本文整理汇总了C++中TFile::GetSize方法的典型用法代码示例。如果您正苦于以下问题:C++ TFile::GetSize方法的具体用法?C++ TFile::GetSize怎么用?C++ TFile::GetSize使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TFile
的用法示例。
在下文中一共展示了TFile::GetSize方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: testMergedFile
int testMergedFile(const char *filename, Int_t compSetting, Long64_t fileSize)
{
TFile *file = TFile::Open(filename);
if (file == nullptr || file->IsZombie()) {
Error("testSimpleFile", "Could not open %s.",filename);
return 1;
}
file->ls();
file->cd("hist");
gDirectory->ls();
gDirectory->Get("Gaus")->Print();
file->cd("named");
gDirectory->ls();
file->Get("MyList")->Print();
if (file->GetCompressionSettings() != compSetting) {
Error("execTestMultiMerge","Compression level of %s should have been %d but is %d\n",file->GetName(), 206, file->GetCompressionSettings() );
return 3;
}
if (file->GetSize() != fileSize) {
Error("execTestMultiMerge","Disk size of %s should have been %lld but is %lld\n",file->GetName(), fileSize, file->GetSize() );
return 4;
}
delete file;
return 0;
}
示例2: testSimpleFile
int testSimpleFile(const char *filename, Long64_t entries, Int_t compSetting, Long64_t fileSize, UInt_t tolerance = 0)
{
fprintf(stdout,"Checking %s\n",filename);
TFile *file = TFile::Open(filename);
if (file == nullptr || file->IsZombie()) {
Error("testSimpleFile", "Could not open %s.",filename);
return 1;
}
//file->ls();
if (file->GetCompressionSettings() != compSetting) {
Error("testSimpleFile","Compression level of %s should have been %d but is %d\n",file->GetName(), 206, file->GetCompressionSettings() );
return 3;
}
if (abs(file->GetSize()-fileSize) > tolerance) {
Error("testSimpleFile","Disk size of %s should have been %lld but is %lld (tolerance %u bytes)\n",file->GetName(), fileSize, file->GetSize(), tolerance);
return 4;
}
TTree *ntuple;
file->GetObject("ntuple",ntuple);
if (ntuple == 0) {
Error("testSimpleFile", "Could not retrieve ntuple from %s.",file->GetName());
return 2;
}
if (ntuple->GetEntries() != entries) {
Error("testSimpleFile","Number of entries in ntuple in %s should have been %lld but is %lld\n",file->GetName(), entries, ntuple->GetEntries());
return 4;
}
delete file;
return 0;
}
示例3: main
//.........这里部分代码省略.........
if (!json) {
std::cout << pfn << " appears not to have been closed correctly and has been autorecovered \n";
std::cout << "Proceeding anyway\n";
}
} else {
std::cout << pfn << " appears not to have been closed correctly and has been autorecovered \n";
std::cout << "Stopping. Use --allowRecovery to try ignoring this\n";
return 1;
}
} else {
if (verbose) std::cout << "ECU:: Collection not autorecovered. Continuing\n";
}
// Ok. Do we have the expected trees?
for (unsigned int i = 0; i < expectedTrees.size(); ++i) {
TTree *t = (TTree*) tfile->Get(expectedTrees[i].c_str());
if (t == 0) {
std::cout << "Tree " << expectedTrees[i] << " appears to be missing. Not a valid collection\n";
std::cout << "Exiting\n";
return 1;
} else {
if (verbose) std::cout << "ECU:: Found Tree " << expectedTrees[i] << std::endl;
}
}
if (verbose) std::cout << "ECU:: Found all expected trees\n";
std::ostringstream auout;
if (adler32) {
unsigned int const EDMFILEUTILADLERBUFSIZE = 10*1024*1024; // 10MB buffer
char buffer[EDMFILEUTILADLERBUFSIZE];
size_t bufToRead = EDMFILEUTILADLERBUFSIZE;
uint32_t a = 1, b = 0;
size_t fileSize = tfile->GetSize();
tfile->Seek(0, TFile::kBeg);
for (size_t offset = 0; offset < fileSize;
offset += EDMFILEUTILADLERBUFSIZE) {
// true on last loop
if (fileSize - offset < EDMFILEUTILADLERBUFSIZE)
bufToRead = fileSize - offset;
tfile->ReadBuffer((char*)buffer, bufToRead);
cms::Adler32(buffer, bufToRead, a, b);
}
uint32_t adler32sum = (b << 16) | a;
if (json) {
auout << ",\"adler32sum\":" << adler32sum;
} else {
auout << ", " << std::hex << adler32sum << " adler32sum";
}
}
if (uuid) {
TTree *paramsTree = (TTree*)tfile->Get(edm::poolNames::metaDataTreeName().c_str());
if (json) {
auout << ",\"uuid\":\"" << edm::getUuid(paramsTree) << '"';
} else {
auout << ", " << edm::getUuid(paramsTree) << " uuid";
}
}
// Ok. How many events?
int nruns = edm::numEntries(tfile, edm::poolNames::runTreeName());
int nlumis = edm::numEntries(tfile, edm::poolNames::luminosityBlockTreeName());
int nevents = edm::numEntries(tfile, edm::poolNames::eventTreeName());
if (json) {