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