template<class T , class S >

int StateMachineDrive< T, S >::TrackWobble ( const EventImp &  evt )

inlineprivate

Definition at line 2059 of file drivectrl.cc.

References Source::angles, Error(), EventImp::GetSize(), EventImp::GetUShort(), Source::offset, and EventImp::Ptr().

    {
        if (evt.GetSize()<2)
        {
            ostringstream msg;
            msg << "TrackWobble - Received event has " << evt.GetSize() << " bytes, but expected at least 3.";
            T::Fatal(msg);
            return T::kSM_FatalError;
        }

        if (evt.GetSize()==2)
        {
            ostringstream msg;
            msg << "TrackWobble - Source name missing.";
            T::Error(msg);
            return T::GetCurrentState();
        }

        const uint16_t wobble = evt.GetUShort();
        if (wobble!=1 && wobble!=2)
        {
            ostringstream msg;
            msg << "TrackWobble - Wobble id " << wobble << " undefined, only 1 and 2 allowed.";
            T::Error(msg);
            return T::GetCurrentState();
        }

        const char *ptr  = evt.Ptr<char>(2);
        const char *last = ptr+evt.GetSize()-2;

        try
        {
            const sources::const_iterator it = GetSourceFromDB(ptr, last);

            const Source &src = it->second;
            return StartTracking(src, src.offset, src.angles[wobble-1]);
        }
        catch (const uint32_t &e)
        {
            return e;
        }
    }

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