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/cvs/BDB/BDB.xs
Revision: 1.66
Committed: Sun Jan 4 10:48:15 2009 UTC (15 years, 4 months ago) by root
Branch: MAIN
CVS Tags: rel-1_82
Changes since 1.65: +2 -4 lines
Log Message:
*** empty log message ***

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 char *bdb_filename;
59
60 static SV *prepare_cb;
61
62 #if DB_VERSION_MINOR >= 6
63 # define c_close close
64 # define c_count count
65 # define c_del del
66 # define c_dup dup
67 # define c_get get
68 # define c_pget pget
69 # define c_put put
70 #endif
71
72 static char *
73 get_bdb_filename (SV *sv)
74 {
75 if (!SvOK (sv))
76 return 0;
77
78 #if _WIN32
79 /* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
80 {
81 STRLEN len;
82 char *src = SvPVbyte (sv, len);
83 SV *t1 = sv_newmortal ();
84 SV *t2 = sv_newmortal ();
85
86 sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
87 sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
88
89 len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
90 len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
91 SvPOK_only (t2);
92 SvPVX (t2)[len] = 0;
93 SvCUR_set (t2, len);
94
95 return SvPVX (t2);
96 }
97 #else
98 return SvPVbyte_nolen (sv);
99 #endif
100 }
101
102 static void
103 debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
104 {
105 printf ("err[%s]\n", msg);
106 }
107
108 static void
109 debug_msgcall (const DB_ENV *dbenv, const char *msg)
110 {
111 printf ("msg[%s]\n", msg);
112 }
113
114 static char *
115 strdup_ornull (const char *s)
116 {
117 return s ? strdup (s) : 0;
118 }
119
120 static void
121 sv_to_dbt (DBT *dbt, SV *sv)
122 {
123 STRLEN len;
124 char *data = SvPVbyte (sv, len);
125
126 dbt->data = malloc (len);
127 memcpy (dbt->data, data, len);
128 dbt->size = len;
129 dbt->flags = DB_DBT_REALLOC;
130 }
131
132 static void
133 dbt_to_sv (SV *sv, DBT *dbt)
134 {
135 if (sv)
136 {
137 SvREADONLY_off (sv);
138
139 if (dbt->data)
140 sv_setpvn_mg (sv, dbt->data, dbt->size);
141 else
142 sv_setsv_mg (sv, &PL_sv_undef);
143
144 SvREFCNT_dec (sv);
145 }
146
147 free (dbt->data);
148 }
149
150 enum {
151 REQ_QUIT,
152 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
153 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
154 REQ_ENV_LOG_ARCHIVE,
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
356 static int req_invoke (bdb_req req)
357 {
358 switch (req->type)
359 {
360 case REQ_DB_CLOSE:
361 SvREFCNT_dec (req->sv1);
362 break;
363
364 case REQ_DB_GET:
365 case REQ_DB_PGET:
366 case REQ_C_GET:
367 case REQ_C_PGET:
368 case REQ_DB_PUT:
369 case REQ_C_PUT:
370 dbt_to_sv (req->sv1, &req->dbt1);
371 dbt_to_sv (req->sv2, &req->dbt2);
372 dbt_to_sv (req->sv3, &req->dbt3);
373 break;
374
375 case REQ_DB_KEY_RANGE:
376 {
377 AV *av = newAV ();
378
379 av_push (av, newSVnv (req->key_range.less));
380 av_push (av, newSVnv (req->key_range.equal));
381 av_push (av, newSVnv (req->key_range.greater));
382
383 av = (AV *)newRV_noinc ((SV *)av);
384
385 SvREADONLY_off (req->sv1);
386 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
387 SvREFCNT_dec (av);
388 SvREFCNT_dec (req->sv1);
389 }
390 break;
391
392 #if DB_VERSION_MINOR >= 3
393 case REQ_SEQ_GET:
394 SvREADONLY_off (req->sv1);
395
396 if (sizeof (IV) > 4)
397 sv_setiv_mg (req->sv1, (IV)req->seq_t);
398 else
399 sv_setnv_mg (req->sv1, (NV)req->seq_t);
400
401 SvREFCNT_dec (req->sv1);
402 break;
403 #endif
404
405 case REQ_ENV_LOG_ARCHIVE:
406 {
407 AV *av = newAV ();
408 char **listp = (char **)req->buf1;
409
410 if (listp)
411 while (*listp)
412 av_push (av, newSVpv (*listp, 0)), ++listp;
413
414 av = (AV *)newRV_noinc ((SV *)av);
415
416 SvREADONLY_off (req->sv1);
417 sv_setsv_mg (req->sv1, (SV *)av);
418 SvREFCNT_dec (av);
419 SvREFCNT_dec (req->sv1);
420 }
421 break;
422 }
423
424 errno = req->result;
425
426 if (req->callback)
427 {
428 dSP;
429
430 ENTER;
431 SAVETMPS;
432 PUSHMARK (SP);
433
434 PUTBACK;
435 call_sv (req->callback, G_VOID | G_EVAL);
436 SPAGAIN;
437
438 FREETMPS;
439 LEAVE;
440
441 return !SvTRUE (ERRSV);
442 }
443
444 return 1;
445 }
446
447 static void req_free (bdb_req req)
448 {
449 SvREFCNT_dec (req->callback);
450
451 SvREFCNT_dec (req->rsv1);
452 SvREFCNT_dec (req->rsv2);
453
454 free (req->buf1);
455 free (req->buf2);
456 free (req->buf3);
457
458 Safefree (req);
459 }
460
461 #ifdef USE_SOCKETS_AS_HANDLES
462 # define TO_SOCKET(x) (win32_get_osfhandle (x))
463 #else
464 # define EV_SELECT_IS_WINSOCKET 1
465 # define TO_SOCKET(x) (x)
466 #endif
467
468 #ifdef _WIN32
469 /* taken verbatim from libev's ev_win32.c */
470 /* oh, the humanity! */
471 static int
472 ev_pipe (int filedes [2])
473 {
474 struct sockaddr_in addr = { 0 };
475 int addr_size = sizeof (addr);
476 struct sockaddr_in adr2;
477 int adr2_size;
478 SOCKET listener;
479 SOCKET sock [2] = { -1, -1 };
480
481 if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
482 return -1;
483
484 addr.sin_family = AF_INET;
485 addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
486 addr.sin_port = 0;
487
488 if (bind (listener, (struct sockaddr *)&addr, addr_size))
489 goto fail;
490
491 if (getsockname (listener, (struct sockaddr *)&addr, &addr_size))
492 goto fail;
493
494 if (listen (listener, 1))
495 goto fail;
496
497 if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
498 goto fail;
499
500 if (connect (sock [0], (struct sockaddr *)&addr, addr_size))
501 goto fail;
502
503 if ((sock [1] = accept (listener, 0, 0)) < 0)
504 goto fail;
505
506 /* windows vista returns fantasy port numbers for getpeername.
507 * example for two interconnected tcp sockets:
508 *
509 * (Socket::unpack_sockaddr_in getsockname $sock0)[0] == 53364
510 * (Socket::unpack_sockaddr_in getpeername $sock0)[0] == 53363
511 * (Socket::unpack_sockaddr_in getsockname $sock1)[0] == 53363
512 * (Socket::unpack_sockaddr_in getpeername $sock1)[0] == 53365
513 *
514 * wow! tridirectional sockets!
515 *
516 * this way of checking ports seems to work:
517 */
518 if (getpeername (sock [0], (struct sockaddr *)&addr, &addr_size))
519 goto fail;
520
521 if (getsockname (sock [1], (struct sockaddr *)&adr2, &adr2_size))
522 goto fail;
523
524 errno = WSAEINVAL;
525 if (addr_size != adr2_size
526 || addr.sin_addr.s_addr != adr2.sin_addr.s_addr /* just to be sure, I mean, it's windows */
527 || addr.sin_port != adr2.sin_port)
528 goto fail;
529
530 closesocket (listener);
531
532 #if EV_SELECT_IS_WINSOCKET
533 filedes [0] = _open_osfhandle (sock [0], 0);
534 filedes [1] = _open_osfhandle (sock [1], 0);
535 #else
536 /* when select isn't winsocket, we also expect socket, connect, accept etc.
537 * to work on fds */
538 filedes [0] = sock [0];
539 filedes [1] = sock [1];
540 #endif
541
542 return 0;
543
544 fail:
545 closesocket (listener);
546
547 if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
548 if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
549
550 return -1;
551 }
552
553 #define pipe(filedes) ev_pipe(filedes)
554 #endif
555
556 static void
557 create_respipe (void)
558 {
559 #ifdef _WIN32
560 int arg; /* argg */
561 #endif
562 int old_readfd = respipe [0];
563
564 if (respipe [1] >= 0)
565 respipe_close (TO_SOCKET (respipe [1]));
566
567 if (pipe (respipe))
568 croak ("unable to initialize result pipe");
569
570 if (old_readfd >= 0)
571 {
572 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
573 croak ("unable to initialize result pipe(2)");
574
575 respipe_close (respipe [0]);
576 respipe [0] = old_readfd;
577 }
578
579 #ifdef _WIN32
580 arg = 1;
581 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
582 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
583 #else
584 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
585 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
586 #endif
587 croak ("unable to initialize result pipe(3)");
588
589 respipe_osf [0] = TO_SOCKET (respipe [0]);
590 respipe_osf [1] = TO_SOCKET (respipe [1]);
591 }
592
593 static void bdb_request (bdb_req req);
594 X_THREAD_PROC (bdb_proc);
595
596 static void start_thread (void)
597 {
598 worker *wrk = calloc (1, sizeof (worker));
599
600 if (!wrk)
601 croak ("unable to allocate worker thread data");
602
603 X_LOCK (wrklock);
604 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
605 {
606 wrk->prev = &wrk_first;
607 wrk->next = wrk_first.next;
608 wrk_first.next->prev = wrk;
609 wrk_first.next = wrk;
610 ++started;
611 }
612 else
613 free (wrk);
614
615 X_UNLOCK (wrklock);
616 }
617
618 static void maybe_start_thread (void)
619 {
620 if (get_nthreads () >= wanted)
621 return;
622
623 /* todo: maybe use idle here, but might be less exact */
624 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
625 return;
626
627 start_thread ();
628 }
629
630 static void req_send (bdb_req req)
631 {
632 SV *wait_callback = 0;
633
634 if (on_next_submit)
635 {
636 dSP;
637 SV *cb = sv_2mortal (on_next_submit);
638
639 on_next_submit = 0;
640
641 PUSHMARK (SP);
642 PUTBACK;
643 call_sv (cb, G_DISCARD | G_EVAL);
644 SPAGAIN;
645 }
646
647 // synthesize callback if none given
648 if (!req->callback)
649 {
650 if (SvOK (prepare_cb))
651 {
652 int count;
653
654 dSP;
655 PUSHMARK (SP);
656 PUTBACK;
657 count = call_sv (prepare_cb, G_ARRAY);
658 SPAGAIN;
659
660 if (count != 2)
661 croak ("sync prepare callback must return exactly two values\n");
662
663 wait_callback = POPs;
664 req->callback = SvREFCNT_inc (POPs);
665 }
666 else
667 {
668 // execute request synchronously
669 bdb_request (req);
670 req_invoke (req);
671 req_free (req);
672 return;
673 }
674 }
675
676 ++nreqs;
677
678 X_LOCK (reqlock);
679 ++nready;
680 reqq_push (&req_queue, req);
681 X_COND_SIGNAL (reqwait);
682 X_UNLOCK (reqlock);
683
684 maybe_start_thread ();
685
686 if (wait_callback)
687 {
688 dSP;
689 PUSHMARK (SP);
690 PUTBACK;
691 call_sv (wait_callback, G_DISCARD);
692 }
693 }
694
695 static void end_thread (void)
696 {
697 bdb_req req = calloc (1, sizeof (bdb_cb));
698
699 req->type = REQ_QUIT;
700 req->pri = PRI_MAX + PRI_BIAS;
701
702 X_LOCK (reqlock);
703 reqq_push (&req_queue, req);
704 X_COND_SIGNAL (reqwait);
705 X_UNLOCK (reqlock);
706
707 X_LOCK (wrklock);
708 --started;
709 X_UNLOCK (wrklock);
710 }
711
712 static void set_max_idle (int nthreads)
713 {
714 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
715 max_idle = nthreads <= 0 ? 1 : nthreads;
716 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
717 }
718
719 static void min_parallel (int nthreads)
720 {
721 if (wanted < nthreads)
722 wanted = nthreads;
723 }
724
725 static void max_parallel (int nthreads)
726 {
727 if (wanted > nthreads)
728 wanted = nthreads;
729
730 while (started > wanted)
731 end_thread ();
732 }
733
734 static void poll_wait (void)
735 {
736 fd_set rfd;
737
738 while (nreqs)
739 {
740 int size;
741 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
742 size = res_queue.size;
743 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
744
745 if (size)
746 return;
747
748 maybe_start_thread ();
749
750 FD_ZERO (&rfd);
751 FD_SET (respipe [0], &rfd);
752
753 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
754 }
755 }
756
757 static int poll_cb (void)
758 {
759 dSP;
760 int count = 0;
761 int maxreqs = max_poll_reqs;
762 int do_croak = 0;
763 struct timeval tv_start, tv_now;
764 bdb_req req;
765
766 if (max_poll_time)
767 gettimeofday (&tv_start, 0);
768
769 for (;;)
770 {
771 for (;;)
772 {
773 maybe_start_thread ();
774
775 X_LOCK (reslock);
776 req = reqq_shift (&res_queue);
777
778 if (req)
779 {
780 --npending;
781
782 if (!res_queue.size)
783 {
784 /* read any signals sent by the worker threads */
785 char buf [4];
786 while (respipe_read (respipe [0], buf, 4) == 4)
787 ;
788 }
789 }
790
791 X_UNLOCK (reslock);
792
793 if (!req)
794 break;
795
796 --nreqs;
797
798 if (!req_invoke (req))
799 {
800 req_free (req);
801 croak (0);
802 }
803
804 count++;
805
806 req_free (req);
807
808 if (maxreqs && !--maxreqs)
809 break;
810
811 if (max_poll_time)
812 {
813 gettimeofday (&tv_now, 0);
814
815 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
816 break;
817 }
818 }
819
820 if (nreqs <= max_outstanding)
821 break;
822
823 poll_wait ();
824
825 ++maxreqs;
826 }
827
828 return count;
829 }
830
831 /*****************************************************************************/
832
833 static void
834 bdb_request (bdb_req req)
835 {
836 switch (req->type)
837 {
838 case REQ_ENV_OPEN:
839 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
840 break;
841
842 case REQ_ENV_CLOSE:
843 req->result = req->env->close (req->env, req->uint1);
844 break;
845
846 case REQ_ENV_TXN_CHECKPOINT:
847 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
848 break;
849
850 case REQ_ENV_LOCK_DETECT:
851 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
852 break;
853
854 case REQ_ENV_MEMP_SYNC:
855 req->result = req->env->memp_sync (req->env, 0);
856 break;
857
858 case REQ_ENV_MEMP_TRICKLE:
859 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
860 break;
861
862 case REQ_ENV_DBREMOVE:
863 req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
864 break;
865
866 case REQ_ENV_DBRENAME:
867 req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
868 break;
869
870 case REQ_DB_OPEN:
871 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
872 break;
873
874 case REQ_DB_CLOSE:
875 req->result = req->db->close (req->db, req->uint1);
876 break;
877
878 #if DB_VERSION_MINOR >= 4
879 case REQ_DB_COMPACT:
880 req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
881 break;
882 #endif
883
884 case REQ_DB_SYNC:
885 req->result = req->db->sync (req->db, req->uint1);
886 break;
887
888 case REQ_DB_UPGRADE:
889 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
890 break;
891
892 case REQ_DB_PUT:
893 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
894 break;
895
896 #if DB_VERSION_MINOR >= 6
897 case REQ_DB_EXISTS:
898 req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
899 break;
900 #endif
901 case REQ_DB_GET:
902 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
903 break;
904
905 case REQ_DB_PGET:
906 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
907 break;
908
909 case REQ_DB_DEL:
910 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
911 break;
912
913 case REQ_DB_KEY_RANGE:
914 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
915 break;
916
917 case REQ_TXN_COMMIT:
918 req->result = req->txn->commit (req->txn, req->uint1);
919 break;
920
921 case REQ_TXN_ABORT:
922 req->result = req->txn->abort (req->txn);
923 break;
924
925 case REQ_TXN_FINISH:
926 if (req->txn->flags & TXN_DEADLOCK)
927 {
928 req->result = req->txn->abort (req->txn);
929 if (!req->result)
930 req->result = DB_LOCK_DEADLOCK;
931 }
932 else
933 req->result = req->txn->commit (req->txn, req->uint1);
934 break;
935
936 case REQ_C_CLOSE:
937 req->result = req->dbc->c_close (req->dbc);
938 break;
939
940 case REQ_C_COUNT:
941 {
942 db_recno_t recno;
943 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
944 req->uv1 = recno;
945 }
946 break;
947
948 case REQ_C_PUT:
949 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
950 break;
951
952 case REQ_C_GET:
953 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
954 break;
955
956 case REQ_C_PGET:
957 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
958 break;
959
960 case REQ_C_DEL:
961 req->result = req->dbc->c_del (req->dbc, req->uint1);
962 break;
963
964 #if DB_VERSION_MINOR >= 3
965 case REQ_SEQ_OPEN:
966 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
967 break;
968
969 case REQ_SEQ_CLOSE:
970 req->result = req->seq->close (req->seq, req->uint1);
971 break;
972
973 case REQ_SEQ_GET:
974 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
975 break;
976
977 case REQ_SEQ_REMOVE:
978 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
979 break;
980 #endif
981
982 case REQ_ENV_LOG_ARCHIVE:
983 {
984 char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
985 req->result = req->env->log_archive (req->env, &listp, req->uint1);
986 req->buf1 = (char *)listp;
987 }
988 break;
989
990 default:
991 req->result = ENOSYS;
992 break;
993 }
994
995 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
996 req->txn->flags |= TXN_DEADLOCK;
997 }
998
999 X_THREAD_PROC (bdb_proc)
1000 {
1001 bdb_req req;
1002 struct timespec ts;
1003 worker *self = (worker *)thr_arg;
1004
1005 /* try to distribute timeouts somewhat evenly */
1006 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1007
1008 for (;;)
1009 {
1010 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1011
1012 X_LOCK (reqlock);
1013
1014 for (;;)
1015 {
1016 self->req = req = reqq_shift (&req_queue);
1017
1018 if (req)
1019 break;
1020
1021 ++idle;
1022
1023 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1024 == ETIMEDOUT)
1025 {
1026 if (idle > max_idle)
1027 {
1028 --idle;
1029 X_UNLOCK (reqlock);
1030 X_LOCK (wrklock);
1031 --started;
1032 X_UNLOCK (wrklock);
1033 goto quit;
1034 }
1035
1036 /* we are allowed to idle, so do so without any timeout */
1037 X_COND_WAIT (reqwait, reqlock);
1038 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1039 }
1040
1041 --idle;
1042 }
1043
1044 --nready;
1045
1046 X_UNLOCK (reqlock);
1047
1048 if (req->type == REQ_QUIT)
1049 {
1050 X_LOCK (reslock);
1051 free (req);
1052 self->req = 0;
1053 X_UNLOCK (reslock);
1054
1055 goto quit;
1056 }
1057
1058 bdb_request (req);
1059
1060 X_LOCK (reslock);
1061
1062 ++npending;
1063
1064 if (!reqq_push (&res_queue, req))
1065 /* write a dummy byte to the pipe so fh becomes ready */
1066 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
1067
1068 self->req = 0;
1069 worker_clear (self);
1070
1071 X_UNLOCK (reslock);
1072 }
1073
1074 quit:
1075 X_LOCK (wrklock);
1076 worker_free (self);
1077 X_UNLOCK (wrklock);
1078
1079 return 0;
1080 }
1081
1082 /*****************************************************************************/
1083
1084 static void atfork_prepare (void)
1085 {
1086 X_LOCK (wrklock);
1087 X_LOCK (reqlock);
1088 X_LOCK (reslock);
1089 }
1090
1091 static void atfork_parent (void)
1092 {
1093 X_UNLOCK (reslock);
1094 X_UNLOCK (reqlock);
1095 X_UNLOCK (wrklock);
1096 }
1097
1098 static void atfork_child (void)
1099 {
1100 bdb_req prv;
1101
1102 while (prv = reqq_shift (&req_queue))
1103 req_free (prv);
1104
1105 while (prv = reqq_shift (&res_queue))
1106 req_free (prv);
1107
1108 while (wrk_first.next != &wrk_first)
1109 {
1110 worker *wrk = wrk_first.next;
1111
1112 if (wrk->req)
1113 req_free (wrk->req);
1114
1115 worker_clear (wrk);
1116 worker_free (wrk);
1117 }
1118
1119 started = 0;
1120 idle = 0;
1121 nreqs = 0;
1122 nready = 0;
1123 npending = 0;
1124
1125 create_respipe ();
1126
1127 atfork_parent ();
1128 }
1129
1130 #define dREQ(reqtype,rsvcnt) \
1131 bdb_req req; \
1132 int req_pri = next_pri; \
1133 next_pri = DEFAULT_PRI + PRI_BIAS; \
1134 \
1135 if (callback && SvOK (callback)) \
1136 croak ("callback has illegal type or extra arguments"); \
1137 \
1138 Newz (0, req, 1, bdb_cb); \
1139 if (!req) \
1140 croak ("out of memory during bdb_req allocation"); \
1141 \
1142 req->callback = SvREFCNT_inc (cb); \
1143 req->type = (reqtype); \
1144 req->pri = req_pri; \
1145 if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
1146 if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
1147 (void)0;
1148
1149 #define REQ_SEND \
1150 req_send (req)
1151
1152 #define SvPTR(var, arg, type, class, nullok) \
1153 if (!SvOK (arg)) \
1154 { \
1155 if (nullok != 1) \
1156 croak (# var " must be a " # class " object, not undef"); \
1157 \
1158 (var) = 0; \
1159 } \
1160 else if (sv_derived_from ((arg), # class)) \
1161 { \
1162 IV tmp = SvIV ((SV*) SvRV (arg)); \
1163 (var) = INT2PTR (type, tmp); \
1164 if (!var && nullok != 2) \
1165 croak (# var " is not a valid " # class " object anymore"); \
1166 } \
1167 else \
1168 croak (# var " is not of type " # class);
1169
1170 #define ARG_MUTABLE(name) \
1171 if (SvREADONLY (name)) \
1172 croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
1173
1174 static void
1175 ptr_nuke (SV *sv)
1176 {
1177 assert (SvROK (sv));
1178 sv_setiv (SvRV (sv), 0);
1179 }
1180
1181 static int
1182 errno_get (pTHX_ SV *sv, MAGIC *mg)
1183 {
1184 if (*mg->mg_ptr == '!') // should always be the case
1185 if (-30999 <= errno && errno <= -30800)
1186 {
1187 sv_setnv (sv, (NV)errno);
1188 sv_setpv (sv, db_strerror (errno));
1189 SvNOK_on (sv); /* what a wonderful hack! */
1190 // ^^^ copied from perl sources
1191 return 0;
1192 }
1193
1194 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1195 }
1196
1197 static MGVTBL vtbl_errno;
1198
1199 // this wonderful hack :( patches perl's $! variable to support our errno values
1200 static void
1201 patch_errno (void)
1202 {
1203 SV *sv;
1204 MAGIC *mg;
1205
1206 if (!(sv = get_sv ("!", 1)))
1207 return;
1208
1209 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1210 return;
1211
1212 if (mg->mg_virtual != &PL_vtbl_sv)
1213 return;
1214
1215 vtbl_errno = PL_vtbl_sv;
1216 vtbl_errno.svt_get = errno_get;
1217 mg->mg_virtual = &vtbl_errno;
1218 }
1219
1220 #if __GNUC__ >= 4
1221 # define noinline __attribute__ ((noinline))
1222 #else
1223 # define noinline
1224 #endif
1225
1226 static noinline SV *
1227 pop_callback (I32 *ritems, SV *sv)
1228 {
1229 if (SvROK (sv))
1230 {
1231 HV *st;
1232 GV *gvp;
1233 CV *cv;
1234 const char *name;
1235
1236 /* forgive me */
1237 if (SvTYPE (SvRV (sv)) == SVt_PVMG
1238 && (st = SvSTASH (SvRV (sv)))
1239 && (name = HvNAME_get (st))
1240 && (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
1241 return 0;
1242
1243 if ((cv = sv_2cv (sv, &st, &gvp, 0)))
1244 {
1245 --*ritems;
1246 return (SV *)cv;
1247 }
1248 }
1249
1250 return 0;
1251 }
1252
1253 /*****************************************************************************/
1254
1255 #if 0
1256 static int
1257 bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
1258 {
1259 ssize_t size1 = dbt1->size;
1260 ssize_t size2 = dbt2->size;
1261 int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
1262 size1 <= size2 ? size1 : size2);
1263
1264 if (res)
1265 return res;
1266 else if (size1 - size2)
1267 return size1 - size2;
1268 else
1269 return 0;
1270 }
1271
1272 static size_t
1273 bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
1274 {
1275 ssize_t size1 = dbt1->size;
1276 ssize_t size2 = dbt2->size;
1277 u_int8_t *p1 = (u_int8_t *)dbt1->data;
1278 u_int8_t *p2 = (u_int8_t *)dbt2->data;
1279 u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
1280
1281 while (p1 < pe)
1282 if (*p1++ != *p2++)
1283 return p1 - (u_int8_t *)dbt1->data - 1;
1284
1285 if (size1 < size2) return size1 + 1;
1286 if (size1 > size2) return size2 + 1;
1287
1288 return size1;
1289 }
1290 #endif
1291
1292 /*****************************************************************************/
1293
1294 /* stupid windows defines CALLBACK as well */
1295 #undef CALLBACK
1296 #define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1297
1298 MODULE = BDB PACKAGE = BDB
1299
1300 PROTOTYPES: ENABLE
1301
1302 BOOT:
1303 {
1304 HV *stash = gv_stashpv ("BDB", 1);
1305
1306 static const struct {
1307 const char *name;
1308 IV iv;
1309 } *civ, const_iv[] = {
1310 #define const_iv(name) { # name, (IV)DB_ ## name },
1311 const_iv (RPCCLIENT)
1312 const_iv (INIT_CDB)
1313 const_iv (INIT_LOCK)
1314 const_iv (INIT_LOG)
1315 const_iv (INIT_MPOOL)
1316 const_iv (INIT_REP)
1317 const_iv (INIT_TXN)
1318 const_iv (RECOVER)
1319 const_iv (INIT_TXN)
1320 const_iv (RECOVER_FATAL)
1321 const_iv (CREATE)
1322 const_iv (RDONLY)
1323 const_iv (USE_ENVIRON)
1324 const_iv (USE_ENVIRON_ROOT)
1325 const_iv (LOCKDOWN)
1326 const_iv (PRIVATE)
1327 const_iv (SYSTEM_MEM)
1328 const_iv (AUTO_COMMIT)
1329 const_iv (CDB_ALLDB)
1330 const_iv (DIRECT_DB)
1331 const_iv (NOLOCKING)
1332 const_iv (NOMMAP)
1333 const_iv (NOPANIC)
1334 const_iv (OVERWRITE)
1335 const_iv (PANIC_ENVIRONMENT)
1336 const_iv (REGION_INIT)
1337 const_iv (TIME_NOTGRANTED)
1338 const_iv (TXN_NOSYNC)
1339 const_iv (TXN_NOT_DURABLE)
1340 const_iv (TXN_WRITE_NOSYNC)
1341 const_iv (WRITECURSOR)
1342 const_iv (YIELDCPU)
1343 const_iv (ENCRYPT_AES)
1344 const_iv (XA_CREATE)
1345 const_iv (BTREE)
1346 const_iv (HASH)
1347 const_iv (QUEUE)
1348 const_iv (RECNO)
1349 const_iv (UNKNOWN)
1350 const_iv (EXCL)
1351 const_iv (TRUNCATE)
1352 const_iv (NOSYNC)
1353 const_iv (CHKSUM)
1354 const_iv (ENCRYPT)
1355 const_iv (DUP)
1356 const_iv (DUPSORT)
1357 //const_iv (RECNUM)
1358 const_iv (RENUMBER)
1359 const_iv (REVSPLITOFF)
1360 const_iv (CONSUME)
1361 const_iv (CONSUME_WAIT)
1362 const_iv (GET_BOTH)
1363 const_iv (GET_BOTH_RANGE)
1364 //const_iv (SET_RECNO)
1365 //const_iv (MULTIPLE)
1366 const_iv (SNAPSHOT)
1367 const_iv (JOIN_ITEM)
1368 const_iv (JOIN_NOSORT)
1369 const_iv (RMW)
1370
1371 const_iv (NOTFOUND)
1372 const_iv (KEYEMPTY)
1373 const_iv (LOCK_DEADLOCK)
1374 const_iv (LOCK_NOTGRANTED)
1375 const_iv (RUNRECOVERY)
1376 const_iv (OLD_VERSION)
1377 const_iv (REP_HANDLE_DEAD)
1378 const_iv (SECONDARY_BAD)
1379
1380 const_iv (APPEND)
1381 const_iv (NODUPDATA)
1382 const_iv (NOOVERWRITE)
1383
1384 const_iv (TXN_NOWAIT)
1385 const_iv (TXN_SYNC)
1386
1387 const_iv (SET_LOCK_TIMEOUT)
1388 const_iv (SET_TXN_TIMEOUT)
1389
1390 const_iv (FIRST)
1391 const_iv (NEXT)
1392 const_iv (NEXT_DUP)
1393 const_iv (NEXT_NODUP)
1394 const_iv (PREV)
1395 const_iv (PREV_NODUP)
1396 const_iv (SET)
1397 const_iv (SET_RANGE)
1398 const_iv (LAST)
1399 const_iv (BEFORE)
1400 const_iv (AFTER)
1401 const_iv (CURRENT)
1402 const_iv (KEYFIRST)
1403 const_iv (KEYLAST)
1404 const_iv (NODUPDATA)
1405
1406 const_iv (FORCE)
1407
1408 const_iv (LOCK_DEFAULT)
1409 const_iv (LOCK_EXPIRE)
1410 const_iv (LOCK_MAXLOCKS)
1411 const_iv (LOCK_MINLOCKS)
1412 const_iv (LOCK_MINWRITE)
1413 const_iv (LOCK_OLDEST)
1414 const_iv (LOCK_RANDOM)
1415 const_iv (LOCK_YOUNGEST)
1416
1417 const_iv (DONOTINDEX)
1418 const_iv (KEYEMPTY )
1419 const_iv (KEYEXIST )
1420 const_iv (LOCK_DEADLOCK)
1421 const_iv (LOCK_NOTGRANTED)
1422 const_iv (NOSERVER)
1423 const_iv (NOSERVER_HOME)
1424 const_iv (NOSERVER_ID)
1425 const_iv (NOTFOUND)
1426 const_iv (PAGE_NOTFOUND)
1427 const_iv (REP_DUPMASTER)
1428 const_iv (REP_HANDLE_DEAD)
1429 const_iv (REP_HOLDELECTION)
1430 const_iv (REP_ISPERM)
1431 const_iv (REP_NEWMASTER)
1432 const_iv (REP_NEWSITE)
1433 const_iv (REP_NOTPERM)
1434 const_iv (REP_UNAVAIL)
1435 const_iv (RUNRECOVERY)
1436 const_iv (SECONDARY_BAD)
1437 const_iv (VERIFY_BAD)
1438
1439 const_iv (ARCH_ABS)
1440 const_iv (ARCH_DATA)
1441 const_iv (ARCH_LOG)
1442 const_iv (ARCH_REMOVE)
1443
1444 const_iv (VERB_DEADLOCK)
1445 const_iv (VERB_RECOVERY)
1446 const_iv (VERB_REPLICATION)
1447 const_iv (VERB_WAITSFOR)
1448
1449 const_iv (VERSION_MAJOR)
1450 const_iv (VERSION_MINOR)
1451 const_iv (VERSION_PATCH)
1452 #if DB_VERSION_MINOR >= 3
1453 const_iv (INORDER)
1454 const_iv (LOCK_MAXWRITE)
1455 const_iv (SEQ_DEC)
1456 const_iv (SEQ_INC)
1457 const_iv (SEQ_WRAP)
1458 const_iv (BUFFER_SMALL)
1459 const_iv (LOG_BUFFER_FULL)
1460 const_iv (VERSION_MISMATCH)
1461 #endif
1462 #if DB_VERSION_MINOR >= 4
1463 const_iv (REGISTER)
1464 const_iv (DSYNC_DB)
1465 const_iv (READ_COMMITTED)
1466 const_iv (READ_UNCOMMITTED)
1467 const_iv (REP_IGNORE)
1468 const_iv (REP_LOCKOUT)
1469 const_iv (REP_JOIN_FAILURE)
1470 const_iv (FREE_SPACE)
1471 const_iv (FREELIST_ONLY)
1472 const_iv (VERB_REGISTER)
1473 #endif
1474 #if DB_VERSION_MINOR >= 5
1475 const_iv (MULTIVERSION)
1476 const_iv (TXN_SNAPSHOT)
1477 #endif
1478 #if DB_VERSION_MINOR >= 6
1479 const_iv (PREV_DUP)
1480 const_iv (PRIORITY_UNCHANGED)
1481 const_iv (PRIORITY_VERY_LOW)
1482 const_iv (PRIORITY_LOW)
1483 const_iv (PRIORITY_DEFAULT)
1484 const_iv (PRIORITY_HIGH)
1485 const_iv (PRIORITY_VERY_HIGH)
1486 const_iv (IGNORE_LEASE)
1487 #endif
1488 #if DB_VERSION_MINOR >= 7
1489 //const_iv (MULTIPLE_KEY)
1490 const_iv (LOG_DIRECT)
1491 const_iv (LOG_DSYNC)
1492 const_iv (LOG_AUTO_REMOVE)
1493 const_iv (LOG_IN_MEMORY)
1494 const_iv (LOG_ZERO)
1495 #else
1496 const_iv (DIRECT_LOG)
1497 const_iv (LOG_AUTOREMOVE)
1498 # if DB_VERSION_MINOR >= 3
1499 const_iv (DSYNC_LOG)
1500 const_iv (LOG_INMEMORY)
1501 # endif
1502 #endif
1503 };
1504
1505 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1506 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1507
1508 prepare_cb = &PL_sv_undef;
1509
1510 {
1511 /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1512 char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1513
1514 newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
1515 }
1516
1517 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1518
1519 create_respipe ();
1520
1521 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1522 patch_errno ();
1523 }
1524
1525 void
1526 max_poll_reqs (int nreqs)
1527 PROTOTYPE: $
1528 CODE:
1529 max_poll_reqs = nreqs;
1530
1531 void
1532 max_poll_time (double nseconds)
1533 PROTOTYPE: $
1534 CODE:
1535 max_poll_time = nseconds * AIO_TICKS;
1536
1537 void
1538 min_parallel (int nthreads)
1539 PROTOTYPE: $
1540
1541 void
1542 max_parallel (int nthreads)
1543 PROTOTYPE: $
1544
1545 void
1546 max_idle (int nthreads)
1547 PROTOTYPE: $
1548 CODE:
1549 set_max_idle (nthreads);
1550
1551 int
1552 max_outstanding (int maxreqs)
1553 PROTOTYPE: $
1554 CODE:
1555 RETVAL = max_outstanding;
1556 max_outstanding = maxreqs;
1557 OUTPUT:
1558 RETVAL
1559
1560 int
1561 dbreq_pri (int pri = 0)
1562 PROTOTYPE: ;$
1563 CODE:
1564 RETVAL = next_pri - PRI_BIAS;
1565 if (items > 0)
1566 {
1567 if (pri < PRI_MIN) pri = PRI_MIN;
1568 if (pri > PRI_MAX) pri = PRI_MAX;
1569 next_pri = pri + PRI_BIAS;
1570 }
1571 OUTPUT:
1572 RETVAL
1573
1574 void
1575 dbreq_nice (int nice = 0)
1576 CODE:
1577 nice = next_pri - nice;
1578 if (nice < PRI_MIN) nice = PRI_MIN;
1579 if (nice > PRI_MAX) nice = PRI_MAX;
1580 next_pri = nice + PRI_BIAS;
1581
1582 void
1583 flush ()
1584 PROTOTYPE:
1585 CODE:
1586 while (nreqs)
1587 {
1588 poll_wait ();
1589 poll_cb ();
1590 }
1591
1592 int
1593 poll ()
1594 PROTOTYPE:
1595 CODE:
1596 poll_wait ();
1597 RETVAL = poll_cb ();
1598 OUTPUT:
1599 RETVAL
1600
1601 int
1602 poll_fileno ()
1603 PROTOTYPE:
1604 CODE:
1605 RETVAL = respipe [0];
1606 OUTPUT:
1607 RETVAL
1608
1609 int
1610 poll_cb (...)
1611 PROTOTYPE:
1612 CODE:
1613 RETVAL = poll_cb ();
1614 OUTPUT:
1615 RETVAL
1616
1617 void
1618 poll_wait ()
1619 PROTOTYPE:
1620 CODE:
1621 poll_wait ();
1622
1623 int
1624 nreqs ()
1625 PROTOTYPE:
1626 CODE:
1627 RETVAL = nreqs;
1628 OUTPUT:
1629 RETVAL
1630
1631 int
1632 nready ()
1633 PROTOTYPE:
1634 CODE:
1635 RETVAL = get_nready ();
1636 OUTPUT:
1637 RETVAL
1638
1639 int
1640 npending ()
1641 PROTOTYPE:
1642 CODE:
1643 RETVAL = get_npending ();
1644 OUTPUT:
1645 RETVAL
1646
1647 int
1648 nthreads ()
1649 PROTOTYPE:
1650 CODE:
1651 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1652 RETVAL = started;
1653 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1654 OUTPUT:
1655 RETVAL
1656
1657 SV *
1658 set_sync_prepare (SV *cb)
1659 PROTOTYPE: &
1660 CODE:
1661 RETVAL = prepare_cb;
1662 prepare_cb = newSVsv (cb);
1663 OUTPUT:
1664 RETVAL
1665
1666 char *
1667 strerror (int errorno = errno)
1668 PROTOTYPE: ;$
1669 CODE:
1670 RETVAL = db_strerror (errorno);
1671 OUTPUT:
1672 RETVAL
1673
1674 void _on_next_submit (SV *cb)
1675 CODE:
1676 SvREFCNT_dec (on_next_submit);
1677 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1678
1679 DB_ENV *
1680 db_env_create (U32 env_flags = 0)
1681 CODE:
1682 {
1683 errno = db_env_create (&RETVAL, env_flags);
1684 if (errno)
1685 croak ("db_env_create: %s", db_strerror (errno));
1686
1687 if (0)
1688 {
1689 RETVAL->set_errcall (RETVAL, debug_errcall);
1690 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1691 }
1692 }
1693 OUTPUT:
1694 RETVAL
1695
1696 void
1697 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1698 PREINIT:
1699 CALLBACK
1700 CODE:
1701 {
1702 dREQ (REQ_ENV_OPEN, 1);
1703 req->env = env;
1704 req->uint1 = open_flags | DB_THREAD;
1705 req->int1 = mode;
1706 req->buf1 = strdup_ornull (db_home);
1707 REQ_SEND;
1708 }
1709
1710 void
1711 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1712 PREINIT:
1713 CALLBACK
1714 CODE:
1715 {
1716 dREQ (REQ_ENV_CLOSE, 0);
1717 ptr_nuke (ST (0));
1718 req->env = env;
1719 req->uint1 = flags;
1720 REQ_SEND;
1721 }
1722
1723 void
1724 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1725 PREINIT:
1726 CALLBACK
1727 CODE:
1728 {
1729 dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1730 req->env = env;
1731 req->uint1 = kbyte;
1732 req->int1 = min;
1733 req->uint2 = flags;
1734 REQ_SEND;
1735 }
1736
1737 void
1738 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1739 PREINIT:
1740 CALLBACK
1741 CODE:
1742 {
1743 dREQ (REQ_ENV_LOCK_DETECT, 1);
1744 req->env = env;
1745 req->uint1 = flags;
1746 req->uint2 = atype;
1747 /* req->int2 = 0; dummy */
1748 REQ_SEND;
1749 }
1750
1751 void
1752 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1753 PREINIT:
1754 CALLBACK
1755 CODE:
1756 {
1757 dREQ (REQ_ENV_MEMP_SYNC, 1);
1758 req->env = env;
1759 REQ_SEND;
1760 }
1761
1762 void
1763 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1764 PREINIT:
1765 CALLBACK
1766 CODE:
1767 {
1768 dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1769 req->env = env;
1770 req->int1 = percent;
1771 REQ_SEND;
1772 }
1773
1774 void
1775 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1776 PREINIT:
1777 CALLBACK
1778 CODE:
1779 {
1780 dREQ (REQ_ENV_DBREMOVE, 2);
1781 req->env = env;
1782 req->buf1 = strdup_ornull (file);
1783 req->buf2 = strdup_ornull (database);
1784 req->uint1 = flags;
1785 REQ_SEND;
1786 }
1787
1788 void
1789 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)
1790 PREINIT:
1791 CALLBACK
1792 CODE:
1793 {
1794 dREQ (REQ_ENV_DBRENAME, 2);
1795 req->env = env;
1796 req->buf1 = strdup_ornull (file);
1797 req->buf2 = strdup_ornull (database);
1798 req->buf3 = strdup_ornull (newname);
1799 req->uint1 = flags;
1800 REQ_SEND;
1801 }
1802
1803 void
1804 db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
1805 PREINIT:
1806 CALLBACK
1807 CODE:
1808 {
1809 dREQ (REQ_ENV_LOG_ARCHIVE, 1);
1810 req->sv1 = SvREFCNT_inc (listp);
1811 req->env = env;
1812 req->uint1 = flags;
1813 REQ_SEND;
1814 }
1815
1816 DB *
1817 db_create (DB_ENV *env = 0, U32 flags = 0)
1818 CODE:
1819 {
1820 errno = db_create (&RETVAL, env, flags);
1821 if (errno)
1822 croak ("db_create: %s", db_strerror (errno));
1823
1824 if (RETVAL)
1825 RETVAL->app_private = (void *)newSVsv (ST (0));
1826 }
1827 OUTPUT:
1828 RETVAL
1829
1830 void
1831 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1832 PREINIT:
1833 CALLBACK
1834 CODE:
1835 {
1836 dREQ (REQ_DB_OPEN, 2);
1837 req->db = db;
1838 req->txn = txnid;
1839 req->buf1 = strdup_ornull (file);
1840 req->buf2 = strdup_ornull (database);
1841 req->int1 = type;
1842 req->uint1 = flags | DB_THREAD;
1843 req->int2 = mode;
1844 REQ_SEND;
1845 }
1846
1847 void
1848 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1849 PREINIT:
1850 CALLBACK
1851 CODE:
1852 {
1853 dREQ (REQ_DB_CLOSE, 0);
1854 ptr_nuke (ST (0));
1855 req->db = db;
1856 req->uint1 = flags;
1857 req->sv1 = (SV *)db->app_private;
1858 REQ_SEND;
1859 }
1860
1861 #if DB_VERSION_MINOR >= 4
1862
1863 void
1864 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)
1865 PREINIT:
1866 CALLBACK
1867 CODE:
1868 {
1869 dREQ (REQ_DB_COMPACT, 2);
1870 req->db = db;
1871 req->txn = txn;
1872 if (start) sv_to_dbt (&req->dbt1, start);
1873 if (stop ) sv_to_dbt (&req->dbt2, stop );
1874 req->uint1 = flags;
1875 REQ_SEND;
1876 }
1877
1878 #endif
1879
1880 void
1881 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1882 PREINIT:
1883 CALLBACK
1884 CODE:
1885 {
1886 dREQ (REQ_DB_SYNC, 1);
1887 req->db = db;
1888 req->uint1 = flags;
1889 REQ_SEND;
1890 }
1891
1892 void
1893 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1894 PREINIT:
1895 CALLBACK
1896 CODE:
1897 {
1898 dREQ (REQ_DB_SYNC, 1);
1899 req->db = db;
1900 req->buf1 = strdup (file);
1901 req->uint1 = flags;
1902 REQ_SEND;
1903 }
1904
1905 void
1906 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1907 PREINIT:
1908 CALLBACK
1909 CODE:
1910 {
1911 dREQ (REQ_DB_KEY_RANGE, 2);
1912 req->db = db;
1913 req->txn = txn;
1914 sv_to_dbt (&req->dbt1, key);
1915 req->uint1 = flags;
1916 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1917 REQ_SEND;
1918 }
1919
1920 void
1921 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1922 PREINIT:
1923 CALLBACK
1924 CODE:
1925 {
1926 dREQ (REQ_DB_PUT, 2);
1927 req->db = db;
1928 req->txn = txn;
1929 sv_to_dbt (&req->dbt1, key);
1930 sv_to_dbt (&req->dbt2, data);
1931 req->uint1 = flags;
1932 REQ_SEND;
1933 }
1934
1935 #if DB_VERSION_MINOR >= 6
1936
1937 void
1938 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1939 PREINIT:
1940 CALLBACK
1941 CODE:
1942 {
1943 dREQ (REQ_DB_EXISTS, 2);
1944 req->db = db;
1945 req->txn = txn;
1946 req->uint1 = flags;
1947 sv_to_dbt (&req->dbt1, key);
1948 REQ_SEND;
1949 }
1950
1951 #endif
1952
1953 void
1954 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1955 PREINIT:
1956 CALLBACK
1957 CODE:
1958 {
1959 //TODO: key is somtimesmutable
1960 dREQ (REQ_DB_GET, 2);
1961 req->db = db;
1962 req->txn = txn;
1963 req->uint1 = flags;
1964 sv_to_dbt (&req->dbt1, key);
1965 req->dbt3.flags = DB_DBT_MALLOC;
1966 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1967 REQ_SEND;
1968 }
1969
1970 void
1971 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1972 PREINIT:
1973 CALLBACK
1974 CODE:
1975 {
1976 //TODO: key is somtimesmutable
1977 dREQ (REQ_DB_PGET, 2);
1978 req->db = db;
1979 req->txn = txn;
1980 req->uint1 = flags;
1981
1982 sv_to_dbt (&req->dbt1, key);
1983
1984 req->dbt2.flags = DB_DBT_MALLOC;
1985 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1986
1987 req->dbt3.flags = DB_DBT_MALLOC;
1988 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1989 REQ_SEND;
1990 }
1991
1992 void
1993 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1994 PREINIT:
1995 CALLBACK
1996 CODE:
1997 {
1998 dREQ (REQ_DB_DEL, 2);
1999 req->db = db;
2000 req->txn = txn;
2001 req->uint1 = flags;
2002 sv_to_dbt (&req->dbt1, key);
2003 REQ_SEND;
2004 }
2005
2006 void
2007 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
2008 PREINIT:
2009 CALLBACK
2010 CODE:
2011 {
2012 dREQ (REQ_TXN_COMMIT, 0);
2013 ptr_nuke (ST (0));
2014 req->txn = txn;
2015 req->uint1 = flags;
2016 REQ_SEND;
2017 }
2018
2019 void
2020 db_txn_abort (DB_TXN *txn, SV *callback = 0)
2021 PREINIT:
2022 CALLBACK
2023 CODE:
2024 {
2025 dREQ (REQ_TXN_ABORT, 0);
2026 ptr_nuke (ST (0));
2027 req->txn = txn;
2028 REQ_SEND;
2029 }
2030
2031 void
2032 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
2033 PREINIT:
2034 CALLBACK
2035 CODE:
2036 {
2037 dREQ (REQ_TXN_FINISH, 0);
2038 ptr_nuke (ST (0));
2039 req->txn = txn;
2040 req->uint1 = flags;
2041 REQ_SEND;
2042 }
2043
2044 void
2045 db_c_close (DBC *dbc, SV *callback = 0)
2046 PREINIT:
2047 CALLBACK
2048 CODE:
2049 {
2050 dREQ (REQ_C_CLOSE, 0);
2051 ptr_nuke (ST (0));
2052 req->dbc = dbc;
2053 REQ_SEND;
2054 }
2055
2056 void
2057 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
2058 PREINIT:
2059 CALLBACK
2060 CODE:
2061 {
2062 dREQ (REQ_C_COUNT, 1);
2063 req->dbc = dbc;
2064 req->sv1 = SvREFCNT_inc (count);
2065 REQ_SEND;
2066 }
2067
2068 void
2069 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
2070 PREINIT:
2071 CALLBACK
2072 CODE:
2073 {
2074 dREQ (REQ_C_PUT, 1);
2075 req->dbc = dbc;
2076 sv_to_dbt (&req->dbt1, key);
2077 sv_to_dbt (&req->dbt2, data);
2078 req->uint1 = flags;
2079 REQ_SEND;
2080 }
2081
2082 void
2083 db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2084 PREINIT:
2085 CALLBACK
2086 CODE:
2087 {
2088 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2089 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
2090 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2091 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2092 "key",
2093 "BDB::db_c_get");
2094
2095 {
2096 dREQ (REQ_C_GET, 1);
2097 req->dbc = dbc;
2098 req->uint1 = flags;
2099 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2100 sv_to_dbt (&req->dbt1, key);
2101 else
2102 {
2103 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2104 sv_to_dbt (&req->dbt1, key);
2105 else
2106 req->dbt1.flags = DB_DBT_MALLOC;
2107
2108 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2109 }
2110
2111 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2112 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2113 sv_to_dbt (&req->dbt3, data);
2114 else
2115 req->dbt3.flags = DB_DBT_MALLOC;
2116
2117 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2118 REQ_SEND;
2119 }
2120 }
2121
2122 void
2123 db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2124 PREINIT:
2125 CALLBACK
2126 CODE:
2127 {
2128 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2129 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
2130 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2131 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2132 "key",
2133 "BDB::db_c_pget");
2134
2135 {
2136 dREQ (REQ_C_PGET, 1);
2137 req->dbc = dbc;
2138 req->uint1 = flags;
2139 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2140 sv_to_dbt (&req->dbt1, key);
2141 else
2142 {
2143 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2144 sv_to_dbt (&req->dbt1, key);
2145 else
2146 req->dbt1.flags = DB_DBT_MALLOC;
2147
2148 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2149 }
2150
2151 req->dbt2.flags = DB_DBT_MALLOC;
2152 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
2153
2154 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2155 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2156 sv_to_dbt (&req->dbt3, data);
2157 else
2158 req->dbt3.flags = DB_DBT_MALLOC;
2159
2160 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2161 REQ_SEND;
2162 }
2163 }
2164
2165 void
2166 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
2167 PREINIT:
2168 CALLBACK
2169 CODE:
2170 {
2171 dREQ (REQ_C_DEL, 1);
2172 req->dbc = dbc;
2173 req->uint1 = flags;
2174 REQ_SEND;
2175 }
2176
2177
2178 #if DB_VERSION_MINOR >= 3
2179
2180 void
2181 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
2182 PREINIT:
2183 CALLBACK
2184 CODE:
2185 {
2186 dREQ (REQ_SEQ_OPEN, 2);
2187 req->seq = seq;
2188 req->txn = txnid;
2189 req->uint1 = flags | DB_THREAD;
2190 sv_to_dbt (&req->dbt1, key);
2191 REQ_SEND;
2192 }
2193
2194 void
2195 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
2196 PREINIT:
2197 CALLBACK
2198 CODE:
2199 {
2200 dREQ (REQ_SEQ_CLOSE, 0);
2201 ptr_nuke (ST (0));
2202 req->seq = seq;
2203 req->uint1 = flags;
2204 REQ_SEND;
2205 }
2206
2207 void
2208 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2209 PREINIT:
2210 CALLBACK
2211 CODE:
2212 {
2213 dREQ (REQ_SEQ_GET, 2);
2214 req->seq = seq;
2215 req->txn = txnid;
2216 req->int1 = delta;
2217 req->uint1 = flags;
2218 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
2219 REQ_SEND;
2220 }
2221
2222 void
2223 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
2224 PREINIT:
2225 CALLBACK
2226 CODE:
2227 {
2228 dREQ (REQ_SEQ_REMOVE, 2);
2229 req->seq = seq;
2230 req->txn = txnid;
2231 req->uint1 = flags;
2232 REQ_SEND;
2233 }
2234
2235 #endif
2236
2237
2238 MODULE = BDB PACKAGE = BDB::Env
2239
2240 void
2241 DESTROY (DB_ENV_ornuked *env)
2242 CODE:
2243 if (env)
2244 env->close (env, 0);
2245
2246 int set_data_dir (DB_ENV *env, const char *dir)
2247 CODE:
2248 RETVAL = env->set_data_dir (env, dir);
2249 OUTPUT:
2250 RETVAL
2251
2252 int set_tmp_dir (DB_ENV *env, const char *dir)
2253 CODE:
2254 RETVAL = env->set_tmp_dir (env, dir);
2255 OUTPUT:
2256 RETVAL
2257
2258 int set_lg_dir (DB_ENV *env, const char *dir)
2259 CODE:
2260 RETVAL = env->set_lg_dir (env, dir);
2261 OUTPUT:
2262 RETVAL
2263
2264 int set_shm_key (DB_ENV *env, long shm_key)
2265 CODE:
2266 RETVAL = env->set_shm_key (env, shm_key);
2267 OUTPUT:
2268 RETVAL
2269
2270 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2271 CODE:
2272 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2273 OUTPUT:
2274 RETVAL
2275
2276 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2277 CODE:
2278 RETVAL = env->set_flags (env, flags, onoff);
2279 OUTPUT:
2280 RETVAL
2281
2282 #if DB_VERSION_MINOR >= 7
2283
2284 int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2285 CODE:
2286 RETVAL = env->set_intermediate_dir_mode (env, mode);
2287 OUTPUT:
2288 RETVAL
2289
2290 int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2291 CODE:
2292 RETVAL = env->log_set_config (env, flags, onoff);
2293 OUTPUT:
2294 RETVAL
2295
2296 #endif
2297
2298
2299 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2300 CODE:
2301 env->set_errfile (env, errfile);
2302
2303 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2304 CODE:
2305 env->set_msgfile (env, msgfile);
2306
2307 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2308 CODE:
2309 RETVAL = env->set_verbose (env, which, onoff);
2310 OUTPUT:
2311 RETVAL
2312
2313 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2314 CODE:
2315 RETVAL = env->set_encrypt (env, password, flags);
2316 OUTPUT:
2317 RETVAL
2318
2319 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2320 CODE:
2321 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2322 OUTPUT:
2323 RETVAL
2324
2325 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2326 CODE:
2327 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2328 OUTPUT:
2329 RETVAL
2330
2331 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2332 CODE:
2333 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2334 OUTPUT:
2335 RETVAL
2336
2337 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2338 CODE:
2339 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2340 OUTPUT:
2341 RETVAL
2342
2343 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2344 CODE:
2345 RETVAL = env->set_lk_detect (env, detect);
2346 OUTPUT:
2347 RETVAL
2348
2349 int set_lk_max_lockers (DB_ENV *env, U32 max)
2350 CODE:
2351 RETVAL = env->set_lk_max_lockers (env, max);
2352 OUTPUT:
2353 RETVAL
2354
2355 int set_lk_max_locks (DB_ENV *env, U32 max)
2356 CODE:
2357 RETVAL = env->set_lk_max_locks (env, max);
2358 OUTPUT:
2359 RETVAL
2360
2361 int set_lk_max_objects (DB_ENV *env, U32 max)
2362 CODE:
2363 RETVAL = env->set_lk_max_objects (env, max);
2364 OUTPUT:
2365 RETVAL
2366
2367 int set_lg_bsize (DB_ENV *env, U32 max)
2368 CODE:
2369 RETVAL = env->set_lg_bsize (env, max);
2370 OUTPUT:
2371 RETVAL
2372
2373 int set_lg_max (DB_ENV *env, U32 max)
2374 CODE:
2375 RETVAL = env->set_lg_max (env, max);
2376 OUTPUT:
2377 RETVAL
2378
2379 #if DB_VERSION_MINOR >= 4
2380
2381 int mutex_set_max (DB_ENV *env, U32 max)
2382 CODE:
2383 RETVAL = env->mutex_set_max (env, max);
2384 OUTPUT:
2385 RETVAL
2386
2387 int mutex_set_increment (DB_ENV *env, U32 increment)
2388 CODE:
2389 RETVAL = env->mutex_set_increment (env, increment);
2390 OUTPUT:
2391 RETVAL
2392
2393 int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2394 CODE:
2395 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2396 OUTPUT:
2397 RETVAL
2398
2399 int mutex_set_align (DB_ENV *env, U32 align)
2400 CODE:
2401 RETVAL = env->mutex_set_align (env, align);
2402 OUTPUT:
2403 RETVAL
2404
2405 #endif
2406
2407 DB_TXN *
2408 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2409 CODE:
2410 errno = env->txn_begin (env, parent, &RETVAL, flags);
2411 if (errno)
2412 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2413 OUTPUT:
2414 RETVAL
2415
2416 #if DB_VERSION_MINOR >= 5
2417
2418 DB_TXN *
2419 cdsgroup_begin (DB_ENV *env)
2420 CODE:
2421 errno = env->cdsgroup_begin (env, &RETVAL);
2422 if (errno)
2423 croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2424 OUTPUT:
2425 RETVAL
2426
2427 #endif
2428
2429 MODULE = BDB PACKAGE = BDB::Db
2430
2431 void
2432 DESTROY (DB_ornuked *db)
2433 CODE:
2434 if (db)
2435 {
2436 SV *env = (SV *)db->app_private;
2437 db->close (db, 0);
2438 SvREFCNT_dec (env);
2439 }
2440
2441 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2442 CODE:
2443 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2444 OUTPUT:
2445 RETVAL
2446
2447 int set_pagesize (DB *db, U32 pagesize)
2448 CODE:
2449 RETVAL = db->set_pagesize (db, pagesize);
2450 OUTPUT:
2451 RETVAL
2452
2453 int set_flags (DB *db, U32 flags)
2454 CODE:
2455 RETVAL = db->set_flags (db, flags);
2456 OUTPUT:
2457 RETVAL
2458
2459 int set_encrypt (DB *db, const char *password, U32 flags)
2460 CODE:
2461 RETVAL = db->set_encrypt (db, password, flags);
2462 OUTPUT:
2463 RETVAL
2464
2465 int set_lorder (DB *db, int lorder)
2466 CODE:
2467 RETVAL = db->set_lorder (db, lorder);
2468 OUTPUT:
2469 RETVAL
2470
2471 int set_bt_minkey (DB *db, U32 minkey)
2472 CODE:
2473 RETVAL = db->set_bt_minkey (db, minkey);
2474 OUTPUT:
2475 RETVAL
2476
2477 int set_re_delim (DB *db, int delim)
2478 CODE:
2479 RETVAL = db->set_re_delim (db, delim);
2480 OUTPUT:
2481 RETVAL
2482
2483 int set_re_pad (DB *db, int re_pad)
2484 CODE:
2485 RETVAL = db->set_re_pad (db, re_pad);
2486 OUTPUT:
2487 RETVAL
2488
2489 int set_re_source (DB *db, char *source)
2490 CODE:
2491 RETVAL = db->set_re_source (db, source);
2492 OUTPUT:
2493 RETVAL
2494
2495 int set_re_len (DB *db, U32 re_len)
2496 CODE:
2497 RETVAL = db->set_re_len (db, re_len);
2498 OUTPUT:
2499 RETVAL
2500
2501 int set_h_ffactor (DB *db, U32 h_ffactor)
2502 CODE:
2503 RETVAL = db->set_h_ffactor (db, h_ffactor);
2504 OUTPUT:
2505 RETVAL
2506
2507 int set_h_nelem (DB *db, U32 h_nelem)
2508 CODE:
2509 RETVAL = db->set_h_nelem (db, h_nelem);
2510 OUTPUT:
2511 RETVAL
2512
2513 int set_q_extentsize (DB *db, U32 extentsize)
2514 CODE:
2515 RETVAL = db->set_q_extentsize (db, extentsize);
2516 OUTPUT:
2517 RETVAL
2518
2519 DBC *
2520 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2521 CODE:
2522 errno = db->cursor (db, txn, &RETVAL, flags);
2523 if (errno)
2524 croak ("DB->cursor: %s", db_strerror (errno));
2525 OUTPUT:
2526 RETVAL
2527
2528 #if DB_VERSION_MINOR >= 3
2529
2530 DB_SEQUENCE *
2531 sequence (DB *db, U32 flags = 0)
2532 CODE:
2533 {
2534 errno = db_sequence_create (&RETVAL, db, flags);
2535 if (errno)
2536 croak ("db_sequence_create: %s", db_strerror (errno));
2537 }
2538 OUTPUT:
2539 RETVAL
2540
2541 #endif
2542
2543
2544 MODULE = BDB PACKAGE = BDB::Txn
2545
2546 void
2547 DESTROY (DB_TXN_ornuked *txn)
2548 CODE:
2549 if (txn)
2550 txn->abort (txn);
2551
2552 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2553 CODE:
2554 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2555 OUTPUT:
2556 RETVAL
2557
2558 int failed (DB_TXN *txn)
2559 CODE:
2560 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2561 OUTPUT:
2562 RETVAL
2563
2564
2565 MODULE = BDB PACKAGE = BDB::Cursor
2566
2567 void
2568 DESTROY (DBC_ornuked *dbc)
2569 CODE:
2570 if (dbc)
2571 dbc->c_close (dbc);
2572
2573 #if DB_VERSION_MINOR >= 6
2574
2575 int set_priority (DBC *dbc, int priority)
2576 CODE:
2577 dbc->set_priority (dbc, priority);
2578
2579 #endif
2580
2581 #if DB_VERSION_MINOR >= 3
2582
2583 MODULE = BDB PACKAGE = BDB::Sequence
2584
2585 void
2586 DESTROY (DB_SEQUENCE_ornuked *seq)
2587 CODE:
2588 if (seq)
2589 seq->close (seq, 0);
2590
2591 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2592 CODE:
2593 RETVAL = seq->initial_value (seq, value);
2594 OUTPUT:
2595 RETVAL
2596
2597 int set_cachesize (DB_SEQUENCE *seq, U32 size)
2598 CODE:
2599 RETVAL = seq->set_cachesize (seq, size);
2600 OUTPUT:
2601 RETVAL
2602
2603 int set_flags (DB_SEQUENCE *seq, U32 flags)
2604 CODE:
2605 RETVAL = seq->set_flags (seq, flags);
2606 OUTPUT:
2607 RETVAL
2608
2609 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2610 CODE:
2611 RETVAL = seq->set_range (seq, min, max);
2612 OUTPUT:
2613 RETVAL
2614
2615 #endif
2616
2617