void Playground::fillBubbles()
{
for(int x = 0; x < columns; x++)
for(int y = 0; y < rows; y++)
createBlock(x, y);
}
int vector_to_streams_cc_4o_base::_transformerServiceFunction( std::vector< gr_istream_base * > &istreams ,
std::vector< gr_ostream_base * > &ostreams )
{
typedef std::vector< gr_istream_base * > _IStreamList;
typedef std::vector< gr_ostream_base * > _OStreamList;
boost::mutex::scoped_lock lock(serviceThreadLock);
if ( validGRBlock() == false ) {
// create our processing block, and setup property notifiers
createBlock();
LOG_DEBUG( vector_to_streams_cc_4o_base, " FINISHED BUILDING GNU RADIO BLOCK");
}
//process any Stream ID changes this could affect number of io streams
processStreamIdChanges();
if ( !validGRBlock() || istreams.size() == 0 || ostreams.size() == 0 ) {
LOG_WARN( vector_to_streams_cc_4o_base, "NO STREAMS ATTACHED TO BLOCK..." );
return NOOP;
}
_input_ready.resize( istreams.size() );
_ninput_items_required.resize( istreams.size() );
_ninput_items.resize( istreams.size() );
_input_items.resize( istreams.size() );
_output_items.resize( ostreams.size() );
//
// RESOLVE: need to look at forecast strategy,
// 1) see how many read items are necessary for N number of outputs
// 2) read input data and see how much output we can produce
//
//
// Grab available data from input streams
//
_OStreamList::iterator ostream;
_IStreamList::iterator istream = istreams.begin();
int nitems=0;
for ( int idx=0 ; istream != istreams.end() && serviceThread->threadRunning() ; idx++, istream++ ) {
// note this a blocking read that can cause deadlocks
nitems = (*istream)->read();
if ( (*istream)->overrun() ) {
LOG_WARN( vector_to_streams_cc_4o_base, " NOT KEEPING UP WITH STREAM ID:" << (*istream)->streamID );
}
if ( (*istream)->sriChanged() ) {
// RESOLVE - need to look at how SRI changes can affect Gnu Radio BLOCK state
LOG_DEBUG( vector_to_streams_cc_4o_base, "SRI CHANGED, STREAMD IDX/ID: "
<< idx << "/" << (*istream)->getPktStreamId() );
setOutputStreamSRI( idx, (*istream)->getPktSri() );
}
}
LOG_TRACE( vector_to_streams_cc_4o_base, "READ NITEMS: " << nitems );
if ( nitems <= 0 && !_istreams[0]->eos() ) {
return NOOP;
}
bool eos = false;
int nout = 0;
bool workDone = false;
while ( nout > -1 && serviceThread->threadRunning() ) {
eos = false;
nout = _forecastAndProcess( eos, istreams, ostreams );
if ( nout > -1 ) {
workDone = true;
// we chunked on data so move read pointer..
istream = istreams.begin();
for ( ; istream != istreams.end(); istream++ ) {
int idx=std::distance( istreams.begin(), istream );
// if we processed data for this stream
if ( _input_ready[idx] ) {
size_t nitems = 0;
try {
nitems = gr_sptr->nitems_read( idx );
} catch(...){}
if ( nitems > (*istream)->nitems() ) {
LOG_WARN( vector_to_streams_cc_4o_base, "WORK CONSUMED MORE DATA THAN AVAILABLE, READ/AVAILABLE "
<< nitems << "/" << (*istream)->nitems() );
nitems = (*istream)->nitems();
}
(*istream)->consume( nitems );
LOG_TRACE( vector_to_streams_cc_4o_base, " CONSUME READ DATA ITEMS/REMAIN " << nitems << "/" << (*istream)->nitems());
}
}
gr_sptr->reset_read_index();
}
// check for not enough data return
if ( nout == -1 ) {
// check for end of stream
istream = istreams.begin();
for ( ; istream != istreams.end() ; istream++) {
if ( (*istream)->eos() ) {
eos=true;
}
}
if ( eos ) {
LOG_TRACE( vector_to_streams_cc_4o_base, "EOS SEEN, SENDING DOWNSTREAM " );
_forecastAndProcess( eos, istreams, ostreams);
}
}
}
if ( eos ) {
istream = istreams.begin();
for ( ; istream != istreams.end() ; istream++ ) {
int idx=std::distance( istreams.begin(), istream );
LOG_DEBUG( vector_to_streams_cc_4o_base, " CLOSING INPUT STREAM IDX:" << idx );
(*istream)->close();
}
// close remaining output streams
ostream = ostreams.begin();
for ( ; eos && ostream != ostreams.end(); ostream++ ) {
int idx=std::distance( ostreams.begin(), ostream );
LOG_DEBUG( vector_to_streams_cc_4o_base, " CLOSING OUTPUT STREAM IDX:" << idx );
(*ostream)->close();
}
}
//
// set the read pointers of the GNU Radio Block to start at the beginning of the
// supplied buffers
//
gr_sptr->reset_read_index();
LOG_TRACE( vector_to_streams_cc_4o_base, " END OF TRANSFORM SERVICE FUNCTION....." << noutput_items );
if ( nout == -1 && eos == false && !workDone ) {
return NOOP;
} else {
return NORMAL;
}
}
static LLMessageBlock* defaultBlock(const EMsgVariableType type = MVT_NULL, const S32 size = 0, EMsgBlockType block = MBT_VARIABLE)
{
return createBlock(_PREHASH_Test0, type, size, block);
}
