62 lines
1.1 KiB
C++
62 lines
1.1 KiB
C++
/*
|
|
* Copyright (c) 2014 by Matthias Noack, Zuse Institute Berlin
|
|
*
|
|
* Licensed under the BSD License, see LICENSE file for details.
|
|
*
|
|
*/
|
|
|
|
#ifndef PRELOAD_OPEN_FILE_TABLE_H_
|
|
#define PRELOAD_OPEN_FILE_TABLE_H_
|
|
|
|
#include <map>
|
|
#include <pthread.h>
|
|
#include <cstdio>
|
|
#include <stdint.h>
|
|
|
|
#include <boost/thread/mutex.hpp>
|
|
#include "libxtreemfs/file_handle.h"
|
|
|
|
namespace xtreemfs {
|
|
class Client;
|
|
class VolumeHandle;
|
|
}
|
|
|
|
class OpenFile {
|
|
public:
|
|
OpenFile(xtreemfs::FileHandle* fh);
|
|
|
|
void Initialise();
|
|
void Deinitialise();
|
|
int GetFileDescriptor();
|
|
|
|
xtreemfs::FileHandle* fh_;
|
|
uint64_t offset_;
|
|
|
|
private:
|
|
FILE * tmp_file_;
|
|
int tmp_file_fd_;
|
|
};
|
|
|
|
class OpenFileTable {
|
|
public:
|
|
OpenFileTable();
|
|
~OpenFileTable();
|
|
|
|
int Register(xtreemfs::FileHandle* handle);
|
|
void Unregister(int fd);
|
|
OpenFile Get(int fd);
|
|
int Set(int fd, xtreemfs::FileHandle* handle);
|
|
void SetOffset(int fd, uint64_t offset);
|
|
bool Has(int fd);
|
|
|
|
private:
|
|
boost::mutex mutex_;
|
|
typedef std::map<int, OpenFile> FileTable;
|
|
FileTable open_files_;// GUARDED_BY(mutex_);
|
|
FILE * tmp_file_;
|
|
int tmp_file_fd_;
|
|
int next_fd_;
|
|
};
|
|
|
|
#endif // PRELOAD_OPEN_FILE_TABLE_H_
|