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/cvs/BDB/BDB.xs
Revision: 1.74
Committed: Wed Mar 31 00:44:51 2010 UTC (14 years, 1 month ago) by root
Branch: MAIN
CVS Tags: rel-1_88
Changes since 1.73: +5 -5 lines
Log Message:
1.88

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 xmutex_t wrklock = X_MUTEX_INIT;
230
231 typedef struct worker {
232 /* locked by wrklock */
233 struct worker *prev, *next;
234
235 xthread_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 xmutex_t reslock = X_MUTEX_INIT;
263 static xmutex_t reqlock = X_MUTEX_INIT;
264 static xcond_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 #if DB_VERSION_MINOR < 8
1232 const_iv (XA_CREATE)
1233 #endif
1234 const_iv (BTREE)
1235 const_iv (HASH)
1236 const_iv (QUEUE)
1237 const_iv (RECNO)
1238 const_iv (UNKNOWN)
1239 const_iv (EXCL)
1240 const_iv (TRUNCATE)
1241 const_iv (NOSYNC)
1242 const_iv (CHKSUM)
1243 const_iv (ENCRYPT)
1244 const_iv (DUP)
1245 const_iv (DUPSORT)
1246 //const_iv (RECNUM)
1247 const_iv (RENUMBER)
1248 const_iv (REVSPLITOFF)
1249 const_iv (CONSUME)
1250 const_iv (CONSUME_WAIT)
1251 const_iv (GET_BOTH)
1252 const_iv (GET_BOTH_RANGE)
1253 //const_iv (SET_RECNO)
1254 //const_iv (MULTIPLE)
1255 const_iv (SNAPSHOT)
1256 const_iv (JOIN_ITEM)
1257 const_iv (JOIN_NOSORT)
1258 const_iv (RMW)
1259
1260 const_iv (NOTFOUND)
1261 const_iv (KEYEMPTY)
1262 const_iv (LOCK_DEADLOCK)
1263 const_iv (LOCK_NOTGRANTED)
1264 const_iv (RUNRECOVERY)
1265 const_iv (OLD_VERSION)
1266 const_iv (REP_HANDLE_DEAD)
1267 const_iv (SECONDARY_BAD)
1268
1269 const_iv (APPEND)
1270 const_iv (NODUPDATA)
1271 const_iv (NOOVERWRITE)
1272
1273 const_iv (TXN_NOWAIT)
1274 const_iv (TXN_SYNC)
1275
1276 const_iv (SET_LOCK_TIMEOUT)
1277 const_iv (SET_TXN_TIMEOUT)
1278
1279 const_iv (FIRST)
1280 const_iv (NEXT)
1281 const_iv (NEXT_DUP)
1282 const_iv (NEXT_NODUP)
1283 const_iv (PREV)
1284 const_iv (PREV_NODUP)
1285 const_iv (SET)
1286 const_iv (SET_RANGE)
1287 const_iv (LAST)
1288 const_iv (BEFORE)
1289 const_iv (AFTER)
1290 const_iv (CURRENT)
1291 const_iv (KEYFIRST)
1292 const_iv (KEYLAST)
1293 const_iv (NODUPDATA)
1294
1295 const_iv (FORCE)
1296
1297 const_iv (LOCK_DEFAULT)
1298 const_iv (LOCK_EXPIRE)
1299 const_iv (LOCK_MAXLOCKS)
1300 const_iv (LOCK_MINLOCKS)
1301 const_iv (LOCK_MINWRITE)
1302 const_iv (LOCK_OLDEST)
1303 const_iv (LOCK_RANDOM)
1304 const_iv (LOCK_YOUNGEST)
1305
1306 const_iv (DONOTINDEX)
1307 const_iv (KEYEMPTY)
1308 const_iv (KEYEXIST)
1309 const_iv (LOCK_DEADLOCK)
1310 const_iv (LOCK_NOTGRANTED)
1311 const_iv (NOSERVER)
1312 const_iv (NOSERVER_HOME)
1313 const_iv (NOSERVER_ID)
1314 const_iv (NOTFOUND)
1315 const_iv (PAGE_NOTFOUND)
1316 const_iv (REP_DUPMASTER)
1317 const_iv (REP_HANDLE_DEAD)
1318 const_iv (REP_HOLDELECTION)
1319 const_iv (REP_ISPERM)
1320 const_iv (REP_NEWMASTER)
1321 const_iv (REP_NEWSITE)
1322 const_iv (REP_NOTPERM)
1323 const_iv (REP_UNAVAIL)
1324 const_iv (RUNRECOVERY)
1325 const_iv (SECONDARY_BAD)
1326 const_iv (VERIFY_BAD)
1327
1328 const_iv (SALVAGE)
1329 const_iv (AGGRESSIVE)
1330 const_iv (PRINTABLE)
1331 const_iv (NOORDERCHK)
1332 const_iv (ORDERCHKONLY)
1333
1334 const_iv (ARCH_ABS)
1335 const_iv (ARCH_DATA)
1336 const_iv (ARCH_LOG)
1337 const_iv (ARCH_REMOVE)
1338
1339 const_iv (VERB_DEADLOCK)
1340 const_iv (VERB_RECOVERY)
1341 const_iv (VERB_REPLICATION)
1342 const_iv (VERB_WAITSFOR)
1343
1344 const_iv (VERSION_MAJOR)
1345 const_iv (VERSION_MINOR)
1346 const_iv (VERSION_PATCH)
1347 const_iv (LOGVERSION)
1348 const_iv (LOGOLDVER)
1349 #if DB_VERSION_MINOR >= 3
1350 const_iv (INORDER)
1351 const_iv (LOCK_MAXWRITE)
1352 const_iv (SEQ_DEC)
1353 const_iv (SEQ_INC)
1354 const_iv (SEQ_WRAP)
1355 const_iv (BUFFER_SMALL)
1356 const_iv (LOG_BUFFER_FULL)
1357 const_iv (VERSION_MISMATCH)
1358 #endif
1359 #if DB_VERSION_MINOR >= 4
1360 const_iv (REGISTER)
1361 const_iv (DSYNC_DB)
1362 const_iv (READ_COMMITTED)
1363 const_iv (READ_UNCOMMITTED)
1364 const_iv (REP_IGNORE)
1365 const_iv (REP_LOCKOUT)
1366 const_iv (REP_JOIN_FAILURE)
1367 const_iv (FREE_SPACE)
1368 const_iv (FREELIST_ONLY)
1369 const_iv (VERB_REGISTER)
1370 #endif
1371 #if DB_VERSION_MINOR >= 5
1372 const_iv (MULTIVERSION)
1373 const_iv (TXN_SNAPSHOT)
1374 #endif
1375 #if DB_VERSION_MINOR >= 6
1376 const_iv (PREV_DUP)
1377 const_iv (PRIORITY_UNCHANGED)
1378 const_iv (PRIORITY_VERY_LOW)
1379 const_iv (PRIORITY_LOW)
1380 const_iv (PRIORITY_DEFAULT)
1381 const_iv (PRIORITY_HIGH)
1382 const_iv (PRIORITY_VERY_HIGH)
1383 const_iv (IGNORE_LEASE)
1384 #endif
1385 #if DB_VERSION_MINOR >= 7
1386 //const_iv (MULTIPLE_KEY)
1387 const_iv (LOG_DIRECT)
1388 const_iv (LOG_DSYNC)
1389 const_iv (LOG_AUTO_REMOVE)
1390 const_iv (LOG_IN_MEMORY)
1391 const_iv (LOG_ZERO)
1392 #else
1393 const_iv (DIRECT_LOG)
1394 const_iv (LOG_AUTOREMOVE)
1395 # if DB_VERSION_MINOR >= 3
1396 const_iv (DSYNC_LOG)
1397 const_iv (LOG_INMEMORY)
1398 # endif
1399 #if DB_VERSION_MINOR >= 8
1400 const_iv (LOGVERSION_LATCHING)
1401 #endif
1402 #endif
1403 };
1404
1405 bdb_stash = gv_stashpv ("BDB" , 1);
1406 bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
1407 bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
1408 bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
1409 bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
1410 bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
1411
1412 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1413 newCONSTSUB (bdb_stash, (char *)civ->name, newSViv (civ->iv));
1414
1415 prepare_cb = &PL_sv_undef;
1416
1417 {
1418 /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1419 char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1420
1421 newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
1422 }
1423
1424 newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1425
1426 create_respipe ();
1427
1428 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1429 patch_errno ();
1430 }
1431
1432 void
1433 max_poll_reqs (int nreqs)
1434 PROTOTYPE: $
1435 CODE:
1436 max_poll_reqs = nreqs;
1437
1438 void
1439 max_poll_time (double nseconds)
1440 PROTOTYPE: $
1441 CODE:
1442 max_poll_time = nseconds * AIO_TICKS;
1443
1444 void
1445 min_parallel (int nthreads)
1446 PROTOTYPE: $
1447
1448 void
1449 max_parallel (int nthreads)
1450 PROTOTYPE: $
1451
1452 void
1453 max_idle (int nthreads)
1454 PROTOTYPE: $
1455 CODE:
1456 set_max_idle (nthreads);
1457
1458 int
1459 max_outstanding (int maxreqs)
1460 PROTOTYPE: $
1461 CODE:
1462 RETVAL = max_outstanding;
1463 max_outstanding = maxreqs;
1464 OUTPUT:
1465 RETVAL
1466
1467 int
1468 dbreq_pri (int pri = 0)
1469 PROTOTYPE: ;$
1470 CODE:
1471 RETVAL = next_pri - PRI_BIAS;
1472 if (items > 0)
1473 {
1474 if (pri < PRI_MIN) pri = PRI_MIN;
1475 if (pri > PRI_MAX) pri = PRI_MAX;
1476 next_pri = pri + PRI_BIAS;
1477 }
1478 OUTPUT:
1479 RETVAL
1480
1481 void
1482 dbreq_nice (int nice = 0)
1483 CODE:
1484 nice = next_pri - nice;
1485 if (nice < PRI_MIN) nice = PRI_MIN;
1486 if (nice > PRI_MAX) nice = PRI_MAX;
1487 next_pri = nice + PRI_BIAS;
1488
1489 void
1490 flush ()
1491 PROTOTYPE:
1492 CODE:
1493 while (nreqs)
1494 {
1495 poll_wait ();
1496 poll_cb ();
1497 }
1498
1499 int
1500 poll ()
1501 PROTOTYPE:
1502 CODE:
1503 poll_wait ();
1504 RETVAL = poll_cb ();
1505 OUTPUT:
1506 RETVAL
1507
1508 int
1509 poll_fileno ()
1510 PROTOTYPE:
1511 CODE:
1512 RETVAL = s_epipe_fd (&respipe);
1513 OUTPUT:
1514 RETVAL
1515
1516 int
1517 poll_cb (...)
1518 PROTOTYPE:
1519 CODE:
1520 RETVAL = poll_cb ();
1521 OUTPUT:
1522 RETVAL
1523
1524 void
1525 poll_wait ()
1526 PROTOTYPE:
1527 CODE:
1528 poll_wait ();
1529
1530 int
1531 nreqs ()
1532 PROTOTYPE:
1533 CODE:
1534 RETVAL = nreqs;
1535 OUTPUT:
1536 RETVAL
1537
1538 int
1539 nready ()
1540 PROTOTYPE:
1541 CODE:
1542 RETVAL = get_nready ();
1543 OUTPUT:
1544 RETVAL
1545
1546 int
1547 npending ()
1548 PROTOTYPE:
1549 CODE:
1550 RETVAL = get_npending ();
1551 OUTPUT:
1552 RETVAL
1553
1554 int
1555 nthreads ()
1556 PROTOTYPE:
1557 CODE:
1558 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1559 RETVAL = started;
1560 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1561 OUTPUT:
1562 RETVAL
1563
1564 SV *
1565 set_sync_prepare (SV *cb)
1566 PROTOTYPE: &
1567 CODE:
1568 RETVAL = prepare_cb;
1569 prepare_cb = newSVsv (cb);
1570 OUTPUT:
1571 RETVAL
1572
1573 char *
1574 strerror (int errorno = errno)
1575 PROTOTYPE: ;$
1576 CODE:
1577 RETVAL = db_strerror (errorno);
1578 OUTPUT:
1579 RETVAL
1580
1581 void _on_next_submit (SV *cb)
1582 CODE:
1583 SvREFCNT_dec (on_next_submit);
1584 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1585
1586 DB_ENV *
1587 db_env_create (U32 env_flags = 0)
1588 CODE:
1589 {
1590 errno = db_env_create (&RETVAL, env_flags);
1591 if (errno)
1592 croak ("db_env_create: %s", db_strerror (errno));
1593
1594 if (0)
1595 {
1596 RETVAL->set_errcall (RETVAL, debug_errcall);
1597 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1598 }
1599 }
1600 OUTPUT:
1601 RETVAL
1602
1603 void
1604 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1605 PREINIT:
1606 CALLBACK
1607 CODE:
1608 {
1609 dREQ (REQ_ENV_OPEN, 1);
1610 req->env = env;
1611 req->uint1 = open_flags | DB_THREAD;
1612 req->int1 = mode;
1613 req->buf1 = strdup_ornull (db_home);
1614 REQ_SEND;
1615 }
1616
1617 void
1618 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1619 PREINIT:
1620 CALLBACK
1621 CODE:
1622 {
1623 dREQ (REQ_ENV_CLOSE, 0);
1624 ptr_nuke (ST (0));
1625 req->env = env;
1626 req->uint1 = flags;
1627 REQ_SEND;
1628 }
1629
1630 void
1631 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1632 PREINIT:
1633 CALLBACK
1634 CODE:
1635 {
1636 dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1637 req->env = env;
1638 req->uint1 = kbyte;
1639 req->int1 = min;
1640 req->uint2 = flags;
1641 REQ_SEND;
1642 }
1643
1644 void
1645 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1646 PREINIT:
1647 CALLBACK
1648 CODE:
1649 {
1650 dREQ (REQ_ENV_LOCK_DETECT, 1);
1651 req->env = env;
1652 req->uint1 = flags;
1653 req->uint2 = atype;
1654 /* req->int2 = 0; dummy */
1655 REQ_SEND;
1656 }
1657
1658 void
1659 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1660 PREINIT:
1661 CALLBACK
1662 CODE:
1663 {
1664 dREQ (REQ_ENV_MEMP_SYNC, 1);
1665 req->env = env;
1666 REQ_SEND;
1667 }
1668
1669 void
1670 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1671 PREINIT:
1672 CALLBACK
1673 CODE:
1674 {
1675 dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1676 req->env = env;
1677 req->int1 = percent;
1678 REQ_SEND;
1679 }
1680
1681 void
1682 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1683 PREINIT:
1684 CALLBACK
1685 CODE:
1686 {
1687 dREQ (REQ_ENV_DBREMOVE, 2);
1688 req->env = env;
1689 req->buf1 = strdup_ornull (file);
1690 req->buf2 = strdup_ornull (database);
1691 req->uint1 = flags;
1692 REQ_SEND;
1693 }
1694
1695 void
1696 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)
1697 PREINIT:
1698 CALLBACK
1699 CODE:
1700 {
1701 dREQ (REQ_ENV_DBRENAME, 2);
1702 req->env = env;
1703 req->buf1 = strdup_ornull (file);
1704 req->buf2 = strdup_ornull (database);
1705 req->buf3 = strdup_ornull (newname);
1706 req->uint1 = flags;
1707 REQ_SEND;
1708 }
1709
1710 void
1711 db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
1712 PREINIT:
1713 CALLBACK
1714 CODE:
1715 {
1716 dREQ (REQ_ENV_LOG_ARCHIVE, 1);
1717 req->sv1 = SvREFCNT_inc (listp);
1718 req->env = env;
1719 req->uint1 = flags;
1720 REQ_SEND;
1721 }
1722
1723 DB *
1724 db_create (DB_ENV *env = 0, U32 flags = 0)
1725 CODE:
1726 {
1727 errno = db_create (&RETVAL, env, flags);
1728 if (errno)
1729 croak ("db_create: %s", db_strerror (errno));
1730
1731 if (RETVAL)
1732 RETVAL->app_private = (void *)newSVsv (ST (0));
1733 }
1734 OUTPUT:
1735 RETVAL
1736
1737 void
1738 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1739 PREINIT:
1740 CALLBACK
1741 CODE:
1742 {
1743 dREQ (REQ_DB_OPEN, 2);
1744 req->db = db;
1745 req->txn = txnid;
1746 req->buf1 = strdup_ornull (file);
1747 req->buf2 = strdup_ornull (database);
1748 req->int1 = type;
1749 req->uint1 = flags | DB_THREAD;
1750 req->int2 = mode;
1751 REQ_SEND;
1752 }
1753
1754 void
1755 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1756 PREINIT:
1757 CALLBACK
1758 CODE:
1759 {
1760 dREQ (REQ_DB_CLOSE, 0);
1761 ptr_nuke (ST (0));
1762 req->db = db;
1763 req->uint1 = flags;
1764 req->sv1 = (SV *)db->app_private;
1765 REQ_SEND;
1766 }
1767
1768 #if DB_VERSION_MINOR >= 4
1769
1770 void
1771 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)
1772 PREINIT:
1773 CALLBACK
1774 CODE:
1775 {
1776 dREQ (REQ_DB_COMPACT, 2);
1777 req->db = db;
1778 req->txn = txn;
1779 if (start) sv_to_dbt (&req->dbt1, start);
1780 if (stop ) sv_to_dbt (&req->dbt2, stop );
1781 req->uint1 = flags;
1782 REQ_SEND;
1783 }
1784
1785 #endif
1786
1787 void
1788 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1789 PREINIT:
1790 CALLBACK
1791 CODE:
1792 {
1793 dREQ (REQ_DB_SYNC, 1);
1794 req->db = db;
1795 req->uint1 = flags;
1796 REQ_SEND;
1797 }
1798
1799 void
1800 db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
1801 PREINIT:
1802 CALLBACK
1803 CODE:
1804 {
1805 dREQ (REQ_DB_VERIFY, 1);
1806 ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
1807 req->db = db;
1808 req->buf1 = strdup (file);
1809 req->buf2 = strdup_ornull (database);
1810 req->uint1 = flags;
1811 REQ_SEND;
1812 }
1813
1814 void
1815 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1816 PREINIT:
1817 CALLBACK
1818 CODE:
1819 {
1820 dREQ (REQ_DB_UPGRADE, 1);
1821 req->db = db;
1822 req->buf1 = strdup (file);
1823 req->uint1 = flags;
1824 REQ_SEND;
1825 }
1826
1827 void
1828 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1829 PREINIT:
1830 CALLBACK
1831 CODE:
1832 {
1833 dREQ (REQ_DB_KEY_RANGE, 2);
1834 req->db = db;
1835 req->txn = txn;
1836 sv_to_dbt (&req->dbt1, key);
1837 req->uint1 = flags;
1838 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1839 REQ_SEND;
1840 }
1841
1842 void
1843 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1844 PREINIT:
1845 CALLBACK
1846 CODE:
1847 {
1848 dREQ (REQ_DB_PUT, 2);
1849 req->db = db;
1850 req->txn = txn;
1851 sv_to_dbt (&req->dbt1, key);
1852 sv_to_dbt (&req->dbt2, data);
1853 req->uint1 = flags;
1854 REQ_SEND;
1855 }
1856
1857 #if DB_VERSION_MINOR >= 6
1858
1859 void
1860 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1861 PREINIT:
1862 CALLBACK
1863 CODE:
1864 {
1865 dREQ (REQ_DB_EXISTS, 2);
1866 req->db = db;
1867 req->txn = txn;
1868 req->uint1 = flags;
1869 sv_to_dbt (&req->dbt1, key);
1870 REQ_SEND;
1871 }
1872
1873 #endif
1874
1875 void
1876 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1877 PREINIT:
1878 CALLBACK
1879 CODE:
1880 {
1881 //TODO: key is somtimesmutable
1882 dREQ (REQ_DB_GET, 2);
1883 req->db = db;
1884 req->txn = txn;
1885 req->uint1 = flags;
1886 sv_to_dbt (&req->dbt1, key);
1887 req->dbt3.flags = DB_DBT_MALLOC;
1888 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1889 REQ_SEND;
1890 }
1891
1892 void
1893 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1894 PREINIT:
1895 CALLBACK
1896 CODE:
1897 {
1898 //TODO: key is somtimesmutable
1899 dREQ (REQ_DB_PGET, 2);
1900 req->db = db;
1901 req->txn = txn;
1902 req->uint1 = flags;
1903
1904 sv_to_dbt (&req->dbt1, key);
1905
1906 req->dbt2.flags = DB_DBT_MALLOC;
1907 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1908
1909 req->dbt3.flags = DB_DBT_MALLOC;
1910 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1911 REQ_SEND;
1912 }
1913
1914 void
1915 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1916 PREINIT:
1917 CALLBACK
1918 CODE:
1919 {
1920 dREQ (REQ_DB_DEL, 2);
1921 req->db = db;
1922 req->txn = txn;
1923 req->uint1 = flags;
1924 sv_to_dbt (&req->dbt1, key);
1925 REQ_SEND;
1926 }
1927
1928 void
1929 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1930 PREINIT:
1931 CALLBACK
1932 CODE:
1933 {
1934 dREQ (REQ_TXN_COMMIT, 0);
1935 ptr_nuke (ST (0));
1936 req->txn = txn;
1937 req->uint1 = flags;
1938 REQ_SEND;
1939 }
1940
1941 void
1942 db_txn_abort (DB_TXN *txn, SV *callback = 0)
1943 PREINIT:
1944 CALLBACK
1945 CODE:
1946 {
1947 dREQ (REQ_TXN_ABORT, 0);
1948 ptr_nuke (ST (0));
1949 req->txn = txn;
1950 REQ_SEND;
1951 }
1952
1953 void
1954 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1955 PREINIT:
1956 CALLBACK
1957 CODE:
1958 {
1959 dREQ (REQ_TXN_FINISH, 0);
1960 ptr_nuke (ST (0));
1961 req->txn = txn;
1962 req->uint1 = flags;
1963 REQ_SEND;
1964 }
1965
1966 void
1967 db_c_close (DBC *dbc, SV *callback = 0)
1968 PREINIT:
1969 CALLBACK
1970 CODE:
1971 {
1972 dREQ (REQ_C_CLOSE, 0);
1973 ptr_nuke (ST (0));
1974 req->dbc = dbc;
1975 REQ_SEND;
1976 }
1977
1978 void
1979 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
1980 PREINIT:
1981 CALLBACK
1982 CODE:
1983 {
1984 dREQ (REQ_C_COUNT, 1);
1985 req->dbc = dbc;
1986 req->sv1 = SvREFCNT_inc (count);
1987 REQ_SEND;
1988 }
1989
1990 void
1991 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1992 PREINIT:
1993 CALLBACK
1994 CODE:
1995 {
1996 dREQ (REQ_C_PUT, 1);
1997 req->dbc = dbc;
1998 sv_to_dbt (&req->dbt1, key);
1999 sv_to_dbt (&req->dbt2, data);
2000 req->uint1 = flags;
2001 REQ_SEND;
2002 }
2003
2004 void
2005 db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2006 PREINIT:
2007 CALLBACK
2008 CODE:
2009 {
2010 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2011 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
2012 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2013 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2014 "key",
2015 "BDB::db_c_get");
2016
2017 {
2018 dREQ (REQ_C_GET, 1);
2019 req->dbc = dbc;
2020 req->uint1 = flags;
2021 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2022 sv_to_dbt (&req->dbt1, key);
2023 else
2024 {
2025 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2026 sv_to_dbt (&req->dbt1, key);
2027 else
2028 req->dbt1.flags = DB_DBT_MALLOC;
2029
2030 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2031 }
2032
2033 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2034 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2035 sv_to_dbt (&req->dbt3, data);
2036 else
2037 req->dbt3.flags = DB_DBT_MALLOC;
2038
2039 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2040 REQ_SEND;
2041 }
2042 }
2043
2044 void
2045 db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2046 PREINIT:
2047 CALLBACK
2048 CODE:
2049 {
2050 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2051 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
2052 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2053 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2054 "key",
2055 "BDB::db_c_pget");
2056
2057 {
2058 dREQ (REQ_C_PGET, 1);
2059 req->dbc = dbc;
2060 req->uint1 = flags;
2061 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2062 sv_to_dbt (&req->dbt1, key);
2063 else
2064 {
2065 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2066 sv_to_dbt (&req->dbt1, key);
2067 else
2068 req->dbt1.flags = DB_DBT_MALLOC;
2069
2070 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2071 }
2072
2073 req->dbt2.flags = DB_DBT_MALLOC;
2074 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
2075
2076 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2077 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2078 sv_to_dbt (&req->dbt3, data);
2079 else
2080 req->dbt3.flags = DB_DBT_MALLOC;
2081
2082 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2083 REQ_SEND;
2084 }
2085 }
2086
2087 void
2088 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
2089 PREINIT:
2090 CALLBACK
2091 CODE:
2092 {
2093 dREQ (REQ_C_DEL, 1);
2094 req->dbc = dbc;
2095 req->uint1 = flags;
2096 REQ_SEND;
2097 }
2098
2099
2100 #if DB_VERSION_MINOR >= 3
2101
2102 void
2103 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
2104 PREINIT:
2105 CALLBACK
2106 CODE:
2107 {
2108 dREQ (REQ_SEQ_OPEN, 2);
2109 req->seq = seq;
2110 req->txn = txnid;
2111 req->uint1 = flags | DB_THREAD;
2112 sv_to_dbt (&req->dbt1, key);
2113 REQ_SEND;
2114 }
2115
2116 void
2117 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
2118 PREINIT:
2119 CALLBACK
2120 CODE:
2121 {
2122 dREQ (REQ_SEQ_CLOSE, 0);
2123 ptr_nuke (ST (0));
2124 req->seq = seq;
2125 req->uint1 = flags;
2126 REQ_SEND;
2127 }
2128
2129 void
2130 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2131 PREINIT:
2132 CALLBACK
2133 CODE:
2134 {
2135 dREQ (REQ_SEQ_GET, 2);
2136 req->seq = seq;
2137 req->txn = txnid;
2138 req->int1 = delta;
2139 req->uint1 = flags;
2140 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
2141 REQ_SEND;
2142 }
2143
2144 void
2145 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
2146 PREINIT:
2147 CALLBACK
2148 CODE:
2149 {
2150 dREQ (REQ_SEQ_REMOVE, 2);
2151 req->seq = seq;
2152 req->txn = txnid;
2153 req->uint1 = flags;
2154 REQ_SEND;
2155 }
2156
2157 #endif
2158
2159
2160 MODULE = BDB PACKAGE = BDB::Env
2161
2162 void
2163 DESTROY (DB_ENV_ornuked *env)
2164 CODE:
2165 if (env)
2166 env->close (env, 0);
2167
2168 int set_data_dir (DB_ENV *env, const char *dir)
2169 CODE:
2170 RETVAL = env->set_data_dir (env, dir);
2171 OUTPUT:
2172 RETVAL
2173
2174 int set_tmp_dir (DB_ENV *env, const char *dir)
2175 CODE:
2176 RETVAL = env->set_tmp_dir (env, dir);
2177 OUTPUT:
2178 RETVAL
2179
2180 int set_lg_dir (DB_ENV *env, const char *dir)
2181 CODE:
2182 RETVAL = env->set_lg_dir (env, dir);
2183 OUTPUT:
2184 RETVAL
2185
2186 int set_shm_key (DB_ENV *env, long shm_key)
2187 CODE:
2188 RETVAL = env->set_shm_key (env, shm_key);
2189 OUTPUT:
2190 RETVAL
2191
2192 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2193 CODE:
2194 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2195 OUTPUT:
2196 RETVAL
2197
2198 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2199 CODE:
2200 RETVAL = env->set_flags (env, flags, onoff);
2201 OUTPUT:
2202 RETVAL
2203
2204 #if DB_VERSION_MINOR >= 7
2205
2206 int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2207 CODE:
2208 RETVAL = env->set_intermediate_dir_mode (env, mode);
2209 OUTPUT:
2210 RETVAL
2211
2212 int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2213 CODE:
2214 RETVAL = env->log_set_config (env, flags, onoff);
2215 OUTPUT:
2216 RETVAL
2217
2218 #endif
2219
2220
2221 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2222 CODE:
2223 env->set_errfile (env, errfile);
2224
2225 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2226 CODE:
2227 env->set_msgfile (env, msgfile);
2228
2229 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2230 CODE:
2231 RETVAL = env->set_verbose (env, which, onoff);
2232 OUTPUT:
2233 RETVAL
2234
2235 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2236 CODE:
2237 RETVAL = env->set_encrypt (env, password, flags);
2238 OUTPUT:
2239 RETVAL
2240
2241 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2242 CODE:
2243 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2244 OUTPUT:
2245 RETVAL
2246
2247 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2248 CODE:
2249 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2250 OUTPUT:
2251 RETVAL
2252
2253 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2254 CODE:
2255 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2256 OUTPUT:
2257 RETVAL
2258
2259 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2260 CODE:
2261 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2262 OUTPUT:
2263 RETVAL
2264
2265 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2266 CODE:
2267 RETVAL = env->set_lk_detect (env, detect);
2268 OUTPUT:
2269 RETVAL
2270
2271 int set_lk_max_lockers (DB_ENV *env, U32 max)
2272 CODE:
2273 RETVAL = env->set_lk_max_lockers (env, max);
2274 OUTPUT:
2275 RETVAL
2276
2277 int set_lk_max_locks (DB_ENV *env, U32 max)
2278 CODE:
2279 RETVAL = env->set_lk_max_locks (env, max);
2280 OUTPUT:
2281 RETVAL
2282
2283 int set_lk_max_objects (DB_ENV *env, U32 max)
2284 CODE:
2285 RETVAL = env->set_lk_max_objects (env, max);
2286 OUTPUT:
2287 RETVAL
2288
2289 int set_lg_bsize (DB_ENV *env, U32 max)
2290 CODE:
2291 RETVAL = env->set_lg_bsize (env, max);
2292 OUTPUT:
2293 RETVAL
2294
2295 int set_lg_max (DB_ENV *env, U32 max)
2296 CODE:
2297 RETVAL = env->set_lg_max (env, max);
2298 OUTPUT:
2299 RETVAL
2300
2301 #if DB_VERSION_MINOR >= 4
2302
2303 int mutex_set_max (DB_ENV *env, U32 max)
2304 CODE:
2305 RETVAL = env->mutex_set_max (env, max);
2306 OUTPUT:
2307 RETVAL
2308
2309 int mutex_set_increment (DB_ENV *env, U32 increment)
2310 CODE:
2311 RETVAL = env->mutex_set_increment (env, increment);
2312 OUTPUT:
2313 RETVAL
2314
2315 int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2316 CODE:
2317 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2318 OUTPUT:
2319 RETVAL
2320
2321 int mutex_set_align (DB_ENV *env, U32 align)
2322 CODE:
2323 RETVAL = env->mutex_set_align (env, align);
2324 OUTPUT:
2325 RETVAL
2326
2327 #endif
2328
2329 DB_TXN *
2330 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2331 CODE:
2332 errno = env->txn_begin (env, parent, &RETVAL, flags);
2333 if (errno)
2334 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2335 OUTPUT:
2336 RETVAL
2337
2338 #if DB_VERSION_MINOR >= 5
2339
2340 DB_TXN *
2341 cdsgroup_begin (DB_ENV *env)
2342 CODE:
2343 errno = env->cdsgroup_begin (env, &RETVAL);
2344 if (errno)
2345 croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2346 OUTPUT:
2347 RETVAL
2348
2349 #endif
2350
2351 MODULE = BDB PACKAGE = BDB::Db
2352
2353 void
2354 DESTROY (DB_ornuked *db)
2355 CODE:
2356 if (db)
2357 {
2358 SV *env = (SV *)db->app_private;
2359 db->close (db, 0);
2360 SvREFCNT_dec (env);
2361 }
2362
2363 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2364 CODE:
2365 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2366 OUTPUT:
2367 RETVAL
2368
2369 int set_pagesize (DB *db, U32 pagesize)
2370 CODE:
2371 RETVAL = db->set_pagesize (db, pagesize);
2372 OUTPUT:
2373 RETVAL
2374
2375 int set_flags (DB *db, U32 flags)
2376 CODE:
2377 RETVAL = db->set_flags (db, flags);
2378 OUTPUT:
2379 RETVAL
2380
2381 int set_encrypt (DB *db, const char *password, U32 flags)
2382 CODE:
2383 RETVAL = db->set_encrypt (db, password, flags);
2384 OUTPUT:
2385 RETVAL
2386
2387 int set_lorder (DB *db, int lorder)
2388 CODE:
2389 RETVAL = db->set_lorder (db, lorder);
2390 OUTPUT:
2391 RETVAL
2392
2393 int set_bt_minkey (DB *db, U32 minkey)
2394 CODE:
2395 RETVAL = db->set_bt_minkey (db, minkey);
2396 OUTPUT:
2397 RETVAL
2398
2399 int set_re_delim (DB *db, int delim)
2400 CODE:
2401 RETVAL = db->set_re_delim (db, delim);
2402 OUTPUT:
2403 RETVAL
2404
2405 int set_re_pad (DB *db, int re_pad)
2406 CODE:
2407 RETVAL = db->set_re_pad (db, re_pad);
2408 OUTPUT:
2409 RETVAL
2410
2411 int set_re_source (DB *db, char *source)
2412 CODE:
2413 RETVAL = db->set_re_source (db, source);
2414 OUTPUT:
2415 RETVAL
2416
2417 int set_re_len (DB *db, U32 re_len)
2418 CODE:
2419 RETVAL = db->set_re_len (db, re_len);
2420 OUTPUT:
2421 RETVAL
2422
2423 int set_h_ffactor (DB *db, U32 h_ffactor)
2424 CODE:
2425 RETVAL = db->set_h_ffactor (db, h_ffactor);
2426 OUTPUT:
2427 RETVAL
2428
2429 int set_h_nelem (DB *db, U32 h_nelem)
2430 CODE:
2431 RETVAL = db->set_h_nelem (db, h_nelem);
2432 OUTPUT:
2433 RETVAL
2434
2435 int set_q_extentsize (DB *db, U32 extentsize)
2436 CODE:
2437 RETVAL = db->set_q_extentsize (db, extentsize);
2438 OUTPUT:
2439 RETVAL
2440
2441 DBC *
2442 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2443 CODE:
2444 errno = db->cursor (db, txn, &RETVAL, flags);
2445 if (errno)
2446 croak ("DB->cursor: %s", db_strerror (errno));
2447 OUTPUT:
2448 RETVAL
2449
2450 #if DB_VERSION_MINOR >= 3
2451
2452 DB_SEQUENCE *
2453 sequence (DB *db, U32 flags = 0)
2454 CODE:
2455 {
2456 errno = db_sequence_create (&RETVAL, db, flags);
2457 if (errno)
2458 croak ("db_sequence_create: %s", db_strerror (errno));
2459 }
2460 OUTPUT:
2461 RETVAL
2462
2463 #endif
2464
2465
2466 MODULE = BDB PACKAGE = BDB::Txn
2467
2468 void
2469 DESTROY (DB_TXN_ornuked *txn)
2470 CODE:
2471 if (txn)
2472 txn->abort (txn);
2473
2474 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2475 CODE:
2476 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2477 OUTPUT:
2478 RETVAL
2479
2480 int failed (DB_TXN *txn)
2481 CODE:
2482 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2483 OUTPUT:
2484 RETVAL
2485
2486
2487 MODULE = BDB PACKAGE = BDB::Cursor
2488
2489 void
2490 DESTROY (DBC_ornuked *dbc)
2491 CODE:
2492 if (dbc)
2493 dbc->c_close (dbc);
2494
2495 #if DB_VERSION_MINOR >= 6
2496
2497 int set_priority (DBC *dbc, int priority)
2498 CODE:
2499 dbc->set_priority (dbc, priority);
2500
2501 #endif
2502
2503 #if DB_VERSION_MINOR >= 3
2504
2505 MODULE = BDB PACKAGE = BDB::Sequence
2506
2507 void
2508 DESTROY (DB_SEQUENCE_ornuked *seq)
2509 CODE:
2510 if (seq)
2511 seq->close (seq, 0);
2512
2513 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2514 CODE:
2515 RETVAL = seq->initial_value (seq, value);
2516 OUTPUT:
2517 RETVAL
2518
2519 int set_cachesize (DB_SEQUENCE *seq, U32 size)
2520 CODE:
2521 RETVAL = seq->set_cachesize (seq, size);
2522 OUTPUT:
2523 RETVAL
2524
2525 int set_flags (DB_SEQUENCE *seq, U32 flags)
2526 CODE:
2527 RETVAL = seq->set_flags (seq, flags);
2528 OUTPUT:
2529 RETVAL
2530
2531 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2532 CODE:
2533 RETVAL = seq->set_range (seq, min, max);
2534 OUTPUT:
2535 RETVAL
2536
2537 #endif
2538
2539