Go to the documentation of this file.00001 #ifndef DCACHE_ADAPTOR_DCACHE_FILE_H
00002 # define DCACHE_ADAPTOR_DCACHE_FILE_H
00003
00004 # include "Utilities/StorageFactory/interface/Storage.h"
00005 # include "Utilities/StorageFactory/interface/IOFlags.h"
00006 # include <string>
00007
00008 class DCacheFile : public Storage
00009 {
00010 public:
00011 DCacheFile (void);
00012 DCacheFile (IOFD fd);
00013 DCacheFile (const char *name, int flags = IOFlags::OpenRead, int perms = 0666);
00014 DCacheFile (const std::string &name, int flags = IOFlags::OpenRead, int perms = 0666);
00015 ~DCacheFile (void);
00016
00017 virtual void create (const char *name,
00018 bool exclusive = false,
00019 int perms = 0666);
00020 virtual void create (const std::string &name,
00021 bool exclusive = false,
00022 int perms = 0666);
00023 virtual void open (const char *name,
00024 int flags = IOFlags::OpenRead,
00025 int perms = 0666);
00026 virtual void open (const std::string &name,
00027 int flags = IOFlags::OpenRead,
00028 int perms = 0666);
00029
00030 using Storage::read;
00031 using Storage::write;
00032 using Storage::position;
00033
00034 virtual IOSize read (void *into, IOSize n);
00035 virtual IOSize readv (IOBuffer *into, IOSize buffers);
00036 virtual IOSize readv (IOPosBuffer *into, IOSize buffers);
00037 virtual IOSize write (const void *from, IOSize n);
00038
00039 virtual IOOffset position (IOOffset offset, Relative whence = SET);
00040 virtual void resize (IOOffset size);
00041
00042 virtual void close (void);
00043 virtual void abort (void);
00044
00045 private:
00046 IOFD m_fd;
00047 bool m_close;
00048 std::string m_name;
00049 };
00050
00051 #endif // DCACHE_ADAPTOR_DCACHE_FILE_H
1.7.3