funfs/funfscim.h

   1 #ifndef __FUNFSCIM_H
   2 #define __FUNFSCIM_H
   3
   4 #include "funfscommon.h"
   5
   6 #include <wvfam.h>
   7 #include <wvscatterhash.h>
   8
   9 #define UTD_READ    (1 << 0)
  10 #define UTD_ATTR    (1 << 1)
  11 #define UTD_LINK    (1 << 2)
  12 #define UTD_LIST    (1 << 3)
  13
  14 #define FILEMASK    (UTD_READ & UTD_ATTR & UTD_LINK)
  15 #define DIRMASK     (UTD_LIST)
  16
  17 class CacheInfo
  18 {
  19     friend class CacheInfoMgr;
  20 public:
  21     CacheInfo(CacheInfoMgr *_cim, WvStringParm _path, bool _root = false);
  22     ~CacheInfo();
  23
  24     void mark_uptodate(uint8 _uptodate);
  25     bool is_uptodate(uint8 _uptodate);
  26     void invalidate(bool thisfile);
  27
  28     void add_child();
  29     void remove_child();
  30
  31     WvString path;
  32
  33 private:
  34     bool root;
  35
  36     uint8 uptodate;
  37     uint32 famid;
  38     uint32 child_count;
  39
  40     CacheInfoMgr *cim;
  41 };
  42
  43 DeclareWvScatterDict2(FI_by_path, CacheInfo, WvString, path);
  44
  45 class CacheInfoMgr
  46 {
  47     friend class CacheInfo;
  48 public:
  49     CacheInfoMgr();
  50     virtual ~CacheInfoMgr() {};
  51
  52     void cim_mark_uptodate(WvStringParm file, JobType jobtype);
  53     void cim_do_open(WvStringParm file, int fd);
  54     void cim_do_close(int fd);
  55
  56 protected:
  57     CacheInfo *get_fileinfo(WvStringParm path);
  58
  59     virtual void file_changed(WvStringParm path) = 0;
  60     virtual void file_deleted(WvStringParm path) = 0;
  61     virtual void file_created(WvStringParm path) = 0;
  62
  63     void fam_callback(WvStringParm file, WvFamEvent event, bool fromdir);
  64
  65     WvFamBase fam;
  66
  67     FI_by_path fi_by_path;
  68     WvMap<int, WvString> fdmap;
  69 };
  70
  71
  72 #endif //__FUNFSCIM_H