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+// 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: RaidFileRead.h
+// Purpose: Read Raid like Files
+// Created: 2003/07/13
+//
+// --------------------------------------------------------------------------
+
+#ifndef RAIDFILEREAD__H
+#define RAIDFILEREAD__H
+
+#include <string>
+#include <memory>
+#include <vector>
+
+#include "IOStream.h"
+
+class RaidFileDiscSet;
+
+
+// --------------------------------------------------------------------------
+//
+// Class
+// Name: RaidFileRead
+// Purpose: Read RAID like files
+// Created: 2003/07/13
+//
+// --------------------------------------------------------------------------
+class RaidFileRead : public IOStream
+{
+protected:
+ RaidFileRead(int SetNumber, const std::string &Filename);
+public:
+ virtual ~RaidFileRead();
+private:
+ RaidFileRead(const RaidFileRead &rToCopy);
+
+public:
+ // Open a raid file
+ static std::auto_ptr<RaidFileRead> Open(int SetNumber, const std::string &Filename, int64_t *pRevisionID = 0, int BufferSizeHint = 4096);
+
+ // Extra info
+ virtual pos_type GetFileSize() const = 0;
+
+ // Utility functions
+ static bool FileExists(int SetNumber, const std::string &rFilename, int64_t *pRevisionID = 0);
+ static bool DirectoryExists(const RaidFileDiscSet &rSet, const std::string &rDirName);
+ static bool DirectoryExists(int SetNumber, const std::string &rDirName);
+ enum
+ {
+ DirReadType_FilesOnly = 0,
+ DirReadType_DirsOnly = 1
+ };
+ static bool ReadDirectoryContents(int SetNumber, const std::string &rDirName, int DirReadType, std::vector<std::string> &rOutput);
+
+ // Common IOStream interface implementation
+ virtual void Write(const void *pBuffer, int NBytes);
+ virtual bool StreamClosed();
+ virtual pos_type BytesLeftToRead();
+
+ pos_type GetDiscUsageInBlocks();
+
+ typedef int64_t FileSizeType;
+
+protected:
+ int mSetNumber;
+ std::string mFilename;
+};
+
+#endif // RAIDFILEREAD__H
+