LocalStorageMaker Class Reference

Inheritance diagram for LocalStorageMaker:

Public Member Functions
virtual bool	check (const std::string &, const std::string &path, const AuxSettings &, IOOffset *size=0) const override
virtual 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

virtual bool LocalStorageMaker::check ( const std::string &  , const std::string &  path, const AuxSettings &  , IOOffset *  size = 0  ) const

inlineoverridevirtual

Reimplemented from StorageMaker.

Definition at line 33 of file LocalStorageMaker.cc.

References findQualityFiles::size.

    {
      struct stat st;
      if (stat (path.c_str(), &st) != 0)
    return false;

      if (size)
    *size = st.st_size;

      return true;
    }

virtual 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 14 of file LocalStorageMaker.cc.

References StorageFactory::CACHE_HINT_STORAGE, StorageFactory::cacheHint(), f, mergeVDriftHistosByStation::file, StorageFactory::get(), universalConfigTemplate::mode, eostools::move(), IOFlags::OpenUnbuffered, fed_dqm_sourceclient-live_cfg::path, StorageFactory::READ_HINT_UNBUFFERED, StorageFactory::readHint(), and StorageFactory::wrapNonLocalFile().

    {
      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);
    }