Added another tool used in dak (and placed nowhere else), dsync

[dak.git] / tools / dsync-0.0 / libdsync / filelistdb.h

diff --git a/tools/dsync-0.0/libdsync/filelistdb.h b/tools/dsync-0.0/libdsync/filelistdb.h
new file mode 100644 (file)
index 0000000..9594257
--- /dev/null
+++ b/tools/dsync-0.0/libdsync/filelistdb.h
@@ -0,0 +1,63 @@
+// -*- mode: cpp; mode: fold -*-
+// Description                                                         /*{{{*/
+// $Id: filelistdb.h,v 1.2 1999/01/10 07:34:05 jgg Exp $
+/* ######################################################################
+   
+   File List DB
+   
+   This scans a file list and generates a searchable list of all 
+   directories in the list. It can then do a lookup of a given file,
+   directory pair.
+   
+   The memory mapped IO class is recommended for use with the DB class 
+   for speed.
+   
+   ##################################################################### */
+                                                                       /*}}}*/
+#ifndef DSYNC_FILELISTDB
+#define DSYNC_FILELISTDB
+
+#ifdef __GNUG__
+#pragma interface "dsync/filelistdb.h"
+#endif 
+
+#include <dsync/filelist.h>
+#include <dsync/mmap.h>
+#include <map>
+
+class dsFileListDB
+{
+   struct Location
+   {
+      unsigned long Offset;
+      string LastSymlink;
+   };
+   
+   dsFList::IO *IO;
+   map<string,Location> Map;
+   string LastDir;
+   public:
+
+   bool Generate(dsFList::IO &IO);
+   bool Lookup(dsFList::IO &IO,const char *Dir,const char *File,dsFList &List);
+   
+   dsFileListDB();
+};
+
+class dsMMapIO : public dsFList::IO
+{
+   FileFd Fd;
+   MMap Map;
+   unsigned long Pos;
+   
+   public:
+   
+   virtual bool Read(void *Buf,unsigned long Len);
+   virtual bool Write(const void *Buf,unsigned long Len);
+   virtual bool Seek(unsigned long Bytes);
+   virtual unsigned long Tell();
+   
+   dsMMapIO(string File);
+};
+
+#endif