Go to the documentation of this file.00001 #ifndef RFIO_ADAPTOR_RFIO_FILE_H
00002 #define RFIO_ADAPTOR_RFIO_FILE_H
00003
00004 # include "Utilities/StorageFactory/interface/Storage.h"
00005 # include "Utilities/StorageFactory/interface/IOFlags.h"
00006 # include <string>
00007
00009 class RFIOFile : public Storage
00010 {
00011 public:
00012 RFIOFile (void);
00013 RFIOFile (IOFD fd);
00014 RFIOFile (const char *name, int flags = IOFlags::OpenRead, int perms = 0666);
00015 RFIOFile (const std::string &name, int flags = IOFlags::OpenRead, int perms = 0666);
00016 ~RFIOFile (void);
00017
00018 virtual void create (const char *name,
00019 bool exclusive = false,
00020 int perms = 0666);
00021 virtual void create (const std::string &name,
00022 bool exclusive = false,
00023 int perms = 0666);
00024 virtual void open (const char *name,
00025 int flags = IOFlags::OpenRead,
00026 int perms = 0666);
00027 virtual void open (const std::string &name,
00028 int flags = IOFlags::OpenRead,
00029 int perms = 0666);
00030
00031 using Storage::read;
00032 using Storage::readv;
00033 using Storage::write;
00034 using Storage::position;
00035 using Storage::prefetch;
00036
00037 virtual bool prefetch (const IOPosBuffer *what, IOSize n);
00038 virtual IOSize read (void *into, IOSize n);
00039 virtual IOSize readv (IOPosBuffer *into, IOSize buffers);
00040 virtual IOSize write (const void *from, IOSize n);
00041 virtual IOOffset position (IOOffset offset, Relative whence = SET);
00042 virtual void resize (IOOffset size);
00043 virtual void close (void);
00044 virtual void abort (void);
00045
00046 private:
00047 ssize_t retryRead (void *into, IOSize n, int maxRetry = 10);
00048 void reopen();
00049
00050 IOFD m_fd;
00051 bool m_close;
00052 std::string m_name;
00053 int m_flags;
00054 int m_perms;
00055 IOOffset m_curpos;
00056 };
00057
00058 #endif // RFIO_ADAPTOR_RFIO_FILE_H
1.7.3