1 files changed, 65 insertions, 0 deletions
diff --git a/storage.h b/storage.h
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--- /dev/null
+++ b/storage.h
@@ -0,0 +1,65 @@
+/*************************************************************** -*- c++ -*-
+ *       Copyright (c) 2003,2004 by Marcel Wiesweg                         *
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef __STORAGE_H
+#define __STORAGE_H
+
+#include "rootdir.h"
+#include "pageid.h"
+
+#define TELETEXT_PAGESIZE 972
+
+struct StorageHandle {
+public:
+   StorageHandle() { handle=-1; }
+   StorageHandle(const StorageHandle &s) { handle=s.handle; }
+   StorageHandle(int h) { handle=h; }
+   StorageHandle &operator=(int h) { handle=h; return *this; }
+   StorageHandle &operator=(const StorageHandle &s) { handle=s.handle; return *this; }
+   operator bool() const { return handle!=-1; }
+   operator int() const { return handle; }
+private:
+   int handle;
+};
+
+enum StorageSystem { StorageSystemLegacy, StorageSystemPacked };
+
+class Storage : public RootDir {
+public:
+   virtual ~Storage();
+   enum StorageSystem { StorageSystemLegacy, StorageSystemPacked };
+   //must be called before the first call to instance()
+
+   //must be called before operation starts. Set all options (RootDir, maxStorage) before.
+   virtual void cleanUp() = 0;
+
+   virtual void getFilename(char *buffer, int bufLength, PageID page);
+   virtual void prepareDirectory(tChannelID chan);
+
+   virtual StorageHandle openForWriting(PageID page) = 0;
+   virtual StorageHandle openForReading(PageID page, bool countAsAccess) = 0;
+   virtual ssize_t write(const void *ptr, size_t size, StorageHandle stream) = 0;
+   virtual ssize_t read(void *ptr, size_t size, StorageHandle stream) = 0;
+   virtual void close(StorageHandle stream) = 0;
+protected:
+   Storage();
+   int cleanSubDir(const char *dir);
+   int doCleanUp();
+   virtual int actualFileSize(int netFileSize) { return netFileSize; }
+   void freeSpace();
+   bool exists(const char* file);
+
+   long byteCount;
+   cString currentDir;
+private:
+   bool failedFreeSpace;
+};
+
+#endif