1 |
/* solaris */ |
2 |
#define _POSIX_PTHREAD_SEMANTICS 1 |
3 |
|
4 |
#if __linux && !defined(_GNU_SOURCE) |
5 |
# define _GNU_SOURCE |
6 |
#endif |
7 |
|
8 |
/* just in case */ |
9 |
#define _REENTRANT 1 |
10 |
|
11 |
#include <errno.h> |
12 |
|
13 |
#include "EXTERN.h" |
14 |
#include "perl.h" |
15 |
#include "XSUB.h" |
16 |
|
17 |
#include <pthread.h> |
18 |
|
19 |
#include <stddef.h> |
20 |
#include <stdlib.h> |
21 |
#include <errno.h> |
22 |
#include <sys/time.h> |
23 |
#include <sys/types.h> |
24 |
#include <limits.h> |
25 |
#include <unistd.h> |
26 |
#include <fcntl.h> |
27 |
|
28 |
#include <db.h> |
29 |
|
30 |
/* number of seconds after which idle threads exit */ |
31 |
#define IDLE_TIMEOUT 10 |
32 |
|
33 |
/* wether word reads are potentially non-atomic. |
34 |
* this is conservatice, likely most arches this runs |
35 |
* on have atomic word read/writes. |
36 |
*/ |
37 |
#ifndef WORDACCESS_UNSAFE |
38 |
# if __i386 || __x86_64 |
39 |
# define WORDACCESS_UNSAFE 0 |
40 |
# else |
41 |
# define WORDACCESS_UNSAFE 1 |
42 |
# endif |
43 |
#endif |
44 |
|
45 |
typedef DB_ENV DB_ENV_ornull; |
46 |
typedef DB_TXN DB_TXN_ornull; |
47 |
typedef DBC DBC_ornull; |
48 |
typedef DB DB_ornull; |
49 |
typedef DB_SEQUENCE DB_SEQUENCE_ornull; |
50 |
|
51 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
52 |
typedef char *octetstring; |
53 |
|
54 |
static SV *prepare_cb; |
55 |
|
56 |
static inline char * |
57 |
strdup_ornull (const char *s) |
58 |
{ |
59 |
return s ? strdup (s) : 0; |
60 |
} |
61 |
|
62 |
static inline void |
63 |
sv_to_dbt (DBT *dbt, SV *sv) |
64 |
{ |
65 |
STRLEN len; |
66 |
char *data = SvPVbyte (sv, len); |
67 |
|
68 |
dbt->data = malloc (len); |
69 |
memcpy (dbt->data, data, len); |
70 |
dbt->size = len; |
71 |
dbt->flags = DB_DBT_REALLOC; |
72 |
} |
73 |
|
74 |
static inline void |
75 |
dbt_to_sv (SV *sv, DBT *dbt) |
76 |
{ |
77 |
if (sv) |
78 |
{ |
79 |
SvREADONLY_off (sv); |
80 |
sv_setpvn_mg (sv, dbt->data, dbt->size); |
81 |
SvREFCNT_dec (sv); |
82 |
} |
83 |
|
84 |
free (dbt->data); |
85 |
} |
86 |
|
87 |
enum { |
88 |
REQ_QUIT, |
89 |
REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, |
90 |
REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, |
91 |
REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, |
92 |
REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, |
93 |
REQ_TXN_COMMIT, REQ_TXN_ABORT, |
94 |
REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, |
95 |
REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, |
96 |
}; |
97 |
|
98 |
typedef struct aio_cb |
99 |
{ |
100 |
struct aio_cb *volatile next; |
101 |
SV *callback; |
102 |
int type, pri, result; |
103 |
|
104 |
DB_ENV *env; |
105 |
DB *db; |
106 |
DB_TXN *txn; |
107 |
DBC *dbc; |
108 |
|
109 |
UV uv1; |
110 |
int int1, int2; |
111 |
U32 uint1, uint2; |
112 |
char *buf1, *buf2; |
113 |
SV *sv1, *sv2, *sv3; |
114 |
|
115 |
DBT dbt1, dbt2, dbt3; |
116 |
DB_KEY_RANGE key_range; |
117 |
DB_SEQUENCE *seq; |
118 |
db_seq_t seq_t; |
119 |
} aio_cb; |
120 |
|
121 |
typedef aio_cb *aio_req; |
122 |
|
123 |
enum { |
124 |
PRI_MIN = -4, |
125 |
PRI_MAX = 4, |
126 |
|
127 |
DEFAULT_PRI = 0, |
128 |
PRI_BIAS = -PRI_MIN, |
129 |
NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
130 |
}; |
131 |
|
132 |
#define AIO_TICKS ((1000000 + 1023) >> 10) |
133 |
|
134 |
static unsigned int max_poll_time = 0; |
135 |
static unsigned int max_poll_reqs = 0; |
136 |
|
137 |
/* calculcate time difference in ~1/AIO_TICKS of a second */ |
138 |
static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
139 |
{ |
140 |
return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
141 |
+ ((tv2->tv_usec - tv1->tv_usec) >> 10); |
142 |
} |
143 |
|
144 |
static int next_pri = DEFAULT_PRI + PRI_BIAS; |
145 |
|
146 |
static unsigned int started, idle, wanted; |
147 |
|
148 |
#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
149 |
# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
150 |
#else |
151 |
# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
152 |
#endif |
153 |
|
154 |
#define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
155 |
#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
156 |
|
157 |
/* worker threads management */ |
158 |
static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
159 |
|
160 |
typedef struct worker { |
161 |
/* locked by wrklock */ |
162 |
struct worker *prev, *next; |
163 |
|
164 |
pthread_t tid; |
165 |
|
166 |
/* locked by reslock, reqlock or wrklock */ |
167 |
aio_req req; /* currently processed request */ |
168 |
void *dbuf; |
169 |
DIR *dirp; |
170 |
} worker; |
171 |
|
172 |
static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
173 |
|
174 |
static void worker_clear (worker *wrk) |
175 |
{ |
176 |
} |
177 |
|
178 |
static void worker_free (worker *wrk) |
179 |
{ |
180 |
wrk->next->prev = wrk->prev; |
181 |
wrk->prev->next = wrk->next; |
182 |
|
183 |
free (wrk); |
184 |
} |
185 |
|
186 |
static volatile unsigned int nreqs, nready, npending; |
187 |
static volatile unsigned int max_idle = 4; |
188 |
static volatile unsigned int max_outstanding = 0xffffffff; |
189 |
static int respipe [2]; |
190 |
|
191 |
static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
192 |
static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
193 |
static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
194 |
|
195 |
#if WORDACCESS_UNSAFE |
196 |
|
197 |
static unsigned int get_nready () |
198 |
{ |
199 |
unsigned int retval; |
200 |
|
201 |
LOCK (reqlock); |
202 |
retval = nready; |
203 |
UNLOCK (reqlock); |
204 |
|
205 |
return retval; |
206 |
} |
207 |
|
208 |
static unsigned int get_npending () |
209 |
{ |
210 |
unsigned int retval; |
211 |
|
212 |
LOCK (reslock); |
213 |
retval = npending; |
214 |
UNLOCK (reslock); |
215 |
|
216 |
return retval; |
217 |
} |
218 |
|
219 |
static unsigned int get_nthreads () |
220 |
{ |
221 |
unsigned int retval; |
222 |
|
223 |
LOCK (wrklock); |
224 |
retval = started; |
225 |
UNLOCK (wrklock); |
226 |
|
227 |
return retval; |
228 |
} |
229 |
|
230 |
#else |
231 |
|
232 |
# define get_nready() nready |
233 |
# define get_npending() npending |
234 |
# define get_nthreads() started |
235 |
|
236 |
#endif |
237 |
|
238 |
/* |
239 |
* a somewhat faster data structure might be nice, but |
240 |
* with 8 priorities this actually needs <20 insns |
241 |
* per shift, the most expensive operation. |
242 |
*/ |
243 |
typedef struct { |
244 |
aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
245 |
int size; |
246 |
} reqq; |
247 |
|
248 |
static reqq req_queue; |
249 |
static reqq res_queue; |
250 |
|
251 |
int reqq_push (reqq *q, aio_req req) |
252 |
{ |
253 |
int pri = req->pri; |
254 |
req->next = 0; |
255 |
|
256 |
if (q->qe[pri]) |
257 |
{ |
258 |
q->qe[pri]->next = req; |
259 |
q->qe[pri] = req; |
260 |
} |
261 |
else |
262 |
q->qe[pri] = q->qs[pri] = req; |
263 |
|
264 |
return q->size++; |
265 |
} |
266 |
|
267 |
aio_req reqq_shift (reqq *q) |
268 |
{ |
269 |
int pri; |
270 |
|
271 |
if (!q->size) |
272 |
return 0; |
273 |
|
274 |
--q->size; |
275 |
|
276 |
for (pri = NUM_PRI; pri--; ) |
277 |
{ |
278 |
aio_req req = q->qs[pri]; |
279 |
|
280 |
if (req) |
281 |
{ |
282 |
if (!(q->qs[pri] = req->next)) |
283 |
q->qe[pri] = 0; |
284 |
|
285 |
return req; |
286 |
} |
287 |
} |
288 |
|
289 |
abort (); |
290 |
} |
291 |
|
292 |
static int poll_cb (); |
293 |
static void req_free (aio_req req); |
294 |
static void req_cancel (aio_req req); |
295 |
|
296 |
static int req_invoke (aio_req req) |
297 |
{ |
298 |
dSP; |
299 |
|
300 |
if (SvOK (req->callback)) |
301 |
{ |
302 |
ENTER; |
303 |
SAVETMPS; |
304 |
PUSHMARK (SP); |
305 |
|
306 |
switch (req->type) |
307 |
{ |
308 |
case REQ_DB_CLOSE: |
309 |
SvREFCNT_dec (req->sv1); |
310 |
break; |
311 |
|
312 |
case REQ_DB_GET: |
313 |
case REQ_DB_PGET: |
314 |
dbt_to_sv (req->sv3, &req->dbt3); |
315 |
break; |
316 |
|
317 |
case REQ_C_GET: |
318 |
case REQ_C_PGET: |
319 |
dbt_to_sv (req->sv1, &req->dbt1); |
320 |
dbt_to_sv (req->sv2, &req->dbt2); |
321 |
dbt_to_sv (req->sv3, &req->dbt3); |
322 |
break; |
323 |
|
324 |
case REQ_DB_KEY_RANGE: |
325 |
{ |
326 |
AV *av = newAV (); |
327 |
|
328 |
av_push (av, newSVnv (req->key_range.less)); |
329 |
av_push (av, newSVnv (req->key_range.equal)); |
330 |
av_push (av, newSVnv (req->key_range.greater)); |
331 |
|
332 |
SvREADONLY_off (req->sv1); |
333 |
sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av)); |
334 |
SvREFCNT_dec (req->sv1); |
335 |
} |
336 |
break; |
337 |
|
338 |
case REQ_SEQ_GET: |
339 |
SvREADONLY_off (req->sv1); |
340 |
|
341 |
if (sizeof (IV) > 4) |
342 |
sv_setiv_mg (req->sv1, req->seq_t); |
343 |
else |
344 |
sv_setnv_mg (req->sv1, req->seq_t); |
345 |
|
346 |
SvREFCNT_dec (req->sv1); |
347 |
break; |
348 |
} |
349 |
|
350 |
errno = req->result; |
351 |
|
352 |
PUTBACK; |
353 |
call_sv (req->callback, G_VOID | G_EVAL); |
354 |
SPAGAIN; |
355 |
|
356 |
FREETMPS; |
357 |
LEAVE; |
358 |
} |
359 |
|
360 |
return !SvTRUE (ERRSV); |
361 |
} |
362 |
|
363 |
static void req_free (aio_req req) |
364 |
{ |
365 |
free (req->buf1); |
366 |
free (req->buf2); |
367 |
Safefree (req); |
368 |
} |
369 |
|
370 |
static void *aio_proc (void *arg); |
371 |
|
372 |
static void start_thread (void) |
373 |
{ |
374 |
sigset_t fullsigset, oldsigset; |
375 |
pthread_attr_t attr; |
376 |
|
377 |
worker *wrk = calloc (1, sizeof (worker)); |
378 |
|
379 |
if (!wrk) |
380 |
croak ("unable to allocate worker thread data"); |
381 |
|
382 |
pthread_attr_init (&attr); |
383 |
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
384 |
#ifdef PTHREAD_SCOPE_PROCESS |
385 |
pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
386 |
#endif |
387 |
|
388 |
sigfillset (&fullsigset); |
389 |
|
390 |
LOCK (wrklock); |
391 |
pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
392 |
|
393 |
if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
394 |
{ |
395 |
wrk->prev = &wrk_first; |
396 |
wrk->next = wrk_first.next; |
397 |
wrk_first.next->prev = wrk; |
398 |
wrk_first.next = wrk; |
399 |
++started; |
400 |
} |
401 |
else |
402 |
free (wrk); |
403 |
|
404 |
pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
405 |
UNLOCK (wrklock); |
406 |
} |
407 |
|
408 |
static void maybe_start_thread () |
409 |
{ |
410 |
if (get_nthreads () >= wanted) |
411 |
return; |
412 |
|
413 |
/* todo: maybe use idle here, but might be less exact */ |
414 |
if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
415 |
return; |
416 |
|
417 |
start_thread (); |
418 |
} |
419 |
|
420 |
static void req_send (aio_req req) |
421 |
{ |
422 |
SV *wait_callback = 0; |
423 |
|
424 |
// synthesize callback if none given |
425 |
if (!SvOK (req->callback)) |
426 |
{ |
427 |
dSP; |
428 |
PUSHMARK (SP); |
429 |
PUTBACK; |
430 |
int count = call_sv (prepare_cb, G_ARRAY); |
431 |
SPAGAIN; |
432 |
|
433 |
if (count != 2) |
434 |
croak ("prepare callback must return exactly two values\n"); |
435 |
|
436 |
wait_callback = SvREFCNT_inc (POPs); |
437 |
SvREFCNT_dec (req->callback); |
438 |
req->callback = SvREFCNT_inc (POPs); |
439 |
} |
440 |
|
441 |
++nreqs; |
442 |
|
443 |
LOCK (reqlock); |
444 |
++nready; |
445 |
reqq_push (&req_queue, req); |
446 |
pthread_cond_signal (&reqwait); |
447 |
UNLOCK (reqlock); |
448 |
|
449 |
maybe_start_thread (); |
450 |
|
451 |
if (wait_callback) |
452 |
{ |
453 |
dSP; |
454 |
PUSHMARK (SP); |
455 |
PUTBACK; |
456 |
call_sv (wait_callback, G_DISCARD); |
457 |
SvREFCNT_dec (wait_callback); |
458 |
} |
459 |
} |
460 |
|
461 |
static void end_thread (void) |
462 |
{ |
463 |
aio_req req; |
464 |
|
465 |
Newz (0, req, 1, aio_cb); |
466 |
|
467 |
req->type = REQ_QUIT; |
468 |
req->pri = PRI_MAX + PRI_BIAS; |
469 |
|
470 |
LOCK (reqlock); |
471 |
reqq_push (&req_queue, req); |
472 |
pthread_cond_signal (&reqwait); |
473 |
UNLOCK (reqlock); |
474 |
|
475 |
LOCK (wrklock); |
476 |
--started; |
477 |
UNLOCK (wrklock); |
478 |
} |
479 |
|
480 |
static void set_max_idle (int nthreads) |
481 |
{ |
482 |
if (WORDACCESS_UNSAFE) LOCK (reqlock); |
483 |
max_idle = nthreads <= 0 ? 1 : nthreads; |
484 |
if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
485 |
} |
486 |
|
487 |
static void min_parallel (int nthreads) |
488 |
{ |
489 |
if (wanted < nthreads) |
490 |
wanted = nthreads; |
491 |
} |
492 |
|
493 |
static void max_parallel (int nthreads) |
494 |
{ |
495 |
if (wanted > nthreads) |
496 |
wanted = nthreads; |
497 |
|
498 |
while (started > wanted) |
499 |
end_thread (); |
500 |
} |
501 |
|
502 |
static void poll_wait () |
503 |
{ |
504 |
fd_set rfd; |
505 |
|
506 |
while (nreqs) |
507 |
{ |
508 |
int size; |
509 |
if (WORDACCESS_UNSAFE) LOCK (reslock); |
510 |
size = res_queue.size; |
511 |
if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
512 |
|
513 |
if (size) |
514 |
return; |
515 |
|
516 |
maybe_start_thread (); |
517 |
|
518 |
FD_ZERO(&rfd); |
519 |
FD_SET(respipe [0], &rfd); |
520 |
|
521 |
select (respipe [0] + 1, &rfd, 0, 0, 0); |
522 |
} |
523 |
} |
524 |
|
525 |
static int poll_cb () |
526 |
{ |
527 |
dSP; |
528 |
int count = 0; |
529 |
int maxreqs = max_poll_reqs; |
530 |
int do_croak = 0; |
531 |
struct timeval tv_start, tv_now; |
532 |
aio_req req; |
533 |
|
534 |
if (max_poll_time) |
535 |
gettimeofday (&tv_start, 0); |
536 |
|
537 |
for (;;) |
538 |
{ |
539 |
for (;;) |
540 |
{ |
541 |
maybe_start_thread (); |
542 |
|
543 |
LOCK (reslock); |
544 |
req = reqq_shift (&res_queue); |
545 |
|
546 |
if (req) |
547 |
{ |
548 |
--npending; |
549 |
|
550 |
if (!res_queue.size) |
551 |
{ |
552 |
/* read any signals sent by the worker threads */ |
553 |
char buf [4]; |
554 |
while (read (respipe [0], buf, 4) == 4) |
555 |
; |
556 |
} |
557 |
} |
558 |
|
559 |
UNLOCK (reslock); |
560 |
|
561 |
if (!req) |
562 |
break; |
563 |
|
564 |
--nreqs; |
565 |
|
566 |
if (!req_invoke (req)) |
567 |
{ |
568 |
req_free (req); |
569 |
croak (0); |
570 |
} |
571 |
|
572 |
count++; |
573 |
|
574 |
req_free (req); |
575 |
|
576 |
if (maxreqs && !--maxreqs) |
577 |
break; |
578 |
|
579 |
if (max_poll_time) |
580 |
{ |
581 |
gettimeofday (&tv_now, 0); |
582 |
|
583 |
if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
584 |
break; |
585 |
} |
586 |
} |
587 |
|
588 |
if (nreqs <= max_outstanding) |
589 |
break; |
590 |
|
591 |
poll_wait (); |
592 |
|
593 |
++maxreqs; |
594 |
} |
595 |
|
596 |
return count; |
597 |
} |
598 |
|
599 |
static void create_pipe () |
600 |
{ |
601 |
if (pipe (respipe)) |
602 |
croak ("unable to initialize result pipe"); |
603 |
|
604 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
605 |
croak ("cannot set result pipe to nonblocking mode"); |
606 |
|
607 |
if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
608 |
croak ("cannot set result pipe to nonblocking mode"); |
609 |
} |
610 |
|
611 |
/*****************************************************************************/ |
612 |
|
613 |
static void *aio_proc (void *thr_arg) |
614 |
{ |
615 |
aio_req req; |
616 |
struct timespec ts; |
617 |
worker *self = (worker *)thr_arg; |
618 |
|
619 |
/* try to distribute timeouts somewhat evenly */ |
620 |
ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
621 |
* (1000000000UL / 1024UL); |
622 |
|
623 |
for (;;) |
624 |
{ |
625 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
626 |
|
627 |
LOCK (reqlock); |
628 |
|
629 |
for (;;) |
630 |
{ |
631 |
self->req = req = reqq_shift (&req_queue); |
632 |
|
633 |
if (req) |
634 |
break; |
635 |
|
636 |
++idle; |
637 |
|
638 |
if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
639 |
== ETIMEDOUT) |
640 |
{ |
641 |
if (idle > max_idle) |
642 |
{ |
643 |
--idle; |
644 |
UNLOCK (reqlock); |
645 |
LOCK (wrklock); |
646 |
--started; |
647 |
UNLOCK (wrklock); |
648 |
goto quit; |
649 |
} |
650 |
|
651 |
/* we are allowed to idle, so do so without any timeout */ |
652 |
pthread_cond_wait (&reqwait, &reqlock); |
653 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
654 |
} |
655 |
|
656 |
--idle; |
657 |
} |
658 |
|
659 |
--nready; |
660 |
|
661 |
UNLOCK (reqlock); |
662 |
|
663 |
switch (req->type) |
664 |
{ |
665 |
case REQ_QUIT: |
666 |
goto quit; |
667 |
|
668 |
case REQ_ENV_OPEN: |
669 |
req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
670 |
break; |
671 |
|
672 |
case REQ_ENV_CLOSE: |
673 |
req->result = req->env->close (req->env, req->uint1); |
674 |
break; |
675 |
|
676 |
case REQ_ENV_TXN_CHECKPOINT: |
677 |
req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2); |
678 |
break; |
679 |
|
680 |
case REQ_ENV_LOCK_DETECT: |
681 |
req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1); |
682 |
break; |
683 |
|
684 |
case REQ_ENV_MEMP_SYNC: |
685 |
req->result = req->env->memp_sync (req->env, 0); |
686 |
break; |
687 |
|
688 |
case REQ_ENV_MEMP_TRICKLE: |
689 |
req->result = req->env->memp_trickle (req->env, req->int1, &req->int2); |
690 |
break; |
691 |
|
692 |
case REQ_DB_OPEN: |
693 |
req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); |
694 |
break; |
695 |
|
696 |
case REQ_DB_CLOSE: |
697 |
req->result = req->db->close (req->db, req->uint1); |
698 |
break; |
699 |
|
700 |
case REQ_DB_COMPACT: |
701 |
req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0); |
702 |
break; |
703 |
|
704 |
case REQ_DB_SYNC: |
705 |
req->result = req->db->sync (req->db, req->uint1); |
706 |
break; |
707 |
|
708 |
case REQ_DB_PUT: |
709 |
req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); |
710 |
break; |
711 |
|
712 |
case REQ_DB_GET: |
713 |
req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1); |
714 |
break; |
715 |
|
716 |
case REQ_DB_PGET: |
717 |
req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
718 |
break; |
719 |
|
720 |
case REQ_DB_DEL: |
721 |
req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); |
722 |
break; |
723 |
|
724 |
case REQ_DB_KEY_RANGE: |
725 |
req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1); |
726 |
break; |
727 |
|
728 |
case REQ_TXN_COMMIT: |
729 |
req->result = req->txn->commit (req->txn, req->uint1); |
730 |
break; |
731 |
|
732 |
case REQ_TXN_ABORT: |
733 |
req->result = req->txn->abort (req->txn); |
734 |
break; |
735 |
|
736 |
case REQ_C_CLOSE: |
737 |
req->result = req->dbc->c_close (req->dbc); |
738 |
break; |
739 |
|
740 |
case REQ_C_COUNT: |
741 |
{ |
742 |
db_recno_t recno; |
743 |
req->result = req->dbc->c_count (req->dbc, &recno, req->uint1); |
744 |
req->uv1 = recno; |
745 |
} |
746 |
break; |
747 |
|
748 |
case REQ_C_PUT: |
749 |
req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1); |
750 |
break; |
751 |
|
752 |
case REQ_C_GET: |
753 |
req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1); |
754 |
break; |
755 |
|
756 |
case REQ_C_PGET: |
757 |
req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
758 |
break; |
759 |
|
760 |
case REQ_C_DEL: |
761 |
req->result = req->dbc->c_del (req->dbc, req->uint1); |
762 |
break; |
763 |
|
764 |
case REQ_SEQ_OPEN: |
765 |
req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1); |
766 |
break; |
767 |
|
768 |
case REQ_SEQ_CLOSE: |
769 |
req->result = req->seq->close (req->seq, req->uint1); |
770 |
break; |
771 |
|
772 |
case REQ_SEQ_GET: |
773 |
req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1); |
774 |
break; |
775 |
|
776 |
case REQ_SEQ_REMOVE: |
777 |
req->result = req->seq->remove (req->seq, req->txn, req->uint1); |
778 |
break; |
779 |
|
780 |
default: |
781 |
req->result = ENOSYS; |
782 |
break; |
783 |
} |
784 |
|
785 |
LOCK (reslock); |
786 |
|
787 |
++npending; |
788 |
|
789 |
if (!reqq_push (&res_queue, req)) |
790 |
/* write a dummy byte to the pipe so fh becomes ready */ |
791 |
write (respipe [1], &respipe, 1); |
792 |
|
793 |
self->req = 0; |
794 |
worker_clear (self); |
795 |
|
796 |
UNLOCK (reslock); |
797 |
} |
798 |
|
799 |
quit: |
800 |
LOCK (wrklock); |
801 |
worker_free (self); |
802 |
UNLOCK (wrklock); |
803 |
|
804 |
return 0; |
805 |
} |
806 |
|
807 |
/*****************************************************************************/ |
808 |
|
809 |
static void atfork_prepare (void) |
810 |
{ |
811 |
LOCK (wrklock); |
812 |
LOCK (reqlock); |
813 |
LOCK (reslock); |
814 |
} |
815 |
|
816 |
static void atfork_parent (void) |
817 |
{ |
818 |
UNLOCK (reslock); |
819 |
UNLOCK (reqlock); |
820 |
UNLOCK (wrklock); |
821 |
} |
822 |
|
823 |
static void atfork_child (void) |
824 |
{ |
825 |
aio_req prv; |
826 |
|
827 |
while (prv = reqq_shift (&req_queue)) |
828 |
req_free (prv); |
829 |
|
830 |
while (prv = reqq_shift (&res_queue)) |
831 |
req_free (prv); |
832 |
|
833 |
while (wrk_first.next != &wrk_first) |
834 |
{ |
835 |
worker *wrk = wrk_first.next; |
836 |
|
837 |
if (wrk->req) |
838 |
req_free (wrk->req); |
839 |
|
840 |
worker_clear (wrk); |
841 |
worker_free (wrk); |
842 |
} |
843 |
|
844 |
started = 0; |
845 |
idle = 0; |
846 |
nreqs = 0; |
847 |
nready = 0; |
848 |
npending = 0; |
849 |
|
850 |
close (respipe [0]); |
851 |
close (respipe [1]); |
852 |
create_pipe (); |
853 |
|
854 |
atfork_parent (); |
855 |
} |
856 |
|
857 |
#define dREQ(reqtype) \ |
858 |
aio_req req; \ |
859 |
int req_pri = next_pri; \ |
860 |
next_pri = DEFAULT_PRI + PRI_BIAS; \ |
861 |
\ |
862 |
if (SvOK (callback) && !SvROK (callback)) \ |
863 |
croak ("callback must be undef or of reference type"); \ |
864 |
\ |
865 |
Newz (0, req, 1, aio_cb); \ |
866 |
if (!req) \ |
867 |
croak ("out of memory during aio_req allocation"); \ |
868 |
\ |
869 |
req->callback = newSVsv (callback); \ |
870 |
req->type = (reqtype); \ |
871 |
req->pri = req_pri |
872 |
|
873 |
#define REQ_SEND \ |
874 |
req_send (req) |
875 |
|
876 |
#define SvPTR(var, arg, type, class, nullok) \ |
877 |
if (!SvOK (arg)) \ |
878 |
{ \ |
879 |
if (!nullok) \ |
880 |
croak (# var " must be a " # class " object, not undef"); \ |
881 |
\ |
882 |
(var) = 0; \ |
883 |
} \ |
884 |
else if (sv_derived_from ((arg), # class)) \ |
885 |
{ \ |
886 |
IV tmp = SvIV ((SV*) SvRV (arg)); \ |
887 |
(var) = INT2PTR (type, tmp); \ |
888 |
if (!var) \ |
889 |
croak (# var " is not a valid " # class " object anymore"); \ |
890 |
} \ |
891 |
else \ |
892 |
croak (# var " is not of type " # class); \ |
893 |
\ |
894 |
|
895 |
static void |
896 |
ptr_nuke (SV *sv) |
897 |
{ |
898 |
assert (SvROK (sv)); |
899 |
sv_setiv (SvRV (sv), 0); |
900 |
} |
901 |
|
902 |
MODULE = BDB PACKAGE = BDB |
903 |
|
904 |
PROTOTYPES: ENABLE |
905 |
|
906 |
BOOT: |
907 |
{ |
908 |
HV *stash = gv_stashpv ("BDB", 1); |
909 |
|
910 |
static const struct { |
911 |
const char *name; |
912 |
IV iv; |
913 |
} *civ, const_iv[] = { |
914 |
#define const_iv(name) { # name, (IV)DB_ ## name }, |
915 |
const_iv (RPCCLIENT) |
916 |
const_iv (INIT_CDB) |
917 |
const_iv (INIT_LOCK) |
918 |
const_iv (INIT_LOG) |
919 |
const_iv (INIT_MPOOL) |
920 |
const_iv (INIT_REP) |
921 |
const_iv (INIT_TXN) |
922 |
const_iv (RECOVER) |
923 |
const_iv (INIT_TXN) |
924 |
const_iv (RECOVER_FATAL) |
925 |
const_iv (CREATE) |
926 |
const_iv (USE_ENVIRON) |
927 |
const_iv (USE_ENVIRON_ROOT) |
928 |
const_iv (LOCKDOWN) |
929 |
const_iv (PRIVATE) |
930 |
const_iv (REGISTER) |
931 |
const_iv (SYSTEM_MEM) |
932 |
const_iv (AUTO_COMMIT) |
933 |
const_iv (CDB_ALLDB) |
934 |
const_iv (DIRECT_DB) |
935 |
const_iv (DIRECT_LOG) |
936 |
const_iv (DSYNC_DB) |
937 |
const_iv (DSYNC_LOG) |
938 |
const_iv (LOG_AUTOREMOVE) |
939 |
const_iv (LOG_INMEMORY) |
940 |
const_iv (NOLOCKING) |
941 |
const_iv (MULTIVERSION) |
942 |
const_iv (NOMMAP) |
943 |
const_iv (NOPANIC) |
944 |
const_iv (OVERWRITE) |
945 |
const_iv (PANIC_ENVIRONMENT) |
946 |
const_iv (REGION_INIT) |
947 |
const_iv (TIME_NOTGRANTED) |
948 |
const_iv (TXN_NOSYNC) |
949 |
const_iv (TXN_SNAPSHOT) |
950 |
const_iv (TXN_WRITE_NOSYNC) |
951 |
const_iv (WRITECURSOR) |
952 |
const_iv (YIELDCPU) |
953 |
const_iv (ENCRYPT_AES) |
954 |
const_iv (XA_CREATE) |
955 |
const_iv (BTREE) |
956 |
const_iv (HASH) |
957 |
const_iv (QUEUE) |
958 |
const_iv (RECNO) |
959 |
const_iv (UNKNOWN) |
960 |
const_iv (EXCL) |
961 |
const_iv (READ_COMMITTED) |
962 |
const_iv (READ_UNCOMMITTED) |
963 |
const_iv (TRUNCATE) |
964 |
const_iv (NOSYNC) |
965 |
const_iv (CHKSUM) |
966 |
const_iv (ENCRYPT) |
967 |
const_iv (TXN_NOT_DURABLE) |
968 |
const_iv (DUP) |
969 |
const_iv (DUPSORT) |
970 |
const_iv (RECNUM) |
971 |
const_iv (RENUMBER) |
972 |
const_iv (REVSPLITOFF) |
973 |
const_iv (INORDER) |
974 |
const_iv (CONSUME) |
975 |
const_iv (CONSUME_WAIT) |
976 |
const_iv (GET_BOTH) |
977 |
const_iv (GET_BOTH_RANGE) |
978 |
//const_iv (SET_RECNO) |
979 |
//const_iv (MULTIPLE) |
980 |
const_iv (SNAPSHOT) |
981 |
const_iv (JOIN_ITEM) |
982 |
const_iv (RMW) |
983 |
|
984 |
const_iv (NOTFOUND) |
985 |
const_iv (KEYEMPTY) |
986 |
const_iv (LOCK_DEADLOCK) |
987 |
const_iv (LOCK_NOTGRANTED) |
988 |
const_iv (RUNRECOVERY) |
989 |
const_iv (OLD_VERSION) |
990 |
const_iv (REP_HANDLE_DEAD) |
991 |
const_iv (REP_LOCKOUT) |
992 |
const_iv (SECONDARY_BAD) |
993 |
|
994 |
const_iv (FREE_SPACE) |
995 |
const_iv (FREELIST_ONLY) |
996 |
|
997 |
const_iv (APPEND) |
998 |
const_iv (NODUPDATA) |
999 |
const_iv (NOOVERWRITE) |
1000 |
|
1001 |
const_iv (TXN_NOWAIT) |
1002 |
const_iv (TXN_SNAPSHOT) |
1003 |
const_iv (TXN_SYNC) |
1004 |
|
1005 |
const_iv (SET_LOCK_TIMEOUT) |
1006 |
const_iv (SET_TXN_TIMEOUT) |
1007 |
|
1008 |
const_iv (JOIN_ITEM) |
1009 |
const_iv (FIRST) |
1010 |
const_iv (NEXT) |
1011 |
const_iv (NEXT_DUP) |
1012 |
const_iv (NEXT_NODUP) |
1013 |
const_iv (PREV) |
1014 |
const_iv (PREV_NODUP) |
1015 |
const_iv (SET) |
1016 |
const_iv (SET_RANGE) |
1017 |
const_iv (LAST) |
1018 |
const_iv (BEFORE) |
1019 |
const_iv (AFTER) |
1020 |
const_iv (CURRENT) |
1021 |
const_iv (KEYFIRST) |
1022 |
const_iv (KEYLAST) |
1023 |
const_iv (NODUPDATA) |
1024 |
|
1025 |
const_iv (FORCE) |
1026 |
|
1027 |
const_iv (LOCK_DEFAULT) |
1028 |
const_iv (LOCK_EXPIRE) |
1029 |
const_iv (LOCK_MAXLOCKS) |
1030 |
const_iv (LOCK_MAXWRITE) |
1031 |
const_iv (LOCK_MINLOCKS) |
1032 |
const_iv (LOCK_MINWRITE) |
1033 |
const_iv (LOCK_OLDEST) |
1034 |
const_iv (LOCK_RANDOM) |
1035 |
const_iv (LOCK_YOUNGEST) |
1036 |
|
1037 |
const_iv (SEQ_DEC) |
1038 |
const_iv (SEQ_INC) |
1039 |
const_iv (SEQ_WRAP) |
1040 |
}; |
1041 |
|
1042 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1043 |
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1044 |
|
1045 |
create_pipe (); |
1046 |
pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1047 |
} |
1048 |
|
1049 |
void |
1050 |
max_poll_reqs (int nreqs) |
1051 |
PROTOTYPE: $ |
1052 |
CODE: |
1053 |
max_poll_reqs = nreqs; |
1054 |
|
1055 |
void |
1056 |
max_poll_time (double nseconds) |
1057 |
PROTOTYPE: $ |
1058 |
CODE: |
1059 |
max_poll_time = nseconds * AIO_TICKS; |
1060 |
|
1061 |
void |
1062 |
min_parallel (int nthreads) |
1063 |
PROTOTYPE: $ |
1064 |
|
1065 |
void |
1066 |
max_parallel (int nthreads) |
1067 |
PROTOTYPE: $ |
1068 |
|
1069 |
void |
1070 |
max_idle (int nthreads) |
1071 |
PROTOTYPE: $ |
1072 |
CODE: |
1073 |
set_max_idle (nthreads); |
1074 |
|
1075 |
int |
1076 |
max_outstanding (int maxreqs) |
1077 |
PROTOTYPE: $ |
1078 |
CODE: |
1079 |
RETVAL = max_outstanding; |
1080 |
max_outstanding = maxreqs; |
1081 |
OUTPUT: |
1082 |
RETVAL |
1083 |
|
1084 |
int |
1085 |
dbreq_pri (int pri = 0) |
1086 |
PROTOTYPE: ;$ |
1087 |
CODE: |
1088 |
RETVAL = next_pri - PRI_BIAS; |
1089 |
if (items > 0) |
1090 |
{ |
1091 |
if (pri < PRI_MIN) pri = PRI_MIN; |
1092 |
if (pri > PRI_MAX) pri = PRI_MAX; |
1093 |
next_pri = pri + PRI_BIAS; |
1094 |
} |
1095 |
OUTPUT: |
1096 |
RETVAL |
1097 |
|
1098 |
void |
1099 |
dbreq_nice (int nice = 0) |
1100 |
CODE: |
1101 |
nice = next_pri - nice; |
1102 |
if (nice < PRI_MIN) nice = PRI_MIN; |
1103 |
if (nice > PRI_MAX) nice = PRI_MAX; |
1104 |
next_pri = nice + PRI_BIAS; |
1105 |
|
1106 |
void |
1107 |
flush () |
1108 |
PROTOTYPE: |
1109 |
CODE: |
1110 |
while (nreqs) |
1111 |
{ |
1112 |
poll_wait (); |
1113 |
poll_cb (); |
1114 |
} |
1115 |
|
1116 |
int |
1117 |
poll () |
1118 |
PROTOTYPE: |
1119 |
CODE: |
1120 |
poll_wait (); |
1121 |
RETVAL = poll_cb (); |
1122 |
OUTPUT: |
1123 |
RETVAL |
1124 |
|
1125 |
int |
1126 |
poll_fileno () |
1127 |
PROTOTYPE: |
1128 |
CODE: |
1129 |
RETVAL = respipe [0]; |
1130 |
OUTPUT: |
1131 |
RETVAL |
1132 |
|
1133 |
int |
1134 |
poll_cb (...) |
1135 |
PROTOTYPE: |
1136 |
CODE: |
1137 |
RETVAL = poll_cb (); |
1138 |
OUTPUT: |
1139 |
RETVAL |
1140 |
|
1141 |
void |
1142 |
poll_wait () |
1143 |
PROTOTYPE: |
1144 |
CODE: |
1145 |
poll_wait (); |
1146 |
|
1147 |
int |
1148 |
nreqs () |
1149 |
PROTOTYPE: |
1150 |
CODE: |
1151 |
RETVAL = nreqs; |
1152 |
OUTPUT: |
1153 |
RETVAL |
1154 |
|
1155 |
int |
1156 |
nready () |
1157 |
PROTOTYPE: |
1158 |
CODE: |
1159 |
RETVAL = get_nready (); |
1160 |
OUTPUT: |
1161 |
RETVAL |
1162 |
|
1163 |
int |
1164 |
npending () |
1165 |
PROTOTYPE: |
1166 |
CODE: |
1167 |
RETVAL = get_npending (); |
1168 |
OUTPUT: |
1169 |
RETVAL |
1170 |
|
1171 |
int |
1172 |
nthreads () |
1173 |
PROTOTYPE: |
1174 |
CODE: |
1175 |
if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1176 |
RETVAL = started; |
1177 |
if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
1178 |
OUTPUT: |
1179 |
RETVAL |
1180 |
|
1181 |
void |
1182 |
set_sync_prepare (SV *cb) |
1183 |
PROTOTYPE: & |
1184 |
CODE: |
1185 |
SvREFCNT_dec (prepare_cb); |
1186 |
prepare_cb = newSVsv (cb); |
1187 |
|
1188 |
|
1189 |
DB_ENV * |
1190 |
db_env_create (U32 env_flags = 0) |
1191 |
CODE: |
1192 |
{ |
1193 |
errno = db_env_create (&RETVAL, env_flags); |
1194 |
if (errno) |
1195 |
croak ("db_env_create: %s", db_strerror (errno)); |
1196 |
} |
1197 |
OUTPUT: |
1198 |
RETVAL |
1199 |
|
1200 |
void |
1201 |
db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1202 |
CODE: |
1203 |
{ |
1204 |
env->set_thread_count (env, get_nthreads ()); |
1205 |
|
1206 |
dREQ (REQ_ENV_OPEN); |
1207 |
req->env = env; |
1208 |
req->uint1 = open_flags | DB_THREAD; |
1209 |
req->int1 = mode; |
1210 |
req->buf1 = strdup_ornull (db_home); |
1211 |
REQ_SEND; |
1212 |
} |
1213 |
|
1214 |
void |
1215 |
db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef) |
1216 |
CODE: |
1217 |
{ |
1218 |
dREQ (REQ_ENV_CLOSE); |
1219 |
req->env = env; |
1220 |
req->uint1 = flags; |
1221 |
REQ_SEND; |
1222 |
ptr_nuke (ST (0)); |
1223 |
} |
1224 |
|
1225 |
void |
1226 |
db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
1227 |
CODE: |
1228 |
{ |
1229 |
dREQ (REQ_ENV_TXN_CHECKPOINT); |
1230 |
req->env = env; |
1231 |
req->uint1 = kbyte; |
1232 |
req->int1 = min; |
1233 |
req->uint2 = flags; |
1234 |
REQ_SEND; |
1235 |
} |
1236 |
|
1237 |
void |
1238 |
db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1239 |
CODE: |
1240 |
{ |
1241 |
dREQ (REQ_ENV_LOCK_DETECT); |
1242 |
req->env = env; |
1243 |
req->uint1 = flags; |
1244 |
req->uint2 = atype; |
1245 |
REQ_SEND; |
1246 |
} |
1247 |
|
1248 |
void |
1249 |
db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1250 |
CODE: |
1251 |
{ |
1252 |
dREQ (REQ_ENV_MEMP_SYNC); |
1253 |
req->env = env; |
1254 |
REQ_SEND; |
1255 |
} |
1256 |
|
1257 |
void |
1258 |
db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1259 |
CODE: |
1260 |
{ |
1261 |
dREQ (REQ_ENV_MEMP_TRICKLE); |
1262 |
req->env = env; |
1263 |
req->int1 = percent; |
1264 |
REQ_SEND; |
1265 |
} |
1266 |
|
1267 |
|
1268 |
DB * |
1269 |
db_create (DB_ENV *env = 0, U32 flags = 0) |
1270 |
CODE: |
1271 |
{ |
1272 |
errno = db_create (&RETVAL, env, flags); |
1273 |
if (errno) |
1274 |
croak ("db_create: %s", db_strerror (errno)); |
1275 |
|
1276 |
if (RETVAL) |
1277 |
RETVAL->app_private = (void *)newSVsv (ST (0)); |
1278 |
} |
1279 |
OUTPUT: |
1280 |
RETVAL |
1281 |
|
1282 |
void |
1283 |
db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) |
1284 |
CODE: |
1285 |
{ |
1286 |
dREQ (REQ_DB_OPEN); |
1287 |
req->db = db; |
1288 |
req->txn = txnid; |
1289 |
req->buf1 = strdup_ornull (file); |
1290 |
req->buf2 = strdup_ornull (database); |
1291 |
req->int1 = type; |
1292 |
req->uint1 = flags | DB_THREAD; |
1293 |
req->int2 = mode; |
1294 |
REQ_SEND; |
1295 |
} |
1296 |
|
1297 |
void |
1298 |
db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1299 |
CODE: |
1300 |
{ |
1301 |
dREQ (REQ_DB_CLOSE); |
1302 |
req->db = db; |
1303 |
req->uint1 = flags; |
1304 |
req->sv1 = (SV *)db->app_private; |
1305 |
REQ_SEND; |
1306 |
ptr_nuke (ST (0)); |
1307 |
} |
1308 |
|
1309 |
void |
1310 |
db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef) |
1311 |
CODE: |
1312 |
{ |
1313 |
dREQ (REQ_DB_COMPACT); |
1314 |
req->db = db; |
1315 |
req->txn = txn; |
1316 |
sv_to_dbt (&req->dbt1, start); |
1317 |
sv_to_dbt (&req->dbt2, stop); |
1318 |
req->uint1 = flags; |
1319 |
REQ_SEND; |
1320 |
} |
1321 |
|
1322 |
void |
1323 |
db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1324 |
CODE: |
1325 |
{ |
1326 |
dREQ (REQ_DB_SYNC); |
1327 |
req->db = db; |
1328 |
req->uint1 = flags; |
1329 |
REQ_SEND; |
1330 |
} |
1331 |
|
1332 |
void |
1333 |
db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) |
1334 |
CODE: |
1335 |
{ |
1336 |
dREQ (REQ_DB_KEY_RANGE); |
1337 |
req->db = db; |
1338 |
req->txn = txn; |
1339 |
sv_to_dbt (&req->dbt1, key); |
1340 |
req->uint1 = flags; |
1341 |
req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range); |
1342 |
REQ_SEND; |
1343 |
} |
1344 |
|
1345 |
void |
1346 |
db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1347 |
CODE: |
1348 |
{ |
1349 |
dREQ (REQ_DB_PUT); |
1350 |
req->db = db; |
1351 |
req->txn = txn; |
1352 |
sv_to_dbt (&req->dbt1, key); |
1353 |
sv_to_dbt (&req->dbt2, data); |
1354 |
req->uint1 = flags; |
1355 |
REQ_SEND; |
1356 |
} |
1357 |
|
1358 |
void |
1359 |
db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1360 |
CODE: |
1361 |
{ |
1362 |
dREQ (REQ_DB_GET); |
1363 |
req->db = db; |
1364 |
req->txn = txn; |
1365 |
req->uint1 = flags; |
1366 |
sv_to_dbt (&req->dbt1, key); |
1367 |
req->dbt3.flags = DB_DBT_MALLOC; |
1368 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1369 |
REQ_SEND; |
1370 |
} |
1371 |
|
1372 |
void |
1373 |
db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1374 |
CODE: |
1375 |
{ |
1376 |
dREQ (REQ_DB_PGET); |
1377 |
req->db = db; |
1378 |
req->txn = txn; |
1379 |
req->uint1 = flags; |
1380 |
sv_to_dbt (&req->dbt1, key); |
1381 |
sv_to_dbt (&req->dbt2, pkey); |
1382 |
req->dbt3.flags = DB_DBT_MALLOC; |
1383 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1384 |
REQ_SEND; |
1385 |
} |
1386 |
|
1387 |
void |
1388 |
db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
1389 |
CODE: |
1390 |
{ |
1391 |
dREQ (REQ_DB_DEL); |
1392 |
req->db = db; |
1393 |
req->txn = txn; |
1394 |
req->uint1 = flags; |
1395 |
sv_to_dbt (&req->dbt1, key); |
1396 |
REQ_SEND; |
1397 |
} |
1398 |
|
1399 |
void |
1400 |
db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
1401 |
CODE: |
1402 |
{ |
1403 |
dREQ (REQ_TXN_COMMIT); |
1404 |
req->txn = txn; |
1405 |
req->uint1 = flags; |
1406 |
REQ_SEND; |
1407 |
ptr_nuke (ST (0)); |
1408 |
} |
1409 |
|
1410 |
void |
1411 |
db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef) |
1412 |
CODE: |
1413 |
{ |
1414 |
dREQ (REQ_TXN_ABORT); |
1415 |
req->txn = txn; |
1416 |
REQ_SEND; |
1417 |
ptr_nuke (ST (0)); |
1418 |
} |
1419 |
|
1420 |
void |
1421 |
db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) |
1422 |
CODE: |
1423 |
{ |
1424 |
dREQ (REQ_C_CLOSE); |
1425 |
req->dbc = dbc; |
1426 |
REQ_SEND; |
1427 |
ptr_nuke (ST (0)); |
1428 |
} |
1429 |
|
1430 |
void |
1431 |
db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef) |
1432 |
CODE: |
1433 |
{ |
1434 |
dREQ (REQ_C_COUNT); |
1435 |
req->dbc = dbc; |
1436 |
req->sv1 = SvREFCNT_inc (count); |
1437 |
REQ_SEND; |
1438 |
} |
1439 |
|
1440 |
void |
1441 |
db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1442 |
CODE: |
1443 |
{ |
1444 |
dREQ (REQ_C_PUT); |
1445 |
req->dbc = dbc; |
1446 |
sv_to_dbt (&req->dbt1, key); |
1447 |
sv_to_dbt (&req->dbt2, data); |
1448 |
req->uint1 = flags; |
1449 |
REQ_SEND; |
1450 |
} |
1451 |
|
1452 |
void |
1453 |
db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1454 |
CODE: |
1455 |
{ |
1456 |
dREQ (REQ_C_GET); |
1457 |
req->dbc = dbc; |
1458 |
req->uint1 = flags; |
1459 |
if ((flags & DB_SET) == DB_SET |
1460 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1461 |
sv_to_dbt (&req->dbt1, key); |
1462 |
else |
1463 |
req->dbt1.flags = DB_DBT_MALLOC; |
1464 |
|
1465 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1466 |
|
1467 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1468 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1469 |
sv_to_dbt (&req->dbt3, data); |
1470 |
else |
1471 |
req->dbt3.flags = DB_DBT_MALLOC; |
1472 |
|
1473 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1474 |
REQ_SEND; |
1475 |
} |
1476 |
|
1477 |
void |
1478 |
db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1479 |
CODE: |
1480 |
{ |
1481 |
dREQ (REQ_C_PGET); |
1482 |
req->dbc = dbc; |
1483 |
req->uint1 = flags; |
1484 |
if ((flags & DB_SET) == DB_SET |
1485 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1486 |
sv_to_dbt (&req->dbt1, key); |
1487 |
else |
1488 |
req->dbt1.flags = DB_DBT_MALLOC; |
1489 |
|
1490 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1491 |
|
1492 |
req->dbt2.flags = DB_DBT_MALLOC; |
1493 |
req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey); |
1494 |
|
1495 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1496 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1497 |
sv_to_dbt (&req->dbt3, data); |
1498 |
else |
1499 |
req->dbt3.flags = DB_DBT_MALLOC; |
1500 |
|
1501 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1502 |
REQ_SEND; |
1503 |
} |
1504 |
|
1505 |
void |
1506 |
db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef) |
1507 |
CODE: |
1508 |
{ |
1509 |
dREQ (REQ_C_DEL); |
1510 |
req->dbc = dbc; |
1511 |
req->uint1 = flags; |
1512 |
REQ_SEND; |
1513 |
} |
1514 |
|
1515 |
|
1516 |
void |
1517 |
db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
1518 |
CODE: |
1519 |
{ |
1520 |
dREQ (REQ_SEQ_OPEN); |
1521 |
req->seq = seq; |
1522 |
req->txn = txnid; |
1523 |
req->uint1 = flags | DB_THREAD; |
1524 |
sv_to_dbt (&req->dbt1, key); |
1525 |
REQ_SEND; |
1526 |
} |
1527 |
|
1528 |
void |
1529 |
db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef) |
1530 |
CODE: |
1531 |
{ |
1532 |
dREQ (REQ_SEQ_CLOSE); |
1533 |
req->seq = seq; |
1534 |
req->uint1 = flags; |
1535 |
REQ_SEND; |
1536 |
ptr_nuke (ST (0)); |
1537 |
} |
1538 |
|
1539 |
void |
1540 |
db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef) |
1541 |
CODE: |
1542 |
{ |
1543 |
dREQ (REQ_SEQ_GET); |
1544 |
req->seq = seq; |
1545 |
req->txn = txnid; |
1546 |
req->int1 = delta; |
1547 |
req->uint1 = flags; |
1548 |
req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value); |
1549 |
REQ_SEND; |
1550 |
} |
1551 |
|
1552 |
void |
1553 |
db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
1554 |
CODE: |
1555 |
{ |
1556 |
dREQ (REQ_SEQ_REMOVE); |
1557 |
req->seq = seq; |
1558 |
req->txn = txnid; |
1559 |
req->uint1 = flags; |
1560 |
REQ_SEND; |
1561 |
} |
1562 |
|
1563 |
|
1564 |
MODULE = BDB PACKAGE = BDB::Env |
1565 |
|
1566 |
void |
1567 |
DESTROY (DB_ENV_ornull *env) |
1568 |
CODE: |
1569 |
if (env) |
1570 |
env->close (env, 0); |
1571 |
|
1572 |
int set_data_dir (DB_ENV *env, const char *dir) |
1573 |
CODE: |
1574 |
RETVAL = env->set_data_dir (env, dir); |
1575 |
OUTPUT: |
1576 |
RETVAL |
1577 |
|
1578 |
int set_tmp_dir (DB_ENV *env, const char *dir) |
1579 |
CODE: |
1580 |
RETVAL = env->set_tmp_dir (env, dir); |
1581 |
OUTPUT: |
1582 |
RETVAL |
1583 |
|
1584 |
int set_lg_dir (DB_ENV *env, const char *dir) |
1585 |
CODE: |
1586 |
RETVAL = env->set_lg_dir (env, dir); |
1587 |
OUTPUT: |
1588 |
RETVAL |
1589 |
|
1590 |
int set_shm_key (DB_ENV *env, long shm_key) |
1591 |
CODE: |
1592 |
RETVAL = env->set_shm_key (env, shm_key); |
1593 |
OUTPUT: |
1594 |
RETVAL |
1595 |
|
1596 |
int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) |
1597 |
CODE: |
1598 |
RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); |
1599 |
OUTPUT: |
1600 |
RETVAL |
1601 |
|
1602 |
int set_flags (DB_ENV *env, U32 flags, int onoff) |
1603 |
CODE: |
1604 |
RETVAL = env->set_flags (env, flags, onoff); |
1605 |
OUTPUT: |
1606 |
RETVAL |
1607 |
|
1608 |
int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1609 |
CODE: |
1610 |
RETVAL = env->set_encrypt (env, password, flags); |
1611 |
OUTPUT: |
1612 |
RETVAL |
1613 |
|
1614 |
int set_timeout (DB_ENV *env, NV timeout, U32 flags) |
1615 |
CODE: |
1616 |
RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
1617 |
OUTPUT: |
1618 |
RETVAL |
1619 |
|
1620 |
int set_mp_max_openfd (DB_ENV *env, int maxopenfd); |
1621 |
CODE: |
1622 |
RETVAL = env->set_mp_max_openfd (env, maxopenfd); |
1623 |
OUTPUT: |
1624 |
RETVAL |
1625 |
|
1626 |
int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep); |
1627 |
CODE: |
1628 |
RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep); |
1629 |
OUTPUT: |
1630 |
RETVAL |
1631 |
|
1632 |
int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb) |
1633 |
CODE: |
1634 |
RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20); |
1635 |
OUTPUT: |
1636 |
RETVAL |
1637 |
|
1638 |
int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT) |
1639 |
CODE: |
1640 |
RETVAL = env->set_lk_detect (env, detect); |
1641 |
OUTPUT: |
1642 |
RETVAL |
1643 |
|
1644 |
int set_lk_max_lockers (DB_ENV *env, U32 max) |
1645 |
CODE: |
1646 |
RETVAL = env->set_lk_max_lockers (env, max); |
1647 |
OUTPUT: |
1648 |
RETVAL |
1649 |
|
1650 |
int set_lk_max_locks (DB_ENV *env, U32 max) |
1651 |
CODE: |
1652 |
RETVAL = env->set_lk_max_locks (env, max); |
1653 |
OUTPUT: |
1654 |
RETVAL |
1655 |
|
1656 |
int set_lk_max_objects (DB_ENV *env, U32 max) |
1657 |
CODE: |
1658 |
RETVAL = env->set_lk_max_objects (env, max); |
1659 |
OUTPUT: |
1660 |
RETVAL |
1661 |
|
1662 |
int set_lg_bsize (DB_ENV *env, U32 max) |
1663 |
CODE: |
1664 |
RETVAL = env->set_lg_bsize (env, max); |
1665 |
OUTPUT: |
1666 |
RETVAL |
1667 |
|
1668 |
int set_lg_max (DB_ENV *env, U32 max) |
1669 |
CODE: |
1670 |
RETVAL = env->set_lg_max (env, max); |
1671 |
OUTPUT: |
1672 |
RETVAL |
1673 |
|
1674 |
DB_TXN * |
1675 |
txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) |
1676 |
CODE: |
1677 |
errno = env->txn_begin (env, parent, &RETVAL, flags); |
1678 |
if (errno) |
1679 |
croak ("DB_ENV->txn_begin: %s", db_strerror (errno)); |
1680 |
OUTPUT: |
1681 |
RETVAL |
1682 |
|
1683 |
MODULE = BDB PACKAGE = BDB::Db |
1684 |
|
1685 |
void |
1686 |
DESTROY (DB_ornull *db) |
1687 |
CODE: |
1688 |
if (db) |
1689 |
{ |
1690 |
SV *env = (SV *)db->app_private; |
1691 |
db->close (db, 0); |
1692 |
SvREFCNT_dec (env); |
1693 |
} |
1694 |
|
1695 |
int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0) |
1696 |
CODE: |
1697 |
RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
1698 |
OUTPUT: |
1699 |
RETVAL |
1700 |
|
1701 |
int set_flags (DB *db, U32 flags); |
1702 |
CODE: |
1703 |
RETVAL = db->set_flags (db, flags); |
1704 |
OUTPUT: |
1705 |
RETVAL |
1706 |
|
1707 |
int set_encrypt (DB *db, const char *password, U32 flags) |
1708 |
CODE: |
1709 |
RETVAL = db->set_encrypt (db, password, flags); |
1710 |
OUTPUT: |
1711 |
RETVAL |
1712 |
|
1713 |
int set_lorder (DB *db, int lorder) |
1714 |
CODE: |
1715 |
RETVAL = db->set_lorder (db, lorder); |
1716 |
OUTPUT: |
1717 |
RETVAL |
1718 |
|
1719 |
int set_bt_minkey (DB *db, U32 minkey) |
1720 |
CODE: |
1721 |
RETVAL = db->set_bt_minkey (db, minkey); |
1722 |
OUTPUT: |
1723 |
RETVAL |
1724 |
|
1725 |
int set_re_delim(DB *db, int delim); |
1726 |
CODE: |
1727 |
RETVAL = db->set_re_delim (db, delim); |
1728 |
OUTPUT: |
1729 |
RETVAL |
1730 |
|
1731 |
int set_re_pad (DB *db, int re_pad) |
1732 |
CODE: |
1733 |
RETVAL = db->set_re_pad (db, re_pad); |
1734 |
OUTPUT: |
1735 |
RETVAL |
1736 |
|
1737 |
int set_re_source (DB *db, char *source) |
1738 |
CODE: |
1739 |
RETVAL = db->set_re_source (db, source); |
1740 |
OUTPUT: |
1741 |
RETVAL |
1742 |
|
1743 |
int set_re_len (DB *db, U32 re_len) |
1744 |
CODE: |
1745 |
RETVAL = db->set_re_len (db, re_len); |
1746 |
OUTPUT: |
1747 |
RETVAL |
1748 |
|
1749 |
int set_h_ffactor (DB *db, U32 h_ffactor) |
1750 |
CODE: |
1751 |
RETVAL = db->set_h_ffactor (db, h_ffactor); |
1752 |
OUTPUT: |
1753 |
RETVAL |
1754 |
|
1755 |
int set_h_nelem (DB *db, U32 h_nelem) |
1756 |
CODE: |
1757 |
RETVAL = db->set_h_nelem (db, h_nelem); |
1758 |
OUTPUT: |
1759 |
RETVAL |
1760 |
|
1761 |
int set_q_extentsize (DB *db, U32 extentsize) |
1762 |
CODE: |
1763 |
RETVAL = db->set_q_extentsize (db, extentsize); |
1764 |
OUTPUT: |
1765 |
RETVAL |
1766 |
|
1767 |
DBC * |
1768 |
cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0) |
1769 |
CODE: |
1770 |
errno = db->cursor (db, txn, &RETVAL, flags); |
1771 |
if (errno) |
1772 |
croak ("DB->cursor: %s", db_strerror (errno)); |
1773 |
OUTPUT: |
1774 |
RETVAL |
1775 |
|
1776 |
DB_SEQUENCE * |
1777 |
sequence (DB *db, U32 flags = 0) |
1778 |
CODE: |
1779 |
{ |
1780 |
errno = db_sequence_create (&RETVAL, db, flags); |
1781 |
if (errno) |
1782 |
croak ("db_sequence_create: %s", db_strerror (errno)); |
1783 |
} |
1784 |
OUTPUT: |
1785 |
RETVAL |
1786 |
|
1787 |
|
1788 |
MODULE = BDB PACKAGE = BDB::Txn |
1789 |
|
1790 |
void |
1791 |
DESTROY (DB_TXN_ornull *txn) |
1792 |
CODE: |
1793 |
if (txn) |
1794 |
txn->abort (txn); |
1795 |
|
1796 |
int set_timeout (DB_TXN *txn, NV timeout, U32 flags) |
1797 |
CODE: |
1798 |
RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
1799 |
OUTPUT: |
1800 |
RETVAL |
1801 |
|
1802 |
|
1803 |
MODULE = BDB PACKAGE = BDB::Cursor |
1804 |
|
1805 |
void |
1806 |
DESTROY (DBC_ornull *dbc) |
1807 |
CODE: |
1808 |
if (dbc) |
1809 |
dbc->c_close (dbc); |
1810 |
|
1811 |
MODULE = BDB PACKAGE = BDB::Sequence |
1812 |
|
1813 |
void |
1814 |
DESTROY (DB_SEQUENCE_ornull *seq) |
1815 |
CODE: |
1816 |
if (seq) |
1817 |
seq->close (seq, 0); |
1818 |
|
1819 |
int initial_value (DB_SEQUENCE *seq, db_seq_t value) |
1820 |
CODE: |
1821 |
RETVAL = seq->initial_value (seq, value); |
1822 |
OUTPUT: |
1823 |
RETVAL |
1824 |
|
1825 |
int set_cachesize (DB_SEQUENCE *seq, U32 size) |
1826 |
CODE: |
1827 |
RETVAL = seq->set_cachesize (seq, size); |
1828 |
OUTPUT: |
1829 |
RETVAL |
1830 |
|
1831 |
int set_flags (DB_SEQUENCE *seq, U32 flags) |
1832 |
CODE: |
1833 |
RETVAL = seq->set_flags (seq, flags); |
1834 |
OUTPUT: |
1835 |
RETVAL |
1836 |
|
1837 |
int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max) |
1838 |
CODE: |
1839 |
RETVAL = seq->set_range (seq, min, max); |
1840 |
OUTPUT: |
1841 |
RETVAL |
1842 |
|