// Import data from the specified file
bool DLP4TrajectoryPlugin::importData()
{
// Read header information from trajectory file, if there is any
QString name;
if ( !fileParser_.readLine ( name ) ) {
return false;
}
targetModel()->setName ( name );
if ( !fileParser_.skipLines ( 1 ) ) {
return false;
}
// Read the first trajectory frame.
// The model where we should put the frame data will have been set in the FileParser (in parentModel()).
// Calling FilePluginInterface::importPart(0) will set the file positions we need, and read in the first frame.
Model* frame = createFrame();
if (!importPart(0))
{
discardFrame(frame);
return false;
}
if (standardOptions_.isSetAndOn(FilePluginStandardImportOptions::CacheAllSwitch))
{
Messenger::print("Caching all frames from HISTORY file (%i %s)...", nDataParts(), isNPartialDataEstimated() ? "estimated" : "actual");
int count = 0;
bool frameResult;
do
{
// Add a new trajectory frame
Model* frame = createFrame();
// Attempt to read in the next data part in the file
frameResult = importPart(++count);
if (!frameResult) discardFrame(frame);
} while (frameResult && (!fileParser_.eofOrBlank()));
closeFiles();
}
return true;
}
//*****
void DtmfDataLinkLayer::processFrame(Frame incoming)
{
if(incoming.checkParity()==0)
{
if(incoming.receiver == MY_ADDRESS)
//if frame is for me and parity is ok
{
switch(incoming.type)
{
case 3:
//if frame type is dataframe
{
acceptFrame(incoming);
break;
}
case 2:
//if frame is station accepting token
{
passToken();
break;
}
case 1:
//if frame is station offering token
{
tokenOffered();
break;
}
case 0:
//if frame is reply from receiver
{
if(hasToken == 1)
replyFromReceiver(incoming);
else
{
#ifdef DEBUG
DEBUG_OUT << " reply to tokenholder " ;
#endif
discardFrame();
}
break;
}
default:
//impossible frame type
{
fatalError();
break;
}
}
}
else
//frame is not for me
{
if(incoming.type == 0 && hasToken == 1)
//if frame is reply from receiver and tokenholder is me
replyFromReceiver(incoming);
else if(incoming.type == 2 && hasToken == 1)
//if frame is accept token and I have token
passToken();
else
{
#ifdef DEBUG
DEBUG_OUT << " wrong receiver " ;
#endif
discardFrame();
}
}
}
else
{
#ifdef DEBUG
DEBUG_OUT << " bad parity " ;
#endif
discardFrame();
}
}
