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/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/Utilities/StorageFactory/src/StorageMaker.cc

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00001 #include "Utilities/StorageFactory/interface/StorageMaker.h"
00002 #include "Utilities/StorageFactory/interface/Storage.h"
00003 #include "Utilities/StorageFactory/interface/IOFlags.h"
00004 #include <cstdlib>
00005 
00006 StorageMaker::StorageMaker (void)
00007 {}
00008 
00009 StorageMaker::~StorageMaker (void)
00010 {}
00011 
00012 void
00013 StorageMaker::stagein (const std::string &proto,
00014                        const std::string &path)
00015 {}
00016 
00017 void
00018 StorageMaker::setTimeout (unsigned int timeout)
00019 {}
00020 
00021 bool
00022 StorageMaker::check (const std::string &proto,
00023                      const std::string &path,
00024                      IOOffset *size /* = 0 */)
00025 {
00026   // Fallback method is to open the file and check its
00027   // size.  Because grid jobs run in a directory where
00028   // there is usually more space than in /tmp, and that
00029   // directory is automatically cleaned up, open up the
00030   // temporary files in the current directory.  If the
00031   // file is downloaded, it will delete itself in the
00032   // destructor or close method.
00033   bool found = false;
00034   int mode = IOFlags::OpenRead | IOFlags::OpenUnbuffered;
00035   if (Storage *s = open (proto, path, mode))
00036   {
00037     if (size)
00038       *size = s->size ();
00039 
00040     s->close ();
00041     delete s;
00042 
00043     found = true;
00044   }
00045 
00046   return found;
00047 }