1 f7012583 2003-11-25 devnull #ifndef _VENTI_H_
2 f7012583 2003-11-25 devnull #define _VENTI_H_ 1
3 819822c9 2004-06-16 devnull #ifdef __cplusplus
4 f7012583 2003-11-25 devnull extern "C" {
8 1a0954ab 2005-01-04 devnull AUTOLIB(venti)
10 97a5e5f2 2003-11-23 devnull /* XXX should be own library? */
12 97a5e5f2 2003-11-23 devnull * Packets
16 cbeb0b26 2006-04-01 devnull MaxFragSize = 9*1024
19 97a5e5f2 2003-11-23 devnull typedef struct Packet Packet;
20 97a5e5f2 2003-11-23 devnull Packet *packetalloc(void);
21 97a5e5f2 2003-11-23 devnull void packetfree(Packet*);
22 97a5e5f2 2003-11-23 devnull Packet *packetforeign(uchar *buf, int n, void (*free)(void *a), void *a);
23 97a5e5f2 2003-11-23 devnull Packet *packetdup(Packet*, int offset, int n);
24 97a5e5f2 2003-11-23 devnull Packet *packetsplit(Packet*, int n);
25 97a5e5f2 2003-11-23 devnull int packetconsume(Packet*, uchar *buf, int n);
26 97a5e5f2 2003-11-23 devnull int packettrim(Packet*, int offset, int n);
27 97a5e5f2 2003-11-23 devnull uchar *packetheader(Packet*, int n);
28 97a5e5f2 2003-11-23 devnull uchar *packettrailer(Packet*, int n);
29 d23a617a 2004-03-15 devnull void packetprefix(Packet*, uchar *buf, int n);
30 d23a617a 2004-03-15 devnull void packetappend(Packet*, uchar *buf, int n);
31 d23a617a 2004-03-15 devnull void packetconcat(Packet*, Packet*);
32 97a5e5f2 2003-11-23 devnull uchar *packetpeek(Packet*, uchar *buf, int offset, int n);
33 97a5e5f2 2003-11-23 devnull int packetcopy(Packet*, uchar *buf, int offset, int n);
34 97a5e5f2 2003-11-23 devnull int packetfragments(Packet*, IOchunk*, int nio, int offset);
35 97a5e5f2 2003-11-23 devnull uint packetsize(Packet*);
36 97a5e5f2 2003-11-23 devnull uint packetasize(Packet*);
37 97a5e5f2 2003-11-23 devnull int packetcompact(Packet*);
38 97a5e5f2 2003-11-23 devnull int packetcmp(Packet*, Packet*);
39 97a5e5f2 2003-11-23 devnull void packetstats(void);
40 97a5e5f2 2003-11-23 devnull void packetsha1(Packet*, uchar sha1[20]);
42 6c0209f6 2005-02-11 devnull /* XXX should be own library? */
44 6c0209f6 2005-02-11 devnull * Logging
46 6c0209f6 2005-02-11 devnull typedef struct VtLog VtLog;
47 6c0209f6 2005-02-11 devnull typedef struct VtLogChunk VtLogChunk;
49 6c0209f6 2005-02-11 devnull struct VtLog
51 6c0209f6 2005-02-11 devnull VtLog *next; /* in hash table */
52 587f8f4d 2005-02-13 devnull char *name;
53 6c0209f6 2005-02-11 devnull VtLogChunk *chunk;
54 6c0209f6 2005-02-11 devnull uint nchunk;
55 6c0209f6 2005-02-11 devnull VtLogChunk *w;
56 6c0209f6 2005-02-11 devnull QLock lk;
60 587f8f4d 2005-02-13 devnull struct VtLogChunk
63 587f8f4d 2005-02-13 devnull char *ep;
64 587f8f4d 2005-02-13 devnull char *wp;
67 6c0209f6 2005-02-11 devnull VtLog *vtlogopen(char *name, uint size);
68 6c0209f6 2005-02-11 devnull void vtlogprint(VtLog *log, char *fmt, ...);
69 6c0209f6 2005-02-11 devnull void vtlog(char *name, char *fmt, ...);
70 587f8f4d 2005-02-13 devnull void vtlogclose(VtLog*);
71 6c0209f6 2005-02-11 devnull void vtlogremove(char *name);
72 1c485dae 2005-05-12 devnull char **vtlognames(int*);
73 587f8f4d 2005-02-13 devnull void vtlogdump(int fd, VtLog*);
75 6c0209f6 2005-02-11 devnull /* XXX begin actual venti.h */
77 97a5e5f2 2003-11-23 devnull typedef struct VtFcall VtFcall;
78 97a5e5f2 2003-11-23 devnull typedef struct VtConn VtConn;
79 97a5e5f2 2003-11-23 devnull typedef struct VtEntry VtEntry;
80 97a5e5f2 2003-11-23 devnull typedef struct VtRoot VtRoot;
83 97a5e5f2 2003-11-23 devnull * Fundamental constants.
87 97a5e5f2 2003-11-23 devnull VtScoreSize = 20,
88 97a5e5f2 2003-11-23 devnull VtMaxStringSize = 1024,
89 97a5e5f2 2003-11-23 devnull VtMaxLumpSize = 56*1024,
90 cbeb0b26 2006-04-01 devnull VtPointerDepth = 7
92 2db9e482 2003-11-24 devnull #define VtMaxFileSize ((1ULL<<48)-1)
96 97a5e5f2 2003-11-23 devnull * Strings in packets.
98 97a5e5f2 2003-11-23 devnull int vtputstring(Packet*, char*);
99 97a5e5f2 2003-11-23 devnull int vtgetstring(Packet*, char**);
102 97a5e5f2 2003-11-23 devnull * Block types.
104 97a5e5f2 2003-11-23 devnull * The initial Venti protocol had a much
105 97a5e5f2 2003-11-23 devnull * less regular list of block types.
106 97a5e5f2 2003-11-23 devnull * VtToDiskType converts from new to old.
110 97a5e5f2 2003-11-23 devnull VtDataType = 0<<3,
111 97a5e5f2 2003-11-23 devnull /* VtDataType+1, ... */
112 97a5e5f2 2003-11-23 devnull VtDirType = 1<<3,
113 97a5e5f2 2003-11-23 devnull /* VtDirType+1, ... */
114 97a5e5f2 2003-11-23 devnull VtRootType = 2<<3,
115 97a5e5f2 2003-11-23 devnull VtMaxType,
116 d3232caf 2004-06-14 devnull VtCorruptType = 0xFF,
118 97a5e5f2 2003-11-23 devnull VtTypeDepthMask = 7,
119 cbeb0b26 2006-04-01 devnull VtTypeBaseMask = ~VtTypeDepthMask
122 97a5e5f2 2003-11-23 devnull /* convert to/from on-disk type numbers */
123 97a5e5f2 2003-11-23 devnull uint vttodisktype(uint);
124 97a5e5f2 2003-11-23 devnull uint vtfromdisktype(uint);
127 97a5e5f2 2003-11-23 devnull * VtEntry describes a Venti stream
129 eacbfb24 2004-03-15 devnull * The _ enums are only used on the wire.
130 eacbfb24 2004-03-15 devnull * They are not present in the VtEntry structure
131 eacbfb24 2004-03-15 devnull * and should not be used by client programs.
132 eacbfb24 2004-03-15 devnull * (The info is in the type field.)
136 97a5e5f2 2003-11-23 devnull VtEntryActive = 1<<0, /* entry is in use */
137 d23a617a 2004-03-15 devnull _VtEntryDir = 1<<1, /* a directory */
138 d23a617a 2004-03-15 devnull _VtEntryDepthShift = 2, /* shift for pointer depth */
139 d23a617a 2004-03-15 devnull _VtEntryDepthMask = 7<<2, /* mask for pointer depth */
140 cbeb0b26 2006-04-01 devnull VtEntryLocal = 1<<5 /* for local storage only */
144 cbeb0b26 2006-04-01 devnull VtEntrySize = 40
146 97a5e5f2 2003-11-23 devnull struct VtEntry
148 97a5e5f2 2003-11-23 devnull ulong gen; /* generation number */
149 97a5e5f2 2003-11-23 devnull ushort psize; /* pointer block size */
150 97a5e5f2 2003-11-23 devnull ushort dsize; /* data block size */
151 97a5e5f2 2003-11-23 devnull uchar type;
152 97a5e5f2 2003-11-23 devnull uchar flags;
153 97a5e5f2 2003-11-23 devnull uvlong size;
154 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize];
157 97a5e5f2 2003-11-23 devnull void vtentrypack(VtEntry*, uchar*, int index);
158 97a5e5f2 2003-11-23 devnull int vtentryunpack(VtEntry*, uchar*, int index);
160 97a5e5f2 2003-11-23 devnull struct VtRoot
162 97a5e5f2 2003-11-23 devnull char name[128];
163 97a5e5f2 2003-11-23 devnull char type[128];
164 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize]; /* to a Dir block */
165 97a5e5f2 2003-11-23 devnull ushort blocksize; /* maximum block size */
166 97a5e5f2 2003-11-23 devnull uchar prev[VtScoreSize]; /* last root block */
171 97a5e5f2 2003-11-23 devnull VtRootSize = 300,
172 cbeb0b26 2006-04-01 devnull VtRootVersion = 2
175 97a5e5f2 2003-11-23 devnull void vtrootpack(VtRoot*, uchar*);
176 97a5e5f2 2003-11-23 devnull int vtrootunpack(VtRoot*, uchar*);
179 97a5e5f2 2003-11-23 devnull * score of zero length block
181 97a5e5f2 2003-11-23 devnull extern uchar vtzeroscore[VtScoreSize];
184 97a5e5f2 2003-11-23 devnull * zero extend and truncate blocks
186 97a5e5f2 2003-11-23 devnull void vtzeroextend(int type, uchar *buf, uint n, uint nn);
187 97a5e5f2 2003-11-23 devnull uint vtzerotruncate(int type, uchar *buf, uint n);
190 97a5e5f2 2003-11-23 devnull * parse score: mungs s
192 d23a617a 2004-03-15 devnull int vtparsescore(char *s, char **prefix, uchar[VtScoreSize]);
195 97a5e5f2 2003-11-23 devnull * formatting
196 97a5e5f2 2003-11-23 devnull * other than noted, these formats all ignore
197 97a5e5f2 2003-11-23 devnull * the width and precision arguments, and all flags
199 97a5e5f2 2003-11-23 devnull * V a venti score
202 97a5e5f2 2003-11-23 devnull int vtscorefmt(Fmt*);
205 97a5e5f2 2003-11-23 devnull * error-checking malloc et al.
207 97a5e5f2 2003-11-23 devnull void vtfree(void *);
208 97a5e5f2 2003-11-23 devnull void *vtmalloc(int);
209 97a5e5f2 2003-11-23 devnull void *vtmallocz(int);
210 97a5e5f2 2003-11-23 devnull void *vtrealloc(void *p, int);
211 97a5e5f2 2003-11-23 devnull void *vtbrk(int n);
212 97a5e5f2 2003-11-23 devnull char *vtstrdup(char *);
215 97a5e5f2 2003-11-23 devnull * Venti protocol
219 97a5e5f2 2003-11-23 devnull * Crypto strengths
223 97a5e5f2 2003-11-23 devnull VtCryptoStrengthNone,
224 97a5e5f2 2003-11-23 devnull VtCryptoStrengthAuth,
225 97a5e5f2 2003-11-23 devnull VtCryptoStrengthWeak,
226 cbeb0b26 2006-04-01 devnull VtCryptoStrengthStrong
230 97a5e5f2 2003-11-23 devnull * Crypto suites
234 97a5e5f2 2003-11-23 devnull VtCryptoNone,
235 97a5e5f2 2003-11-23 devnull VtCryptoSSL3,
236 97a5e5f2 2003-11-23 devnull VtCryptoTLS1,
237 cbeb0b26 2006-04-01 devnull VtCryptoMax
241 97a5e5f2 2003-11-23 devnull * Codecs
245 97a5e5f2 2003-11-23 devnull VtCodecNone,
246 97a5e5f2 2003-11-23 devnull VtCodecDeflate,
247 97a5e5f2 2003-11-23 devnull VtCodecThwack,
248 97a5e5f2 2003-11-23 devnull VtCodecMax
253 97a5e5f2 2003-11-23 devnull VtRerror = 1,
254 97a5e5f2 2003-11-23 devnull VtTping = 2,
255 97a5e5f2 2003-11-23 devnull VtRping,
256 97a5e5f2 2003-11-23 devnull VtThello = 4,
257 97a5e5f2 2003-11-23 devnull VtRhello,
258 97a5e5f2 2003-11-23 devnull VtTgoodbye = 6,
259 97a5e5f2 2003-11-23 devnull VtRgoodbye, /* not used */
260 97a5e5f2 2003-11-23 devnull VtTauth0 = 8,
261 97a5e5f2 2003-11-23 devnull VtRauth0,
262 97a5e5f2 2003-11-23 devnull VtTauth1 = 10,
263 97a5e5f2 2003-11-23 devnull VtRauth1,
264 97a5e5f2 2003-11-23 devnull VtTread = 12,
265 97a5e5f2 2003-11-23 devnull VtRread,
266 97a5e5f2 2003-11-23 devnull VtTwrite = 14,
267 97a5e5f2 2003-11-23 devnull VtRwrite,
268 97a5e5f2 2003-11-23 devnull VtTsync = 16,
269 97a5e5f2 2003-11-23 devnull VtRsync,
274 97a5e5f2 2003-11-23 devnull struct VtFcall
276 7e6f40b2 2005-07-13 devnull uchar msgtype;
277 97a5e5f2 2003-11-23 devnull uchar tag;
279 97a5e5f2 2003-11-23 devnull char *error; /* Rerror */
281 97a5e5f2 2003-11-23 devnull char *version; /* Thello */
282 97a5e5f2 2003-11-23 devnull char *uid; /* Thello */
283 97a5e5f2 2003-11-23 devnull uchar strength; /* Thello */
284 97a5e5f2 2003-11-23 devnull uchar *crypto; /* Thello */
285 97a5e5f2 2003-11-23 devnull uint ncrypto; /* Thello */
286 97a5e5f2 2003-11-23 devnull uchar *codec; /* Thello */
287 97a5e5f2 2003-11-23 devnull uint ncodec; /* Thello */
288 97a5e5f2 2003-11-23 devnull char *sid; /* Rhello */
289 97a5e5f2 2003-11-23 devnull uchar rcrypto; /* Rhello */
290 97a5e5f2 2003-11-23 devnull uchar rcodec; /* Rhello */
291 97a5e5f2 2003-11-23 devnull uchar *auth; /* TauthX, RauthX */
292 97a5e5f2 2003-11-23 devnull uint nauth; /* TauthX, RauthX */
293 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize]; /* Tread, Rwrite */
294 7e6f40b2 2005-07-13 devnull uchar blocktype; /* Tread, Twrite */
295 97a5e5f2 2003-11-23 devnull ushort count; /* Tread */
296 97a5e5f2 2003-11-23 devnull Packet *data; /* Rread, Twrite */
299 97a5e5f2 2003-11-23 devnull Packet *vtfcallpack(VtFcall*);
300 97a5e5f2 2003-11-23 devnull int vtfcallunpack(VtFcall*, Packet*);
301 97a5e5f2 2003-11-23 devnull void vtfcallclear(VtFcall*);
302 97a5e5f2 2003-11-23 devnull int vtfcallfmt(Fmt*);
306 97a5e5f2 2003-11-23 devnull VtStateAlloc,
307 97a5e5f2 2003-11-23 devnull VtStateConnected,
308 cbeb0b26 2006-04-01 devnull VtStateClosed
311 97a5e5f2 2003-11-23 devnull struct VtConn
313 97a5e5f2 2003-11-23 devnull QLock lk;
314 97a5e5f2 2003-11-23 devnull QLock inlk;
315 97a5e5f2 2003-11-23 devnull QLock outlk;
316 97a5e5f2 2003-11-23 devnull int debug;
317 97a5e5f2 2003-11-23 devnull int infd;
318 97a5e5f2 2003-11-23 devnull int outfd;
319 97a5e5f2 2003-11-23 devnull int muxer;
320 97a5e5f2 2003-11-23 devnull void *writeq;
321 97a5e5f2 2003-11-23 devnull void *readq;
322 97a5e5f2 2003-11-23 devnull int state;
323 97a5e5f2 2003-11-23 devnull void *wait[256];
324 97a5e5f2 2003-11-23 devnull uint ntag;
325 97a5e5f2 2003-11-23 devnull uint nsleep;
326 97a5e5f2 2003-11-23 devnull Packet *part;
327 97a5e5f2 2003-11-23 devnull Rendez tagrend;
328 97a5e5f2 2003-11-23 devnull Rendez rpcfork;
329 97a5e5f2 2003-11-23 devnull char *version;
330 97a5e5f2 2003-11-23 devnull char *uid;
331 97a5e5f2 2003-11-23 devnull char *sid;
332 587f8f4d 2005-02-13 devnull char addr[256]; /* address of other side */
335 97a5e5f2 2003-11-23 devnull VtConn *vtconn(int infd, int outfd);
336 97a5e5f2 2003-11-23 devnull VtConn *vtdial(char*);
337 97a5e5f2 2003-11-23 devnull void vtfreeconn(VtConn*);
338 97a5e5f2 2003-11-23 devnull int vtsend(VtConn*, Packet*);
339 97a5e5f2 2003-11-23 devnull Packet *vtrecv(VtConn*);
340 97a5e5f2 2003-11-23 devnull int vtversion(VtConn *z);
341 97a5e5f2 2003-11-23 devnull void vtdebug(VtConn *z, char*, ...);
342 97a5e5f2 2003-11-23 devnull void vthangup(VtConn *z);
343 6fc7da3c 2006-10-19 devnull int vtgoodbye(VtConn *z);
345 97a5e5f2 2003-11-23 devnull /* #pragma varargck argpos vtdebug 2 */
347 97a5e5f2 2003-11-23 devnull /* server */
348 97a5e5f2 2003-11-23 devnull typedef struct VtSrv VtSrv;
349 97a5e5f2 2003-11-23 devnull typedef struct VtReq VtReq;
350 97a5e5f2 2003-11-23 devnull struct VtReq
352 97a5e5f2 2003-11-23 devnull VtFcall tx;
353 97a5e5f2 2003-11-23 devnull VtFcall rx;
354 97a5e5f2 2003-11-23 devnull /* private */
355 97a5e5f2 2003-11-23 devnull VtSrv *srv;
356 97a5e5f2 2003-11-23 devnull void *sc;
359 97a5e5f2 2003-11-23 devnull int vtsrvhello(VtConn*);
360 97a5e5f2 2003-11-23 devnull VtSrv *vtlisten(char *addr);
361 97a5e5f2 2003-11-23 devnull VtReq *vtgetreq(VtSrv*);
362 97a5e5f2 2003-11-23 devnull void vtrespond(VtReq*);
364 97a5e5f2 2003-11-23 devnull /* client */
365 97a5e5f2 2003-11-23 devnull Packet *vtrpc(VtConn*, Packet*);
366 7252036f 2005-11-02 devnull Packet *_vtrpc(VtConn*, Packet*, VtFcall*);
367 97a5e5f2 2003-11-23 devnull void vtrecvproc(void*); /* VtConn* */
368 97a5e5f2 2003-11-23 devnull void vtsendproc(void*); /* VtConn* */
370 97a5e5f2 2003-11-23 devnull int vtconnect(VtConn*);
371 97a5e5f2 2003-11-23 devnull int vthello(VtConn*);
372 97a5e5f2 2003-11-23 devnull int vtread(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
373 97a5e5f2 2003-11-23 devnull int vtwrite(VtConn*, uchar score[VtScoreSize], uint type, uchar *buf, int n);
374 97a5e5f2 2003-11-23 devnull Packet *vtreadpacket(VtConn*, uchar score[VtScoreSize], uint type, int n);
375 97a5e5f2 2003-11-23 devnull int vtwritepacket(VtConn*, uchar score[VtScoreSize], uint type, Packet *p);
376 97a5e5f2 2003-11-23 devnull int vtsync(VtConn*);
377 97a5e5f2 2003-11-23 devnull int vtping(VtConn*);
380 97a5e5f2 2003-11-23 devnull * Data blocks and block cache.
384 cbeb0b26 2006-04-01 devnull NilBlock = ~0
387 97a5e5f2 2003-11-23 devnull typedef struct VtBlock VtBlock;
388 97a5e5f2 2003-11-23 devnull typedef struct VtCache VtCache;
390 97a5e5f2 2003-11-23 devnull struct VtBlock
392 97a5e5f2 2003-11-23 devnull VtCache *c;
393 97a5e5f2 2003-11-23 devnull QLock lk;
395 97a5e5f2 2003-11-23 devnull uchar *data;
396 97a5e5f2 2003-11-23 devnull uchar score[VtScoreSize];
397 97a5e5f2 2003-11-23 devnull uchar type; /* BtXXX */
399 97a5e5f2 2003-11-23 devnull /* internal to cache */
400 97a5e5f2 2003-11-23 devnull int nlock;
401 97a5e5f2 2003-11-23 devnull int iostate;
402 97a5e5f2 2003-11-23 devnull int ref;
403 97a5e5f2 2003-11-23 devnull u32int heap;
404 97a5e5f2 2003-11-23 devnull VtBlock *next;
405 97a5e5f2 2003-11-23 devnull VtBlock **prev;
406 97a5e5f2 2003-11-23 devnull u32int used;
407 97a5e5f2 2003-11-23 devnull u32int used2;
408 97a5e5f2 2003-11-23 devnull u32int addr;
409 6fc7da3c 2006-10-19 devnull uintptr pc;
412 97a5e5f2 2003-11-23 devnull u32int vtglobaltolocal(uchar[VtScoreSize]);
413 97a5e5f2 2003-11-23 devnull void vtlocaltoglobal(u32int, uchar[VtScoreSize]);
415 88dc23ae 2005-07-13 devnull VtCache *vtcachealloc(VtConn*, int blocksize, ulong nblocks);
416 97a5e5f2 2003-11-23 devnull void vtcachefree(VtCache*);
417 97a5e5f2 2003-11-23 devnull VtBlock *vtcachelocal(VtCache*, u32int addr, int type);
418 97a5e5f2 2003-11-23 devnull VtBlock *vtcacheglobal(VtCache*, uchar[VtScoreSize], int type);
419 97a5e5f2 2003-11-23 devnull VtBlock *vtcacheallocblock(VtCache*, int type);
420 b98ae9bf 2004-06-17 devnull void vtcachesetwrite(VtCache*, int(*)(VtConn*,uchar[VtScoreSize],uint,uchar*,int));
421 97a5e5f2 2003-11-23 devnull void vtblockput(VtBlock*);
422 97a5e5f2 2003-11-23 devnull u32int vtcacheblocksize(VtCache*);
423 97a5e5f2 2003-11-23 devnull int vtblockwrite(VtBlock*);
424 97a5e5f2 2003-11-23 devnull VtBlock *vtblockcopy(VtBlock*);
425 97a5e5f2 2003-11-23 devnull void vtblockduplock(VtBlock*);
427 7252036f 2005-11-02 devnull extern int vtcachencopy, vtcachenread, vtcachenwrite;
428 11b0772a 2006-05-05 devnull extern int vttracelevel;
431 97a5e5f2 2003-11-23 devnull * Hash tree file tree.
433 97a5e5f2 2003-11-23 devnull typedef struct VtFile VtFile;
434 d23a617a 2004-03-15 devnull struct VtFile
436 d23a617a 2004-03-15 devnull QLock lk;
437 d23a617a 2004-03-15 devnull int ref;
438 d23a617a 2004-03-15 devnull int local;
439 d23a617a 2004-03-15 devnull VtBlock *b; /* block containing this file */
440 d23a617a 2004-03-15 devnull uchar score[VtScoreSize]; /* score of block containing this file */
442 d23a617a 2004-03-15 devnull /* immutable */
443 d23a617a 2004-03-15 devnull VtCache *c;
444 d23a617a 2004-03-15 devnull int mode;
445 d23a617a 2004-03-15 devnull u32int gen;
446 d23a617a 2004-03-15 devnull int dsize;
447 2e3b8096 2005-07-13 devnull int psize;
448 d23a617a 2004-03-15 devnull int dir;
449 d23a617a 2004-03-15 devnull VtFile *parent;
450 d23a617a 2004-03-15 devnull int epb; /* entries per block in parent */
451 d23a617a 2004-03-15 devnull u32int offset; /* entry offset in parent */
456 97a5e5f2 2003-11-23 devnull VtOREAD,
457 97a5e5f2 2003-11-23 devnull VtOWRITE,
461 97a5e5f2 2003-11-23 devnull VtFile *vtfileopenroot(VtCache*, VtEntry*);
462 97a5e5f2 2003-11-23 devnull VtFile *vtfilecreateroot(VtCache*, int psize, int dsize, int type);
463 97a5e5f2 2003-11-23 devnull VtFile *vtfileopen(VtFile*, u32int, int);
464 97a5e5f2 2003-11-23 devnull VtFile *vtfilecreate(VtFile*, int psize, int dsize, int dir);
465 23fb2edb 2005-07-24 devnull VtFile *_vtfilecreate(VtFile*, int offset, int psize, int dsize, int dir);
466 97a5e5f2 2003-11-23 devnull VtBlock *vtfileblock(VtFile*, u32int, int mode);
467 97a5e5f2 2003-11-23 devnull long vtfileread(VtFile*, void*, long, vlong);
468 97a5e5f2 2003-11-23 devnull long vtfilewrite(VtFile*, void*, long, vlong);
469 97a5e5f2 2003-11-23 devnull int vtfileflush(VtFile*);
470 97a5e5f2 2003-11-23 devnull void vtfileincref(VtFile*);
471 97a5e5f2 2003-11-23 devnull void vtfileclose(VtFile*);
472 97a5e5f2 2003-11-23 devnull int vtfilegetentry(VtFile*, VtEntry*);
473 d23a617a 2004-03-15 devnull int vtfilesetentry(VtFile*, VtEntry*);
474 97a5e5f2 2003-11-23 devnull int vtfileblockscore(VtFile*, u32int, uchar[VtScoreSize]);
475 97a5e5f2 2003-11-23 devnull u32int vtfilegetdirsize(VtFile*);
476 97a5e5f2 2003-11-23 devnull int vtfilesetdirsize(VtFile*, u32int);
477 97a5e5f2 2003-11-23 devnull void vtfileunlock(VtFile*);
478 97a5e5f2 2003-11-23 devnull int vtfilelock(VtFile*, int);
479 97a5e5f2 2003-11-23 devnull int vtfilelock2(VtFile*, VtFile*, int);
480 3f6a501b 2005-12-30 devnull int vtfileflushbefore(VtFile*, u64int);
481 d23a617a 2004-03-15 devnull int vtfiletruncate(VtFile*);
482 d23a617a 2004-03-15 devnull uvlong vtfilegetsize(VtFile*);
483 3f6a501b 2005-12-30 devnull int vtfilesetsize(VtFile*, u64int);
484 d23a617a 2004-03-15 devnull int vtfileremove(VtFile*);
486 d20564a9 2006-07-18 devnull extern int vttimefmt(Fmt*);
488 a09e80f9 2004-05-23 devnull extern int chattyventi;
489 a09e80f9 2004-05-23 devnull extern int ventidoublechecksha1;
490 5810cad0 2005-02-15 devnull extern int ventilogging;
492 587f8f4d 2005-02-13 devnull extern char *VtServerLog;
494 819822c9 2004-06-16 devnull #ifdef __cplusplus
