1 3d77c87e 2004-03-15 devnull typedef struct VacFs VacFs;
2 7763a61a 2003-11-23 devnull typedef struct VacDir VacDir;
3 7763a61a 2003-11-23 devnull typedef struct VacFile VacFile;
4 7763a61a 2003-11-23 devnull typedef struct VacDirEnum VacDirEnum;
7 7763a61a 2003-11-23 devnull * Mode bits
11 7763a61a 2003-11-23 devnull ModeOtherExec = (1<<0),
12 7763a61a 2003-11-23 devnull ModeOtherWrite = (1<<1),
13 7763a61a 2003-11-23 devnull ModeOtherRead = (1<<2),
14 7763a61a 2003-11-23 devnull ModeGroupExec = (1<<3),
15 7763a61a 2003-11-23 devnull ModeGroupWrite = (1<<4),
16 7763a61a 2003-11-23 devnull ModeGroupRead = (1<<5),
17 7763a61a 2003-11-23 devnull ModeOwnerExec = (1<<6),
18 7763a61a 2003-11-23 devnull ModeOwnerWrite = (1<<7),
19 7763a61a 2003-11-23 devnull ModeOwnerRead = (1<<8),
20 7763a61a 2003-11-23 devnull ModeSticky = (1<<9),
21 7763a61a 2003-11-23 devnull ModeSetUid = (1<<10),
22 7763a61a 2003-11-23 devnull ModeSetGid = (1<<11),
23 7763a61a 2003-11-23 devnull ModeAppend = (1<<12), /* append only file */
24 7763a61a 2003-11-23 devnull ModeExclusive = (1<<13), /* lock file - plan 9 */
25 7763a61a 2003-11-23 devnull ModeLink = (1<<14), /* sym link */
26 7763a61a 2003-11-23 devnull ModeDir = (1<<15), /* duplicate of DirEntry */
27 7763a61a 2003-11-23 devnull ModeHidden = (1<<16), /* MS-DOS */
28 7763a61a 2003-11-23 devnull ModeSystem = (1<<17), /* MS-DOS */
29 7763a61a 2003-11-23 devnull ModeArchive = (1<<18), /* MS-DOS */
30 7763a61a 2003-11-23 devnull ModeTemporary = (1<<19), /* MS-DOS */
31 7763a61a 2003-11-23 devnull ModeSnapshot = (1<<20), /* read only snapshot */
36 7763a61a 2003-11-23 devnull MetaMagic = 0x5656fc79,
37 7763a61a 2003-11-23 devnull MetaHeaderSize = 12,
38 7763a61a 2003-11-23 devnull MetaIndexSize = 4,
39 7763a61a 2003-11-23 devnull IndexEntrySize = 8,
40 7763a61a 2003-11-23 devnull DirMagic = 0x1c4d9072,
45 7763a61a 2003-11-23 devnull DirPlan9Entry = 1, /* not valid in version >= 9 */
46 7763a61a 2003-11-23 devnull DirNTEntry, /* not valid in version >= 9 */
47 7763a61a 2003-11-23 devnull DirQidSpaceEntry,
48 7763a61a 2003-11-23 devnull DirGenEntry, /* not valid in version >= 9 */
51 3d77c87e 2004-03-15 devnull struct VacDir
53 7763a61a 2003-11-23 devnull char *elem; /* path element */
54 7763a61a 2003-11-23 devnull ulong entry; /* entry in directory for data */
55 7763a61a 2003-11-23 devnull ulong gen; /* generation of data entry */
56 7763a61a 2003-11-23 devnull ulong mentry; /* entry in directory for meta */
57 7763a61a 2003-11-23 devnull ulong mgen; /* generation of meta entry */
58 7763a61a 2003-11-23 devnull uvlong size; /* size of file */
59 7763a61a 2003-11-23 devnull uvlong qid; /* unique file id */
61 7763a61a 2003-11-23 devnull char *uid; /* owner id */
62 7763a61a 2003-11-23 devnull char *gid; /* group id */
63 7763a61a 2003-11-23 devnull char *mid; /* last modified by */
64 7763a61a 2003-11-23 devnull ulong mtime; /* last modified time */
65 7763a61a 2003-11-23 devnull ulong mcount; /* number of modifications: can wrap! */
66 7763a61a 2003-11-23 devnull ulong ctime; /* directory entry last changed */
67 7763a61a 2003-11-23 devnull ulong atime; /* last time accessed */
68 7763a61a 2003-11-23 devnull ulong mode; /* various mode bits */
70 7763a61a 2003-11-23 devnull /* plan 9 */
71 7763a61a 2003-11-23 devnull int plan9;
72 7763a61a 2003-11-23 devnull uvlong p9path;
73 7763a61a 2003-11-23 devnull ulong p9version;
75 7763a61a 2003-11-23 devnull /* sub space of qid */
76 3d77c87e 2004-03-15 devnull int qidspace;
77 3d77c87e 2004-03-15 devnull uvlong qidoffset; /* qid offset */
78 3d77c87e 2004-03-15 devnull uvlong qidmax; /* qid maximum */
82 3d77c87e 2004-03-15 devnull struct VacFs
85 3d77c87e 2004-03-15 devnull uchar score[VtScoreSize];
86 3d77c87e 2004-03-15 devnull VacFile *root;
87 3d77c87e 2004-03-15 devnull VtConn *z;
88 3d77c87e 2004-03-15 devnull int mode;
89 3d77c87e 2004-03-15 devnull int bsize;
90 3d77c87e 2004-03-15 devnull uvlong qid;
91 3d77c87e 2004-03-15 devnull VtCache *cache;
94 3d77c87e 2004-03-15 devnull VacFs *vacfsopen(VtConn *z, char *file, int mode, int ncache);
95 3d77c87e 2004-03-15 devnull VacFs *vacfsopenscore(VtConn *z, u8int *score, int mode, int ncache);
96 3d77c87e 2004-03-15 devnull VacFs *vacfscreate(VtConn *z, int bsize, int ncache);
97 3d77c87e 2004-03-15 devnull void vacfsclose(VacFs *fs);
98 3d77c87e 2004-03-15 devnull int vacfssync(VacFs *fs);
99 3d77c87e 2004-03-15 devnull int vacfssnapshot(VacFs *fs, char *src, char *dst);
100 3d77c87e 2004-03-15 devnull int vacfsgetscore(VacFs *fs, u8int *score);
103 7763a61a 2003-11-23 devnull * other ideas
105 3d77c87e 2004-03-15 devnull * VacFs *vfsSnapshot(VacFs*, char *src);
106 3d77c87e 2004-03-15 devnull * int vfsGraft(VacFs*, char *name, VacFs*);
109 a20a1468 2005-01-16 devnull VacFile *vacfsgetroot(VacFs *fs);
110 3d77c87e 2004-03-15 devnull VacFile *vacfileopen(VacFs *fs, char *path);
111 3d77c87e 2004-03-15 devnull VacFile *vacfilecreate(VacFile *file, char *elem, ulong perm, char *muid);
112 3d77c87e 2004-03-15 devnull VacFile *vacfilewalk(VacFile *file, char *elem);
113 3d77c87e 2004-03-15 devnull int vacfileremove(VacFile *file, char *muid);
114 3d77c87e 2004-03-15 devnull int vacfileread(VacFile *file, void *buf, int n, vlong offset);
115 3d77c87e 2004-03-15 devnull int vacfileblockscore(VacFile *file, u32int, u8int*);
116 3d77c87e 2004-03-15 devnull int vacfilewrite(VacFile *file, void *buf, int n, vlong offset, char *muid);
117 3d77c87e 2004-03-15 devnull int vacfilereadpacket(VacFile *file, Packet **pp, vlong offset);
118 3d77c87e 2004-03-15 devnull int vacfilewritepacket(VacFile *file, Packet *p, vlong offset, char *muid);
119 3d77c87e 2004-03-15 devnull uvlong vacfilegetid(VacFile *file);
120 3d77c87e 2004-03-15 devnull ulong vacfilegetmcount(VacFile *file);
121 3d77c87e 2004-03-15 devnull int vacfileisdir(VacFile *file);
122 3d77c87e 2004-03-15 devnull int vacfileisroot(VacFile *file);
123 3d77c87e 2004-03-15 devnull int vacfilegetblocksize(VacFile *file, u32int bn, u8int *score);
124 3d77c87e 2004-03-15 devnull int vacfilegetsize(VacFile *file, uvlong *size);
125 3d77c87e 2004-03-15 devnull int vacfilegetdir(VacFile *file, VacDir *dir);
126 3d77c87e 2004-03-15 devnull int vacfilesetdir(VacFile *file, VacDir *dir, char *muid);
127 3d77c87e 2004-03-15 devnull int vacfilegetvtentry(VacFile *file, VtEntry *entry);
128 3d77c87e 2004-03-15 devnull VacFile *vacfilegetparent(VacFile *file);
129 3d77c87e 2004-03-15 devnull int vacfilesync(VacFile*);
130 3d77c87e 2004-03-15 devnull VacFile *vacfileincref(VacFile*);
131 3d77c87e 2004-03-15 devnull int vacfiledecref(VacFile*);
133 3d77c87e 2004-03-15 devnull void vdcleanup(VacDir *dir);
134 3d77c87e 2004-03-15 devnull void vdcopy(VacDir *dst, VacDir *src);
137 3d77c87e 2004-03-15 devnull VacDirEnum *vdeopen(VacFile*);
138 3d77c87e 2004-03-15 devnull int vderead(VacDirEnum*, VacDir *);
139 3d77c87e 2004-03-15 devnull void vdeclose(VacDirEnum*);
