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/cvs/BDB/BDB.xs
Revision: 1.72
Committed: Fri Dec 4 15:04:06 2009 UTC (14 years, 5 months ago) by root
Branch: MAIN
CVS Tags: rel-1_86
Changes since 1.71: +7 -7 lines
Log Message:
1.86

File Contents

# Content
1 #define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2
3 #include "xthread.h"
4
5 #include <errno.h>
6
7 #include "EXTERN.h"
8 #include "perl.h"
9 #include "XSUB.h"
10
11 #include "schmorp.h"
12
13 // perl stupidly defines these as argument-less macros, breaking
14 // lots and lots of code.
15 #undef open
16 #undef close
17 #undef abort
18 #undef malloc
19 #undef free
20 #undef send
21
22 #include <stddef.h>
23 #include <stdlib.h>
24 #include <errno.h>
25 #include <sys/types.h>
26 #include <limits.h>
27 #include <fcntl.h>
28
29 #ifndef _WIN32
30 # include <sys/time.h>
31 # include <unistd.h>
32 #endif
33
34 #include <db.h>
35
36 #if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
37 # error you need Berkeley DB 4.3 or a newer 4.x version installed
38 #endif
39
40 /* number of seconds after which idle threads exit */
41 #define IDLE_TIMEOUT 10
42
43 typedef SV SV_mutable;
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
50 typedef DB_ENV DB_ENV_ornuked;
51 typedef DB_TXN DB_TXN_ornuked;
52 typedef DBC DBC_ornuked;
53 typedef DB DB_ornuked;
54
55 #if DB_VERSION_MINOR >= 3
56 typedef DB_SEQUENCE DB_SEQUENCE_ornull;
57 typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
58 #endif
59
60 typedef char *bdb_filename;
61
62 static SV *prepare_cb;
63
64 static HV
65 *bdb_stash,
66 *bdb_env_stash,
67 *bdb_txn_stash,
68 *bdb_cursor_stash,
69 *bdb_db_stash,
70 *bdb_sequence_stash;
71
72 #if DB_VERSION_MINOR >= 6
73 # define c_close close
74 # define c_count count
75 # define c_del del
76 # define c_dup dup
77 # define c_get get
78 # define c_pget pget
79 # define c_put put
80 #endif
81
82 static char *
83 get_bdb_filename (SV *sv)
84 {
85 if (!SvOK (sv))
86 return 0;
87
88 #if _WIN32
89 /* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
90 {
91 STRLEN len;
92 char *src = SvPVbyte (sv, len);
93 SV *t1 = sv_newmortal ();
94 SV *t2 = sv_newmortal ();
95
96 sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
97 sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
98
99 len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
100 len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
101 SvPOK_only (t2);
102 SvPVX (t2)[len] = 0;
103 SvCUR_set (t2, len);
104
105 return SvPVX (t2);
106 }
107 #else
108 return SvPVbyte_nolen (sv);
109 #endif
110 }
111
112 static void
113 debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
114 {
115 printf ("err[%s]\n", msg);
116 }
117
118 static void
119 debug_msgcall (const DB_ENV *dbenv, const char *msg)
120 {
121 printf ("msg[%s]\n", msg);
122 }
123
124 static char *
125 strdup_ornull (const char *s)
126 {
127 return s ? strdup (s) : 0;
128 }
129
130 static void
131 sv_to_dbt (DBT *dbt, SV *sv)
132 {
133 STRLEN len;
134 char *data = SvPVbyte (sv, len);
135
136 dbt->data = malloc (len);
137 memcpy (dbt->data, data, len);
138 dbt->size = len;
139 dbt->flags = DB_DBT_REALLOC;
140 }
141
142 static void
143 dbt_to_sv (SV *sv, DBT *dbt)
144 {
145 if (sv)
146 {
147 SvREADONLY_off (sv);
148
149 if (dbt->data)
150 sv_setpvn_mg (sv, dbt->data, dbt->size);
151 else
152 sv_setsv_mg (sv, &PL_sv_undef);
153
154 SvREFCNT_dec (sv);
155 }
156
157 free (dbt->data);
158 }
159
160 enum {
161 REQ_QUIT,
162 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
163 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
164 REQ_ENV_LOG_ARCHIVE,
165 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
166 REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
167 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
168 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
169 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
170 };
171
172 typedef struct bdb_cb
173 {
174 struct bdb_cb *volatile next;
175 SV *callback;
176 int type, pri, result;
177
178 DB_ENV *env;
179 DB *db;
180 DB_TXN *txn;
181 DBC *dbc;
182
183 UV uv1;
184 int int1, int2;
185 U32 uint1, uint2;
186 char *buf1, *buf2, *buf3;
187 SV *sv1, *sv2, *sv3;
188
189 DBT dbt1, dbt2, dbt3;
190 DB_KEY_RANGE key_range;
191 #if DB_VERSION_MINOR >= 3
192 DB_SEQUENCE *seq;
193 db_seq_t seq_t;
194 #endif
195
196 SV *rsv1, *rsv2; // keep some request objects alive
197 } bdb_cb;
198
199 typedef bdb_cb *bdb_req;
200
201 enum {
202 PRI_MIN = -4,
203 PRI_MAX = 4,
204
205 DEFAULT_PRI = 0,
206 PRI_BIAS = -PRI_MIN,
207 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
208 };
209
210 #define AIO_TICKS ((1000000 + 1023) >> 10)
211
212 static SV *on_next_submit;
213
214 static unsigned int max_poll_time = 0;
215 static unsigned int max_poll_reqs = 0;
216
217 /* calculcate time difference in ~1/AIO_TICKS of a second */
218 static int tvdiff (struct timeval *tv1, struct timeval *tv2)
219 {
220 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
221 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
222 }
223
224 static int next_pri = DEFAULT_PRI + PRI_BIAS;
225
226 static unsigned int started, idle, wanted;
227
228 /* worker threads management */
229 static mutex_t wrklock = X_MUTEX_INIT;
230
231 typedef struct worker {
232 /* locked by wrklock */
233 struct worker *prev, *next;
234
235 thread_t tid;
236
237 /* locked by reslock, reqlock or wrklock */
238 bdb_req req; /* currently processed request */
239 void *dbuf;
240 DIR *dirp;
241 } worker;
242
243 static worker wrk_first = { &wrk_first, &wrk_first, 0 };
244
245 static void worker_clear (worker *wrk)
246 {
247 }
248
249 static void worker_free (worker *wrk)
250 {
251 wrk->next->prev = wrk->prev;
252 wrk->prev->next = wrk->next;
253
254 free (wrk);
255 }
256
257 static volatile unsigned int nreqs, nready, npending;
258 static volatile unsigned int max_idle = 4;
259 static volatile unsigned int max_outstanding = 0xffffffff;
260 static s_epipe respipe;
261
262 static mutex_t reslock = X_MUTEX_INIT;
263 static mutex_t reqlock = X_MUTEX_INIT;
264 static cond_t reqwait = X_COND_INIT;
265
266 #if WORDACCESS_UNSAFE
267
268 static unsigned int get_nready (void)
269 {
270 unsigned int retval;
271
272 X_LOCK (reqlock);
273 retval = nready;
274 X_UNLOCK (reqlock);
275
276 return retval;
277 }
278
279 static unsigned int get_npending (void)
280 {
281 unsigned int retval;
282
283 X_LOCK (reslock);
284 retval = npending;
285 X_UNLOCK (reslock);
286
287 return retval;
288 }
289
290 static unsigned int get_nthreads (void)
291 {
292 unsigned int retval;
293
294 X_LOCK (wrklock);
295 retval = started;
296 X_UNLOCK (wrklock);
297
298 return retval;
299 }
300
301 #else
302
303 # define get_nready() nready
304 # define get_npending() npending
305 # define get_nthreads() started
306
307 #endif
308
309 /*
310 * a somewhat faster data structure might be nice, but
311 * with 8 priorities this actually needs <20 insns
312 * per shift, the most expensive operation.
313 */
314 typedef struct {
315 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
316 int size;
317 } reqq;
318
319 static reqq req_queue;
320 static reqq res_queue;
321
322 int reqq_push (reqq *q, bdb_req req)
323 {
324 int pri = req->pri;
325 req->next = 0;
326
327 if (q->qe[pri])
328 {
329 q->qe[pri]->next = req;
330 q->qe[pri] = req;
331 }
332 else
333 q->qe[pri] = q->qs[pri] = req;
334
335 return q->size++;
336 }
337
338 bdb_req reqq_shift (reqq *q)
339 {
340 int pri;
341
342 if (!q->size)
343 return 0;
344
345 --q->size;
346
347 for (pri = NUM_PRI; pri--; )
348 {
349 bdb_req req = q->qs[pri];
350
351 if (req)
352 {
353 if (!(q->qs[pri] = req->next))
354 q->qe[pri] = 0;
355
356 return req;
357 }
358 }
359
360 abort ();
361 }
362
363 static int poll_cb (void);
364 static void req_free (bdb_req req);
365
366 static int req_invoke (bdb_req req)
367 {
368 switch (req->type)
369 {
370 case REQ_DB_CLOSE:
371 SvREFCNT_dec (req->sv1);
372 break;
373
374 case REQ_DB_GET:
375 case REQ_DB_PGET:
376 case REQ_C_GET:
377 case REQ_C_PGET:
378 case REQ_DB_PUT:
379 case REQ_C_PUT:
380 dbt_to_sv (req->sv1, &req->dbt1);
381 dbt_to_sv (req->sv2, &req->dbt2);
382 dbt_to_sv (req->sv3, &req->dbt3);
383 break;
384
385 case REQ_DB_KEY_RANGE:
386 {
387 AV *av = newAV ();
388
389 av_push (av, newSVnv (req->key_range.less));
390 av_push (av, newSVnv (req->key_range.equal));
391 av_push (av, newSVnv (req->key_range.greater));
392
393 av = (AV *)newRV_noinc ((SV *)av);
394
395 SvREADONLY_off (req->sv1);
396 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
397 SvREFCNT_dec (av);
398 SvREFCNT_dec (req->sv1);
399 }
400 break;
401
402 #if DB_VERSION_MINOR >= 3
403 case REQ_SEQ_GET:
404 SvREADONLY_off (req->sv1);
405
406 if (sizeof (IV) > 4)
407 sv_setiv_mg (req->sv1, (IV)req->seq_t);
408 else
409 sv_setnv_mg (req->sv1, (NV)req->seq_t);
410
411 SvREFCNT_dec (req->sv1);
412 break;
413 #endif
414
415 case REQ_ENV_LOG_ARCHIVE:
416 {
417 AV *av = newAV ();
418 char **listp = (char **)req->buf1;
419
420 if (listp)
421 while (*listp)
422 av_push (av, newSVpv (*listp, 0)), ++listp;
423
424 av = (AV *)newRV_noinc ((SV *)av);
425
426 SvREADONLY_off (req->sv1);
427 sv_setsv_mg (req->sv1, (SV *)av);
428 SvREFCNT_dec (av);
429 SvREFCNT_dec (req->sv1);
430 }
431 break;
432 }
433
434 errno = req->result;
435
436 if (req->callback)
437 {
438 dSP;
439
440 ENTER;
441 SAVETMPS;
442 PUSHMARK (SP);
443
444 PUTBACK;
445 call_sv (req->callback, G_VOID | G_EVAL);
446 SPAGAIN;
447
448 FREETMPS;
449 LEAVE;
450
451 return !SvTRUE (ERRSV);
452 }
453
454 return 1;
455 }
456
457 static void req_free (bdb_req req)
458 {
459 SvREFCNT_dec (req->callback);
460
461 SvREFCNT_dec (req->rsv1);
462 SvREFCNT_dec (req->rsv2);
463
464 free (req->buf1);
465 free (req->buf2);
466 free (req->buf3);
467
468 Safefree (req);
469 }
470
471 static void
472 create_respipe (void)
473 {
474 if (s_epipe_renew (&respipe))
475 croak ("BDB: unable to create event pipe");
476 }
477
478 static void bdb_request (bdb_req req);
479 X_THREAD_PROC (bdb_proc);
480
481 static void start_thread (void)
482 {
483 worker *wrk = calloc (1, sizeof (worker));
484
485 if (!wrk)
486 croak ("unable to allocate worker thread data");
487
488 X_LOCK (wrklock);
489 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
490 {
491 wrk->prev = &wrk_first;
492 wrk->next = wrk_first.next;
493 wrk_first.next->prev = wrk;
494 wrk_first.next = wrk;
495 ++started;
496 }
497 else
498 free (wrk);
499
500 X_UNLOCK (wrklock);
501 }
502
503 static void maybe_start_thread (void)
504 {
505 if (get_nthreads () >= wanted)
506 return;
507
508 /* todo: maybe use idle here, but might be less exact */
509 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
510 return;
511
512 start_thread ();
513 }
514
515 static void req_send (bdb_req req)
516 {
517 SV *wait_callback = 0;
518
519 if (on_next_submit)
520 {
521 dSP;
522 SV *cb = sv_2mortal (on_next_submit);
523
524 on_next_submit = 0;
525
526 PUSHMARK (SP);
527 PUTBACK;
528 call_sv (cb, G_DISCARD | G_EVAL);
529 SPAGAIN;
530 }
531
532 // synthesize callback if none given
533 if (!req->callback)
534 {
535 if (SvOK (prepare_cb))
536 {
537 int count;
538
539 dSP;
540 PUSHMARK (SP);
541 PUTBACK;
542 count = call_sv (prepare_cb, G_ARRAY);
543 SPAGAIN;
544
545 if (count != 2)
546 croak ("sync prepare callback must return exactly two values\n");
547
548 wait_callback = POPs;
549 req->callback = SvREFCNT_inc (POPs);
550 }
551 else
552 {
553 // execute request synchronously
554 bdb_request (req);
555 req_invoke (req);
556 req_free (req);
557 return;
558 }
559 }
560
561 ++nreqs;
562
563 X_LOCK (reqlock);
564 ++nready;
565 reqq_push (&req_queue, req);
566 X_COND_SIGNAL (reqwait);
567 X_UNLOCK (reqlock);
568
569 maybe_start_thread ();
570
571 if (wait_callback)
572 {
573 dSP;
574 PUSHMARK (SP);
575 PUTBACK;
576 call_sv (wait_callback, G_DISCARD);
577 }
578 }
579
580 static void end_thread (void)
581 {
582 bdb_req req = calloc (1, sizeof (bdb_cb));
583
584 req->type = REQ_QUIT;
585 req->pri = PRI_MAX + PRI_BIAS;
586
587 X_LOCK (reqlock);
588 reqq_push (&req_queue, req);
589 X_COND_SIGNAL (reqwait);
590 X_UNLOCK (reqlock);
591
592 X_LOCK (wrklock);
593 --started;
594 X_UNLOCK (wrklock);
595 }
596
597 static void set_max_idle (int nthreads)
598 {
599 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
600 max_idle = nthreads <= 0 ? 1 : nthreads;
601 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
602 }
603
604 static void min_parallel (int nthreads)
605 {
606 if (wanted < nthreads)
607 wanted = nthreads;
608 }
609
610 static void max_parallel (int nthreads)
611 {
612 if (wanted > nthreads)
613 wanted = nthreads;
614
615 while (started > wanted)
616 end_thread ();
617 }
618
619 static void poll_wait (void)
620 {
621 while (nreqs)
622 {
623 int size;
624 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
625 size = res_queue.size;
626 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
627
628 if (size)
629 return;
630
631 maybe_start_thread ();
632
633 s_epipe_wait (&respipe);
634 }
635 }
636
637 static int poll_cb (void)
638 {
639 dSP;
640 int count = 0;
641 int maxreqs = max_poll_reqs;
642 int do_croak = 0;
643 struct timeval tv_start, tv_now;
644 bdb_req req;
645
646 if (max_poll_time)
647 gettimeofday (&tv_start, 0);
648
649 for (;;)
650 {
651 for (;;)
652 {
653 maybe_start_thread ();
654
655 X_LOCK (reslock);
656 req = reqq_shift (&res_queue);
657
658 if (req)
659 {
660 --npending;
661
662 if (!res_queue.size)
663 /* read any signals sent by the worker threads */
664 s_epipe_drain (&respipe);
665 }
666
667 X_UNLOCK (reslock);
668
669 if (!req)
670 break;
671
672 --nreqs;
673
674 if (!req_invoke (req))
675 {
676 req_free (req);
677 croak (0);
678 }
679
680 count++;
681
682 req_free (req);
683
684 if (maxreqs && !--maxreqs)
685 break;
686
687 if (max_poll_time)
688 {
689 gettimeofday (&tv_now, 0);
690
691 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
692 break;
693 }
694 }
695
696 if (nreqs <= max_outstanding)
697 break;
698
699 poll_wait ();
700
701 ++maxreqs;
702 }
703
704 return count;
705 }
706
707 /*****************************************************************************/
708
709 static void
710 bdb_request (bdb_req req)
711 {
712 switch (req->type)
713 {
714 case REQ_ENV_OPEN:
715 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
716 break;
717
718 case REQ_ENV_CLOSE:
719 req->result = req->env->close (req->env, req->uint1);
720 break;
721
722 case REQ_ENV_TXN_CHECKPOINT:
723 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
724 break;
725
726 case REQ_ENV_LOCK_DETECT:
727 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
728 break;
729
730 case REQ_ENV_MEMP_SYNC:
731 req->result = req->env->memp_sync (req->env, 0);
732 break;
733
734 case REQ_ENV_MEMP_TRICKLE:
735 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
736 break;
737
738 case REQ_ENV_DBREMOVE:
739 req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
740 break;
741
742 case REQ_ENV_DBRENAME:
743 req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
744 break;
745
746 case REQ_DB_OPEN:
747 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
748 break;
749
750 case REQ_DB_CLOSE:
751 req->result = req->db->close (req->db, req->uint1);
752 break;
753
754 #if DB_VERSION_MINOR >= 4
755 case REQ_DB_COMPACT:
756 req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
757 break;
758 #endif
759
760 case REQ_DB_SYNC:
761 req->result = req->db->sync (req->db, req->uint1);
762 break;
763
764 case REQ_DB_VERIFY:
765 req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
766 break;
767
768 case REQ_DB_UPGRADE:
769 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
770 break;
771
772 case REQ_DB_PUT:
773 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
774 break;
775
776 #if DB_VERSION_MINOR >= 6
777 case REQ_DB_EXISTS:
778 req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
779 break;
780 #endif
781 case REQ_DB_GET:
782 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
783 break;
784
785 case REQ_DB_PGET:
786 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
787 break;
788
789 case REQ_DB_DEL:
790 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
791 break;
792
793 case REQ_DB_KEY_RANGE:
794 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
795 break;
796
797 case REQ_TXN_COMMIT:
798 req->result = req->txn->commit (req->txn, req->uint1);
799 break;
800
801 case REQ_TXN_ABORT:
802 req->result = req->txn->abort (req->txn);
803 break;
804
805 case REQ_TXN_FINISH:
806 if (req->txn->flags & TXN_DEADLOCK)
807 {
808 req->result = req->txn->abort (req->txn);
809 if (!req->result)
810 req->result = DB_LOCK_DEADLOCK;
811 }
812 else
813 req->result = req->txn->commit (req->txn, req->uint1);
814 break;
815
816 case REQ_C_CLOSE:
817 req->result = req->dbc->c_close (req->dbc);
818 break;
819
820 case REQ_C_COUNT:
821 {
822 db_recno_t recno;
823 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
824 req->uv1 = recno;
825 }
826 break;
827
828 case REQ_C_PUT:
829 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
830 break;
831
832 case REQ_C_GET:
833 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
834 break;
835
836 case REQ_C_PGET:
837 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
838 break;
839
840 case REQ_C_DEL:
841 req->result = req->dbc->c_del (req->dbc, req->uint1);
842 break;
843
844 #if DB_VERSION_MINOR >= 3
845 case REQ_SEQ_OPEN:
846 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
847 break;
848
849 case REQ_SEQ_CLOSE:
850 req->result = req->seq->close (req->seq, req->uint1);
851 break;
852
853 case REQ_SEQ_GET:
854 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
855 break;
856
857 case REQ_SEQ_REMOVE:
858 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
859 break;
860 #endif
861
862 case REQ_ENV_LOG_ARCHIVE:
863 {
864 char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
865 req->result = req->env->log_archive (req->env, &listp, req->uint1);
866 req->buf1 = (char *)listp;
867 }
868 break;
869
870 default:
871 req->result = ENOSYS;
872 break;
873 }
874
875 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
876 req->txn->flags |= TXN_DEADLOCK;
877 }
878
879 X_THREAD_PROC (bdb_proc)
880 {
881 bdb_req req;
882 struct timespec ts;
883 worker *self = (worker *)thr_arg;
884
885 /* try to distribute timeouts somewhat evenly */
886 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
887
888 for (;;)
889 {
890 ts.tv_sec = time (0) + IDLE_TIMEOUT;
891
892 X_LOCK (reqlock);
893
894 for (;;)
895 {
896 self->req = req = reqq_shift (&req_queue);
897
898 if (req)
899 break;
900
901 ++idle;
902
903 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
904 == ETIMEDOUT)
905 {
906 if (idle > max_idle)
907 {
908 --idle;
909 X_UNLOCK (reqlock);
910 X_LOCK (wrklock);
911 --started;
912 X_UNLOCK (wrklock);
913 goto quit;
914 }
915
916 /* we are allowed to idle, so do so without any timeout */
917 X_COND_WAIT (reqwait, reqlock);
918 ts.tv_sec = time (0) + IDLE_TIMEOUT;
919 }
920
921 --idle;
922 }
923
924 --nready;
925
926 X_UNLOCK (reqlock);
927
928 if (req->type == REQ_QUIT)
929 {
930 X_LOCK (reslock);
931 free (req);
932 self->req = 0;
933 X_UNLOCK (reslock);
934
935 goto quit;
936 }
937
938 bdb_request (req);
939
940 X_LOCK (reslock);
941
942 ++npending;
943
944 if (!reqq_push (&res_queue, req))
945 s_epipe_signal (&respipe);
946
947 self->req = 0;
948 worker_clear (self);
949
950 X_UNLOCK (reslock);
951 }
952
953 quit:
954 X_LOCK (wrklock);
955 worker_free (self);
956 X_UNLOCK (wrklock);
957
958 return 0;
959 }
960
961 /*****************************************************************************/
962
963 static void atfork_prepare (void)
964 {
965 X_LOCK (wrklock);
966 X_LOCK (reqlock);
967 X_LOCK (reslock);
968 }
969
970 static void atfork_parent (void)
971 {
972 X_UNLOCK (reslock);
973 X_UNLOCK (reqlock);
974 X_UNLOCK (wrklock);
975 }
976
977 static void atfork_child (void)
978 {
979 bdb_req prv;
980
981 while (prv = reqq_shift (&req_queue))
982 req_free (prv);
983
984 while (prv = reqq_shift (&res_queue))
985 req_free (prv);
986
987 while (wrk_first.next != &wrk_first)
988 {
989 worker *wrk = wrk_first.next;
990
991 if (wrk->req)
992 req_free (wrk->req);
993
994 worker_clear (wrk);
995 worker_free (wrk);
996 }
997
998 started = 0;
999 idle = 0;
1000 nreqs = 0;
1001 nready = 0;
1002 npending = 0;
1003
1004 create_respipe ();
1005
1006 atfork_parent ();
1007 }
1008
1009 #define dREQ(reqtype,rsvcnt) \
1010 bdb_req req; \
1011 int req_pri = next_pri; \
1012 next_pri = DEFAULT_PRI + PRI_BIAS; \
1013 \
1014 if (callback && SvOK (callback)) \
1015 croak ("callback has illegal type or extra arguments"); \
1016 \
1017 Newz (0, req, 1, bdb_cb); \
1018 if (!req) \
1019 croak ("out of memory during bdb_req allocation"); \
1020 \
1021 req->callback = SvREFCNT_inc (cb); \
1022 req->type = (reqtype); \
1023 req->pri = req_pri; \
1024 if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
1025 if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
1026 (void)0;
1027
1028 #define REQ_SEND \
1029 req_send (req)
1030
1031 #define SvPTR(var, arg, type, stash, class, nullok) \
1032 if (!SvOK (arg)) \
1033 { \
1034 if (nullok != 1) \
1035 croak (# var " must be a " # class " object, not undef"); \
1036 \
1037 (var) = 0; \
1038 } \
1039 else if (SvSTASH (SvRV (arg)) == stash || sv_derived_from ((arg), # class)) \
1040 { \
1041 IV tmp = SvIV ((SV*) SvRV (arg)); \
1042 (var) = INT2PTR (type, tmp); \
1043 if (!var && nullok != 2) \
1044 croak (# var " is not a valid " # class " object anymore"); \
1045 } \
1046 else \
1047 croak (# var " is not of type " # class);
1048
1049 #define ARG_MUTABLE(name) \
1050 if (SvREADONLY (name)) \
1051 croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
1052
1053 static SV *
1054 newSVptr (void *ptr, HV *stash)
1055 {
1056 SV *rv = NEWSV (0, 0);
1057 sv_upgrade (rv, SVt_PVMG);
1058 sv_setiv (rv, PTR2IV (ptr));
1059
1060 return sv_bless (newRV_noinc (rv), stash);
1061 }
1062
1063 static void
1064 ptr_nuke (SV *sv)
1065 {
1066 assert (SvROK (sv));
1067 sv_setiv (SvRV (sv), 0);
1068 }
1069
1070 static int
1071 errno_get (pTHX_ SV *sv, MAGIC *mg)
1072 {
1073 if (*mg->mg_ptr == '!') // should always be the case
1074 if (-30999 <= errno && errno <= -30800)
1075 {
1076 sv_setnv (sv, (NV)errno);
1077 sv_setpv (sv, db_strerror (errno));
1078 SvNOK_on (sv); /* what a wonderful hack! */
1079 // ^^^ copied from perl sources
1080 return 0;
1081 }
1082
1083 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1084 }
1085
1086 static MGVTBL vtbl_errno;
1087
1088 // this wonderful hack :( patches perl's $! variable to support our errno values
1089 static void
1090 patch_errno (void)
1091 {
1092 SV *sv;
1093 MAGIC *mg;
1094
1095 if (!(sv = get_sv ("!", 1)))
1096 return;
1097
1098 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1099 return;
1100
1101 if (mg->mg_virtual != &PL_vtbl_sv)
1102 return;
1103
1104 vtbl_errno = PL_vtbl_sv;
1105 vtbl_errno.svt_get = errno_get;
1106 mg->mg_virtual = &vtbl_errno;
1107 }
1108
1109 #if __GNUC__ >= 4
1110 # define noinline __attribute__ ((noinline))
1111 #else
1112 # define noinline
1113 #endif
1114
1115 static noinline SV *
1116 pop_callback (I32 *ritems, SV *sv)
1117 {
1118 if (SvROK (sv))
1119 {
1120 HV *st;
1121 GV *gvp;
1122 CV *cv;
1123 const char *name;
1124
1125 /* forgive me */
1126 if (SvTYPE (SvRV (sv)) == SVt_PVMG
1127 && (st = SvSTASH (SvRV (sv)))
1128 && (name = HvNAME_get (st))
1129 && (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
1130 return 0;
1131
1132 if ((cv = sv_2cv (sv, &st, &gvp, 0)))
1133 {
1134 --*ritems;
1135 return (SV *)cv;
1136 }
1137 }
1138
1139 return 0;
1140 }
1141
1142 /*****************************************************************************/
1143
1144 #if 0
1145 static int
1146 bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
1147 {
1148 ssize_t size1 = dbt1->size;
1149 ssize_t size2 = dbt2->size;
1150 int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
1151 size1 <= size2 ? size1 : size2);
1152
1153 if (res)
1154 return res;
1155 else if (size1 - size2)
1156 return size1 - size2;
1157 else
1158 return 0;
1159 }
1160
1161 static size_t
1162 bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
1163 {
1164 ssize_t size1 = dbt1->size;
1165 ssize_t size2 = dbt2->size;
1166 u_int8_t *p1 = (u_int8_t *)dbt1->data;
1167 u_int8_t *p2 = (u_int8_t *)dbt2->data;
1168 u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
1169
1170 while (p1 < pe)
1171 if (*p1++ != *p2++)
1172 return p1 - (u_int8_t *)dbt1->data - 1;
1173
1174 if (size1 < size2) return size1 + 1;
1175 if (size1 > size2) return size2 + 1;
1176
1177 return size1;
1178 }
1179 #endif
1180
1181 /*****************************************************************************/
1182
1183 /* stupid windows defines CALLBACK as well */
1184 #undef CALLBACK
1185 #define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1186
1187 MODULE = BDB PACKAGE = BDB
1188
1189 PROTOTYPES: ENABLE
1190
1191 BOOT:
1192 {
1193 static const struct {
1194 const char *name;
1195 IV iv;
1196 } *civ, const_iv[] = {
1197 #define const_iv(name) { # name, (IV)DB_ ## name },
1198 const_iv (RPCCLIENT)
1199 const_iv (INIT_CDB)
1200 const_iv (INIT_LOCK)
1201 const_iv (INIT_LOG)
1202 const_iv (INIT_MPOOL)
1203 const_iv (INIT_REP)
1204 const_iv (INIT_TXN)
1205 const_iv (RECOVER)
1206 const_iv (INIT_TXN)
1207 const_iv (RECOVER_FATAL)
1208 const_iv (CREATE)
1209 const_iv (RDONLY)
1210 const_iv (USE_ENVIRON)
1211 const_iv (USE_ENVIRON_ROOT)
1212 const_iv (LOCKDOWN)
1213 const_iv (PRIVATE)
1214 const_iv (SYSTEM_MEM)
1215 const_iv (AUTO_COMMIT)
1216 const_iv (CDB_ALLDB)
1217 const_iv (DIRECT_DB)
1218 const_iv (NOLOCKING)
1219 const_iv (NOMMAP)
1220 const_iv (NOPANIC)
1221 const_iv (OVERWRITE)
1222 const_iv (PANIC_ENVIRONMENT)
1223 const_iv (REGION_INIT)
1224 const_iv (TIME_NOTGRANTED)
1225 const_iv (TXN_NOSYNC)
1226 const_iv (TXN_NOT_DURABLE)
1227 const_iv (TXN_WRITE_NOSYNC)
1228 const_iv (WRITECURSOR)
1229 const_iv (YIELDCPU)
1230 const_iv (ENCRYPT_AES)
1231 const_iv (XA_CREATE)
1232 const_iv (BTREE)
1233 const_iv (HASH)
1234 const_iv (QUEUE)
1235 const_iv (RECNO)
1236 const_iv (UNKNOWN)
1237 const_iv (EXCL)
1238 const_iv (TRUNCATE)
1239 const_iv (NOSYNC)
1240 const_iv (CHKSUM)
1241 const_iv (ENCRYPT)
1242 const_iv (DUP)
1243 const_iv (DUPSORT)
1244 //const_iv (RECNUM)
1245 const_iv (RENUMBER)
1246 const_iv (REVSPLITOFF)
1247 const_iv (CONSUME)
1248 const_iv (CONSUME_WAIT)
1249 const_iv (GET_BOTH)
1250 const_iv (GET_BOTH_RANGE)
1251 //const_iv (SET_RECNO)
1252 //const_iv (MULTIPLE)
1253 const_iv (SNAPSHOT)
1254 const_iv (JOIN_ITEM)
1255 const_iv (JOIN_NOSORT)
1256 const_iv (RMW)
1257
1258 const_iv (NOTFOUND)
1259 const_iv (KEYEMPTY)
1260 const_iv (LOCK_DEADLOCK)
1261 const_iv (LOCK_NOTGRANTED)
1262 const_iv (RUNRECOVERY)
1263 const_iv (OLD_VERSION)
1264 const_iv (REP_HANDLE_DEAD)
1265 const_iv (SECONDARY_BAD)
1266
1267 const_iv (APPEND)
1268 const_iv (NODUPDATA)
1269 const_iv (NOOVERWRITE)
1270
1271 const_iv (TXN_NOWAIT)
1272 const_iv (TXN_SYNC)
1273
1274 const_iv (SET_LOCK_TIMEOUT)
1275 const_iv (SET_TXN_TIMEOUT)
1276
1277 const_iv (FIRST)
1278 const_iv (NEXT)
1279 const_iv (NEXT_DUP)
1280 const_iv (NEXT_NODUP)
1281 const_iv (PREV)
1282 const_iv (PREV_NODUP)
1283 const_iv (SET)
1284 const_iv (SET_RANGE)
1285 const_iv (LAST)
1286 const_iv (BEFORE)
1287 const_iv (AFTER)
1288 const_iv (CURRENT)
1289 const_iv (KEYFIRST)
1290 const_iv (KEYLAST)
1291 const_iv (NODUPDATA)
1292
1293 const_iv (FORCE)
1294
1295 const_iv (LOCK_DEFAULT)
1296 const_iv (LOCK_EXPIRE)
1297 const_iv (LOCK_MAXLOCKS)
1298 const_iv (LOCK_MINLOCKS)
1299 const_iv (LOCK_MINWRITE)
1300 const_iv (LOCK_OLDEST)
1301 const_iv (LOCK_RANDOM)
1302 const_iv (LOCK_YOUNGEST)
1303
1304 const_iv (DONOTINDEX)
1305 const_iv (KEYEMPTY )
1306 const_iv (KEYEXIST )
1307 const_iv (LOCK_DEADLOCK)
1308 const_iv (LOCK_NOTGRANTED)
1309 const_iv (NOSERVER)
1310 const_iv (NOSERVER_HOME)
1311 const_iv (NOSERVER_ID)
1312 const_iv (NOTFOUND)
1313 const_iv (PAGE_NOTFOUND)
1314 const_iv (REP_DUPMASTER)
1315 const_iv (REP_HANDLE_DEAD)
1316 const_iv (REP_HOLDELECTION)
1317 const_iv (REP_ISPERM)
1318 const_iv (REP_NEWMASTER)
1319 const_iv (REP_NEWSITE)
1320 const_iv (REP_NOTPERM)
1321 const_iv (REP_UNAVAIL)
1322 const_iv (RUNRECOVERY)
1323 const_iv (SECONDARY_BAD)
1324 const_iv (VERIFY_BAD)
1325
1326 const_iv (SALVAGE)
1327 const_iv (AGGRESSIVE)
1328 const_iv (PRINTABLE)
1329 const_iv (NOORDERCHK)
1330 const_iv (ORDERCHKONLY)
1331
1332 const_iv (ARCH_ABS)
1333 const_iv (ARCH_DATA)
1334 const_iv (ARCH_LOG)
1335 const_iv (ARCH_REMOVE)
1336
1337 const_iv (VERB_DEADLOCK)
1338 const_iv (VERB_RECOVERY)
1339 const_iv (VERB_REPLICATION)
1340 const_iv (VERB_WAITSFOR)
1341
1342 const_iv (VERSION_MAJOR)
1343 const_iv (VERSION_MINOR)
1344 const_iv (VERSION_PATCH)
1345 #if DB_VERSION_MINOR >= 3
1346 const_iv (INORDER)
1347 const_iv (LOCK_MAXWRITE)
1348 const_iv (SEQ_DEC)
1349 const_iv (SEQ_INC)
1350 const_iv (SEQ_WRAP)
1351 const_iv (BUFFER_SMALL)
1352 const_iv (LOG_BUFFER_FULL)
1353 const_iv (VERSION_MISMATCH)
1354 #endif
1355 #if DB_VERSION_MINOR >= 4
1356 const_iv (REGISTER)
1357 const_iv (DSYNC_DB)
1358 const_iv (READ_COMMITTED)
1359 const_iv (READ_UNCOMMITTED)
1360 const_iv (REP_IGNORE)
1361 const_iv (REP_LOCKOUT)
1362 const_iv (REP_JOIN_FAILURE)
1363 const_iv (FREE_SPACE)
1364 const_iv (FREELIST_ONLY)
1365 const_iv (VERB_REGISTER)
1366 #endif
1367 #if DB_VERSION_MINOR >= 5
1368 const_iv (MULTIVERSION)
1369 const_iv (TXN_SNAPSHOT)
1370 #endif
1371 #if DB_VERSION_MINOR >= 6
1372 const_iv (PREV_DUP)
1373 const_iv (PRIORITY_UNCHANGED)
1374 const_iv (PRIORITY_VERY_LOW)
1375 const_iv (PRIORITY_LOW)
1376 const_iv (PRIORITY_DEFAULT)
1377 const_iv (PRIORITY_HIGH)
1378 const_iv (PRIORITY_VERY_HIGH)
1379 const_iv (IGNORE_LEASE)
1380 #endif
1381 #if DB_VERSION_MINOR >= 7
1382 //const_iv (MULTIPLE_KEY)
1383 const_iv (LOG_DIRECT)
1384 const_iv (LOG_DSYNC)
1385 const_iv (LOG_AUTO_REMOVE)
1386 const_iv (LOG_IN_MEMORY)
1387 const_iv (LOG_ZERO)
1388 #else
1389 const_iv (DIRECT_LOG)
1390 const_iv (LOG_AUTOREMOVE)
1391 # if DB_VERSION_MINOR >= 3
1392 const_iv (DSYNC_LOG)
1393 const_iv (LOG_INMEMORY)
1394 # endif
1395 #endif
1396 };
1397
1398 bdb_stash = gv_stashpv ("BDB" , 1);
1399 bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
1400 bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
1401 bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
1402 bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
1403 bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
1404
1405 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1406 newCONSTSUB (bdb_stash, (char *)civ->name, newSViv (civ->iv));
1407
1408 prepare_cb = &PL_sv_undef;
1409
1410 {
1411 /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1412 char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1413
1414 newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
1415 }
1416
1417 newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1418
1419 create_respipe ();
1420
1421 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1422 patch_errno ();
1423 }
1424
1425 void
1426 max_poll_reqs (int nreqs)
1427 PROTOTYPE: $
1428 CODE:
1429 max_poll_reqs = nreqs;
1430
1431 void
1432 max_poll_time (double nseconds)
1433 PROTOTYPE: $
1434 CODE:
1435 max_poll_time = nseconds * AIO_TICKS;
1436
1437 void
1438 min_parallel (int nthreads)
1439 PROTOTYPE: $
1440
1441 void
1442 max_parallel (int nthreads)
1443 PROTOTYPE: $
1444
1445 void
1446 max_idle (int nthreads)
1447 PROTOTYPE: $
1448 CODE:
1449 set_max_idle (nthreads);
1450
1451 int
1452 max_outstanding (int maxreqs)
1453 PROTOTYPE: $
1454 CODE:
1455 RETVAL = max_outstanding;
1456 max_outstanding = maxreqs;
1457 OUTPUT:
1458 RETVAL
1459
1460 int
1461 dbreq_pri (int pri = 0)
1462 PROTOTYPE: ;$
1463 CODE:
1464 RETVAL = next_pri - PRI_BIAS;
1465 if (items > 0)
1466 {
1467 if (pri < PRI_MIN) pri = PRI_MIN;
1468 if (pri > PRI_MAX) pri = PRI_MAX;
1469 next_pri = pri + PRI_BIAS;
1470 }
1471 OUTPUT:
1472 RETVAL
1473
1474 void
1475 dbreq_nice (int nice = 0)
1476 CODE:
1477 nice = next_pri - nice;
1478 if (nice < PRI_MIN) nice = PRI_MIN;
1479 if (nice > PRI_MAX) nice = PRI_MAX;
1480 next_pri = nice + PRI_BIAS;
1481
1482 void
1483 flush ()
1484 PROTOTYPE:
1485 CODE:
1486 while (nreqs)
1487 {
1488 poll_wait ();
1489 poll_cb ();
1490 }
1491
1492 int
1493 poll ()
1494 PROTOTYPE:
1495 CODE:
1496 poll_wait ();
1497 RETVAL = poll_cb ();
1498 OUTPUT:
1499 RETVAL
1500
1501 int
1502 poll_fileno ()
1503 PROTOTYPE:
1504 CODE:
1505 RETVAL = s_epipe_fd (&respipe);
1506 OUTPUT:
1507 RETVAL
1508
1509 int
1510 poll_cb (...)
1511 PROTOTYPE:
1512 CODE:
1513 RETVAL = poll_cb ();
1514 OUTPUT:
1515 RETVAL
1516
1517 void
1518 poll_wait ()
1519 PROTOTYPE:
1520 CODE:
1521 poll_wait ();
1522
1523 int
1524 nreqs ()
1525 PROTOTYPE:
1526 CODE:
1527 RETVAL = nreqs;
1528 OUTPUT:
1529 RETVAL
1530
1531 int
1532 nready ()
1533 PROTOTYPE:
1534 CODE:
1535 RETVAL = get_nready ();
1536 OUTPUT:
1537 RETVAL
1538
1539 int
1540 npending ()
1541 PROTOTYPE:
1542 CODE:
1543 RETVAL = get_npending ();
1544 OUTPUT:
1545 RETVAL
1546
1547 int
1548 nthreads ()
1549 PROTOTYPE:
1550 CODE:
1551 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1552 RETVAL = started;
1553 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1554 OUTPUT:
1555 RETVAL
1556
1557 SV *
1558 set_sync_prepare (SV *cb)
1559 PROTOTYPE: &
1560 CODE:
1561 RETVAL = prepare_cb;
1562 prepare_cb = newSVsv (cb);
1563 OUTPUT:
1564 RETVAL
1565
1566 char *
1567 strerror (int errorno = errno)
1568 PROTOTYPE: ;$
1569 CODE:
1570 RETVAL = db_strerror (errorno);
1571 OUTPUT:
1572 RETVAL
1573
1574 void _on_next_submit (SV *cb)
1575 CODE:
1576 SvREFCNT_dec (on_next_submit);
1577 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1578
1579 DB_ENV *
1580 db_env_create (U32 env_flags = 0)
1581 CODE:
1582 {
1583 errno = db_env_create (&RETVAL, env_flags);
1584 if (errno)
1585 croak ("db_env_create: %s", db_strerror (errno));
1586
1587 if (0)
1588 {
1589 RETVAL->set_errcall (RETVAL, debug_errcall);
1590 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1591 }
1592 }
1593 OUTPUT:
1594 RETVAL
1595
1596 void
1597 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1598 PREINIT:
1599 CALLBACK
1600 CODE:
1601 {
1602 dREQ (REQ_ENV_OPEN, 1);
1603 req->env = env;
1604 req->uint1 = open_flags | DB_THREAD;
1605 req->int1 = mode;
1606 req->buf1 = strdup_ornull (db_home);
1607 REQ_SEND;
1608 }
1609
1610 void
1611 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1612 PREINIT:
1613 CALLBACK
1614 CODE:
1615 {
1616 dREQ (REQ_ENV_CLOSE, 0);
1617 ptr_nuke (ST (0));
1618 req->env = env;
1619 req->uint1 = flags;
1620 REQ_SEND;
1621 }
1622
1623 void
1624 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1625 PREINIT:
1626 CALLBACK
1627 CODE:
1628 {
1629 dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1630 req->env = env;
1631 req->uint1 = kbyte;
1632 req->int1 = min;
1633 req->uint2 = flags;
1634 REQ_SEND;
1635 }
1636
1637 void
1638 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1639 PREINIT:
1640 CALLBACK
1641 CODE:
1642 {
1643 dREQ (REQ_ENV_LOCK_DETECT, 1);
1644 req->env = env;
1645 req->uint1 = flags;
1646 req->uint2 = atype;
1647 /* req->int2 = 0; dummy */
1648 REQ_SEND;
1649 }
1650
1651 void
1652 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1653 PREINIT:
1654 CALLBACK
1655 CODE:
1656 {
1657 dREQ (REQ_ENV_MEMP_SYNC, 1);
1658 req->env = env;
1659 REQ_SEND;
1660 }
1661
1662 void
1663 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1664 PREINIT:
1665 CALLBACK
1666 CODE:
1667 {
1668 dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1669 req->env = env;
1670 req->int1 = percent;
1671 REQ_SEND;
1672 }
1673
1674 void
1675 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1676 PREINIT:
1677 CALLBACK
1678 CODE:
1679 {
1680 dREQ (REQ_ENV_DBREMOVE, 2);
1681 req->env = env;
1682 req->buf1 = strdup_ornull (file);
1683 req->buf2 = strdup_ornull (database);
1684 req->uint1 = flags;
1685 REQ_SEND;
1686 }
1687
1688 void
1689 db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
1690 PREINIT:
1691 CALLBACK
1692 CODE:
1693 {
1694 dREQ (REQ_ENV_DBRENAME, 2);
1695 req->env = env;
1696 req->buf1 = strdup_ornull (file);
1697 req->buf2 = strdup_ornull (database);
1698 req->buf3 = strdup_ornull (newname);
1699 req->uint1 = flags;
1700 REQ_SEND;
1701 }
1702
1703 void
1704 db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
1705 PREINIT:
1706 CALLBACK
1707 CODE:
1708 {
1709 dREQ (REQ_ENV_LOG_ARCHIVE, 1);
1710 req->sv1 = SvREFCNT_inc (listp);
1711 req->env = env;
1712 req->uint1 = flags;
1713 REQ_SEND;
1714 }
1715
1716 DB *
1717 db_create (DB_ENV *env = 0, U32 flags = 0)
1718 CODE:
1719 {
1720 errno = db_create (&RETVAL, env, flags);
1721 if (errno)
1722 croak ("db_create: %s", db_strerror (errno));
1723
1724 if (RETVAL)
1725 RETVAL->app_private = (void *)newSVsv (ST (0));
1726 }
1727 OUTPUT:
1728 RETVAL
1729
1730 void
1731 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1732 PREINIT:
1733 CALLBACK
1734 CODE:
1735 {
1736 dREQ (REQ_DB_OPEN, 2);
1737 req->db = db;
1738 req->txn = txnid;
1739 req->buf1 = strdup_ornull (file);
1740 req->buf2 = strdup_ornull (database);
1741 req->int1 = type;
1742 req->uint1 = flags | DB_THREAD;
1743 req->int2 = mode;
1744 REQ_SEND;
1745 }
1746
1747 void
1748 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1749 PREINIT:
1750 CALLBACK
1751 CODE:
1752 {
1753 dREQ (REQ_DB_CLOSE, 0);
1754 ptr_nuke (ST (0));
1755 req->db = db;
1756 req->uint1 = flags;
1757 req->sv1 = (SV *)db->app_private;
1758 REQ_SEND;
1759 }
1760
1761 #if DB_VERSION_MINOR >= 4
1762
1763 void
1764 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 = 0)
1765 PREINIT:
1766 CALLBACK
1767 CODE:
1768 {
1769 dREQ (REQ_DB_COMPACT, 2);
1770 req->db = db;
1771 req->txn = txn;
1772 if (start) sv_to_dbt (&req->dbt1, start);
1773 if (stop ) sv_to_dbt (&req->dbt2, stop );
1774 req->uint1 = flags;
1775 REQ_SEND;
1776 }
1777
1778 #endif
1779
1780 void
1781 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1782 PREINIT:
1783 CALLBACK
1784 CODE:
1785 {
1786 dREQ (REQ_DB_SYNC, 1);
1787 req->db = db;
1788 req->uint1 = flags;
1789 REQ_SEND;
1790 }
1791
1792 void
1793 db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
1794 PREINIT:
1795 CALLBACK
1796 CODE:
1797 {
1798 dREQ (REQ_DB_VERIFY, 1);
1799 ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
1800 req->db = db;
1801 req->buf1 = strdup (file);
1802 req->buf2 = strdup_ornull (database);
1803 req->uint1 = flags;
1804 REQ_SEND;
1805 }
1806
1807 void
1808 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1809 PREINIT:
1810 CALLBACK
1811 CODE:
1812 {
1813 dREQ (REQ_DB_UPGRADE, 1);
1814 req->db = db;
1815 req->buf1 = strdup (file);
1816 req->uint1 = flags;
1817 REQ_SEND;
1818 }
1819
1820 void
1821 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1822 PREINIT:
1823 CALLBACK
1824 CODE:
1825 {
1826 dREQ (REQ_DB_KEY_RANGE, 2);
1827 req->db = db;
1828 req->txn = txn;
1829 sv_to_dbt (&req->dbt1, key);
1830 req->uint1 = flags;
1831 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1832 REQ_SEND;
1833 }
1834
1835 void
1836 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1837 PREINIT:
1838 CALLBACK
1839 CODE:
1840 {
1841 dREQ (REQ_DB_PUT, 2);
1842 req->db = db;
1843 req->txn = txn;
1844 sv_to_dbt (&req->dbt1, key);
1845 sv_to_dbt (&req->dbt2, data);
1846 req->uint1 = flags;
1847 REQ_SEND;
1848 }
1849
1850 #if DB_VERSION_MINOR >= 6
1851
1852 void
1853 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1854 PREINIT:
1855 CALLBACK
1856 CODE:
1857 {
1858 dREQ (REQ_DB_EXISTS, 2);
1859 req->db = db;
1860 req->txn = txn;
1861 req->uint1 = flags;
1862 sv_to_dbt (&req->dbt1, key);
1863 REQ_SEND;
1864 }
1865
1866 #endif
1867
1868 void
1869 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1870 PREINIT:
1871 CALLBACK
1872 CODE:
1873 {
1874 //TODO: key is somtimesmutable
1875 dREQ (REQ_DB_GET, 2);
1876 req->db = db;
1877 req->txn = txn;
1878 req->uint1 = flags;
1879 sv_to_dbt (&req->dbt1, key);
1880 req->dbt3.flags = DB_DBT_MALLOC;
1881 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1882 REQ_SEND;
1883 }
1884
1885 void
1886 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1887 PREINIT:
1888 CALLBACK
1889 CODE:
1890 {
1891 //TODO: key is somtimesmutable
1892 dREQ (REQ_DB_PGET, 2);
1893 req->db = db;
1894 req->txn = txn;
1895 req->uint1 = flags;
1896
1897 sv_to_dbt (&req->dbt1, key);
1898
1899 req->dbt2.flags = DB_DBT_MALLOC;
1900 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1901
1902 req->dbt3.flags = DB_DBT_MALLOC;
1903 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1904 REQ_SEND;
1905 }
1906
1907 void
1908 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1909 PREINIT:
1910 CALLBACK
1911 CODE:
1912 {
1913 dREQ (REQ_DB_DEL, 2);
1914 req->db = db;
1915 req->txn = txn;
1916 req->uint1 = flags;
1917 sv_to_dbt (&req->dbt1, key);
1918 REQ_SEND;
1919 }
1920
1921 void
1922 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1923 PREINIT:
1924 CALLBACK
1925 CODE:
1926 {
1927 dREQ (REQ_TXN_COMMIT, 0);
1928 ptr_nuke (ST (0));
1929 req->txn = txn;
1930 req->uint1 = flags;
1931 REQ_SEND;
1932 }
1933
1934 void
1935 db_txn_abort (DB_TXN *txn, SV *callback = 0)
1936 PREINIT:
1937 CALLBACK
1938 CODE:
1939 {
1940 dREQ (REQ_TXN_ABORT, 0);
1941 ptr_nuke (ST (0));
1942 req->txn = txn;
1943 REQ_SEND;
1944 }
1945
1946 void
1947 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1948 PREINIT:
1949 CALLBACK
1950 CODE:
1951 {
1952 dREQ (REQ_TXN_FINISH, 0);
1953 ptr_nuke (ST (0));
1954 req->txn = txn;
1955 req->uint1 = flags;
1956 REQ_SEND;
1957 }
1958
1959 void
1960 db_c_close (DBC *dbc, SV *callback = 0)
1961 PREINIT:
1962 CALLBACK
1963 CODE:
1964 {
1965 dREQ (REQ_C_CLOSE, 0);
1966 ptr_nuke (ST (0));
1967 req->dbc = dbc;
1968 REQ_SEND;
1969 }
1970
1971 void
1972 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
1973 PREINIT:
1974 CALLBACK
1975 CODE:
1976 {
1977 dREQ (REQ_C_COUNT, 1);
1978 req->dbc = dbc;
1979 req->sv1 = SvREFCNT_inc (count);
1980 REQ_SEND;
1981 }
1982
1983 void
1984 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1985 PREINIT:
1986 CALLBACK
1987 CODE:
1988 {
1989 dREQ (REQ_C_PUT, 1);
1990 req->dbc = dbc;
1991 sv_to_dbt (&req->dbt1, key);
1992 sv_to_dbt (&req->dbt2, data);
1993 req->uint1 = flags;
1994 REQ_SEND;
1995 }
1996
1997 void
1998 db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1999 PREINIT:
2000 CALLBACK
2001 CODE:
2002 {
2003 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2004 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
2005 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2006 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2007 "key",
2008 "BDB::db_c_get");
2009
2010 {
2011 dREQ (REQ_C_GET, 1);
2012 req->dbc = dbc;
2013 req->uint1 = flags;
2014 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2015 sv_to_dbt (&req->dbt1, key);
2016 else
2017 {
2018 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2019 sv_to_dbt (&req->dbt1, key);
2020 else
2021 req->dbt1.flags = DB_DBT_MALLOC;
2022
2023 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2024 }
2025
2026 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2027 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2028 sv_to_dbt (&req->dbt3, data);
2029 else
2030 req->dbt3.flags = DB_DBT_MALLOC;
2031
2032 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2033 REQ_SEND;
2034 }
2035 }
2036
2037 void
2038 db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2039 PREINIT:
2040 CALLBACK
2041 CODE:
2042 {
2043 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2044 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
2045 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2046 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2047 "key",
2048 "BDB::db_c_pget");
2049
2050 {
2051 dREQ (REQ_C_PGET, 1);
2052 req->dbc = dbc;
2053 req->uint1 = flags;
2054 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2055 sv_to_dbt (&req->dbt1, key);
2056 else
2057 {
2058 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2059 sv_to_dbt (&req->dbt1, key);
2060 else
2061 req->dbt1.flags = DB_DBT_MALLOC;
2062
2063 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2064 }
2065
2066 req->dbt2.flags = DB_DBT_MALLOC;
2067 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
2068
2069 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2070 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2071 sv_to_dbt (&req->dbt3, data);
2072 else
2073 req->dbt3.flags = DB_DBT_MALLOC;
2074
2075 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2076 REQ_SEND;
2077 }
2078 }
2079
2080 void
2081 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
2082 PREINIT:
2083 CALLBACK
2084 CODE:
2085 {
2086 dREQ (REQ_C_DEL, 1);
2087 req->dbc = dbc;
2088 req->uint1 = flags;
2089 REQ_SEND;
2090 }
2091
2092
2093 #if DB_VERSION_MINOR >= 3
2094
2095 void
2096 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
2097 PREINIT:
2098 CALLBACK
2099 CODE:
2100 {
2101 dREQ (REQ_SEQ_OPEN, 2);
2102 req->seq = seq;
2103 req->txn = txnid;
2104 req->uint1 = flags | DB_THREAD;
2105 sv_to_dbt (&req->dbt1, key);
2106 REQ_SEND;
2107 }
2108
2109 void
2110 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
2111 PREINIT:
2112 CALLBACK
2113 CODE:
2114 {
2115 dREQ (REQ_SEQ_CLOSE, 0);
2116 ptr_nuke (ST (0));
2117 req->seq = seq;
2118 req->uint1 = flags;
2119 REQ_SEND;
2120 }
2121
2122 void
2123 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2124 PREINIT:
2125 CALLBACK
2126 CODE:
2127 {
2128 dREQ (REQ_SEQ_GET, 2);
2129 req->seq = seq;
2130 req->txn = txnid;
2131 req->int1 = delta;
2132 req->uint1 = flags;
2133 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
2134 REQ_SEND;
2135 }
2136
2137 void
2138 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
2139 PREINIT:
2140 CALLBACK
2141 CODE:
2142 {
2143 dREQ (REQ_SEQ_REMOVE, 2);
2144 req->seq = seq;
2145 req->txn = txnid;
2146 req->uint1 = flags;
2147 REQ_SEND;
2148 }
2149
2150 #endif
2151
2152
2153 MODULE = BDB PACKAGE = BDB::Env
2154
2155 void
2156 DESTROY (DB_ENV_ornuked *env)
2157 CODE:
2158 if (env)
2159 env->close (env, 0);
2160
2161 int set_data_dir (DB_ENV *env, const char *dir)
2162 CODE:
2163 RETVAL = env->set_data_dir (env, dir);
2164 OUTPUT:
2165 RETVAL
2166
2167 int set_tmp_dir (DB_ENV *env, const char *dir)
2168 CODE:
2169 RETVAL = env->set_tmp_dir (env, dir);
2170 OUTPUT:
2171 RETVAL
2172
2173 int set_lg_dir (DB_ENV *env, const char *dir)
2174 CODE:
2175 RETVAL = env->set_lg_dir (env, dir);
2176 OUTPUT:
2177 RETVAL
2178
2179 int set_shm_key (DB_ENV *env, long shm_key)
2180 CODE:
2181 RETVAL = env->set_shm_key (env, shm_key);
2182 OUTPUT:
2183 RETVAL
2184
2185 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2186 CODE:
2187 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2188 OUTPUT:
2189 RETVAL
2190
2191 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2192 CODE:
2193 RETVAL = env->set_flags (env, flags, onoff);
2194 OUTPUT:
2195 RETVAL
2196
2197 #if DB_VERSION_MINOR >= 7
2198
2199 int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2200 CODE:
2201 RETVAL = env->set_intermediate_dir_mode (env, mode);
2202 OUTPUT:
2203 RETVAL
2204
2205 int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2206 CODE:
2207 RETVAL = env->log_set_config (env, flags, onoff);
2208 OUTPUT:
2209 RETVAL
2210
2211 #endif
2212
2213
2214 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2215 CODE:
2216 env->set_errfile (env, errfile);
2217
2218 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2219 CODE:
2220 env->set_msgfile (env, msgfile);
2221
2222 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2223 CODE:
2224 RETVAL = env->set_verbose (env, which, onoff);
2225 OUTPUT:
2226 RETVAL
2227
2228 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2229 CODE:
2230 RETVAL = env->set_encrypt (env, password, flags);
2231 OUTPUT:
2232 RETVAL
2233
2234 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2235 CODE:
2236 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2237 OUTPUT:
2238 RETVAL
2239
2240 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2241 CODE:
2242 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2243 OUTPUT:
2244 RETVAL
2245
2246 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2247 CODE:
2248 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2249 OUTPUT:
2250 RETVAL
2251
2252 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2253 CODE:
2254 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2255 OUTPUT:
2256 RETVAL
2257
2258 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2259 CODE:
2260 RETVAL = env->set_lk_detect (env, detect);
2261 OUTPUT:
2262 RETVAL
2263
2264 int set_lk_max_lockers (DB_ENV *env, U32 max)
2265 CODE:
2266 RETVAL = env->set_lk_max_lockers (env, max);
2267 OUTPUT:
2268 RETVAL
2269
2270 int set_lk_max_locks (DB_ENV *env, U32 max)
2271 CODE:
2272 RETVAL = env->set_lk_max_locks (env, max);
2273 OUTPUT:
2274 RETVAL
2275
2276 int set_lk_max_objects (DB_ENV *env, U32 max)
2277 CODE:
2278 RETVAL = env->set_lk_max_objects (env, max);
2279 OUTPUT:
2280 RETVAL
2281
2282 int set_lg_bsize (DB_ENV *env, U32 max)
2283 CODE:
2284 RETVAL = env->set_lg_bsize (env, max);
2285 OUTPUT:
2286 RETVAL
2287
2288 int set_lg_max (DB_ENV *env, U32 max)
2289 CODE:
2290 RETVAL = env->set_lg_max (env, max);
2291 OUTPUT:
2292 RETVAL
2293
2294 #if DB_VERSION_MINOR >= 4
2295
2296 int mutex_set_max (DB_ENV *env, U32 max)
2297 CODE:
2298 RETVAL = env->mutex_set_max (env, max);
2299 OUTPUT:
2300 RETVAL
2301
2302 int mutex_set_increment (DB_ENV *env, U32 increment)
2303 CODE:
2304 RETVAL = env->mutex_set_increment (env, increment);
2305 OUTPUT:
2306 RETVAL
2307
2308 int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2309 CODE:
2310 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2311 OUTPUT:
2312 RETVAL
2313
2314 int mutex_set_align (DB_ENV *env, U32 align)
2315 CODE:
2316 RETVAL = env->mutex_set_align (env, align);
2317 OUTPUT:
2318 RETVAL
2319
2320 #endif
2321
2322 DB_TXN *
2323 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2324 CODE:
2325 errno = env->txn_begin (env, parent, &RETVAL, flags);
2326 if (errno)
2327 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2328 OUTPUT:
2329 RETVAL
2330
2331 #if DB_VERSION_MINOR >= 5
2332
2333 DB_TXN *
2334 cdsgroup_begin (DB_ENV *env)
2335 CODE:
2336 errno = env->cdsgroup_begin (env, &RETVAL);
2337 if (errno)
2338 croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2339 OUTPUT:
2340 RETVAL
2341
2342 #endif
2343
2344 MODULE = BDB PACKAGE = BDB::Db
2345
2346 void
2347 DESTROY (DB_ornuked *db)
2348 CODE:
2349 if (db)
2350 {
2351 SV *env = (SV *)db->app_private;
2352 db->close (db, 0);
2353 SvREFCNT_dec (env);
2354 }
2355
2356 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2357 CODE:
2358 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2359 OUTPUT:
2360 RETVAL
2361
2362 int set_pagesize (DB *db, U32 pagesize)
2363 CODE:
2364 RETVAL = db->set_pagesize (db, pagesize);
2365 OUTPUT:
2366 RETVAL
2367
2368 int set_flags (DB *db, U32 flags)
2369 CODE:
2370 RETVAL = db->set_flags (db, flags);
2371 OUTPUT:
2372 RETVAL
2373
2374 int set_encrypt (DB *db, const char *password, U32 flags)
2375 CODE:
2376 RETVAL = db->set_encrypt (db, password, flags);
2377 OUTPUT:
2378 RETVAL
2379
2380 int set_lorder (DB *db, int lorder)
2381 CODE:
2382 RETVAL = db->set_lorder (db, lorder);
2383 OUTPUT:
2384 RETVAL
2385
2386 int set_bt_minkey (DB *db, U32 minkey)
2387 CODE:
2388 RETVAL = db->set_bt_minkey (db, minkey);
2389 OUTPUT:
2390 RETVAL
2391
2392 int set_re_delim (DB *db, int delim)
2393 CODE:
2394 RETVAL = db->set_re_delim (db, delim);
2395 OUTPUT:
2396 RETVAL
2397
2398 int set_re_pad (DB *db, int re_pad)
2399 CODE:
2400 RETVAL = db->set_re_pad (db, re_pad);
2401 OUTPUT:
2402 RETVAL
2403
2404 int set_re_source (DB *db, char *source)
2405 CODE:
2406 RETVAL = db->set_re_source (db, source);
2407 OUTPUT:
2408 RETVAL
2409
2410 int set_re_len (DB *db, U32 re_len)
2411 CODE:
2412 RETVAL = db->set_re_len (db, re_len);
2413 OUTPUT:
2414 RETVAL
2415
2416 int set_h_ffactor (DB *db, U32 h_ffactor)
2417 CODE:
2418 RETVAL = db->set_h_ffactor (db, h_ffactor);
2419 OUTPUT:
2420 RETVAL
2421
2422 int set_h_nelem (DB *db, U32 h_nelem)
2423 CODE:
2424 RETVAL = db->set_h_nelem (db, h_nelem);
2425 OUTPUT:
2426 RETVAL
2427
2428 int set_q_extentsize (DB *db, U32 extentsize)
2429 CODE:
2430 RETVAL = db->set_q_extentsize (db, extentsize);
2431 OUTPUT:
2432 RETVAL
2433
2434 DBC *
2435 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2436 CODE:
2437 errno = db->cursor (db, txn, &RETVAL, flags);
2438 if (errno)
2439 croak ("DB->cursor: %s", db_strerror (errno));
2440 OUTPUT:
2441 RETVAL
2442
2443 #if DB_VERSION_MINOR >= 3
2444
2445 DB_SEQUENCE *
2446 sequence (DB *db, U32 flags = 0)
2447 CODE:
2448 {
2449 errno = db_sequence_create (&RETVAL, db, flags);
2450 if (errno)
2451 croak ("db_sequence_create: %s", db_strerror (errno));
2452 }
2453 OUTPUT:
2454 RETVAL
2455
2456 #endif
2457
2458
2459 MODULE = BDB PACKAGE = BDB::Txn
2460
2461 void
2462 DESTROY (DB_TXN_ornuked *txn)
2463 CODE:
2464 if (txn)
2465 txn->abort (txn);
2466
2467 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2468 CODE:
2469 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2470 OUTPUT:
2471 RETVAL
2472
2473 int failed (DB_TXN *txn)
2474 CODE:
2475 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2476 OUTPUT:
2477 RETVAL
2478
2479
2480 MODULE = BDB PACKAGE = BDB::Cursor
2481
2482 void
2483 DESTROY (DBC_ornuked *dbc)
2484 CODE:
2485 if (dbc)
2486 dbc->c_close (dbc);
2487
2488 #if DB_VERSION_MINOR >= 6
2489
2490 int set_priority (DBC *dbc, int priority)
2491 CODE:
2492 dbc->set_priority (dbc, priority);
2493
2494 #endif
2495
2496 #if DB_VERSION_MINOR >= 3
2497
2498 MODULE = BDB PACKAGE = BDB::Sequence
2499
2500 void
2501 DESTROY (DB_SEQUENCE_ornuked *seq)
2502 CODE:
2503 if (seq)
2504 seq->close (seq, 0);
2505
2506 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2507 CODE:
2508 RETVAL = seq->initial_value (seq, value);
2509 OUTPUT:
2510 RETVAL
2511
2512 int set_cachesize (DB_SEQUENCE *seq, U32 size)
2513 CODE:
2514 RETVAL = seq->set_cachesize (seq, size);
2515 OUTPUT:
2516 RETVAL
2517
2518 int set_flags (DB_SEQUENCE *seq, U32 flags)
2519 CODE:
2520 RETVAL = seq->set_flags (seq, flags);
2521 OUTPUT:
2522 RETVAL
2523
2524 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2525 CODE:
2526 RETVAL = seq->set_range (seq, min, max);
2527 OUTPUT:
2528 RETVAL
2529
2530 #endif
2531
2532