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Revision: 1.76
Committed: Fri Jul 29 09:30:20 2011 UTC (12 years, 9 months ago) by root
Branch: MAIN
CVS Tags: rel-1_89
Changes since 1.75: +30 -26 lines
Log Message: 
1.89

File Contents

# User Rev Content
1 root 1.48 #define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2    
3 root 1.11 #include "xthread.h"
4 root 1.1
5     #include <errno.h>
6    
7     #include "EXTERN.h"
8     #include "perl.h"
9     #include "XSUB.h"
10    
11 root 1.68 #include "schmorp.h"
12    
13 root 1.69 // perl stupidly defines these as argument-less macros, breaking
14 root 1.13 // lots and lots of code.
15     #undef open
16     #undef close
17     #undef abort
18     #undef malloc
19     #undef free
20     #undef send
21    
22 root 1.1 #include <stddef.h>
23     #include <stdlib.h>
24     #include <errno.h>
25     #include <sys/types.h>
26     #include <limits.h>
27     #include <fcntl.h>
28 root 1.2
29 root 1.13 #ifndef _WIN32
30     # include <sys/time.h>
31     # include <unistd.h>
32     #endif
33    
34 root 1.2 #include <db.h>
35 root 1.1
36 root 1.76 #define DBVER DB_VERSION_MAJOR * 100 + DB_VERSION_MINOR
37    
38     #if DBVER < 403
39     # error you need Berkeley DB 4.3 or a newer version installed
40 root 1.10 #endif
41    
42 root 1.1 /* number of seconds after which idle threads exit */
43     #define IDLE_TIMEOUT 10
44    
45 root 1.54 typedef SV SV_mutable;
46    
47 root 1.8 typedef DB_ENV DB_ENV_ornull;
48     typedef DB_TXN DB_TXN_ornull;
49     typedef DBC DBC_ornull;
50     typedef DB DB_ornull;
51 root 1.5
52 root 1.30 typedef DB_ENV DB_ENV_ornuked;
53     typedef DB_TXN DB_TXN_ornuked;
54     typedef DBC DBC_ornuked;
55     typedef DB DB_ornuked;
56 root 1.47
57 root 1.76 #if DBVER >= 403
58 root 1.47 typedef DB_SEQUENCE DB_SEQUENCE_ornull;
59 root 1.30 typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
60 root 1.47 #endif
61 root 1.30
62 root 1.33 typedef char *bdb_filename;
63 root 1.1
64 root 1.3 static SV *prepare_cb;
65    
66 root 1.71 static HV
67     *bdb_stash,
68     *bdb_env_stash,
69     *bdb_txn_stash,
70     *bdb_cursor_stash,
71     *bdb_db_stash,
72     *bdb_sequence_stash;
73    
74 root 1.76 #if DBVER >= 406
75 root 1.16 # define c_close close
76     # define c_count count
77     # define c_del del
78     # define c_dup dup
79     # define c_get get
80     # define c_pget pget
81     # define c_put put
82     #endif
83    
84 root 1.34 static char *
85     get_bdb_filename (SV *sv)
86     {
87 root 1.36 if (!SvOK (sv))
88     return 0;
89    
90 root 1.35 #if _WIN32
91 root 1.36 /* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
92     {
93     STRLEN len;
94     char *src = SvPVbyte (sv, len);
95     SV *t1 = sv_newmortal ();
96     SV *t2 = sv_newmortal ();
97    
98     sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
99     sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
100    
101     len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
102     len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
103     SvPOK_only (t2);
104     SvPVX (t2)[len] = 0;
105     SvCUR_set (t2, len);
106    
107     return SvPVX (t2);
108     }
109 root 1.34 #else
110 root 1.36 return SvPVbyte_nolen (sv);
111 root 1.34 #endif
112     }
113    
114 root 1.14 static void
115     debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
116     {
117     printf ("err[%s]\n", msg);
118     }
119    
120     static void
121     debug_msgcall (const DB_ENV *dbenv, const char *msg)
122     {
123     printf ("msg[%s]\n", msg);
124     }
125    
126 root 1.13 static char *
127 root 1.3 strdup_ornull (const char *s)
128 root 1.2 {
129 root 1.3 return s ? strdup (s) : 0;
130     }
131    
132 root 1.13 static void
133 root 1.5 sv_to_dbt (DBT *dbt, SV *sv)
134     {
135     STRLEN len;
136     char *data = SvPVbyte (sv, len);
137    
138     dbt->data = malloc (len);
139     memcpy (dbt->data, data, len);
140     dbt->size = len;
141 root 1.6 dbt->flags = DB_DBT_REALLOC;
142 root 1.5 }
143    
144 root 1.13 static void
145 root 1.5 dbt_to_sv (SV *sv, DBT *dbt)
146     {
147 root 1.6 if (sv)
148     {
149     SvREADONLY_off (sv);
150 root 1.55
151     if (dbt->data)
152     sv_setpvn_mg (sv, dbt->data, dbt->size);
153     else
154     sv_setsv_mg (sv, &PL_sv_undef);
155    
156 root 1.6 SvREFCNT_dec (sv);
157     }
158 root 1.5
159 root 1.55 free (dbt->data);
160 root 1.5 }
161    
162 root 1.3 enum {
163 root 1.1 REQ_QUIT,
164 root 1.8 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
165 root 1.39 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
166 root 1.63 REQ_ENV_LOG_ARCHIVE,
167 root 1.67 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
168 root 1.45 REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
169 root 1.17 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
170 root 1.6 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
171 root 1.8 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
172 root 1.1 };
173    
174 root 1.28 typedef struct bdb_cb
175 root 1.1 {
176 root 1.28 struct bdb_cb *volatile next;
177 root 1.2 SV *callback;
178 root 1.3 int type, pri, result;
179 root 1.2
180     DB_ENV *env;
181     DB *db;
182     DB_TXN *txn;
183 root 1.6 DBC *dbc;
184    
185     UV uv1;
186 root 1.2 int int1, int2;
187     U32 uint1, uint2;
188 root 1.39 char *buf1, *buf2, *buf3;
189 root 1.6 SV *sv1, *sv2, *sv3;
190 root 1.3
191     DBT dbt1, dbt2, dbt3;
192 root 1.8 DB_KEY_RANGE key_range;
193 root 1.76 #if DBVER >= 403
194 root 1.8 DB_SEQUENCE *seq;
195     db_seq_t seq_t;
196 root 1.47 #endif
197 root 1.50
198     SV *rsv1, *rsv2; // keep some request objects alive
199 root 1.28 } bdb_cb;
200 root 1.1
201 root 1.28 typedef bdb_cb *bdb_req;
202 root 1.1
203     enum {
204     PRI_MIN = -4,
205     PRI_MAX = 4,
206    
207     DEFAULT_PRI = 0,
208     PRI_BIAS = -PRI_MIN,
209     NUM_PRI = PRI_MAX + PRI_BIAS + 1,
210     };
211    
212     #define AIO_TICKS ((1000000 + 1023) >> 10)
213    
214 root 1.37 static SV *on_next_submit;
215    
216 root 1.1 static unsigned int max_poll_time = 0;
217     static unsigned int max_poll_reqs = 0;
218    
219     /* calculcate time difference in ~1/AIO_TICKS of a second */
220     static int tvdiff (struct timeval *tv1, struct timeval *tv2)
221     {
222     return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
223     + ((tv2->tv_usec - tv1->tv_usec) >> 10);
224     }
225    
226     static int next_pri = DEFAULT_PRI + PRI_BIAS;
227    
228     static unsigned int started, idle, wanted;
229    
230     /* worker threads management */
231 root 1.74 static xmutex_t wrklock = X_MUTEX_INIT;
232 root 1.1
233     typedef struct worker {
234     /* locked by wrklock */
235     struct worker *prev, *next;
236    
237 root 1.74 xthread_t tid;
238 root 1.1
239     /* locked by reslock, reqlock or wrklock */
240 root 1.28 bdb_req req; /* currently processed request */
241 root 1.1 void *dbuf;
242     DIR *dirp;
243     } worker;
244    
245     static worker wrk_first = { &wrk_first, &wrk_first, 0 };
246    
247     static void worker_clear (worker *wrk)
248     {
249     }
250    
251     static void worker_free (worker *wrk)
252     {
253     wrk->next->prev = wrk->prev;
254     wrk->prev->next = wrk->next;
255    
256     free (wrk);
257     }
258    
259     static volatile unsigned int nreqs, nready, npending;
260     static volatile unsigned int max_idle = 4;
261     static volatile unsigned int max_outstanding = 0xffffffff;
262 root 1.69 static s_epipe respipe;
263 root 1.1
264 root 1.74 static xmutex_t reslock = X_MUTEX_INIT;
265     static xmutex_t reqlock = X_MUTEX_INIT;
266     static xcond_t reqwait = X_COND_INIT;
267 root 1.1
268     #if WORDACCESS_UNSAFE
269    
270 root 1.34 static unsigned int get_nready (void)
271 root 1.1 {
272     unsigned int retval;
273    
274 root 1.12 X_LOCK (reqlock);
275 root 1.1 retval = nready;
276 root 1.12 X_UNLOCK (reqlock);
277 root 1.1
278     return retval;
279     }
280    
281 root 1.34 static unsigned int get_npending (void)
282 root 1.1 {
283     unsigned int retval;
284    
285 root 1.12 X_LOCK (reslock);
286 root 1.1 retval = npending;
287 root 1.12 X_UNLOCK (reslock);
288 root 1.1
289     return retval;
290     }
291    
292 root 1.34 static unsigned int get_nthreads (void)
293 root 1.1 {
294     unsigned int retval;
295    
296 root 1.12 X_LOCK (wrklock);
297 root 1.1 retval = started;
298 root 1.12 X_UNLOCK (wrklock);
299 root 1.1
300     return retval;
301     }
302    
303     #else
304    
305     # define get_nready() nready
306     # define get_npending() npending
307     # define get_nthreads() started
308    
309     #endif
310    
311     /*
312     * a somewhat faster data structure might be nice, but
313     * with 8 priorities this actually needs <20 insns
314     * per shift, the most expensive operation.
315     */
316     typedef struct {
317 root 1.28 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
318 root 1.1 int size;
319     } reqq;
320    
321     static reqq req_queue;
322     static reqq res_queue;
323    
324 root 1.28 int reqq_push (reqq *q, bdb_req req)
325 root 1.1 {
326     int pri = req->pri;
327     req->next = 0;
328    
329     if (q->qe[pri])
330     {
331     q->qe[pri]->next = req;
332     q->qe[pri] = req;
333     }
334     else
335     q->qe[pri] = q->qs[pri] = req;
336    
337     return q->size++;
338     }
339    
340 root 1.28 bdb_req reqq_shift (reqq *q)
341 root 1.1 {
342     int pri;
343    
344     if (!q->size)
345     return 0;
346    
347     --q->size;
348    
349     for (pri = NUM_PRI; pri--; )
350     {
351 root 1.28 bdb_req req = q->qs[pri];
352 root 1.1
353     if (req)
354     {
355     if (!(q->qs[pri] = req->next))
356     q->qe[pri] = 0;
357    
358     return req;
359     }
360     }
361    
362     abort ();
363     }
364    
365 root 1.34 static int poll_cb (void);
366 root 1.28 static void req_free (bdb_req req);
367 root 1.1
368 root 1.28 static int req_invoke (bdb_req req)
369 root 1.1 {
370 root 1.53 switch (req->type)
371 root 1.1 {
372 root 1.53 case REQ_DB_CLOSE:
373     SvREFCNT_dec (req->sv1);
374     break;
375 root 1.1
376 root 1.53 case REQ_DB_GET:
377     case REQ_DB_PGET:
378     case REQ_C_GET:
379     case REQ_C_PGET:
380 root 1.54 case REQ_DB_PUT:
381     case REQ_C_PUT:
382 root 1.53 dbt_to_sv (req->sv1, &req->dbt1);
383     dbt_to_sv (req->sv2, &req->dbt2);
384     dbt_to_sv (req->sv3, &req->dbt3);
385     break;
386 root 1.5
387 root 1.53 case REQ_DB_KEY_RANGE:
388     {
389     AV *av = newAV ();
390 root 1.23
391 root 1.53 av_push (av, newSVnv (req->key_range.less));
392     av_push (av, newSVnv (req->key_range.equal));
393     av_push (av, newSVnv (req->key_range.greater));
394    
395 root 1.63 av = (AV *)newRV_noinc ((SV *)av);
396    
397 root 1.53 SvREADONLY_off (req->sv1);
398     sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
399 root 1.63 SvREFCNT_dec (av);
400 root 1.53 SvREFCNT_dec (req->sv1);
401     }
402     break;
403 root 1.8
404 root 1.76 #if DBVER >= 403
405 root 1.53 case REQ_SEQ_GET:
406     SvREADONLY_off (req->sv1);
407 root 1.8
408 root 1.53 if (sizeof (IV) > 4)
409     sv_setiv_mg (req->sv1, (IV)req->seq_t);
410     else
411     sv_setnv_mg (req->sv1, (NV)req->seq_t);
412 root 1.8
413 root 1.53 SvREFCNT_dec (req->sv1);
414     break;
415 root 1.47 #endif
416 root 1.63
417     case REQ_ENV_LOG_ARCHIVE:
418     {
419     AV *av = newAV ();
420     char **listp = (char **)req->buf1;
421    
422     if (listp)
423     while (*listp)
424     av_push (av, newSVpv (*listp, 0)), ++listp;
425    
426     av = (AV *)newRV_noinc ((SV *)av);
427    
428     SvREADONLY_off (req->sv1);
429     sv_setsv_mg (req->sv1, (SV *)av);
430     SvREFCNT_dec (av);
431     SvREFCNT_dec (req->sv1);
432     }
433     break;
434 root 1.53 }
435    
436     errno = req->result;
437    
438     if (req->callback)
439     {
440     dSP;
441 root 1.1
442 root 1.53 ENTER;
443     SAVETMPS;
444     PUSHMARK (SP);
445 root 1.3
446 root 1.1 PUTBACK;
447     call_sv (req->callback, G_VOID | G_EVAL);
448     SPAGAIN;
449    
450     FREETMPS;
451     LEAVE;
452 root 1.53
453     return !SvTRUE (ERRSV);
454 root 1.1 }
455    
456 root 1.53 return 1;
457 root 1.1 }
458    
459 root 1.28 static void req_free (bdb_req req)
460 root 1.1 {
461 root 1.43 SvREFCNT_dec (req->callback);
462    
463 root 1.50 SvREFCNT_dec (req->rsv1);
464     SvREFCNT_dec (req->rsv2);
465    
466 root 1.2 free (req->buf1);
467     free (req->buf2);
468 root 1.39 free (req->buf3);
469 root 1.43
470 root 1.1 Safefree (req);
471     }
472    
473 root 1.13 static void
474 root 1.34 create_respipe (void)
475 root 1.13 {
476 root 1.69 if (s_epipe_renew (&respipe))
477     croak ("BDB: unable to create event pipe");
478 root 1.13 }
479    
480 root 1.53 static void bdb_request (bdb_req req);
481 root 1.13 X_THREAD_PROC (bdb_proc);
482 root 1.1
483     static void start_thread (void)
484     {
485     worker *wrk = calloc (1, sizeof (worker));
486    
487     if (!wrk)
488     croak ("unable to allocate worker thread data");
489    
490 root 1.12 X_LOCK (wrklock);
491 root 1.13 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
492 root 1.1 {
493     wrk->prev = &wrk_first;
494     wrk->next = wrk_first.next;
495     wrk_first.next->prev = wrk;
496     wrk_first.next = wrk;
497     ++started;
498     }
499     else
500     free (wrk);
501    
502 root 1.12 X_UNLOCK (wrklock);
503 root 1.1 }
504    
505 root 1.34 static void maybe_start_thread (void)
506 root 1.1 {
507     if (get_nthreads () >= wanted)
508     return;
509    
510     /* todo: maybe use idle here, but might be less exact */
511     if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
512     return;
513    
514     start_thread ();
515     }
516    
517 root 1.28 static void req_send (bdb_req req)
518 root 1.1 {
519 root 1.3 SV *wait_callback = 0;
520    
521 root 1.37 if (on_next_submit)
522     {
523     dSP;
524     SV *cb = sv_2mortal (on_next_submit);
525    
526     on_next_submit = 0;
527    
528     PUSHMARK (SP);
529     PUTBACK;
530     call_sv (cb, G_DISCARD | G_EVAL);
531 root 1.49 SPAGAIN;
532 root 1.37 }
533    
534 root 1.3 // synthesize callback if none given
535 root 1.41 if (!req->callback)
536 root 1.3 {
537 root 1.53 if (SvOK (prepare_cb))
538     {
539     int count;
540 root 1.13
541 root 1.53 dSP;
542     PUSHMARK (SP);
543     PUTBACK;
544     count = call_sv (prepare_cb, G_ARRAY);
545     SPAGAIN;
546 root 1.3
547 root 1.53 if (count != 2)
548 root 1.54 croak ("sync prepare callback must return exactly two values\n");
549 root 1.3
550 root 1.53 wait_callback = POPs;
551     req->callback = SvREFCNT_inc (POPs);
552     }
553     else
554     {
555     // execute request synchronously
556     bdb_request (req);
557     req_invoke (req);
558     req_free (req);
559     return;
560     }
561 root 1.3 }
562    
563 root 1.1 ++nreqs;
564    
565 root 1.12 X_LOCK (reqlock);
566 root 1.1 ++nready;
567     reqq_push (&req_queue, req);
568 root 1.12 X_COND_SIGNAL (reqwait);
569     X_UNLOCK (reqlock);
570 root 1.1
571     maybe_start_thread ();
572 root 1.3
573     if (wait_callback)
574     {
575     dSP;
576     PUSHMARK (SP);
577     PUTBACK;
578     call_sv (wait_callback, G_DISCARD);
579     }
580 root 1.1 }
581    
582     static void end_thread (void)
583     {
584 root 1.52 bdb_req req = calloc (1, sizeof (bdb_cb));
585 root 1.1
586     req->type = REQ_QUIT;
587     req->pri = PRI_MAX + PRI_BIAS;
588    
589 root 1.12 X_LOCK (reqlock);
590 root 1.1 reqq_push (&req_queue, req);
591 root 1.12 X_COND_SIGNAL (reqwait);
592     X_UNLOCK (reqlock);
593 root 1.1
594 root 1.12 X_LOCK (wrklock);
595 root 1.1 --started;
596 root 1.12 X_UNLOCK (wrklock);
597 root 1.1 }
598    
599     static void set_max_idle (int nthreads)
600     {
601 root 1.12 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
602 root 1.1 max_idle = nthreads <= 0 ? 1 : nthreads;
603 root 1.12 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
604 root 1.1 }
605    
606     static void min_parallel (int nthreads)
607     {
608     if (wanted < nthreads)
609     wanted = nthreads;
610     }
611    
612     static void max_parallel (int nthreads)
613     {
614     if (wanted > nthreads)
615     wanted = nthreads;
616    
617     while (started > wanted)
618     end_thread ();
619     }
620    
621 root 1.34 static void poll_wait (void)
622 root 1.1 {
623     while (nreqs)
624     {
625     int size;
626 root 1.12 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
627 root 1.1 size = res_queue.size;
628 root 1.12 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
629 root 1.1
630     if (size)
631     return;
632    
633     maybe_start_thread ();
634    
635 root 1.69 s_epipe_wait (&respipe);
636 root 1.1 }
637     }
638    
639 root 1.34 static int poll_cb (void)
640 root 1.1 {
641     dSP;
642     int count = 0;
643     int maxreqs = max_poll_reqs;
644     int do_croak = 0;
645     struct timeval tv_start, tv_now;
646 root 1.28 bdb_req req;
647 root 1.1
648     if (max_poll_time)
649     gettimeofday (&tv_start, 0);
650    
651     for (;;)
652     {
653     for (;;)
654     {
655     maybe_start_thread ();
656    
657 root 1.12 X_LOCK (reslock);
658 root 1.1 req = reqq_shift (&res_queue);
659    
660     if (req)
661     {
662     --npending;
663    
664     if (!res_queue.size)
665 root 1.69 /* read any signals sent by the worker threads */
666     s_epipe_drain (&respipe);
667 root 1.1 }
668    
669 root 1.12 X_UNLOCK (reslock);
670 root 1.1
671     if (!req)
672     break;
673    
674     --nreqs;
675    
676     if (!req_invoke (req))
677     {
678     req_free (req);
679     croak (0);
680     }
681    
682     count++;
683    
684     req_free (req);
685    
686     if (maxreqs && !--maxreqs)
687     break;
688    
689     if (max_poll_time)
690     {
691     gettimeofday (&tv_now, 0);
692    
693     if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
694     break;
695     }
696     }
697    
698     if (nreqs <= max_outstanding)
699     break;
700    
701     poll_wait ();
702    
703     ++maxreqs;
704     }
705    
706     return count;
707     }
708    
709     /*****************************************************************************/
710    
711 root 1.51 static void
712     bdb_request (bdb_req req)
713     {
714     switch (req->type)
715     {
716     case REQ_ENV_OPEN:
717     req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
718     break;
719    
720     case REQ_ENV_CLOSE:
721     req->result = req->env->close (req->env, req->uint1);
722     break;
723    
724     case REQ_ENV_TXN_CHECKPOINT:
725     req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
726     break;
727    
728     case REQ_ENV_LOCK_DETECT:
729     req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
730     break;
731    
732     case REQ_ENV_MEMP_SYNC:
733     req->result = req->env->memp_sync (req->env, 0);
734     break;
735    
736     case REQ_ENV_MEMP_TRICKLE:
737     req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
738     break;
739    
740     case REQ_ENV_DBREMOVE:
741     req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
742     break;
743    
744     case REQ_ENV_DBRENAME:
745     req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
746     break;
747    
748     case REQ_DB_OPEN:
749     req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
750     break;
751    
752     case REQ_DB_CLOSE:
753     req->result = req->db->close (req->db, req->uint1);
754     break;
755    
756 root 1.76 #if DBVER >= 404
757 root 1.51 case REQ_DB_COMPACT:
758 root 1.62 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);
759 root 1.51 break;
760     #endif
761    
762     case REQ_DB_SYNC:
763     req->result = req->db->sync (req->db, req->uint1);
764     break;
765    
766 root 1.67 case REQ_DB_VERIFY:
767     req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
768     break;
769    
770 root 1.51 case REQ_DB_UPGRADE:
771     req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
772     break;
773    
774     case REQ_DB_PUT:
775     req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
776     break;
777    
778 root 1.76 #if DBVER >= 406
779 root 1.51 case REQ_DB_EXISTS:
780     req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
781     break;
782     #endif
783     case REQ_DB_GET:
784     req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
785     break;
786    
787     case REQ_DB_PGET:
788     req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
789     break;
790    
791     case REQ_DB_DEL:
792     req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
793     break;
794    
795     case REQ_DB_KEY_RANGE:
796     req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
797     break;
798    
799     case REQ_TXN_COMMIT:
800     req->result = req->txn->commit (req->txn, req->uint1);
801     break;
802    
803     case REQ_TXN_ABORT:
804     req->result = req->txn->abort (req->txn);
805     break;
806    
807     case REQ_TXN_FINISH:
808     if (req->txn->flags & TXN_DEADLOCK)
809     {
810     req->result = req->txn->abort (req->txn);
811     if (!req->result)
812     req->result = DB_LOCK_DEADLOCK;
813     }
814     else
815     req->result = req->txn->commit (req->txn, req->uint1);
816     break;
817    
818     case REQ_C_CLOSE:
819     req->result = req->dbc->c_close (req->dbc);
820     break;
821    
822     case REQ_C_COUNT:
823     {
824     db_recno_t recno;
825     req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
826     req->uv1 = recno;
827     }
828     break;
829    
830     case REQ_C_PUT:
831     req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
832     break;
833    
834     case REQ_C_GET:
835     req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
836     break;
837    
838     case REQ_C_PGET:
839     req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
840     break;
841    
842     case REQ_C_DEL:
843     req->result = req->dbc->c_del (req->dbc, req->uint1);
844     break;
845    
846 root 1.76 #if DBVER >= 403
847 root 1.51 case REQ_SEQ_OPEN:
848     req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
849     break;
850    
851     case REQ_SEQ_CLOSE:
852     req->result = req->seq->close (req->seq, req->uint1);
853     break;
854    
855     case REQ_SEQ_GET:
856     req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
857     break;
858    
859     case REQ_SEQ_REMOVE:
860     req->result = req->seq->remove (req->seq, req->txn, req->uint1);
861     break;
862     #endif
863    
864 root 1.63 case REQ_ENV_LOG_ARCHIVE:
865     {
866     char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
867     req->result = req->env->log_archive (req->env, &listp, req->uint1);
868     req->buf1 = (char *)listp;
869     }
870     break;
871    
872 root 1.51 default:
873     req->result = ENOSYS;
874     break;
875     }
876    
877     if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
878     req->txn->flags |= TXN_DEADLOCK;
879     }
880    
881 root 1.13 X_THREAD_PROC (bdb_proc)
882 root 1.1 {
883 root 1.28 bdb_req req;
884 root 1.1 struct timespec ts;
885     worker *self = (worker *)thr_arg;
886    
887     /* try to distribute timeouts somewhat evenly */
888 root 1.13 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
889 root 1.1
890     for (;;)
891     {
892 root 1.69 ts.tv_sec = time (0) + IDLE_TIMEOUT;
893 root 1.1
894 root 1.12 X_LOCK (reqlock);
895 root 1.1
896     for (;;)
897     {
898     self->req = req = reqq_shift (&req_queue);
899    
900     if (req)
901     break;
902    
903     ++idle;
904    
905 root 1.12 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
906 root 1.1 == ETIMEDOUT)
907     {
908     if (idle > max_idle)
909     {
910     --idle;
911 root 1.12 X_UNLOCK (reqlock);
912     X_LOCK (wrklock);
913 root 1.1 --started;
914 root 1.12 X_UNLOCK (wrklock);
915 root 1.1 goto quit;
916     }
917    
918     /* we are allowed to idle, so do so without any timeout */
919 root 1.12 X_COND_WAIT (reqwait, reqlock);
920 root 1.1 ts.tv_sec = time (0) + IDLE_TIMEOUT;
921     }
922    
923     --idle;
924     }
925    
926     --nready;
927    
928 root 1.12 X_UNLOCK (reqlock);
929 root 1.49
930 root 1.51 if (req->type == REQ_QUIT)
931 root 1.52 {
932     X_LOCK (reslock);
933     free (req);
934     self->req = 0;
935     X_UNLOCK (reslock);
936    
937     goto quit;
938     }
939 root 1.1
940 root 1.51 bdb_request (req);
941 root 1.17
942 root 1.12 X_LOCK (reslock);
943 root 1.1
944     ++npending;
945    
946     if (!reqq_push (&res_queue, req))
947 root 1.69 s_epipe_signal (&respipe);
948 root 1.1
949     self->req = 0;
950     worker_clear (self);
951    
952 root 1.12 X_UNLOCK (reslock);
953 root 1.1 }
954    
955     quit:
956 root 1.12 X_LOCK (wrklock);
957 root 1.1 worker_free (self);
958 root 1.12 X_UNLOCK (wrklock);
959 root 1.1
960     return 0;
961     }
962    
963     /*****************************************************************************/
964    
965     static void atfork_prepare (void)
966     {
967 root 1.12 X_LOCK (wrklock);
968     X_LOCK (reqlock);
969     X_LOCK (reslock);
970 root 1.1 }
971    
972     static void atfork_parent (void)
973     {
974 root 1.12 X_UNLOCK (reslock);
975     X_UNLOCK (reqlock);
976     X_UNLOCK (wrklock);
977 root 1.1 }
978    
979     static void atfork_child (void)
980     {
981 root 1.28 bdb_req prv;
982 root 1.1
983     while (prv = reqq_shift (&req_queue))
984     req_free (prv);
985    
986     while (prv = reqq_shift (&res_queue))
987     req_free (prv);
988    
989     while (wrk_first.next != &wrk_first)
990     {
991     worker *wrk = wrk_first.next;
992    
993     if (wrk->req)
994     req_free (wrk->req);
995    
996     worker_clear (wrk);
997     worker_free (wrk);
998     }
999    
1000     started = 0;
1001     idle = 0;
1002     nreqs = 0;
1003     nready = 0;
1004     npending = 0;
1005    
1006 root 1.19 create_respipe ();
1007 root 1.1
1008     atfork_parent ();
1009     }
1010    
1011 root 1.50 #define dREQ(reqtype,rsvcnt) \
1012 root 1.28 bdb_req req; \
1013 root 1.1 int req_pri = next_pri; \
1014     next_pri = DEFAULT_PRI + PRI_BIAS; \
1015     \
1016 root 1.41 if (callback && SvOK (callback)) \
1017     croak ("callback has illegal type or extra arguments"); \
1018 root 1.1 \
1019 root 1.28 Newz (0, req, 1, bdb_cb); \
1020 root 1.1 if (!req) \
1021 root 1.28 croak ("out of memory during bdb_req allocation"); \
1022 root 1.1 \
1023 root 1.50 req->callback = SvREFCNT_inc (cb); \
1024 root 1.2 req->type = (reqtype); \
1025 root 1.50 req->pri = req_pri; \
1026     if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
1027     if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
1028     (void)0;
1029 root 1.1
1030     #define REQ_SEND \
1031 root 1.2 req_send (req)
1032    
1033 root 1.71 #define SvPTR(var, arg, type, stash, class, nullok) \
1034 root 1.5 if (!SvOK (arg)) \
1035     { \
1036 root 1.30 if (nullok != 1) \
1037 root 1.7 croak (# var " must be a " # class " object, not undef"); \
1038 root 1.5 \
1039     (var) = 0; \
1040     } \
1041 root 1.71 else if (SvSTASH (SvRV (arg)) == stash || sv_derived_from ((arg), # class)) \
1042 root 1.5 { \
1043     IV tmp = SvIV ((SV*) SvRV (arg)); \
1044     (var) = INT2PTR (type, tmp); \
1045 root 1.54 if (!var && nullok != 2) \
1046 root 1.7 croak (# var " is not a valid " # class " object anymore"); \
1047 root 1.5 } \
1048     else \
1049 root 1.42 croak (# var " is not of type " # class);
1050 root 1.3
1051 root 1.54 #define ARG_MUTABLE(name) \
1052     if (SvREADONLY (name)) \
1053     croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
1054    
1055 root 1.71 static SV *
1056     newSVptr (void *ptr, HV *stash)
1057     {
1058     SV *rv = NEWSV (0, 0);
1059     sv_upgrade (rv, SVt_PVMG);
1060     sv_setiv (rv, PTR2IV (ptr));
1061    
1062     return sv_bless (newRV_noinc (rv), stash);
1063     }
1064    
1065 root 1.5 static void
1066     ptr_nuke (SV *sv)
1067 root 1.3 {
1068 root 1.5 assert (SvROK (sv));
1069     sv_setiv (SvRV (sv), 0);
1070     }
1071 root 1.3
1072 root 1.31 static int
1073     errno_get (pTHX_ SV *sv, MAGIC *mg)
1074     {
1075     if (*mg->mg_ptr == '!') // should always be the case
1076     if (-30999 <= errno && errno <= -30800)
1077     {
1078 root 1.32 sv_setnv (sv, (NV)errno);
1079 root 1.31 sv_setpv (sv, db_strerror (errno));
1080 root 1.32 SvNOK_on (sv); /* what a wonderful hack! */
1081     // ^^^ copied from perl sources
1082 root 1.31 return 0;
1083     }
1084    
1085     return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1086     }
1087    
1088     static MGVTBL vtbl_errno;
1089    
1090     // this wonderful hack :( patches perl's $! variable to support our errno values
1091     static void
1092     patch_errno (void)
1093     {
1094     SV *sv;
1095     MAGIC *mg;
1096    
1097     if (!(sv = get_sv ("!", 1)))
1098     return;
1099    
1100     if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1101     return;
1102    
1103     if (mg->mg_virtual != &PL_vtbl_sv)
1104     return;
1105    
1106     vtbl_errno = PL_vtbl_sv;
1107     vtbl_errno.svt_get = errno_get;
1108     mg->mg_virtual = &vtbl_errno;
1109     }
1110    
1111 root 1.42 #if __GNUC__ >= 4
1112     # define noinline __attribute__ ((noinline))
1113     #else
1114     # define noinline
1115     #endif
1116    
1117     static noinline SV *
1118 root 1.41 pop_callback (I32 *ritems, SV *sv)
1119     {
1120     if (SvROK (sv))
1121     {
1122     HV *st;
1123     GV *gvp;
1124 root 1.42 CV *cv;
1125     const char *name;
1126    
1127     /* forgive me */
1128     if (SvTYPE (SvRV (sv)) == SVt_PVMG
1129     && (st = SvSTASH (SvRV (sv)))
1130     && (name = HvNAME_get (st))
1131     && (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
1132     return 0;
1133 root 1.41
1134 root 1.42 if ((cv = sv_2cv (sv, &st, &gvp, 0)))
1135 root 1.41 {
1136     --*ritems;
1137     return (SV *)cv;
1138     }
1139     }
1140    
1141     return 0;
1142     }
1143    
1144 root 1.64 /*****************************************************************************/
1145    
1146     #if 0
1147     static int
1148     bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
1149     {
1150     ssize_t size1 = dbt1->size;
1151     ssize_t size2 = dbt2->size;
1152     int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
1153     size1 <= size2 ? size1 : size2);
1154    
1155     if (res)
1156     return res;
1157     else if (size1 - size2)
1158     return size1 - size2;
1159     else
1160     return 0;
1161     }
1162    
1163     static size_t
1164     bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
1165     {
1166     ssize_t size1 = dbt1->size;
1167     ssize_t size2 = dbt2->size;
1168     u_int8_t *p1 = (u_int8_t *)dbt1->data;
1169     u_int8_t *p2 = (u_int8_t *)dbt2->data;
1170     u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
1171    
1172     while (p1 < pe)
1173     if (*p1++ != *p2++)
1174     return p1 - (u_int8_t *)dbt1->data - 1;
1175    
1176     if (size1 < size2) return size1 + 1;
1177     if (size1 > size2) return size2 + 1;
1178    
1179     return size1;
1180     }
1181     #endif
1182    
1183     /*****************************************************************************/
1184    
1185 root 1.58 /* stupid windows defines CALLBACK as well */
1186 root 1.47 #undef CALLBACK
1187 root 1.41 #define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1188    
1189 root 1.2 MODULE = BDB PACKAGE = BDB
1190 root 1.1
1191     PROTOTYPES: ENABLE
1192    
1193     BOOT:
1194     {
1195 root 1.2 static const struct {
1196     const char *name;
1197     IV iv;
1198     } *civ, const_iv[] = {
1199     #define const_iv(name) { # name, (IV)DB_ ## name },
1200 root 1.76 #if DBVER <= 408
1201 root 1.2 const_iv (RPCCLIENT)
1202 root 1.76 #endif
1203 root 1.2 const_iv (INIT_CDB)
1204     const_iv (INIT_LOCK)
1205     const_iv (INIT_LOG)
1206     const_iv (INIT_MPOOL)
1207     const_iv (INIT_REP)
1208     const_iv (INIT_TXN)
1209     const_iv (RECOVER)
1210     const_iv (INIT_TXN)
1211     const_iv (RECOVER_FATAL)
1212     const_iv (CREATE)
1213 root 1.20 const_iv (RDONLY)
1214 root 1.2 const_iv (USE_ENVIRON)
1215     const_iv (USE_ENVIRON_ROOT)
1216     const_iv (LOCKDOWN)
1217     const_iv (PRIVATE)
1218     const_iv (SYSTEM_MEM)
1219     const_iv (AUTO_COMMIT)
1220     const_iv (CDB_ALLDB)
1221     const_iv (DIRECT_DB)
1222     const_iv (NOLOCKING)
1223     const_iv (NOMMAP)
1224     const_iv (NOPANIC)
1225     const_iv (OVERWRITE)
1226     const_iv (PANIC_ENVIRONMENT)
1227     const_iv (REGION_INIT)
1228     const_iv (TIME_NOTGRANTED)
1229     const_iv (TXN_NOSYNC)
1230 root 1.20 const_iv (TXN_NOT_DURABLE)
1231 root 1.2 const_iv (TXN_WRITE_NOSYNC)
1232 root 1.5 const_iv (WRITECURSOR)
1233 root 1.2 const_iv (YIELDCPU)
1234     const_iv (ENCRYPT_AES)
1235 root 1.76 #if DBVER < 408
1236 root 1.2 const_iv (XA_CREATE)
1237 root 1.73 #endif
1238 root 1.2 const_iv (BTREE)
1239     const_iv (HASH)
1240     const_iv (QUEUE)
1241     const_iv (RECNO)
1242     const_iv (UNKNOWN)
1243     const_iv (EXCL)
1244     const_iv (TRUNCATE)
1245     const_iv (NOSYNC)
1246     const_iv (CHKSUM)
1247     const_iv (ENCRYPT)
1248     const_iv (DUP)
1249     const_iv (DUPSORT)
1250 root 1.61 //const_iv (RECNUM)
1251 root 1.2 const_iv (RENUMBER)
1252     const_iv (REVSPLITOFF)
1253     const_iv (CONSUME)
1254     const_iv (CONSUME_WAIT)
1255 root 1.5 const_iv (GET_BOTH)
1256 root 1.6 const_iv (GET_BOTH_RANGE)
1257 root 1.5 //const_iv (SET_RECNO)
1258     //const_iv (MULTIPLE)
1259 root 1.2 const_iv (SNAPSHOT)
1260     const_iv (JOIN_ITEM)
1261 root 1.27 const_iv (JOIN_NOSORT)
1262 root 1.2 const_iv (RMW)
1263    
1264     const_iv (NOTFOUND)
1265     const_iv (KEYEMPTY)
1266     const_iv (LOCK_DEADLOCK)
1267     const_iv (LOCK_NOTGRANTED)
1268     const_iv (RUNRECOVERY)
1269 root 1.3 const_iv (OLD_VERSION)
1270     const_iv (REP_HANDLE_DEAD)
1271 root 1.6 const_iv (SECONDARY_BAD)
1272 root 1.3
1273     const_iv (APPEND)
1274     const_iv (NODUPDATA)
1275     const_iv (NOOVERWRITE)
1276    
1277 root 1.4 const_iv (TXN_NOWAIT)
1278     const_iv (TXN_SYNC)
1279    
1280 root 1.3 const_iv (SET_LOCK_TIMEOUT)
1281     const_iv (SET_TXN_TIMEOUT)
1282 root 1.6
1283     const_iv (FIRST)
1284     const_iv (NEXT)
1285     const_iv (NEXT_DUP)
1286     const_iv (NEXT_NODUP)
1287     const_iv (PREV)
1288     const_iv (PREV_NODUP)
1289     const_iv (SET)
1290     const_iv (SET_RANGE)
1291     const_iv (LAST)
1292     const_iv (BEFORE)
1293     const_iv (AFTER)
1294     const_iv (CURRENT)
1295     const_iv (KEYFIRST)
1296     const_iv (KEYLAST)
1297     const_iv (NODUPDATA)
1298 root 1.8
1299     const_iv (FORCE)
1300    
1301     const_iv (LOCK_DEFAULT)
1302     const_iv (LOCK_EXPIRE)
1303     const_iv (LOCK_MAXLOCKS)
1304     const_iv (LOCK_MINLOCKS)
1305     const_iv (LOCK_MINWRITE)
1306     const_iv (LOCK_OLDEST)
1307     const_iv (LOCK_RANDOM)
1308     const_iv (LOCK_YOUNGEST)
1309    
1310 root 1.14 const_iv (DONOTINDEX)
1311 root 1.73 const_iv (KEYEMPTY)
1312     const_iv (KEYEXIST)
1313 root 1.14 const_iv (LOCK_DEADLOCK)
1314     const_iv (LOCK_NOTGRANTED)
1315     const_iv (NOSERVER)
1316     const_iv (NOSERVER_HOME)
1317     const_iv (NOSERVER_ID)
1318     const_iv (NOTFOUND)
1319     const_iv (PAGE_NOTFOUND)
1320     const_iv (REP_DUPMASTER)
1321     const_iv (REP_HANDLE_DEAD)
1322     const_iv (REP_HOLDELECTION)
1323     const_iv (REP_ISPERM)
1324     const_iv (REP_NEWMASTER)
1325     const_iv (REP_NEWSITE)
1326     const_iv (REP_NOTPERM)
1327     const_iv (REP_UNAVAIL)
1328     const_iv (RUNRECOVERY)
1329     const_iv (SECONDARY_BAD)
1330     const_iv (VERIFY_BAD)
1331    
1332 root 1.67 const_iv (SALVAGE)
1333     const_iv (AGGRESSIVE)
1334     const_iv (PRINTABLE)
1335     const_iv (NOORDERCHK)
1336     const_iv (ORDERCHKONLY)
1337    
1338 root 1.63 const_iv (ARCH_ABS)
1339     const_iv (ARCH_DATA)
1340     const_iv (ARCH_LOG)
1341     const_iv (ARCH_REMOVE)
1342    
1343 root 1.14 const_iv (VERB_DEADLOCK)
1344     const_iv (VERB_RECOVERY)
1345     const_iv (VERB_REPLICATION)
1346     const_iv (VERB_WAITSFOR)
1347    
1348     const_iv (VERSION_MAJOR)
1349     const_iv (VERSION_MINOR)
1350     const_iv (VERSION_PATCH)
1351 root 1.73 const_iv (LOGVERSION)
1352     const_iv (LOGOLDVER)
1353 root 1.76 #if DBVER >= 403
1354 root 1.47 const_iv (INORDER)
1355     const_iv (LOCK_MAXWRITE)
1356     const_iv (SEQ_DEC)
1357     const_iv (SEQ_INC)
1358     const_iv (SEQ_WRAP)
1359     const_iv (BUFFER_SMALL)
1360     const_iv (LOG_BUFFER_FULL)
1361     const_iv (VERSION_MISMATCH)
1362     #endif
1363 root 1.76 #if DBVER >= 404
1364 root 1.47 const_iv (REGISTER)
1365     const_iv (DSYNC_DB)
1366     const_iv (READ_COMMITTED)
1367     const_iv (READ_UNCOMMITTED)
1368     const_iv (REP_IGNORE)
1369     const_iv (REP_LOCKOUT)
1370     const_iv (REP_JOIN_FAILURE)
1371     const_iv (FREE_SPACE)
1372     const_iv (FREELIST_ONLY)
1373     const_iv (VERB_REGISTER)
1374     #endif
1375 root 1.76 #if DBVER >= 405
1376 root 1.13 const_iv (MULTIVERSION)
1377     const_iv (TXN_SNAPSHOT)
1378     #endif
1379 root 1.76 #if DBVER >= 406
1380 root 1.16 const_iv (PREV_DUP)
1381     const_iv (PRIORITY_UNCHANGED)
1382     const_iv (PRIORITY_VERY_LOW)
1383     const_iv (PRIORITY_LOW)
1384     const_iv (PRIORITY_DEFAULT)
1385     const_iv (PRIORITY_HIGH)
1386     const_iv (PRIORITY_VERY_HIGH)
1387 root 1.63 const_iv (IGNORE_LEASE)
1388 root 1.15 #endif
1389 root 1.76 #if DBVER >= 407
1390 root 1.61 //const_iv (MULTIPLE_KEY)
1391 root 1.39 const_iv (LOG_DIRECT)
1392     const_iv (LOG_DSYNC)
1393     const_iv (LOG_AUTO_REMOVE)
1394     const_iv (LOG_IN_MEMORY)
1395     const_iv (LOG_ZERO)
1396     #else
1397     const_iv (DIRECT_LOG)
1398 root 1.47 const_iv (LOG_AUTOREMOVE)
1399 root 1.76 # if DBVER >= 403
1400 root 1.39 const_iv (DSYNC_LOG)
1401     const_iv (LOG_INMEMORY)
1402 root 1.47 # endif
1403 root 1.76 #if DBVER >= 408
1404 root 1.73 const_iv (LOGVERSION_LATCHING)
1405     #endif
1406 root 1.39 #endif
1407 root 1.2 };
1408    
1409 root 1.72 bdb_stash = gv_stashpv ("BDB" , 1);
1410     bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
1411     bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
1412     bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
1413     bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
1414     bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
1415    
1416 root 1.75 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1417     newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1418 root 1.1
1419 root 1.53 prepare_cb = &PL_sv_undef;
1420    
1421 root 1.40 {
1422     /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1423     char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1424    
1425 root 1.71 newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
1426 root 1.40 }
1427    
1428 root 1.71 newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1429 root 1.14
1430 root 1.19 create_respipe ();
1431 root 1.12
1432     X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1433 root 1.31 patch_errno ();
1434 root 1.1 }
1435    
1436     void
1437     max_poll_reqs (int nreqs)
1438     PROTOTYPE: $
1439     CODE:
1440     max_poll_reqs = nreqs;
1441    
1442     void
1443     max_poll_time (double nseconds)
1444     PROTOTYPE: $
1445     CODE:
1446     max_poll_time = nseconds * AIO_TICKS;
1447    
1448     void
1449     min_parallel (int nthreads)
1450     PROTOTYPE: $
1451    
1452     void
1453     max_parallel (int nthreads)
1454     PROTOTYPE: $
1455    
1456     void
1457     max_idle (int nthreads)
1458     PROTOTYPE: $
1459     CODE:
1460     set_max_idle (nthreads);
1461    
1462     int
1463     max_outstanding (int maxreqs)
1464     PROTOTYPE: $
1465     CODE:
1466     RETVAL = max_outstanding;
1467     max_outstanding = maxreqs;
1468     OUTPUT:
1469     RETVAL
1470    
1471     int
1472 root 1.3 dbreq_pri (int pri = 0)
1473 root 1.1 PROTOTYPE: ;$
1474     CODE:
1475     RETVAL = next_pri - PRI_BIAS;
1476     if (items > 0)
1477     {
1478     if (pri < PRI_MIN) pri = PRI_MIN;
1479     if (pri > PRI_MAX) pri = PRI_MAX;
1480     next_pri = pri + PRI_BIAS;
1481     }
1482     OUTPUT:
1483     RETVAL
1484    
1485     void
1486 root 1.3 dbreq_nice (int nice = 0)
1487 root 1.1 CODE:
1488     nice = next_pri - nice;
1489     if (nice < PRI_MIN) nice = PRI_MIN;
1490     if (nice > PRI_MAX) nice = PRI_MAX;
1491     next_pri = nice + PRI_BIAS;
1492    
1493     void
1494     flush ()
1495     PROTOTYPE:
1496     CODE:
1497     while (nreqs)
1498     {
1499     poll_wait ();
1500     poll_cb ();
1501     }
1502    
1503     int
1504 root 1.3 poll ()
1505 root 1.1 PROTOTYPE:
1506     CODE:
1507     poll_wait ();
1508     RETVAL = poll_cb ();
1509     OUTPUT:
1510     RETVAL
1511    
1512     int
1513 root 1.3 poll_fileno ()
1514 root 1.1 PROTOTYPE:
1515     CODE:
1516 root 1.69 RETVAL = s_epipe_fd (&respipe);
1517 root 1.1 OUTPUT:
1518     RETVAL
1519    
1520     int
1521 root 1.3 poll_cb (...)
1522 root 1.1 PROTOTYPE:
1523     CODE:
1524     RETVAL = poll_cb ();
1525     OUTPUT:
1526     RETVAL
1527    
1528     void
1529 root 1.3 poll_wait ()
1530 root 1.1 PROTOTYPE:
1531     CODE:
1532     poll_wait ();
1533    
1534     int
1535 root 1.3 nreqs ()
1536 root 1.1 PROTOTYPE:
1537     CODE:
1538     RETVAL = nreqs;
1539     OUTPUT:
1540     RETVAL
1541    
1542     int
1543 root 1.3 nready ()
1544 root 1.1 PROTOTYPE:
1545     CODE:
1546     RETVAL = get_nready ();
1547     OUTPUT:
1548     RETVAL
1549    
1550     int
1551 root 1.3 npending ()
1552 root 1.1 PROTOTYPE:
1553     CODE:
1554     RETVAL = get_npending ();
1555     OUTPUT:
1556     RETVAL
1557    
1558     int
1559 root 1.3 nthreads ()
1560 root 1.1 PROTOTYPE:
1561     CODE:
1562 root 1.12 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1563 root 1.1 RETVAL = started;
1564 root 1.12 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1565 root 1.1 OUTPUT:
1566     RETVAL
1567    
1568 root 1.53 SV *
1569 root 1.3 set_sync_prepare (SV *cb)
1570     PROTOTYPE: &
1571     CODE:
1572 root 1.53 RETVAL = prepare_cb;
1573 root 1.3 prepare_cb = newSVsv (cb);
1574 root 1.53 OUTPUT:
1575     RETVAL
1576 root 1.3
1577 root 1.14 char *
1578     strerror (int errorno = errno)
1579     PROTOTYPE: ;$
1580     CODE:
1581     RETVAL = db_strerror (errorno);
1582     OUTPUT:
1583     RETVAL
1584 root 1.8
1585 root 1.37 void _on_next_submit (SV *cb)
1586     CODE:
1587     SvREFCNT_dec (on_next_submit);
1588     on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1589    
1590 root 1.2 DB_ENV *
1591 root 1.3 db_env_create (U32 env_flags = 0)
1592 root 1.2 CODE:
1593     {
1594 root 1.3 errno = db_env_create (&RETVAL, env_flags);
1595     if (errno)
1596     croak ("db_env_create: %s", db_strerror (errno));
1597 root 1.14
1598     if (0)
1599     {
1600     RETVAL->set_errcall (RETVAL, debug_errcall);
1601     RETVAL->set_msgcall (RETVAL, debug_msgcall);
1602     }
1603 root 1.2 }
1604 root 1.3 OUTPUT:
1605     RETVAL
1606 root 1.2
1607     void
1608 root 1.41 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1609     PREINIT:
1610     CALLBACK
1611 root 1.2 CODE:
1612     {
1613 root 1.50 dREQ (REQ_ENV_OPEN, 1);
1614 root 1.2 req->env = env;
1615 root 1.3 req->uint1 = open_flags | DB_THREAD;
1616 root 1.2 req->int1 = mode;
1617 root 1.3 req->buf1 = strdup_ornull (db_home);
1618 root 1.2 REQ_SEND;
1619     }
1620    
1621     void
1622 root 1.41 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1623     PREINIT:
1624     CALLBACK
1625 root 1.2 CODE:
1626     {
1627 root 1.56 dREQ (REQ_ENV_CLOSE, 0);
1628 root 1.54 ptr_nuke (ST (0));
1629 root 1.2 req->env = env;
1630     req->uint1 = flags;
1631     REQ_SEND;
1632     }
1633    
1634 root 1.8 void
1635 root 1.41 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1636     PREINIT:
1637     CALLBACK
1638 root 1.8 CODE:
1639     {
1640 root 1.50 dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1641 root 1.8 req->env = env;
1642     req->uint1 = kbyte;
1643     req->int1 = min;
1644     req->uint2 = flags;
1645     REQ_SEND;
1646     }
1647    
1648     void
1649 root 1.41 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1650     PREINIT:
1651     CALLBACK
1652 root 1.8 CODE:
1653     {
1654 root 1.50 dREQ (REQ_ENV_LOCK_DETECT, 1);
1655 root 1.8 req->env = env;
1656     req->uint1 = flags;
1657     req->uint2 = atype;
1658 root 1.41 /* req->int2 = 0; dummy */
1659 root 1.8 REQ_SEND;
1660     }
1661    
1662     void
1663 root 1.41 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1664     PREINIT:
1665     CALLBACK
1666 root 1.8 CODE:
1667     {
1668 root 1.50 dREQ (REQ_ENV_MEMP_SYNC, 1);
1669 root 1.8 req->env = env;
1670     REQ_SEND;
1671     }
1672    
1673     void
1674 root 1.41 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1675     PREINIT:
1676     CALLBACK
1677 root 1.8 CODE:
1678     {
1679 root 1.50 dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1680 root 1.8 req->env = env;
1681     req->int1 = percent;
1682     REQ_SEND;
1683     }
1684    
1685 root 1.39 void
1686 root 1.41 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1687     PREINIT:
1688     CALLBACK
1689 root 1.39 CODE:
1690     {
1691 root 1.50 dREQ (REQ_ENV_DBREMOVE, 2);
1692 root 1.39 req->env = env;
1693     req->buf1 = strdup_ornull (file);
1694     req->buf2 = strdup_ornull (database);
1695     req->uint1 = flags;
1696     REQ_SEND;
1697     }
1698    
1699     void
1700 root 1.41 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)
1701     PREINIT:
1702     CALLBACK
1703 root 1.39 CODE:
1704     {
1705 root 1.50 dREQ (REQ_ENV_DBRENAME, 2);
1706 root 1.39 req->env = env;
1707     req->buf1 = strdup_ornull (file);
1708     req->buf2 = strdup_ornull (database);
1709     req->buf3 = strdup_ornull (newname);
1710     req->uint1 = flags;
1711     REQ_SEND;
1712     }
1713 root 1.8
1714 root 1.63 void
1715     db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
1716     PREINIT:
1717     CALLBACK
1718     CODE:
1719     {
1720     dREQ (REQ_ENV_LOG_ARCHIVE, 1);
1721     req->sv1 = SvREFCNT_inc (listp);
1722     req->env = env;
1723     req->uint1 = flags;
1724     REQ_SEND;
1725     }
1726    
1727 root 1.2 DB *
1728 root 1.3 db_create (DB_ENV *env = 0, U32 flags = 0)
1729 root 1.2 CODE:
1730     {
1731 root 1.3 errno = db_create (&RETVAL, env, flags);
1732     if (errno)
1733 root 1.6 croak ("db_create: %s", db_strerror (errno));
1734 root 1.5
1735     if (RETVAL)
1736     RETVAL->app_private = (void *)newSVsv (ST (0));
1737 root 1.2 }
1738 root 1.3 OUTPUT:
1739     RETVAL
1740 root 1.2
1741     void
1742 root 1.41 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1743     PREINIT:
1744     CALLBACK
1745 root 1.2 CODE:
1746     {
1747 root 1.50 dREQ (REQ_DB_OPEN, 2);
1748 root 1.2 req->db = db;
1749     req->txn = txnid;
1750 root 1.3 req->buf1 = strdup_ornull (file);
1751     req->buf2 = strdup_ornull (database);
1752 root 1.2 req->int1 = type;
1753 root 1.3 req->uint1 = flags | DB_THREAD;
1754 root 1.2 req->int2 = mode;
1755     REQ_SEND;
1756     }
1757    
1758     void
1759 root 1.41 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1760     PREINIT:
1761     CALLBACK
1762 root 1.2 CODE:
1763     {
1764 root 1.56 dREQ (REQ_DB_CLOSE, 0);
1765 root 1.54 ptr_nuke (ST (0));
1766 root 1.2 req->db = db;
1767     req->uint1 = flags;
1768 root 1.5 req->sv1 = (SV *)db->app_private;
1769 root 1.2 REQ_SEND;
1770     }
1771    
1772 root 1.76 #if DBVER >= 404
1773 root 1.47
1774 root 1.3 void
1775 root 1.41 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)
1776     PREINIT:
1777     CALLBACK
1778 root 1.3 CODE:
1779     {
1780 root 1.50 dREQ (REQ_DB_COMPACT, 2);
1781 root 1.3 req->db = db;
1782     req->txn = txn;
1783 root 1.62 if (start) sv_to_dbt (&req->dbt1, start);
1784     if (stop ) sv_to_dbt (&req->dbt2, stop );
1785 root 1.3 req->uint1 = flags;
1786     REQ_SEND;
1787     }
1788    
1789 root 1.47 #endif
1790    
1791 root 1.3 void
1792 root 1.41 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1793     PREINIT:
1794     CALLBACK
1795 root 1.3 CODE:
1796     {
1797 root 1.50 dREQ (REQ_DB_SYNC, 1);
1798 root 1.3 req->db = db;
1799     req->uint1 = flags;
1800     REQ_SEND;
1801     }
1802    
1803     void
1804 root 1.67 db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
1805     PREINIT:
1806     CALLBACK
1807     CODE:
1808     {
1809     dREQ (REQ_DB_VERIFY, 1);
1810     ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
1811     req->db = db;
1812     req->buf1 = strdup (file);
1813     req->buf2 = strdup_ornull (database);
1814     req->uint1 = flags;
1815     REQ_SEND;
1816     }
1817    
1818     void
1819 root 1.41 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1820     PREINIT:
1821     CALLBACK
1822 root 1.26 CODE:
1823     {
1824 root 1.67 dREQ (REQ_DB_UPGRADE, 1);
1825 root 1.26 req->db = db;
1826     req->buf1 = strdup (file);
1827     req->uint1 = flags;
1828     REQ_SEND;
1829     }
1830    
1831     void
1832 root 1.54 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1833 root 1.41 PREINIT:
1834     CALLBACK
1835 root 1.8 CODE:
1836     {
1837 root 1.50 dREQ (REQ_DB_KEY_RANGE, 2);
1838 root 1.8 req->db = db;
1839     req->txn = txn;
1840     sv_to_dbt (&req->dbt1, key);
1841     req->uint1 = flags;
1842     req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1843     REQ_SEND;
1844     }
1845    
1846     void
1847 root 1.41 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1848     PREINIT:
1849     CALLBACK
1850 root 1.3 CODE:
1851     {
1852 root 1.50 dREQ (REQ_DB_PUT, 2);
1853 root 1.3 req->db = db;
1854 root 1.5 req->txn = txn;
1855     sv_to_dbt (&req->dbt1, key);
1856     sv_to_dbt (&req->dbt2, data);
1857 root 1.3 req->uint1 = flags;
1858     REQ_SEND;
1859     }
1860    
1861 root 1.76 #if DBVER >= 406
1862 root 1.46
1863 root 1.5 void
1864 root 1.45 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1865     PREINIT:
1866     CALLBACK
1867     CODE:
1868     {
1869 root 1.50 dREQ (REQ_DB_EXISTS, 2);
1870 root 1.45 req->db = db;
1871     req->txn = txn;
1872     req->uint1 = flags;
1873     sv_to_dbt (&req->dbt1, key);
1874     REQ_SEND;
1875     }
1876    
1877 root 1.46 #endif
1878    
1879 root 1.45 void
1880 root 1.54 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1881 root 1.41 PREINIT:
1882     CALLBACK
1883 root 1.5 CODE:
1884 root 1.28 {
1885 root 1.54 //TODO: key is somtimesmutable
1886 root 1.50 dREQ (REQ_DB_GET, 2);
1887 root 1.5 req->db = db;
1888     req->txn = txn;
1889 root 1.6 req->uint1 = flags;
1890 root 1.5 sv_to_dbt (&req->dbt1, key);
1891     req->dbt3.flags = DB_DBT_MALLOC;
1892 root 1.6 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1893 root 1.5 REQ_SEND;
1894     }
1895    
1896     void
1897 root 1.54 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1898 root 1.41 PREINIT:
1899     CALLBACK
1900 root 1.5 CODE:
1901 root 1.28 {
1902 root 1.54 //TODO: key is somtimesmutable
1903 root 1.50 dREQ (REQ_DB_PGET, 2);
1904 root 1.5 req->db = db;
1905     req->txn = txn;
1906 root 1.6 req->uint1 = flags;
1907 root 1.54
1908 root 1.5 sv_to_dbt (&req->dbt1, key);
1909 root 1.54
1910     req->dbt2.flags = DB_DBT_MALLOC;
1911     req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1912    
1913 root 1.5 req->dbt3.flags = DB_DBT_MALLOC;
1914 root 1.6 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1915     REQ_SEND;
1916     }
1917    
1918     void
1919 root 1.41 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1920     PREINIT:
1921     CALLBACK
1922 root 1.6 CODE:
1923     {
1924 root 1.50 dREQ (REQ_DB_DEL, 2);
1925 root 1.6 req->db = db;
1926     req->txn = txn;
1927 root 1.5 req->uint1 = flags;
1928 root 1.6 sv_to_dbt (&req->dbt1, key);
1929 root 1.5 REQ_SEND;
1930     }
1931    
1932     void
1933 root 1.41 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1934     PREINIT:
1935     CALLBACK
1936 root 1.5 CODE:
1937     {
1938 root 1.56 dREQ (REQ_TXN_COMMIT, 0);
1939 root 1.54 ptr_nuke (ST (0));
1940 root 1.5 req->txn = txn;
1941     req->uint1 = flags;
1942     REQ_SEND;
1943     }
1944    
1945     void
1946 root 1.41 db_txn_abort (DB_TXN *txn, SV *callback = 0)
1947     PREINIT:
1948     CALLBACK
1949 root 1.5 CODE:
1950     {
1951 root 1.56 dREQ (REQ_TXN_ABORT, 0);
1952 root 1.54 ptr_nuke (ST (0));
1953 root 1.5 req->txn = txn;
1954     REQ_SEND;
1955     }
1956    
1957 root 1.6 void
1958 root 1.41 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1959     PREINIT:
1960     CALLBACK
1961 root 1.17 CODE:
1962     {
1963 root 1.56 dREQ (REQ_TXN_FINISH, 0);
1964 root 1.54 ptr_nuke (ST (0));
1965 root 1.17 req->txn = txn;
1966     req->uint1 = flags;
1967     REQ_SEND;
1968     }
1969    
1970     void
1971 root 1.41 db_c_close (DBC *dbc, SV *callback = 0)
1972     PREINIT:
1973     CALLBACK
1974 root 1.6 CODE:
1975     {
1976 root 1.56 dREQ (REQ_C_CLOSE, 0);
1977 root 1.54 ptr_nuke (ST (0));
1978 root 1.6 req->dbc = dbc;
1979     REQ_SEND;
1980     }
1981    
1982     void
1983 root 1.41 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
1984     PREINIT:
1985     CALLBACK
1986 root 1.6 CODE:
1987     {
1988 root 1.50 dREQ (REQ_C_COUNT, 1);
1989 root 1.6 req->dbc = dbc;
1990     req->sv1 = SvREFCNT_inc (count);
1991     REQ_SEND;
1992     }
1993    
1994     void
1995 root 1.41 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1996     PREINIT:
1997     CALLBACK
1998 root 1.6 CODE:
1999     {
2000 root 1.50 dREQ (REQ_C_PUT, 1);
2001 root 1.6 req->dbc = dbc;
2002     sv_to_dbt (&req->dbt1, key);
2003     sv_to_dbt (&req->dbt2, data);
2004     req->uint1 = flags;
2005     REQ_SEND;
2006     }
2007    
2008     void
2009 root 1.54 db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2010 root 1.41 PREINIT:
2011     CALLBACK
2012 root 1.6 CODE:
2013     {
2014 root 1.61 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2015 root 1.54 croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
2016 root 1.59 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2017     croak ("argument \"%s\" must be byte/octet-encoded in %s",
2018     "key",
2019     "BDB::db_c_get");
2020 root 1.54
2021 root 1.57 {
2022     dREQ (REQ_C_GET, 1);
2023     req->dbc = dbc;
2024     req->uint1 = flags;
2025 root 1.61 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2026 root 1.57 sv_to_dbt (&req->dbt1, key);
2027     else
2028     {
2029 root 1.61 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2030 root 1.57 sv_to_dbt (&req->dbt1, key);
2031     else
2032     req->dbt1.flags = DB_DBT_MALLOC;
2033    
2034     req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2035     }
2036    
2037 root 1.61 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2038     || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2039 root 1.57 sv_to_dbt (&req->dbt3, data);
2040     else
2041     req->dbt3.flags = DB_DBT_MALLOC;
2042    
2043     req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2044     REQ_SEND;
2045     }
2046 root 1.6 }
2047    
2048     void
2049 root 1.54 db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
2050 root 1.41 PREINIT:
2051     CALLBACK
2052 root 1.6 CODE:
2053     {
2054 root 1.61 if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
2055 root 1.54 croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
2056 root 1.59 if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
2057     croak ("argument \"%s\" must be byte/octet-encoded in %s",
2058     "key",
2059     "BDB::db_c_pget");
2060 root 1.54
2061 root 1.57 {
2062     dREQ (REQ_C_PGET, 1);
2063     req->dbc = dbc;
2064     req->uint1 = flags;
2065 root 1.61 if ((flags & DB_OPFLAGS_MASK) == DB_SET)
2066 root 1.57 sv_to_dbt (&req->dbt1, key);
2067     else
2068     {
2069 root 1.61 if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
2070 root 1.57 sv_to_dbt (&req->dbt1, key);
2071     else
2072     req->dbt1.flags = DB_DBT_MALLOC;
2073    
2074     req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
2075     }
2076    
2077     req->dbt2.flags = DB_DBT_MALLOC;
2078     req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
2079    
2080 root 1.61 if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
2081     || (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
2082 root 1.57 sv_to_dbt (&req->dbt3, data);
2083     else
2084     req->dbt3.flags = DB_DBT_MALLOC;
2085    
2086     req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
2087     REQ_SEND;
2088     }
2089 root 1.6 }
2090    
2091     void
2092 root 1.41 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
2093     PREINIT:
2094     CALLBACK
2095 root 1.6 CODE:
2096     {
2097 root 1.50 dREQ (REQ_C_DEL, 1);
2098 root 1.6 req->dbc = dbc;
2099     req->uint1 = flags;
2100     REQ_SEND;
2101     }
2102    
2103 root 1.2
2104 root 1.76 #if DBVER >= 403
2105 root 1.47
2106 root 1.8 void
2107 root 1.41 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
2108     PREINIT:
2109     CALLBACK
2110 root 1.8 CODE:
2111     {
2112 root 1.50 dREQ (REQ_SEQ_OPEN, 2);
2113 root 1.8 req->seq = seq;
2114     req->txn = txnid;
2115     req->uint1 = flags | DB_THREAD;
2116     sv_to_dbt (&req->dbt1, key);
2117     REQ_SEND;
2118     }
2119    
2120     void
2121 root 1.41 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
2122     PREINIT:
2123     CALLBACK
2124 root 1.8 CODE:
2125     {
2126 root 1.56 dREQ (REQ_SEQ_CLOSE, 0);
2127 root 1.54 ptr_nuke (ST (0));
2128 root 1.8 req->seq = seq;
2129     req->uint1 = flags;
2130     REQ_SEND;
2131     }
2132    
2133     void
2134 root 1.54 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
2135 root 1.41 PREINIT:
2136     CALLBACK
2137 root 1.8 CODE:
2138     {
2139 root 1.50 dREQ (REQ_SEQ_GET, 2);
2140 root 1.8 req->seq = seq;
2141     req->txn = txnid;
2142     req->int1 = delta;
2143     req->uint1 = flags;
2144     req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
2145     REQ_SEND;
2146     }
2147    
2148     void
2149 root 1.41 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
2150     PREINIT:
2151     CALLBACK
2152 root 1.8 CODE:
2153     {
2154 root 1.50 dREQ (REQ_SEQ_REMOVE, 2);
2155 root 1.8 req->seq = seq;
2156     req->txn = txnid;
2157     req->uint1 = flags;
2158     REQ_SEND;
2159     }
2160    
2161 root 1.47 #endif
2162    
2163 root 1.8
2164 root 1.2 MODULE = BDB PACKAGE = BDB::Env
2165    
2166 root 1.5 void
2167 root 1.30 DESTROY (DB_ENV_ornuked *env)
2168 root 1.5 CODE:
2169     if (env)
2170     env->close (env, 0);
2171    
2172 root 1.8 int set_data_dir (DB_ENV *env, const char *dir)
2173     CODE:
2174     RETVAL = env->set_data_dir (env, dir);
2175     OUTPUT:
2176     RETVAL
2177    
2178     int set_tmp_dir (DB_ENV *env, const char *dir)
2179     CODE:
2180     RETVAL = env->set_tmp_dir (env, dir);
2181     OUTPUT:
2182     RETVAL
2183    
2184     int set_lg_dir (DB_ENV *env, const char *dir)
2185     CODE:
2186     RETVAL = env->set_lg_dir (env, dir);
2187     OUTPUT:
2188     RETVAL
2189    
2190     int set_shm_key (DB_ENV *env, long shm_key)
2191     CODE:
2192     RETVAL = env->set_shm_key (env, shm_key);
2193     OUTPUT:
2194     RETVAL
2195    
2196 root 1.2 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2197 root 1.3 CODE:
2198     RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2199     OUTPUT:
2200     RETVAL
2201 root 1.2
2202 root 1.25 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2203 root 1.3 CODE:
2204     RETVAL = env->set_flags (env, flags, onoff);
2205     OUTPUT:
2206     RETVAL
2207    
2208 root 1.76 #if DBVER >= 407
2209 root 1.39
2210     int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2211     CODE:
2212     RETVAL = env->set_intermediate_dir_mode (env, mode);
2213     OUTPUT:
2214     RETVAL
2215    
2216     int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2217     CODE:
2218     RETVAL = env->log_set_config (env, flags, onoff);
2219     OUTPUT:
2220     RETVAL
2221    
2222     #endif
2223    
2224    
2225 root 1.16 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2226 root 1.14 CODE:
2227     env->set_errfile (env, errfile);
2228    
2229 root 1.16 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2230 root 1.14 CODE:
2231     env->set_msgfile (env, msgfile);
2232    
2233 root 1.25 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2234 root 1.14 CODE:
2235     RETVAL = env->set_verbose (env, which, onoff);
2236     OUTPUT:
2237     RETVAL
2238    
2239 root 1.3 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2240     CODE:
2241     RETVAL = env->set_encrypt (env, password, flags);
2242     OUTPUT:
2243     RETVAL
2244    
2245 root 1.17 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2246 root 1.3 CODE:
2247     RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2248     OUTPUT:
2249     RETVAL
2250 root 1.2
2251 root 1.8 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2252     CODE:
2253     RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2254     OUTPUT:
2255     RETVAL
2256    
2257     int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2258     CODE:
2259     RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2260     OUTPUT:
2261     RETVAL
2262    
2263     int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2264     CODE:
2265     RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2266     OUTPUT:
2267     RETVAL
2268    
2269 root 1.9 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2270 root 1.8 CODE:
2271     RETVAL = env->set_lk_detect (env, detect);
2272     OUTPUT:
2273     RETVAL
2274    
2275     int set_lk_max_lockers (DB_ENV *env, U32 max)
2276     CODE:
2277     RETVAL = env->set_lk_max_lockers (env, max);
2278     OUTPUT:
2279     RETVAL
2280    
2281     int set_lk_max_locks (DB_ENV *env, U32 max)
2282     CODE:
2283     RETVAL = env->set_lk_max_locks (env, max);
2284     OUTPUT:
2285     RETVAL
2286    
2287     int set_lk_max_objects (DB_ENV *env, U32 max)
2288     CODE:
2289     RETVAL = env->set_lk_max_objects (env, max);
2290     OUTPUT:
2291     RETVAL
2292    
2293     int set_lg_bsize (DB_ENV *env, U32 max)
2294     CODE:
2295     RETVAL = env->set_lg_bsize (env, max);
2296     OUTPUT:
2297     RETVAL
2298    
2299     int set_lg_max (DB_ENV *env, U32 max)
2300     CODE:
2301     RETVAL = env->set_lg_max (env, max);
2302     OUTPUT:
2303     RETVAL
2304    
2305 root 1.76 #if DBVER >= 404
2306 root 1.47
2307 root 1.22 int mutex_set_max (DB_ENV *env, U32 max)
2308     CODE:
2309     RETVAL = env->mutex_set_max (env, max);
2310     OUTPUT:
2311     RETVAL
2312    
2313     int mutex_set_increment (DB_ENV *env, U32 increment)
2314     CODE:
2315     RETVAL = env->mutex_set_increment (env, increment);
2316     OUTPUT:
2317     RETVAL
2318    
2319     int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2320     CODE:
2321     RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2322     OUTPUT:
2323     RETVAL
2324    
2325     int mutex_set_align (DB_ENV *env, U32 align)
2326     CODE:
2327     RETVAL = env->mutex_set_align (env, align);
2328     OUTPUT:
2329     RETVAL
2330    
2331 root 1.47 #endif
2332    
2333 root 1.5 DB_TXN *
2334     txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2335     CODE:
2336     errno = env->txn_begin (env, parent, &RETVAL, flags);
2337     if (errno)
2338 root 1.6 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2339 root 1.5 OUTPUT:
2340     RETVAL
2341 root 1.2
2342 root 1.76 #if DBVER >= 405
2343 root 1.46
2344 root 1.44 DB_TXN *
2345     cdsgroup_begin (DB_ENV *env)
2346     CODE:
2347     errno = env->cdsgroup_begin (env, &RETVAL);
2348     if (errno)
2349     croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2350     OUTPUT:
2351     RETVAL
2352    
2353 root 1.46 #endif
2354    
2355 root 1.2 MODULE = BDB PACKAGE = BDB::Db
2356    
2357 root 1.5 void
2358 root 1.30 DESTROY (DB_ornuked *db)
2359 root 1.5 CODE:
2360     if (db)
2361     {
2362     SV *env = (SV *)db->app_private;
2363     db->close (db, 0);
2364     SvREFCNT_dec (env);
2365     }
2366    
2367 root 1.2 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2368 root 1.3 CODE:
2369     RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2370     OUTPUT:
2371     RETVAL
2372 root 1.2
2373 root 1.60 int set_pagesize (DB *db, U32 pagesize)
2374     CODE:
2375     RETVAL = db->set_pagesize (db, pagesize);
2376     OUTPUT:
2377     RETVAL
2378    
2379 root 1.16 int set_flags (DB *db, U32 flags)
2380 root 1.3 CODE:
2381     RETVAL = db->set_flags (db, flags);
2382     OUTPUT:
2383     RETVAL
2384 root 1.2
2385     int set_encrypt (DB *db, const char *password, U32 flags)
2386 root 1.3 CODE:
2387     RETVAL = db->set_encrypt (db, password, flags);
2388     OUTPUT:
2389     RETVAL
2390 root 1.2
2391     int set_lorder (DB *db, int lorder)
2392 root 1.3 CODE:
2393     RETVAL = db->set_lorder (db, lorder);
2394     OUTPUT:
2395     RETVAL
2396 root 1.2
2397     int set_bt_minkey (DB *db, U32 minkey)
2398 root 1.3 CODE:
2399     RETVAL = db->set_bt_minkey (db, minkey);
2400     OUTPUT:
2401     RETVAL
2402 root 1.2
2403 root 1.16 int set_re_delim (DB *db, int delim)
2404 root 1.3 CODE:
2405     RETVAL = db->set_re_delim (db, delim);
2406     OUTPUT:
2407     RETVAL
2408 root 1.2
2409     int set_re_pad (DB *db, int re_pad)
2410 root 1.3 CODE:
2411     RETVAL = db->set_re_pad (db, re_pad);
2412     OUTPUT:
2413     RETVAL
2414 root 1.2
2415     int set_re_source (DB *db, char *source)
2416 root 1.3 CODE:
2417     RETVAL = db->set_re_source (db, source);
2418     OUTPUT:
2419     RETVAL
2420 root 1.2
2421     int set_re_len (DB *db, U32 re_len)
2422 root 1.3 CODE:
2423     RETVAL = db->set_re_len (db, re_len);
2424     OUTPUT:
2425     RETVAL
2426 root 1.2
2427     int set_h_ffactor (DB *db, U32 h_ffactor)
2428 root 1.3 CODE:
2429     RETVAL = db->set_h_ffactor (db, h_ffactor);
2430     OUTPUT:
2431     RETVAL
2432 root 1.2
2433     int set_h_nelem (DB *db, U32 h_nelem)
2434 root 1.3 CODE:
2435     RETVAL = db->set_h_nelem (db, h_nelem);
2436     OUTPUT:
2437     RETVAL
2438 root 1.2
2439     int set_q_extentsize (DB *db, U32 extentsize)
2440 root 1.3 CODE:
2441     RETVAL = db->set_q_extentsize (db, extentsize);
2442     OUTPUT:
2443     RETVAL
2444 root 1.2
2445 root 1.6 DBC *
2446     cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2447     CODE:
2448     errno = db->cursor (db, txn, &RETVAL, flags);
2449     if (errno)
2450     croak ("DB->cursor: %s", db_strerror (errno));
2451     OUTPUT:
2452     RETVAL
2453    
2454 root 1.76 #if DBVER >= 403
2455 root 1.47
2456 root 1.8 DB_SEQUENCE *
2457     sequence (DB *db, U32 flags = 0)
2458     CODE:
2459     {
2460     errno = db_sequence_create (&RETVAL, db, flags);
2461     if (errno)
2462     croak ("db_sequence_create: %s", db_strerror (errno));
2463     }
2464     OUTPUT:
2465     RETVAL
2466    
2467 root 1.47 #endif
2468    
2469 root 1.6
2470 root 1.5 MODULE = BDB PACKAGE = BDB::Txn
2471    
2472     void
2473 root 1.30 DESTROY (DB_TXN_ornuked *txn)
2474 root 1.5 CODE:
2475     if (txn)
2476     txn->abort (txn);
2477    
2478 root 1.17 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2479 root 1.5 CODE:
2480     RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2481     OUTPUT:
2482     RETVAL
2483    
2484 root 1.17 int failed (DB_TXN *txn)
2485     CODE:
2486     RETVAL = !!(txn->flags & TXN_DEADLOCK);
2487     OUTPUT:
2488     RETVAL
2489    
2490 root 1.1
2491 root 1.6 MODULE = BDB PACKAGE = BDB::Cursor
2492    
2493     void
2494 root 1.30 DESTROY (DBC_ornuked *dbc)
2495 root 1.6 CODE:
2496     if (dbc)
2497     dbc->c_close (dbc);
2498    
2499 root 1.76 #if DBVER >= 406
2500 root 1.27
2501     int set_priority (DBC *dbc, int priority)
2502     CODE:
2503     dbc->set_priority (dbc, priority);
2504    
2505     #endif
2506    
2507 root 1.76 #if DBVER >= 403
2508 root 1.47
2509 root 1.8 MODULE = BDB PACKAGE = BDB::Sequence
2510    
2511     void
2512 root 1.30 DESTROY (DB_SEQUENCE_ornuked *seq)
2513 root 1.8 CODE:
2514     if (seq)
2515     seq->close (seq, 0);
2516    
2517     int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2518     CODE:
2519     RETVAL = seq->initial_value (seq, value);
2520     OUTPUT:
2521     RETVAL
2522    
2523     int set_cachesize (DB_SEQUENCE *seq, U32 size)
2524     CODE:
2525     RETVAL = seq->set_cachesize (seq, size);
2526     OUTPUT:
2527     RETVAL
2528    
2529     int set_flags (DB_SEQUENCE *seq, U32 flags)
2530     CODE:
2531     RETVAL = seq->set_flags (seq, flags);
2532     OUTPUT:
2533     RETVAL
2534    
2535     int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2536     CODE:
2537     RETVAL = seq->set_range (seq, min, max);
2538     OUTPUT:
2539     RETVAL
2540    
2541 root 1.47 #endif
2542    
2543 root 1.31