::CORBA::Boolean
tofObserver_i::readData ( ::CORBA::Long pos, ::SignalObserver::DataReadBuffer_out dataReadBuffer )
{
std::lock_guard< std::mutex > lock( mutex_ );
if ( pos < 0 )
pos = fifo_.back();
if ( !fifo_.empty() && ( fifo_.front() <= pos && pos <= fifo_.back() ) ) {
int noffs = pos - fifo_.front().pos_;
if ( noffs < 0 || unsigned(noffs) >= fifo_.size() )
return false;
cache_item& d = fifo_[ noffs ];
if ( d.pos_ != pos ) { // in case if some data lost
std::deque< cache_item >::iterator it = std::lower_bound( fifo_.begin(), fifo_.end(), pos );
if ( it != fifo_.end() )
d = *it;
else
return false;
}
if ( d.mb_->msg_type() == constants::MB_InfiTOF_DATA ) {
TAO_InputCDR cdr( d.mb_->cont() );
InfiTOF::AveragerData data;
cdr >> data;
SignalObserver::DataReadBuffer_var res = new SignalObserver::DataReadBuffer;
res->method <<= data;
res->uptime = data.uptime;
res->pos = d.pos_;
res->events = data.wellKnownEvents;
res->array.length( data.nbrSamples );
memcpy( &res->array[0], d.mb_->rd_ptr(), data.nbrSamples * sizeof(long) );
dataReadBuffer = res._retn();
return true;
}
::CORBA::Boolean
traceObserver_i::readData ( ::CORBA::Long pos, ::SignalObserver::DataReadBuffer_out dataReadBuffer )
{
acewrapper::scoped_mutex_t<> lock( mutex_ );
if ( pos < 0 )
pos = fifo_.back();
if ( !fifo_.empty() && ( fifo_.front() <= pos && pos <= fifo_.back() ) ) {
std::deque< cache_item >::iterator it = std::lower_bound( fifo_.begin(), fifo_.end(), pos );
if ( it != fifo_.end() ) {
SignalObserver::DataReadBuffer_var rb = new SignalObserver::DataReadBuffer;
rb->pos = it->pos_;
const TOFInstrument::TraceDescriptor& desc = it->desc_;
rb->events = desc.wellKnownEvents;
rb->ndata = std::distance( it, fifo_.end() );
TOFInstrument::SpectrumProcessedDataArray ar;
ar.length( rb->ndata );
for ( size_t i = 0 ; it != fifo_.end(); ++it, ++i ) {
const TOFInstrument::SpectrumProcessedData& d = it->data_;
ar[i] = d;
}
rb->data <<= ar;
dataReadBuffer = rb._retn();
return true;
}
}
return false;
}
