bool DsrcCompressorMT::Process(const InputParameters &args_)
{
IFastqStreamReader* fileReader = NULL;
DsrcFileWriter* fileWriter = NULL;
// make reusable
//
FastqDataPool* fastqPool = NULL;
FastqDataQueue* fastqQueue = NULL;
DsrcDataPool* dsrcPool = NULL;
DsrcDataQueue* dsrcQueue = NULL;
ErrorHandler* errorHandler = NULL;
//
//
FastqReader* dataReader = NULL;
DsrcWriter* dataWriter = NULL;
FastqDatasetType datasetType;
CompressionSettings compSettings = GetCompressionSettings(args_);
try
{
if (args_.useFastqStdIo)
fileReader = new FastqStdIoReader();
else
fileReader = new FastqFileReader(args_.inputFilename);
fileWriter = new DsrcFileWriter();
fileWriter->StartCompress(args_.outputFilename);
const uint32 partNum = (args_.fastqBufferSizeMB < 128) ? args_.threadNum * 4 : args_.threadNum * 2;
fastqPool = new FastqDataPool(partNum, args_.fastqBufferSizeMB << 20); // maxPart, bufferPartSize
fastqQueue = new FastqDataQueue(partNum, 1); // maxPart, threadCount
dsrcPool = new DsrcDataPool(partNum, args_.fastqBufferSizeMB << 20);
dsrcQueue = new DsrcDataQueue(partNum, args_.threadNum);
if (args_.calculateCrc32)
errorHandler = new MultithreadedErrorHandler();
else
errorHandler = new ErrorHandler();
dataReader = new FastqReader(*fileReader, *fastqQueue, *fastqPool, *errorHandler);
dataWriter = new DsrcWriter(*fileWriter, *dsrcQueue, *dsrcPool, *errorHandler);
// analyze file
//
const bool findQOffset = args_.qualityOffset == fq::FastqDatasetType::AutoQualityOffset;
if (!findQOffset)
datasetType.qualityOffset = args_.qualityOffset;
if (!dataReader->AnalyzeFirstChunk(datasetType, findQOffset))
{
throw DsrcException("Error analyzing FASTQ dataset");
}
fileWriter->SetDatasetType(datasetType);
fileWriter->SetCompressionSettings(compSettings);
}
catch (const std::runtime_error& e_)
{
AddError(e_.what());
}
if (!IsError())
{
const uint32 threadsNum = args_.threadNum;
// launch threads
//
th::thread readerThread(th::ref(*dataReader));
std::vector<DsrcCompressor*> operators;
operators.resize(threadsNum);
#ifdef USE_BOOST_THREAD
boost::thread_group opThreadGroup; // why C++11 does not have thread_group? ://
for (uint32 i = 0; i < threadsNum; ++i)
{
operators[i] = new DsrcCompressor(*fastqQueue, *fastqPool, *dsrcQueue, *dsrcPool, *errorHandler, datasetType, compSettings);
opThreadGroup.create_thread(th::ref(*operators[i]));
}
(*dataWriter)(); // main thread works as writer
readerThread.join();
opThreadGroup.join_all();
#else
std::vector<th::thread> opThreadGroup;
for (uint32 i = 0; i < threadsNum; ++i)
{
operators[i] = new DsrcCompressor(*fastqQueue, *fastqPool, *dsrcQueue, *dsrcPool, *errorHandler, datasetType, compSettings);
opThreadGroup.push_back(th::thread(th::ref(*operators[i])));
}
(*dataWriter)();
readerThread.join();
// find difference: 'for (std::vector<th::thread>::iterator i = opThreadGroup.begin(); i != opThreadGroup.end(); ++i)'
// --> 'for (auto& t : opThreadGroup)'
for (th::thread& t : opThreadGroup)
{
t.join();
}
#endif
// check for errors
//
if (errorHandler->IsError())
AddError(errorHandler->GetError());
// free resources, cleanup
//
fastqQueue->Reset();
dsrcQueue->Reset();
for (uint32 i = 0; i < threadsNum; ++i)
{
delete operators[i];
}
fileReader->Close();
fileWriter->FinishCompress();
// set log
//
fq::StreamsInfo rawSize = fileWriter->GetFastqStreamInfo();
fq::StreamsInfo compSize = fileWriter->GetDsrcStreamInfo();
std::ostringstream ss;
ss << "Compressed streams sizes (in bytes)\n";
ss << "TAG: " << std::setw(16) << compSize.sizes[fq::StreamsInfo::MetaStream] + compSize.sizes[fq::StreamsInfo::TagStream]
<< " / " << std::setw(16) << rawSize.sizes[fq::StreamsInfo::TagStream] << '\n';
ss << "DNA: " << std::setw(16) << compSize.sizes[fq::StreamsInfo::DnaStream]
<< " / " << std::setw(16) << rawSize.sizes[fq::StreamsInfo::DnaStream] << '\n';
ss << "QUA: " << std::setw(16) << compSize.sizes[fq::StreamsInfo::QualityStream]
<< " / " << std::setw(16) << rawSize.sizes[fq::StreamsInfo::QualityStream] << '\n';
AddLog(ss.str());
}
TFree(dataWriter);
TFree(dataReader);
TFree(errorHandler);
// make reusable
//
TFree(dsrcQueue);
TFree(dsrcPool);
TFree(fastqQueue);
TFree(fastqPool);
//
//
TFree(fileWriter);
TFree(fileReader);
return !IsError();
}
