LocalStorageMaker Class Reference

Inheritance diagram for LocalStorageMaker:

Public Member Functions
bool	check (const std::string &, const std::string &path, const AuxSettings &, IOOffset *size=nullptr) const override
std::unique_ptr< Storage >	open (const std::string &proto, const std::string &path, int mode, const AuxSettings &) const override
Public Member Functions inherited from StorageMaker
virtual void	stagein (const std::string &proto, const std::string &path, const AuxSettings &aux) const
	StorageMaker ()=default
virtual	~StorageMaker ()=default

Detailed Description

Definition at line 11 of file LocalStorageMaker.cc.

Member Function Documentation

check()

bool LocalStorageMaker::check ( const std::string &  , const std::string &  path, const AuxSettings &  , IOOffset *  size = nullptr  ) const

inlineoverridevirtual

Reimplemented from StorageMaker.

Definition at line 30 of file LocalStorageMaker.cc.

                                                      {
    struct stat st;
    if (stat(path.c_str(), &st) != 0)
      return false;
 
    if (size)
      *size = st.st_size;
 
    return true;
  }

References castor_dqm_sourceclient_file_cfg::path, findQualityFiles::size, and edm_modernize_messagelogger::stat.

open()

std::unique_ptr<Storage> LocalStorageMaker::open ( const std::string &  proto, const std::string &  path, int  mode, const AuxSettings &    ) const

inlineoverridevirtual

Implements StorageMaker.

Definition at line 13 of file LocalStorageMaker.cc.

                                                                    {
    const StorageFactory *f = StorageFactory::get();
    StorageFactory::ReadHint readHint = f->readHint();
    StorageFactory::CacheHint cacheHint = f->cacheHint();
 
    if (readHint != StorageFactory::READ_HINT_UNBUFFERED || cacheHint == StorageFactory::CACHE_HINT_STORAGE)
      mode &= ~IOFlags::OpenUnbuffered;
    else
      mode |= IOFlags::OpenUnbuffered;
 
    auto file = std::make_unique<File>(path, mode);
    return f->wrapNonLocalFile(std::move(file), proto, path, mode);
  }

References StorageFactory::CACHE_HINT_STORAGE, f, FrontierConditions_GlobalTag_cff::file, StorageFactory::get(), ALCARECOPromptCalibProdSiPixelAli0T_cff::mode, eostools::move(), IOFlags::OpenUnbuffered, castor_dqm_sourceclient_file_cfg::path, and StorageFactory::READ_HINT_UNBUFFERED.