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XrdStorageMaker.cc

Go to the documentation of this file.

#include "Utilities/StorageFactory/interface/StorageMaker.h"
#include "Utilities/StorageFactory/interface/StorageMakerFactory.h"
#include "Utilities/XrdAdaptor/src/XrdFile.h"
#include "XrdClient/XrdClientAdmin.hh"
#include "XrdClient/XrdClientUrlSet.hh"

class XrdStorageMaker : public StorageMaker
{
public:
  virtual Storage *open (const std::string &proto,
                         const std::string &path,
                         int mode,
                         const std::string &tmpdir)
  {
    std::string fullpath(proto + ":" + path);
    return new XrdFile (fullpath, mode);
  }

  virtual bool check (const std::string &proto,
                      const std::string &path,
                      IOOffset *size = 0)
  {
    std::string fullpath(proto + ":" + path);
    XrdClientAdmin admin(fullpath.c_str());
    if (! admin.Connect())
      return false; // FIXME: Throw?

    long      id;
    long      flags;
    long      modtime;
    long long xrdsize;

    XrdOucString str(fullpath.c_str());
    XrdClientUrlSet url(str);

    if (! admin.Stat(url.GetFile().c_str(), id, xrdsize, flags, modtime))
      return false; // FIXME: Throw?

    *size = xrdsize;
    return true;
  }
};

DEFINE_EDM_PLUGIN (StorageMakerFactory, XrdStorageMaker, "root");

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