ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/BDB/BDB.xs
Revision: 1.57
Committed: Mon Sep 29 03:01:54 2008 UTC (15 years, 7 months ago) by root
Branch: MAIN
CVS Tags: rel-1_801
Changes since 1.56: +53 -49 lines
Log Message:
1.801

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 // perl stupidly defines these as macros, breaking
12 // lots and lots of code.
13 #undef open
14 #undef close
15 #undef abort
16 #undef malloc
17 #undef free
18 #undef send
19
20 #include <stddef.h>
21 #include <stdlib.h>
22 #include <errno.h>
23 #include <sys/types.h>
24 #include <limits.h>
25 #include <fcntl.h>
26
27 #ifndef _WIN32
28 # include <sys/time.h>
29 # include <unistd.h>
30 #endif
31
32 #include <db.h>
33
34 #if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
35 # error you need Berkeley DB 4.3 or a newer 4.x version installed
36 #endif
37
38 /* number of seconds after which idle threads exit */
39 #define IDLE_TIMEOUT 10
40
41 typedef SV SV_mutable;
42
43 typedef DB_ENV DB_ENV_ornull;
44 typedef DB_TXN DB_TXN_ornull;
45 typedef DBC DBC_ornull;
46 typedef DB DB_ornull;
47
48 typedef DB_ENV DB_ENV_ornuked;
49 typedef DB_TXN DB_TXN_ornuked;
50 typedef DBC DBC_ornuked;
51 typedef DB DB_ornuked;
52
53 #if DB_VERSION_MINOR >= 3
54 typedef DB_SEQUENCE DB_SEQUENCE_ornull;
55 typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
56 #endif
57
58 typedef SV SV8; /* byte-sv, used for argument-checking */
59 typedef char *bdb_filename;
60
61 static SV *prepare_cb;
62
63 #if DB_VERSION_MINOR >= 6
64 # define c_close close
65 # define c_count count
66 # define c_del del
67 # define c_dup dup
68 # define c_get get
69 # define c_pget pget
70 # define c_put put
71 #endif
72
73 static char *
74 get_bdb_filename (SV *sv)
75 {
76 if (!SvOK (sv))
77 return 0;
78
79 #if _WIN32
80 /* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
81 {
82 STRLEN len;
83 char *src = SvPVbyte (sv, len);
84 SV *t1 = sv_newmortal ();
85 SV *t2 = sv_newmortal ();
86
87 sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
88 sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
89
90 len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
91 len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
92 SvPOK_only (t2);
93 SvPVX (t2)[len] = 0;
94 SvCUR_set (t2, len);
95
96 return SvPVX (t2);
97 }
98 #else
99 return SvPVbyte_nolen (sv);
100 #endif
101 }
102
103 static void
104 debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
105 {
106 printf ("err[%s]\n", msg);
107 }
108
109 static void
110 debug_msgcall (const DB_ENV *dbenv, const char *msg)
111 {
112 printf ("msg[%s]\n", msg);
113 }
114
115 static char *
116 strdup_ornull (const char *s)
117 {
118 return s ? strdup (s) : 0;
119 }
120
121 static void
122 sv_to_dbt (DBT *dbt, SV *sv)
123 {
124 STRLEN len;
125 char *data = SvPVbyte (sv, len);
126
127 dbt->data = malloc (len);
128 memcpy (dbt->data, data, len);
129 dbt->size = len;
130 dbt->flags = DB_DBT_REALLOC;
131 }
132
133 static void
134 dbt_to_sv (SV *sv, DBT *dbt)
135 {
136 if (sv)
137 {
138 SvREADONLY_off (sv);
139
140 if (dbt->data)
141 sv_setpvn_mg (sv, dbt->data, dbt->size);
142 else
143 sv_setsv_mg (sv, &PL_sv_undef);
144
145 SvREFCNT_dec (sv);
146 }
147
148 free (dbt->data);
149 }
150
151 enum {
152 REQ_QUIT,
153 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
154 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
155 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
156 REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
157 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
158 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
159 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
160 };
161
162 typedef struct bdb_cb
163 {
164 struct bdb_cb *volatile next;
165 SV *callback;
166 int type, pri, result;
167
168 DB_ENV *env;
169 DB *db;
170 DB_TXN *txn;
171 DBC *dbc;
172
173 UV uv1;
174 int int1, int2;
175 U32 uint1, uint2;
176 char *buf1, *buf2, *buf3;
177 SV *sv1, *sv2, *sv3;
178
179 DBT dbt1, dbt2, dbt3;
180 DB_KEY_RANGE key_range;
181 #if DB_VERSION_MINOR >= 3
182 DB_SEQUENCE *seq;
183 db_seq_t seq_t;
184 #endif
185
186 SV *rsv1, *rsv2; // keep some request objects alive
187 } bdb_cb;
188
189 typedef bdb_cb *bdb_req;
190
191 enum {
192 PRI_MIN = -4,
193 PRI_MAX = 4,
194
195 DEFAULT_PRI = 0,
196 PRI_BIAS = -PRI_MIN,
197 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
198 };
199
200 #define AIO_TICKS ((1000000 + 1023) >> 10)
201
202 static SV *on_next_submit;
203
204 static unsigned int max_poll_time = 0;
205 static unsigned int max_poll_reqs = 0;
206
207 /* calculcate time difference in ~1/AIO_TICKS of a second */
208 static int tvdiff (struct timeval *tv1, struct timeval *tv2)
209 {
210 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
211 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
212 }
213
214 static int next_pri = DEFAULT_PRI + PRI_BIAS;
215
216 static unsigned int started, idle, wanted;
217
218 /* worker threads management */
219 static mutex_t wrklock = X_MUTEX_INIT;
220
221 typedef struct worker {
222 /* locked by wrklock */
223 struct worker *prev, *next;
224
225 thread_t tid;
226
227 /* locked by reslock, reqlock or wrklock */
228 bdb_req req; /* currently processed request */
229 void *dbuf;
230 DIR *dirp;
231 } worker;
232
233 static worker wrk_first = { &wrk_first, &wrk_first, 0 };
234
235 static void worker_clear (worker *wrk)
236 {
237 }
238
239 static void worker_free (worker *wrk)
240 {
241 wrk->next->prev = wrk->prev;
242 wrk->prev->next = wrk->next;
243
244 free (wrk);
245 }
246
247 static volatile unsigned int nreqs, nready, npending;
248 static volatile unsigned int max_idle = 4;
249 static volatile unsigned int max_outstanding = 0xffffffff;
250 static int respipe_osf [2], respipe [2] = { -1, -1 };
251
252 static mutex_t reslock = X_MUTEX_INIT;
253 static mutex_t reqlock = X_MUTEX_INIT;
254 static cond_t reqwait = X_COND_INIT;
255
256 #if WORDACCESS_UNSAFE
257
258 static unsigned int get_nready (void)
259 {
260 unsigned int retval;
261
262 X_LOCK (reqlock);
263 retval = nready;
264 X_UNLOCK (reqlock);
265
266 return retval;
267 }
268
269 static unsigned int get_npending (void)
270 {
271 unsigned int retval;
272
273 X_LOCK (reslock);
274 retval = npending;
275 X_UNLOCK (reslock);
276
277 return retval;
278 }
279
280 static unsigned int get_nthreads (void)
281 {
282 unsigned int retval;
283
284 X_LOCK (wrklock);
285 retval = started;
286 X_UNLOCK (wrklock);
287
288 return retval;
289 }
290
291 #else
292
293 # define get_nready() nready
294 # define get_npending() npending
295 # define get_nthreads() started
296
297 #endif
298
299 /*
300 * a somewhat faster data structure might be nice, but
301 * with 8 priorities this actually needs <20 insns
302 * per shift, the most expensive operation.
303 */
304 typedef struct {
305 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
306 int size;
307 } reqq;
308
309 static reqq req_queue;
310 static reqq res_queue;
311
312 int reqq_push (reqq *q, bdb_req req)
313 {
314 int pri = req->pri;
315 req->next = 0;
316
317 if (q->qe[pri])
318 {
319 q->qe[pri]->next = req;
320 q->qe[pri] = req;
321 }
322 else
323 q->qe[pri] = q->qs[pri] = req;
324
325 return q->size++;
326 }
327
328 bdb_req reqq_shift (reqq *q)
329 {
330 int pri;
331
332 if (!q->size)
333 return 0;
334
335 --q->size;
336
337 for (pri = NUM_PRI; pri--; )
338 {
339 bdb_req req = q->qs[pri];
340
341 if (req)
342 {
343 if (!(q->qs[pri] = req->next))
344 q->qe[pri] = 0;
345
346 return req;
347 }
348 }
349
350 abort ();
351 }
352
353 static int poll_cb (void);
354 static void req_free (bdb_req req);
355 static void req_cancel (bdb_req req);
356
357 static int req_invoke (bdb_req req)
358 {
359 switch (req->type)
360 {
361 case REQ_DB_CLOSE:
362 SvREFCNT_dec (req->sv1);
363 break;
364
365 case REQ_DB_GET:
366 case REQ_DB_PGET:
367 case REQ_C_GET:
368 case REQ_C_PGET:
369 case REQ_DB_PUT:
370 case REQ_C_PUT:
371 dbt_to_sv (req->sv1, &req->dbt1);
372 dbt_to_sv (req->sv2, &req->dbt2);
373 dbt_to_sv (req->sv3, &req->dbt3);
374 break;
375
376 case REQ_DB_KEY_RANGE:
377 {
378 AV *av = newAV ();
379
380 av_push (av, newSVnv (req->key_range.less));
381 av_push (av, newSVnv (req->key_range.equal));
382 av_push (av, newSVnv (req->key_range.greater));
383
384 SvREADONLY_off (req->sv1);
385 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
386 SvREFCNT_dec (req->sv1);
387 }
388 break;
389
390 #if DB_VERSION_MINOR >= 3
391 case REQ_SEQ_GET:
392 SvREADONLY_off (req->sv1);
393
394 if (sizeof (IV) > 4)
395 sv_setiv_mg (req->sv1, (IV)req->seq_t);
396 else
397 sv_setnv_mg (req->sv1, (NV)req->seq_t);
398
399 SvREFCNT_dec (req->sv1);
400 break;
401 #endif
402 }
403
404 errno = req->result;
405
406 if (req->callback)
407 {
408 dSP;
409
410 ENTER;
411 SAVETMPS;
412 PUSHMARK (SP);
413
414 PUTBACK;
415 call_sv (req->callback, G_VOID | G_EVAL);
416 SPAGAIN;
417
418 FREETMPS;
419 LEAVE;
420
421 return !SvTRUE (ERRSV);
422 }
423
424 return 1;
425 }
426
427 static void req_free (bdb_req req)
428 {
429 SvREFCNT_dec (req->callback);
430
431 SvREFCNT_dec (req->rsv1);
432 SvREFCNT_dec (req->rsv2);
433
434 free (req->buf1);
435 free (req->buf2);
436 free (req->buf3);
437
438 Safefree (req);
439 }
440
441 #ifdef USE_SOCKETS_AS_HANDLES
442 # define TO_SOCKET(x) (win32_get_osfhandle (x))
443 #else
444 # define TO_SOCKET(x) (x)
445 #endif
446
447 static void
448 create_respipe (void)
449 {
450 #ifdef _WIN32
451 int arg; /* argg */
452 #endif
453 int old_readfd = respipe [0];
454
455 if (respipe [1] >= 0)
456 respipe_close (TO_SOCKET (respipe [1]));
457
458 #ifdef _WIN32
459 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460 #else
461 if (pipe (respipe))
462 #endif
463 croak ("unable to initialize result pipe");
464
465 if (old_readfd >= 0)
466 {
467 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468 croak ("unable to initialize result pipe(2)");
469
470 respipe_close (respipe [0]);
471 respipe [0] = old_readfd;
472 }
473
474 #ifdef _WIN32
475 arg = 1;
476 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478 #else
479 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481 #endif
482 croak ("unable to initialize result pipe(3)");
483
484 respipe_osf [0] = TO_SOCKET (respipe [0]);
485 respipe_osf [1] = TO_SOCKET (respipe [1]);
486 }
487
488 static void bdb_request (bdb_req req);
489 X_THREAD_PROC (bdb_proc);
490
491 static void start_thread (void)
492 {
493 worker *wrk = calloc (1, sizeof (worker));
494
495 if (!wrk)
496 croak ("unable to allocate worker thread data");
497
498 X_LOCK (wrklock);
499 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
500 {
501 wrk->prev = &wrk_first;
502 wrk->next = wrk_first.next;
503 wrk_first.next->prev = wrk;
504 wrk_first.next = wrk;
505 ++started;
506 }
507 else
508 free (wrk);
509
510 X_UNLOCK (wrklock);
511 }
512
513 static void maybe_start_thread (void)
514 {
515 if (get_nthreads () >= wanted)
516 return;
517
518 /* todo: maybe use idle here, but might be less exact */
519 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
520 return;
521
522 start_thread ();
523 }
524
525 static void req_send (bdb_req req)
526 {
527 SV *wait_callback = 0;
528
529 if (on_next_submit)
530 {
531 dSP;
532 SV *cb = sv_2mortal (on_next_submit);
533
534 on_next_submit = 0;
535
536 PUSHMARK (SP);
537 PUTBACK;
538 call_sv (cb, G_DISCARD | G_EVAL);
539 SPAGAIN;
540 }
541
542 // synthesize callback if none given
543 if (!req->callback)
544 {
545 if (SvOK (prepare_cb))
546 {
547 int count;
548
549 dSP;
550 PUSHMARK (SP);
551 PUTBACK;
552 count = call_sv (prepare_cb, G_ARRAY);
553 SPAGAIN;
554
555 if (count != 2)
556 croak ("sync prepare callback must return exactly two values\n");
557
558 wait_callback = POPs;
559 req->callback = SvREFCNT_inc (POPs);
560 }
561 else
562 {
563 // execute request synchronously
564 bdb_request (req);
565 req_invoke (req);
566 req_free (req);
567 return;
568 }
569 }
570
571 ++nreqs;
572
573 X_LOCK (reqlock);
574 ++nready;
575 reqq_push (&req_queue, req);
576 X_COND_SIGNAL (reqwait);
577 X_UNLOCK (reqlock);
578
579 maybe_start_thread ();
580
581 if (wait_callback)
582 {
583 dSP;
584 PUSHMARK (SP);
585 PUTBACK;
586 call_sv (wait_callback, G_DISCARD);
587 }
588 }
589
590 static void end_thread (void)
591 {
592 bdb_req req = calloc (1, sizeof (bdb_cb));
593
594 req->type = REQ_QUIT;
595 req->pri = PRI_MAX + PRI_BIAS;
596
597 X_LOCK (reqlock);
598 reqq_push (&req_queue, req);
599 X_COND_SIGNAL (reqwait);
600 X_UNLOCK (reqlock);
601
602 X_LOCK (wrklock);
603 --started;
604 X_UNLOCK (wrklock);
605 }
606
607 static void set_max_idle (int nthreads)
608 {
609 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
610 max_idle = nthreads <= 0 ? 1 : nthreads;
611 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
612 }
613
614 static void min_parallel (int nthreads)
615 {
616 if (wanted < nthreads)
617 wanted = nthreads;
618 }
619
620 static void max_parallel (int nthreads)
621 {
622 if (wanted > nthreads)
623 wanted = nthreads;
624
625 while (started > wanted)
626 end_thread ();
627 }
628
629 static void poll_wait (void)
630 {
631 fd_set rfd;
632
633 while (nreqs)
634 {
635 int size;
636 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
637 size = res_queue.size;
638 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
639
640 if (size)
641 return;
642
643 maybe_start_thread ();
644
645 FD_ZERO (&rfd);
646 FD_SET (respipe [0], &rfd);
647
648 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
649 }
650 }
651
652 static int poll_cb (void)
653 {
654 dSP;
655 int count = 0;
656 int maxreqs = max_poll_reqs;
657 int do_croak = 0;
658 struct timeval tv_start, tv_now;
659 bdb_req req;
660
661 if (max_poll_time)
662 gettimeofday (&tv_start, 0);
663
664 for (;;)
665 {
666 for (;;)
667 {
668 maybe_start_thread ();
669
670 X_LOCK (reslock);
671 req = reqq_shift (&res_queue);
672
673 if (req)
674 {
675 --npending;
676
677 if (!res_queue.size)
678 {
679 /* read any signals sent by the worker threads */
680 char buf [4];
681 while (respipe_read (respipe [0], buf, 4) == 4)
682 ;
683 }
684 }
685
686 X_UNLOCK (reslock);
687
688 if (!req)
689 break;
690
691 --nreqs;
692
693 if (!req_invoke (req))
694 {
695 req_free (req);
696 croak (0);
697 }
698
699 count++;
700
701 req_free (req);
702
703 if (maxreqs && !--maxreqs)
704 break;
705
706 if (max_poll_time)
707 {
708 gettimeofday (&tv_now, 0);
709
710 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
711 break;
712 }
713 }
714
715 if (nreqs <= max_outstanding)
716 break;
717
718 poll_wait ();
719
720 ++maxreqs;
721 }
722
723 return count;
724 }
725
726 /*****************************************************************************/
727
728 static void
729 bdb_request (bdb_req req)
730 {
731 switch (req->type)
732 {
733 case REQ_ENV_OPEN:
734 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
735 break;
736
737 case REQ_ENV_CLOSE:
738 req->result = req->env->close (req->env, req->uint1);
739 break;
740
741 case REQ_ENV_TXN_CHECKPOINT:
742 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
743 break;
744
745 case REQ_ENV_LOCK_DETECT:
746 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
747 break;
748
749 case REQ_ENV_MEMP_SYNC:
750 req->result = req->env->memp_sync (req->env, 0);
751 break;
752
753 case REQ_ENV_MEMP_TRICKLE:
754 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
755 break;
756
757 case REQ_ENV_DBREMOVE:
758 req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
759 break;
760
761 case REQ_ENV_DBRENAME:
762 req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
763 break;
764
765 case REQ_DB_OPEN:
766 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
767 break;
768
769 case REQ_DB_CLOSE:
770 req->result = req->db->close (req->db, req->uint1);
771 break;
772
773 #if DB_VERSION_MINOR >= 4
774 case REQ_DB_COMPACT:
775 req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
776 break;
777 #endif
778
779 case REQ_DB_SYNC:
780 req->result = req->db->sync (req->db, req->uint1);
781 break;
782
783 case REQ_DB_UPGRADE:
784 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
785 break;
786
787 case REQ_DB_PUT:
788 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
789 break;
790
791 #if DB_VERSION_MINOR >= 6
792 case REQ_DB_EXISTS:
793 req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
794 break;
795 #endif
796 case REQ_DB_GET:
797 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
798 break;
799
800 case REQ_DB_PGET:
801 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
802 break;
803
804 case REQ_DB_DEL:
805 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
806 break;
807
808 case REQ_DB_KEY_RANGE:
809 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
810 break;
811
812 case REQ_TXN_COMMIT:
813 req->result = req->txn->commit (req->txn, req->uint1);
814 break;
815
816 case REQ_TXN_ABORT:
817 req->result = req->txn->abort (req->txn);
818 break;
819
820 case REQ_TXN_FINISH:
821 if (req->txn->flags & TXN_DEADLOCK)
822 {
823 req->result = req->txn->abort (req->txn);
824 if (!req->result)
825 req->result = DB_LOCK_DEADLOCK;
826 }
827 else
828 req->result = req->txn->commit (req->txn, req->uint1);
829 break;
830
831 case REQ_C_CLOSE:
832 req->result = req->dbc->c_close (req->dbc);
833 break;
834
835 case REQ_C_COUNT:
836 {
837 db_recno_t recno;
838 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
839 req->uv1 = recno;
840 }
841 break;
842
843 case REQ_C_PUT:
844 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
845 break;
846
847 case REQ_C_GET:
848 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
849 break;
850
851 case REQ_C_PGET:
852 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
853 break;
854
855 case REQ_C_DEL:
856 req->result = req->dbc->c_del (req->dbc, req->uint1);
857 break;
858
859 #if DB_VERSION_MINOR >= 3
860 case REQ_SEQ_OPEN:
861 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
862 break;
863
864 case REQ_SEQ_CLOSE:
865 req->result = req->seq->close (req->seq, req->uint1);
866 break;
867
868 case REQ_SEQ_GET:
869 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
870 break;
871
872 case REQ_SEQ_REMOVE:
873 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
874 break;
875 #endif
876
877 default:
878 req->result = ENOSYS;
879 break;
880 }
881
882 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
883 req->txn->flags |= TXN_DEADLOCK;
884 }
885
886 X_THREAD_PROC (bdb_proc)
887 {
888 bdb_req req;
889 struct timespec ts;
890 worker *self = (worker *)thr_arg;
891
892 /* try to distribute timeouts somewhat evenly */
893 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
894
895 for (;;)
896 {
897 ts.tv_sec = time (0) + IDLE_TIMEOUT;
898
899 X_LOCK (reqlock);
900
901 for (;;)
902 {
903 self->req = req = reqq_shift (&req_queue);
904
905 if (req)
906 break;
907
908 ++idle;
909
910 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
911 == ETIMEDOUT)
912 {
913 if (idle > max_idle)
914 {
915 --idle;
916 X_UNLOCK (reqlock);
917 X_LOCK (wrklock);
918 --started;
919 X_UNLOCK (wrklock);
920 goto quit;
921 }
922
923 /* we are allowed to idle, so do so without any timeout */
924 X_COND_WAIT (reqwait, reqlock);
925 ts.tv_sec = time (0) + IDLE_TIMEOUT;
926 }
927
928 --idle;
929 }
930
931 --nready;
932
933 X_UNLOCK (reqlock);
934
935 if (req->type == REQ_QUIT)
936 {
937 X_LOCK (reslock);
938 free (req);
939 self->req = 0;
940 X_UNLOCK (reslock);
941
942 goto quit;
943 }
944
945 bdb_request (req);
946
947 X_LOCK (reslock);
948
949 ++npending;
950
951 if (!reqq_push (&res_queue, req))
952 /* write a dummy byte to the pipe so fh becomes ready */
953 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
954
955 self->req = 0;
956 worker_clear (self);
957
958 X_UNLOCK (reslock);
959 }
960
961 quit:
962 X_LOCK (wrklock);
963 worker_free (self);
964 X_UNLOCK (wrklock);
965
966 return 0;
967 }
968
969 /*****************************************************************************/
970
971 static void atfork_prepare (void)
972 {
973 X_LOCK (wrklock);
974 X_LOCK (reqlock);
975 X_LOCK (reslock);
976 }
977
978 static void atfork_parent (void)
979 {
980 X_UNLOCK (reslock);
981 X_UNLOCK (reqlock);
982 X_UNLOCK (wrklock);
983 }
984
985 static void atfork_child (void)
986 {
987 bdb_req prv;
988
989 while (prv = reqq_shift (&req_queue))
990 req_free (prv);
991
992 while (prv = reqq_shift (&res_queue))
993 req_free (prv);
994
995 while (wrk_first.next != &wrk_first)
996 {
997 worker *wrk = wrk_first.next;
998
999 if (wrk->req)
1000 req_free (wrk->req);
1001
1002 worker_clear (wrk);
1003 worker_free (wrk);
1004 }
1005
1006 started = 0;
1007 idle = 0;
1008 nreqs = 0;
1009 nready = 0;
1010 npending = 0;
1011
1012 create_respipe ();
1013
1014 atfork_parent ();
1015 }
1016
1017 #define dREQ(reqtype,rsvcnt) \
1018 bdb_req req; \
1019 int req_pri = next_pri; \
1020 next_pri = DEFAULT_PRI + PRI_BIAS; \
1021 \
1022 if (callback && SvOK (callback)) \
1023 croak ("callback has illegal type or extra arguments"); \
1024 \
1025 Newz (0, req, 1, bdb_cb); \
1026 if (!req) \
1027 croak ("out of memory during bdb_req allocation"); \
1028 \
1029 req->callback = SvREFCNT_inc (cb); \
1030 req->type = (reqtype); \
1031 req->pri = req_pri; \
1032 if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
1033 if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
1034 (void)0;
1035
1036 #define REQ_SEND \
1037 req_send (req)
1038
1039 #define SvPTR(var, arg, type, class, nullok) \
1040 if (!SvOK (arg)) \
1041 { \
1042 if (nullok != 1) \
1043 croak (# var " must be a " # class " object, not undef"); \
1044 \
1045 (var) = 0; \
1046 } \
1047 else if (sv_derived_from ((arg), # class)) \
1048 { \
1049 IV tmp = SvIV ((SV*) SvRV (arg)); \
1050 (var) = INT2PTR (type, tmp); \
1051 if (!var && nullok != 2) \
1052 croak (# var " is not a valid " # class " object anymore"); \
1053 } \
1054 else \
1055 croak (# var " is not of type " # class);
1056
1057 #define ARG_MUTABLE(name) \
1058 if (SvREADONLY (name)) \
1059 croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
1060
1061 static void
1062 ptr_nuke (SV *sv)
1063 {
1064 assert (SvROK (sv));
1065 sv_setiv (SvRV (sv), 0);
1066 }
1067
1068 static int
1069 errno_get (pTHX_ SV *sv, MAGIC *mg)
1070 {
1071 if (*mg->mg_ptr == '!') // should always be the case
1072 if (-30999 <= errno && errno <= -30800)
1073 {
1074 sv_setnv (sv, (NV)errno);
1075 sv_setpv (sv, db_strerror (errno));
1076 SvNOK_on (sv); /* what a wonderful hack! */
1077 // ^^^ copied from perl sources
1078 return 0;
1079 }
1080
1081 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1082 }
1083
1084 static MGVTBL vtbl_errno;
1085
1086 // this wonderful hack :( patches perl's $! variable to support our errno values
1087 static void
1088 patch_errno (void)
1089 {
1090 SV *sv;
1091 MAGIC *mg;
1092
1093 if (!(sv = get_sv ("!", 1)))
1094 return;
1095
1096 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1097 return;
1098
1099 if (mg->mg_virtual != &PL_vtbl_sv)
1100 return;
1101
1102 vtbl_errno = PL_vtbl_sv;
1103 vtbl_errno.svt_get = errno_get;
1104 mg->mg_virtual = &vtbl_errno;
1105 }
1106
1107 #if __GNUC__ >= 4
1108 # define noinline __attribute__ ((noinline))
1109 #else
1110 # define noinline
1111 #endif
1112
1113 static noinline SV *
1114 pop_callback (I32 *ritems, SV *sv)
1115 {
1116 if (SvROK (sv))
1117 {
1118 HV *st;
1119 GV *gvp;
1120 CV *cv;
1121 const char *name;
1122
1123 /* forgive me */
1124 if (SvTYPE (SvRV (sv)) == SVt_PVMG
1125 && (st = SvSTASH (SvRV (sv)))
1126 && (name = HvNAME_get (st))
1127 && (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
1128 return 0;
1129
1130 if ((cv = sv_2cv (sv, &st, &gvp, 0)))
1131 {
1132 --*ritems;
1133 return (SV *)cv;
1134 }
1135 }
1136
1137 return 0;
1138 }
1139
1140 /* stupid windoes defined CALLBACK as well */
1141 #undef CALLBACK
1142 #define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1143
1144 MODULE = BDB PACKAGE = BDB
1145
1146 PROTOTYPES: ENABLE
1147
1148 BOOT:
1149 {
1150 HV *stash = gv_stashpv ("BDB", 1);
1151
1152 static const struct {
1153 const char *name;
1154 IV iv;
1155 } *civ, const_iv[] = {
1156 #define const_iv(name) { # name, (IV)DB_ ## name },
1157 const_iv (RPCCLIENT)
1158 const_iv (INIT_CDB)
1159 const_iv (INIT_LOCK)
1160 const_iv (INIT_LOG)
1161 const_iv (INIT_MPOOL)
1162 const_iv (INIT_REP)
1163 const_iv (INIT_TXN)
1164 const_iv (RECOVER)
1165 const_iv (INIT_TXN)
1166 const_iv (RECOVER_FATAL)
1167 const_iv (CREATE)
1168 const_iv (RDONLY)
1169 const_iv (USE_ENVIRON)
1170 const_iv (USE_ENVIRON_ROOT)
1171 const_iv (LOCKDOWN)
1172 const_iv (PRIVATE)
1173 const_iv (SYSTEM_MEM)
1174 const_iv (AUTO_COMMIT)
1175 const_iv (CDB_ALLDB)
1176 const_iv (DIRECT_DB)
1177 const_iv (NOLOCKING)
1178 const_iv (NOMMAP)
1179 const_iv (NOPANIC)
1180 const_iv (OVERWRITE)
1181 const_iv (PANIC_ENVIRONMENT)
1182 const_iv (REGION_INIT)
1183 const_iv (TIME_NOTGRANTED)
1184 const_iv (TXN_NOSYNC)
1185 const_iv (TXN_NOT_DURABLE)
1186 const_iv (TXN_WRITE_NOSYNC)
1187 const_iv (WRITECURSOR)
1188 const_iv (YIELDCPU)
1189 const_iv (ENCRYPT_AES)
1190 const_iv (XA_CREATE)
1191 const_iv (BTREE)
1192 const_iv (HASH)
1193 const_iv (QUEUE)
1194 const_iv (RECNO)
1195 const_iv (UNKNOWN)
1196 const_iv (EXCL)
1197 const_iv (TRUNCATE)
1198 const_iv (NOSYNC)
1199 const_iv (CHKSUM)
1200 const_iv (ENCRYPT)
1201 const_iv (DUP)
1202 const_iv (DUPSORT)
1203 const_iv (RECNUM)
1204 const_iv (RENUMBER)
1205 const_iv (REVSPLITOFF)
1206 const_iv (CONSUME)
1207 const_iv (CONSUME_WAIT)
1208 const_iv (GET_BOTH)
1209 const_iv (GET_BOTH_RANGE)
1210 //const_iv (SET_RECNO)
1211 //const_iv (MULTIPLE)
1212 const_iv (SNAPSHOT)
1213 const_iv (JOIN_ITEM)
1214 const_iv (JOIN_NOSORT)
1215 const_iv (RMW)
1216
1217 const_iv (NOTFOUND)
1218 const_iv (KEYEMPTY)
1219 const_iv (LOCK_DEADLOCK)
1220 const_iv (LOCK_NOTGRANTED)
1221 const_iv (RUNRECOVERY)
1222 const_iv (OLD_VERSION)
1223 const_iv (REP_HANDLE_DEAD)
1224 const_iv (SECONDARY_BAD)
1225
1226 const_iv (APPEND)
1227 const_iv (NODUPDATA)
1228 const_iv (NOOVERWRITE)
1229
1230 const_iv (TXN_NOWAIT)
1231 const_iv (TXN_SYNC)
1232
1233 const_iv (SET_LOCK_TIMEOUT)
1234 const_iv (SET_TXN_TIMEOUT)
1235
1236 const_iv (FIRST)
1237 const_iv (NEXT)
1238 const_iv (NEXT_DUP)
1239 const_iv (NEXT_NODUP)
1240 const_iv (PREV)
1241 const_iv (PREV_NODUP)
1242 const_iv (SET)
1243 const_iv (SET_RANGE)
1244 const_iv (LAST)
1245 const_iv (BEFORE)
1246 const_iv (AFTER)
1247 const_iv (CURRENT)
1248 const_iv (KEYFIRST)
1249 const_iv (KEYLAST)
1250 const_iv (NODUPDATA)
1251
1252 const_iv (FORCE)
1253
1254 const_iv (LOCK_DEFAULT)
1255 const_iv (LOCK_EXPIRE)
1256 const_iv (LOCK_MAXLOCKS)
1257 const_iv (LOCK_MINLOCKS)
1258 const_iv (LOCK_MINWRITE)
1259 const_iv (LOCK_OLDEST)
1260 const_iv (LOCK_RANDOM)
1261 const_iv (LOCK_YOUNGEST)
1262
1263 const_iv (DONOTINDEX)
1264 const_iv (KEYEMPTY )
1265 const_iv (KEYEXIST )
1266 const_iv (LOCK_DEADLOCK)
1267 const_iv (LOCK_NOTGRANTED)
1268 const_iv (NOSERVER)
1269 const_iv (NOSERVER_HOME)
1270 const_iv (NOSERVER_ID)
1271 const_iv (NOTFOUND)
1272 const_iv (PAGE_NOTFOUND)
1273 const_iv (REP_DUPMASTER)
1274 const_iv (REP_HANDLE_DEAD)
1275 const_iv (REP_HOLDELECTION)
1276 const_iv (REP_ISPERM)
1277 const_iv (REP_NEWMASTER)
1278 const_iv (REP_NEWSITE)
1279 const_iv (REP_NOTPERM)
1280 const_iv (REP_UNAVAIL)
1281 const_iv (RUNRECOVERY)
1282 const_iv (SECONDARY_BAD)
1283 const_iv (VERIFY_BAD)
1284
1285 const_iv (VERB_DEADLOCK)
1286 const_iv (VERB_RECOVERY)
1287 const_iv (VERB_REPLICATION)
1288 const_iv (VERB_WAITSFOR)
1289
1290 const_iv (VERSION_MAJOR)
1291 const_iv (VERSION_MINOR)
1292 const_iv (VERSION_PATCH)
1293 #if DB_VERSION_MINOR >= 3
1294 const_iv (INORDER)
1295 const_iv (LOCK_MAXWRITE)
1296 const_iv (SEQ_DEC)
1297 const_iv (SEQ_INC)
1298 const_iv (SEQ_WRAP)
1299 const_iv (BUFFER_SMALL)
1300 const_iv (LOG_BUFFER_FULL)
1301 const_iv (VERSION_MISMATCH)
1302 #endif
1303 #if DB_VERSION_MINOR >= 4
1304 const_iv (REGISTER)
1305 const_iv (DSYNC_DB)
1306 const_iv (READ_COMMITTED)
1307 const_iv (READ_UNCOMMITTED)
1308 const_iv (REP_IGNORE)
1309 const_iv (REP_LOCKOUT)
1310 const_iv (REP_JOIN_FAILURE)
1311 const_iv (FREE_SPACE)
1312 const_iv (FREELIST_ONLY)
1313 const_iv (VERB_REGISTER)
1314 #endif
1315 #if DB_VERSION_MINOR >= 5
1316 const_iv (MULTIVERSION)
1317 const_iv (TXN_SNAPSHOT)
1318 #endif
1319 #if DB_VERSION_MINOR >= 6
1320 const_iv (PREV_DUP)
1321 const_iv (PRIORITY_UNCHANGED)
1322 const_iv (PRIORITY_VERY_LOW)
1323 const_iv (PRIORITY_LOW)
1324 const_iv (PRIORITY_DEFAULT)
1325 const_iv (PRIORITY_HIGH)
1326 const_iv (PRIORITY_VERY_HIGH)
1327 #endif
1328 #if DB_VERSION_MINOR >= 7
1329 const_iv (LOG_DIRECT)
1330 const_iv (LOG_DSYNC)
1331 const_iv (LOG_AUTO_REMOVE)
1332 const_iv (LOG_IN_MEMORY)
1333 const_iv (LOG_ZERO)
1334 #else
1335 const_iv (DIRECT_LOG)
1336 const_iv (LOG_AUTOREMOVE)
1337 # if DB_VERSION_MINOR >= 3
1338 const_iv (DSYNC_LOG)
1339 const_iv (LOG_INMEMORY)
1340 # endif
1341 #endif
1342 };
1343
1344 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1345 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1346
1347 prepare_cb = &PL_sv_undef;
1348
1349 {
1350 /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1351 char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1352
1353 newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
1354 }
1355
1356 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1357
1358 create_respipe ();
1359
1360 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1361 patch_errno ();
1362 }
1363
1364 void
1365 max_poll_reqs (int nreqs)
1366 PROTOTYPE: $
1367 CODE:
1368 max_poll_reqs = nreqs;
1369
1370 void
1371 max_poll_time (double nseconds)
1372 PROTOTYPE: $
1373 CODE:
1374 max_poll_time = nseconds * AIO_TICKS;
1375
1376 void
1377 min_parallel (int nthreads)
1378 PROTOTYPE: $
1379
1380 void
1381 max_parallel (int nthreads)
1382 PROTOTYPE: $
1383
1384 void
1385 max_idle (int nthreads)
1386 PROTOTYPE: $
1387 CODE:
1388 set_max_idle (nthreads);
1389
1390 int
1391 max_outstanding (int maxreqs)
1392 PROTOTYPE: $
1393 CODE:
1394 RETVAL = max_outstanding;
1395 max_outstanding = maxreqs;
1396 OUTPUT:
1397 RETVAL
1398
1399 int
1400 dbreq_pri (int pri = 0)
1401 PROTOTYPE: ;$
1402 CODE:
1403 RETVAL = next_pri - PRI_BIAS;
1404 if (items > 0)
1405 {
1406 if (pri < PRI_MIN) pri = PRI_MIN;
1407 if (pri > PRI_MAX) pri = PRI_MAX;
1408 next_pri = pri + PRI_BIAS;
1409 }
1410 OUTPUT:
1411 RETVAL
1412
1413 void
1414 dbreq_nice (int nice = 0)
1415 CODE:
1416 nice = next_pri - nice;
1417 if (nice < PRI_MIN) nice = PRI_MIN;
1418 if (nice > PRI_MAX) nice = PRI_MAX;
1419 next_pri = nice + PRI_BIAS;
1420
1421 void
1422 flush ()
1423 PROTOTYPE:
1424 CODE:
1425 while (nreqs)
1426 {
1427 poll_wait ();
1428 poll_cb ();
1429 }
1430
1431 int
1432 poll ()
1433 PROTOTYPE:
1434 CODE:
1435 poll_wait ();
1436 RETVAL = poll_cb ();
1437 OUTPUT:
1438 RETVAL
1439
1440 int
1441 poll_fileno ()
1442 PROTOTYPE:
1443 CODE:
1444 RETVAL = respipe [0];
1445 OUTPUT:
1446 RETVAL
1447
1448 int
1449 poll_cb (...)
1450 PROTOTYPE:
1451 CODE:
1452 RETVAL = poll_cb ();
1453 OUTPUT:
1454 RETVAL
1455
1456 void
1457 poll_wait ()
1458 PROTOTYPE:
1459 CODE:
1460 poll_wait ();
1461
1462 int
1463 nreqs ()
1464 PROTOTYPE:
1465 CODE:
1466 RETVAL = nreqs;
1467 OUTPUT:
1468 RETVAL
1469
1470 int
1471 nready ()
1472 PROTOTYPE:
1473 CODE:
1474 RETVAL = get_nready ();
1475 OUTPUT:
1476 RETVAL
1477
1478 int
1479 npending ()
1480 PROTOTYPE:
1481 CODE:
1482 RETVAL = get_npending ();
1483 OUTPUT:
1484 RETVAL
1485
1486 int
1487 nthreads ()
1488 PROTOTYPE:
1489 CODE:
1490 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1491 RETVAL = started;
1492 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1493 OUTPUT:
1494 RETVAL
1495
1496 SV *
1497 set_sync_prepare (SV *cb)
1498 PROTOTYPE: &
1499 CODE:
1500 RETVAL = prepare_cb;
1501 prepare_cb = newSVsv (cb);
1502 OUTPUT:
1503 RETVAL
1504
1505 char *
1506 strerror (int errorno = errno)
1507 PROTOTYPE: ;$
1508 CODE:
1509 RETVAL = db_strerror (errorno);
1510 OUTPUT:
1511 RETVAL
1512
1513 void _on_next_submit (SV *cb)
1514 CODE:
1515 SvREFCNT_dec (on_next_submit);
1516 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1517
1518 DB_ENV *
1519 db_env_create (U32 env_flags = 0)
1520 CODE:
1521 {
1522 errno = db_env_create (&RETVAL, env_flags);
1523 if (errno)
1524 croak ("db_env_create: %s", db_strerror (errno));
1525
1526 if (0)
1527 {
1528 RETVAL->set_errcall (RETVAL, debug_errcall);
1529 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1530 }
1531 }
1532 OUTPUT:
1533 RETVAL
1534
1535 void
1536 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1537 PREINIT:
1538 CALLBACK
1539 CODE:
1540 {
1541 dREQ (REQ_ENV_OPEN, 1);
1542 req->env = env;
1543 req->uint1 = open_flags | DB_THREAD;
1544 req->int1 = mode;
1545 req->buf1 = strdup_ornull (db_home);
1546 REQ_SEND;
1547 }
1548
1549 void
1550 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1551 PREINIT:
1552 CALLBACK
1553 CODE:
1554 {
1555 dREQ (REQ_ENV_CLOSE, 0);
1556 ptr_nuke (ST (0));
1557 req->env = env;
1558 req->uint1 = flags;
1559 REQ_SEND;
1560 }
1561
1562 void
1563 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1564 PREINIT:
1565 CALLBACK
1566 CODE:
1567 {
1568 dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1569 req->env = env;
1570 req->uint1 = kbyte;
1571 req->int1 = min;
1572 req->uint2 = flags;
1573 REQ_SEND;
1574 }
1575
1576 void
1577 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1578 PREINIT:
1579 CALLBACK
1580 CODE:
1581 {
1582 dREQ (REQ_ENV_LOCK_DETECT, 1);
1583 req->env = env;
1584 req->uint1 = flags;
1585 req->uint2 = atype;
1586 /* req->int2 = 0; dummy */
1587 REQ_SEND;
1588 }
1589
1590 void
1591 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1592 PREINIT:
1593 CALLBACK
1594 CODE:
1595 {
1596 dREQ (REQ_ENV_MEMP_SYNC, 1);
1597 req->env = env;
1598 REQ_SEND;
1599 }
1600
1601 void
1602 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1603 PREINIT:
1604 CALLBACK
1605 CODE:
1606 {
1607 dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1608 req->env = env;
1609 req->int1 = percent;
1610 REQ_SEND;
1611 }
1612
1613 void
1614 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1615 PREINIT:
1616 CALLBACK
1617 CODE:
1618 {
1619 dREQ (REQ_ENV_DBREMOVE, 2);
1620 req->env = env;
1621 req->buf1 = strdup_ornull (file);
1622 req->buf2 = strdup_ornull (database);
1623 req->uint1 = flags;
1624 REQ_SEND;
1625 }
1626
1627 void
1628 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)
1629 PREINIT:
1630 CALLBACK
1631 CODE:
1632 {
1633 dREQ (REQ_ENV_DBRENAME, 2);
1634 req->env = env;
1635 req->buf1 = strdup_ornull (file);
1636 req->buf2 = strdup_ornull (database);
1637 req->buf3 = strdup_ornull (newname);
1638 req->uint1 = flags;
1639 REQ_SEND;
1640 }
1641
1642 DB *
1643 db_create (DB_ENV *env = 0, U32 flags = 0)
1644 CODE:
1645 {
1646 errno = db_create (&RETVAL, env, flags);
1647 if (errno)
1648 croak ("db_create: %s", db_strerror (errno));
1649
1650 if (RETVAL)
1651 RETVAL->app_private = (void *)newSVsv (ST (0));
1652 }
1653 OUTPUT:
1654 RETVAL
1655
1656 void
1657 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1658 PREINIT:
1659 CALLBACK
1660 CODE:
1661 {
1662 dREQ (REQ_DB_OPEN, 2);
1663 req->db = db;
1664 req->txn = txnid;
1665 req->buf1 = strdup_ornull (file);
1666 req->buf2 = strdup_ornull (database);
1667 req->int1 = type;
1668 req->uint1 = flags | DB_THREAD;
1669 req->int2 = mode;
1670 REQ_SEND;
1671 }
1672
1673 void
1674 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1675 PREINIT:
1676 CALLBACK
1677 CODE:
1678 {
1679 dREQ (REQ_DB_CLOSE, 0);
1680 ptr_nuke (ST (0));
1681 req->db = db;
1682 req->uint1 = flags;
1683 req->sv1 = (SV *)db->app_private;
1684 REQ_SEND;
1685 }
1686
1687 #if DB_VERSION_MINOR >= 4
1688
1689 void
1690 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)
1691 PREINIT:
1692 CALLBACK
1693 CODE:
1694 {
1695 dREQ (REQ_DB_COMPACT, 2);
1696 req->db = db;
1697 req->txn = txn;
1698 sv_to_dbt (&req->dbt1, start);
1699 sv_to_dbt (&req->dbt2, stop);
1700 req->uint1 = flags;
1701 REQ_SEND;
1702 }
1703
1704 #endif
1705
1706 void
1707 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1708 PREINIT:
1709 CALLBACK
1710 CODE:
1711 {
1712 dREQ (REQ_DB_SYNC, 1);
1713 req->db = db;
1714 req->uint1 = flags;
1715 REQ_SEND;
1716 }
1717
1718 void
1719 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1720 PREINIT:
1721 CALLBACK
1722 CODE:
1723 {
1724 dREQ (REQ_DB_SYNC, 1);
1725 req->db = db;
1726 req->buf1 = strdup (file);
1727 req->uint1 = flags;
1728 REQ_SEND;
1729 }
1730
1731 void
1732 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1733 PREINIT:
1734 CALLBACK
1735 CODE:
1736 {
1737 dREQ (REQ_DB_KEY_RANGE, 2);
1738 req->db = db;
1739 req->txn = txn;
1740 sv_to_dbt (&req->dbt1, key);
1741 req->uint1 = flags;
1742 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1743 REQ_SEND;
1744 }
1745
1746 void
1747 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1748 PREINIT:
1749 CALLBACK
1750 CODE:
1751 {
1752 dREQ (REQ_DB_PUT, 2);
1753 req->db = db;
1754 req->txn = txn;
1755 sv_to_dbt (&req->dbt1, key);
1756 sv_to_dbt (&req->dbt2, data);
1757 req->uint1 = flags;
1758 REQ_SEND;
1759 }
1760
1761 #if DB_VERSION_MINOR >= 6
1762
1763 void
1764 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1765 PREINIT:
1766 CALLBACK
1767 CODE:
1768 {
1769 dREQ (REQ_DB_EXISTS, 2);
1770 req->db = db;
1771 req->txn = txn;
1772 req->uint1 = flags;
1773 sv_to_dbt (&req->dbt1, key);
1774 REQ_SEND;
1775 }
1776
1777 #endif
1778
1779 void
1780 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1781 PREINIT:
1782 CALLBACK
1783 CODE:
1784 {
1785 //TODO: key is somtimesmutable
1786 dREQ (REQ_DB_GET, 2);
1787 req->db = db;
1788 req->txn = txn;
1789 req->uint1 = flags;
1790 sv_to_dbt (&req->dbt1, key);
1791 req->dbt3.flags = DB_DBT_MALLOC;
1792 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1793 REQ_SEND;
1794 }
1795
1796 void
1797 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1798 PREINIT:
1799 CALLBACK
1800 CODE:
1801 {
1802 //TODO: key is somtimesmutable
1803 dREQ (REQ_DB_PGET, 2);
1804 req->db = db;
1805 req->txn = txn;
1806 req->uint1 = flags;
1807
1808 sv_to_dbt (&req->dbt1, key);
1809
1810 req->dbt2.flags = DB_DBT_MALLOC;
1811 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1812
1813 req->dbt3.flags = DB_DBT_MALLOC;
1814 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1815 REQ_SEND;
1816 }
1817
1818 void
1819 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1820 PREINIT:
1821 CALLBACK
1822 CODE:
1823 {
1824 dREQ (REQ_DB_DEL, 2);
1825 req->db = db;
1826 req->txn = txn;
1827 req->uint1 = flags;
1828 sv_to_dbt (&req->dbt1, key);
1829 REQ_SEND;
1830 }
1831
1832 void
1833 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1834 PREINIT:
1835 CALLBACK
1836 CODE:
1837 {
1838 dREQ (REQ_TXN_COMMIT, 0);
1839 ptr_nuke (ST (0));
1840 req->txn = txn;
1841 req->uint1 = flags;
1842 REQ_SEND;
1843 }
1844
1845 void
1846 db_txn_abort (DB_TXN *txn, SV *callback = 0)
1847 PREINIT:
1848 CALLBACK
1849 CODE:
1850 {
1851 dREQ (REQ_TXN_ABORT, 0);
1852 ptr_nuke (ST (0));
1853 req->txn = txn;
1854 REQ_SEND;
1855 }
1856
1857 void
1858 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1859 PREINIT:
1860 CALLBACK
1861 CODE:
1862 {
1863 dREQ (REQ_TXN_FINISH, 0);
1864 ptr_nuke (ST (0));
1865 req->txn = txn;
1866 req->uint1 = flags;
1867 REQ_SEND;
1868 }
1869
1870 void
1871 db_c_close (DBC *dbc, SV *callback = 0)
1872 PREINIT:
1873 CALLBACK
1874 CODE:
1875 {
1876 dREQ (REQ_C_CLOSE, 0);
1877 ptr_nuke (ST (0));
1878 req->dbc = dbc;
1879 REQ_SEND;
1880 }
1881
1882 void
1883 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
1884 PREINIT:
1885 CALLBACK
1886 CODE:
1887 {
1888 dREQ (REQ_C_COUNT, 1);
1889 req->dbc = dbc;
1890 req->sv1 = SvREFCNT_inc (count);
1891 REQ_SEND;
1892 }
1893
1894 void
1895 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1896 PREINIT:
1897 CALLBACK
1898 CODE:
1899 {
1900 dREQ (REQ_C_PUT, 1);
1901 req->dbc = dbc;
1902 sv_to_dbt (&req->dbt1, key);
1903 sv_to_dbt (&req->dbt2, data);
1904 req->uint1 = flags;
1905 REQ_SEND;
1906 }
1907
1908 void
1909 db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1910 PREINIT:
1911 CALLBACK
1912 CODE:
1913 {
1914 if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
1915 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
1916
1917 {
1918 dREQ (REQ_C_GET, 1);
1919 req->dbc = dbc;
1920 req->uint1 = flags;
1921 if (flags & DB_OPFLAGS_MASK == DB_SET)
1922 sv_to_dbt (&req->dbt1, key);
1923 else
1924 {
1925 if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
1926 sv_to_dbt (&req->dbt1, key);
1927 else
1928 req->dbt1.flags = DB_DBT_MALLOC;
1929
1930 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1931 }
1932
1933 if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1934 || flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1935 sv_to_dbt (&req->dbt3, data);
1936 else
1937 req->dbt3.flags = DB_DBT_MALLOC;
1938
1939 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1940 REQ_SEND;
1941 }
1942 }
1943
1944 void
1945 db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1946 PREINIT:
1947 CALLBACK
1948 CODE:
1949 {
1950 if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
1951 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
1952
1953 {
1954 dREQ (REQ_C_PGET, 1);
1955 req->dbc = dbc;
1956 req->uint1 = flags;
1957 if (flags & DB_OPFLAGS_MASK == DB_SET)
1958 sv_to_dbt (&req->dbt1, key);
1959 else
1960 {
1961 if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
1962 sv_to_dbt (&req->dbt1, key);
1963 else
1964 req->dbt1.flags = DB_DBT_MALLOC;
1965
1966 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1967 }
1968
1969 req->dbt2.flags = DB_DBT_MALLOC;
1970 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1971
1972 if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1973 || flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1974 sv_to_dbt (&req->dbt3, data);
1975 else
1976 req->dbt3.flags = DB_DBT_MALLOC;
1977
1978 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1979 REQ_SEND;
1980 }
1981 }
1982
1983 void
1984 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
1985 PREINIT:
1986 CALLBACK
1987 CODE:
1988 {
1989 dREQ (REQ_C_DEL, 1);
1990 req->dbc = dbc;
1991 req->uint1 = flags;
1992 REQ_SEND;
1993 }
1994
1995
1996 #if DB_VERSION_MINOR >= 3
1997
1998 void
1999 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
2000 PREINIT:
2001 CALLBACK
2002 CODE:
2003 {
2004 dREQ (REQ_SEQ_OPEN, 2);
2005 req->seq = seq;
2006 req->txn = txnid;
2007 req->uint1 = flags | DB_THREAD;
2008 sv_to_dbt (&req->dbt1, key);
2009 REQ_SEND;
2010 }
2011
2012 void
2013 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
2014 PREINIT:
2015 CALLBACK
2016 CODE:
2017 {
2018 dREQ (REQ_SEQ_CLOSE, 0);
2019 ptr_nuke (ST (0));
2020 req->seq = seq;
2021 req->uint1 = flags;
2022 REQ_SEND;
2023 }
2024
2025 void
2026 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2027 PREINIT:
2028 CALLBACK
2029 CODE:
2030 {
2031 dREQ (REQ_SEQ_GET, 2);
2032 req->seq = seq;
2033 req->txn = txnid;
2034 req->int1 = delta;
2035 req->uint1 = flags;
2036 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
2037 REQ_SEND;
2038 }
2039
2040 void
2041 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
2042 PREINIT:
2043 CALLBACK
2044 CODE:
2045 {
2046 dREQ (REQ_SEQ_REMOVE, 2);
2047 req->seq = seq;
2048 req->txn = txnid;
2049 req->uint1 = flags;
2050 REQ_SEND;
2051 }
2052
2053 #endif
2054
2055
2056 MODULE = BDB PACKAGE = BDB::Env
2057
2058 void
2059 DESTROY (DB_ENV_ornuked *env)
2060 CODE:
2061 if (env)
2062 env->close (env, 0);
2063
2064 int set_data_dir (DB_ENV *env, const char *dir)
2065 CODE:
2066 RETVAL = env->set_data_dir (env, dir);
2067 OUTPUT:
2068 RETVAL
2069
2070 int set_tmp_dir (DB_ENV *env, const char *dir)
2071 CODE:
2072 RETVAL = env->set_tmp_dir (env, dir);
2073 OUTPUT:
2074 RETVAL
2075
2076 int set_lg_dir (DB_ENV *env, const char *dir)
2077 CODE:
2078 RETVAL = env->set_lg_dir (env, dir);
2079 OUTPUT:
2080 RETVAL
2081
2082 int set_shm_key (DB_ENV *env, long shm_key)
2083 CODE:
2084 RETVAL = env->set_shm_key (env, shm_key);
2085 OUTPUT:
2086 RETVAL
2087
2088 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2089 CODE:
2090 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2091 OUTPUT:
2092 RETVAL
2093
2094 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2095 CODE:
2096 RETVAL = env->set_flags (env, flags, onoff);
2097 OUTPUT:
2098 RETVAL
2099
2100 #if DB_VERSION_MINOR >= 7
2101
2102 int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2103 CODE:
2104 RETVAL = env->set_intermediate_dir_mode (env, mode);
2105 OUTPUT:
2106 RETVAL
2107
2108 int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2109 CODE:
2110 RETVAL = env->log_set_config (env, flags, onoff);
2111 OUTPUT:
2112 RETVAL
2113
2114 #endif
2115
2116
2117 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2118 CODE:
2119 env->set_errfile (env, errfile);
2120
2121 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2122 CODE:
2123 env->set_msgfile (env, msgfile);
2124
2125 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2126 CODE:
2127 RETVAL = env->set_verbose (env, which, onoff);
2128 OUTPUT:
2129 RETVAL
2130
2131 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2132 CODE:
2133 RETVAL = env->set_encrypt (env, password, flags);
2134 OUTPUT:
2135 RETVAL
2136
2137 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2138 CODE:
2139 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2140 OUTPUT:
2141 RETVAL
2142
2143 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2144 CODE:
2145 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2146 OUTPUT:
2147 RETVAL
2148
2149 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2150 CODE:
2151 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2152 OUTPUT:
2153 RETVAL
2154
2155 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2156 CODE:
2157 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2158 OUTPUT:
2159 RETVAL
2160
2161 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2162 CODE:
2163 RETVAL = env->set_lk_detect (env, detect);
2164 OUTPUT:
2165 RETVAL
2166
2167 int set_lk_max_lockers (DB_ENV *env, U32 max)
2168 CODE:
2169 RETVAL = env->set_lk_max_lockers (env, max);
2170 OUTPUT:
2171 RETVAL
2172
2173 int set_lk_max_locks (DB_ENV *env, U32 max)
2174 CODE:
2175 RETVAL = env->set_lk_max_locks (env, max);
2176 OUTPUT:
2177 RETVAL
2178
2179 int set_lk_max_objects (DB_ENV *env, U32 max)
2180 CODE:
2181 RETVAL = env->set_lk_max_objects (env, max);
2182 OUTPUT:
2183 RETVAL
2184
2185 int set_lg_bsize (DB_ENV *env, U32 max)
2186 CODE:
2187 RETVAL = env->set_lg_bsize (env, max);
2188 OUTPUT:
2189 RETVAL
2190
2191 int set_lg_max (DB_ENV *env, U32 max)
2192 CODE:
2193 RETVAL = env->set_lg_max (env, max);
2194 OUTPUT:
2195 RETVAL
2196
2197 #if DB_VERSION_MINOR >= 4
2198
2199 int mutex_set_max (DB_ENV *env, U32 max)
2200 CODE:
2201 RETVAL = env->mutex_set_max (env, max);
2202 OUTPUT:
2203 RETVAL
2204
2205 int mutex_set_increment (DB_ENV *env, U32 increment)
2206 CODE:
2207 RETVAL = env->mutex_set_increment (env, increment);
2208 OUTPUT:
2209 RETVAL
2210
2211 int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2212 CODE:
2213 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2214 OUTPUT:
2215 RETVAL
2216
2217 int mutex_set_align (DB_ENV *env, U32 align)
2218 CODE:
2219 RETVAL = env->mutex_set_align (env, align);
2220 OUTPUT:
2221 RETVAL
2222
2223 #endif
2224
2225 DB_TXN *
2226 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2227 CODE:
2228 errno = env->txn_begin (env, parent, &RETVAL, flags);
2229 if (errno)
2230 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2231 OUTPUT:
2232 RETVAL
2233
2234 #if DB_VERSION_MINOR >= 5
2235
2236 DB_TXN *
2237 cdsgroup_begin (DB_ENV *env)
2238 CODE:
2239 errno = env->cdsgroup_begin (env, &RETVAL);
2240 if (errno)
2241 croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2242 OUTPUT:
2243 RETVAL
2244
2245 #endif
2246
2247 MODULE = BDB PACKAGE = BDB::Db
2248
2249 void
2250 DESTROY (DB_ornuked *db)
2251 CODE:
2252 if (db)
2253 {
2254 SV *env = (SV *)db->app_private;
2255 db->close (db, 0);
2256 SvREFCNT_dec (env);
2257 }
2258
2259 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2260 CODE:
2261 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2262 OUTPUT:
2263 RETVAL
2264
2265 int set_flags (DB *db, U32 flags)
2266 CODE:
2267 RETVAL = db->set_flags (db, flags);
2268 OUTPUT:
2269 RETVAL
2270
2271 int set_encrypt (DB *db, const char *password, U32 flags)
2272 CODE:
2273 RETVAL = db->set_encrypt (db, password, flags);
2274 OUTPUT:
2275 RETVAL
2276
2277 int set_lorder (DB *db, int lorder)
2278 CODE:
2279 RETVAL = db->set_lorder (db, lorder);
2280 OUTPUT:
2281 RETVAL
2282
2283 int set_bt_minkey (DB *db, U32 minkey)
2284 CODE:
2285 RETVAL = db->set_bt_minkey (db, minkey);
2286 OUTPUT:
2287 RETVAL
2288
2289 int set_re_delim (DB *db, int delim)
2290 CODE:
2291 RETVAL = db->set_re_delim (db, delim);
2292 OUTPUT:
2293 RETVAL
2294
2295 int set_re_pad (DB *db, int re_pad)
2296 CODE:
2297 RETVAL = db->set_re_pad (db, re_pad);
2298 OUTPUT:
2299 RETVAL
2300
2301 int set_re_source (DB *db, char *source)
2302 CODE:
2303 RETVAL = db->set_re_source (db, source);
2304 OUTPUT:
2305 RETVAL
2306
2307 int set_re_len (DB *db, U32 re_len)
2308 CODE:
2309 RETVAL = db->set_re_len (db, re_len);
2310 OUTPUT:
2311 RETVAL
2312
2313 int set_h_ffactor (DB *db, U32 h_ffactor)
2314 CODE:
2315 RETVAL = db->set_h_ffactor (db, h_ffactor);
2316 OUTPUT:
2317 RETVAL
2318
2319 int set_h_nelem (DB *db, U32 h_nelem)
2320 CODE:
2321 RETVAL = db->set_h_nelem (db, h_nelem);
2322 OUTPUT:
2323 RETVAL
2324
2325 int set_q_extentsize (DB *db, U32 extentsize)
2326 CODE:
2327 RETVAL = db->set_q_extentsize (db, extentsize);
2328 OUTPUT:
2329 RETVAL
2330
2331 DBC *
2332 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2333 CODE:
2334 errno = db->cursor (db, txn, &RETVAL, flags);
2335 if (errno)
2336 croak ("DB->cursor: %s", db_strerror (errno));
2337 OUTPUT:
2338 RETVAL
2339
2340 #if DB_VERSION_MINOR >= 3
2341
2342 DB_SEQUENCE *
2343 sequence (DB *db, U32 flags = 0)
2344 CODE:
2345 {
2346 errno = db_sequence_create (&RETVAL, db, flags);
2347 if (errno)
2348 croak ("db_sequence_create: %s", db_strerror (errno));
2349 }
2350 OUTPUT:
2351 RETVAL
2352
2353 #endif
2354
2355
2356 MODULE = BDB PACKAGE = BDB::Txn
2357
2358 void
2359 DESTROY (DB_TXN_ornuked *txn)
2360 CODE:
2361 if (txn)
2362 txn->abort (txn);
2363
2364 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2365 CODE:
2366 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2367 OUTPUT:
2368 RETVAL
2369
2370 int failed (DB_TXN *txn)
2371 CODE:
2372 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2373 OUTPUT:
2374 RETVAL
2375
2376
2377 MODULE = BDB PACKAGE = BDB::Cursor
2378
2379 void
2380 DESTROY (DBC_ornuked *dbc)
2381 CODE:
2382 if (dbc)
2383 dbc->c_close (dbc);
2384
2385 #if DB_VERSION_MINOR >= 6
2386
2387 int set_priority (DBC *dbc, int priority)
2388 CODE:
2389 dbc->set_priority (dbc, priority);
2390
2391 #endif
2392
2393 #if DB_VERSION_MINOR >= 3
2394
2395 MODULE = BDB PACKAGE = BDB::Sequence
2396
2397 void
2398 DESTROY (DB_SEQUENCE_ornuked *seq)
2399 CODE:
2400 if (seq)
2401 seq->close (seq, 0);
2402
2403 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2404 CODE:
2405 RETVAL = seq->initial_value (seq, value);
2406 OUTPUT:
2407 RETVAL
2408
2409 int set_cachesize (DB_SEQUENCE *seq, U32 size)
2410 CODE:
2411 RETVAL = seq->set_cachesize (seq, size);
2412 OUTPUT:
2413 RETVAL
2414
2415 int set_flags (DB_SEQUENCE *seq, U32 flags)
2416 CODE:
2417 RETVAL = seq->set_flags (seq, flags);
2418 OUTPUT:
2419 RETVAL
2420
2421 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2422 CODE:
2423 RETVAL = seq->set_range (seq, min, max);
2424 OUTPUT:
2425 RETVAL
2426
2427 #endif
2428
2429