTlv.GetSize()));

    vendorStackVersionTlv.Init();
    vendorStackVersionTlv.SetOui(OPENTHREAD_CONFIG_STACK_VENDOR_OUI);
    vendorStackVersionTlv.SetMajor(OPENTHREAD_CONFIG_STACK_VERSION_MAJOR);
    vendorStackVersionTlv.SetMinor(OPENTHREAD_CONFIG_STACK_VERSION_MINOR);
    vendorStackVersionTlv.SetRevision(OPENTHREAD_CONFIG_STACK_VERSION_REV);
    SuccessOrExit(error = message->Append(&vendorStackVersionTlv, vendorStackVersionTlv.GetSize()));

    if (mVendorData != NULL)
    {
        VendorDataTlv vendorDataTlv;
        vendorDataTlv.Init();
        vendorDataTlv.SetVendorData(mVendorData);
        SuccessOrExit(error = message->Append(&vendorDataTlv, vendorDataTlv.GetSize()));
    }

    if (netif.GetCoapSecure().GetDtls().mProvisioningUrl.GetLength() > 0)
    {
        SuccessOrExit(error = message->Append(&netif.GetCoapSecure().GetDtls().mProvisioningUrl,
                                              netif.GetCoapSecure().GetDtls().mProvisioningUrl.GetSize()));
    }

#if OPENTHREAD_ENABLE_CERT_LOG
    uint8_t buf[OPENTHREAD_CONFIG_MESSAGE_BUFFER_SIZE];

    VerifyOrExit(message->GetLength() <= sizeof(buf));
    message->Read(message->GetOffset(), message->GetLength() - message->GetOffset(), buf);
    otDumpCertMeshCoP("[THCI] direction=send | type=JOIN_FIN.req |", buf, message->GetLength() - message->GetOffset());
#endif

    SuccessOrExit(error = netif.GetCoapSecure().SendMessage(*message, Joiner::HandleJoinerFinalizeResponse, this));

    otLogInfoMeshCoP("Sent joiner finalize");

exit:

    if (error != OT_ERROR_NONE && message != NULL)
    {
        message->Free();
    }
}