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/cvs/BDB/BDB.xs
Revision: 1.65
Committed: Fri Jan 2 22:37:51 2009 UTC (15 years, 4 months ago) by root
Branch: MAIN
Changes since 1.64: +88 -1 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 #endif
553
554 static void
555 create_respipe (void)
556 {
557 #ifdef _WIN32
558 int arg; /* argg */
559 #endif
560 int old_readfd = respipe [0];
561
562 if (respipe [1] >= 0)
563 respipe_close (TO_SOCKET (respipe [1]));
564
565 #ifdef _WIN32
566 if (ev_pipe (respipe))
567 #else
568 if (pipe (respipe))
569 #endif
570 croak ("unable to initialize result pipe");
571
572 if (old_readfd >= 0)
573 {
574 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
575 croak ("unable to initialize result pipe(2)");
576
577 respipe_close (respipe [0]);
578 respipe [0] = old_readfd;
579 }
580
581 #ifdef _WIN32
582 arg = 1;
583 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
584 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
585 #else
586 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
587 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
588 #endif
589 croak ("unable to initialize result pipe(3)");
590
591 respipe_osf [0] = TO_SOCKET (respipe [0]);
592 respipe_osf [1] = TO_SOCKET (respipe [1]);
593 }
594
595 static void bdb_request (bdb_req req);
596 X_THREAD_PROC (bdb_proc);
597
598 static void start_thread (void)
599 {
600 worker *wrk = calloc (1, sizeof (worker));
601
602 if (!wrk)
603 croak ("unable to allocate worker thread data");
604
605 X_LOCK (wrklock);
606 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
607 {
608 wrk->prev = &wrk_first;
609 wrk->next = wrk_first.next;
610 wrk_first.next->prev = wrk;
611 wrk_first.next = wrk;
612 ++started;
613 }
614 else
615 free (wrk);
616
617 X_UNLOCK (wrklock);
618 }
619
620 static void maybe_start_thread (void)
621 {
622 if (get_nthreads () >= wanted)
623 return;
624
625 /* todo: maybe use idle here, but might be less exact */
626 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
627 return;
628
629 start_thread ();
630 }
631
632 static void req_send (bdb_req req)
633 {
634 SV *wait_callback = 0;
635
636 if (on_next_submit)
637 {
638 dSP;
639 SV *cb = sv_2mortal (on_next_submit);
640
641 on_next_submit = 0;
642
643 PUSHMARK (SP);
644 PUTBACK;
645 call_sv (cb, G_DISCARD | G_EVAL);
646 SPAGAIN;
647 }
648
649 // synthesize callback if none given
650 if (!req->callback)
651 {
652 if (SvOK (prepare_cb))
653 {
654 int count;
655
656 dSP;
657 PUSHMARK (SP);
658 PUTBACK;
659 count = call_sv (prepare_cb, G_ARRAY);
660 SPAGAIN;
661
662 if (count != 2)
663 croak ("sync prepare callback must return exactly two values\n");
664
665 wait_callback = POPs;
666 req->callback = SvREFCNT_inc (POPs);
667 }
668 else
669 {
670 // execute request synchronously
671 bdb_request (req);
672 req_invoke (req);
673 req_free (req);
674 return;
675 }
676 }
677
678 ++nreqs;
679
680 X_LOCK (reqlock);
681 ++nready;
682 reqq_push (&req_queue, req);
683 X_COND_SIGNAL (reqwait);
684 X_UNLOCK (reqlock);
685
686 maybe_start_thread ();
687
688 if (wait_callback)
689 {
690 dSP;
691 PUSHMARK (SP);
692 PUTBACK;
693 call_sv (wait_callback, G_DISCARD);
694 }
695 }
696
697 static void end_thread (void)
698 {
699 bdb_req req = calloc (1, sizeof (bdb_cb));
700
701 req->type = REQ_QUIT;
702 req->pri = PRI_MAX + PRI_BIAS;
703
704 X_LOCK (reqlock);
705 reqq_push (&req_queue, req);
706 X_COND_SIGNAL (reqwait);
707 X_UNLOCK (reqlock);
708
709 X_LOCK (wrklock);
710 --started;
711 X_UNLOCK (wrklock);
712 }
713
714 static void set_max_idle (int nthreads)
715 {
716 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
717 max_idle = nthreads <= 0 ? 1 : nthreads;
718 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
719 }
720
721 static void min_parallel (int nthreads)
722 {
723 if (wanted < nthreads)
724 wanted = nthreads;
725 }
726
727 static void max_parallel (int nthreads)
728 {
729 if (wanted > nthreads)
730 wanted = nthreads;
731
732 while (started > wanted)
733 end_thread ();
734 }
735
736 static void poll_wait (void)
737 {
738 fd_set rfd;
739
740 while (nreqs)
741 {
742 int size;
743 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
744 size = res_queue.size;
745 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
746
747 if (size)
748 return;
749
750 maybe_start_thread ();
751
752 FD_ZERO (&rfd);
753 FD_SET (respipe [0], &rfd);
754
755 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
756 }
757 }
758
759 static int poll_cb (void)
760 {
761 dSP;
762 int count = 0;
763 int maxreqs = max_poll_reqs;
764 int do_croak = 0;
765 struct timeval tv_start, tv_now;
766 bdb_req req;
767
768 if (max_poll_time)
769 gettimeofday (&tv_start, 0);
770
771 for (;;)
772 {
773 for (;;)
774 {
775 maybe_start_thread ();
776
777 X_LOCK (reslock);
778 req = reqq_shift (&res_queue);
779
780 if (req)
781 {
782 --npending;
783
784 if (!res_queue.size)
785 {
786 /* read any signals sent by the worker threads */
787 char buf [4];
788 while (respipe_read (respipe [0], buf, 4) == 4)
789 ;
790 }
791 }
792
793 X_UNLOCK (reslock);
794
795 if (!req)
796 break;
797
798 --nreqs;
799
800 if (!req_invoke (req))
801 {
802 req_free (req);
803 croak (0);
804 }
805
806 count++;
807
808 req_free (req);
809
810 if (maxreqs && !--maxreqs)
811 break;
812
813 if (max_poll_time)
814 {
815 gettimeofday (&tv_now, 0);
816
817 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
818 break;
819 }
820 }
821
822 if (nreqs <= max_outstanding)
823 break;
824
825 poll_wait ();
826
827 ++maxreqs;
828 }
829
830 return count;
831 }
832
833 /*****************************************************************************/
834
835 static void
836 bdb_request (bdb_req req)
837 {
838 switch (req->type)
839 {
840 case REQ_ENV_OPEN:
841 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
842 break;
843
844 case REQ_ENV_CLOSE:
845 req->result = req->env->close (req->env, req->uint1);
846 break;
847
848 case REQ_ENV_TXN_CHECKPOINT:
849 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
850 break;
851
852 case REQ_ENV_LOCK_DETECT:
853 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
854 break;
855
856 case REQ_ENV_MEMP_SYNC:
857 req->result = req->env->memp_sync (req->env, 0);
858 break;
859
860 case REQ_ENV_MEMP_TRICKLE:
861 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
862 break;
863
864 case REQ_ENV_DBREMOVE:
865 req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
866 break;
867
868 case REQ_ENV_DBRENAME:
869 req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
870 break;
871
872 case REQ_DB_OPEN:
873 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
874 break;
875
876 case REQ_DB_CLOSE:
877 req->result = req->db->close (req->db, req->uint1);
878 break;
879
880 #if DB_VERSION_MINOR >= 4
881 case REQ_DB_COMPACT:
882 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);
883 break;
884 #endif
885
886 case REQ_DB_SYNC:
887 req->result = req->db->sync (req->db, req->uint1);
888 break;
889
890 case REQ_DB_UPGRADE:
891 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
892 break;
893
894 case REQ_DB_PUT:
895 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
896 break;
897
898 #if DB_VERSION_MINOR >= 6
899 case REQ_DB_EXISTS:
900 req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
901 break;
902 #endif
903 case REQ_DB_GET:
904 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
905 break;
906
907 case REQ_DB_PGET:
908 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
909 break;
910
911 case REQ_DB_DEL:
912 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
913 break;
914
915 case REQ_DB_KEY_RANGE:
916 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
917 break;
918
919 case REQ_TXN_COMMIT:
920 req->result = req->txn->commit (req->txn, req->uint1);
921 break;
922
923 case REQ_TXN_ABORT:
924 req->result = req->txn->abort (req->txn);
925 break;
926
927 case REQ_TXN_FINISH:
928 if (req->txn->flags & TXN_DEADLOCK)
929 {
930 req->result = req->txn->abort (req->txn);
931 if (!req->result)
932 req->result = DB_LOCK_DEADLOCK;
933 }
934 else
935 req->result = req->txn->commit (req->txn, req->uint1);
936 break;
937
938 case REQ_C_CLOSE:
939 req->result = req->dbc->c_close (req->dbc);
940 break;
941
942 case REQ_C_COUNT:
943 {
944 db_recno_t recno;
945 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
946 req->uv1 = recno;
947 }
948 break;
949
950 case REQ_C_PUT:
951 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
952 break;
953
954 case REQ_C_GET:
955 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
956 break;
957
958 case REQ_C_PGET:
959 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
960 break;
961
962 case REQ_C_DEL:
963 req->result = req->dbc->c_del (req->dbc, req->uint1);
964 break;
965
966 #if DB_VERSION_MINOR >= 3
967 case REQ_SEQ_OPEN:
968 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
969 break;
970
971 case REQ_SEQ_CLOSE:
972 req->result = req->seq->close (req->seq, req->uint1);
973 break;
974
975 case REQ_SEQ_GET:
976 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
977 break;
978
979 case REQ_SEQ_REMOVE:
980 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
981 break;
982 #endif
983
984 case REQ_ENV_LOG_ARCHIVE:
985 {
986 char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
987 req->result = req->env->log_archive (req->env, &listp, req->uint1);
988 req->buf1 = (char *)listp;
989 }
990 break;
991
992 default:
993 req->result = ENOSYS;
994 break;
995 }
996
997 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
998 req->txn->flags |= TXN_DEADLOCK;
999 }
1000
1001 X_THREAD_PROC (bdb_proc)
1002 {
1003 bdb_req req;
1004 struct timespec ts;
1005 worker *self = (worker *)thr_arg;
1006
1007 /* try to distribute timeouts somewhat evenly */
1008 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1009
1010 for (;;)
1011 {
1012 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1013
1014 X_LOCK (reqlock);
1015
1016 for (;;)
1017 {
1018 self->req = req = reqq_shift (&req_queue);
1019
1020 if (req)
1021 break;
1022
1023 ++idle;
1024
1025 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1026 == ETIMEDOUT)
1027 {
1028 if (idle > max_idle)
1029 {
1030 --idle;
1031 X_UNLOCK (reqlock);
1032 X_LOCK (wrklock);
1033 --started;
1034 X_UNLOCK (wrklock);
1035 goto quit;
1036 }
1037
1038 /* we are allowed to idle, so do so without any timeout */
1039 X_COND_WAIT (reqwait, reqlock);
1040 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1041 }
1042
1043 --idle;
1044 }
1045
1046 --nready;
1047
1048 X_UNLOCK (reqlock);
1049
1050 if (req->type == REQ_QUIT)
1051 {
1052 X_LOCK (reslock);
1053 free (req);
1054 self->req = 0;
1055 X_UNLOCK (reslock);
1056
1057 goto quit;
1058 }
1059
1060 bdb_request (req);
1061
1062 X_LOCK (reslock);
1063
1064 ++npending;
1065
1066 if (!reqq_push (&res_queue, req))
1067 /* write a dummy byte to the pipe so fh becomes ready */
1068 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
1069
1070 self->req = 0;
1071 worker_clear (self);
1072
1073 X_UNLOCK (reslock);
1074 }
1075
1076 quit:
1077 X_LOCK (wrklock);
1078 worker_free (self);
1079 X_UNLOCK (wrklock);
1080
1081 return 0;
1082 }
1083
1084 /*****************************************************************************/
1085
1086 static void atfork_prepare (void)
1087 {
1088 X_LOCK (wrklock);
1089 X_LOCK (reqlock);
1090 X_LOCK (reslock);
1091 }
1092
1093 static void atfork_parent (void)
1094 {
1095 X_UNLOCK (reslock);
1096 X_UNLOCK (reqlock);
1097 X_UNLOCK (wrklock);
1098 }
1099
1100 static void atfork_child (void)
1101 {
1102 bdb_req prv;
1103
1104 while (prv = reqq_shift (&req_queue))
1105 req_free (prv);
1106
1107 while (prv = reqq_shift (&res_queue))
1108 req_free (prv);
1109
1110 while (wrk_first.next != &wrk_first)
1111 {
1112 worker *wrk = wrk_first.next;
1113
1114 if (wrk->req)
1115 req_free (wrk->req);
1116
1117 worker_clear (wrk);
1118 worker_free (wrk);
1119 }
1120
1121 started = 0;
1122 idle = 0;
1123 nreqs = 0;
1124 nready = 0;
1125 npending = 0;
1126
1127 create_respipe ();
1128
1129 atfork_parent ();
1130 }
1131
1132 #define dREQ(reqtype,rsvcnt) \
1133 bdb_req req; \
1134 int req_pri = next_pri; \
1135 next_pri = DEFAULT_PRI + PRI_BIAS; \
1136 \
1137 if (callback && SvOK (callback)) \
1138 croak ("callback has illegal type or extra arguments"); \
1139 \
1140 Newz (0, req, 1, bdb_cb); \
1141 if (!req) \
1142 croak ("out of memory during bdb_req allocation"); \
1143 \
1144 req->callback = SvREFCNT_inc (cb); \
1145 req->type = (reqtype); \
1146 req->pri = req_pri; \
1147 if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
1148 if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
1149 (void)0;
1150
1151 #define REQ_SEND \
1152 req_send (req)
1153
1154 #define SvPTR(var, arg, type, class, nullok) \
1155 if (!SvOK (arg)) \
1156 { \
1157 if (nullok != 1) \
1158 croak (# var " must be a " # class " object, not undef"); \
1159 \
1160 (var) = 0; \
1161 } \
1162 else if (sv_derived_from ((arg), # class)) \
1163 { \
1164 IV tmp = SvIV ((SV*) SvRV (arg)); \
1165 (var) = INT2PTR (type, tmp); \
1166 if (!var && nullok != 2) \
1167 croak (# var " is not a valid " # class " object anymore"); \
1168 } \
1169 else \
1170 croak (# var " is not of type " # class);
1171
1172 #define ARG_MUTABLE(name) \
1173 if (SvREADONLY (name)) \
1174 croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
1175
1176 static void
1177 ptr_nuke (SV *sv)
1178 {
1179 assert (SvROK (sv));
1180 sv_setiv (SvRV (sv), 0);
1181 }
1182
1183 static int
1184 errno_get (pTHX_ SV *sv, MAGIC *mg)
1185 {
1186 if (*mg->mg_ptr == '!') // should always be the case
1187 if (-30999 <= errno && errno <= -30800)
1188 {
1189 sv_setnv (sv, (NV)errno);
1190 sv_setpv (sv, db_strerror (errno));
1191 SvNOK_on (sv); /* what a wonderful hack! */
1192 // ^^^ copied from perl sources
1193 return 0;
1194 }
1195
1196 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1197 }
1198
1199 static MGVTBL vtbl_errno;
1200
1201 // this wonderful hack :( patches perl's $! variable to support our errno values
1202 static void
1203 patch_errno (void)
1204 {
1205 SV *sv;
1206 MAGIC *mg;
1207
1208 if (!(sv = get_sv ("!", 1)))
1209 return;
1210
1211 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1212 return;
1213
1214 if (mg->mg_virtual != &PL_vtbl_sv)
1215 return;
1216
1217 vtbl_errno = PL_vtbl_sv;
1218 vtbl_errno.svt_get = errno_get;
1219 mg->mg_virtual = &vtbl_errno;
1220 }
1221
1222 #if __GNUC__ >= 4
1223 # define noinline __attribute__ ((noinline))
1224 #else
1225 # define noinline
1226 #endif
1227
1228 static noinline SV *
1229 pop_callback (I32 *ritems, SV *sv)
1230 {
1231 if (SvROK (sv))
1232 {
1233 HV *st;
1234 GV *gvp;
1235 CV *cv;
1236 const char *name;
1237
1238 /* forgive me */
1239 if (SvTYPE (SvRV (sv)) == SVt_PVMG
1240 && (st = SvSTASH (SvRV (sv)))
1241 && (name = HvNAME_get (st))
1242 && (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
1243 return 0;
1244
1245 if ((cv = sv_2cv (sv, &st, &gvp, 0)))
1246 {
1247 --*ritems;
1248 return (SV *)cv;
1249 }
1250 }
1251
1252 return 0;
1253 }
1254
1255 /*****************************************************************************/
1256
1257 #if 0
1258 static int
1259 bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
1260 {
1261 ssize_t size1 = dbt1->size;
1262 ssize_t size2 = dbt2->size;
1263 int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
1264 size1 <= size2 ? size1 : size2);
1265
1266 if (res)
1267 return res;
1268 else if (size1 - size2)
1269 return size1 - size2;
1270 else
1271 return 0;
1272 }
1273
1274 static size_t
1275 bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
1276 {
1277 ssize_t size1 = dbt1->size;
1278 ssize_t size2 = dbt2->size;
1279 u_int8_t *p1 = (u_int8_t *)dbt1->data;
1280 u_int8_t *p2 = (u_int8_t *)dbt2->data;
1281 u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
1282
1283 while (p1 < pe)
1284 if (*p1++ != *p2++)
1285 return p1 - (u_int8_t *)dbt1->data - 1;
1286
1287 if (size1 < size2) return size1 + 1;
1288 if (size1 > size2) return size2 + 1;
1289
1290 return size1;
1291 }
1292 #endif
1293
1294 /*****************************************************************************/
1295
1296 /* stupid windows defines CALLBACK as well */
1297 #undef CALLBACK
1298 #define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1299
1300 MODULE = BDB PACKAGE = BDB
1301
1302 PROTOTYPES: ENABLE
1303
1304 BOOT:
1305 {
1306 HV *stash = gv_stashpv ("BDB", 1);
1307
1308 static const struct {
1309 const char *name;
1310 IV iv;
1311 } *civ, const_iv[] = {
1312 #define const_iv(name) { # name, (IV)DB_ ## name },
1313 const_iv (RPCCLIENT)
1314 const_iv (INIT_CDB)
1315 const_iv (INIT_LOCK)
1316 const_iv (INIT_LOG)
1317 const_iv (INIT_MPOOL)
1318 const_iv (INIT_REP)
1319 const_iv (INIT_TXN)
1320 const_iv (RECOVER)
1321 const_iv (INIT_TXN)
1322 const_iv (RECOVER_FATAL)
1323 const_iv (CREATE)
1324 const_iv (RDONLY)
1325 const_iv (USE_ENVIRON)
1326 const_iv (USE_ENVIRON_ROOT)
1327 const_iv (LOCKDOWN)
1328 const_iv (PRIVATE)
1329 const_iv (SYSTEM_MEM)
1330 const_iv (AUTO_COMMIT)
1331 const_iv (CDB_ALLDB)
1332 const_iv (DIRECT_DB)
1333 const_iv (NOLOCKING)
1334 const_iv (NOMMAP)
1335 const_iv (NOPANIC)
1336 const_iv (OVERWRITE)
1337 const_iv (PANIC_ENVIRONMENT)
1338 const_iv (REGION_INIT)
1339 const_iv (TIME_NOTGRANTED)
1340 const_iv (TXN_NOSYNC)
1341 const_iv (TXN_NOT_DURABLE)
1342 const_iv (TXN_WRITE_NOSYNC)
1343 const_iv (WRITECURSOR)
1344 const_iv (YIELDCPU)
1345 const_iv (ENCRYPT_AES)
1346 const_iv (XA_CREATE)
1347 const_iv (BTREE)
1348 const_iv (HASH)
1349 const_iv (QUEUE)
1350 const_iv (RECNO)
1351 const_iv (UNKNOWN)
1352 const_iv (EXCL)
1353 const_iv (TRUNCATE)
1354 const_iv (NOSYNC)
1355 const_iv (CHKSUM)
1356 const_iv (ENCRYPT)
1357 const_iv (DUP)
1358 const_iv (DUPSORT)
1359 //const_iv (RECNUM)
1360 const_iv (RENUMBER)
1361 const_iv (REVSPLITOFF)
1362 const_iv (CONSUME)
1363 const_iv (CONSUME_WAIT)
1364 const_iv (GET_BOTH)
1365 const_iv (GET_BOTH_RANGE)
1366 //const_iv (SET_RECNO)
1367 //const_iv (MULTIPLE)
1368 const_iv (SNAPSHOT)
1369 const_iv (JOIN_ITEM)
1370 const_iv (JOIN_NOSORT)
1371 const_iv (RMW)
1372
1373 const_iv (NOTFOUND)
1374 const_iv (KEYEMPTY)
1375 const_iv (LOCK_DEADLOCK)
1376 const_iv (LOCK_NOTGRANTED)
1377 const_iv (RUNRECOVERY)
1378 const_iv (OLD_VERSION)
1379 const_iv (REP_HANDLE_DEAD)
1380 const_iv (SECONDARY_BAD)
1381
1382 const_iv (APPEND)
1383 const_iv (NODUPDATA)
1384 const_iv (NOOVERWRITE)
1385
1386 const_iv (TXN_NOWAIT)
1387 const_iv (TXN_SYNC)
1388
1389 const_iv (SET_LOCK_TIMEOUT)
1390 const_iv (SET_TXN_TIMEOUT)
1391
1392 const_iv (FIRST)
1393 const_iv (NEXT)
1394 const_iv (NEXT_DUP)
1395 const_iv (NEXT_NODUP)
1396 const_iv (PREV)
1397 const_iv (PREV_NODUP)
1398 const_iv (SET)
1399 const_iv (SET_RANGE)
1400 const_iv (LAST)
1401 const_iv (BEFORE)
1402 const_iv (AFTER)
1403 const_iv (CURRENT)
1404 const_iv (KEYFIRST)
1405 const_iv (KEYLAST)
1406 const_iv (NODUPDATA)
1407
1408 const_iv (FORCE)
1409
1410 const_iv (LOCK_DEFAULT)
1411 const_iv (LOCK_EXPIRE)
1412 const_iv (LOCK_MAXLOCKS)
1413 const_iv (LOCK_MINLOCKS)
1414 const_iv (LOCK_MINWRITE)
1415 const_iv (LOCK_OLDEST)
1416 const_iv (LOCK_RANDOM)
1417 const_iv (LOCK_YOUNGEST)
1418
1419 const_iv (DONOTINDEX)
1420 const_iv (KEYEMPTY )
1421 const_iv (KEYEXIST )
1422 const_iv (LOCK_DEADLOCK)
1423 const_iv (LOCK_NOTGRANTED)
1424 const_iv (NOSERVER)
1425 const_iv (NOSERVER_HOME)
1426 const_iv (NOSERVER_ID)
1427 const_iv (NOTFOUND)
1428 const_iv (PAGE_NOTFOUND)
1429 const_iv (REP_DUPMASTER)
1430 const_iv (REP_HANDLE_DEAD)
1431 const_iv (REP_HOLDELECTION)
1432 const_iv (REP_ISPERM)
1433 const_iv (REP_NEWMASTER)
1434 const_iv (REP_NEWSITE)
1435 const_iv (REP_NOTPERM)
1436 const_iv (REP_UNAVAIL)
1437 const_iv (RUNRECOVERY)
1438 const_iv (SECONDARY_BAD)
1439 const_iv (VERIFY_BAD)
1440
1441 const_iv (ARCH_ABS)
1442 const_iv (ARCH_DATA)
1443 const_iv (ARCH_LOG)
1444 const_iv (ARCH_REMOVE)
1445
1446 const_iv (VERB_DEADLOCK)
1447 const_iv (VERB_RECOVERY)
1448 const_iv (VERB_REPLICATION)
1449 const_iv (VERB_WAITSFOR)
1450
1451 const_iv (VERSION_MAJOR)
1452 const_iv (VERSION_MINOR)
1453 const_iv (VERSION_PATCH)
1454 #if DB_VERSION_MINOR >= 3
1455 const_iv (INORDER)
1456 const_iv (LOCK_MAXWRITE)
1457 const_iv (SEQ_DEC)
1458 const_iv (SEQ_INC)
1459 const_iv (SEQ_WRAP)
1460 const_iv (BUFFER_SMALL)
1461 const_iv (LOG_BUFFER_FULL)
1462 const_iv (VERSION_MISMATCH)
1463 #endif
1464 #if DB_VERSION_MINOR >= 4
1465 const_iv (REGISTER)
1466 const_iv (DSYNC_DB)
1467 const_iv (READ_COMMITTED)
1468 const_iv (READ_UNCOMMITTED)
1469 const_iv (REP_IGNORE)
1470 const_iv (REP_LOCKOUT)
1471 const_iv (REP_JOIN_FAILURE)
1472 const_iv (FREE_SPACE)
1473 const_iv (FREELIST_ONLY)
1474 const_iv (VERB_REGISTER)
1475 #endif
1476 #if DB_VERSION_MINOR >= 5
1477 const_iv (MULTIVERSION)
1478 const_iv (TXN_SNAPSHOT)
1479 #endif
1480 #if DB_VERSION_MINOR >= 6
1481 const_iv (PREV_DUP)
1482 const_iv (PRIORITY_UNCHANGED)
1483 const_iv (PRIORITY_VERY_LOW)
1484 const_iv (PRIORITY_LOW)
1485 const_iv (PRIORITY_DEFAULT)
1486 const_iv (PRIORITY_HIGH)
1487 const_iv (PRIORITY_VERY_HIGH)
1488 const_iv (IGNORE_LEASE)
1489 #endif
1490 #if DB_VERSION_MINOR >= 7
1491 //const_iv (MULTIPLE_KEY)
1492 const_iv (LOG_DIRECT)
1493 const_iv (LOG_DSYNC)
1494 const_iv (LOG_AUTO_REMOVE)
1495 const_iv (LOG_IN_MEMORY)
1496 const_iv (LOG_ZERO)
1497 #else
1498 const_iv (DIRECT_LOG)
1499 const_iv (LOG_AUTOREMOVE)
1500 # if DB_VERSION_MINOR >= 3
1501 const_iv (DSYNC_LOG)
1502 const_iv (LOG_INMEMORY)
1503 # endif
1504 #endif
1505 };
1506
1507 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1508 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1509
1510 prepare_cb = &PL_sv_undef;
1511
1512 {
1513 /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1514 char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1515
1516 newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
1517 }
1518
1519 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1520
1521 create_respipe ();
1522
1523 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1524 patch_errno ();
1525 }
1526
1527 void
1528 max_poll_reqs (int nreqs)
1529 PROTOTYPE: $
1530 CODE:
1531 max_poll_reqs = nreqs;
1532
1533 void
1534 max_poll_time (double nseconds)
1535 PROTOTYPE: $
1536 CODE:
1537 max_poll_time = nseconds * AIO_TICKS;
1538
1539 void
1540 min_parallel (int nthreads)
1541 PROTOTYPE: $
1542
1543 void
1544 max_parallel (int nthreads)
1545 PROTOTYPE: $
1546
1547 void
1548 max_idle (int nthreads)
1549 PROTOTYPE: $
1550 CODE:
1551 set_max_idle (nthreads);
1552
1553 int
1554 max_outstanding (int maxreqs)
1555 PROTOTYPE: $
1556 CODE:
1557 RETVAL = max_outstanding;
1558 max_outstanding = maxreqs;
1559 OUTPUT:
1560 RETVAL
1561
1562 int
1563 dbreq_pri (int pri = 0)
1564 PROTOTYPE: ;$
1565 CODE:
1566 RETVAL = next_pri - PRI_BIAS;
1567 if (items > 0)
1568 {
1569 if (pri < PRI_MIN) pri = PRI_MIN;
1570 if (pri > PRI_MAX) pri = PRI_MAX;
1571 next_pri = pri + PRI_BIAS;
1572 }
1573 OUTPUT:
1574 RETVAL
1575
1576 void
1577 dbreq_nice (int nice = 0)
1578 CODE:
1579 nice = next_pri - nice;
1580 if (nice < PRI_MIN) nice = PRI_MIN;
1581 if (nice > PRI_MAX) nice = PRI_MAX;
1582 next_pri = nice + PRI_BIAS;
1583
1584 void
1585 flush ()
1586 PROTOTYPE:
1587 CODE:
1588 while (nreqs)
1589 {
1590 poll_wait ();
1591 poll_cb ();
1592 }
1593
1594 int
1595 poll ()
1596 PROTOTYPE:
1597 CODE:
1598 poll_wait ();
1599 RETVAL = poll_cb ();
1600 OUTPUT:
1601 RETVAL
1602
1603 int
1604 poll_fileno ()
1605 PROTOTYPE:
1606 CODE:
1607 RETVAL = respipe [0];
1608 OUTPUT:
1609 RETVAL
1610
1611 int
1612 poll_cb (...)
1613 PROTOTYPE:
1614 CODE:
1615 RETVAL = poll_cb ();
1616 OUTPUT:
1617 RETVAL
1618
1619 void
1620 poll_wait ()
1621 PROTOTYPE:
1622 CODE:
1623 poll_wait ();
1624
1625 int
1626 nreqs ()
1627 PROTOTYPE:
1628 CODE:
1629 RETVAL = nreqs;
1630 OUTPUT:
1631 RETVAL
1632
1633 int
1634 nready ()
1635 PROTOTYPE:
1636 CODE:
1637 RETVAL = get_nready ();
1638 OUTPUT:
1639 RETVAL
1640
1641 int
1642 npending ()
1643 PROTOTYPE:
1644 CODE:
1645 RETVAL = get_npending ();
1646 OUTPUT:
1647 RETVAL
1648
1649 int
1650 nthreads ()
1651 PROTOTYPE:
1652 CODE:
1653 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1654 RETVAL = started;
1655 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1656 OUTPUT:
1657 RETVAL
1658
1659 SV *
1660 set_sync_prepare (SV *cb)
1661 PROTOTYPE: &
1662 CODE:
1663 RETVAL = prepare_cb;
1664 prepare_cb = newSVsv (cb);
1665 OUTPUT:
1666 RETVAL
1667
1668 char *
1669 strerror (int errorno = errno)
1670 PROTOTYPE: ;$
1671 CODE:
1672 RETVAL = db_strerror (errorno);
1673 OUTPUT:
1674 RETVAL
1675
1676 void _on_next_submit (SV *cb)
1677 CODE:
1678 SvREFCNT_dec (on_next_submit);
1679 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1680
1681 DB_ENV *
1682 db_env_create (U32 env_flags = 0)
1683 CODE:
1684 {
1685 errno = db_env_create (&RETVAL, env_flags);
1686 if (errno)
1687 croak ("db_env_create: %s", db_strerror (errno));
1688
1689 if (0)
1690 {
1691 RETVAL->set_errcall (RETVAL, debug_errcall);
1692 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1693 }
1694 }
1695 OUTPUT:
1696 RETVAL
1697
1698 void
1699 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1700 PREINIT:
1701 CALLBACK
1702 CODE:
1703 {
1704 dREQ (REQ_ENV_OPEN, 1);
1705 req->env = env;
1706 req->uint1 = open_flags | DB_THREAD;
1707 req->int1 = mode;
1708 req->buf1 = strdup_ornull (db_home);
1709 REQ_SEND;
1710 }
1711
1712 void
1713 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1714 PREINIT:
1715 CALLBACK
1716 CODE:
1717 {
1718 dREQ (REQ_ENV_CLOSE, 0);
1719 ptr_nuke (ST (0));
1720 req->env = env;
1721 req->uint1 = flags;
1722 REQ_SEND;
1723 }
1724
1725 void
1726 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1727 PREINIT:
1728 CALLBACK
1729 CODE:
1730 {
1731 dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1732 req->env = env;
1733 req->uint1 = kbyte;
1734 req->int1 = min;
1735 req->uint2 = flags;
1736 REQ_SEND;
1737 }
1738
1739 void
1740 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1741 PREINIT:
1742 CALLBACK
1743 CODE:
1744 {
1745 dREQ (REQ_ENV_LOCK_DETECT, 1);
1746 req->env = env;
1747 req->uint1 = flags;
1748 req->uint2 = atype;
1749 /* req->int2 = 0; dummy */
1750 REQ_SEND;
1751 }
1752
1753 void
1754 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1755 PREINIT:
1756 CALLBACK
1757 CODE:
1758 {
1759 dREQ (REQ_ENV_MEMP_SYNC, 1);
1760 req->env = env;
1761 REQ_SEND;
1762 }
1763
1764 void
1765 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1766 PREINIT:
1767 CALLBACK
1768 CODE:
1769 {
1770 dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1771 req->env = env;
1772 req->int1 = percent;
1773 REQ_SEND;
1774 }
1775
1776 void
1777 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1778 PREINIT:
1779 CALLBACK
1780 CODE:
1781 {
1782 dREQ (REQ_ENV_DBREMOVE, 2);
1783 req->env = env;
1784 req->buf1 = strdup_ornull (file);
1785 req->buf2 = strdup_ornull (database);
1786 req->uint1 = flags;
1787 REQ_SEND;
1788 }
1789
1790 void
1791 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)
1792 PREINIT:
1793 CALLBACK
1794 CODE:
1795 {
1796 dREQ (REQ_ENV_DBRENAME, 2);
1797 req->env = env;
1798 req->buf1 = strdup_ornull (file);
1799 req->buf2 = strdup_ornull (database);
1800 req->buf3 = strdup_ornull (newname);
1801 req->uint1 = flags;
1802 REQ_SEND;
1803 }
1804
1805 void
1806 db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
1807 PREINIT:
1808 CALLBACK
1809 CODE:
1810 {
1811 dREQ (REQ_ENV_LOG_ARCHIVE, 1);
1812 req->sv1 = SvREFCNT_inc (listp);
1813 req->env = env;
1814 req->uint1 = flags;
1815 REQ_SEND;
1816 }
1817
1818 DB *
1819 db_create (DB_ENV *env = 0, U32 flags = 0)
1820 CODE:
1821 {
1822 errno = db_create (&RETVAL, env, flags);
1823 if (errno)
1824 croak ("db_create: %s", db_strerror (errno));
1825
1826 if (RETVAL)
1827 RETVAL->app_private = (void *)newSVsv (ST (0));
1828 }
1829 OUTPUT:
1830 RETVAL
1831
1832 void
1833 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1834 PREINIT:
1835 CALLBACK
1836 CODE:
1837 {
1838 dREQ (REQ_DB_OPEN, 2);
1839 req->db = db;
1840 req->txn = txnid;
1841 req->buf1 = strdup_ornull (file);
1842 req->buf2 = strdup_ornull (database);
1843 req->int1 = type;
1844 req->uint1 = flags | DB_THREAD;
1845 req->int2 = mode;
1846 REQ_SEND;
1847 }
1848
1849 void
1850 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1851 PREINIT:
1852 CALLBACK
1853 CODE:
1854 {
1855 dREQ (REQ_DB_CLOSE, 0);
1856 ptr_nuke (ST (0));
1857 req->db = db;
1858 req->uint1 = flags;
1859 req->sv1 = (SV *)db->app_private;
1860 REQ_SEND;
1861 }
1862
1863 #if DB_VERSION_MINOR >= 4
1864
1865 void
1866 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)
1867 PREINIT:
1868 CALLBACK
1869 CODE:
1870 {
1871 dREQ (REQ_DB_COMPACT, 2);
1872 req->db = db;
1873 req->txn = txn;
1874 if (start) sv_to_dbt (&req->dbt1, start);
1875 if (stop ) sv_to_dbt (&req->dbt2, stop );
1876 req->uint1 = flags;
1877 REQ_SEND;
1878 }
1879
1880 #endif
1881
1882 void
1883 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1884 PREINIT:
1885 CALLBACK
1886 CODE:
1887 {
1888 dREQ (REQ_DB_SYNC, 1);
1889 req->db = db;
1890 req->uint1 = flags;
1891 REQ_SEND;
1892 }
1893
1894 void
1895 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1896 PREINIT:
1897 CALLBACK
1898 CODE:
1899 {
1900 dREQ (REQ_DB_SYNC, 1);
1901 req->db = db;
1902 req->buf1 = strdup (file);
1903 req->uint1 = flags;
1904 REQ_SEND;
1905 }
1906
1907 void
1908 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1909 PREINIT:
1910 CALLBACK
1911 CODE:
1912 {
1913 dREQ (REQ_DB_KEY_RANGE, 2);
1914 req->db = db;
1915 req->txn = txn;
1916 sv_to_dbt (&req->dbt1, key);
1917 req->uint1 = flags;
1918 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1919 REQ_SEND;
1920 }
1921
1922 void
1923 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1924 PREINIT:
1925 CALLBACK
1926 CODE:
1927 {
1928 dREQ (REQ_DB_PUT, 2);
1929 req->db = db;
1930 req->txn = txn;
1931 sv_to_dbt (&req->dbt1, key);
1932 sv_to_dbt (&req->dbt2, data);
1933 req->uint1 = flags;
1934 REQ_SEND;
1935 }
1936
1937 #if DB_VERSION_MINOR >= 6
1938
1939 void
1940 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1941 PREINIT:
1942 CALLBACK
1943 CODE:
1944 {
1945 dREQ (REQ_DB_EXISTS, 2);
1946 req->db = db;
1947 req->txn = txn;
1948 req->uint1 = flags;
1949 sv_to_dbt (&req->dbt1, key);
1950 REQ_SEND;
1951 }
1952
1953 #endif
1954
1955 void
1956 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1957 PREINIT:
1958 CALLBACK
1959 CODE:
1960 {
1961 //TODO: key is somtimesmutable
1962 dREQ (REQ_DB_GET, 2);
1963 req->db = db;
1964 req->txn = txn;
1965 req->uint1 = flags;
1966 sv_to_dbt (&req->dbt1, key);
1967 req->dbt3.flags = DB_DBT_MALLOC;
1968 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1969 REQ_SEND;
1970 }
1971
1972 void
1973 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1974 PREINIT:
1975 CALLBACK
1976 CODE:
1977 {
1978 //TODO: key is somtimesmutable
1979 dREQ (REQ_DB_PGET, 2);
1980 req->db = db;
1981 req->txn = txn;
1982 req->uint1 = flags;
1983
1984 sv_to_dbt (&req->dbt1, key);
1985
1986 req->dbt2.flags = DB_DBT_MALLOC;
1987 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1988
1989 req->dbt3.flags = DB_DBT_MALLOC;
1990 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1991 REQ_SEND;
1992 }
1993
1994 void
1995 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1996 PREINIT:
1997 CALLBACK
1998 CODE:
1999 {
2000 dREQ (REQ_DB_DEL, 2);
2001 req->db = db;
2002 req->txn = txn;
2003 req->uint1 = flags;
2004 sv_to_dbt (&req->dbt1, key);
2005 REQ_SEND;
2006 }
2007
2008 void
2009 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
2010 PREINIT:
2011 CALLBACK
2012 CODE:
2013 {
2014 dREQ (REQ_TXN_COMMIT, 0);
2015 ptr_nuke (ST (0));
2016 req->txn = txn;
2017 req->uint1 = flags;
2018 REQ_SEND;
2019 }
2020
2021 void
2022 db_txn_abort (DB_TXN *txn, SV *callback = 0)
2023 PREINIT:
2024 CALLBACK
2025 CODE:
2026 {
2027 dREQ (REQ_TXN_ABORT, 0);
2028 ptr_nuke (ST (0));
2029 req->txn = txn;
2030 REQ_SEND;
2031 }
2032
2033 void
2034 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
2035 PREINIT:
2036 CALLBACK
2037 CODE:
2038 {
2039 dREQ (REQ_TXN_FINISH, 0);
2040 ptr_nuke (ST (0));
2041 req->txn = txn;
2042 req->uint1 = flags;
2043 REQ_SEND;
2044 }
2045
2046 void
2047 db_c_close (DBC *dbc, SV *callback = 0)
2048 PREINIT:
2049 CALLBACK
2050 CODE:
2051 {
2052 dREQ (REQ_C_CLOSE, 0);
2053 ptr_nuke (ST (0));
2054 req->dbc = dbc;
2055 REQ_SEND;
2056 }
2057
2058 void
2059 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
2060 PREINIT:
2061 CALLBACK
2062 CODE:
2063 {
2064 dREQ (REQ_C_COUNT, 1);
2065 req->dbc = dbc;
2066 req->sv1 = SvREFCNT_inc (count);
2067 REQ_SEND;
2068 }
2069
2070 void
2071 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
2072 PREINIT:
2073 CALLBACK
2074 CODE:
2075 {
2076 dREQ (REQ_C_PUT, 1);
2077 req->dbc = dbc;
2078 sv_to_dbt (&req->dbt1, key);
2079 sv_to_dbt (&req->dbt2, data);
2080 req->uint1 = flags;
2081 REQ_SEND;
2082 }
2083
2084 void
2085 db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2086 PREINIT:
2087 CALLBACK
2088 CODE:
2089 {
2090 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2091 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
2092 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2093 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2094 "key",
2095 "BDB::db_c_get");
2096
2097 {
2098 dREQ (REQ_C_GET, 1);
2099 req->dbc = dbc;
2100 req->uint1 = flags;
2101 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2102 sv_to_dbt (&req->dbt1, key);
2103 else
2104 {
2105 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2106 sv_to_dbt (&req->dbt1, key);
2107 else
2108 req->dbt1.flags = DB_DBT_MALLOC;
2109
2110 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2111 }
2112
2113 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2114 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2115 sv_to_dbt (&req->dbt3, data);
2116 else
2117 req->dbt3.flags = DB_DBT_MALLOC;
2118
2119 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2120 REQ_SEND;
2121 }
2122 }
2123
2124 void
2125 db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2126 PREINIT:
2127 CALLBACK
2128 CODE:
2129 {
2130 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2131 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
2132 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2133 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2134 "key",
2135 "BDB::db_c_pget");
2136
2137 {
2138 dREQ (REQ_C_PGET, 1);
2139 req->dbc = dbc;
2140 req->uint1 = flags;
2141 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2142 sv_to_dbt (&req->dbt1, key);
2143 else
2144 {
2145 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2146 sv_to_dbt (&req->dbt1, key);
2147 else
2148 req->dbt1.flags = DB_DBT_MALLOC;
2149
2150 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2151 }
2152
2153 req->dbt2.flags = DB_DBT_MALLOC;
2154 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
2155
2156 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2157 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2158 sv_to_dbt (&req->dbt3, data);
2159 else
2160 req->dbt3.flags = DB_DBT_MALLOC;
2161
2162 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2163 REQ_SEND;
2164 }
2165 }
2166
2167 void
2168 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
2169 PREINIT:
2170 CALLBACK
2171 CODE:
2172 {
2173 dREQ (REQ_C_DEL, 1);
2174 req->dbc = dbc;
2175 req->uint1 = flags;
2176 REQ_SEND;
2177 }
2178
2179
2180 #if DB_VERSION_MINOR >= 3
2181
2182 void
2183 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
2184 PREINIT:
2185 CALLBACK
2186 CODE:
2187 {
2188 dREQ (REQ_SEQ_OPEN, 2);
2189 req->seq = seq;
2190 req->txn = txnid;
2191 req->uint1 = flags | DB_THREAD;
2192 sv_to_dbt (&req->dbt1, key);
2193 REQ_SEND;
2194 }
2195
2196 void
2197 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
2198 PREINIT:
2199 CALLBACK
2200 CODE:
2201 {
2202 dREQ (REQ_SEQ_CLOSE, 0);
2203 ptr_nuke (ST (0));
2204 req->seq = seq;
2205 req->uint1 = flags;
2206 REQ_SEND;
2207 }
2208
2209 void
2210 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2211 PREINIT:
2212 CALLBACK
2213 CODE:
2214 {
2215 dREQ (REQ_SEQ_GET, 2);
2216 req->seq = seq;
2217 req->txn = txnid;
2218 req->int1 = delta;
2219 req->uint1 = flags;
2220 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
2221 REQ_SEND;
2222 }
2223
2224 void
2225 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
2226 PREINIT:
2227 CALLBACK
2228 CODE:
2229 {
2230 dREQ (REQ_SEQ_REMOVE, 2);
2231 req->seq = seq;
2232 req->txn = txnid;
2233 req->uint1 = flags;
2234 REQ_SEND;
2235 }
2236
2237 #endif
2238
2239
2240 MODULE = BDB PACKAGE = BDB::Env
2241
2242 void
2243 DESTROY (DB_ENV_ornuked *env)
2244 CODE:
2245 if (env)
2246 env->close (env, 0);
2247
2248 int set_data_dir (DB_ENV *env, const char *dir)
2249 CODE:
2250 RETVAL = env->set_data_dir (env, dir);
2251 OUTPUT:
2252 RETVAL
2253
2254 int set_tmp_dir (DB_ENV *env, const char *dir)
2255 CODE:
2256 RETVAL = env->set_tmp_dir (env, dir);
2257 OUTPUT:
2258 RETVAL
2259
2260 int set_lg_dir (DB_ENV *env, const char *dir)
2261 CODE:
2262 RETVAL = env->set_lg_dir (env, dir);
2263 OUTPUT:
2264 RETVAL
2265
2266 int set_shm_key (DB_ENV *env, long shm_key)
2267 CODE:
2268 RETVAL = env->set_shm_key (env, shm_key);
2269 OUTPUT:
2270 RETVAL
2271
2272 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2273 CODE:
2274 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2275 OUTPUT:
2276 RETVAL
2277
2278 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2279 CODE:
2280 RETVAL = env->set_flags (env, flags, onoff);
2281 OUTPUT:
2282 RETVAL
2283
2284 #if DB_VERSION_MINOR >= 7
2285
2286 int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2287 CODE:
2288 RETVAL = env->set_intermediate_dir_mode (env, mode);
2289 OUTPUT:
2290 RETVAL
2291
2292 int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2293 CODE:
2294 RETVAL = env->log_set_config (env, flags, onoff);
2295 OUTPUT:
2296 RETVAL
2297
2298 #endif
2299
2300
2301 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2302 CODE:
2303 env->set_errfile (env, errfile);
2304
2305 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2306 CODE:
2307 env->set_msgfile (env, msgfile);
2308
2309 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2310 CODE:
2311 RETVAL = env->set_verbose (env, which, onoff);
2312 OUTPUT:
2313 RETVAL
2314
2315 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2316 CODE:
2317 RETVAL = env->set_encrypt (env, password, flags);
2318 OUTPUT:
2319 RETVAL
2320
2321 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2322 CODE:
2323 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2324 OUTPUT:
2325 RETVAL
2326
2327 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2328 CODE:
2329 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2330 OUTPUT:
2331 RETVAL
2332
2333 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2334 CODE:
2335 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2336 OUTPUT:
2337 RETVAL
2338
2339 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2340 CODE:
2341 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2342 OUTPUT:
2343 RETVAL
2344
2345 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2346 CODE:
2347 RETVAL = env->set_lk_detect (env, detect);
2348 OUTPUT:
2349 RETVAL
2350
2351 int set_lk_max_lockers (DB_ENV *env, U32 max)
2352 CODE:
2353 RETVAL = env->set_lk_max_lockers (env, max);
2354 OUTPUT:
2355 RETVAL
2356
2357 int set_lk_max_locks (DB_ENV *env, U32 max)
2358 CODE:
2359 RETVAL = env->set_lk_max_locks (env, max);
2360 OUTPUT:
2361 RETVAL
2362
2363 int set_lk_max_objects (DB_ENV *env, U32 max)
2364 CODE:
2365 RETVAL = env->set_lk_max_objects (env, max);
2366 OUTPUT:
2367 RETVAL
2368
2369 int set_lg_bsize (DB_ENV *env, U32 max)
2370 CODE:
2371 RETVAL = env->set_lg_bsize (env, max);
2372 OUTPUT:
2373 RETVAL
2374
2375 int set_lg_max (DB_ENV *env, U32 max)
2376 CODE:
2377 RETVAL = env->set_lg_max (env, max);
2378 OUTPUT:
2379 RETVAL
2380
2381 #if DB_VERSION_MINOR >= 4
2382
2383 int mutex_set_max (DB_ENV *env, U32 max)
2384 CODE:
2385 RETVAL = env->mutex_set_max (env, max);
2386 OUTPUT:
2387 RETVAL
2388
2389 int mutex_set_increment (DB_ENV *env, U32 increment)
2390 CODE:
2391 RETVAL = env->mutex_set_increment (env, increment);
2392 OUTPUT:
2393 RETVAL
2394
2395 int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2396 CODE:
2397 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2398 OUTPUT:
2399 RETVAL
2400
2401 int mutex_set_align (DB_ENV *env, U32 align)
2402 CODE:
2403 RETVAL = env->mutex_set_align (env, align);
2404 OUTPUT:
2405 RETVAL
2406
2407 #endif
2408
2409 DB_TXN *
2410 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2411 CODE:
2412 errno = env->txn_begin (env, parent, &RETVAL, flags);
2413 if (errno)
2414 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2415 OUTPUT:
2416 RETVAL
2417
2418 #if DB_VERSION_MINOR >= 5
2419
2420 DB_TXN *
2421 cdsgroup_begin (DB_ENV *env)
2422 CODE:
2423 errno = env->cdsgroup_begin (env, &RETVAL);
2424 if (errno)
2425 croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2426 OUTPUT:
2427 RETVAL
2428
2429 #endif
2430
2431 MODULE = BDB PACKAGE = BDB::Db
2432
2433 void
2434 DESTROY (DB_ornuked *db)
2435 CODE:
2436 if (db)
2437 {
2438 SV *env = (SV *)db->app_private;
2439 db->close (db, 0);
2440 SvREFCNT_dec (env);
2441 }
2442
2443 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2444 CODE:
2445 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2446 OUTPUT:
2447 RETVAL
2448
2449 int set_pagesize (DB *db, U32 pagesize)
2450 CODE:
2451 RETVAL = db->set_pagesize (db, pagesize);
2452 OUTPUT:
2453 RETVAL
2454
2455 int set_flags (DB *db, U32 flags)
2456 CODE:
2457 RETVAL = db->set_flags (db, flags);
2458 OUTPUT:
2459 RETVAL
2460
2461 int set_encrypt (DB *db, const char *password, U32 flags)
2462 CODE:
2463 RETVAL = db->set_encrypt (db, password, flags);
2464 OUTPUT:
2465 RETVAL
2466
2467 int set_lorder (DB *db, int lorder)
2468 CODE:
2469 RETVAL = db->set_lorder (db, lorder);
2470 OUTPUT:
2471 RETVAL
2472
2473 int set_bt_minkey (DB *db, U32 minkey)
2474 CODE:
2475 RETVAL = db->set_bt_minkey (db, minkey);
2476 OUTPUT:
2477 RETVAL
2478
2479 int set_re_delim (DB *db, int delim)
2480 CODE:
2481 RETVAL = db->set_re_delim (db, delim);
2482 OUTPUT:
2483 RETVAL
2484
2485 int set_re_pad (DB *db, int re_pad)
2486 CODE:
2487 RETVAL = db->set_re_pad (db, re_pad);
2488 OUTPUT:
2489 RETVAL
2490
2491 int set_re_source (DB *db, char *source)
2492 CODE:
2493 RETVAL = db->set_re_source (db, source);
2494 OUTPUT:
2495 RETVAL
2496
2497 int set_re_len (DB *db, U32 re_len)
2498 CODE:
2499 RETVAL = db->set_re_len (db, re_len);
2500 OUTPUT:
2501 RETVAL
2502
2503 int set_h_ffactor (DB *db, U32 h_ffactor)
2504 CODE:
2505 RETVAL = db->set_h_ffactor (db, h_ffactor);
2506 OUTPUT:
2507 RETVAL
2508
2509 int set_h_nelem (DB *db, U32 h_nelem)
2510 CODE:
2511 RETVAL = db->set_h_nelem (db, h_nelem);
2512 OUTPUT:
2513 RETVAL
2514
2515 int set_q_extentsize (DB *db, U32 extentsize)
2516 CODE:
2517 RETVAL = db->set_q_extentsize (db, extentsize);
2518 OUTPUT:
2519 RETVAL
2520
2521 DBC *
2522 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2523 CODE:
2524 errno = db->cursor (db, txn, &RETVAL, flags);
2525 if (errno)
2526 croak ("DB->cursor: %s", db_strerror (errno));
2527 OUTPUT:
2528 RETVAL
2529
2530 #if DB_VERSION_MINOR >= 3
2531
2532 DB_SEQUENCE *
2533 sequence (DB *db, U32 flags = 0)
2534 CODE:
2535 {
2536 errno = db_sequence_create (&RETVAL, db, flags);
2537 if (errno)
2538 croak ("db_sequence_create: %s", db_strerror (errno));
2539 }
2540 OUTPUT:
2541 RETVAL
2542
2543 #endif
2544
2545
2546 MODULE = BDB PACKAGE = BDB::Txn
2547
2548 void
2549 DESTROY (DB_TXN_ornuked *txn)
2550 CODE:
2551 if (txn)
2552 txn->abort (txn);
2553
2554 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2555 CODE:
2556 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2557 OUTPUT:
2558 RETVAL
2559
2560 int failed (DB_TXN *txn)
2561 CODE:
2562 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2563 OUTPUT:
2564 RETVAL
2565
2566
2567 MODULE = BDB PACKAGE = BDB::Cursor
2568
2569 void
2570 DESTROY (DBC_ornuked *dbc)
2571 CODE:
2572 if (dbc)
2573 dbc->c_close (dbc);
2574
2575 #if DB_VERSION_MINOR >= 6
2576
2577 int set_priority (DBC *dbc, int priority)
2578 CODE:
2579 dbc->set_priority (dbc, priority);
2580
2581 #endif
2582
2583 #if DB_VERSION_MINOR >= 3
2584
2585 MODULE = BDB PACKAGE = BDB::Sequence
2586
2587 void
2588 DESTROY (DB_SEQUENCE_ornuked *seq)
2589 CODE:
2590 if (seq)
2591 seq->close (seq, 0);
2592
2593 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2594 CODE:
2595 RETVAL = seq->initial_value (seq, value);
2596 OUTPUT:
2597 RETVAL
2598
2599 int set_cachesize (DB_SEQUENCE *seq, U32 size)
2600 CODE:
2601 RETVAL = seq->set_cachesize (seq, size);
2602 OUTPUT:
2603 RETVAL
2604
2605 int set_flags (DB_SEQUENCE *seq, U32 flags)
2606 CODE:
2607 RETVAL = seq->set_flags (seq, flags);
2608 OUTPUT:
2609 RETVAL
2610
2611 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2612 CODE:
2613 RETVAL = seq->set_range (seq, min, max);
2614 OUTPUT:
2615 RETVAL
2616
2617 #endif
2618
2619