1 |
#include "EXTERN.h" |
2 |
#include "perl.h" |
3 |
#include "XSUB.h" |
4 |
|
5 |
#include <fuse/fuse.h> |
6 |
|
7 |
#undef DEBUGf |
8 |
#if 0 |
9 |
#define DEBUGf(f, a...) fprintf(stderr, "%s:%d (%i): " f,__BASE_FILE__,__LINE__,PL_stack_sp-PL_stack_base ,##a ) |
10 |
#else |
11 |
#define DEBUGf(a...) |
12 |
#endif |
13 |
|
14 |
#define N_CALLBACKS 25 |
15 |
SV *_PLfuse_callbacks[N_CALLBACKS]; |
16 |
|
17 |
int _PLfuse_getattr(const char *file, struct stat *result) { |
18 |
dSP; |
19 |
int rv, statcount; |
20 |
ENTER; |
21 |
SAVETMPS; |
22 |
PUSHMARK(SP); |
23 |
XPUSHs(sv_2mortal(newSVpv(file,strlen(file)))); |
24 |
PUTBACK; |
25 |
rv = call_sv(_PLfuse_callbacks[0],G_ARRAY); |
26 |
SPAGAIN; |
27 |
if(rv != 13) { |
28 |
if(rv > 1) { |
29 |
fprintf(stderr,"inappropriate number of returned values from getattr\n"); |
30 |
rv = -ENOSYS; |
31 |
} else if(rv) |
32 |
rv = POPi; |
33 |
else |
34 |
rv = -ENOENT; |
35 |
} else { |
36 |
result->st_blocks = POPi; |
37 |
result->st_blksize = POPi; |
38 |
result->st_ctime = POPi; |
39 |
result->st_mtime = POPi; |
40 |
result->st_atime = POPi; |
41 |
result->st_size = POPi; |
42 |
result->st_rdev = POPi; |
43 |
result->st_gid = POPi; |
44 |
result->st_uid = POPi; |
45 |
result->st_nlink = POPi; |
46 |
result->st_mode = POPi; |
47 |
/*result->st_ino =*/ POPi; |
48 |
result->st_dev = POPi; |
49 |
rv = 0; |
50 |
} |
51 |
FREETMPS; |
52 |
LEAVE; |
53 |
PUTBACK; |
54 |
return rv; |
55 |
} |
56 |
|
57 |
int _PLfuse_readlink(const char *file,char *buf,size_t buflen) { |
58 |
int rv; |
59 |
char *rvstr; |
60 |
dSP; |
61 |
I32 ax; |
62 |
if(buflen < 1) |
63 |
return EINVAL; |
64 |
ENTER; |
65 |
SAVETMPS; |
66 |
PUSHMARK(SP); |
67 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
68 |
PUTBACK; |
69 |
rv = call_sv(_PLfuse_callbacks[1],G_SCALAR); |
70 |
SPAGAIN; |
71 |
if(!rv) |
72 |
rv = -ENOENT; |
73 |
else { |
74 |
SV *mysv = POPs; |
75 |
if(SvTYPE(mysv) == SVt_IV || SvTYPE(mysv) == SVt_NV) |
76 |
rv = SvIV(mysv); |
77 |
else { |
78 |
strncpy(buf,SvPV_nolen(mysv),buflen); |
79 |
rv = 0; |
80 |
} |
81 |
} |
82 |
FREETMPS; |
83 |
LEAVE; |
84 |
buf[buflen-1] = 0; |
85 |
PUTBACK; |
86 |
return rv; |
87 |
} |
88 |
|
89 |
int _PLfuse_getdir(const char *file, fuse_dirh_t dirh, fuse_dirfil_t dirfil) { |
90 |
int prv, rv; |
91 |
dSP; |
92 |
ENTER; |
93 |
SAVETMPS; |
94 |
PUSHMARK(SP); |
95 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
96 |
PUTBACK; |
97 |
prv = call_sv(_PLfuse_callbacks[2],G_ARRAY); |
98 |
SPAGAIN; |
99 |
if(prv) { |
100 |
rv = POPi; |
101 |
while(--prv) |
102 |
dirfil(dirh,POPp,0); |
103 |
} else { |
104 |
fprintf(stderr,"getdir() handler returned nothing!\n"); |
105 |
rv = -ENOSYS; |
106 |
} |
107 |
FREETMPS; |
108 |
LEAVE; |
109 |
PUTBACK; |
110 |
return rv; |
111 |
} |
112 |
|
113 |
int _PLfuse_mknod (const char *file, mode_t mode, dev_t dev) { |
114 |
int rv; |
115 |
SV *rvsv; |
116 |
char *rvstr; |
117 |
dSP; |
118 |
ENTER; |
119 |
SAVETMPS; |
120 |
PUSHMARK(SP); |
121 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
122 |
XPUSHs(sv_2mortal(newSViv(mode))); |
123 |
XPUSHs(sv_2mortal(newSViv(dev))); |
124 |
PUTBACK; |
125 |
rv = call_sv(_PLfuse_callbacks[3],G_SCALAR); |
126 |
SPAGAIN; |
127 |
if(rv) |
128 |
rv = POPi; |
129 |
else |
130 |
rv = 0; |
131 |
FREETMPS; |
132 |
LEAVE; |
133 |
PUTBACK; |
134 |
return rv; |
135 |
} |
136 |
|
137 |
int _PLfuse_mkdir (const char *file, mode_t mode) { |
138 |
int rv; |
139 |
SV *rvsv; |
140 |
char *rvstr; |
141 |
dSP; |
142 |
DEBUGf("mkdir begin: %i\n",sp-PL_stack_base); |
143 |
ENTER; |
144 |
SAVETMPS; |
145 |
PUSHMARK(SP); |
146 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
147 |
XPUSHs(sv_2mortal(newSViv(mode))); |
148 |
PUTBACK; |
149 |
rv = call_sv(_PLfuse_callbacks[4],G_SCALAR); |
150 |
SPAGAIN; |
151 |
if(rv) |
152 |
rv = POPi; |
153 |
else |
154 |
rv = 0; |
155 |
FREETMPS; |
156 |
LEAVE; |
157 |
PUTBACK; |
158 |
DEBUGf("mkdir end: %i %i\n",sp-PL_stack_base,rv); |
159 |
return rv; |
160 |
} |
161 |
|
162 |
|
163 |
int _PLfuse_unlink (const char *file) { |
164 |
int rv; |
165 |
SV *rvsv; |
166 |
char *rvstr; |
167 |
dSP; |
168 |
DEBUGf("unlink begin: %i\n",sp-PL_stack_base); |
169 |
ENTER; |
170 |
SAVETMPS; |
171 |
PUSHMARK(SP); |
172 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
173 |
PUTBACK; |
174 |
rv = call_sv(_PLfuse_callbacks[5],G_SCALAR); |
175 |
SPAGAIN; |
176 |
if(rv) |
177 |
rv = POPi; |
178 |
else |
179 |
rv = 0; |
180 |
FREETMPS; |
181 |
LEAVE; |
182 |
PUTBACK; |
183 |
DEBUGf("unlink end: %i\n",sp-PL_stack_base); |
184 |
return rv; |
185 |
} |
186 |
|
187 |
int _PLfuse_rmdir (const char *file) { |
188 |
int rv; |
189 |
SV *rvsv; |
190 |
char *rvstr; |
191 |
dSP; |
192 |
DEBUGf("rmdir begin: %i\n",sp-PL_stack_base); |
193 |
ENTER; |
194 |
SAVETMPS; |
195 |
PUSHMARK(SP); |
196 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
197 |
PUTBACK; |
198 |
rv = call_sv(_PLfuse_callbacks[6],G_SCALAR); |
199 |
SPAGAIN; |
200 |
if(rv) |
201 |
rv = POPi; |
202 |
else |
203 |
rv = 0; |
204 |
FREETMPS; |
205 |
LEAVE; |
206 |
PUTBACK; |
207 |
DEBUGf("rmdir end: %i %i\n",sp-PL_stack_base,rv); |
208 |
return rv; |
209 |
} |
210 |
|
211 |
int _PLfuse_symlink (const char *file, const char *new) { |
212 |
int rv; |
213 |
SV *rvsv; |
214 |
char *rvstr; |
215 |
dSP; |
216 |
DEBUGf("symlink begin: %i\n",sp-PL_stack_base); |
217 |
ENTER; |
218 |
SAVETMPS; |
219 |
PUSHMARK(SP); |
220 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
221 |
XPUSHs(sv_2mortal(newSVpv(new,0))); |
222 |
PUTBACK; |
223 |
rv = call_sv(_PLfuse_callbacks[7],G_SCALAR); |
224 |
SPAGAIN; |
225 |
if(rv) |
226 |
rv = POPi; |
227 |
else |
228 |
rv = 0; |
229 |
FREETMPS; |
230 |
LEAVE; |
231 |
PUTBACK; |
232 |
DEBUGf("symlink end: %i\n",sp-PL_stack_base); |
233 |
return rv; |
234 |
} |
235 |
|
236 |
int _PLfuse_rename (const char *file, const char *new) { |
237 |
int rv; |
238 |
SV *rvsv; |
239 |
char *rvstr; |
240 |
dSP; |
241 |
DEBUGf("rename begin: %i\n",sp-PL_stack_base); |
242 |
ENTER; |
243 |
SAVETMPS; |
244 |
PUSHMARK(SP); |
245 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
246 |
XPUSHs(sv_2mortal(newSVpv(new,0))); |
247 |
PUTBACK; |
248 |
rv = call_sv(_PLfuse_callbacks[8],G_SCALAR); |
249 |
SPAGAIN; |
250 |
if(rv) |
251 |
rv = POPi; |
252 |
else |
253 |
rv = 0; |
254 |
FREETMPS; |
255 |
LEAVE; |
256 |
PUTBACK; |
257 |
DEBUGf("rename end: %i\n",sp-PL_stack_base); |
258 |
return rv; |
259 |
} |
260 |
|
261 |
int _PLfuse_link (const char *file, const char *new) { |
262 |
int rv; |
263 |
SV *rvsv; |
264 |
char *rvstr; |
265 |
dSP; |
266 |
DEBUGf("link begin: %i\n",sp-PL_stack_base); |
267 |
ENTER; |
268 |
SAVETMPS; |
269 |
PUSHMARK(SP); |
270 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
271 |
XPUSHs(sv_2mortal(newSVpv(new,0))); |
272 |
PUTBACK; |
273 |
rv = call_sv(_PLfuse_callbacks[9],G_SCALAR); |
274 |
SPAGAIN; |
275 |
if(rv) |
276 |
rv = POPi; |
277 |
else |
278 |
rv = 0; |
279 |
FREETMPS; |
280 |
LEAVE; |
281 |
PUTBACK; |
282 |
DEBUGf("link end: %i\n",sp-PL_stack_base); |
283 |
return rv; |
284 |
} |
285 |
|
286 |
int _PLfuse_chmod (const char *file, mode_t mode) { |
287 |
int rv; |
288 |
SV *rvsv; |
289 |
char *rvstr; |
290 |
dSP; |
291 |
DEBUGf("chmod begin: %i\n",sp-PL_stack_base); |
292 |
ENTER; |
293 |
SAVETMPS; |
294 |
PUSHMARK(SP); |
295 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
296 |
XPUSHs(sv_2mortal(newSViv(mode))); |
297 |
PUTBACK; |
298 |
rv = call_sv(_PLfuse_callbacks[10],G_SCALAR); |
299 |
SPAGAIN; |
300 |
if(rv) |
301 |
rv = POPi; |
302 |
else |
303 |
rv = 0; |
304 |
FREETMPS; |
305 |
LEAVE; |
306 |
PUTBACK; |
307 |
DEBUGf("chmod end: %i\n",sp-PL_stack_base); |
308 |
return rv; |
309 |
} |
310 |
|
311 |
int _PLfuse_chown (const char *file, uid_t uid, gid_t gid) { |
312 |
int rv; |
313 |
SV *rvsv; |
314 |
char *rvstr; |
315 |
dSP; |
316 |
DEBUGf("chown begin: %i\n",sp-PL_stack_base); |
317 |
ENTER; |
318 |
SAVETMPS; |
319 |
PUSHMARK(SP); |
320 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
321 |
XPUSHs(sv_2mortal(newSViv(uid))); |
322 |
XPUSHs(sv_2mortal(newSViv(gid))); |
323 |
PUTBACK; |
324 |
rv = call_sv(_PLfuse_callbacks[11],G_SCALAR); |
325 |
SPAGAIN; |
326 |
if(rv) |
327 |
rv = POPi; |
328 |
else |
329 |
rv = 0; |
330 |
FREETMPS; |
331 |
LEAVE; |
332 |
PUTBACK; |
333 |
DEBUGf("chown end: %i\n",sp-PL_stack_base); |
334 |
return rv; |
335 |
} |
336 |
|
337 |
int _PLfuse_truncate (const char *file, off_t off) { |
338 |
int rv; |
339 |
SV *rvsv; |
340 |
char *rvstr; |
341 |
dSP; |
342 |
DEBUGf("truncate begin: %i\n",sp-PL_stack_base); |
343 |
ENTER; |
344 |
SAVETMPS; |
345 |
PUSHMARK(SP); |
346 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
347 |
XPUSHs(sv_2mortal(newSViv(off))); |
348 |
PUTBACK; |
349 |
rv = call_sv(_PLfuse_callbacks[12],G_SCALAR); |
350 |
SPAGAIN; |
351 |
if(rv) |
352 |
rv = POPi; |
353 |
else |
354 |
rv = 0; |
355 |
FREETMPS; |
356 |
LEAVE; |
357 |
PUTBACK; |
358 |
DEBUGf("truncate end: %i\n",sp-PL_stack_base); |
359 |
return rv; |
360 |
} |
361 |
|
362 |
int _PLfuse_utime (const char *file, struct utimbuf *uti) { |
363 |
int rv; |
364 |
SV *rvsv; |
365 |
char *rvstr; |
366 |
dSP; |
367 |
DEBUGf("utime begin: %i\n",sp-PL_stack_base); |
368 |
ENTER; |
369 |
SAVETMPS; |
370 |
PUSHMARK(SP); |
371 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
372 |
XPUSHs(sv_2mortal(newSViv(uti->actime))); |
373 |
XPUSHs(sv_2mortal(newSViv(uti->modtime))); |
374 |
PUTBACK; |
375 |
rv = call_sv(_PLfuse_callbacks[13],G_SCALAR); |
376 |
SPAGAIN; |
377 |
if(rv) |
378 |
rv = POPi; |
379 |
else |
380 |
rv = 0; |
381 |
FREETMPS; |
382 |
LEAVE; |
383 |
PUTBACK; |
384 |
DEBUGf("utime end: %i\n",sp-PL_stack_base); |
385 |
return rv; |
386 |
} |
387 |
|
388 |
int _PLfuse_open (const char *file, int flags) { |
389 |
int rv; |
390 |
SV *rvsv; |
391 |
char *rvstr; |
392 |
dSP; |
393 |
DEBUGf("open begin: %i\n",sp-PL_stack_base); |
394 |
ENTER; |
395 |
SAVETMPS; |
396 |
PUSHMARK(SP); |
397 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
398 |
XPUSHs(sv_2mortal(newSViv(flags))); |
399 |
PUTBACK; |
400 |
rv = call_sv(_PLfuse_callbacks[14],G_SCALAR); |
401 |
SPAGAIN; |
402 |
if(rv) |
403 |
rv = POPi; |
404 |
else |
405 |
rv = 0; |
406 |
FREETMPS; |
407 |
LEAVE; |
408 |
PUTBACK; |
409 |
DEBUGf("open end: %i %i\n",sp-PL_stack_base,rv); |
410 |
return rv; |
411 |
} |
412 |
|
413 |
int _PLfuse_read (const char *file, char *buf, size_t buflen, off_t off) { |
414 |
int rv; |
415 |
char *rvstr; |
416 |
dSP; |
417 |
DEBUGf("read begin: %i\n",sp-PL_stack_base); |
418 |
ENTER; |
419 |
SAVETMPS; |
420 |
PUSHMARK(SP); |
421 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
422 |
XPUSHs(sv_2mortal(newSViv(buflen))); |
423 |
XPUSHs(sv_2mortal(newSViv(off))); |
424 |
PUTBACK; |
425 |
rv = call_sv(_PLfuse_callbacks[15],G_SCALAR); |
426 |
SPAGAIN; |
427 |
if(!rv) |
428 |
rv = -ENOENT; |
429 |
else { |
430 |
SV *mysv = POPs; |
431 |
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
432 |
rv = SvIV(mysv); |
433 |
else { |
434 |
if(SvPOK(mysv)) { |
435 |
rv = SvCUR(mysv); |
436 |
} else { |
437 |
rv = 0; |
438 |
} |
439 |
if(rv > buflen) |
440 |
croak("read() handler returned more than buflen! (%i > %i)",rv,buflen); |
441 |
if(rv) |
442 |
memcpy(buf,SvPV_nolen(mysv),rv); |
443 |
} |
444 |
} |
445 |
FREETMPS; |
446 |
LEAVE; |
447 |
PUTBACK; |
448 |
DEBUGf("read end: %i %i\n",sp-PL_stack_base,rv); |
449 |
return rv; |
450 |
} |
451 |
|
452 |
int _PLfuse_write (const char *file, const char *buf, size_t buflen, off_t off) { |
453 |
int rv; |
454 |
char *rvstr; |
455 |
dSP; |
456 |
DEBUGf("write begin: %i\n",sp-PL_stack_base); |
457 |
ENTER; |
458 |
SAVETMPS; |
459 |
PUSHMARK(SP); |
460 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
461 |
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
462 |
XPUSHs(sv_2mortal(newSViv(off))); |
463 |
PUTBACK; |
464 |
rv = call_sv(_PLfuse_callbacks[16],G_SCALAR); |
465 |
SPAGAIN; |
466 |
if(rv) |
467 |
rv = POPi; |
468 |
else |
469 |
rv = 0; |
470 |
FREETMPS; |
471 |
LEAVE; |
472 |
PUTBACK; |
473 |
DEBUGf("write end: %i\n",sp-PL_stack_base); |
474 |
return rv; |
475 |
} |
476 |
|
477 |
int _PLfuse_statfs (const char *file, struct statfs *st) { |
478 |
int rv; |
479 |
char *rvstr; |
480 |
dSP; |
481 |
DEBUGf("statfs begin: %i\n",sp-PL_stack_base); |
482 |
ENTER; |
483 |
SAVETMPS; |
484 |
PUSHMARK(SP); |
485 |
PUTBACK; |
486 |
rv = call_sv(_PLfuse_callbacks[17],G_ARRAY); |
487 |
SPAGAIN; |
488 |
if(rv > 5) { |
489 |
st->f_bsize = POPi; |
490 |
st->f_bfree = POPi; |
491 |
st->f_blocks = POPi; |
492 |
st->f_ffree = POPi; |
493 |
st->f_files = POPi; |
494 |
st->f_namelen = POPi; |
495 |
if(rv > 6) |
496 |
rv = POPi; |
497 |
else |
498 |
rv = 0; |
499 |
} else |
500 |
if(rv > 1) |
501 |
croak("inappropriate number of returned values from statfs"); |
502 |
else |
503 |
if(rv) |
504 |
rv = POPi; |
505 |
else |
506 |
rv = -ENOSYS; |
507 |
FREETMPS; |
508 |
LEAVE; |
509 |
PUTBACK; |
510 |
DEBUGf("statfs end: %i\n",sp-PL_stack_base); |
511 |
return rv; |
512 |
} |
513 |
|
514 |
int _PLfuse_flush (const char *file) { |
515 |
int rv; |
516 |
char *rvstr; |
517 |
dSP; |
518 |
DEBUGf("flush begin: %i\n",sp-PL_stack_base); |
519 |
ENTER; |
520 |
SAVETMPS; |
521 |
PUSHMARK(SP); |
522 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
523 |
PUTBACK; |
524 |
rv = call_sv(_PLfuse_callbacks[18],G_SCALAR); |
525 |
SPAGAIN; |
526 |
if(rv) |
527 |
rv = POPi; |
528 |
else |
529 |
rv = 0; |
530 |
FREETMPS; |
531 |
LEAVE; |
532 |
PUTBACK; |
533 |
DEBUGf("flush end: %i\n",sp-PL_stack_base); |
534 |
return rv; |
535 |
} |
536 |
|
537 |
int _PLfuse_release (const char *file, int flags) { |
538 |
int rv; |
539 |
char *rvstr; |
540 |
dSP; |
541 |
DEBUGf("release begin: %i\n",sp-PL_stack_base); |
542 |
ENTER; |
543 |
SAVETMPS; |
544 |
PUSHMARK(SP); |
545 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
546 |
XPUSHs(sv_2mortal(newSViv(flags))); |
547 |
PUTBACK; |
548 |
rv = call_sv(_PLfuse_callbacks[19],G_SCALAR); |
549 |
SPAGAIN; |
550 |
if(rv) |
551 |
rv = POPi; |
552 |
else |
553 |
rv = 0; |
554 |
FREETMPS; |
555 |
LEAVE; |
556 |
PUTBACK; |
557 |
DEBUGf("release end: %i\n",sp-PL_stack_base); |
558 |
return rv; |
559 |
} |
560 |
|
561 |
int _PLfuse_fsync (const char *file, int flags) { |
562 |
int rv; |
563 |
char *rvstr; |
564 |
dSP; |
565 |
DEBUGf("fsync begin: %i\n",sp-PL_stack_base); |
566 |
ENTER; |
567 |
SAVETMPS; |
568 |
PUSHMARK(SP); |
569 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
570 |
XPUSHs(sv_2mortal(newSViv(flags))); |
571 |
PUTBACK; |
572 |
rv = call_sv(_PLfuse_callbacks[20],G_SCALAR); |
573 |
SPAGAIN; |
574 |
if(rv) |
575 |
rv = POPi; |
576 |
else |
577 |
rv = 0; |
578 |
FREETMPS; |
579 |
LEAVE; |
580 |
PUTBACK; |
581 |
DEBUGf("fsync end: %i\n",sp-PL_stack_base); |
582 |
return rv; |
583 |
} |
584 |
|
585 |
int _PLfuse_setxattr (const char *file, const char *name, const char *buf, size_t buflen, int flags) { |
586 |
int rv; |
587 |
char *rvstr; |
588 |
dSP; |
589 |
DEBUGf("setxattr begin: %i\n",sp-PL_stack_base); |
590 |
ENTER; |
591 |
SAVETMPS; |
592 |
PUSHMARK(SP); |
593 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
594 |
XPUSHs(sv_2mortal(newSVpv(name,0))); |
595 |
XPUSHs(sv_2mortal(newSVpvn(buf,buflen))); |
596 |
XPUSHs(sv_2mortal(newSViv(flags))); |
597 |
PUTBACK; |
598 |
rv = call_sv(_PLfuse_callbacks[21],G_SCALAR); |
599 |
SPAGAIN; |
600 |
if(rv) |
601 |
rv = POPi; |
602 |
else |
603 |
rv = 0; |
604 |
FREETMPS; |
605 |
LEAVE; |
606 |
PUTBACK; |
607 |
DEBUGf("setxattr end: %i\n",sp-PL_stack_base); |
608 |
return rv; |
609 |
} |
610 |
|
611 |
int _PLfuse_getxattr (const char *file, const char *name, char *buf, size_t buflen) { |
612 |
int rv; |
613 |
char *rvstr; |
614 |
dSP; |
615 |
DEBUGf("getxattr begin: %i\n",sp-PL_stack_base); |
616 |
ENTER; |
617 |
SAVETMPS; |
618 |
PUSHMARK(SP); |
619 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
620 |
XPUSHs(sv_2mortal(newSVpv(name,0))); |
621 |
PUTBACK; |
622 |
rv = call_sv(_PLfuse_callbacks[22],G_SCALAR); |
623 |
SPAGAIN; |
624 |
if(!rv) |
625 |
rv = -ENOENT; |
626 |
else { |
627 |
SV *mysv = POPs; |
628 |
|
629 |
rv = 0; |
630 |
if(SvTYPE(mysv) == SVt_NV || SvTYPE(mysv) == SVt_IV) |
631 |
rv = SvIV(mysv); |
632 |
else { |
633 |
if(SvPOK(mysv)) { |
634 |
rv = SvCUR(mysv); |
635 |
} else { |
636 |
rv = 0; |
637 |
} |
638 |
if ((rv > 0) && (buflen > 0)) |
639 |
{ |
640 |
if(rv > buflen) |
641 |
rv = -ERANGE; |
642 |
else |
643 |
memcpy(buf,SvPV_nolen(mysv),rv); |
644 |
} |
645 |
} |
646 |
} |
647 |
FREETMPS; |
648 |
LEAVE; |
649 |
PUTBACK; |
650 |
DEBUGf("getxattr end: %i\n",sp-PL_stack_base); |
651 |
return rv; |
652 |
} |
653 |
|
654 |
int _PLfuse_listxattr (const char *file, char *list, size_t size) { |
655 |
int prv, rv; |
656 |
char *rvstr; |
657 |
dSP; |
658 |
DEBUGf("listxattr begin: %i\n",sp-PL_stack_base); |
659 |
ENTER; |
660 |
SAVETMPS; |
661 |
PUSHMARK(SP); |
662 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
663 |
PUTBACK; |
664 |
prv = call_sv(_PLfuse_callbacks[23],G_ARRAY); |
665 |
SPAGAIN; |
666 |
if(!prv) |
667 |
rv = -ENOENT; |
668 |
else { |
669 |
|
670 |
char *p = list; |
671 |
int spc = size; |
672 |
int total_len = 0; |
673 |
int i; |
674 |
|
675 |
rv = POPi; |
676 |
prv--; |
677 |
|
678 |
/* Always nul terminate */ |
679 |
if (list && (size > 0)) |
680 |
list[0] = '\0'; |
681 |
|
682 |
while (prv > 0) |
683 |
{ |
684 |
SV *mysv = POPs; |
685 |
prv--; |
686 |
|
687 |
if (SvPOK(mysv)) { |
688 |
/* Copy nul too */ |
689 |
int s = SvCUR(mysv) + 1; |
690 |
total_len += s; |
691 |
|
692 |
if (p && (size > 0) && (spc >= s)) |
693 |
{ |
694 |
memcpy(p,SvPV_nolen(mysv),s); |
695 |
p += s; |
696 |
spc -= s; |
697 |
} |
698 |
} |
699 |
} |
700 |
|
701 |
/* |
702 |
* If the Perl returned an error, return that. |
703 |
* Otherwise check that the buffer was big enough. |
704 |
*/ |
705 |
if (rv == 0) |
706 |
{ |
707 |
rv = total_len; |
708 |
if ((size > 0) && (size < total_len)) |
709 |
rv = -ERANGE; |
710 |
} |
711 |
} |
712 |
FREETMPS; |
713 |
LEAVE; |
714 |
PUTBACK; |
715 |
DEBUGf("listxattr end: %i\n",sp-PL_stack_base); |
716 |
return rv; |
717 |
} |
718 |
|
719 |
int _PLfuse_removexattr (const char *file, const char *name) { |
720 |
int rv; |
721 |
char *rvstr; |
722 |
dSP; |
723 |
DEBUGf("removexattr begin: %i\n",sp-PL_stack_base); |
724 |
ENTER; |
725 |
SAVETMPS; |
726 |
PUSHMARK(SP); |
727 |
XPUSHs(sv_2mortal(newSVpv(file,0))); |
728 |
XPUSHs(sv_2mortal(newSVpv(name,0))); |
729 |
PUTBACK; |
730 |
rv = call_sv(_PLfuse_callbacks[24],G_SCALAR); |
731 |
SPAGAIN; |
732 |
if(rv) |
733 |
rv = POPi; |
734 |
else |
735 |
rv = 0; |
736 |
FREETMPS; |
737 |
LEAVE; |
738 |
PUTBACK; |
739 |
DEBUGf("removexattr end: %i\n",sp-PL_stack_base); |
740 |
return rv; |
741 |
} |
742 |
|
743 |
struct fuse_operations _available_ops = { |
744 |
getattr: _PLfuse_getattr, |
745 |
readlink: _PLfuse_readlink, |
746 |
getdir: _PLfuse_getdir, |
747 |
mknod: _PLfuse_mknod, |
748 |
mkdir: _PLfuse_mkdir, |
749 |
unlink: _PLfuse_unlink, |
750 |
rmdir: _PLfuse_rmdir, |
751 |
symlink: _PLfuse_symlink, |
752 |
rename: _PLfuse_rename, |
753 |
link: _PLfuse_link, |
754 |
chmod: _PLfuse_chmod, |
755 |
chown: _PLfuse_chown, |
756 |
truncate: _PLfuse_truncate, |
757 |
utime: _PLfuse_utime, |
758 |
open: _PLfuse_open, |
759 |
read: _PLfuse_read, |
760 |
write: _PLfuse_write, |
761 |
statfs: _PLfuse_statfs, |
762 |
flush: _PLfuse_flush, |
763 |
release: _PLfuse_release, |
764 |
fsync: _PLfuse_fsync, |
765 |
setxattr: _PLfuse_setxattr, |
766 |
getxattr: _PLfuse_getxattr, |
767 |
listxattr: _PLfuse_listxattr, |
768 |
removexattr: _PLfuse_removexattr, |
769 |
}; |
770 |
|
771 |
MODULE = Fuse PACKAGE = Fuse |
772 |
PROTOTYPES: DISABLE |
773 |
|
774 |
void |
775 |
perl_fuse_main(...) |
776 |
PREINIT: |
777 |
struct fuse_operations fops = {NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL}; |
778 |
int i, fd, varnum = 0, debug, have_mnt; |
779 |
char *mountpoint; |
780 |
char *mountopts; |
781 |
STRLEN n_a; |
782 |
STRLEN l; |
783 |
INIT: |
784 |
if(items != 28) { |
785 |
fprintf(stderr,"Perl<->C inconsistency or internal error\n"); |
786 |
XSRETURN_UNDEF; |
787 |
} |
788 |
CODE: |
789 |
debug = SvIV(ST(0)); |
790 |
mountpoint = SvPV_nolen(ST(1)); |
791 |
mountopts = SvPV_nolen(ST(2)); |
792 |
/* FIXME: reevaluate multithreading support when perl6 arrives */ |
793 |
for(i=0;i<N_CALLBACKS;i++) { |
794 |
SV *var = ST(i+3); |
795 |
if((var != &PL_sv_undef) && SvROK(var)) { |
796 |
if(SvTYPE(SvRV(var)) == SVt_PVCV) { |
797 |
void **tmp1 = (void**)&_available_ops, **tmp2 = (void**)&fops; |
798 |
tmp2[i] = tmp1[i]; |
799 |
_PLfuse_callbacks[i] = var; |
800 |
} else |
801 |
croak("arg is not a code reference!"); |
802 |
} |
803 |
} |
804 |
/* FIXME: need to pass fusermount arguments */ |
805 |
fd = fuse_mount(mountpoint,mountopts); |
806 |
if(fd < 0) |
807 |
croak("could not mount fuse filesystem!"); |
808 |
fuse_loop(fuse_new(fd,debug ? "debug" : NULL,&fops)); |