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/cvs/BDB/BDB.xs
Revision: 1.15
Committed: Mon Aug 13 11:16:22 2007 UTC (16 years, 9 months ago) by root
Branch: MAIN
Changes since 1.14: +3 -0 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 #include "xthread.h"
2
3 #include <errno.h>
4
5 #include "EXTERN.h"
6 #include "perl.h"
7 #include "XSUB.h"
8
9 // perl stupidly defines these as macros, breaking
10 // lots and lots of code.
11 #undef open
12 #undef close
13 #undef abort
14 #undef malloc
15 #undef free
16 #undef send
17
18 #include <stddef.h>
19 #include <stdlib.h>
20 #include <errno.h>
21 #include <sys/types.h>
22 #include <limits.h>
23 #include <fcntl.h>
24
25 #ifndef _WIN32
26 # include <sys/time.h>
27 # include <unistd.h>
28 #endif
29
30 #include <db.h>
31
32 #if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
33 # error you need Berkeley DB 4.4 or newer installed
34 #endif
35
36 /* number of seconds after which idle threads exit */
37 #define IDLE_TIMEOUT 10
38
39 typedef DB_ENV DB_ENV_ornull;
40 typedef DB_TXN DB_TXN_ornull;
41 typedef DBC DBC_ornull;
42 typedef DB DB_ornull;
43 typedef DB_SEQUENCE DB_SEQUENCE_ornull;
44
45 typedef SV SV8; /* byte-sv, used for argument-checking */
46 typedef char *octetstring;
47
48 static SV *prepare_cb;
49
50 static void
51 debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
52 {
53 printf ("err[%s]\n", msg);
54 }
55
56 static void
57 debug_msgcall (const DB_ENV *dbenv, const char *msg)
58 {
59 printf ("msg[%s]\n", msg);
60 }
61
62 static char *
63 strdup_ornull (const char *s)
64 {
65 return s ? strdup (s) : 0;
66 }
67
68 static void
69 sv_to_dbt (DBT *dbt, SV *sv)
70 {
71 STRLEN len;
72 char *data = SvPVbyte (sv, len);
73
74 dbt->data = malloc (len);
75 memcpy (dbt->data, data, len);
76 dbt->size = len;
77 dbt->flags = DB_DBT_REALLOC;
78 }
79
80 static void
81 dbt_to_sv (SV *sv, DBT *dbt)
82 {
83 if (sv)
84 {
85 SvREADONLY_off (sv);
86 sv_setpvn_mg (sv, dbt->data, dbt->size);
87 SvREFCNT_dec (sv);
88 }
89
90 free (dbt->data);
91 }
92
93 enum {
94 REQ_QUIT,
95 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
96 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
97 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
98 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
99 REQ_TXN_COMMIT, REQ_TXN_ABORT,
100 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
101 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
102 };
103
104 typedef struct aio_cb
105 {
106 struct aio_cb *volatile next;
107 SV *callback;
108 int type, pri, result;
109
110 DB_ENV *env;
111 DB *db;
112 DB_TXN *txn;
113 DBC *dbc;
114
115 UV uv1;
116 int int1, int2;
117 U32 uint1, uint2;
118 char *buf1, *buf2;
119 SV *sv1, *sv2, *sv3;
120
121 DBT dbt1, dbt2, dbt3;
122 DB_KEY_RANGE key_range;
123 DB_SEQUENCE *seq;
124 db_seq_t seq_t;
125 } aio_cb;
126
127 typedef aio_cb *aio_req;
128
129 enum {
130 PRI_MIN = -4,
131 PRI_MAX = 4,
132
133 DEFAULT_PRI = 0,
134 PRI_BIAS = -PRI_MIN,
135 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
136 };
137
138 #define AIO_TICKS ((1000000 + 1023) >> 10)
139
140 static unsigned int max_poll_time = 0;
141 static unsigned int max_poll_reqs = 0;
142
143 /* calculcate time difference in ~1/AIO_TICKS of a second */
144 static int tvdiff (struct timeval *tv1, struct timeval *tv2)
145 {
146 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
147 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
148 }
149
150 static int next_pri = DEFAULT_PRI + PRI_BIAS;
151
152 static unsigned int started, idle, wanted;
153
154 /* worker threads management */
155 static mutex_t wrklock = X_MUTEX_INIT;
156
157 typedef struct worker {
158 /* locked by wrklock */
159 struct worker *prev, *next;
160
161 thread_t tid;
162
163 /* locked by reslock, reqlock or wrklock */
164 aio_req req; /* currently processed request */
165 void *dbuf;
166 DIR *dirp;
167 } worker;
168
169 static worker wrk_first = { &wrk_first, &wrk_first, 0 };
170
171 static void worker_clear (worker *wrk)
172 {
173 }
174
175 static void worker_free (worker *wrk)
176 {
177 wrk->next->prev = wrk->prev;
178 wrk->prev->next = wrk->next;
179
180 free (wrk);
181 }
182
183 static volatile unsigned int nreqs, nready, npending;
184 static volatile unsigned int max_idle = 4;
185 static volatile unsigned int max_outstanding = 0xffffffff;
186 static int respipe [2], respipe_osf [2];
187
188 static mutex_t reslock = X_MUTEX_INIT;
189 static mutex_t reqlock = X_MUTEX_INIT;
190 static cond_t reqwait = X_COND_INIT;
191
192 #if WORDACCESS_UNSAFE
193
194 static unsigned int get_nready ()
195 {
196 unsigned int retval;
197
198 X_LOCK (reqlock);
199 retval = nready;
200 X_UNLOCK (reqlock);
201
202 return retval;
203 }
204
205 static unsigned int get_npending ()
206 {
207 unsigned int retval;
208
209 X_LOCK (reslock);
210 retval = npending;
211 X_UNLOCK (reslock);
212
213 return retval;
214 }
215
216 static unsigned int get_nthreads ()
217 {
218 unsigned int retval;
219
220 X_LOCK (wrklock);
221 retval = started;
222 X_UNLOCK (wrklock);
223
224 return retval;
225 }
226
227 #else
228
229 # define get_nready() nready
230 # define get_npending() npending
231 # define get_nthreads() started
232
233 #endif
234
235 /*
236 * a somewhat faster data structure might be nice, but
237 * with 8 priorities this actually needs <20 insns
238 * per shift, the most expensive operation.
239 */
240 typedef struct {
241 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
242 int size;
243 } reqq;
244
245 static reqq req_queue;
246 static reqq res_queue;
247
248 int reqq_push (reqq *q, aio_req req)
249 {
250 int pri = req->pri;
251 req->next = 0;
252
253 if (q->qe[pri])
254 {
255 q->qe[pri]->next = req;
256 q->qe[pri] = req;
257 }
258 else
259 q->qe[pri] = q->qs[pri] = req;
260
261 return q->size++;
262 }
263
264 aio_req reqq_shift (reqq *q)
265 {
266 int pri;
267
268 if (!q->size)
269 return 0;
270
271 --q->size;
272
273 for (pri = NUM_PRI; pri--; )
274 {
275 aio_req req = q->qs[pri];
276
277 if (req)
278 {
279 if (!(q->qs[pri] = req->next))
280 q->qe[pri] = 0;
281
282 return req;
283 }
284 }
285
286 abort ();
287 }
288
289 static int poll_cb ();
290 static void req_free (aio_req req);
291 static void req_cancel (aio_req req);
292
293 static int req_invoke (aio_req req)
294 {
295 dSP;
296
297 if (SvOK (req->callback))
298 {
299 ENTER;
300 SAVETMPS;
301 PUSHMARK (SP);
302
303 switch (req->type)
304 {
305 case REQ_DB_CLOSE:
306 SvREFCNT_dec (req->sv1);
307 break;
308
309 case REQ_DB_GET:
310 case REQ_DB_PGET:
311 dbt_to_sv (req->sv3, &req->dbt3);
312 break;
313
314 case REQ_C_GET:
315 case REQ_C_PGET:
316 dbt_to_sv (req->sv1, &req->dbt1);
317 dbt_to_sv (req->sv2, &req->dbt2);
318 dbt_to_sv (req->sv3, &req->dbt3);
319 break;
320
321 case REQ_DB_KEY_RANGE:
322 {
323 AV *av = newAV ();
324
325 av_push (av, newSVnv (req->key_range.less));
326 av_push (av, newSVnv (req->key_range.equal));
327 av_push (av, newSVnv (req->key_range.greater));
328
329 SvREADONLY_off (req->sv1);
330 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
331 SvREFCNT_dec (req->sv1);
332 }
333 break;
334
335 case REQ_SEQ_GET:
336 SvREADONLY_off (req->sv1);
337
338 if (sizeof (IV) > 4)
339 sv_setiv_mg (req->sv1, req->seq_t);
340 else
341 sv_setnv_mg (req->sv1, req->seq_t);
342
343 SvREFCNT_dec (req->sv1);
344 break;
345 }
346
347 errno = req->result;
348
349 PUTBACK;
350 call_sv (req->callback, G_VOID | G_EVAL);
351 SPAGAIN;
352
353 FREETMPS;
354 LEAVE;
355 }
356
357 return !SvTRUE (ERRSV);
358 }
359
360 static void req_free (aio_req req)
361 {
362 free (req->buf1);
363 free (req->buf2);
364 Safefree (req);
365 }
366
367 #ifdef USE_SOCKETS_AS_HANDLES
368 # define TO_SOCKET(x) (win32_get_osfhandle (x))
369 #else
370 # define TO_SOCKET(x) (x)
371 #endif
372
373 static void
374 create_pipe (int fd[2])
375 {
376 #ifdef _WIN32
377 int arg = 1;
378 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
379 || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
380 || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
381 #else
382 if (pipe (fd)
383 || fcntl (fd [0], F_SETFL, O_NONBLOCK)
384 || fcntl (fd [1], F_SETFL, O_NONBLOCK))
385 #endif
386 croak ("unable to initialize result pipe");
387
388 respipe_osf [0] = TO_SOCKET (respipe [0]);
389 respipe_osf [1] = TO_SOCKET (respipe [1]);
390 }
391
392 X_THREAD_PROC (bdb_proc);
393
394 static void start_thread (void)
395 {
396 worker *wrk = calloc (1, sizeof (worker));
397
398 if (!wrk)
399 croak ("unable to allocate worker thread data");
400
401 X_LOCK (wrklock);
402 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
403 {
404 wrk->prev = &wrk_first;
405 wrk->next = wrk_first.next;
406 wrk_first.next->prev = wrk;
407 wrk_first.next = wrk;
408 ++started;
409 }
410 else
411 free (wrk);
412
413 X_UNLOCK (wrklock);
414 }
415
416 static void maybe_start_thread ()
417 {
418 if (get_nthreads () >= wanted)
419 return;
420
421 /* todo: maybe use idle here, but might be less exact */
422 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
423 return;
424
425 start_thread ();
426 }
427
428 static void req_send (aio_req req)
429 {
430 SV *wait_callback = 0;
431
432 // synthesize callback if none given
433 if (!SvOK (req->callback))
434 {
435 int count;
436
437 dSP;
438 PUSHMARK (SP);
439 PUTBACK;
440 count = call_sv (prepare_cb, G_ARRAY);
441 SPAGAIN;
442
443 if (count != 2)
444 croak ("prepare callback must return exactly two values\n");
445
446 wait_callback = SvREFCNT_inc (POPs);
447 SvREFCNT_dec (req->callback);
448 req->callback = SvREFCNT_inc (POPs);
449 }
450
451 ++nreqs;
452
453 X_LOCK (reqlock);
454 ++nready;
455 reqq_push (&req_queue, req);
456 X_COND_SIGNAL (reqwait);
457 X_UNLOCK (reqlock);
458
459 maybe_start_thread ();
460
461 if (wait_callback)
462 {
463 dSP;
464 PUSHMARK (SP);
465 PUTBACK;
466 call_sv (wait_callback, G_DISCARD);
467 SvREFCNT_dec (wait_callback);
468 }
469 }
470
471 static void end_thread (void)
472 {
473 aio_req req;
474
475 Newz (0, req, 1, aio_cb);
476
477 req->type = REQ_QUIT;
478 req->pri = PRI_MAX + PRI_BIAS;
479
480 X_LOCK (reqlock);
481 reqq_push (&req_queue, req);
482 X_COND_SIGNAL (reqwait);
483 X_UNLOCK (reqlock);
484
485 X_LOCK (wrklock);
486 --started;
487 X_UNLOCK (wrklock);
488 }
489
490 static void set_max_idle (int nthreads)
491 {
492 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
493 max_idle = nthreads <= 0 ? 1 : nthreads;
494 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
495 }
496
497 static void min_parallel (int nthreads)
498 {
499 if (wanted < nthreads)
500 wanted = nthreads;
501 }
502
503 static void max_parallel (int nthreads)
504 {
505 if (wanted > nthreads)
506 wanted = nthreads;
507
508 while (started > wanted)
509 end_thread ();
510 }
511
512 static void poll_wait ()
513 {
514 fd_set rfd;
515
516 while (nreqs)
517 {
518 int size;
519 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
520 size = res_queue.size;
521 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
522
523 if (size)
524 return;
525
526 maybe_start_thread ();
527
528 FD_ZERO (&rfd);
529 FD_SET (respipe [0], &rfd);
530
531 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
532 }
533 }
534
535 static int poll_cb ()
536 {
537 dSP;
538 int count = 0;
539 int maxreqs = max_poll_reqs;
540 int do_croak = 0;
541 struct timeval tv_start, tv_now;
542 aio_req req;
543
544 if (max_poll_time)
545 gettimeofday (&tv_start, 0);
546
547 for (;;)
548 {
549 for (;;)
550 {
551 maybe_start_thread ();
552
553 X_LOCK (reslock);
554 req = reqq_shift (&res_queue);
555
556 if (req)
557 {
558 --npending;
559
560 if (!res_queue.size)
561 {
562 /* read any signals sent by the worker threads */
563 char buf [4];
564 while (respipe_read (respipe [0], buf, 4) == 4)
565 ;
566 }
567 }
568
569 X_UNLOCK (reslock);
570
571 if (!req)
572 break;
573
574 --nreqs;
575
576 if (!req_invoke (req))
577 {
578 req_free (req);
579 croak (0);
580 }
581
582 count++;
583
584 req_free (req);
585
586 if (maxreqs && !--maxreqs)
587 break;
588
589 if (max_poll_time)
590 {
591 gettimeofday (&tv_now, 0);
592
593 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
594 break;
595 }
596 }
597
598 if (nreqs <= max_outstanding)
599 break;
600
601 poll_wait ();
602
603 ++maxreqs;
604 }
605
606 return count;
607 }
608
609 /*****************************************************************************/
610
611 X_THREAD_PROC (bdb_proc)
612 {
613 aio_req req;
614 struct timespec ts;
615 worker *self = (worker *)thr_arg;
616
617 /* try to distribute timeouts somewhat evenly */
618 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
619
620 for (;;)
621 {
622 ts.tv_sec = time (0) + IDLE_TIMEOUT;
623
624 X_LOCK (reqlock);
625
626 for (;;)
627 {
628 self->req = req = reqq_shift (&req_queue);
629
630 if (req)
631 break;
632
633 ++idle;
634
635 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
636 == ETIMEDOUT)
637 {
638 if (idle > max_idle)
639 {
640 --idle;
641 X_UNLOCK (reqlock);
642 X_LOCK (wrklock);
643 --started;
644 X_UNLOCK (wrklock);
645 goto quit;
646 }
647
648 /* we are allowed to idle, so do so without any timeout */
649 X_COND_WAIT (reqwait, reqlock);
650 ts.tv_sec = time (0) + IDLE_TIMEOUT;
651 }
652
653 --idle;
654 }
655
656 --nready;
657
658 X_UNLOCK (reqlock);
659
660 switch (req->type)
661 {
662 case REQ_QUIT:
663 goto quit;
664
665 case REQ_ENV_OPEN:
666 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
667 break;
668
669 case REQ_ENV_CLOSE:
670 req->result = req->env->close (req->env, req->uint1);
671 break;
672
673 case REQ_ENV_TXN_CHECKPOINT:
674 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
675 break;
676
677 case REQ_ENV_LOCK_DETECT:
678 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
679 break;
680
681 case REQ_ENV_MEMP_SYNC:
682 req->result = req->env->memp_sync (req->env, 0);
683 break;
684
685 case REQ_ENV_MEMP_TRICKLE:
686 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
687 break;
688
689 case REQ_DB_OPEN:
690 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
691 break;
692
693 case REQ_DB_CLOSE:
694 req->result = req->db->close (req->db, req->uint1);
695 break;
696
697 case REQ_DB_COMPACT:
698 req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
699 break;
700
701 case REQ_DB_SYNC:
702 req->result = req->db->sync (req->db, req->uint1);
703 break;
704
705 case REQ_DB_PUT:
706 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
707 break;
708
709 case REQ_DB_GET:
710 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
711 break;
712
713 case REQ_DB_PGET:
714 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
715 break;
716
717 case REQ_DB_DEL:
718 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
719 break;
720
721 case REQ_DB_KEY_RANGE:
722 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
723 break;
724
725 case REQ_TXN_COMMIT:
726 req->result = req->txn->commit (req->txn, req->uint1);
727 break;
728
729 case REQ_TXN_ABORT:
730 req->result = req->txn->abort (req->txn);
731 break;
732
733 case REQ_C_CLOSE:
734 req->result = req->dbc->c_close (req->dbc);
735 break;
736
737 case REQ_C_COUNT:
738 {
739 db_recno_t recno;
740 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
741 req->uv1 = recno;
742 }
743 break;
744
745 case REQ_C_PUT:
746 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
747 break;
748
749 case REQ_C_GET:
750 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
751 break;
752
753 case REQ_C_PGET:
754 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
755 break;
756
757 case REQ_C_DEL:
758 req->result = req->dbc->c_del (req->dbc, req->uint1);
759 break;
760
761 case REQ_SEQ_OPEN:
762 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
763 break;
764
765 case REQ_SEQ_CLOSE:
766 req->result = req->seq->close (req->seq, req->uint1);
767 break;
768
769 case REQ_SEQ_GET:
770 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
771 break;
772
773 case REQ_SEQ_REMOVE:
774 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
775 break;
776
777 default:
778 req->result = ENOSYS;
779 break;
780 }
781
782 X_LOCK (reslock);
783
784 ++npending;
785
786 if (!reqq_push (&res_queue, req))
787 /* write a dummy byte to the pipe so fh becomes ready */
788 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
789
790 self->req = 0;
791 worker_clear (self);
792
793 X_UNLOCK (reslock);
794 }
795
796 quit:
797 X_LOCK (wrklock);
798 worker_free (self);
799 X_UNLOCK (wrklock);
800
801 return 0;
802 }
803
804 /*****************************************************************************/
805
806 static void atfork_prepare (void)
807 {
808 X_LOCK (wrklock);
809 X_LOCK (reqlock);
810 X_LOCK (reslock);
811 }
812
813 static void atfork_parent (void)
814 {
815 X_UNLOCK (reslock);
816 X_UNLOCK (reqlock);
817 X_UNLOCK (wrklock);
818 }
819
820 static void atfork_child (void)
821 {
822 aio_req prv;
823
824 while (prv = reqq_shift (&req_queue))
825 req_free (prv);
826
827 while (prv = reqq_shift (&res_queue))
828 req_free (prv);
829
830 while (wrk_first.next != &wrk_first)
831 {
832 worker *wrk = wrk_first.next;
833
834 if (wrk->req)
835 req_free (wrk->req);
836
837 worker_clear (wrk);
838 worker_free (wrk);
839 }
840
841 started = 0;
842 idle = 0;
843 nreqs = 0;
844 nready = 0;
845 npending = 0;
846
847 respipe_close (respipe [0]);
848 respipe_close (respipe [1]);
849
850 create_pipe (respipe);
851
852 atfork_parent ();
853 }
854
855 #define dREQ(reqtype) \
856 aio_req req; \
857 int req_pri = next_pri; \
858 next_pri = DEFAULT_PRI + PRI_BIAS; \
859 \
860 if (SvOK (callback) && !SvROK (callback)) \
861 croak ("callback must be undef or of reference type"); \
862 \
863 Newz (0, req, 1, aio_cb); \
864 if (!req) \
865 croak ("out of memory during aio_req allocation"); \
866 \
867 req->callback = newSVsv (callback); \
868 req->type = (reqtype); \
869 req->pri = req_pri
870
871 #define REQ_SEND \
872 req_send (req)
873
874 #define SvPTR(var, arg, type, class, nullok) \
875 if (!SvOK (arg)) \
876 { \
877 if (!nullok) \
878 croak (# var " must be a " # class " object, not undef"); \
879 \
880 (var) = 0; \
881 } \
882 else if (sv_derived_from ((arg), # class)) \
883 { \
884 IV tmp = SvIV ((SV*) SvRV (arg)); \
885 (var) = INT2PTR (type, tmp); \
886 if (!var) \
887 croak (# var " is not a valid " # class " object anymore"); \
888 } \
889 else \
890 croak (# var " is not of type " # class); \
891 \
892
893 static void
894 ptr_nuke (SV *sv)
895 {
896 assert (SvROK (sv));
897 sv_setiv (SvRV (sv), 0);
898 }
899
900 MODULE = BDB PACKAGE = BDB
901
902 PROTOTYPES: ENABLE
903
904 BOOT:
905 {
906 HV *stash = gv_stashpv ("BDB", 1);
907
908 static const struct {
909 const char *name;
910 IV iv;
911 } *civ, const_iv[] = {
912 #define const_iv(name) { # name, (IV)DB_ ## name },
913 const_iv (RPCCLIENT)
914 const_iv (INIT_CDB)
915 const_iv (INIT_LOCK)
916 const_iv (INIT_LOG)
917 const_iv (INIT_MPOOL)
918 const_iv (INIT_REP)
919 const_iv (INIT_TXN)
920 const_iv (RECOVER)
921 const_iv (INIT_TXN)
922 const_iv (RECOVER_FATAL)
923 const_iv (CREATE)
924 const_iv (USE_ENVIRON)
925 const_iv (USE_ENVIRON_ROOT)
926 const_iv (LOCKDOWN)
927 const_iv (PRIVATE)
928 const_iv (REGISTER)
929 const_iv (SYSTEM_MEM)
930 const_iv (AUTO_COMMIT)
931 const_iv (CDB_ALLDB)
932 const_iv (DIRECT_DB)
933 const_iv (DIRECT_LOG)
934 const_iv (DSYNC_DB)
935 const_iv (DSYNC_LOG)
936 const_iv (LOG_AUTOREMOVE)
937 const_iv (LOG_INMEMORY)
938 const_iv (NOLOCKING)
939 const_iv (NOMMAP)
940 const_iv (NOPANIC)
941 const_iv (OVERWRITE)
942 const_iv (PANIC_ENVIRONMENT)
943 const_iv (REGION_INIT)
944 const_iv (TIME_NOTGRANTED)
945 const_iv (TXN_NOSYNC)
946 const_iv (TXN_WRITE_NOSYNC)
947 const_iv (WRITECURSOR)
948 const_iv (YIELDCPU)
949 const_iv (ENCRYPT_AES)
950 const_iv (XA_CREATE)
951 const_iv (BTREE)
952 const_iv (HASH)
953 const_iv (QUEUE)
954 const_iv (RECNO)
955 const_iv (UNKNOWN)
956 const_iv (EXCL)
957 const_iv (READ_COMMITTED)
958 const_iv (READ_UNCOMMITTED)
959 const_iv (TRUNCATE)
960 const_iv (NOSYNC)
961 const_iv (CHKSUM)
962 const_iv (ENCRYPT)
963 const_iv (TXN_NOT_DURABLE)
964 const_iv (DUP)
965 const_iv (DUPSORT)
966 const_iv (RECNUM)
967 const_iv (RENUMBER)
968 const_iv (REVSPLITOFF)
969 const_iv (INORDER)
970 const_iv (CONSUME)
971 const_iv (CONSUME_WAIT)
972 const_iv (GET_BOTH)
973 const_iv (GET_BOTH_RANGE)
974 //const_iv (SET_RECNO)
975 //const_iv (MULTIPLE)
976 const_iv (SNAPSHOT)
977 const_iv (JOIN_ITEM)
978 const_iv (RMW)
979
980 const_iv (NOTFOUND)
981 const_iv (KEYEMPTY)
982 const_iv (LOCK_DEADLOCK)
983 const_iv (LOCK_NOTGRANTED)
984 const_iv (RUNRECOVERY)
985 const_iv (OLD_VERSION)
986 const_iv (REP_HANDLE_DEAD)
987 const_iv (REP_LOCKOUT)
988 const_iv (SECONDARY_BAD)
989
990 const_iv (FREE_SPACE)
991 const_iv (FREELIST_ONLY)
992
993 const_iv (APPEND)
994 const_iv (NODUPDATA)
995 const_iv (NOOVERWRITE)
996
997 const_iv (TXN_NOWAIT)
998 const_iv (TXN_SYNC)
999
1000 const_iv (SET_LOCK_TIMEOUT)
1001 const_iv (SET_TXN_TIMEOUT)
1002
1003 const_iv (JOIN_ITEM)
1004 const_iv (FIRST)
1005 const_iv (NEXT)
1006 const_iv (NEXT_DUP)
1007 const_iv (NEXT_NODUP)
1008 const_iv (PREV)
1009 const_iv (PREV_NODUP)
1010 const_iv (SET)
1011 const_iv (SET_RANGE)
1012 const_iv (LAST)
1013 const_iv (BEFORE)
1014 const_iv (AFTER)
1015 const_iv (CURRENT)
1016 const_iv (KEYFIRST)
1017 const_iv (KEYLAST)
1018 const_iv (NODUPDATA)
1019
1020 const_iv (FORCE)
1021
1022 const_iv (LOCK_DEFAULT)
1023 const_iv (LOCK_EXPIRE)
1024 const_iv (LOCK_MAXLOCKS)
1025 const_iv (LOCK_MAXWRITE)
1026 const_iv (LOCK_MINLOCKS)
1027 const_iv (LOCK_MINWRITE)
1028 const_iv (LOCK_OLDEST)
1029 const_iv (LOCK_RANDOM)
1030 const_iv (LOCK_YOUNGEST)
1031
1032 const_iv (SEQ_DEC)
1033 const_iv (SEQ_INC)
1034 const_iv (SEQ_WRAP)
1035
1036 const_iv (BUFFER_SMALL)
1037 const_iv (DONOTINDEX)
1038 const_iv (KEYEMPTY )
1039 const_iv (KEYEXIST )
1040 const_iv (LOCK_DEADLOCK)
1041 const_iv (LOCK_NOTGRANTED)
1042 const_iv (LOG_BUFFER_FULL)
1043 const_iv (NOSERVER)
1044 const_iv (NOSERVER_HOME)
1045 const_iv (NOSERVER_ID)
1046 const_iv (NOTFOUND)
1047 const_iv (OLD_VERSION)
1048 const_iv (PAGE_NOTFOUND)
1049 const_iv (REP_DUPMASTER)
1050 const_iv (REP_HANDLE_DEAD)
1051 const_iv (REP_HOLDELECTION)
1052 const_iv (REP_IGNORE)
1053 const_iv (REP_ISPERM)
1054 const_iv (REP_JOIN_FAILURE)
1055 const_iv (REP_LOCKOUT)
1056 const_iv (REP_NEWMASTER)
1057 const_iv (REP_NEWSITE)
1058 const_iv (REP_NOTPERM)
1059 const_iv (REP_UNAVAIL)
1060 const_iv (RUNRECOVERY)
1061 const_iv (SECONDARY_BAD)
1062 const_iv (VERIFY_BAD)
1063 const_iv (VERSION_MISMATCH)
1064
1065 const_iv (VERB_DEADLOCK)
1066 const_iv (VERB_RECOVERY)
1067 const_iv (VERB_REGISTER)
1068 const_iv (VERB_REPLICATION)
1069 const_iv (VERB_WAITSFOR)
1070
1071 const_iv (VERSION_MAJOR)
1072 const_iv (VERSION_MINOR)
1073 const_iv (VERSION_PATCH)
1074 #if DB_VERSION_MINOR >= 5
1075 const_iv (MULTIVERSION)
1076 const_iv (TXN_SNAPSHOT)
1077 #endif
1078 #if DB_VERSION_MINOR >= 6
1079 const_iv (DB_PREV_DUP)
1080 #endif
1081 };
1082
1083 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1084 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1085
1086 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1087 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1088
1089 create_pipe (respipe);
1090
1091 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1092 #ifdef _WIN32
1093 X_MUTEX_CHECK (wrklock);
1094 X_MUTEX_CHECK (reslock);
1095 X_MUTEX_CHECK (reqlock);
1096
1097 X_COND_CHECK (reqwait);
1098 #endif
1099 }
1100
1101 void
1102 max_poll_reqs (int nreqs)
1103 PROTOTYPE: $
1104 CODE:
1105 max_poll_reqs = nreqs;
1106
1107 void
1108 max_poll_time (double nseconds)
1109 PROTOTYPE: $
1110 CODE:
1111 max_poll_time = nseconds * AIO_TICKS;
1112
1113 void
1114 min_parallel (int nthreads)
1115 PROTOTYPE: $
1116
1117 void
1118 max_parallel (int nthreads)
1119 PROTOTYPE: $
1120
1121 void
1122 max_idle (int nthreads)
1123 PROTOTYPE: $
1124 CODE:
1125 set_max_idle (nthreads);
1126
1127 int
1128 max_outstanding (int maxreqs)
1129 PROTOTYPE: $
1130 CODE:
1131 RETVAL = max_outstanding;
1132 max_outstanding = maxreqs;
1133 OUTPUT:
1134 RETVAL
1135
1136 int
1137 dbreq_pri (int pri = 0)
1138 PROTOTYPE: ;$
1139 CODE:
1140 RETVAL = next_pri - PRI_BIAS;
1141 if (items > 0)
1142 {
1143 if (pri < PRI_MIN) pri = PRI_MIN;
1144 if (pri > PRI_MAX) pri = PRI_MAX;
1145 next_pri = pri + PRI_BIAS;
1146 }
1147 OUTPUT:
1148 RETVAL
1149
1150 void
1151 dbreq_nice (int nice = 0)
1152 CODE:
1153 nice = next_pri - nice;
1154 if (nice < PRI_MIN) nice = PRI_MIN;
1155 if (nice > PRI_MAX) nice = PRI_MAX;
1156 next_pri = nice + PRI_BIAS;
1157
1158 void
1159 flush ()
1160 PROTOTYPE:
1161 CODE:
1162 while (nreqs)
1163 {
1164 poll_wait ();
1165 poll_cb ();
1166 }
1167
1168 int
1169 poll ()
1170 PROTOTYPE:
1171 CODE:
1172 poll_wait ();
1173 RETVAL = poll_cb ();
1174 OUTPUT:
1175 RETVAL
1176
1177 int
1178 poll_fileno ()
1179 PROTOTYPE:
1180 CODE:
1181 RETVAL = respipe [0];
1182 OUTPUT:
1183 RETVAL
1184
1185 int
1186 poll_cb (...)
1187 PROTOTYPE:
1188 CODE:
1189 RETVAL = poll_cb ();
1190 OUTPUT:
1191 RETVAL
1192
1193 void
1194 poll_wait ()
1195 PROTOTYPE:
1196 CODE:
1197 poll_wait ();
1198
1199 int
1200 nreqs ()
1201 PROTOTYPE:
1202 CODE:
1203 RETVAL = nreqs;
1204 OUTPUT:
1205 RETVAL
1206
1207 int
1208 nready ()
1209 PROTOTYPE:
1210 CODE:
1211 RETVAL = get_nready ();
1212 OUTPUT:
1213 RETVAL
1214
1215 int
1216 npending ()
1217 PROTOTYPE:
1218 CODE:
1219 RETVAL = get_npending ();
1220 OUTPUT:
1221 RETVAL
1222
1223 int
1224 nthreads ()
1225 PROTOTYPE:
1226 CODE:
1227 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1228 RETVAL = started;
1229 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1230 OUTPUT:
1231 RETVAL
1232
1233 void
1234 set_sync_prepare (SV *cb)
1235 PROTOTYPE: &
1236 CODE:
1237 SvREFCNT_dec (prepare_cb);
1238 prepare_cb = newSVsv (cb);
1239
1240 char *
1241 strerror (int errorno = errno)
1242 PROTOTYPE: ;$
1243 CODE:
1244 RETVAL = db_strerror (errorno);
1245 OUTPUT:
1246 RETVAL
1247
1248 DB_ENV *
1249 db_env_create (U32 env_flags = 0)
1250 CODE:
1251 {
1252 errno = db_env_create (&RETVAL, env_flags);
1253 if (errno)
1254 croak ("db_env_create: %s", db_strerror (errno));
1255
1256 if (0)
1257 {
1258 RETVAL->set_errcall (RETVAL, debug_errcall);
1259 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1260 }
1261 }
1262 OUTPUT:
1263 RETVAL
1264
1265 void
1266 db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1267 CODE:
1268 {
1269 dREQ (REQ_ENV_OPEN);
1270
1271 env->set_thread_count (env, wanted + 2);
1272
1273 req->env = env;
1274 req->uint1 = open_flags | DB_THREAD;
1275 req->int1 = mode;
1276 req->buf1 = strdup_ornull (db_home);
1277 REQ_SEND;
1278 }
1279
1280 void
1281 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)
1282 CODE:
1283 {
1284 dREQ (REQ_ENV_CLOSE);
1285 req->env = env;
1286 req->uint1 = flags;
1287 REQ_SEND;
1288 ptr_nuke (ST (0));
1289 }
1290
1291 void
1292 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1293 CODE:
1294 {
1295 dREQ (REQ_ENV_TXN_CHECKPOINT);
1296 req->env = env;
1297 req->uint1 = kbyte;
1298 req->int1 = min;
1299 req->uint2 = flags;
1300 REQ_SEND;
1301 }
1302
1303 void
1304 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
1305 CODE:
1306 {
1307 dREQ (REQ_ENV_LOCK_DETECT);
1308 req->env = env;
1309 req->uint1 = flags;
1310 req->uint2 = atype;
1311 REQ_SEND;
1312 }
1313
1314 void
1315 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
1316 CODE:
1317 {
1318 dREQ (REQ_ENV_MEMP_SYNC);
1319 req->env = env;
1320 REQ_SEND;
1321 }
1322
1323 void
1324 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
1325 CODE:
1326 {
1327 dREQ (REQ_ENV_MEMP_TRICKLE);
1328 req->env = env;
1329 req->int1 = percent;
1330 REQ_SEND;
1331 }
1332
1333
1334 DB *
1335 db_create (DB_ENV *env = 0, U32 flags = 0)
1336 CODE:
1337 {
1338 errno = db_create (&RETVAL, env, flags);
1339 if (errno)
1340 croak ("db_create: %s", db_strerror (errno));
1341
1342 if (RETVAL)
1343 RETVAL->app_private = (void *)newSVsv (ST (0));
1344 }
1345 OUTPUT:
1346 RETVAL
1347
1348 void
1349 db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1350 CODE:
1351 {
1352 dREQ (REQ_DB_OPEN);
1353 req->db = db;
1354 req->txn = txnid;
1355 req->buf1 = strdup_ornull (file);
1356 req->buf2 = strdup_ornull (database);
1357 req->int1 = type;
1358 req->uint1 = flags | DB_THREAD;
1359 req->int2 = mode;
1360 REQ_SEND;
1361 }
1362
1363 void
1364 db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1365 CODE:
1366 {
1367 dREQ (REQ_DB_CLOSE);
1368 req->db = db;
1369 req->uint1 = flags;
1370 req->sv1 = (SV *)db->app_private;
1371 REQ_SEND;
1372 ptr_nuke (ST (0));
1373 }
1374
1375 void
1376 db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)
1377 CODE:
1378 {
1379 dREQ (REQ_DB_COMPACT);
1380 req->db = db;
1381 req->txn = txn;
1382 sv_to_dbt (&req->dbt1, start);
1383 sv_to_dbt (&req->dbt2, stop);
1384 req->uint1 = flags;
1385 REQ_SEND;
1386 }
1387
1388 void
1389 db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1390 CODE:
1391 {
1392 dREQ (REQ_DB_SYNC);
1393 req->db = db;
1394 req->uint1 = flags;
1395 REQ_SEND;
1396 }
1397
1398 void
1399 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1400 CODE:
1401 {
1402 dREQ (REQ_DB_KEY_RANGE);
1403 req->db = db;
1404 req->txn = txn;
1405 sv_to_dbt (&req->dbt1, key);
1406 req->uint1 = flags;
1407 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1408 REQ_SEND;
1409 }
1410
1411 void
1412 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1413 CODE:
1414 {
1415 dREQ (REQ_DB_PUT);
1416 req->db = db;
1417 req->txn = txn;
1418 sv_to_dbt (&req->dbt1, key);
1419 sv_to_dbt (&req->dbt2, data);
1420 req->uint1 = flags;
1421 REQ_SEND;
1422 }
1423
1424 void
1425 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1426 CODE:
1427 {
1428 dREQ (REQ_DB_GET);
1429 req->db = db;
1430 req->txn = txn;
1431 req->uint1 = flags;
1432 sv_to_dbt (&req->dbt1, key);
1433 req->dbt3.flags = DB_DBT_MALLOC;
1434 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1435 REQ_SEND;
1436 }
1437
1438 void
1439 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1440 CODE:
1441 {
1442 dREQ (REQ_DB_PGET);
1443 req->db = db;
1444 req->txn = txn;
1445 req->uint1 = flags;
1446 sv_to_dbt (&req->dbt1, key);
1447 sv_to_dbt (&req->dbt2, pkey);
1448 req->dbt3.flags = DB_DBT_MALLOC;
1449 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1450 REQ_SEND;
1451 }
1452
1453 void
1454 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1455 CODE:
1456 {
1457 dREQ (REQ_DB_DEL);
1458 req->db = db;
1459 req->txn = txn;
1460 req->uint1 = flags;
1461 sv_to_dbt (&req->dbt1, key);
1462 REQ_SEND;
1463 }
1464
1465 void
1466 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1467 CODE:
1468 {
1469 dREQ (REQ_TXN_COMMIT);
1470 req->txn = txn;
1471 req->uint1 = flags;
1472 REQ_SEND;
1473 ptr_nuke (ST (0));
1474 }
1475
1476 void
1477 db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1478 CODE:
1479 {
1480 dREQ (REQ_TXN_ABORT);
1481 req->txn = txn;
1482 REQ_SEND;
1483 ptr_nuke (ST (0));
1484 }
1485
1486 void
1487 db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1488 CODE:
1489 {
1490 dREQ (REQ_C_CLOSE);
1491 req->dbc = dbc;
1492 REQ_SEND;
1493 ptr_nuke (ST (0));
1494 }
1495
1496 void
1497 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
1498 CODE:
1499 {
1500 dREQ (REQ_C_COUNT);
1501 req->dbc = dbc;
1502 req->sv1 = SvREFCNT_inc (count);
1503 REQ_SEND;
1504 }
1505
1506 void
1507 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1508 CODE:
1509 {
1510 dREQ (REQ_C_PUT);
1511 req->dbc = dbc;
1512 sv_to_dbt (&req->dbt1, key);
1513 sv_to_dbt (&req->dbt2, data);
1514 req->uint1 = flags;
1515 REQ_SEND;
1516 }
1517
1518 void
1519 db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1520 CODE:
1521 {
1522 dREQ (REQ_C_GET);
1523 req->dbc = dbc;
1524 req->uint1 = flags;
1525 if ((flags & DB_SET) == DB_SET
1526 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1527 sv_to_dbt (&req->dbt1, key);
1528 else
1529 req->dbt1.flags = DB_DBT_MALLOC;
1530
1531 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1532
1533 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1534 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1535 sv_to_dbt (&req->dbt3, data);
1536 else
1537 req->dbt3.flags = DB_DBT_MALLOC;
1538
1539 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1540 REQ_SEND;
1541 }
1542
1543 void
1544 db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1545 CODE:
1546 {
1547 dREQ (REQ_C_PGET);
1548 req->dbc = dbc;
1549 req->uint1 = flags;
1550 if ((flags & DB_SET) == DB_SET
1551 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1552 sv_to_dbt (&req->dbt1, key);
1553 else
1554 req->dbt1.flags = DB_DBT_MALLOC;
1555
1556 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1557
1558 req->dbt2.flags = DB_DBT_MALLOC;
1559 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1560
1561 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1562 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1563 sv_to_dbt (&req->dbt3, data);
1564 else
1565 req->dbt3.flags = DB_DBT_MALLOC;
1566
1567 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1568 REQ_SEND;
1569 }
1570
1571 void
1572 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
1573 CODE:
1574 {
1575 dREQ (REQ_C_DEL);
1576 req->dbc = dbc;
1577 req->uint1 = flags;
1578 REQ_SEND;
1579 }
1580
1581
1582 void
1583 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1584 CODE:
1585 {
1586 dREQ (REQ_SEQ_OPEN);
1587 req->seq = seq;
1588 req->txn = txnid;
1589 req->uint1 = flags | DB_THREAD;
1590 sv_to_dbt (&req->dbt1, key);
1591 REQ_SEND;
1592 }
1593
1594 void
1595 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
1596 CODE:
1597 {
1598 dREQ (REQ_SEQ_CLOSE);
1599 req->seq = seq;
1600 req->uint1 = flags;
1601 REQ_SEND;
1602 ptr_nuke (ST (0));
1603 }
1604
1605 void
1606 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
1607 CODE:
1608 {
1609 dREQ (REQ_SEQ_GET);
1610 req->seq = seq;
1611 req->txn = txnid;
1612 req->int1 = delta;
1613 req->uint1 = flags;
1614 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1615 REQ_SEND;
1616 }
1617
1618 void
1619 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1620 CODE:
1621 {
1622 dREQ (REQ_SEQ_REMOVE);
1623 req->seq = seq;
1624 req->txn = txnid;
1625 req->uint1 = flags;
1626 REQ_SEND;
1627 }
1628
1629
1630 MODULE = BDB PACKAGE = BDB::Env
1631
1632 void
1633 DESTROY (DB_ENV_ornull *env)
1634 CODE:
1635 if (env)
1636 env->close (env, 0);
1637
1638 int set_data_dir (DB_ENV *env, const char *dir)
1639 CODE:
1640 RETVAL = env->set_data_dir (env, dir);
1641 OUTPUT:
1642 RETVAL
1643
1644 int set_tmp_dir (DB_ENV *env, const char *dir)
1645 CODE:
1646 RETVAL = env->set_tmp_dir (env, dir);
1647 OUTPUT:
1648 RETVAL
1649
1650 int set_lg_dir (DB_ENV *env, const char *dir)
1651 CODE:
1652 RETVAL = env->set_lg_dir (env, dir);
1653 OUTPUT:
1654 RETVAL
1655
1656 int set_shm_key (DB_ENV *env, long shm_key)
1657 CODE:
1658 RETVAL = env->set_shm_key (env, shm_key);
1659 OUTPUT:
1660 RETVAL
1661
1662 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1663 CODE:
1664 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1665 OUTPUT:
1666 RETVAL
1667
1668 int set_flags (DB_ENV *env, U32 flags, int onoff)
1669 CODE:
1670 RETVAL = env->set_flags (env, flags, onoff);
1671 OUTPUT:
1672 RETVAL
1673
1674 void set_errfile (DB_ENV *env, FILE *errfile)
1675 CODE:
1676 env->set_errfile (env, errfile);
1677
1678 void set_msgfile (DB_ENV *env, FILE *msgfile)
1679 CODE:
1680 env->set_msgfile (env, msgfile);
1681
1682 int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
1683 CODE:
1684 RETVAL = env->set_verbose (env, which, onoff);
1685 OUTPUT:
1686 RETVAL
1687
1688 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1689 CODE:
1690 RETVAL = env->set_encrypt (env, password, flags);
1691 OUTPUT:
1692 RETVAL
1693
1694 int set_timeout (DB_ENV *env, NV timeout, U32 flags)
1695 CODE:
1696 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1697 OUTPUT:
1698 RETVAL
1699
1700 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
1701 CODE:
1702 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
1703 OUTPUT:
1704 RETVAL
1705
1706 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
1707 CODE:
1708 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
1709 OUTPUT:
1710 RETVAL
1711
1712 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
1713 CODE:
1714 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1715 OUTPUT:
1716 RETVAL
1717
1718 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1719 CODE:
1720 RETVAL = env->set_lk_detect (env, detect);
1721 OUTPUT:
1722 RETVAL
1723
1724 int set_lk_max_lockers (DB_ENV *env, U32 max)
1725 CODE:
1726 RETVAL = env->set_lk_max_lockers (env, max);
1727 OUTPUT:
1728 RETVAL
1729
1730 int set_lk_max_locks (DB_ENV *env, U32 max)
1731 CODE:
1732 RETVAL = env->set_lk_max_locks (env, max);
1733 OUTPUT:
1734 RETVAL
1735
1736 int set_lk_max_objects (DB_ENV *env, U32 max)
1737 CODE:
1738 RETVAL = env->set_lk_max_objects (env, max);
1739 OUTPUT:
1740 RETVAL
1741
1742 int set_lg_bsize (DB_ENV *env, U32 max)
1743 CODE:
1744 RETVAL = env->set_lg_bsize (env, max);
1745 OUTPUT:
1746 RETVAL
1747
1748 int set_lg_max (DB_ENV *env, U32 max)
1749 CODE:
1750 RETVAL = env->set_lg_max (env, max);
1751 OUTPUT:
1752 RETVAL
1753
1754 DB_TXN *
1755 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1756 CODE:
1757 errno = env->txn_begin (env, parent, &RETVAL, flags);
1758 if (errno)
1759 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1760 OUTPUT:
1761 RETVAL
1762
1763 MODULE = BDB PACKAGE = BDB::Db
1764
1765 void
1766 DESTROY (DB_ornull *db)
1767 CODE:
1768 if (db)
1769 {
1770 SV *env = (SV *)db->app_private;
1771 db->close (db, 0);
1772 SvREFCNT_dec (env);
1773 }
1774
1775 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1776 CODE:
1777 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1778 OUTPUT:
1779 RETVAL
1780
1781 int set_flags (DB *db, U32 flags);
1782 CODE:
1783 RETVAL = db->set_flags (db, flags);
1784 OUTPUT:
1785 RETVAL
1786
1787 int set_encrypt (DB *db, const char *password, U32 flags)
1788 CODE:
1789 RETVAL = db->set_encrypt (db, password, flags);
1790 OUTPUT:
1791 RETVAL
1792
1793 int set_lorder (DB *db, int lorder)
1794 CODE:
1795 RETVAL = db->set_lorder (db, lorder);
1796 OUTPUT:
1797 RETVAL
1798
1799 int set_bt_minkey (DB *db, U32 minkey)
1800 CODE:
1801 RETVAL = db->set_bt_minkey (db, minkey);
1802 OUTPUT:
1803 RETVAL
1804
1805 int set_re_delim(DB *db, int delim);
1806 CODE:
1807 RETVAL = db->set_re_delim (db, delim);
1808 OUTPUT:
1809 RETVAL
1810
1811 int set_re_pad (DB *db, int re_pad)
1812 CODE:
1813 RETVAL = db->set_re_pad (db, re_pad);
1814 OUTPUT:
1815 RETVAL
1816
1817 int set_re_source (DB *db, char *source)
1818 CODE:
1819 RETVAL = db->set_re_source (db, source);
1820 OUTPUT:
1821 RETVAL
1822
1823 int set_re_len (DB *db, U32 re_len)
1824 CODE:
1825 RETVAL = db->set_re_len (db, re_len);
1826 OUTPUT:
1827 RETVAL
1828
1829 int set_h_ffactor (DB *db, U32 h_ffactor)
1830 CODE:
1831 RETVAL = db->set_h_ffactor (db, h_ffactor);
1832 OUTPUT:
1833 RETVAL
1834
1835 int set_h_nelem (DB *db, U32 h_nelem)
1836 CODE:
1837 RETVAL = db->set_h_nelem (db, h_nelem);
1838 OUTPUT:
1839 RETVAL
1840
1841 int set_q_extentsize (DB *db, U32 extentsize)
1842 CODE:
1843 RETVAL = db->set_q_extentsize (db, extentsize);
1844 OUTPUT:
1845 RETVAL
1846
1847 DBC *
1848 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
1849 CODE:
1850 errno = db->cursor (db, txn, &RETVAL, flags);
1851 if (errno)
1852 croak ("DB->cursor: %s", db_strerror (errno));
1853 OUTPUT:
1854 RETVAL
1855
1856 DB_SEQUENCE *
1857 sequence (DB *db, U32 flags = 0)
1858 CODE:
1859 {
1860 errno = db_sequence_create (&RETVAL, db, flags);
1861 if (errno)
1862 croak ("db_sequence_create: %s", db_strerror (errno));
1863 }
1864 OUTPUT:
1865 RETVAL
1866
1867
1868 MODULE = BDB PACKAGE = BDB::Txn
1869
1870 void
1871 DESTROY (DB_TXN_ornull *txn)
1872 CODE:
1873 if (txn)
1874 txn->abort (txn);
1875
1876 int set_timeout (DB_TXN *txn, NV timeout, U32 flags)
1877 CODE:
1878 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1879 OUTPUT:
1880 RETVAL
1881
1882
1883 MODULE = BDB PACKAGE = BDB::Cursor
1884
1885 void
1886 DESTROY (DBC_ornull *dbc)
1887 CODE:
1888 if (dbc)
1889 dbc->c_close (dbc);
1890
1891 MODULE = BDB PACKAGE = BDB::Sequence
1892
1893 void
1894 DESTROY (DB_SEQUENCE_ornull *seq)
1895 CODE:
1896 if (seq)
1897 seq->close (seq, 0);
1898
1899 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
1900 CODE:
1901 RETVAL = seq->initial_value (seq, value);
1902 OUTPUT:
1903 RETVAL
1904
1905 int set_cachesize (DB_SEQUENCE *seq, U32 size)
1906 CODE:
1907 RETVAL = seq->set_cachesize (seq, size);
1908 OUTPUT:
1909 RETVAL
1910
1911 int set_flags (DB_SEQUENCE *seq, U32 flags)
1912 CODE:
1913 RETVAL = seq->set_flags (seq, flags);
1914 OUTPUT:
1915 RETVAL
1916
1917 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
1918 CODE:
1919 RETVAL = seq->set_range (seq, min, max);
1920 OUTPUT:
1921 RETVAL
1922