// Function for retreiving all the files in the given path including sub directories
Files Receiver::showFiles(const Path1& path, Patterns& patts)
{
Files *files = new Files();
Path *p=new Path();
string fullpath = p->getFullFileSpec(path);
if (!FileSystem::Directory::exists(path))
{
std::ostringstream out;
out << "path " << path << "does not exist";
throw std::exception(out.str().c_str());
}
std::vector<std::string> directories;
directories.push_back(fullpath);
showAllDirectories((fullpath), directories);
for (auto direc : directories){
FileSystem::Directory::setCurrentDirectory(direc);
for (auto patt : patts)
{
std::string fp = FileSystem::Directory::getCurrentDirectory();
std::vector<std::string> temp = FileSystem::Directory::getFiles(FileSystem::Directory::getCurrentDirectory(), patt);
for (size_t i = 0; i < temp.size(); i++){
temp[i] = fp + "\\" + temp[i];
}
files->insert(files->end(), temp.begin(), temp.end());
}
}
return *files;
}
bool readMasterFile(Files& files) const
{
osgDB::ifstream fin(_filename.c_str());
if (fin)
{
osgDB::Input fr;
fr.attach(&fin);
bool readFilename = false;
while(!fr.eof())
{
bool itrAdvanced = false;
if (fr.matchSequence("file %s") || fr.matchSequence("file %w") )
{
files.insert(fr[1].getStr());
fr += 2;
itrAdvanced = true;
readFilename = true;
}
if (!itrAdvanced)
{
++fr;
}
}
return readFilename;
}
return false;
}
void load()
{
//osg::notify(osg::NOTICE)<<"void load(Object)"<<std::endl;
Files filesA;
Files filesB;
readMasterFile(filesB);
// osg::notify(osg::NOTICE)<<"First read "<<filesA.size()<<std::endl;
// itererate until the master file is stable
do
{
OpenThreads::Thread::microSleep(100000);
filesB.swap(filesA);
filesB.clear();
readMasterFile(filesB);
// osg::notify(osg::NOTICE)<<"second read "<<filesB.size()<<std::endl;
} while (filesA!=filesB);
Files files;
files.swap(filesB);
// osg::notify(osg::NOTICE)<<"Now equal "<<files.size()<<std::endl;
Files newFiles;
Files removedFiles;
// find out which files are new, and which ones have been removed.
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
for(Files::iterator fitr = files.begin();
fitr != files.end();
++fitr)
{
if (_existingFilenameNodeMap.count(*fitr)==0) newFiles.insert(*fitr);
}
for(FilenameNodeMap::iterator litr = _existingFilenameNodeMap.begin();
litr != _existingFilenameNodeMap.end();
++litr)
{
if (files.count(litr->first)==0)
{
removedFiles.insert(litr->first);
}
}
}
#if 0
if (!newFiles.empty() || !removedFiles.empty())
{
osg::notify(osg::NOTICE)<<std::endl<<std::endl<<"void operator () files.size()="<<files.size()<<std::endl;
}
#endif
// first load the new files.
FilenameNodeMap nodesToAdd;
if (!newFiles.empty())
{
typedef std::vector< osg::ref_ptr<osg::GraphicsThread> > GraphicsThreads;
GraphicsThreads threads;
for(unsigned int i=0; i<= osg::GraphicsContext::getMaxContextID(); ++i)
{
osg::GraphicsContext* gc = osg::GraphicsContext::getCompileContext(i);
osg::GraphicsThread* gt = gc ? gc->getGraphicsThread() : 0;
if (gt) threads.push_back(gt);
}
if (_operationQueue.valid())
{
// osg::notify(osg::NOTICE)<<"Using OperationQueue"<<std::endl;
_endOfLoadBlock = new osg::RefBlockCount(newFiles.size());
_endOfLoadBlock->reset();
typedef std::list< osg::ref_ptr<LoadAndCompileOperation> > LoadAndCompileList;
LoadAndCompileList loadAndCompileList;
for(Files::iterator nitr = newFiles.begin();
nitr != newFiles.end();
++nitr)
{
// osg::notify(osg::NOTICE)<<"Adding LoadAndCompileOperation "<<*nitr<<std::endl;
osg::ref_ptr<LoadAndCompileOperation> loadAndCompile = new LoadAndCompileOperation( *nitr, _incrementalCompileOperation.get(), _endOfLoadBlock.get() );
loadAndCompileList.push_back(loadAndCompile);
_operationQueue->add( loadAndCompile.get() );
}
#if 1
osg::ref_ptr<osg::Operation> operation;
while ((operation=_operationQueue->getNextOperation()).valid())
{
// osg::notify(osg::NOTICE)<<"Local running of operation"<<std::endl;
(*operation)(0);
}
#endif
// osg::notify(osg::NOTICE)<<"Waiting for completion of LoadAndCompile operations"<<std::endl;
_endOfLoadBlock->block();
// osg::notify(osg::NOTICE)<<"done ... Waiting for completion of LoadAndCompile operations"<<std::endl;
for(LoadAndCompileList::iterator litr = loadAndCompileList.begin();
litr != loadAndCompileList.end();
++litr)
{
if ((*litr)->_loadedModel.valid())
{
nodesToAdd[(*litr)->_filename] = (*litr)->_loadedModel;
}
}
}
else
{
_endOfLoadBlock = new osg::RefBlockCount(newFiles.size());
_endOfLoadBlock->reset();
for(Files::iterator nitr = newFiles.begin();
nitr != newFiles.end();
++nitr)
{
osg::ref_ptr<osg::Node> loadedModel = osgDB::readRefNodeFile(*nitr);
if (loadedModel.get())
{
nodesToAdd[*nitr] = loadedModel;
if (_incrementalCompileOperation.valid())
{
osg::ref_ptr<osgUtil::IncrementalCompileOperation::CompileSet> compileSet =
new osgUtil::IncrementalCompileOperation::CompileSet(loadedModel.get());
compileSet->_compileCompletedCallback = new ReleaseBlockOnCompileCompleted(_endOfLoadBlock.get());
_incrementalCompileOperation->add(compileSet.get());
}
else
{
_endOfLoadBlock->completed();
}
}
else
{
_endOfLoadBlock->completed();
}
}
_endOfLoadBlock->block();
}
}
bool requiresBlock = false;
// pass the locally peppared data to MasterOperations shared data
// so that updated thread can merge these changes with the main scene
// graph. This merge is carried out via the update(..) method.
if (!removedFiles.empty() || !nodesToAdd.empty())
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
_nodesToRemove.swap(removedFiles);
_nodesToAdd.swap(nodesToAdd);
requiresBlock = true;
}
// now block so we don't try to load anything till the new data has been merged
// otherwise _existingFilenameNodeMap will get out of sync.
if (requiresBlock)
{
_updatesMergedBlock.block();
}
else
{
OpenThreads::Thread::YieldCurrentThread();
}
}