diff options
author | Reinhard Tartler <siretart@tauware.de> | 2007-02-14 09:01:45 +0100 |
---|---|---|
committer | Reinhard Tartler <siretart@tauware.de> | 2007-02-14 09:01:45 +0100 |
commit | aa2943800f9c00823720af98da036813ebf5cd2c (patch) | |
tree | 099cc0264d32a36ab89aa3f48cbf34612c3cd225 /lib/raidfile/RaidFileWrite.h |
initial commit
Diffstat (limited to 'lib/raidfile/RaidFileWrite.h')
-rw-r--r-- | lib/raidfile/RaidFileWrite.h | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/lib/raidfile/RaidFileWrite.h b/lib/raidfile/RaidFileWrite.h new file mode 100644 index 00000000..89e31dc2 --- /dev/null +++ b/lib/raidfile/RaidFileWrite.h @@ -0,0 +1,104 @@ +// distribution boxbackup-0.10 (svn version: 494) +// +// Copyright (c) 2003 - 2006 +// Ben Summers and contributors. All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// 3. All use of this software and associated advertising materials must +// display the following acknowledgment: +// This product includes software developed by Ben Summers. +// 4. The names of the Authors may not be used to endorse or promote +// products derived from this software without specific prior written +// permission. +// +// [Where legally impermissible the Authors do not disclaim liability for +// direct physical injury or death caused solely by defects in the software +// unless it is modified by a third party.] +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR +// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, +// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// +// +// +// -------------------------------------------------------------------------- +// +// File +// Name: RaidFileWrite.h +// Purpose: Writing RAID like files +// Created: 2003/07/10 +// +// -------------------------------------------------------------------------- + +#ifndef RAIDFILEWRITE__H +#define RAIDFILEWRITE__H + +#include <string> + +#include "IOStream.h" + +class RaidFileDiscSet; + +// -------------------------------------------------------------------------- +// +// Class +// Name: RaidFileWrite +// Purpose: Writing RAID like files +// Created: 2003/07/10 +// +// -------------------------------------------------------------------------- +class RaidFileWrite : public IOStream +{ +public: + RaidFileWrite(int SetNumber, const std::string &Filename); + ~RaidFileWrite(); +private: + RaidFileWrite(const RaidFileWrite &rToCopy); + +public: + // IOStream interface + virtual int Read(void *pBuffer, int NBytes, int Timeout = IOStream::TimeOutInfinite); // will exception + virtual void Write(const void *pBuffer, int NBytes); + virtual pos_type GetPosition() const; + virtual void Seek(pos_type Offset, int SeekType); + virtual void Close(); // will discard the file! Use commit instead. + virtual bool StreamDataLeft(); + virtual bool StreamClosed(); + + // Extra bits + void Open(bool AllowOverwrite = false); + void Commit(bool ConvertToRaidNow = false); + void Discard(); + void TransformToRaidStorage(); + void Delete(); + pos_type GetFileSize(); + pos_type GetDiscUsageInBlocks(); + + static void CreateDirectory(int SetNumber, const std::string &rDirName, bool Recursive = false, int mode = 0777); + static void CreateDirectory(const RaidFileDiscSet &rSet, const std::string &rDirName, bool Recursive = false, int mode = 0777); + +private: + +private: + int mSetNumber; + std::string mFilename; + int mOSFileHandle; +}; + +#endif // RAIDFILEWRITE__H + |