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58 lines
1.5 KiB
C++
58 lines
1.5 KiB
C++
/* Copyright (C) 2019 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#pragma once
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#include <string>
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#include <boost/utility.hpp>
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#include "IDBDataFile.h"
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#include "SMComm.h"
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namespace idbdatafile
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{
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class SMDataFile : public IDBDataFile
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{
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public:
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virtual ~SMDataFile();
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ssize_t pread(void* ptr, off64_t offset, size_t count);
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ssize_t read(void* ptr, size_t count);
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ssize_t write(const void* ptr, size_t count);
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int seek(off64_t offset, int whence);
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int truncate(off64_t length);
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int fallocate(int mode, off64_t offset, off64_t length);
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off64_t size();
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off64_t tell();
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int flush();
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time_t mtime();
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int close();
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// for testing only
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SMDataFile(const char* fname, int openmode, size_t fake_size);
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private:
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SMDataFile();
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SMDataFile(const char* fname, int openmode, const struct stat&);
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off64_t position;
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int openmode;
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SMComm* comm;
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friend class SMFileFactory;
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};
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} // namespace idbdatafile
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