ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/BDB/BDB.xs
Revision: 1.67
Committed: Fri Jan 9 22:32:12 2009 UTC (15 years, 4 months ago) by root
Branch: MAIN
CVS Tags: rel-1_83
Changes since 1.66: +27 -2 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_VERIFY, 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_VERIFY:
889 req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
890 break;
891
892 case REQ_DB_UPGRADE:
893 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
894 break;
895
896 case REQ_DB_PUT:
897 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
898 break;
899
900 #if DB_VERSION_MINOR >= 6
901 case REQ_DB_EXISTS:
902 req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
903 break;
904 #endif
905 case REQ_DB_GET:
906 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
907 break;
908
909 case REQ_DB_PGET:
910 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
911 break;
912
913 case REQ_DB_DEL:
914 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
915 break;
916
917 case REQ_DB_KEY_RANGE:
918 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
919 break;
920
921 case REQ_TXN_COMMIT:
922 req->result = req->txn->commit (req->txn, req->uint1);
923 break;
924
925 case REQ_TXN_ABORT:
926 req->result = req->txn->abort (req->txn);
927 break;
928
929 case REQ_TXN_FINISH:
930 if (req->txn->flags & TXN_DEADLOCK)
931 {
932 req->result = req->txn->abort (req->txn);
933 if (!req->result)
934 req->result = DB_LOCK_DEADLOCK;
935 }
936 else
937 req->result = req->txn->commit (req->txn, req->uint1);
938 break;
939
940 case REQ_C_CLOSE:
941 req->result = req->dbc->c_close (req->dbc);
942 break;
943
944 case REQ_C_COUNT:
945 {
946 db_recno_t recno;
947 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
948 req->uv1 = recno;
949 }
950 break;
951
952 case REQ_C_PUT:
953 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
954 break;
955
956 case REQ_C_GET:
957 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
958 break;
959
960 case REQ_C_PGET:
961 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
962 break;
963
964 case REQ_C_DEL:
965 req->result = req->dbc->c_del (req->dbc, req->uint1);
966 break;
967
968 #if DB_VERSION_MINOR >= 3
969 case REQ_SEQ_OPEN:
970 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
971 break;
972
973 case REQ_SEQ_CLOSE:
974 req->result = req->seq->close (req->seq, req->uint1);
975 break;
976
977 case REQ_SEQ_GET:
978 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
979 break;
980
981 case REQ_SEQ_REMOVE:
982 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
983 break;
984 #endif
985
986 case REQ_ENV_LOG_ARCHIVE:
987 {
988 char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
989 req->result = req->env->log_archive (req->env, &listp, req->uint1);
990 req->buf1 = (char *)listp;
991 }
992 break;
993
994 default:
995 req->result = ENOSYS;
996 break;
997 }
998
999 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
1000 req->txn->flags |= TXN_DEADLOCK;
1001 }
1002
1003 X_THREAD_PROC (bdb_proc)
1004 {
1005 bdb_req req;
1006 struct timespec ts;
1007 worker *self = (worker *)thr_arg;
1008
1009 /* try to distribute timeouts somewhat evenly */
1010 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
1011
1012 for (;;)
1013 {
1014 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1015
1016 X_LOCK (reqlock);
1017
1018 for (;;)
1019 {
1020 self->req = req = reqq_shift (&req_queue);
1021
1022 if (req)
1023 break;
1024
1025 ++idle;
1026
1027 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
1028 == ETIMEDOUT)
1029 {
1030 if (idle > max_idle)
1031 {
1032 --idle;
1033 X_UNLOCK (reqlock);
1034 X_LOCK (wrklock);
1035 --started;
1036 X_UNLOCK (wrklock);
1037 goto quit;
1038 }
1039
1040 /* we are allowed to idle, so do so without any timeout */
1041 X_COND_WAIT (reqwait, reqlock);
1042 ts.tv_sec = time (0) + IDLE_TIMEOUT;
1043 }
1044
1045 --idle;
1046 }
1047
1048 --nready;
1049
1050 X_UNLOCK (reqlock);
1051
1052 if (req->type == REQ_QUIT)
1053 {
1054 X_LOCK (reslock);
1055 free (req);
1056 self->req = 0;
1057 X_UNLOCK (reslock);
1058
1059 goto quit;
1060 }
1061
1062 bdb_request (req);
1063
1064 X_LOCK (reslock);
1065
1066 ++npending;
1067
1068 if (!reqq_push (&res_queue, req))
1069 /* write a dummy byte to the pipe so fh becomes ready */
1070 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
1071
1072 self->req = 0;
1073 worker_clear (self);
1074
1075 X_UNLOCK (reslock);
1076 }
1077
1078 quit:
1079 X_LOCK (wrklock);
1080 worker_free (self);
1081 X_UNLOCK (wrklock);
1082
1083 return 0;
1084 }
1085
1086 /*****************************************************************************/
1087
1088 static void atfork_prepare (void)
1089 {
1090 X_LOCK (wrklock);
1091 X_LOCK (reqlock);
1092 X_LOCK (reslock);
1093 }
1094
1095 static void atfork_parent (void)
1096 {
1097 X_UNLOCK (reslock);
1098 X_UNLOCK (reqlock);
1099 X_UNLOCK (wrklock);
1100 }
1101
1102 static void atfork_child (void)
1103 {
1104 bdb_req prv;
1105
1106 while (prv = reqq_shift (&req_queue))
1107 req_free (prv);
1108
1109 while (prv = reqq_shift (&res_queue))
1110 req_free (prv);
1111
1112 while (wrk_first.next != &wrk_first)
1113 {
1114 worker *wrk = wrk_first.next;
1115
1116 if (wrk->req)
1117 req_free (wrk->req);
1118
1119 worker_clear (wrk);
1120 worker_free (wrk);
1121 }
1122
1123 started = 0;
1124 idle = 0;
1125 nreqs = 0;
1126 nready = 0;
1127 npending = 0;
1128
1129 create_respipe ();
1130
1131 atfork_parent ();
1132 }
1133
1134 #define dREQ(reqtype,rsvcnt) \
1135 bdb_req req; \
1136 int req_pri = next_pri; \
1137 next_pri = DEFAULT_PRI + PRI_BIAS; \
1138 \
1139 if (callback && SvOK (callback)) \
1140 croak ("callback has illegal type or extra arguments"); \
1141 \
1142 Newz (0, req, 1, bdb_cb); \
1143 if (!req) \
1144 croak ("out of memory during bdb_req allocation"); \
1145 \
1146 req->callback = SvREFCNT_inc (cb); \
1147 req->type = (reqtype); \
1148 req->pri = req_pri; \
1149 if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
1150 if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
1151 (void)0;
1152
1153 #define REQ_SEND \
1154 req_send (req)
1155
1156 #define SvPTR(var, arg, type, class, nullok) \
1157 if (!SvOK (arg)) \
1158 { \
1159 if (nullok != 1) \
1160 croak (# var " must be a " # class " object, not undef"); \
1161 \
1162 (var) = 0; \
1163 } \
1164 else if (sv_derived_from ((arg), # class)) \
1165 { \
1166 IV tmp = SvIV ((SV*) SvRV (arg)); \
1167 (var) = INT2PTR (type, tmp); \
1168 if (!var && nullok != 2) \
1169 croak (# var " is not a valid " # class " object anymore"); \
1170 } \
1171 else \
1172 croak (# var " is not of type " # class);
1173
1174 #define ARG_MUTABLE(name) \
1175 if (SvREADONLY (name)) \
1176 croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
1177
1178 static void
1179 ptr_nuke (SV *sv)
1180 {
1181 assert (SvROK (sv));
1182 sv_setiv (SvRV (sv), 0);
1183 }
1184
1185 static int
1186 errno_get (pTHX_ SV *sv, MAGIC *mg)
1187 {
1188 if (*mg->mg_ptr == '!') // should always be the case
1189 if (-30999 <= errno && errno <= -30800)
1190 {
1191 sv_setnv (sv, (NV)errno);
1192 sv_setpv (sv, db_strerror (errno));
1193 SvNOK_on (sv); /* what a wonderful hack! */
1194 // ^^^ copied from perl sources
1195 return 0;
1196 }
1197
1198 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1199 }
1200
1201 static MGVTBL vtbl_errno;
1202
1203 // this wonderful hack :( patches perl's $! variable to support our errno values
1204 static void
1205 patch_errno (void)
1206 {
1207 SV *sv;
1208 MAGIC *mg;
1209
1210 if (!(sv = get_sv ("!", 1)))
1211 return;
1212
1213 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1214 return;
1215
1216 if (mg->mg_virtual != &PL_vtbl_sv)
1217 return;
1218
1219 vtbl_errno = PL_vtbl_sv;
1220 vtbl_errno.svt_get = errno_get;
1221 mg->mg_virtual = &vtbl_errno;
1222 }
1223
1224 #if __GNUC__ >= 4
1225 # define noinline __attribute__ ((noinline))
1226 #else
1227 # define noinline
1228 #endif
1229
1230 static noinline SV *
1231 pop_callback (I32 *ritems, SV *sv)
1232 {
1233 if (SvROK (sv))
1234 {
1235 HV *st;
1236 GV *gvp;
1237 CV *cv;
1238 const char *name;
1239
1240 /* forgive me */
1241 if (SvTYPE (SvRV (sv)) == SVt_PVMG
1242 && (st = SvSTASH (SvRV (sv)))
1243 && (name = HvNAME_get (st))
1244 && (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
1245 return 0;
1246
1247 if ((cv = sv_2cv (sv, &st, &gvp, 0)))
1248 {
1249 --*ritems;
1250 return (SV *)cv;
1251 }
1252 }
1253
1254 return 0;
1255 }
1256
1257 /*****************************************************************************/
1258
1259 #if 0
1260 static int
1261 bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
1262 {
1263 ssize_t size1 = dbt1->size;
1264 ssize_t size2 = dbt2->size;
1265 int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
1266 size1 <= size2 ? size1 : size2);
1267
1268 if (res)
1269 return res;
1270 else if (size1 - size2)
1271 return size1 - size2;
1272 else
1273 return 0;
1274 }
1275
1276 static size_t
1277 bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
1278 {
1279 ssize_t size1 = dbt1->size;
1280 ssize_t size2 = dbt2->size;
1281 u_int8_t *p1 = (u_int8_t *)dbt1->data;
1282 u_int8_t *p2 = (u_int8_t *)dbt2->data;
1283 u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
1284
1285 while (p1 < pe)
1286 if (*p1++ != *p2++)
1287 return p1 - (u_int8_t *)dbt1->data - 1;
1288
1289 if (size1 < size2) return size1 + 1;
1290 if (size1 > size2) return size2 + 1;
1291
1292 return size1;
1293 }
1294 #endif
1295
1296 /*****************************************************************************/
1297
1298 /* stupid windows defines CALLBACK as well */
1299 #undef CALLBACK
1300 #define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1301
1302 MODULE = BDB PACKAGE = BDB
1303
1304 PROTOTYPES: ENABLE
1305
1306 BOOT:
1307 {
1308 HV *stash = gv_stashpv ("BDB", 1);
1309
1310 static const struct {
1311 const char *name;
1312 IV iv;
1313 } *civ, const_iv[] = {
1314 #define const_iv(name) { # name, (IV)DB_ ## name },
1315 const_iv (RPCCLIENT)
1316 const_iv (INIT_CDB)
1317 const_iv (INIT_LOCK)
1318 const_iv (INIT_LOG)
1319 const_iv (INIT_MPOOL)
1320 const_iv (INIT_REP)
1321 const_iv (INIT_TXN)
1322 const_iv (RECOVER)
1323 const_iv (INIT_TXN)
1324 const_iv (RECOVER_FATAL)
1325 const_iv (CREATE)
1326 const_iv (RDONLY)
1327 const_iv (USE_ENVIRON)
1328 const_iv (USE_ENVIRON_ROOT)
1329 const_iv (LOCKDOWN)
1330 const_iv (PRIVATE)
1331 const_iv (SYSTEM_MEM)
1332 const_iv (AUTO_COMMIT)
1333 const_iv (CDB_ALLDB)
1334 const_iv (DIRECT_DB)
1335 const_iv (NOLOCKING)
1336 const_iv (NOMMAP)
1337 const_iv (NOPANIC)
1338 const_iv (OVERWRITE)
1339 const_iv (PANIC_ENVIRONMENT)
1340 const_iv (REGION_INIT)
1341 const_iv (TIME_NOTGRANTED)
1342 const_iv (TXN_NOSYNC)
1343 const_iv (TXN_NOT_DURABLE)
1344 const_iv (TXN_WRITE_NOSYNC)
1345 const_iv (WRITECURSOR)
1346 const_iv (YIELDCPU)
1347 const_iv (ENCRYPT_AES)
1348 const_iv (XA_CREATE)
1349 const_iv (BTREE)
1350 const_iv (HASH)
1351 const_iv (QUEUE)
1352 const_iv (RECNO)
1353 const_iv (UNKNOWN)
1354 const_iv (EXCL)
1355 const_iv (TRUNCATE)
1356 const_iv (NOSYNC)
1357 const_iv (CHKSUM)
1358 const_iv (ENCRYPT)
1359 const_iv (DUP)
1360 const_iv (DUPSORT)
1361 //const_iv (RECNUM)
1362 const_iv (RENUMBER)
1363 const_iv (REVSPLITOFF)
1364 const_iv (CONSUME)
1365 const_iv (CONSUME_WAIT)
1366 const_iv (GET_BOTH)
1367 const_iv (GET_BOTH_RANGE)
1368 //const_iv (SET_RECNO)
1369 //const_iv (MULTIPLE)
1370 const_iv (SNAPSHOT)
1371 const_iv (JOIN_ITEM)
1372 const_iv (JOIN_NOSORT)
1373 const_iv (RMW)
1374
1375 const_iv (NOTFOUND)
1376 const_iv (KEYEMPTY)
1377 const_iv (LOCK_DEADLOCK)
1378 const_iv (LOCK_NOTGRANTED)
1379 const_iv (RUNRECOVERY)
1380 const_iv (OLD_VERSION)
1381 const_iv (REP_HANDLE_DEAD)
1382 const_iv (SECONDARY_BAD)
1383
1384 const_iv (APPEND)
1385 const_iv (NODUPDATA)
1386 const_iv (NOOVERWRITE)
1387
1388 const_iv (TXN_NOWAIT)
1389 const_iv (TXN_SYNC)
1390
1391 const_iv (SET_LOCK_TIMEOUT)
1392 const_iv (SET_TXN_TIMEOUT)
1393
1394 const_iv (FIRST)
1395 const_iv (NEXT)
1396 const_iv (NEXT_DUP)
1397 const_iv (NEXT_NODUP)
1398 const_iv (PREV)
1399 const_iv (PREV_NODUP)
1400 const_iv (SET)
1401 const_iv (SET_RANGE)
1402 const_iv (LAST)
1403 const_iv (BEFORE)
1404 const_iv (AFTER)
1405 const_iv (CURRENT)
1406 const_iv (KEYFIRST)
1407 const_iv (KEYLAST)
1408 const_iv (NODUPDATA)
1409
1410 const_iv (FORCE)
1411
1412 const_iv (LOCK_DEFAULT)
1413 const_iv (LOCK_EXPIRE)
1414 const_iv (LOCK_MAXLOCKS)
1415 const_iv (LOCK_MINLOCKS)
1416 const_iv (LOCK_MINWRITE)
1417 const_iv (LOCK_OLDEST)
1418 const_iv (LOCK_RANDOM)
1419 const_iv (LOCK_YOUNGEST)
1420
1421 const_iv (DONOTINDEX)
1422 const_iv (KEYEMPTY )
1423 const_iv (KEYEXIST )
1424 const_iv (LOCK_DEADLOCK)
1425 const_iv (LOCK_NOTGRANTED)
1426 const_iv (NOSERVER)
1427 const_iv (NOSERVER_HOME)
1428 const_iv (NOSERVER_ID)
1429 const_iv (NOTFOUND)
1430 const_iv (PAGE_NOTFOUND)
1431 const_iv (REP_DUPMASTER)
1432 const_iv (REP_HANDLE_DEAD)
1433 const_iv (REP_HOLDELECTION)
1434 const_iv (REP_ISPERM)
1435 const_iv (REP_NEWMASTER)
1436 const_iv (REP_NEWSITE)
1437 const_iv (REP_NOTPERM)
1438 const_iv (REP_UNAVAIL)
1439 const_iv (RUNRECOVERY)
1440 const_iv (SECONDARY_BAD)
1441 const_iv (VERIFY_BAD)
1442
1443 const_iv (SALVAGE)
1444 const_iv (AGGRESSIVE)
1445 const_iv (PRINTABLE)
1446 const_iv (NOORDERCHK)
1447 const_iv (ORDERCHKONLY)
1448
1449 const_iv (ARCH_ABS)
1450 const_iv (ARCH_DATA)
1451 const_iv (ARCH_LOG)
1452 const_iv (ARCH_REMOVE)
1453
1454 const_iv (VERB_DEADLOCK)
1455 const_iv (VERB_RECOVERY)
1456 const_iv (VERB_REPLICATION)
1457 const_iv (VERB_WAITSFOR)
1458
1459 const_iv (VERSION_MAJOR)
1460 const_iv (VERSION_MINOR)
1461 const_iv (VERSION_PATCH)
1462 #if DB_VERSION_MINOR >= 3
1463 const_iv (INORDER)
1464 const_iv (LOCK_MAXWRITE)
1465 const_iv (SEQ_DEC)
1466 const_iv (SEQ_INC)
1467 const_iv (SEQ_WRAP)
1468 const_iv (BUFFER_SMALL)
1469 const_iv (LOG_BUFFER_FULL)
1470 const_iv (VERSION_MISMATCH)
1471 #endif
1472 #if DB_VERSION_MINOR >= 4
1473 const_iv (REGISTER)
1474 const_iv (DSYNC_DB)
1475 const_iv (READ_COMMITTED)
1476 const_iv (READ_UNCOMMITTED)
1477 const_iv (REP_IGNORE)
1478 const_iv (REP_LOCKOUT)
1479 const_iv (REP_JOIN_FAILURE)
1480 const_iv (FREE_SPACE)
1481 const_iv (FREELIST_ONLY)
1482 const_iv (VERB_REGISTER)
1483 #endif
1484 #if DB_VERSION_MINOR >= 5
1485 const_iv (MULTIVERSION)
1486 const_iv (TXN_SNAPSHOT)
1487 #endif
1488 #if DB_VERSION_MINOR >= 6
1489 const_iv (PREV_DUP)
1490 const_iv (PRIORITY_UNCHANGED)
1491 const_iv (PRIORITY_VERY_LOW)
1492 const_iv (PRIORITY_LOW)
1493 const_iv (PRIORITY_DEFAULT)
1494 const_iv (PRIORITY_HIGH)
1495 const_iv (PRIORITY_VERY_HIGH)
1496 const_iv (IGNORE_LEASE)
1497 #endif
1498 #if DB_VERSION_MINOR >= 7
1499 //const_iv (MULTIPLE_KEY)
1500 const_iv (LOG_DIRECT)
1501 const_iv (LOG_DSYNC)
1502 const_iv (LOG_AUTO_REMOVE)
1503 const_iv (LOG_IN_MEMORY)
1504 const_iv (LOG_ZERO)
1505 #else
1506 const_iv (DIRECT_LOG)
1507 const_iv (LOG_AUTOREMOVE)
1508 # if DB_VERSION_MINOR >= 3
1509 const_iv (DSYNC_LOG)
1510 const_iv (LOG_INMEMORY)
1511 # endif
1512 #endif
1513 };
1514
1515 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1516 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1517
1518 prepare_cb = &PL_sv_undef;
1519
1520 {
1521 /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1522 char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1523
1524 newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
1525 }
1526
1527 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1528
1529 create_respipe ();
1530
1531 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1532 patch_errno ();
1533 }
1534
1535 void
1536 max_poll_reqs (int nreqs)
1537 PROTOTYPE: $
1538 CODE:
1539 max_poll_reqs = nreqs;
1540
1541 void
1542 max_poll_time (double nseconds)
1543 PROTOTYPE: $
1544 CODE:
1545 max_poll_time = nseconds * AIO_TICKS;
1546
1547 void
1548 min_parallel (int nthreads)
1549 PROTOTYPE: $
1550
1551 void
1552 max_parallel (int nthreads)
1553 PROTOTYPE: $
1554
1555 void
1556 max_idle (int nthreads)
1557 PROTOTYPE: $
1558 CODE:
1559 set_max_idle (nthreads);
1560
1561 int
1562 max_outstanding (int maxreqs)
1563 PROTOTYPE: $
1564 CODE:
1565 RETVAL = max_outstanding;
1566 max_outstanding = maxreqs;
1567 OUTPUT:
1568 RETVAL
1569
1570 int
1571 dbreq_pri (int pri = 0)
1572 PROTOTYPE: ;$
1573 CODE:
1574 RETVAL = next_pri - PRI_BIAS;
1575 if (items > 0)
1576 {
1577 if (pri < PRI_MIN) pri = PRI_MIN;
1578 if (pri > PRI_MAX) pri = PRI_MAX;
1579 next_pri = pri + PRI_BIAS;
1580 }
1581 OUTPUT:
1582 RETVAL
1583
1584 void
1585 dbreq_nice (int nice = 0)
1586 CODE:
1587 nice = next_pri - nice;
1588 if (nice < PRI_MIN) nice = PRI_MIN;
1589 if (nice > PRI_MAX) nice = PRI_MAX;
1590 next_pri = nice + PRI_BIAS;
1591
1592 void
1593 flush ()
1594 PROTOTYPE:
1595 CODE:
1596 while (nreqs)
1597 {
1598 poll_wait ();
1599 poll_cb ();
1600 }
1601
1602 int
1603 poll ()
1604 PROTOTYPE:
1605 CODE:
1606 poll_wait ();
1607 RETVAL = poll_cb ();
1608 OUTPUT:
1609 RETVAL
1610
1611 int
1612 poll_fileno ()
1613 PROTOTYPE:
1614 CODE:
1615 RETVAL = respipe [0];
1616 OUTPUT:
1617 RETVAL
1618
1619 int
1620 poll_cb (...)
1621 PROTOTYPE:
1622 CODE:
1623 RETVAL = poll_cb ();
1624 OUTPUT:
1625 RETVAL
1626
1627 void
1628 poll_wait ()
1629 PROTOTYPE:
1630 CODE:
1631 poll_wait ();
1632
1633 int
1634 nreqs ()
1635 PROTOTYPE:
1636 CODE:
1637 RETVAL = nreqs;
1638 OUTPUT:
1639 RETVAL
1640
1641 int
1642 nready ()
1643 PROTOTYPE:
1644 CODE:
1645 RETVAL = get_nready ();
1646 OUTPUT:
1647 RETVAL
1648
1649 int
1650 npending ()
1651 PROTOTYPE:
1652 CODE:
1653 RETVAL = get_npending ();
1654 OUTPUT:
1655 RETVAL
1656
1657 int
1658 nthreads ()
1659 PROTOTYPE:
1660 CODE:
1661 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1662 RETVAL = started;
1663 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1664 OUTPUT:
1665 RETVAL
1666
1667 SV *
1668 set_sync_prepare (SV *cb)
1669 PROTOTYPE: &
1670 CODE:
1671 RETVAL = prepare_cb;
1672 prepare_cb = newSVsv (cb);
1673 OUTPUT:
1674 RETVAL
1675
1676 char *
1677 strerror (int errorno = errno)
1678 PROTOTYPE: ;$
1679 CODE:
1680 RETVAL = db_strerror (errorno);
1681 OUTPUT:
1682 RETVAL
1683
1684 void _on_next_submit (SV *cb)
1685 CODE:
1686 SvREFCNT_dec (on_next_submit);
1687 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1688
1689 DB_ENV *
1690 db_env_create (U32 env_flags = 0)
1691 CODE:
1692 {
1693 errno = db_env_create (&RETVAL, env_flags);
1694 if (errno)
1695 croak ("db_env_create: %s", db_strerror (errno));
1696
1697 if (0)
1698 {
1699 RETVAL->set_errcall (RETVAL, debug_errcall);
1700 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1701 }
1702 }
1703 OUTPUT:
1704 RETVAL
1705
1706 void
1707 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1708 PREINIT:
1709 CALLBACK
1710 CODE:
1711 {
1712 dREQ (REQ_ENV_OPEN, 1);
1713 req->env = env;
1714 req->uint1 = open_flags | DB_THREAD;
1715 req->int1 = mode;
1716 req->buf1 = strdup_ornull (db_home);
1717 REQ_SEND;
1718 }
1719
1720 void
1721 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1722 PREINIT:
1723 CALLBACK
1724 CODE:
1725 {
1726 dREQ (REQ_ENV_CLOSE, 0);
1727 ptr_nuke (ST (0));
1728 req->env = env;
1729 req->uint1 = flags;
1730 REQ_SEND;
1731 }
1732
1733 void
1734 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1735 PREINIT:
1736 CALLBACK
1737 CODE:
1738 {
1739 dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1740 req->env = env;
1741 req->uint1 = kbyte;
1742 req->int1 = min;
1743 req->uint2 = flags;
1744 REQ_SEND;
1745 }
1746
1747 void
1748 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1749 PREINIT:
1750 CALLBACK
1751 CODE:
1752 {
1753 dREQ (REQ_ENV_LOCK_DETECT, 1);
1754 req->env = env;
1755 req->uint1 = flags;
1756 req->uint2 = atype;
1757 /* req->int2 = 0; dummy */
1758 REQ_SEND;
1759 }
1760
1761 void
1762 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1763 PREINIT:
1764 CALLBACK
1765 CODE:
1766 {
1767 dREQ (REQ_ENV_MEMP_SYNC, 1);
1768 req->env = env;
1769 REQ_SEND;
1770 }
1771
1772 void
1773 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1774 PREINIT:
1775 CALLBACK
1776 CODE:
1777 {
1778 dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1779 req->env = env;
1780 req->int1 = percent;
1781 REQ_SEND;
1782 }
1783
1784 void
1785 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1786 PREINIT:
1787 CALLBACK
1788 CODE:
1789 {
1790 dREQ (REQ_ENV_DBREMOVE, 2);
1791 req->env = env;
1792 req->buf1 = strdup_ornull (file);
1793 req->buf2 = strdup_ornull (database);
1794 req->uint1 = flags;
1795 REQ_SEND;
1796 }
1797
1798 void
1799 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)
1800 PREINIT:
1801 CALLBACK
1802 CODE:
1803 {
1804 dREQ (REQ_ENV_DBRENAME, 2);
1805 req->env = env;
1806 req->buf1 = strdup_ornull (file);
1807 req->buf2 = strdup_ornull (database);
1808 req->buf3 = strdup_ornull (newname);
1809 req->uint1 = flags;
1810 REQ_SEND;
1811 }
1812
1813 void
1814 db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
1815 PREINIT:
1816 CALLBACK
1817 CODE:
1818 {
1819 dREQ (REQ_ENV_LOG_ARCHIVE, 1);
1820 req->sv1 = SvREFCNT_inc (listp);
1821 req->env = env;
1822 req->uint1 = flags;
1823 REQ_SEND;
1824 }
1825
1826 DB *
1827 db_create (DB_ENV *env = 0, U32 flags = 0)
1828 CODE:
1829 {
1830 errno = db_create (&RETVAL, env, flags);
1831 if (errno)
1832 croak ("db_create: %s", db_strerror (errno));
1833
1834 if (RETVAL)
1835 RETVAL->app_private = (void *)newSVsv (ST (0));
1836 }
1837 OUTPUT:
1838 RETVAL
1839
1840 void
1841 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1842 PREINIT:
1843 CALLBACK
1844 CODE:
1845 {
1846 dREQ (REQ_DB_OPEN, 2);
1847 req->db = db;
1848 req->txn = txnid;
1849 req->buf1 = strdup_ornull (file);
1850 req->buf2 = strdup_ornull (database);
1851 req->int1 = type;
1852 req->uint1 = flags | DB_THREAD;
1853 req->int2 = mode;
1854 REQ_SEND;
1855 }
1856
1857 void
1858 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1859 PREINIT:
1860 CALLBACK
1861 CODE:
1862 {
1863 dREQ (REQ_DB_CLOSE, 0);
1864 ptr_nuke (ST (0));
1865 req->db = db;
1866 req->uint1 = flags;
1867 req->sv1 = (SV *)db->app_private;
1868 REQ_SEND;
1869 }
1870
1871 #if DB_VERSION_MINOR >= 4
1872
1873 void
1874 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)
1875 PREINIT:
1876 CALLBACK
1877 CODE:
1878 {
1879 dREQ (REQ_DB_COMPACT, 2);
1880 req->db = db;
1881 req->txn = txn;
1882 if (start) sv_to_dbt (&req->dbt1, start);
1883 if (stop ) sv_to_dbt (&req->dbt2, stop );
1884 req->uint1 = flags;
1885 REQ_SEND;
1886 }
1887
1888 #endif
1889
1890 void
1891 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1892 PREINIT:
1893 CALLBACK
1894 CODE:
1895 {
1896 dREQ (REQ_DB_SYNC, 1);
1897 req->db = db;
1898 req->uint1 = flags;
1899 REQ_SEND;
1900 }
1901
1902 void
1903 db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
1904 PREINIT:
1905 CALLBACK
1906 CODE:
1907 {
1908 dREQ (REQ_DB_VERIFY, 1);
1909 ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
1910 req->db = db;
1911 req->buf1 = strdup (file);
1912 req->buf2 = strdup_ornull (database);
1913 req->uint1 = flags;
1914 REQ_SEND;
1915 }
1916
1917 void
1918 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1919 PREINIT:
1920 CALLBACK
1921 CODE:
1922 {
1923 dREQ (REQ_DB_UPGRADE, 1);
1924 req->db = db;
1925 req->buf1 = strdup (file);
1926 req->uint1 = flags;
1927 REQ_SEND;
1928 }
1929
1930 void
1931 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1932 PREINIT:
1933 CALLBACK
1934 CODE:
1935 {
1936 dREQ (REQ_DB_KEY_RANGE, 2);
1937 req->db = db;
1938 req->txn = txn;
1939 sv_to_dbt (&req->dbt1, key);
1940 req->uint1 = flags;
1941 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1942 REQ_SEND;
1943 }
1944
1945 void
1946 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1947 PREINIT:
1948 CALLBACK
1949 CODE:
1950 {
1951 dREQ (REQ_DB_PUT, 2);
1952 req->db = db;
1953 req->txn = txn;
1954 sv_to_dbt (&req->dbt1, key);
1955 sv_to_dbt (&req->dbt2, data);
1956 req->uint1 = flags;
1957 REQ_SEND;
1958 }
1959
1960 #if DB_VERSION_MINOR >= 6
1961
1962 void
1963 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1964 PREINIT:
1965 CALLBACK
1966 CODE:
1967 {
1968 dREQ (REQ_DB_EXISTS, 2);
1969 req->db = db;
1970 req->txn = txn;
1971 req->uint1 = flags;
1972 sv_to_dbt (&req->dbt1, key);
1973 REQ_SEND;
1974 }
1975
1976 #endif
1977
1978 void
1979 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1980 PREINIT:
1981 CALLBACK
1982 CODE:
1983 {
1984 //TODO: key is somtimesmutable
1985 dREQ (REQ_DB_GET, 2);
1986 req->db = db;
1987 req->txn = txn;
1988 req->uint1 = flags;
1989 sv_to_dbt (&req->dbt1, key);
1990 req->dbt3.flags = DB_DBT_MALLOC;
1991 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1992 REQ_SEND;
1993 }
1994
1995 void
1996 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1997 PREINIT:
1998 CALLBACK
1999 CODE:
2000 {
2001 //TODO: key is somtimesmutable
2002 dREQ (REQ_DB_PGET, 2);
2003 req->db = db;
2004 req->txn = txn;
2005 req->uint1 = flags;
2006
2007 sv_to_dbt (&req->dbt1, key);
2008
2009 req->dbt2.flags = DB_DBT_MALLOC;
2010 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
2011
2012 req->dbt3.flags = DB_DBT_MALLOC;
2013 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2014 REQ_SEND;
2015 }
2016
2017 void
2018 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
2019 PREINIT:
2020 CALLBACK
2021 CODE:
2022 {
2023 dREQ (REQ_DB_DEL, 2);
2024 req->db = db;
2025 req->txn = txn;
2026 req->uint1 = flags;
2027 sv_to_dbt (&req->dbt1, key);
2028 REQ_SEND;
2029 }
2030
2031 void
2032 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
2033 PREINIT:
2034 CALLBACK
2035 CODE:
2036 {
2037 dREQ (REQ_TXN_COMMIT, 0);
2038 ptr_nuke (ST (0));
2039 req->txn = txn;
2040 req->uint1 = flags;
2041 REQ_SEND;
2042 }
2043
2044 void
2045 db_txn_abort (DB_TXN *txn, SV *callback = 0)
2046 PREINIT:
2047 CALLBACK
2048 CODE:
2049 {
2050 dREQ (REQ_TXN_ABORT, 0);
2051 ptr_nuke (ST (0));
2052 req->txn = txn;
2053 REQ_SEND;
2054 }
2055
2056 void
2057 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
2058 PREINIT:
2059 CALLBACK
2060 CODE:
2061 {
2062 dREQ (REQ_TXN_FINISH, 0);
2063 ptr_nuke (ST (0));
2064 req->txn = txn;
2065 req->uint1 = flags;
2066 REQ_SEND;
2067 }
2068
2069 void
2070 db_c_close (DBC *dbc, SV *callback = 0)
2071 PREINIT:
2072 CALLBACK
2073 CODE:
2074 {
2075 dREQ (REQ_C_CLOSE, 0);
2076 ptr_nuke (ST (0));
2077 req->dbc = dbc;
2078 REQ_SEND;
2079 }
2080
2081 void
2082 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
2083 PREINIT:
2084 CALLBACK
2085 CODE:
2086 {
2087 dREQ (REQ_C_COUNT, 1);
2088 req->dbc = dbc;
2089 req->sv1 = SvREFCNT_inc (count);
2090 REQ_SEND;
2091 }
2092
2093 void
2094 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
2095 PREINIT:
2096 CALLBACK
2097 CODE:
2098 {
2099 dREQ (REQ_C_PUT, 1);
2100 req->dbc = dbc;
2101 sv_to_dbt (&req->dbt1, key);
2102 sv_to_dbt (&req->dbt2, data);
2103 req->uint1 = flags;
2104 REQ_SEND;
2105 }
2106
2107 void
2108 db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2109 PREINIT:
2110 CALLBACK
2111 CODE:
2112 {
2113 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2114 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
2115 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2116 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2117 "key",
2118 "BDB::db_c_get");
2119
2120 {
2121 dREQ (REQ_C_GET, 1);
2122 req->dbc = dbc;
2123 req->uint1 = flags;
2124 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2125 sv_to_dbt (&req->dbt1, key);
2126 else
2127 {
2128 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2129 sv_to_dbt (&req->dbt1, key);
2130 else
2131 req->dbt1.flags = DB_DBT_MALLOC;
2132
2133 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2134 }
2135
2136 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2137 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2138 sv_to_dbt (&req->dbt3, data);
2139 else
2140 req->dbt3.flags = DB_DBT_MALLOC;
2141
2142 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2143 REQ_SEND;
2144 }
2145 }
2146
2147 void
2148 db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2149 PREINIT:
2150 CALLBACK
2151 CODE:
2152 {
2153 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2154 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
2155 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2156 croak ("argument \"%s\" must be byte/octet-encoded in %s",
2157 "key",
2158 "BDB::db_c_pget");
2159
2160 {
2161 dREQ (REQ_C_PGET, 1);
2162 req->dbc = dbc;
2163 req->uint1 = flags;
2164 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2165 sv_to_dbt (&req->dbt1, key);
2166 else
2167 {
2168 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2169 sv_to_dbt (&req->dbt1, key);
2170 else
2171 req->dbt1.flags = DB_DBT_MALLOC;
2172
2173 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2174 }
2175
2176 req->dbt2.flags = DB_DBT_MALLOC;
2177 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
2178
2179 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2180 || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2181 sv_to_dbt (&req->dbt3, data);
2182 else
2183 req->dbt3.flags = DB_DBT_MALLOC;
2184
2185 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2186 REQ_SEND;
2187 }
2188 }
2189
2190 void
2191 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
2192 PREINIT:
2193 CALLBACK
2194 CODE:
2195 {
2196 dREQ (REQ_C_DEL, 1);
2197 req->dbc = dbc;
2198 req->uint1 = flags;
2199 REQ_SEND;
2200 }
2201
2202
2203 #if DB_VERSION_MINOR >= 3
2204
2205 void
2206 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
2207 PREINIT:
2208 CALLBACK
2209 CODE:
2210 {
2211 dREQ (REQ_SEQ_OPEN, 2);
2212 req->seq = seq;
2213 req->txn = txnid;
2214 req->uint1 = flags | DB_THREAD;
2215 sv_to_dbt (&req->dbt1, key);
2216 REQ_SEND;
2217 }
2218
2219 void
2220 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
2221 PREINIT:
2222 CALLBACK
2223 CODE:
2224 {
2225 dREQ (REQ_SEQ_CLOSE, 0);
2226 ptr_nuke (ST (0));
2227 req->seq = seq;
2228 req->uint1 = flags;
2229 REQ_SEND;
2230 }
2231
2232 void
2233 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2234 PREINIT:
2235 CALLBACK
2236 CODE:
2237 {
2238 dREQ (REQ_SEQ_GET, 2);
2239 req->seq = seq;
2240 req->txn = txnid;
2241 req->int1 = delta;
2242 req->uint1 = flags;
2243 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
2244 REQ_SEND;
2245 }
2246
2247 void
2248 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
2249 PREINIT:
2250 CALLBACK
2251 CODE:
2252 {
2253 dREQ (REQ_SEQ_REMOVE, 2);
2254 req->seq = seq;
2255 req->txn = txnid;
2256 req->uint1 = flags;
2257 REQ_SEND;
2258 }
2259
2260 #endif
2261
2262
2263 MODULE = BDB PACKAGE = BDB::Env
2264
2265 void
2266 DESTROY (DB_ENV_ornuked *env)
2267 CODE:
2268 if (env)
2269 env->close (env, 0);
2270
2271 int set_data_dir (DB_ENV *env, const char *dir)
2272 CODE:
2273 RETVAL = env->set_data_dir (env, dir);
2274 OUTPUT:
2275 RETVAL
2276
2277 int set_tmp_dir (DB_ENV *env, const char *dir)
2278 CODE:
2279 RETVAL = env->set_tmp_dir (env, dir);
2280 OUTPUT:
2281 RETVAL
2282
2283 int set_lg_dir (DB_ENV *env, const char *dir)
2284 CODE:
2285 RETVAL = env->set_lg_dir (env, dir);
2286 OUTPUT:
2287 RETVAL
2288
2289 int set_shm_key (DB_ENV *env, long shm_key)
2290 CODE:
2291 RETVAL = env->set_shm_key (env, shm_key);
2292 OUTPUT:
2293 RETVAL
2294
2295 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2296 CODE:
2297 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2298 OUTPUT:
2299 RETVAL
2300
2301 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2302 CODE:
2303 RETVAL = env->set_flags (env, flags, onoff);
2304 OUTPUT:
2305 RETVAL
2306
2307 #if DB_VERSION_MINOR >= 7
2308
2309 int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2310 CODE:
2311 RETVAL = env->set_intermediate_dir_mode (env, mode);
2312 OUTPUT:
2313 RETVAL
2314
2315 int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2316 CODE:
2317 RETVAL = env->log_set_config (env, flags, onoff);
2318 OUTPUT:
2319 RETVAL
2320
2321 #endif
2322
2323
2324 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2325 CODE:
2326 env->set_errfile (env, errfile);
2327
2328 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2329 CODE:
2330 env->set_msgfile (env, msgfile);
2331
2332 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2333 CODE:
2334 RETVAL = env->set_verbose (env, which, onoff);
2335 OUTPUT:
2336 RETVAL
2337
2338 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2339 CODE:
2340 RETVAL = env->set_encrypt (env, password, flags);
2341 OUTPUT:
2342 RETVAL
2343
2344 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2345 CODE:
2346 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2347 OUTPUT:
2348 RETVAL
2349
2350 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2351 CODE:
2352 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2353 OUTPUT:
2354 RETVAL
2355
2356 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2357 CODE:
2358 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2359 OUTPUT:
2360 RETVAL
2361
2362 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2363 CODE:
2364 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2365 OUTPUT:
2366 RETVAL
2367
2368 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2369 CODE:
2370 RETVAL = env->set_lk_detect (env, detect);
2371 OUTPUT:
2372 RETVAL
2373
2374 int set_lk_max_lockers (DB_ENV *env, U32 max)
2375 CODE:
2376 RETVAL = env->set_lk_max_lockers (env, max);
2377 OUTPUT:
2378 RETVAL
2379
2380 int set_lk_max_locks (DB_ENV *env, U32 max)
2381 CODE:
2382 RETVAL = env->set_lk_max_locks (env, max);
2383 OUTPUT:
2384 RETVAL
2385
2386 int set_lk_max_objects (DB_ENV *env, U32 max)
2387 CODE:
2388 RETVAL = env->set_lk_max_objects (env, max);
2389 OUTPUT:
2390 RETVAL
2391
2392 int set_lg_bsize (DB_ENV *env, U32 max)
2393 CODE:
2394 RETVAL = env->set_lg_bsize (env, max);
2395 OUTPUT:
2396 RETVAL
2397
2398 int set_lg_max (DB_ENV *env, U32 max)
2399 CODE:
2400 RETVAL = env->set_lg_max (env, max);
2401 OUTPUT:
2402 RETVAL
2403
2404 #if DB_VERSION_MINOR >= 4
2405
2406 int mutex_set_max (DB_ENV *env, U32 max)
2407 CODE:
2408 RETVAL = env->mutex_set_max (env, max);
2409 OUTPUT:
2410 RETVAL
2411
2412 int mutex_set_increment (DB_ENV *env, U32 increment)
2413 CODE:
2414 RETVAL = env->mutex_set_increment (env, increment);
2415 OUTPUT:
2416 RETVAL
2417
2418 int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2419 CODE:
2420 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2421 OUTPUT:
2422 RETVAL
2423
2424 int mutex_set_align (DB_ENV *env, U32 align)
2425 CODE:
2426 RETVAL = env->mutex_set_align (env, align);
2427 OUTPUT:
2428 RETVAL
2429
2430 #endif
2431
2432 DB_TXN *
2433 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2434 CODE:
2435 errno = env->txn_begin (env, parent, &RETVAL, flags);
2436 if (errno)
2437 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2438 OUTPUT:
2439 RETVAL
2440
2441 #if DB_VERSION_MINOR >= 5
2442
2443 DB_TXN *
2444 cdsgroup_begin (DB_ENV *env)
2445 CODE:
2446 errno = env->cdsgroup_begin (env, &RETVAL);
2447 if (errno)
2448 croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2449 OUTPUT:
2450 RETVAL
2451
2452 #endif
2453
2454 MODULE = BDB PACKAGE = BDB::Db
2455
2456 void
2457 DESTROY (DB_ornuked *db)
2458 CODE:
2459 if (db)
2460 {
2461 SV *env = (SV *)db->app_private;
2462 db->close (db, 0);
2463 SvREFCNT_dec (env);
2464 }
2465
2466 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2467 CODE:
2468 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2469 OUTPUT:
2470 RETVAL
2471
2472 int set_pagesize (DB *db, U32 pagesize)
2473 CODE:
2474 RETVAL = db->set_pagesize (db, pagesize);
2475 OUTPUT:
2476 RETVAL
2477
2478 int set_flags (DB *db, U32 flags)
2479 CODE:
2480 RETVAL = db->set_flags (db, flags);
2481 OUTPUT:
2482 RETVAL
2483
2484 int set_encrypt (DB *db, const char *password, U32 flags)
2485 CODE:
2486 RETVAL = db->set_encrypt (db, password, flags);
2487 OUTPUT:
2488 RETVAL
2489
2490 int set_lorder (DB *db, int lorder)
2491 CODE:
2492 RETVAL = db->set_lorder (db, lorder);
2493 OUTPUT:
2494 RETVAL
2495
2496 int set_bt_minkey (DB *db, U32 minkey)
2497 CODE:
2498 RETVAL = db->set_bt_minkey (db, minkey);
2499 OUTPUT:
2500 RETVAL
2501
2502 int set_re_delim (DB *db, int delim)
2503 CODE:
2504 RETVAL = db->set_re_delim (db, delim);
2505 OUTPUT:
2506 RETVAL
2507
2508 int set_re_pad (DB *db, int re_pad)
2509 CODE:
2510 RETVAL = db->set_re_pad (db, re_pad);
2511 OUTPUT:
2512 RETVAL
2513
2514 int set_re_source (DB *db, char *source)
2515 CODE:
2516 RETVAL = db->set_re_source (db, source);
2517 OUTPUT:
2518 RETVAL
2519
2520 int set_re_len (DB *db, U32 re_len)
2521 CODE:
2522 RETVAL = db->set_re_len (db, re_len);
2523 OUTPUT:
2524 RETVAL
2525
2526 int set_h_ffactor (DB *db, U32 h_ffactor)
2527 CODE:
2528 RETVAL = db->set_h_ffactor (db, h_ffactor);
2529 OUTPUT:
2530 RETVAL
2531
2532 int set_h_nelem (DB *db, U32 h_nelem)
2533 CODE:
2534 RETVAL = db->set_h_nelem (db, h_nelem);
2535 OUTPUT:
2536 RETVAL
2537
2538 int set_q_extentsize (DB *db, U32 extentsize)
2539 CODE:
2540 RETVAL = db->set_q_extentsize (db, extentsize);
2541 OUTPUT:
2542 RETVAL
2543
2544 DBC *
2545 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2546 CODE:
2547 errno = db->cursor (db, txn, &RETVAL, flags);
2548 if (errno)
2549 croak ("DB->cursor: %s", db_strerror (errno));
2550 OUTPUT:
2551 RETVAL
2552
2553 #if DB_VERSION_MINOR >= 3
2554
2555 DB_SEQUENCE *
2556 sequence (DB *db, U32 flags = 0)
2557 CODE:
2558 {
2559 errno = db_sequence_create (&RETVAL, db, flags);
2560 if (errno)
2561 croak ("db_sequence_create: %s", db_strerror (errno));
2562 }
2563 OUTPUT:
2564 RETVAL
2565
2566 #endif
2567
2568
2569 MODULE = BDB PACKAGE = BDB::Txn
2570
2571 void
2572 DESTROY (DB_TXN_ornuked *txn)
2573 CODE:
2574 if (txn)
2575 txn->abort (txn);
2576
2577 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2578 CODE:
2579 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2580 OUTPUT:
2581 RETVAL
2582
2583 int failed (DB_TXN *txn)
2584 CODE:
2585 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2586 OUTPUT:
2587 RETVAL
2588
2589
2590 MODULE = BDB PACKAGE = BDB::Cursor
2591
2592 void
2593 DESTROY (DBC_ornuked *dbc)
2594 CODE:
2595 if (dbc)
2596 dbc->c_close (dbc);
2597
2598 #if DB_VERSION_MINOR >= 6
2599
2600 int set_priority (DBC *dbc, int priority)
2601 CODE:
2602 dbc->set_priority (dbc, priority);
2603
2604 #endif
2605
2606 #if DB_VERSION_MINOR >= 3
2607
2608 MODULE = BDB PACKAGE = BDB::Sequence
2609
2610 void
2611 DESTROY (DB_SEQUENCE_ornuked *seq)
2612 CODE:
2613 if (seq)
2614 seq->close (seq, 0);
2615
2616 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2617 CODE:
2618 RETVAL = seq->initial_value (seq, value);
2619 OUTPUT:
2620 RETVAL
2621
2622 int set_cachesize (DB_SEQUENCE *seq, U32 size)
2623 CODE:
2624 RETVAL = seq->set_cachesize (seq, size);
2625 OUTPUT:
2626 RETVAL
2627
2628 int set_flags (DB_SEQUENCE *seq, U32 flags)
2629 CODE:
2630 RETVAL = seq->set_flags (seq, flags);
2631 OUTPUT:
2632 RETVAL
2633
2634 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2635 CODE:
2636 RETVAL = seq->set_range (seq, min, max);
2637 OUTPUT:
2638 RETVAL
2639
2640 #endif
2641
2642