Line data Source code
1 : /*
2 : * SPDX-License-Identifier: MPL-2.0
3 : *
4 : * This Source Code Form is subject to the terms of the Mozilla Public
5 : * License, v. 2.0. If a copy of the MPL was not distributed with this
6 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
7 : *
8 : * Copyright 2024 MonetDB Foundation;
9 : * Copyright August 2008 - 2023 MonetDB B.V.;
10 : * Copyright 1997 - July 2008 CWI.
11 : */
12 :
13 : #include "monetdb_config.h"
14 : #include "gdk.h"
15 : #include "gdk_private.h"
16 : #include "gdk_logger.h"
17 : #include "gdk_logger_internals.h"
18 : #include "mutils.h"
19 : #include <string.h>
20 :
21 : static gdk_return log_add_bat(logger *lg, BAT *b, log_id id, int tid);
22 : static gdk_return log_del_bat(logger *lg, log_bid bid);
23 : /*
24 : * The logger uses a directory to store its log files. One master log
25 : * file stores information about the version of the logger and the
26 : * type mapping it uses. This file is a simple ascii file with the
27 : * following format:
28 : * {6DIGIT-VERSION\n[id,type_name\n]*}
29 : * The transaction log files have a binary format.
30 : */
31 :
32 : #define LOG_START 0
33 : #define LOG_END 1
34 : #define LOG_UPDATE_CONST 2
35 : #define LOG_UPDATE_BULK 3
36 : #define LOG_UPDATE 4
37 : #define LOG_CREATE 5
38 : #define LOG_DESTROY 6
39 : #define LOG_SEQ 7
40 : #define LOG_CLEAR 8 /* DEPRECATED */
41 : #define LOG_BAT_GROUP 9
42 :
43 : #ifdef NATIVE_WIN32
44 : #define getfilepos _ftelli64
45 : #else
46 : #ifdef HAVE_FSEEKO
47 : #define getfilepos ftello
48 : #else
49 : #define getfilepos ftell
50 : #endif
51 : #endif
52 :
53 : #define BATSIZE 0
54 :
55 : #define LOG_DISABLED(lg) ((lg)->debug&128 || (lg)->inmemory || (lg)->flushnow)
56 :
57 : static const char *log_commands[] = {
58 : "LOG_START",
59 : "LOG_END",
60 : "LOG_UPDATE_CONST",
61 : "LOG_UPDATE_BULK",
62 : "LOG_UPDATE",
63 : "LOG_CREATE",
64 : "LOG_DESTROY",
65 : "LOG_SEQ",
66 : "", /* LOG_CLEAR IS DEPRECATED */
67 : "LOG_BAT_GROUP",
68 : };
69 :
70 : typedef struct logaction {
71 : int type; /* type of change */
72 : lng nr;
73 : int tt;
74 : lng id;
75 : lng offset;
76 : log_id cid; /* id of object */
77 : BAT *b; /* temporary bat with changes */
78 : BAT *uid; /* temporary bat with bun positions to update */
79 : } logaction;
80 :
81 : /* during the recover process a number of transactions could be active */
82 : typedef struct trans {
83 : int tid; /* transaction id */
84 : int sz; /* sz of the changes array */
85 : int nr; /* nr of changes */
86 :
87 : logaction *changes;
88 :
89 : struct trans *tr;
90 : } trans;
91 :
92 : typedef struct logformat_t {
93 : bte flag;
94 : int id;
95 : } logformat;
96 :
97 : typedef enum { LOG_OK, LOG_EOF, LOG_ERR } log_return;
98 :
99 : static gdk_return bm_commit(logger *lg, logged_range *pending, uint32_t *updated, BUN maxupdated);
100 : static gdk_return tr_grow(trans *tr);
101 :
102 : #define log_lock(lg) MT_lock_set(&(lg)->lock)
103 : #define log_unlock(lg) MT_lock_unset(&(lg)->lock)
104 :
105 : static inline bte
106 929679 : find_type(logger *lg, int tpe)
107 : {
108 929679 : assert(tpe >= 0 && tpe < MAXATOMS);
109 929679 : return lg->type_id[tpe];
110 : }
111 :
112 : static inline int
113 546740 : find_type_nr(logger *lg, bte tpe)
114 : {
115 546740 : int nr = lg->type_nr[tpe < 0 ? 256 + tpe : tpe];
116 546740 : if (nr == 255)
117 0 : return -1;
118 : return nr;
119 : }
120 :
121 : static BUN
122 420643 : log_find(BAT *b, BAT *d, int val)
123 : {
124 420643 : BUN p;
125 :
126 420643 : assert(b->ttype == TYPE_int);
127 420643 : assert(d->ttype == TYPE_oid);
128 420643 : BATiter bi = bat_iterator(b);
129 420643 : if (BAThash(b) == GDK_SUCCEED) {
130 420643 : MT_rwlock_rdlock(&b->thashlock);
131 706589 : HASHloop_int(bi, b->thash, p, &val) {
132 184156 : oid pos = p;
133 184156 : if (BUNfnd(d, &pos) == BUN_NONE) {
134 184156 : MT_rwlock_rdunlock(&b->thashlock);
135 184156 : bat_iterator_end(&bi);
136 184156 : return p;
137 : }
138 : }
139 236487 : MT_rwlock_rdunlock(&b->thashlock);
140 : } else { /* unlikely: BAThash failed */
141 0 : int *t = (int *) bi.base;
142 :
143 0 : for (p = 0; p < bi.count; p++) {
144 0 : if (t[p] == val) {
145 0 : oid pos = p;
146 0 : if (BUNfnd(d, &pos) == BUN_NONE) {
147 0 : bat_iterator_end(&bi);
148 0 : return p;
149 : }
150 : }
151 : }
152 : }
153 236487 : bat_iterator_end(&bi);
154 236487 : return BUN_NONE;
155 : }
156 :
157 : static log_bid
158 647226 : internal_find_bat(logger *lg, log_id id, int tid)
159 : {
160 647226 : BUN p;
161 :
162 647226 : if (BAThash(lg->catalog_id) == GDK_SUCCEED) {
163 647226 : BATiter cni = bat_iterator(lg->catalog_id);
164 647226 : MT_rwlock_rdlock(&cni.b->thashlock);
165 647226 : if (tid < 0) {
166 387959 : HASHloop_int(cni, cni.b->thash, p, &id) {
167 204089 : oid pos = p;
168 204089 : if (BUNfnd(lg->dcatalog, &pos) == BUN_NONE) {
169 204089 : MT_rwlock_rdunlock(&cni.b->thashlock);
170 204089 : bat_iterator_end(&cni);
171 204089 : return *(log_bid *) Tloc(lg->catalog_bid, p);
172 : }
173 : }
174 : } else {
175 362455 : BUN cp = BUN_NONE;
176 1469734 : HASHloop_int(cni, cni.b->thash, p, &id) {
177 1056104 : lng lid = *(lng *) Tloc(lg->catalog_lid, p);
178 1056104 : if (lid != lng_nil && lid <= tid) {
179 : break;
180 : }
181 : cp = p;
182 : }
183 362455 : if (cp != BUN_NONE) {
184 362207 : MT_rwlock_rdunlock(&cni.b->thashlock);
185 362207 : bat_iterator_end(&cni);
186 362207 : return *(log_bid *) Tloc(lg->catalog_bid, cp);
187 : }
188 : }
189 80930 : MT_rwlock_rdunlock(&cni.b->thashlock);
190 80930 : bat_iterator_end(&cni);
191 80930 : return 0; /* not found */
192 : }
193 : return -1; /* error creating hash */
194 : }
195 :
196 : static inline void
197 14383 : logbat_destroy(BAT *b)
198 : {
199 17966 : BBPreclaim(b);
200 3427 : }
201 :
202 : static BAT *
203 15492 : logbat_new(int tt, BUN size, role_t role)
204 : {
205 15492 : BAT *nb = COLnew(0, tt, size, role);
206 :
207 15492 : if (nb) {
208 15492 : BBP_pid(nb->batCacheid) = 0;
209 15492 : if (role == PERSISTENT) {
210 9724 : BATmode(nb, false);
211 9724 : nb = BATsetaccess(nb, BAT_READ);
212 : }
213 : } else {
214 0 : TRC_CRITICAL(GDK, "creating new BAT[%s]#" BUNFMT " failed\n", ATOMname(tt), size);
215 : }
216 15492 : return nb;
217 : }
218 :
219 : static bool
220 759062 : log_read_format(logger *lg, logformat *data)
221 : {
222 759062 : assert(!lg->inmemory);
223 759062 : if (mnstr_read(lg->input_log, &data->flag, 1, 1) == 1) {
224 746642 : if (mnstr_readInt(lg->input_log, &data->id) == 1)
225 : return true;
226 : /* could only read part, so complain */
227 0 : TRC_CRITICAL(GDK, "read failed\n");
228 : }
229 : return false;
230 : }
231 :
232 : static gdk_return
233 753382 : log_write_format(logger *lg, logformat *data)
234 : {
235 753382 : assert(data->id || data->flag);
236 753382 : assert(!lg->inmemory);
237 753382 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
238 1506764 : if (mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR &&
239 1506764 : mnstr_write(lg->current->output_log, &data->flag, 1, 1) == 1 &&
240 753382 : mnstr_writeInt(lg->current->output_log, data->id))
241 : return GDK_SUCCEED;
242 0 : TRC_CRITICAL(GDK, "write failed\n");
243 0 : return GDK_FAIL;
244 : }
245 :
246 : static log_return
247 2755 : log_read_seq(logger *lg, logformat *l)
248 : {
249 2755 : int seq = l->id;
250 2755 : lng val;
251 2755 : BUN p;
252 :
253 2755 : assert(!lg->inmemory);
254 2755 : if (mnstr_readLng(lg->input_log, &val) != 1) {
255 0 : TRC_CRITICAL(GDK, "read failed\n");
256 0 : return LOG_EOF;
257 : }
258 2755 : if (lg->flushing)
259 : return LOG_OK;
260 :
261 60 : if ((p = log_find(lg->seqs_id, lg->dseqs, seq)) != BUN_NONE &&
262 59 : p >= lg->seqs_id->batInserted) {
263 39 : assert(lg->seqs_val->hseqbase == 0);
264 39 : if (BUNreplace(lg->seqs_val, p, &val, true) != GDK_SUCCEED) {
265 0 : TRC_CRITICAL(GDK, "replace of %s_seqs_val failed\n", lg->fn);
266 0 : return LOG_ERR;
267 : }
268 : } else {
269 20 : if (p != BUN_NONE) {
270 20 : oid pos = p;
271 20 : if (BUNappend(lg->dseqs, &pos, true) != GDK_SUCCEED) {
272 0 : TRC_CRITICAL(GDK, "append to %s_dseqs failed\n", lg->fn);
273 0 : return LOG_ERR;
274 : }
275 : }
276 42 : if (BUNappend(lg->seqs_id, &seq, true) != GDK_SUCCEED ||
277 21 : BUNappend(lg->seqs_val, &val, true) != GDK_SUCCEED) {
278 0 : TRC_CRITICAL(GDK, "append to %s_seqs_val/id failed\n", lg->fn);
279 0 : return LOG_ERR;
280 : }
281 : }
282 : return LOG_OK;
283 : }
284 :
285 : #if 0
286 : static gdk_return
287 : log_write_id(logger *lg, int id)
288 : {
289 : assert(!lg->inmemory);
290 : assert(id >= 0);
291 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
292 : if (mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR &&
293 : mnstr_writeInt(lg->current->output_log, id))
294 : return GDK_SUCCEED;
295 : TRC_CRITICAL(GDK, "write failed\n");
296 : return GDK_FAIL;
297 : }
298 :
299 : static log_return
300 : log_read_id(logger *lg, log_id *id)
301 : {
302 : assert(!lg->inmemory);
303 : if (mnstr_readInt(lg->input_log, id) != 1) {
304 : TRC_CRITICAL(GDK, "read failed\n");
305 : return LOG_EOF;
306 : }
307 : return LOG_OK;
308 : }
309 : #endif
310 :
311 : static log_return
312 19063 : string_reader(logger *lg, BAT *b, lng nr)
313 : {
314 19063 : size_t sz = 0;
315 19063 : lng SZ = 0;
316 19063 : log_return res = LOG_OK;
317 :
318 38209 : while (nr && res == LOG_OK) {
319 19146 : if (mnstr_readLng(lg->input_log, &SZ) != 1) {
320 0 : TRC_CRITICAL(GDK, "read failed\n");
321 0 : return LOG_EOF;
322 : }
323 19146 : sz = (size_t) SZ;
324 19146 : char *buf = lg->rbuf;
325 19146 : if (lg->rbufsize < sz) {
326 2 : if (!(buf = GDKrealloc(lg->rbuf, sz))) {
327 0 : TRC_CRITICAL(GDK, "couldn't grow string buffer\n");
328 0 : return LOG_ERR;
329 : }
330 2 : lg->rbuf = buf;
331 2 : lg->rbufsize = sz;
332 : }
333 :
334 19146 : if (mnstr_read(lg->input_log, buf, sz, 1) != 1) {
335 0 : TRC_CRITICAL(GDK, "read failed\n");
336 0 : return LOG_EOF;
337 : }
338 : /* handle strings */
339 : char *t = buf;
340 : /* chunked */
341 : #define CHUNK_SIZE 1024
342 : char *strings[CHUNK_SIZE];
343 : int cur = 0;
344 :
345 92637 : for (; nr > 0 && res == LOG_OK && t < (buf + sz); nr--) {
346 73491 : strings[cur++] = t;
347 73491 : if (cur == CHUNK_SIZE &&
348 4 : b &&
349 4 : BUNappendmulti(b, strings, cur, true) != GDK_SUCCEED) {
350 0 : TRC_CRITICAL(GDK, "append to string bat failed\n");
351 0 : res = LOG_ERR;
352 : }
353 73491 : if (cur == CHUNK_SIZE)
354 33 : cur = 0;
355 : /* find next */
356 5576510 : while (*t)
357 5503019 : t++;
358 73491 : t++;
359 : }
360 19146 : if (cur &&
361 294 : b &&
362 294 : BUNappendmulti(b, strings, cur, true) != GDK_SUCCEED) {
363 0 : TRC_CRITICAL(GDK, "append to string bat failed\n");
364 0 : res = LOG_ERR;
365 : }
366 : }
367 : return res;
368 : }
369 :
370 :
371 : struct offset {
372 : lng os; /* offset within source BAT in logfile */
373 : lng nr; /* number of values to be copied */
374 : lng od; /* offset within destination BAT in database */
375 : };
376 :
377 : static log_return
378 390431 : log_read_updates(logger *lg, trans *tr, logformat *l, log_id id, BAT **cands)
379 : {
380 390431 : log_return res = LOG_OK;
381 390431 : lng nr, pnr;
382 390431 : bte type_id = -1;
383 390431 : int tpe;
384 :
385 390431 : assert(!lg->inmemory);
386 390431 : TRC_DEBUG(WAL, "found %d %s", id, l->flag == LOG_UPDATE ? "update" : "update_buld");
387 :
388 780862 : if (mnstr_readLng(lg->input_log, &nr) != 1 ||
389 390431 : mnstr_read(lg->input_log, &type_id, 1, 1) != 1) {
390 0 : TRC_CRITICAL(GDK, "read failed\n");
391 0 : return LOG_EOF;
392 : }
393 :
394 390431 : pnr = nr;
395 390431 : tpe = find_type_nr(lg, type_id);
396 390431 : if (tpe >= 0) {
397 390431 : BAT *uid = NULL;
398 390431 : BAT *r = NULL;
399 390431 : void *(*rt)(ptr, size_t *, stream *, size_t) = BATatoms[tpe].atomRead;
400 390431 : lng offset;
401 :
402 390431 : assert(nr <= (lng) BUN_MAX);
403 390431 : if (!lg->flushing && l->flag == LOG_UPDATE) {
404 0 : uid = COLnew(0, TYPE_oid, (BUN) nr, PERSISTENT);
405 0 : if (uid == NULL) {
406 0 : TRC_CRITICAL(GDK, "creating bat failed\n");
407 28269 : return LOG_ERR;
408 : }
409 : }
410 :
411 390431 : if (l->flag == LOG_UPDATE_CONST) {
412 122801 : if (mnstr_readLng(lg->input_log, &offset) != 1) {
413 0 : TRC_CRITICAL(GDK, "read failed\n");
414 0 : return LOG_EOF;
415 : }
416 122801 : if (cands) {
417 : /* This const range actually represents a segment of candidates corresponding to updated bat entries */
418 :
419 28269 : if (BATcount(*cands) == 0 || lg->flushing) {
420 : /* when flushing, we only need the offset and count of the last segment of inserts. */
421 28269 : assert((*cands)->ttype == TYPE_void);
422 28269 : BATtseqbase(*cands, (oid) offset);
423 28269 : BATsetcount(*cands, (BUN) nr);
424 0 : } else if (!lg->flushing) {
425 0 : assert(BATcount(*cands) > 0);
426 0 : BAT *dense = BATdense(0, (oid) offset, (BUN) nr);
427 0 : BAT *newcands = NULL;
428 0 : if (!dense) {
429 0 : TRC_CRITICAL(GDK, "creating bat failed\n");
430 0 : res = LOG_ERR;
431 0 : } else if ((*cands)->ttype == TYPE_void) {
432 0 : if ((newcands = BATmergecand(*cands, dense))) {
433 0 : BBPreclaim(*cands);
434 0 : *cands = newcands;
435 : } else {
436 0 : TRC_CRITICAL(GDK, "creating bat failed\n");
437 0 : res = LOG_ERR;
438 : }
439 : } else {
440 0 : assert((*cands)->ttype == TYPE_oid);
441 0 : assert(BATcount(*cands) > 0);
442 0 : if (BATappend(*cands, dense, NULL, true) != GDK_SUCCEED) {
443 0 : TRC_CRITICAL(GDK, "appending to bat failed\n");
444 0 : res = LOG_ERR;
445 : }
446 : }
447 0 : BBPreclaim(dense);
448 : }
449 :
450 : /* We have to read the value to update the read cursor */
451 28269 : size_t tlen = lg->rbufsize;
452 28269 : void *t = rt(lg->rbuf, &tlen, lg->input_log, 1);
453 28269 : if (t == NULL) {
454 0 : TRC_CRITICAL(GDK, "read failed\n");
455 0 : res = LOG_EOF;
456 : }
457 28269 : return res;
458 : }
459 : }
460 :
461 362162 : if (!lg->flushing) {
462 1258 : r = COLnew(0, tpe, (BUN) nr, PERSISTENT);
463 1258 : if (r == NULL) {
464 0 : if (uid)
465 0 : BBPreclaim(uid);
466 0 : return LOG_ERR;
467 : }
468 : }
469 :
470 362162 : if (l->flag == LOG_UPDATE_CONST) {
471 94532 : size_t tlen = lg->rbufsize;
472 94532 : void *t = rt(lg->rbuf, &tlen, lg->input_log, 1);
473 94532 : if (t == NULL) {
474 0 : TRC_CRITICAL(GDK, "read failed\n");
475 0 : res = LOG_EOF;
476 : } else {
477 94532 : lg->rbuf = t;
478 94532 : lg->rbufsize = tlen;
479 94532 : if (r) {
480 8108 : for (BUN p = 0; p < (BUN) nr; p++) {
481 7864 : if (BUNappend(r, t, true) != GDK_SUCCEED) {
482 0 : TRC_CRITICAL(GDK, "append to bat failed\n");
483 0 : res = LOG_ERR;
484 : }
485 : }
486 : }
487 : }
488 267630 : } else if (l->flag == LOG_UPDATE_BULK) {
489 267612 : if (mnstr_readLng(lg->input_log, &offset) != 1) {
490 0 : if (r)
491 0 : BBPreclaim(r);
492 0 : TRC_CRITICAL(GDK, "read failed\n");
493 0 : return LOG_EOF;
494 : }
495 267612 : if (tpe == TYPE_msk) {
496 0 : if (r) {
497 0 : if (mnstr_readIntArray(lg->input_log, Tloc(r, 0), (size_t) ((nr + 31) / 32)))
498 0 : BATsetcount(r, (BUN) nr);
499 : else {
500 0 : TRC_CRITICAL(GDK, "read failed\n");
501 0 : res = LOG_EOF;
502 : }
503 : } else {
504 0 : size_t tlen = lg->rbufsize / sizeof(int);
505 0 : size_t cnt = 0, snr = (size_t) nr;
506 0 : snr = (snr + 31) / 32;
507 0 : assert(tlen);
508 0 : for (; res == LOG_OK && snr > 0; snr -= cnt) {
509 0 : cnt = snr > tlen ? tlen : snr;
510 0 : if (!mnstr_readIntArray(lg->input_log, lg->rbuf, cnt)) {
511 0 : TRC_CRITICAL(GDK, "read failed\n");
512 0 : res = LOG_EOF;
513 : }
514 : }
515 : }
516 : } else {
517 267612 : if (!ATOMvarsized(tpe)) {
518 247973 : size_t cnt = 0, snr = (size_t) nr;
519 247973 : size_t tlen = lg->rbufsize / ATOMsize(tpe), ntlen = lg->rbufsize;
520 247973 : assert(tlen);
521 : /* read in chunks of max
522 : * BUFSIZE/width rows */
523 508615 : for (; res == LOG_OK && snr > 0; snr -= cnt) {
524 260642 : cnt = snr > tlen ? tlen : snr;
525 260642 : void *t = rt(lg->rbuf, &ntlen, lg->input_log, cnt);
526 :
527 260642 : if (t == NULL) {
528 : res = LOG_EOF;
529 : break;
530 : }
531 260642 : assert(t == lg->rbuf);
532 260642 : if (r && BUNappendmulti(r, t, cnt, true) != GDK_SUCCEED) {
533 0 : TRC_CRITICAL(GDK, "append to bat failed\n");
534 0 : res = LOG_ERR;
535 : }
536 : }
537 19639 : } else if (tpe == TYPE_str) {
538 : /* efficient string */
539 19057 : res = string_reader(lg, r, nr);
540 : } else {
541 1206 : for (; res == LOG_OK && nr > 0; nr--) {
542 624 : size_t tlen = lg->rbufsize;
543 624 : void *t = rt(lg->rbuf, &tlen, lg->input_log, 1);
544 :
545 624 : if (t == NULL) {
546 : /* see if failure was due to
547 : * malloc or something less
548 : * serious (in the current
549 : * context) */
550 0 : if (strstr(GDKerrbuf, "alloc") == NULL)
551 : res = LOG_EOF;
552 : else
553 0 : res = LOG_ERR;
554 0 : TRC_CRITICAL(GDK, "read failed\n");
555 : } else {
556 624 : lg->rbuf = t;
557 624 : lg->rbufsize = tlen;
558 624 : if (r && BUNappend(r, t, true) != GDK_SUCCEED) {
559 0 : TRC_CRITICAL(GDK, "append to bat failed\n");
560 0 : res = LOG_ERR;
561 : }
562 : }
563 : }
564 : }
565 : }
566 : } else {
567 18 : void *(*rh)(ptr, size_t *, stream *, size_t) = BATatoms[TYPE_oid].atomRead;
568 18 : void *hv = ATOMnil(TYPE_oid);
569 18 : offset = 0;
570 :
571 18 : if (hv == NULL) {
572 0 : TRC_CRITICAL(GDK, "read failed\n");
573 0 : res = LOG_EOF;
574 : }
575 1071 : for (; res == LOG_OK && nr > 0; nr--) {
576 1053 : size_t hlen = sizeof(oid);
577 1053 : void *h = rh(hv, &hlen, lg->input_log, 1);
578 1053 : assert(hlen == sizeof(oid));
579 1053 : assert(h == hv);
580 1053 : if ((uid && BUNappend(uid, h, true) != GDK_SUCCEED)) {
581 0 : TRC_CRITICAL(GDK, "append to bat failed\n");
582 0 : res = LOG_ERR;
583 : }
584 : }
585 18 : nr = pnr;
586 18 : if (tpe == TYPE_msk) {
587 0 : if (r) {
588 0 : if (mnstr_readIntArray(lg->input_log, Tloc(r, 0), (size_t) ((nr + 31) / 32)))
589 0 : BATsetcount(r, (BUN) nr);
590 : else {
591 0 : TRC_CRITICAL(GDK, "read failed\n");
592 0 : res = LOG_EOF;
593 : }
594 : } else {
595 0 : for (lng i = 0; i < nr; i += 32) {
596 0 : int v;
597 0 : switch (mnstr_readInt(lg->input_log, &v)) {
598 0 : case 1:
599 0 : continue;
600 : case 0:
601 : res = LOG_EOF;
602 : break;
603 : default:
604 : res = LOG_ERR;
605 : break;
606 : }
607 0 : TRC_CRITICAL(GDK, "read failed\n");
608 0 : break;
609 : }
610 : }
611 18 : } else if (tpe == TYPE_str) {
612 : /* efficient string */
613 6 : res = string_reader(lg, r, nr);
614 : } else {
615 58 : for (; res == LOG_OK && nr > 0; nr--) {
616 46 : size_t tlen = lg->rbufsize;
617 46 : void *t = rt(lg->rbuf, &tlen, lg->input_log, 1);
618 :
619 46 : if (t == NULL) {
620 0 : if (strstr(GDKerrbuf, "malloc") == NULL)
621 : res = LOG_EOF;
622 : else
623 0 : res = LOG_ERR;
624 0 : TRC_CRITICAL(GDK, "read failed\n");
625 : } else {
626 46 : lg->rbuf = t;
627 46 : lg->rbufsize = tlen;
628 46 : if ((r && BUNappend(r, t, true) != GDK_SUCCEED)) {
629 0 : TRC_CRITICAL(GDK, "append to bat failed\n");
630 0 : res = LOG_ERR;
631 : }
632 : }
633 : }
634 : }
635 18 : GDKfree(hv);
636 : }
637 :
638 362162 : if (res == LOG_OK) {
639 362162 : if (tr_grow(tr) == GDK_SUCCEED) {
640 362162 : tr->changes[tr->nr].type = l->flag;
641 362162 : if (l->flag == LOG_UPDATE_BULK && offset == -1) {
642 139220 : assert(cands); /* bat r is part of a group of bats logged together. */
643 139220 : struct canditer ci;
644 139220 : canditer_init(&ci, NULL, *cands);
645 139220 : const oid first = canditer_peek(&ci);
646 139220 : const oid last = canditer_last(&ci);
647 139220 : offset = (lng) first;
648 139220 : pnr = (lng) (last - first) + 1;
649 139220 : if (!lg->flushing) {
650 911 : assert(uid == NULL);
651 911 : uid = *cands;
652 911 : BBPfix((*cands)->batCacheid);
653 911 : tr->changes[tr->nr].type = LOG_UPDATE;
654 : }
655 : }
656 362162 : if (l->flag == LOG_UPDATE_CONST) {
657 94532 : assert(!cands); /* TODO: This might change in the future. */
658 94532 : tr->changes[tr->nr].type = LOG_UPDATE_BULK;
659 : }
660 362162 : tr->changes[tr->nr].nr = pnr;
661 362162 : tr->changes[tr->nr].tt = tpe;
662 362162 : tr->changes[tr->nr].cid = id;
663 362162 : tr->changes[tr->nr].offset = offset;
664 362162 : tr->changes[tr->nr].b = r;
665 362162 : tr->changes[tr->nr].uid = uid;
666 362162 : tr->nr++;
667 : } else {
668 0 : TRC_CRITICAL(GDK, "memory allocation failed\n");
669 0 : res = LOG_ERR;
670 : }
671 : }
672 362162 : if (res != LOG_OK) {
673 0 : if (r)
674 0 : BBPreclaim(r);
675 0 : if (cands && uid)
676 0 : BBPunfix((*cands)->batCacheid);
677 0 : else if (uid)
678 0 : BBPreclaim(uid);
679 : }
680 : } else {
681 : /* bat missing ERROR or ignore ? currently error. */
682 0 : TRC_CRITICAL(GDK, "unknown type\n");
683 0 : res = LOG_ERR;
684 : }
685 : return res;
686 : }
687 :
688 :
689 : static gdk_return
690 575469 : la_bat_update_count(logger *lg, log_id id, lng cnt, int tid)
691 : {
692 575469 : BATiter cni = bat_iterator_nolock(lg->catalog_id);
693 :
694 575469 : if (BAThash(lg->catalog_id) == GDK_SUCCEED) {
695 575469 : MT_rwlock_rdlock(&cni.b->thashlock);
696 575469 : BUN p, cp = BUN_NONE;
697 :
698 2061743 : HASHloop_int(cni, cni.b->thash, p, &id) {
699 1271712 : lng lid = *(lng *) Tloc(lg->catalog_lid, p);
700 :
701 1271712 : if (lid != lng_nil && lid <= tid)
702 : break;
703 : cp = p;
704 : }
705 575469 : if (cp != BUN_NONE) {
706 575269 : lng ocnt = *(lng *) Tloc(lg->catalog_cnt, cp);
707 575269 : assert(lg->catalog_cnt->hseqbase == 0);
708 575269 : if (ocnt < cnt && BUNreplace(lg->catalog_cnt, cp, &cnt, false) != GDK_SUCCEED) {
709 0 : MT_rwlock_rdunlock(&cni.b->thashlock);
710 0 : return GDK_FAIL;
711 : }
712 : }
713 575469 : MT_rwlock_rdunlock(&cni.b->thashlock);
714 575469 : return GDK_SUCCEED;
715 : }
716 : return GDK_FAIL;
717 : }
718 :
719 : static gdk_return
720 362162 : la_bat_updates(logger *lg, logaction *la, int tid)
721 : {
722 362162 : log_bid bid = internal_find_bat(lg, la->cid, tid);
723 362162 : BAT *b = NULL;
724 :
725 362162 : if (bid < 0)
726 : return GDK_FAIL;
727 362162 : if (!bid) {
728 : /* object already gone, nothing needed */
729 : return GDK_SUCCEED;
730 : }
731 :
732 362159 : if (!lg->flushing) {
733 1258 : b = BATdescriptor(bid);
734 1258 : if (b == NULL)
735 : return GDK_FAIL;
736 : }
737 362159 : BUN cnt = 0;
738 362159 : if (la->type == LOG_UPDATE_BULK) {
739 361230 : if (!lg->flushing) {
740 347 : cnt = BATcount(b);
741 347 : int is_msk = (b->ttype == TYPE_msk);
742 : /* handle offset 0 ie clear */
743 347 : if ( /* DISABLES CODE */ (0) && la->offset == 0 && cnt)
744 : BATclear(b, true);
745 : /* handle offset */
746 347 : if (cnt <= (BUN) la->offset) {
747 222 : msk t = 1;
748 222 : if (cnt < (BUN) la->offset) { /* insert nils */
749 0 : const void *tv = (is_msk) ? &t : ATOMnilptr(b->ttype);
750 0 : lng i, d = la->offset - BATcount(b);
751 0 : for (i = 0; i < d; i++) {
752 0 : if (BUNappend(b, tv, true) != GDK_SUCCEED) {
753 0 : logbat_destroy(b);
754 0 : return GDK_FAIL;
755 : }
756 : }
757 : }
758 222 : if (BATcount(b) == (BUN) la->offset && BATappend(b, la->b, NULL, true) != GDK_SUCCEED) {
759 0 : logbat_destroy(b);
760 0 : return GDK_FAIL;
761 : }
762 : } else {
763 125 : BATiter vi = bat_iterator(la->b);
764 125 : BUN p, q;
765 :
766 2159 : for (p = 0, q = (BUN) la->offset; p < (BUN) la->nr; p++, q++) {
767 2153 : const void *t = BUNtail(vi, p);
768 :
769 2034 : if (q < cnt) {
770 2033 : if (b->tnosorted == q)
771 7 : b->tnosorted = 0;
772 2033 : if (b->tnorevsorted == q)
773 7 : b->tnorevsorted = 0;
774 2033 : if (b->tnokey[0] == q ||
775 2026 : b->tnokey[1] == q) {
776 7 : b->tnokey[0] = 0;
777 7 : b->tnokey[1] = 0;
778 : }
779 2033 : b->tkey = false;
780 2033 : b->tsorted = false;
781 2033 : b->tkey = false;
782 2033 : if (BUNreplace(b, q, t, true) != GDK_SUCCEED) {
783 0 : logbat_destroy(b);
784 0 : bat_iterator_end(&vi);
785 0 : return GDK_FAIL;
786 : }
787 : } else {
788 1 : if (BUNappend(b, t, true) != GDK_SUCCEED) {
789 0 : logbat_destroy(b);
790 0 : bat_iterator_end(&vi);
791 0 : return GDK_FAIL;
792 : }
793 : }
794 : }
795 125 : bat_iterator_end(&vi);
796 : }
797 : }
798 929 : } else if (la->type == LOG_UPDATE) {
799 929 : if (!lg->flushing && BATupdate(b, la->uid, la->b, true) != GDK_SUCCEED) {
800 : return GDK_FAIL;
801 : }
802 : }
803 362159 : cnt = (BUN) (la->offset + la->nr);
804 362159 : if (la_bat_update_count(lg, la->cid, cnt, tid) != GDK_SUCCEED) {
805 0 : if (b)
806 0 : logbat_destroy(b);
807 0 : return GDK_FAIL;
808 : }
809 362159 : if (b)
810 1258 : logbat_destroy(b);
811 : return GDK_SUCCEED;
812 : }
813 :
814 : static log_return
815 9311 : log_read_destroy(logger *lg, trans *tr, log_id id)
816 : {
817 9311 : (void) lg;
818 9311 : assert(!lg->inmemory);
819 9311 : if (tr_grow(tr) == GDK_SUCCEED) {
820 9311 : tr->changes[tr->nr].type = LOG_DESTROY;
821 9311 : tr->changes[tr->nr].cid = id;
822 9311 : tr->nr++;
823 9311 : return LOG_OK;
824 : }
825 0 : TRC_CRITICAL(GDK, "memory allocation failed\n");
826 0 : return LOG_ERR;
827 : }
828 :
829 : static gdk_return
830 40 : la_bat_destroy(logger *lg, logaction *la, int tid)
831 : {
832 40 : log_bid bid = internal_find_bat(lg, la->cid, tid);
833 :
834 40 : if (bid < 0)
835 : return GDK_FAIL;
836 40 : if (!bid) {
837 : #ifndef NDEBUG
838 0 : GDKwarning("failed to find bid for object %d\n", la->cid);
839 : #endif
840 0 : return GDK_SUCCEED;
841 : }
842 40 : if (bid && log_del_bat(lg, bid) != GDK_SUCCEED)
843 : return GDK_FAIL;
844 : return GDK_SUCCEED;
845 : }
846 :
847 : static log_return
848 156309 : log_read_create(logger *lg, trans *tr, log_id id)
849 : {
850 156309 : bte tt;
851 156309 : int tpe;
852 :
853 156309 : assert(!lg->inmemory);
854 156309 : TRC_DEBUG(WAL, "create %d", id);
855 :
856 156309 : if (mnstr_read(lg->input_log, &tt, 1, 1) != 1) {
857 0 : TRC_CRITICAL(GDK, "read failed\n");
858 0 : return LOG_EOF;
859 : }
860 :
861 156309 : tpe = find_type_nr(lg, tt);
862 : /* read create */
863 156309 : if (tr_grow(tr) == GDK_SUCCEED) {
864 156309 : tr->changes[tr->nr].type = LOG_CREATE;
865 156309 : tr->changes[tr->nr].tt = tpe;
866 156309 : tr->changes[tr->nr].cid = id;
867 156309 : tr->nr++;
868 156309 : return LOG_OK;
869 : }
870 0 : TRC_CRITICAL(GDK, "memory allocation failed\n");
871 0 : return LOG_ERR;
872 : }
873 :
874 : static gdk_return
875 253 : la_bat_create(logger *lg, logaction *la, int tid)
876 : {
877 253 : BAT *b;
878 :
879 : /* formerly head column type, should be void */
880 253 : if ((b = COLnew(0, la->tt, BATSIZE, PERSISTENT)) == NULL)
881 : return GDK_FAIL;
882 :
883 253 : if (la->tt < 0)
884 0 : BATtseqbase(b, 0);
885 :
886 506 : if ((b = BATsetaccess(b, BAT_READ)) == NULL ||
887 253 : log_add_bat(lg, b, la->cid, tid) != GDK_SUCCEED) {
888 0 : logbat_destroy(b);
889 0 : return GDK_FAIL;
890 : }
891 253 : logbat_destroy(b);
892 253 : return GDK_SUCCEED;
893 : }
894 :
895 : static gdk_return
896 233 : log_write_new_types(logger *lg, FILE *fp)
897 : {
898 233 : bte id = 0;
899 :
900 : /* write types and insert into bats */
901 233 : memset(lg->type_id, -1, sizeof(lg->type_id));
902 233 : memset(lg->type_nr, 255, sizeof(lg->type_nr));
903 : /* first the fixed sized types */
904 7220 : for (int i = 0; i < GDKatomcnt; i++) {
905 6987 : if (ATOMvarsized(i))
906 1862 : continue;
907 5125 : lg->type_id[i] = id;
908 5125 : lg->type_nr[id] = i;
909 5125 : if (fprintf(fp, "%d,%s\n", id, BATatoms[i].name) < 0)
910 : return GDK_FAIL;
911 5125 : id++;
912 : }
913 : /* second the var sized types */
914 : id = -127; /* start after nil */
915 7220 : for (int i = 0; i < GDKatomcnt; i++) {
916 6987 : if (!ATOMvarsized(i))
917 5125 : continue;
918 1862 : lg->type_id[i] = id;
919 1862 : lg->type_nr[256 + id] = i;
920 1862 : if (fprintf(fp, "%d,%s\n", id, BATatoms[i].name) < 0)
921 : return GDK_FAIL;
922 1862 : id++;
923 : }
924 : return GDK_SUCCEED;
925 : }
926 :
927 : #define TR_SIZE 1024
928 :
929 : static trans *
930 56421 : tr_create(trans *tr, int tid)
931 : {
932 56421 : trans *ntr = GDKmalloc(sizeof(trans));
933 :
934 56421 : if (ntr == NULL)
935 : return NULL;
936 56421 : ntr->tid = tid;
937 56421 : ntr->sz = TR_SIZE;
938 56421 : ntr->nr = 0;
939 56421 : ntr->changes = GDKmalloc(sizeof(logaction) * TR_SIZE);
940 56421 : if (ntr->changes == NULL) {
941 0 : GDKfree(ntr);
942 0 : return NULL;
943 : }
944 56421 : ntr->tr = tr;
945 56421 : return ntr;
946 : }
947 :
948 : static gdk_return
949 527782 : la_apply(logger *lg, logaction *c, int tid)
950 : {
951 527782 : gdk_return ret = GDK_SUCCEED;
952 :
953 527782 : switch (c->type) {
954 362162 : case LOG_UPDATE_BULK:
955 : case LOG_UPDATE:
956 362162 : ret = la_bat_updates(lg, c, tid);
957 362162 : break;
958 156309 : case LOG_CREATE:
959 156309 : if (!lg->flushing)
960 253 : ret = la_bat_create(lg, c, tid);
961 : break;
962 9311 : case LOG_DESTROY:
963 9311 : if (!lg->flushing)
964 40 : ret = la_bat_destroy(lg, c, tid);
965 : break;
966 : default:
967 0 : MT_UNREACHABLE();
968 : }
969 527782 : return ret;
970 : }
971 :
972 : static void
973 527782 : la_destroy(logaction *c)
974 : {
975 527782 : if ((c->type == LOG_UPDATE || c->type == LOG_UPDATE_BULK) && c->b)
976 1258 : logbat_destroy(c->b);
977 527782 : if (c->type == LOG_UPDATE && c->uid)
978 911 : logbat_destroy(c->uid);
979 527782 : }
980 :
981 : static gdk_return
982 527782 : tr_grow(trans *tr)
983 : {
984 527782 : if (tr->nr == tr->sz) {
985 8 : logaction *changes;
986 8 : tr->sz <<= 1;
987 8 : changes = GDKrealloc(tr->changes, tr->sz * sizeof(logaction));
988 8 : if (changes == NULL)
989 : return GDK_FAIL;
990 8 : tr->changes = changes;
991 : }
992 : /* cleanup the next */
993 527782 : tr->changes[tr->nr].b = NULL;
994 527782 : return GDK_SUCCEED;
995 : }
996 :
997 : static trans *
998 56421 : tr_destroy(trans *tr)
999 : {
1000 56421 : trans *r = tr->tr;
1001 :
1002 56421 : GDKfree(tr->changes);
1003 56421 : GDKfree(tr);
1004 56421 : return r;
1005 : }
1006 :
1007 : static trans *
1008 0 : tr_abort_(logger *lg, trans *tr, int s)
1009 : {
1010 0 : int i;
1011 :
1012 0 : (void) lg;
1013 :
1014 0 : TRC_DEBUG(WAL, "abort");
1015 :
1016 0 : for (i = s; i < tr->nr; i++)
1017 0 : la_destroy(&tr->changes[i]);
1018 0 : return tr_destroy(tr);
1019 : }
1020 :
1021 : static trans *
1022 0 : tr_abort(logger *lg, trans *tr)
1023 : {
1024 0 : return tr_abort_(lg, tr, 0);
1025 : }
1026 :
1027 : static trans *
1028 56421 : tr_commit(logger *lg, trans *tr)
1029 : {
1030 56421 : int i;
1031 :
1032 56421 : TRC_DEBUG(WAL, "commit");
1033 :
1034 584203 : for (i = 0; i < tr->nr; i++) {
1035 527782 : if (la_apply(lg, &tr->changes[i], tr->tid) != GDK_SUCCEED) {
1036 0 : TRC_CRITICAL(GDK, "aborting transaction\n");
1037 0 : do {
1038 0 : tr = tr_abort_(lg, tr, i);
1039 0 : } while (tr != NULL);
1040 : return (trans *) -1;
1041 : }
1042 527782 : la_destroy(&tr->changes[i]);
1043 : }
1044 56421 : lg->saved_tid = tr->tid;
1045 56421 : return tr_destroy(tr);
1046 : }
1047 :
1048 : static gdk_return
1049 102 : log_read_types_file(logger *lg, FILE *fp, int version)
1050 : {
1051 102 : int id = 0;
1052 102 : char atom_name[IDLENGTH];
1053 102 : bool seen_geom = false;
1054 :
1055 : /* scanf should use IDLENGTH somehow */
1056 3128 : while (fscanf(fp, "%d,%63s\n", &id, atom_name) == 2) {
1057 3026 : if (version < 52303 && strcmp(atom_name, "BAT") == 0)
1058 8 : continue;
1059 3018 : int i = ATOMindex(atom_name);
1060 :
1061 3018 : if (id < -127 || id > 127 || i < 0) {
1062 0 : GDKerror("unknown type in log file '%s'\n", atom_name);
1063 0 : return GDK_FAIL;
1064 : }
1065 3018 : seen_geom |= strcmp(atom_name, "mbr") == 0 || strcmp(atom_name, "wkb") == 0;
1066 3018 : lg->type_id[i] = (int8_t) id;
1067 3018 : lg->type_nr[id < 0 ? 256 + id : id] = i;
1068 : }
1069 : #ifdef HAVE_GEOM
1070 102 : if (!seen_geom && ATOMindex("mbr") > 0) {
1071 0 : GDKerror("incompatible database: server supports GEOM, but database does not\n");
1072 0 : return GDK_FAIL;
1073 : }
1074 : #endif
1075 : (void) seen_geom;
1076 : return GDK_SUCCEED;
1077 : }
1078 :
1079 :
1080 : gdk_return
1081 233 : log_create_types_file(logger *lg, const char *filename)
1082 : {
1083 233 : FILE *fp;
1084 :
1085 233 : if ((fp = MT_fopen(filename, "w")) == NULL) {
1086 0 : GDKerror("cannot create log file %s\n", filename);
1087 0 : return GDK_FAIL;
1088 : }
1089 233 : if (fprintf(fp, "%06d\n\n", lg->version) < 0) {
1090 0 : fclose(fp);
1091 0 : GDKerror("writing log file %s failed", filename);
1092 0 : if (MT_remove(filename) < 0)
1093 0 : GDKsyserror("remove %s failed\n", filename);
1094 0 : return GDK_FAIL;
1095 : }
1096 :
1097 233 : if (log_write_new_types(lg, fp) != GDK_SUCCEED) {
1098 0 : fclose(fp);
1099 0 : GDKerror("writing log file %s failed", filename);
1100 0 : if (MT_remove(filename) < 0)
1101 0 : GDKsyserror("remove %s failed\n", filename);
1102 0 : return GDK_FAIL;
1103 : }
1104 233 : if (fflush(fp) < 0 || (!(ATOMIC_GET(&GDKdebug) & NOSYNCMASK)
1105 : #if defined(_MSC_VER)
1106 : && _commit(_fileno(fp)) < 0
1107 : #elif defined(HAVE_FDATASYNC)
1108 0 : && fdatasync(fileno(fp)) < 0
1109 : #elif defined(HAVE_FSYNC)
1110 : && fsync(fileno(fp)) < 0
1111 : #endif
1112 : )) {
1113 0 : GDKsyserror("flushing log file %s failed", filename);
1114 0 : fclose(fp);
1115 0 : if (MT_remove(filename) < 0)
1116 0 : GDKsyserror("remove %s failed\n", filename);
1117 0 : return GDK_FAIL;
1118 : }
1119 233 : if (fclose(fp) < 0) {
1120 0 : GDKsyserror("closing log file %s failed", filename);
1121 0 : if (MT_remove(filename) < 0)
1122 0 : GDKsyserror("remove %s failed\n", filename);
1123 0 : return GDK_FAIL;
1124 : }
1125 : return GDK_SUCCEED;
1126 : }
1127 :
1128 : #define rotation_lock(lg) MT_lock_set(&(lg)->rotation_lock)
1129 : #define rotation_unlock(lg) MT_lock_unset(&(lg)->rotation_lock)
1130 : #define rotation_trylock(lg, ms) MT_lock_trytime(&(lg)->rotation_lock, ms)
1131 :
1132 : static gdk_return
1133 12670 : log_open_output(logger *lg)
1134 : {
1135 12670 : logged_range *new_range = (logged_range *) GDKmalloc(sizeof(logged_range));
1136 :
1137 12670 : if (!new_range) {
1138 0 : TRC_CRITICAL(GDK, "allocation failure\n");
1139 0 : return GDK_FAIL;
1140 : }
1141 25339 : if (!LOG_DISABLED(lg)) {
1142 12669 : char id[32];
1143 12669 : char *filename;
1144 :
1145 12669 : if (snprintf(id, sizeof(id), LLFMT, lg->id) >= (int) sizeof(id)) {
1146 0 : TRC_CRITICAL(GDK, "filename is too large\n");
1147 0 : GDKfree(new_range);
1148 0 : return GDK_FAIL;
1149 : }
1150 12669 : if ((filename = GDKfilepath(BBPselectfarm(PERSISTENT, 0, offheap), lg->dir, LOGFILE, id)) == NULL) {
1151 0 : TRC_CRITICAL(GDK, "allocation failure\n");
1152 0 : GDKfree(new_range);
1153 0 : return GDK_FAIL;
1154 : }
1155 :
1156 12669 : TRC_INFO(WAL, "opening %s.%s", LOGFILE, id);
1157 12669 : new_range->output_log = open_wstream(filename);
1158 12669 : if (new_range->output_log) {
1159 12669 : short byteorder = 1234;
1160 12669 : mnstr_write(new_range->output_log, &byteorder, sizeof(byteorder), 1);
1161 : }
1162 :
1163 12669 : if (new_range->output_log == NULL || mnstr_errnr(new_range->output_log) != MNSTR_NO__ERROR) {
1164 0 : TRC_CRITICAL(GDK, "creating %s failed: %s\n", filename, mnstr_peek_error(NULL));
1165 0 : close_stream(new_range->output_log);
1166 0 : GDKfree(new_range);
1167 0 : GDKfree(filename);
1168 0 : return GDK_FAIL;
1169 : }
1170 12669 : GDKfree(filename);
1171 : } else {
1172 1 : new_range->output_log = NULL;
1173 : }
1174 12670 : ATOMIC_INIT(&new_range->refcount, 1);
1175 12670 : ATOMIC_INIT(&new_range->last_ts, 0);
1176 12670 : ATOMIC_INIT(&new_range->flushed_ts, 0);
1177 12670 : ATOMIC_INIT(&new_range->drops, 0);
1178 12670 : new_range->id = lg->id;
1179 12670 : new_range->next = NULL;
1180 12670 : logged_range *current = lg->current;
1181 12670 : assert(current && current->next == NULL);
1182 12670 : new_range->cnt = current->cnt;
1183 12670 : current->next = new_range;
1184 12670 : lg->file_age = GDKusec();
1185 12670 : return GDK_SUCCEED;
1186 : }
1187 :
1188 : static inline void
1189 12854 : log_close_input(logger *lg)
1190 : {
1191 12854 : if (!lg->inmemory && lg->input_log) {
1192 12425 : TRC_INFO(WAL, "closing input log %s", mnstr_name(lg->input_log));
1193 12425 : close_stream(lg->input_log);
1194 : }
1195 12854 : lg->input_log = NULL;
1196 12854 : }
1197 :
1198 : static inline void
1199 327 : log_close_output(logger *lg)
1200 : {
1201 327 : if (!LOG_DISABLED(lg) && lg->current->output_log) {
1202 326 : TRC_INFO(WAL, "closing output log %s", mnstr_name(lg->current->output_log));
1203 326 : close_stream(lg->current->output_log);
1204 : }
1205 327 : lg->current->output_log = NULL;
1206 327 : }
1207 :
1208 : static gdk_return
1209 12527 : log_open_input(logger *lg, const char *filename, bool *filemissing)
1210 : {
1211 12527 : TRC_INFO(WAL, "opening input log %s", filename);
1212 12527 : lg->input_log = open_rstream(filename);
1213 :
1214 : /* if the file doesn't exist, there is nothing to be read back */
1215 12527 : if (lg->input_log == NULL || mnstr_errnr(lg->input_log) != MNSTR_NO__ERROR) {
1216 102 : log_close_input(lg);
1217 102 : *filemissing = true;
1218 102 : return GDK_SUCCEED;
1219 : }
1220 12425 : short byteorder;
1221 12425 : switch (mnstr_read(lg->input_log, &byteorder, sizeof(byteorder), 1)) {
1222 0 : case -1:
1223 0 : log_close_input(lg);
1224 0 : TRC_CRITICAL(GDK, "read failed\n");
1225 0 : return GDK_FAIL;
1226 5 : case 0:
1227 : /* empty file is ok */
1228 5 : log_close_input(lg);
1229 5 : return GDK_SUCCEED;
1230 12420 : case 1:
1231 : /* if not empty, must start with correct byte order mark */
1232 12420 : if (byteorder != 1234) {
1233 0 : TRC_CRITICAL(GDK, "incorrect byte order word in file %s\n", filename);
1234 0 : log_close_input(lg);
1235 0 : return GDK_FAIL;
1236 : }
1237 : break;
1238 : }
1239 : return GDK_SUCCEED;
1240 : }
1241 :
1242 : static log_return
1243 12420 : log_read_transaction(logger *lg, uint32_t *updated, BUN maxupdated)
1244 : {
1245 12420 : logformat l;
1246 12420 : trans *tr = NULL;
1247 12420 : log_return err = LOG_OK;
1248 12420 : bool ok = true;
1249 12420 : ATOMIC_BASE_TYPE dbg = ATOMIC_GET(&GDKdebug);
1250 :
1251 12420 : (void) maxupdated; /* only used inside assert() */
1252 :
1253 12420 : if (!lg->flushing)
1254 158 : ATOMIC_AND(&GDKdebug, ~CHECKMASK);
1255 :
1256 12420 : BAT *cands = NULL; /* used in case of LOG_BAT_GROUP */
1257 :
1258 759062 : while (err == LOG_OK && (ok = log_read_format(lg, &l))) {
1259 746642 : if (l.flag == 0 && l.id == 0) {
1260 12420 : err = LOG_EOF;
1261 : break;
1262 : }
1263 :
1264 746642 : TRC_DEBUG_IF(WAL) {
1265 0 : if (l.flag > 0 && l.flag != LOG_CLEAR &&
1266 : l.flag < (bte) (sizeof(log_commands) / sizeof(log_commands[0])))
1267 0 : TRC_DEBUG_ENDIF(WAL, "%s %d", log_commands[(int) l.flag], l.id);
1268 : else
1269 0 : TRC_DEBUG_ENDIF(WAL, "%d %d", l.flag, l.id);
1270 : }
1271 746642 : switch (l.flag) {
1272 556051 : case LOG_UPDATE_CONST:
1273 : case LOG_UPDATE_BULK:
1274 : case LOG_UPDATE:
1275 : case LOG_CREATE:
1276 : case LOG_DESTROY:
1277 556051 : if (tr != NULL && updated && BAThash(lg->catalog_id) == GDK_SUCCEED) {
1278 554343 : BATiter cni = bat_iterator(lg->catalog_id);
1279 554343 : BUN p;
1280 554343 : BUN posnew = BUN_NONE;
1281 554343 : BUN posold = BUN_NONE;
1282 554343 : MT_rwlock_rdlock(&cni.b->thashlock);
1283 3891547 : HASHloop_int(cni, cni.b->thash, p, &l.id) {
1284 3001694 : lng lid = *(lng *) Tloc(lg->catalog_lid, p);
1285 3001694 : if (lid == lng_nil || lid > tr->tid)
1286 : posnew = p;
1287 1373414 : else if (lid == tr->tid)
1288 3304112 : posold = p;
1289 : }
1290 554343 : MT_rwlock_rdunlock(&cni.b->thashlock);
1291 554343 : bat_iterator_end(&cni);
1292 : /* Normally at this point, posnew is the
1293 : * location of the bat that this
1294 : * transaction is working on, and posold
1295 : * is the location of the previous
1296 : * version of the bat. If LOG_CREATE,
1297 : * both are relevant, since the latter
1298 : * is the new bat, and the former is the
1299 : * to-be-destroyed bat. For
1300 : * LOG_DESTROY, only posnew should be
1301 : * relevant, but for the other types, if
1302 : * the table is destroyed later in the
1303 : * same transaction, we need posold, and
1304 : * else (the normal case) we need
1305 : * posnew. */
1306 554343 : if (posnew != BUN_NONE) {
1307 545068 : assert(posnew < maxupdated);
1308 545068 : updated[posnew / 32] |= 1U << (posnew % 32);
1309 : }
1310 554343 : if ((l.flag == LOG_CREATE || posnew == BUN_NONE) && posold != BUN_NONE) {
1311 161553 : assert(posold < maxupdated);
1312 161553 : updated[posold / 32] |= 1U << (posold % 32);
1313 : }
1314 : }
1315 : break;
1316 : default:
1317 : /* do nothing */
1318 : break;
1319 : }
1320 : /* the functions we call here can succeed (LOG_OK),
1321 : * but they can also fail for two different reasons:
1322 : * they can run out of input (LOG_EOF -- this is not
1323 : * serious, we just abort the remaining transactions),
1324 : * or some malloc or BAT update fails (LOG_ERR -- this
1325 : * is serious, we must abort the complete process);
1326 : * the latter failure causes the current function to
1327 : * return GDK_FAIL */
1328 746642 : switch (l.flag) {
1329 56421 : case LOG_START:
1330 56421 : assert(!lg->flushing || l.id <= lg->tid);
1331 56421 : if (!lg->flushing && l.id > lg->tid)
1332 109 : lg->tid = l.id; /* should only happen during initialization */
1333 56421 : if ((tr = tr_create(tr, l.id)) == NULL) {
1334 0 : TRC_CRITICAL(GDK, "memory allocation failed\n");
1335 0 : err = LOG_ERR;
1336 0 : break;
1337 : }
1338 56421 : TRC_DEBUG(WAL, "tstart %d\n", tr->tid);
1339 : break;
1340 56421 : case LOG_END:
1341 56421 : if (tr == NULL)
1342 : err = LOG_EOF;
1343 56421 : else if (tr->tid != l.id) /* abort record */
1344 0 : tr = tr_abort(lg, tr);
1345 : else
1346 56421 : tr = tr_commit(lg, tr);
1347 : break;
1348 2755 : case LOG_SEQ:
1349 2755 : err = log_read_seq(lg, &l);
1350 2755 : break;
1351 390431 : case LOG_UPDATE_CONST:
1352 : case LOG_UPDATE_BULK:
1353 : case LOG_UPDATE:
1354 390431 : if (tr == NULL)
1355 : err = LOG_EOF;
1356 : else {
1357 613358 : err = log_read_updates(lg, tr, &l, l.id, cands ? &cands : NULL);
1358 : }
1359 : break;
1360 156309 : case LOG_CREATE:
1361 156309 : if (tr == NULL)
1362 : err = LOG_EOF;
1363 : else
1364 156309 : err = log_read_create(lg, tr, l.id);
1365 : break;
1366 9311 : case LOG_DESTROY:
1367 9311 : if (tr == NULL)
1368 : err = LOG_EOF;
1369 : else
1370 9311 : err = log_read_destroy(lg, tr, l.id);
1371 : break;
1372 74994 : case LOG_BAT_GROUP:
1373 74994 : if (tr == NULL)
1374 : err = LOG_EOF;
1375 : else {
1376 74994 : if (l.id > 0) {
1377 : /* START OF LOG_BAT_GROUP */
1378 37497 : cands = COLnew(0, TYPE_void, 0, SYSTRANS);
1379 37497 : if (!cands) {
1380 0 : TRC_CRITICAL(GDK, "creating bat failed\n");
1381 0 : err = LOG_ERR;
1382 : }
1383 37497 : } else if (cands == NULL) {
1384 : /* should have gone through the
1385 : * above option earlier */
1386 0 : TRC_CRITICAL(GDK, "unexpected error\n");
1387 0 : err = LOG_ERR;
1388 : } else {
1389 : /* END OF LOG_BAT_GROUP */
1390 37497 : BBPunfix(cands->batCacheid);
1391 37497 : cands = NULL;
1392 : }
1393 : }
1394 : break;
1395 0 : default:
1396 0 : TRC_CRITICAL(GDK, "unrecognized log entry %d", l.flag);
1397 0 : err = LOG_ERR;
1398 : }
1399 746642 : if (tr == (trans *) -1) {
1400 : /* message already generated by tr_commit */
1401 : err = LOG_ERR;
1402 12420 : tr = NULL;
1403 : break;
1404 : }
1405 : }
1406 12420 : while (tr) {
1407 0 : TRC_WARNING(GDK, "aborting transaction\n");
1408 0 : tr = tr_abort(lg, tr);
1409 : }
1410 12420 : if (!lg->flushing)
1411 158 : ATOMIC_SET(&GDKdebug, dbg);
1412 :
1413 12420 : BBPreclaim(cands);
1414 12420 : if (!ok)
1415 12420 : return LOG_EOF;
1416 : return err;
1417 : }
1418 :
1419 : static gdk_return
1420 265 : log_readlog(logger *lg, const char *filename, bool *filemissing)
1421 : {
1422 265 : log_return err = LOG_OK;
1423 265 : time_t t0, t1;
1424 265 : struct stat sb;
1425 :
1426 265 : assert(!lg->inmemory);
1427 :
1428 265 : TRC_INFO(WAL, "opening %s\n", filename);
1429 :
1430 265 : gdk_return res = log_open_input(lg, filename, filemissing);
1431 265 : if (!lg->input_log || res != GDK_SUCCEED)
1432 : return res;
1433 158 : int fd;
1434 158 : if ((fd = getFileNo(lg->input_log)) < 0 || fstat(fd, &sb) < 0) {
1435 0 : GDKsyserror("fstat on opened file %s failed\n", filename);
1436 0 : log_close_input(lg);
1437 : /* If the file could be opened, but fstat fails,
1438 : * something weird is going on */
1439 0 : return GDK_FAIL;
1440 : }
1441 158 : t0 = time(NULL);
1442 158 : TRC_INFO_IF(WAL) {
1443 0 : TRC_INFO_ENDIF(WAL, "Start reading the write-ahead log '%s'\n", filename);
1444 0 : GDKtracer_flush_buffer();
1445 : }
1446 316 : while (err != LOG_EOF && err != LOG_ERR) {
1447 158 : t1 = time(NULL);
1448 158 : if (t1 - t0 > 10) {
1449 0 : lng fpos;
1450 0 : t0 = t1;
1451 : /* not more than once every 10 seconds */
1452 0 : fpos = (lng) getfilepos(getFile(lg->input_log));
1453 0 : TRC_INFO_IF(WAL) {
1454 0 : if (fpos >= 0) {
1455 0 : TRC_INFO_ENDIF(WAL, "still reading write-ahead log \"%s\" (%d%% done)\n",
1456 : filename, (int) ((fpos * 100 + 50) / sb.st_size));
1457 0 : GDKtracer_flush_buffer();
1458 : }
1459 : }
1460 : }
1461 158 : err = log_read_transaction(lg, NULL, 0);
1462 : }
1463 158 : log_close_input(lg);
1464 158 : lg->input_log = NULL;
1465 :
1466 : /* remaining transactions are not committed, ie abort */
1467 158 : TRC_INFO_IF(WAL) {
1468 0 : TRC_INFO_ENDIF(WAL, "Finished reading the write-ahead log '%s'\n", filename);
1469 0 : GDKtracer_flush_buffer();
1470 : }
1471 : /* we cannot distinguish errors from incomplete transactions
1472 : * (even if we would log aborts in the logs). So we simply
1473 : * abort and move to the next log file */
1474 158 : return err == LOG_ERR ? GDK_FAIL : GDK_SUCCEED;
1475 : }
1476 :
1477 : /*
1478 : * The log files are incrementally numbered, starting from 2. They are
1479 : * processed in the same sequence.
1480 : */
1481 : static gdk_return
1482 102 : log_readlogs(logger *lg, const char *filename)
1483 : {
1484 102 : gdk_return res = GDK_SUCCEED;
1485 :
1486 102 : assert(!lg->inmemory);
1487 102 : TRC_DEBUG(WAL, "logger id is " LLFMT " last logger id is " LLFMT "\n", lg->id, lg->saved_id);
1488 :
1489 102 : char log_filename[FILENAME_MAX];
1490 102 : if (lg->saved_id >= lg->id) {
1491 102 : bool filemissing = false;
1492 :
1493 102 : lg->id = lg->saved_id + 1;
1494 367 : while (res == GDK_SUCCEED && !filemissing) {
1495 265 : if (snprintf(log_filename, sizeof(log_filename), "%s." LLFMT, filename, lg->id) >= FILENAME_MAX) {
1496 0 : GDKerror("Logger filename path is too large\n");
1497 0 : return GDK_FAIL;
1498 : }
1499 265 : res = log_readlog(lg, log_filename, &filemissing);
1500 265 : if (!filemissing) {
1501 163 : lg->saved_id++;
1502 163 : lg->id++;
1503 : }
1504 : }
1505 : }
1506 : return res;
1507 : }
1508 :
1509 : static gdk_return
1510 12401 : log_commit(logger *lg, logged_range *pending, uint32_t *updated, BUN maxupdated)
1511 : {
1512 12401 : TRC_DEBUG(WAL, "commit");
1513 :
1514 12401 : return bm_commit(lg, pending, updated, maxupdated);
1515 : }
1516 :
1517 : static gdk_return
1518 102 : check_version(logger *lg, FILE *fp, bool *needsnew)
1519 : {
1520 102 : int version = 0;
1521 :
1522 102 : assert(!lg->inmemory);
1523 102 : if (fscanf(fp, "%6d", &version) != 1) {
1524 0 : GDKerror("Could not read the version number from the file '%s/log'.\n", lg->dir);
1525 0 : fclose(fp);
1526 0 : return GDK_FAIL;
1527 : }
1528 102 : if (version != lg->version) {
1529 16 : if (lg->prefuncp == NULL ||
1530 8 : (*lg->prefuncp) (lg->funcdata, version, lg->version) != GDK_SUCCEED) {
1531 0 : GDKerror("Incompatible database version %06d, "
1532 : "this server supports version %06d.\n%s",
1533 : version, lg->version,
1534 : version < lg->version ? "Maybe you need to upgrade to an intermediate release first.\n" : "");
1535 0 : fclose(fp);
1536 0 : return GDK_FAIL;
1537 : }
1538 8 : *needsnew = true; /* we need to write a new log file */
1539 : } else {
1540 94 : lg->postfuncp = NULL; /* don't call */
1541 94 : *needsnew = false; /* log file already up-to-date */
1542 : }
1543 204 : if (fgetc(fp) != '\n' || /* skip \n */
1544 102 : fgetc(fp) != '\n') { /* skip \n */
1545 0 : GDKerror("Badly formatted log file");
1546 0 : fclose(fp);
1547 0 : return GDK_FAIL;
1548 : }
1549 102 : if (log_read_types_file(lg, fp, version) != GDK_SUCCEED) {
1550 0 : fclose(fp);
1551 0 : return GDK_FAIL;
1552 : }
1553 102 : fclose(fp);
1554 102 : return GDK_SUCCEED;
1555 : }
1556 :
1557 : static BAT *
1558 350 : bm_tids(BAT *b, BAT *d)
1559 : {
1560 350 : BUN sz = BATcount(b);
1561 350 : BAT *tids = BATdense(0, 0, sz);
1562 :
1563 350 : if (tids == NULL)
1564 : return NULL;
1565 :
1566 350 : if (BATcount(d)) {
1567 350 : BAT *diff = BATdiff(tids, d, NULL, NULL, false, false, BUN_NONE);
1568 350 : logbat_destroy(tids);
1569 350 : tids = diff;
1570 : }
1571 : return tids;
1572 : }
1573 :
1574 :
1575 : static gdk_return
1576 8368 : log_switch_bat(BAT *old, BAT *new, const char *fn, const char *name)
1577 : {
1578 8368 : char bak[IDLENGTH];
1579 :
1580 8368 : if (BATmode(old, true) != GDK_SUCCEED) {
1581 0 : GDKerror("cannot convert old %s to transient", name);
1582 0 : return GDK_FAIL;
1583 : }
1584 8368 : if (strconcat_len(bak, sizeof(bak), fn, "_", name, NULL) >= sizeof(bak)) {
1585 0 : GDKerror("name %s_%s too long\n", fn, name);
1586 0 : return GDK_FAIL;
1587 : }
1588 8368 : if (BBPrename(old, NULL) != 0 || BBPrename(new, bak) != 0) {
1589 0 : GDKerror("rename (%s) failed\n", bak);
1590 0 : return GDK_FAIL;
1591 : }
1592 8368 : BBPretain(new->batCacheid);
1593 8368 : return GDK_SUCCEED;
1594 : }
1595 :
1596 : static gdk_return
1597 328 : bm_get_counts(logger *lg)
1598 : {
1599 328 : BUN p, q;
1600 328 : const log_bid *bids = (const log_bid *) Tloc(lg->catalog_bid, 0);
1601 :
1602 26845 : BATloop(lg->catalog_bid, p, q) {
1603 26517 : oid pos = p;
1604 26517 : lng cnt = 0;
1605 26517 : lng lid = lng_nil;
1606 :
1607 26517 : if (BUNfnd(lg->dcatalog, &pos) == BUN_NONE) {
1608 26517 : BAT *b = BBPquickdesc(bids[p]);
1609 26517 : assert(b);
1610 26517 : cnt = BATcount(b);
1611 : } else {
1612 0 : lid = BBP_desc(bids[p])->batCacheid != 0 && log_find(lg->catalog_bid, lg->dcatalog, bids[p]) == BUN_NONE ? 1 : -1;
1613 : }
1614 26517 : if (BUNappend(lg->catalog_cnt, &cnt, false) != GDK_SUCCEED)
1615 0 : return GDK_FAIL;
1616 26517 : if (BUNappend(lg->catalog_lid, &lid, false) != GDK_SUCCEED)
1617 : return GDK_FAIL;
1618 : }
1619 : return GDK_SUCCEED;
1620 : }
1621 :
1622 : static int
1623 8368 : subcommit_list_add(int next, bat *n, BUN *sizes, bat bid, BUN sz)
1624 : {
1625 8368 : assert(sz <= BBP_desc(bid)->batCount || sz == BUN_NONE);
1626 1898924 : for (int i = 0; i < next; i++) {
1627 1890556 : if (n[i] == bid) {
1628 0 : sizes[i] = sz;
1629 0 : return next;
1630 : }
1631 : }
1632 8368 : n[next] = bid;
1633 8368 : sizes[next++] = sz;
1634 8368 : return next;
1635 : }
1636 :
1637 : static int
1638 2556 : cleanup_and_swap(logger *lg, int *r, const log_bid *bids, lng *lids, lng *cnts,
1639 : BAT *catalog_bid, BAT *catalog_id, BAT *dcatalog, BUN cleanup)
1640 : {
1641 2556 : BAT *nbids, *noids, *ncnts, *nlids, *ndels;
1642 2556 : BUN p, q;
1643 2556 : int err = 0, rcnt = 0;
1644 :
1645 2556 : BUN ocnt = BATcount(catalog_bid);
1646 2556 : nbids = logbat_new(TYPE_int, ocnt - cleanup, PERSISTENT);
1647 2556 : noids = logbat_new(TYPE_int, ocnt - cleanup, PERSISTENT);
1648 2556 : ncnts = logbat_new(TYPE_lng, ocnt - cleanup, SYSTRANS);
1649 2556 : nlids = logbat_new(TYPE_lng, ocnt - cleanup, SYSTRANS);
1650 2556 : ndels = logbat_new(TYPE_oid, BATcount(dcatalog) - cleanup, PERSISTENT);
1651 :
1652 2556 : if (nbids == NULL || noids == NULL || ncnts == NULL || nlids == NULL || ndels == NULL) {
1653 0 : logbat_destroy(nbids);
1654 0 : logbat_destroy(noids);
1655 0 : logbat_destroy(ncnts);
1656 0 : logbat_destroy(nlids);
1657 0 : logbat_destroy(ndels);
1658 0 : return 0;
1659 : }
1660 :
1661 2556 : oid *poss = Tloc(dcatalog, 0);
1662 178844 : BATloop(dcatalog, p, q) {
1663 176288 : oid pos = poss[p];
1664 :
1665 176288 : if (lids[pos] == lng_nil || lids[pos] > lg->saved_tid)
1666 0 : continue;
1667 :
1668 176288 : if (lids[pos] >= 0) {
1669 176288 : bat bid = bids[pos];
1670 176288 : BAT *lb = BBP_desc(bid);
1671 :
1672 176288 : if (lb->batCacheid == 0 || BATmode(lb, true /*transient */ ) != GDK_SUCCEED) {
1673 0 : GDKwarning("Failed to set bat(%d) transient\n", bid);
1674 : } else {
1675 176288 : lids[pos] = -1; /* mark as transient */
1676 176288 : r[rcnt++] = bid;
1677 : }
1678 : }
1679 : }
1680 :
1681 2556 : int *oids = (int *) Tloc(catalog_id, 0);
1682 2556 : q = BATcount(catalog_bid);
1683 902545 : for (p = 0; p < q && !err; p++) {
1684 899989 : bat col = bids[p];
1685 899989 : int nid = oids[p];
1686 899989 : lng lid = lids[p];
1687 899989 : lng cnt = cnts[p];
1688 899989 : oid pos = p;
1689 :
1690 : /* only project out the deleted with lid == -1
1691 : * update dcatalog */
1692 899989 : if (lid == -1)
1693 176288 : continue; /* remove */
1694 :
1695 1447402 : if (BUNappend(nbids, &col, true) != GDK_SUCCEED ||
1696 1447402 : BUNappend(noids, &nid, true) != GDK_SUCCEED ||
1697 1447402 : BUNappend(nlids, &lid, false) != GDK_SUCCEED ||
1698 723701 : BUNappend(ncnts, &cnt, false) != GDK_SUCCEED)
1699 : err = 1;
1700 723701 : if (BUNfnd(lg->dcatalog, &pos) != BUN_NONE) {
1701 0 : pos = (oid) (BATcount(nbids) - 1);
1702 0 : if (BUNappend(ndels, &pos, true) != GDK_SUCCEED)
1703 723701 : err = 1;
1704 : }
1705 : }
1706 :
1707 2556 : if (err) {
1708 0 : logbat_destroy(nbids);
1709 0 : logbat_destroy(noids);
1710 0 : logbat_destroy(ndels);
1711 0 : logbat_destroy(ncnts);
1712 0 : logbat_destroy(nlids);
1713 0 : return 0;
1714 : }
1715 : /* point of no return */
1716 5112 : if (log_switch_bat(catalog_bid, nbids, lg->fn, "catalog_bid") != GDK_SUCCEED ||
1717 5112 : log_switch_bat(catalog_id, noids, lg->fn, "catalog_id") != GDK_SUCCEED ||
1718 2556 : log_switch_bat(dcatalog, ndels, lg->fn, "dcatalog") != GDK_SUCCEED) {
1719 0 : logbat_destroy(nbids);
1720 0 : logbat_destroy(noids);
1721 0 : logbat_destroy(ndels);
1722 0 : logbat_destroy(ncnts);
1723 0 : logbat_destroy(nlids);
1724 0 : return -1;
1725 : }
1726 2556 : r[rcnt++] = lg->catalog_bid->batCacheid;
1727 2556 : r[rcnt++] = lg->catalog_id->batCacheid;
1728 2556 : r[rcnt++] = lg->dcatalog->batCacheid;
1729 :
1730 2556 : assert(BATcount(lg->dcatalog) - cleanup == BATcount(ndels));
1731 :
1732 2556 : logbat_destroy(lg->catalog_bid);
1733 2556 : logbat_destroy(lg->catalog_id);
1734 2556 : logbat_destroy(lg->dcatalog);
1735 :
1736 2556 : lg->catalog_bid = nbids;
1737 2556 : lg->catalog_id = noids;
1738 2556 : lg->dcatalog = ndels;
1739 :
1740 : /* failing to rename these two bats is not fatal */
1741 2556 : if (BBPrename(lg->catalog_cnt, NULL) != GDK_SUCCEED)
1742 2556 : GDKclrerr();
1743 2556 : if (BBPrename(lg->catalog_lid, NULL) != GDK_SUCCEED)
1744 2556 : GDKclrerr();
1745 2556 : BBPunfix(lg->catalog_cnt->batCacheid);
1746 2556 : BBPunfix(lg->catalog_lid->batCacheid);
1747 :
1748 2556 : lg->catalog_cnt = ncnts;
1749 2556 : lg->catalog_lid = nlids;
1750 2556 : char bak[FILENAME_MAX];
1751 2556 : strconcat_len(bak, sizeof(bak), lg->fn, "_catalog_cnt", NULL);
1752 2556 : if (BBPrename(lg->catalog_cnt, bak) < 0)
1753 0 : GDKclrerr();
1754 2556 : strconcat_len(bak, sizeof(bak), lg->fn, "_catalog_lid", NULL);
1755 2556 : if (BBPrename(lg->catalog_lid, bak) < 0)
1756 0 : GDKclrerr();
1757 2556 : rotation_lock(lg);
1758 10638 : for (logged_range *p = lg->pending; p; p = p->next) {
1759 8082 : p->cnt -= cleanup;
1760 : }
1761 2556 : rotation_unlock(lg);
1762 2556 : return rcnt;
1763 : }
1764 :
1765 : /* this function is called with log_lock() held; it releases the lock
1766 : * before returning */
1767 : static gdk_return
1768 12853 : bm_subcommit(logger *lg, logged_range *pending, uint32_t *updated, BUN maxupdated)
1769 : {
1770 12853 : BUN cnt = pending ? pending->cnt : BATcount(lg->catalog_bid);
1771 12853 : BUN dcnt = BATcount(lg->dcatalog);
1772 12853 : BUN p, q;
1773 12853 : BAT *catalog_bid = lg->catalog_bid;
1774 12853 : BAT *catalog_id = lg->catalog_id;
1775 12853 : BAT *dcatalog = lg->dcatalog;
1776 12853 : BUN nn = 13 + cnt;
1777 12853 : bat *n = GDKmalloc(sizeof(bat) * nn);
1778 12853 : bat *r = GDKmalloc(sizeof(bat) * nn);
1779 12853 : BUN *sizes = GDKmalloc(sizeof(BUN) * nn);
1780 12853 : int i = 0, rcnt = 0;
1781 12853 : gdk_return res;
1782 12853 : const log_bid *bids;
1783 12853 : lng *cnts = NULL, *lids = NULL;
1784 12853 : BUN cleanup = 0;
1785 12853 : lng t0 = 0;
1786 :
1787 12853 : if (n == NULL || r == NULL || sizes == NULL) {
1788 0 : GDKfree(n);
1789 0 : GDKfree(r);
1790 0 : GDKfree(sizes);
1791 0 : log_unlock(lg);
1792 0 : return GDK_FAIL;
1793 : }
1794 :
1795 12853 : sizes[i] = 0;
1796 12853 : n[i++] = 0; /* n[0] is not used */
1797 12853 : bids = (const log_bid *) Tloc(catalog_bid, 0);
1798 12853 : if (lg->catalog_cnt)
1799 12627 : cnts = (lng *) Tloc(lg->catalog_cnt, 0);
1800 12853 : if (lg->catalog_lid)
1801 12627 : lids = (lng *) Tloc(lg->catalog_lid, 0);
1802 3760862 : BATloop(catalog_bid, p, q) {
1803 3748009 : if (lids && lids[p] != lng_nil && lids[p] <= lg->saved_tid) {
1804 176288 : cleanup++;
1805 176288 : if (lids[p] == -1)
1806 0 : continue;
1807 352576 : if (BUNfnd(dcatalog, &(oid){p}) == BUN_NONE &&
1808 176288 : BUNappend(dcatalog, &(oid){p}, true) != GDK_SUCCEED) {
1809 0 : while (BATcount(dcatalog) > dcnt) {
1810 0 : if (BUNdelete(dcatalog, BATcount(dcatalog) - 1) != GDK_SUCCEED) {
1811 0 : TRC_CRITICAL(WAL, "delete after failed append failed\n");
1812 0 : break;
1813 : }
1814 : }
1815 0 : GDKfree(n);
1816 0 : GDKfree(r);
1817 0 : GDKfree(sizes);
1818 0 : log_unlock(lg);
1819 0 : return GDK_FAIL;
1820 : }
1821 : }
1822 3748009 : if (updated && p < maxupdated && (updated[p / 32] & (1U << (p % 32))) == 0) {
1823 1856705 : continue;
1824 : }
1825 1891304 : bat col = bids[p];
1826 :
1827 1891304 : TRC_DEBUG(WAL, "new %s (%d)\n", BBP_logical(col), col);
1828 1891304 : assert(col);
1829 1891304 : sizes[i] = cnts ? (BUN) cnts[p] : 0;
1830 1891304 : n[i++] = col;
1831 : }
1832 : /* now commit catalog, so it's also up to date on disk */
1833 12853 : sizes[i] = cnt;
1834 12853 : n[i++] = catalog_bid->batCacheid;
1835 12853 : sizes[i] = cnt;
1836 12853 : n[i++] = catalog_id->batCacheid;
1837 12853 : sizes[i] = BATcount(dcatalog);
1838 12853 : n[i++] = dcatalog->batCacheid;
1839 :
1840 12853 : if (cleanup) {
1841 2556 : if ((rcnt = cleanup_and_swap(lg, r, bids, lids, cnts,
1842 : catalog_bid, catalog_id, dcatalog,
1843 : cleanup)) < 0) {
1844 0 : GDKfree(n);
1845 0 : GDKfree(r);
1846 0 : GDKfree(sizes);
1847 0 : log_unlock(lg);
1848 0 : return GDK_FAIL;
1849 : }
1850 2556 : cnt -= cleanup;
1851 : }
1852 12853 : if (dcatalog != lg->dcatalog) {
1853 2556 : i = subcommit_list_add(i, n, sizes, lg->catalog_bid->batCacheid, cnt);
1854 2556 : i = subcommit_list_add(i, n, sizes, lg->catalog_id->batCacheid, cnt);
1855 2556 : i = subcommit_list_add(i, n, sizes, lg->dcatalog->batCacheid, BATcount(lg->dcatalog));
1856 : }
1857 12853 : if (lg->seqs_id) {
1858 12627 : sizes[i] = BATcount(lg->seqs_id);
1859 12627 : n[i++] = lg->seqs_id->batCacheid;
1860 12627 : sizes[i] = BATcount(lg->seqs_id);
1861 12627 : n[i++] = lg->seqs_val->batCacheid;
1862 : }
1863 12853 : if (!cleanup && lg->seqs_id && BATcount(lg->dseqs) > (BATcount(lg->seqs_id) / 2) && BATcount(lg->dseqs) > 10) {
1864 350 : BAT *tids, *ids, *vals;
1865 :
1866 350 : tids = bm_tids(lg->seqs_id, lg->dseqs);
1867 350 : if (tids == NULL) {
1868 0 : GDKfree(n);
1869 0 : GDKfree(r);
1870 0 : GDKfree(sizes);
1871 0 : log_unlock(lg);
1872 0 : return GDK_FAIL;
1873 : }
1874 350 : ids = logbat_new(TYPE_int, BATcount(tids), PERSISTENT);
1875 350 : vals = logbat_new(TYPE_lng, BATcount(tids), PERSISTENT);
1876 :
1877 350 : if (ids == NULL || vals == NULL) {
1878 0 : logbat_destroy(tids);
1879 0 : logbat_destroy(ids);
1880 0 : logbat_destroy(vals);
1881 0 : GDKfree(n);
1882 0 : GDKfree(r);
1883 0 : GDKfree(sizes);
1884 0 : log_unlock(lg);
1885 0 : return GDK_FAIL;
1886 : }
1887 :
1888 700 : if (BATappend(ids, lg->seqs_id, tids, true) != GDK_SUCCEED ||
1889 350 : BATappend(vals, lg->seqs_val, tids, true) != GDK_SUCCEED) {
1890 0 : logbat_destroy(tids);
1891 0 : logbat_destroy(ids);
1892 0 : logbat_destroy(vals);
1893 0 : GDKfree(n);
1894 0 : GDKfree(r);
1895 0 : GDKfree(sizes);
1896 0 : log_unlock(lg);
1897 0 : return GDK_FAIL;
1898 : }
1899 350 : logbat_destroy(tids);
1900 350 : BATclear(lg->dseqs, true);
1901 :
1902 700 : if (log_switch_bat(lg->seqs_id, ids, lg->fn, "seqs_id") != GDK_SUCCEED ||
1903 350 : log_switch_bat(lg->seqs_val, vals, lg->fn, "seqs_val") != GDK_SUCCEED) {
1904 0 : logbat_destroy(ids);
1905 0 : logbat_destroy(vals);
1906 0 : GDKfree(n);
1907 0 : GDKfree(r);
1908 0 : GDKfree(sizes);
1909 0 : log_unlock(lg);
1910 0 : return GDK_FAIL;
1911 : }
1912 350 : i = subcommit_list_add(i, n, sizes, ids->batCacheid, BATcount(ids));
1913 350 : i = subcommit_list_add(i, n, sizes, vals->batCacheid, BATcount(ids));
1914 :
1915 350 : if (BBP_lrefs(lg->seqs_id->batCacheid) > 0)
1916 280 : r[rcnt++] = lg->seqs_id->batCacheid;
1917 350 : if (BBP_lrefs(lg->seqs_val->batCacheid) > 0)
1918 280 : r[rcnt++] = lg->seqs_val->batCacheid;
1919 :
1920 350 : logbat_destroy(lg->seqs_id);
1921 350 : logbat_destroy(lg->seqs_val);
1922 :
1923 350 : lg->seqs_id = ids;
1924 350 : lg->seqs_val = vals;
1925 : }
1926 12853 : if (lg->seqs_id) {
1927 12627 : sizes[i] = BATcount(lg->dseqs);
1928 12627 : n[i++] = lg->dseqs->batCacheid;
1929 : }
1930 :
1931 12853 : assert((BUN) i <= nn);
1932 12853 : log_unlock(lg);
1933 12853 : TRC_DEBUG_IF(WAL)
1934 0 : t0 = GDKusec();
1935 13079 : res = TMsubcommit_list(n, cnts ? sizes : NULL, i, lg->saved_id);
1936 12853 : TRC_DEBUG(WAL, "subcommit " LLFMT "usec\n", GDKusec() - t0);
1937 12853 : if (res == GDK_SUCCEED) { /* now cleanup */
1938 197369 : for (i = 0; i < rcnt; i++) {
1939 184516 : TRC_DEBUG_IF(WAL) {
1940 0 : TRC_DEBUG_ENDIF(WAL, "release %d\n", r[i]);
1941 0 : if (BBP_lrefs(r[i]) != 2)
1942 0 : TRC_DEBUG_ENDIF(WAL, "release %d %d\n", r[i], BBP_lrefs(r[i]));
1943 : }
1944 184516 : BBPrelease(r[i]);
1945 : }
1946 : }
1947 12853 : GDKfree(n);
1948 12853 : GDKfree(r);
1949 12853 : GDKfree(sizes);
1950 12853 : if (res != GDK_SUCCEED)
1951 0 : TRC_CRITICAL(GDK, "commit failed\n");
1952 : return res;
1953 : }
1954 :
1955 : static gdk_return
1956 327 : log_filename(logger *lg, char bak[FILENAME_MAX], char filename[FILENAME_MAX])
1957 : {
1958 327 : str filenamestr = NULL;
1959 :
1960 327 : if ((filenamestr = GDKfilepath(0, lg->dir, LOGFILE, NULL)) == NULL)
1961 : return GDK_FAIL;
1962 327 : size_t len = strcpy_len(filename, filenamestr, FILENAME_MAX);
1963 327 : GDKfree(filenamestr);
1964 327 : if (len >= FILENAME_MAX) {
1965 0 : GDKerror("Logger filename path is too large\n");
1966 0 : return GDK_FAIL;
1967 : }
1968 327 : if (bak) {
1969 327 : len = strconcat_len(bak, FILENAME_MAX, filename, ".bak", NULL);
1970 327 : if (len >= FILENAME_MAX) {
1971 0 : GDKerror("Logger filename path is too large\n");
1972 0 : return GDK_FAIL;
1973 : }
1974 : }
1975 : return GDK_SUCCEED;
1976 : }
1977 :
1978 : static gdk_return
1979 12425 : log_cleanup(logger *lg, lng id)
1980 : {
1981 12425 : char log_id[FILENAME_MAX];
1982 :
1983 12425 : if (snprintf(log_id, sizeof(log_id), LLFMT, id) >= FILENAME_MAX) {
1984 0 : GDKerror("log_id filename is too large\n");
1985 0 : return GDK_FAIL;
1986 : }
1987 12425 : if (GDKunlink(0, lg->dir, LOGFILE, log_id) != GDK_SUCCEED) {
1988 0 : GDKwarning("failed to remove old WAL %s.%s\n", LOGFILE, log_id);
1989 0 : GDKclrerr(); /* clear error from unlink */
1990 : }
1991 : return GDK_SUCCEED;
1992 : }
1993 :
1994 : #ifdef GDKLIBRARY_JSON
1995 : static gdk_return
1996 328 : log_json_upgrade_finalize(void)
1997 : {
1998 328 : int json_tpe = ATOMindex("json");
1999 655 : if (!GDKinmemory(0) &&
2000 327 : GDKunlink(0, BATDIR, "jsonupgradeneeded", NULL) == GDK_FAIL) {
2001 0 : TRC_CRITICAL(GDK, "Failed to remove json upgrade signal file");
2002 0 : return GDK_FAIL;
2003 : }
2004 328 : BATatoms[json_tpe].atomRead = (void *(*)(void *, size_t *, stream *, size_t))strRead;
2005 :
2006 328 : return GDK_SUCCEED;
2007 : }
2008 : #endif
2009 :
2010 : /* Load data from the logger logdir
2011 : * Initialize new directories and catalog files if none are present,
2012 : * unless running in read-only mode
2013 : * Load data and persist it in the BATs */
2014 : static gdk_return
2015 328 : log_load(const char *fn, logger *lg, char filename[FILENAME_MAX])
2016 : {
2017 328 : FILE *fp = NULL;
2018 328 : char bak[FILENAME_MAX];
2019 328 : bat catalog_bid, catalog_id, dcatalog;
2020 328 : bool needcommit = false;
2021 328 : ATOMIC_BASE_TYPE dbg = ATOMIC_GET(&GDKdebug);
2022 328 : bool readlogs = false;
2023 328 : bool needsnew = false; /* need to write new log file? */
2024 :
2025 : /* refactor */
2026 328 : if (!LOG_DISABLED(lg)) {
2027 327 : if (log_filename(lg, bak, filename) != GDK_SUCCEED)
2028 0 : goto error;
2029 : }
2030 :
2031 328 : lg->catalog_bid = NULL;
2032 328 : lg->catalog_id = NULL;
2033 328 : lg->catalog_cnt = NULL;
2034 328 : lg->catalog_lid = NULL;
2035 328 : lg->dcatalog = NULL;
2036 :
2037 328 : lg->seqs_id = NULL;
2038 328 : lg->seqs_val = NULL;
2039 328 : lg->dseqs = NULL;
2040 :
2041 328 : if (!LOG_DISABLED(lg)) {
2042 : /* try to open logfile backup, or failing that, the file
2043 : * itself. we need to know whether this file exists when
2044 : * checking the database consistency later on */
2045 327 : if ((fp = MT_fopen(bak, "r")) != NULL) {
2046 0 : fclose(fp);
2047 0 : fp = NULL;
2048 0 : if (GDKunlink(0, lg->dir, LOGFILE, NULL) != GDK_SUCCEED ||
2049 0 : GDKmove(0, lg->dir, LOGFILE, "bak", lg->dir, LOGFILE, NULL, true) != GDK_SUCCEED)
2050 0 : goto error;
2051 327 : } else if (errno != ENOENT) {
2052 0 : GDKsyserror("open %s failed", bak);
2053 0 : goto error;
2054 : }
2055 327 : fp = MT_fopen(filename, "r");
2056 327 : if (fp == NULL && errno != ENOENT) {
2057 0 : GDKsyserror("open %s failed", filename);
2058 0 : goto error;
2059 : }
2060 : }
2061 :
2062 328 : strconcat_len(bak, sizeof(bak), fn, "_catalog_bid", NULL);
2063 328 : catalog_bid = BBPindex(bak);
2064 :
2065 : /* initialize arrays for type mapping, to be read from disk */
2066 328 : memset(lg->type_id, -1, sizeof(lg->type_id));
2067 328 : memset(lg->type_nr, 255, sizeof(lg->type_nr));
2068 :
2069 : /* this is intentional - if catalog_bid is 0, force it to find
2070 : * the persistent catalog */
2071 328 : if (catalog_bid == 0) {
2072 : /* catalog does not exist, so the log file also
2073 : * shouldn't exist */
2074 226 : if (fp != NULL) {
2075 0 : GDKerror("there is no logger catalog, "
2076 : "but there is a log file.\n");
2077 0 : goto error;
2078 : }
2079 :
2080 226 : lg->catalog_bid = logbat_new(TYPE_int, BATSIZE, PERSISTENT);
2081 226 : lg->catalog_id = logbat_new(TYPE_int, BATSIZE, PERSISTENT);
2082 226 : lg->dcatalog = logbat_new(TYPE_oid, BATSIZE, PERSISTENT);
2083 :
2084 226 : if (lg->catalog_bid == NULL || lg->catalog_id == NULL || lg->dcatalog == NULL) {
2085 0 : GDKerror("cannot create catalog bats");
2086 0 : goto error;
2087 : }
2088 226 : TRC_INFO(WAL, "create %s catalog\n", fn);
2089 :
2090 : /* give the catalog bats names so we can find them
2091 : * next time */
2092 226 : strconcat_len(bak, sizeof(bak), fn, "_catalog_bid", NULL);
2093 226 : if (BBPrename(lg->catalog_bid, bak) < 0) {
2094 0 : goto error;
2095 : }
2096 :
2097 226 : strconcat_len(bak, sizeof(bak), fn, "_catalog_id", NULL);
2098 226 : if (BBPrename(lg->catalog_id, bak) < 0) {
2099 0 : goto error;
2100 : }
2101 :
2102 226 : strconcat_len(bak, sizeof(bak), fn, "_dcatalog", NULL);
2103 226 : if (BBPrename(lg->dcatalog, bak) < 0) {
2104 0 : goto error;
2105 : }
2106 :
2107 226 : if (!LOG_DISABLED(lg)) {
2108 225 : if (GDKcreatedir(filename) != GDK_SUCCEED) {
2109 0 : GDKerror("cannot create directory for log file %s\n", filename);
2110 0 : goto error;
2111 : }
2112 225 : if (log_create_types_file(lg, filename) != GDK_SUCCEED)
2113 0 : goto error;
2114 : }
2115 :
2116 226 : BBPretain(lg->catalog_bid->batCacheid);
2117 226 : BBPretain(lg->catalog_id->batCacheid);
2118 226 : BBPretain(lg->dcatalog->batCacheid);
2119 :
2120 226 : log_lock(lg);
2121 : /* bm_subcommit releases the lock */
2122 226 : if (bm_subcommit(lg, NULL, NULL, 0) != GDK_SUCCEED) {
2123 : /* cannot commit catalog, so remove log */
2124 0 : if (MT_remove(filename) < 0)
2125 0 : GDKsyserror("remove %s failed\n", filename);
2126 0 : BBPrelease(lg->catalog_bid->batCacheid);
2127 0 : BBPrelease(lg->catalog_id->batCacheid);
2128 0 : BBPrelease(lg->dcatalog->batCacheid);
2129 0 : goto error;
2130 : }
2131 : } else {
2132 : /* find the persistent catalog. As non persistent bats
2133 : * require a logical reference we also add a logical
2134 : * reference for the persistent bats */
2135 102 : BUN p, q;
2136 102 : BAT *b, *o, *d;
2137 :
2138 102 : assert(!lg->inmemory);
2139 :
2140 : /* the catalog exists, and so should the log file */
2141 102 : if (fp == NULL && !LOG_DISABLED(lg)) {
2142 0 : GDKerror("There is a logger catalog, but no log file.\n");
2143 0 : goto error;
2144 : }
2145 : if (fp != NULL) {
2146 : /* check_version always closes fp */
2147 102 : if (check_version(lg, fp, &needsnew) != GDK_SUCCEED) {
2148 0 : fp = NULL;
2149 0 : goto error;
2150 : }
2151 : readlogs = true;
2152 : fp = NULL;
2153 : }
2154 :
2155 102 : if (lg->catalog_bid == NULL && lg->catalog_id == NULL && lg->dcatalog == NULL) {
2156 102 : b = BATdescriptor(catalog_bid);
2157 102 : if (b == NULL) {
2158 0 : GDKerror("inconsistent database, catalog does not exist");
2159 0 : goto error;
2160 : }
2161 :
2162 102 : strconcat_len(bak, sizeof(bak), fn, "_catalog_id", NULL);
2163 102 : catalog_id = BBPindex(bak);
2164 102 : o = BATdescriptor(catalog_id);
2165 102 : if (o == NULL) {
2166 0 : BBPunfix(b->batCacheid);
2167 0 : GDKerror("inconsistent database, catalog_id does not exist");
2168 0 : goto error;
2169 : }
2170 :
2171 102 : strconcat_len(bak, sizeof(bak), fn, "_dcatalog", NULL);
2172 102 : dcatalog = BBPindex(bak);
2173 102 : d = BATdescriptor(dcatalog);
2174 102 : if (d == NULL) {
2175 0 : GDKerror("cannot create dcatalog bat");
2176 0 : BBPunfix(b->batCacheid);
2177 0 : BBPunfix(o->batCacheid);
2178 0 : goto error;
2179 : }
2180 :
2181 102 : lg->catalog_bid = b;
2182 102 : lg->catalog_id = o;
2183 102 : lg->dcatalog = d;
2184 102 : const log_bid *bids = (const log_bid *) Tloc(lg->catalog_bid, 0);
2185 26619 : BATloop(lg->catalog_bid, p, q) {
2186 26517 : bat bid = bids[p];
2187 26517 : oid pos = p;
2188 :
2189 26517 : if (BBPretain(bid) == 0 && /* any bid in the catalog_bid, needs one logical ref */
2190 0 : BUNfnd(lg->dcatalog, &pos) == BUN_NONE &&
2191 0 : BUNappend(lg->dcatalog, &pos, true) != GDK_SUCCEED)
2192 0 : goto error;
2193 : }
2194 : }
2195 102 : if ((lg->catalog_bid = BATsetaccess(lg->catalog_bid, BAT_READ)) == NULL ||
2196 102 : (lg->catalog_id = BATsetaccess(lg->catalog_id, BAT_READ)) == NULL ||
2197 102 : (lg->dcatalog = BATsetaccess(lg->dcatalog, BAT_READ)) == NULL) {
2198 0 : goto error;
2199 : }
2200 102 : BBPretain(lg->catalog_bid->batCacheid);
2201 102 : BBPretain(lg->catalog_id->batCacheid);
2202 102 : BBPretain(lg->dcatalog->batCacheid);
2203 : }
2204 : /* failing to rename the catalog_cnt and catalog_lid bats is not
2205 : * fatal */
2206 328 : lg->catalog_cnt = logbat_new(TYPE_lng, 1, SYSTRANS);
2207 328 : if (lg->catalog_cnt == NULL) {
2208 0 : GDKerror("failed to create catalog_cnt bat");
2209 0 : goto error;
2210 : }
2211 328 : strconcat_len(bak, sizeof(bak), fn, "_catalog_cnt", NULL);
2212 328 : if (BBPrename(lg->catalog_cnt, bak) < 0)
2213 0 : GDKclrerr();
2214 328 : lg->catalog_lid = logbat_new(TYPE_lng, 1, SYSTRANS);
2215 328 : if (lg->catalog_lid == NULL) {
2216 0 : GDKerror("failed to create catalog_lid bat");
2217 0 : goto error;
2218 : }
2219 328 : strconcat_len(bak, sizeof(bak), fn, "_catalog_lid", NULL);
2220 328 : if (BBPrename(lg->catalog_lid, bak) < 0)
2221 0 : GDKclrerr();
2222 328 : if (bm_get_counts(lg) != GDK_SUCCEED)
2223 0 : goto error;
2224 :
2225 328 : strconcat_len(bak, sizeof(bak), fn, "_seqs_id", NULL);
2226 328 : if (BBPindex(bak)) {
2227 102 : lg->seqs_id = BATdescriptor(BBPindex(bak));
2228 102 : strconcat_len(bak, sizeof(bak), fn, "_seqs_val", NULL);
2229 102 : lg->seqs_val = BATdescriptor(BBPindex(bak));
2230 102 : strconcat_len(bak, sizeof(bak), fn, "_dseqs", NULL);
2231 102 : lg->dseqs = BATdescriptor(BBPindex(bak));
2232 102 : if (lg->seqs_id == NULL ||
2233 102 : lg->seqs_val == NULL ||
2234 : lg->dseqs == NULL) {
2235 0 : GDKerror("Logger_new: cannot load seqs bats");
2236 0 : goto error;
2237 : }
2238 102 : if ((lg->seqs_val = BATsetaccess(lg->seqs_val, BAT_READ)) == NULL ||
2239 102 : (lg->seqs_id = BATsetaccess(lg->seqs_id, BAT_READ)) == NULL ||
2240 102 : (lg->dseqs = BATsetaccess(lg->dseqs, BAT_READ)) == NULL) {
2241 0 : goto error;
2242 : }
2243 : } else {
2244 226 : lg->seqs_id = logbat_new(TYPE_int, 1, PERSISTENT);
2245 226 : lg->seqs_val = logbat_new(TYPE_lng, 1, PERSISTENT);
2246 226 : lg->dseqs = logbat_new(TYPE_oid, 1, PERSISTENT);
2247 226 : if (lg->seqs_id == NULL ||
2248 226 : lg->seqs_val == NULL ||
2249 : lg->dseqs == NULL) {
2250 0 : GDKerror("Logger_new: cannot create seqs bats");
2251 0 : goto error;
2252 : }
2253 :
2254 226 : strconcat_len(bak, sizeof(bak), fn, "_seqs_id", NULL);
2255 226 : if (BBPrename(lg->seqs_id, bak) < 0) {
2256 0 : goto error;
2257 : }
2258 :
2259 226 : strconcat_len(bak, sizeof(bak), fn, "_seqs_val", NULL);
2260 226 : if (BBPrename(lg->seqs_val, bak) < 0) {
2261 0 : goto error;
2262 : }
2263 :
2264 226 : strconcat_len(bak, sizeof(bak), fn, "_dseqs", NULL);
2265 226 : if (BBPrename(lg->dseqs, bak) < 0) {
2266 0 : goto error;
2267 : }
2268 : needcommit = true;
2269 : }
2270 328 : dbg = ATOMIC_GET(&GDKdebug);
2271 328 : ATOMIC_AND(&GDKdebug, ~CHECKMASK);
2272 328 : if (needcommit && bm_commit(lg, NULL, NULL, 0) != GDK_SUCCEED) {
2273 0 : GDKerror("Logger_new: commit failed");
2274 0 : goto error;
2275 : }
2276 328 : ATOMIC_SET(&GDKdebug, dbg);
2277 :
2278 328 : if (readlogs) {
2279 102 : ulng log_id = lg->saved_id + 1;
2280 102 : if (log_readlogs(lg, filename) != GDK_SUCCEED) {
2281 0 : goto error;
2282 : }
2283 102 : if (lg->postfuncp && (*lg->postfuncp) (lg->funcdata, lg) != GDK_SUCCEED)
2284 0 : goto error;
2285 102 : if (needsnew) {
2286 8 : if (GDKmove(0, lg->dir, LOGFILE, NULL, lg->dir, LOGFILE, "bak", true) != GDK_SUCCEED) {
2287 0 : TRC_CRITICAL(GDK, "couldn't move log to log.bak\n");
2288 0 : return GDK_FAIL;
2289 : }
2290 8 : if (log_create_types_file(lg, filename) != GDK_SUCCEED) {
2291 0 : TRC_CRITICAL(GDK, "couldn't write new log\n");
2292 0 : return GDK_FAIL;
2293 : }
2294 : }
2295 102 : dbg = ATOMIC_GET(&GDKdebug);
2296 102 : ATOMIC_AND(&GDKdebug, ~CHECKMASK);
2297 102 : if (log_commit(lg, NULL, NULL, 0) != GDK_SUCCEED) {
2298 0 : goto error;
2299 : }
2300 102 : ATOMIC_SET(&GDKdebug, dbg);
2301 265 : for (; log_id <= lg->saved_id; log_id++)
2302 163 : (void) log_cleanup(lg, log_id); /* ignore error of removing file */
2303 110 : if (needsnew &&
2304 8 : GDKunlink(0, lg->dir, LOGFILE, "bak") != GDK_SUCCEED) {
2305 0 : TRC_CRITICAL(GDK, "couldn't remove old log.bak file\n");
2306 0 : return GDK_FAIL;
2307 : }
2308 : } else {
2309 226 : lg->id = lg->saved_id + 1;
2310 : }
2311 : #ifdef GDKLIBRARY_JSON
2312 328 : if (log_json_upgrade_finalize() == GDK_FAIL)
2313 0 : goto error;
2314 : #endif
2315 : return GDK_SUCCEED;
2316 0 : error:
2317 0 : if (fp)
2318 0 : fclose(fp);
2319 0 : logbat_destroy(lg->catalog_bid);
2320 0 : logbat_destroy(lg->catalog_id);
2321 0 : logbat_destroy(lg->dcatalog);
2322 0 : logbat_destroy(lg->seqs_id);
2323 0 : logbat_destroy(lg->seqs_val);
2324 0 : logbat_destroy(lg->dseqs);
2325 0 : MT_lock_destroy(&lg->lock);
2326 0 : MT_lock_destroy(&lg->rotation_lock);
2327 0 : GDKfree(lg->fn);
2328 0 : GDKfree(lg->dir);
2329 0 : GDKfree(lg->rbuf);
2330 0 : GDKfree(lg->wbuf);
2331 0 : GDKfree(lg);
2332 0 : ATOMIC_SET(&GDKdebug, dbg);
2333 : /* We do not call log_json_upgrade_finalize here because we want
2334 : * the upgrade to run again next time we try, so we do not want
2335 : * to remove the signal file just yet.
2336 : */
2337 0 : return GDK_FAIL;
2338 : }
2339 :
2340 : /* Initialize a new logger
2341 : * It will load any data in the logdir and persist it in the BATs*/
2342 : static logger *
2343 328 : log_new(int debug, const char *fn, const char *logdir, int version, preversionfix_fptr prefuncp,
2344 : postversionfix_fptr postfuncp, void *funcdata)
2345 : {
2346 328 : logger *lg;
2347 328 : char filename[FILENAME_MAX];
2348 :
2349 328 : lng max_dropped = GDKgetenv_int("wal_max_dropped", 100000);
2350 328 : lng max_file_age = GDKgetenv_int("wal_max_file_age", 600);
2351 328 : lng max_file_size = 0;
2352 :
2353 328 : if (GDKdebug & TESTINGMASK) {
2354 : max_file_size = 2048; /* 2 KiB */
2355 : } else {
2356 12 : const char *max_file_size_str = GDKgetenv("wal_max_file_size");
2357 12 : max_file_size = max_file_size_str ? strtoul(max_file_size_str, NULL, 10) : 2147483648;
2358 : }
2359 :
2360 328 : if (!GDKinmemory(0) && MT_path_absolute(logdir)) {
2361 0 : TRC_CRITICAL(GDK, "logdir must be relative path\n");
2362 0 : return NULL;
2363 : }
2364 :
2365 328 : if (snprintf(filename, sizeof(filename), "%s%c%s%c", logdir, DIR_SEP, fn, DIR_SEP) >= FILENAME_MAX) {
2366 0 : TRC_CRITICAL(GDK, "filename is too large\n");
2367 0 : return NULL;
2368 : }
2369 :
2370 328 : lg = GDKmalloc(sizeof(struct logger));
2371 328 : if (lg == NULL) {
2372 0 : TRC_CRITICAL(GDK, "allocating logger structure failed\n");
2373 0 : return NULL;
2374 : }
2375 :
2376 656 : *lg = (logger) {
2377 328 : .inmemory = GDKinmemory(0),
2378 : .debug = debug,
2379 : .version = version,
2380 : .prefuncp = prefuncp,
2381 : .postfuncp = postfuncp,
2382 : .funcdata = funcdata,
2383 :
2384 328 : .max_dropped = max_dropped >= 0 ? max_dropped : 100000,
2385 : .file_age = 0,
2386 328 : .max_file_age = max_file_age >= 0 ? max_file_age * 1000000 : 600000000,
2387 328 : .max_file_size = max_file_size >= 0 ? max_file_size : 2147483648,
2388 :
2389 : .id = 0,
2390 328 : .saved_id = getBBPlogno(), /* get saved log number from bbp */
2391 : .nr_flushers = ATOMIC_VAR_INIT(0),
2392 328 : .fn = GDKstrdup(fn),
2393 328 : .dir = GDKstrdup(filename),
2394 : .rbufsize = 64 * 1024,
2395 328 : .rbuf = GDKmalloc(64 * 1024),
2396 : .wbufsize = 64 * 1024,
2397 328 : .wbuf = GDKmalloc(64 * 1024),
2398 : };
2399 :
2400 : /* probably open file and check version first, then call call old logger code */
2401 328 : if (lg->fn == NULL ||
2402 328 : lg->dir == NULL ||
2403 328 : lg->rbuf == NULL ||
2404 : lg->wbuf == NULL) {
2405 0 : TRC_CRITICAL(GDK, "allocating for logger structure failed\n");
2406 0 : GDKfree(lg->fn);
2407 0 : GDKfree(lg->dir);
2408 0 : GDKfree(lg->rbuf);
2409 0 : GDKfree(lg->wbuf);
2410 0 : GDKfree(lg);
2411 0 : return NULL;
2412 : }
2413 328 : TRC_DEBUG(WAL, "dir set to %s\n", lg->dir);
2414 :
2415 328 : MT_lock_init(&lg->lock, fn);
2416 328 : MT_lock_init(&lg->rotation_lock, "rotation_lock");
2417 328 : MT_lock_init(&lg->flush_lock, "flush_lock");
2418 328 : MT_cond_init(&lg->excl_flush_cv);
2419 :
2420 328 : if (log_load(fn, lg, filename) == GDK_SUCCEED) {
2421 : return lg;
2422 : }
2423 : return NULL;
2424 : }
2425 :
2426 : static logged_range *
2427 68400 : do_flush_range_cleanup(logger *lg)
2428 : {
2429 68400 : logged_range *frange = lg->flush_ranges;
2430 68400 : logged_range *first = frange;
2431 :
2432 68400 : if (frange == NULL)
2433 : return NULL;
2434 80742 : while (frange->next) {
2435 12796 : if (ATOMIC_GET(&frange->refcount) > 1)
2436 : break;
2437 12342 : frange = frange->next;
2438 : }
2439 68400 : if (first == frange) {
2440 : return first;
2441 : }
2442 :
2443 12341 : logged_range *flast = frange;
2444 :
2445 12341 : lg->flush_ranges = flast;
2446 :
2447 24683 : for (frange = first; frange && frange != flast; frange = frange->next) {
2448 12342 : ATOMIC_DEC(&frange->refcount);
2449 12342 : if (!LOG_DISABLED(lg) && frange->output_log) {
2450 0 : TRC_INFO(WAL, "closing output log %s", mnstr_name(frange->output_log));
2451 0 : close_stream(frange->output_log);
2452 0 : frange->output_log = NULL;
2453 : }
2454 : }
2455 : return flast;
2456 : }
2457 :
2458 : void
2459 327 : log_destroy(logger *lg)
2460 : {
2461 327 : log_close_input(lg);
2462 327 : logged_range *last = do_flush_range_cleanup(lg);
2463 327 : (void) last;
2464 327 : assert(last == lg->current && last == lg->flush_ranges);
2465 327 : log_close_output(lg);
2466 734 : for (logged_range * p = lg->pending; p; p = lg->pending) {
2467 407 : lg->pending = p->next;
2468 407 : GDKfree(p);
2469 : }
2470 327 : if (LOG_DISABLED(lg)) {
2471 1 : lg->saved_id = lg->id;
2472 1 : lg->saved_tid = lg->tid;
2473 1 : log_commit(lg, NULL, NULL, 0);
2474 : }
2475 327 : if (lg->catalog_bid) {
2476 327 : log_lock(lg);
2477 327 : BUN p, q;
2478 327 : BAT *b = lg->catalog_bid;
2479 :
2480 : /* free resources */
2481 327 : const log_bid *bids = (const log_bid *) Tloc(b, 0);
2482 86355 : BATloop(b, p, q) {
2483 86028 : bat bid = bids[p];
2484 :
2485 86028 : BBPrelease(bid);
2486 : }
2487 :
2488 327 : BBPrelease(lg->catalog_bid->batCacheid);
2489 327 : BBPrelease(lg->catalog_id->batCacheid);
2490 327 : BBPrelease(lg->dcatalog->batCacheid);
2491 327 : logbat_destroy(lg->catalog_bid);
2492 327 : logbat_destroy(lg->catalog_id);
2493 327 : logbat_destroy(lg->dcatalog);
2494 :
2495 327 : logbat_destroy(lg->catalog_cnt);
2496 327 : logbat_destroy(lg->catalog_lid);
2497 327 : log_unlock(lg);
2498 : }
2499 327 : MT_lock_destroy(&lg->lock);
2500 327 : MT_lock_destroy(&lg->rotation_lock);
2501 327 : MT_lock_destroy(&lg->flush_lock);
2502 327 : GDKfree(lg->fn);
2503 327 : GDKfree(lg->dir);
2504 327 : GDKfree(lg->rbuf);
2505 327 : GDKfree(lg->wbuf);
2506 327 : GDKfree(lg);
2507 327 : }
2508 :
2509 : /* Create a new logger */
2510 : logger *
2511 328 : log_create(int debug, const char *fn, const char *logdir, int version,
2512 : preversionfix_fptr prefuncp, postversionfix_fptr postfuncp,
2513 : void *funcdata)
2514 : {
2515 328 : logger *lg;
2516 328 : TRC_INFO_IF(WAL) {
2517 0 : TRC_INFO_ENDIF(WAL, "Started processing logs %s/%s version %d\n", fn, logdir, version);
2518 0 : GDKtracer_flush_buffer();
2519 : }
2520 328 : lg = log_new(debug, fn, logdir, version, prefuncp, postfuncp, funcdata);
2521 328 : if (lg == NULL)
2522 : return NULL;
2523 328 : TRC_INFO_IF(WAL) {
2524 0 : TRC_INFO_ENDIF(WAL, "Finished processing logs %s/%s\n", fn, logdir);
2525 0 : GDKtracer_flush_buffer();
2526 : }
2527 328 : if (GDKsetenv("recovery", "finished") != GDK_SUCCEED) {
2528 0 : log_destroy(lg);
2529 0 : return NULL;
2530 : }
2531 328 : assert(lg->current == NULL);
2532 328 : logged_range dummy = {
2533 328 : .cnt = BATcount(lg->catalog_bid),
2534 : };
2535 328 : lg->current = &dummy;
2536 328 : if (log_open_output(lg) != GDK_SUCCEED) {
2537 0 : lg->current = NULL;
2538 0 : log_destroy(lg);
2539 0 : return NULL;
2540 : }
2541 328 : lg->current = lg->current->next;
2542 328 : assert(lg->pending == NULL && lg->flush_ranges == NULL);
2543 328 : lg->pending = lg->current;
2544 328 : lg->flush_ranges = lg->current;
2545 328 : return lg;
2546 : }
2547 :
2548 : static logged_range *
2549 7970 : log_next_logfile(logger *lg, ulng ts)
2550 : {
2551 7970 : int m = (ATOMIC_GET(&GDKdebug) & TESTINGMASK) ? 1000 : 100;
2552 7970 : if (!lg->pending || !lg->pending->next)
2553 : return NULL;
2554 7970 : rotation_lock(lg);
2555 7970 : if (ATOMIC_GET(&lg->pending->refcount) == 0 && lg->pending != lg->current && lg->pending != lg->flush_ranges &&
2556 7970 : (ulng) ATOMIC_GET(&lg->pending->last_ts) == (ulng) ATOMIC_GET(&lg->pending->flushed_ts) &&
2557 7970 : (ulng) ATOMIC_GET(&lg->pending->flushed_ts) <= ts) {
2558 6679 : rotation_unlock(lg);
2559 6679 : logged_range *p = lg->pending;
2560 6679 : for (int i = 1;
2561 12262 : i < m && ATOMIC_GET(&p->refcount) == 0 && p->next && p->next != lg->current &&
2562 5613 : p->next != lg->flush_ranges && (ulng) ATOMIC_GET(&p->last_ts) == (ulng) ATOMIC_GET(&p->flushed_ts)
2563 17870 : && (ulng) ATOMIC_GET(&p->flushed_ts) <= ts; i++)
2564 5583 : p = p->next;
2565 6679 : return p;
2566 : }
2567 1291 : rotation_unlock(lg);
2568 1291 : return NULL;
2569 : }
2570 :
2571 : static void
2572 6679 : log_cleanup_range(logger *lg, ulng id)
2573 : {
2574 6679 : rotation_lock(lg);
2575 18941 : while (lg->pending && lg->pending->id <= id) {
2576 12262 : logged_range *p;
2577 12262 : p = lg->pending;
2578 12262 : if (p)
2579 12262 : lg->pending = p->next;
2580 12262 : GDKfree(p);
2581 : }
2582 6679 : rotation_unlock(lg);
2583 6679 : }
2584 :
2585 : static void
2586 68076 : do_rotate(logger *lg)
2587 : {
2588 68076 : logged_range *cur = lg->current;
2589 68076 : logged_range *next = cur->next;
2590 68076 : if (next) {
2591 12342 : assert(ATOMIC_GET(&next->refcount) == 1);
2592 12342 : lg->current = next;
2593 12342 : if (!LOG_DISABLED(lg) && ATOMIC_GET(&cur->refcount) == 1 && cur->output_log) {
2594 12155 : close_stream(cur->output_log);
2595 12155 : cur->output_log = NULL;
2596 : }
2597 : }
2598 68076 : }
2599 :
2600 : gdk_return
2601 10605 : log_activate(logger *lg)
2602 : {
2603 10605 : bool flush_cleanup = false;
2604 10605 : gdk_return res = GDK_SUCCEED;
2605 :
2606 10605 : rotation_lock(lg);
2607 10605 : const lng current_file_size = LOG_DISABLED(lg) ? 0 : (lng) getfilepos(getFile(lg->current->output_log));
2608 :
2609 10605 : if (current_file_size == -1) {
2610 0 : rotation_unlock(lg);
2611 0 : return GDK_FAIL;
2612 : }
2613 : /* file size of 2 means only endian indicator present
2614 : * (i.e. effectively empty) */
2615 10605 : if (current_file_size <= 2) {
2616 7217 : rotation_unlock(lg);
2617 7217 : return GDK_SUCCEED;
2618 : }
2619 :
2620 3388 : if (!lg->flushnow &&
2621 3388 : !lg->current->next &&
2622 3388 : current_file_size > 2 &&
2623 3388 : (ATOMIC_GET(&lg->current->drops) > (ulng)lg->max_dropped ||
2624 3381 : current_file_size > lg->max_file_size ||
2625 3341 : (GDKusec() - lg->file_age) > lg->max_file_age) &&
2626 47 : (ulng) ATOMIC_GET(&lg->current->last_ts) > 0 &&
2627 47 : lg->saved_id + 1 == lg->id &&
2628 47 : ATOMIC_GET(&lg->current->refcount) == 1 /* no pending work on this file */ ) {
2629 42 : lg->id++;
2630 : /* start new file */
2631 42 : res = log_open_output(lg);
2632 42 : flush_cleanup = true;
2633 42 : do_rotate(lg);
2634 : }
2635 42 : if (flush_cleanup)
2636 42 : (void) do_flush_range_cleanup(lg);
2637 3388 : rotation_unlock(lg);
2638 3388 : return res;
2639 : }
2640 :
2641 : gdk_return
2642 7970 : log_flush(logger *lg, ulng ts)
2643 : {
2644 7970 : logged_range *pending = log_next_logfile(lg, ts);
2645 7970 : ulng lid = pending ? pending->id : 0, olid = lg->saved_id;
2646 7970 : if (LOG_DISABLED(lg)) {
2647 0 : lg->saved_id = lid;
2648 0 : lg->saved_tid = lg->tid;
2649 0 : if (lid)
2650 0 : log_cleanup_range(lg, lg->saved_id);
2651 0 : if (log_commit(lg, NULL, NULL, 0) != GDK_SUCCEED)
2652 0 : TRC_ERROR(GDK, "failed to commit");
2653 0 : return GDK_SUCCEED;
2654 : }
2655 7970 : if (lg->saved_id >= lid)
2656 : return GDK_SUCCEED;
2657 6679 : rotation_lock(lg);
2658 6679 : ulng lgid = lg->id;
2659 6679 : rotation_unlock(lg);
2660 6679 : if (lg->saved_id + 1 >= lgid) /* logger should first release the file */
2661 : return GDK_SUCCEED;
2662 6679 : log_return res = LOG_OK;
2663 6679 : ulng cid = olid;
2664 6679 : assert(lid <= lgid);
2665 : uint32_t *updated = NULL;
2666 : BUN nupdated = 0;
2667 : size_t allocated = 0;
2668 18941 : while (cid < lid && res == LOG_OK) {
2669 12262 : if (!lg->input_log) {
2670 12262 : char *filename;
2671 12262 : char id[32];
2672 12262 : if (snprintf(id, sizeof(id), LLFMT, cid + 1) >= (int) sizeof(id)) {
2673 0 : GDKfree(updated);
2674 0 : TRC_CRITICAL(GDK, "log_id filename is too large\n");
2675 0 : return GDK_FAIL;
2676 : }
2677 12262 : if ((filename = GDKfilepath(BBPselectfarm(PERSISTENT, 0, offheap), lg->dir, LOGFILE, id)) == NULL) {
2678 0 : GDKfree(updated);
2679 0 : return GDK_FAIL;
2680 : }
2681 12262 : if (strlen(filename) >= FILENAME_MAX) {
2682 0 : GDKfree(updated);
2683 0 : TRC_CRITICAL(GDK, "Logger filename path is too large\n");
2684 0 : GDKfree(filename);
2685 0 : return GDK_FAIL;
2686 : }
2687 :
2688 12262 : bool filemissing = false;
2689 12262 : if (log_open_input(lg, filename, &filemissing) != GDK_SUCCEED) {
2690 0 : GDKfree(updated);
2691 0 : GDKfree(filename);
2692 0 : return GDK_FAIL;
2693 : }
2694 12262 : GDKfree(filename);
2695 : }
2696 : /* we read the full file because skipping is impossible with current log format */
2697 12262 : log_lock(lg);
2698 12262 : if (updated == NULL) {
2699 6679 : nupdated = BATcount(lg->catalog_id);
2700 6679 : allocated = ((nupdated + 31) & ~31) / 8;
2701 6679 : if (allocated == 0)
2702 0 : allocated = 4;
2703 6679 : updated = GDKzalloc(allocated);
2704 6679 : if (updated == NULL) {
2705 0 : log_unlock(lg);
2706 0 : return GDK_FAIL;
2707 : }
2708 5583 : } else if (nupdated < BATcount(lg->catalog_id)) {
2709 50 : BUN n = BATcount(lg->catalog_id);
2710 50 : size_t a = ((n + 31) & ~31) / 8;
2711 50 : if (a > allocated) {
2712 13 : uint32_t *p = GDKrealloc(updated, a);
2713 13 : if (p == NULL) {
2714 0 : GDKfree(updated);
2715 0 : log_unlock(lg);
2716 0 : return GDK_FAIL;
2717 : }
2718 13 : updated = p;
2719 13 : memset(updated + allocated / 4, 0, a - allocated);
2720 13 : allocated = a;
2721 : }
2722 : nupdated = n;
2723 : }
2724 12262 : lg->flushing = true;
2725 12262 : res = log_read_transaction(lg, updated, nupdated);
2726 12262 : lg->flushing = false;
2727 12262 : log_unlock(lg);
2728 12262 : if (res == LOG_EOF) {
2729 12262 : log_close_input(lg);
2730 12262 : res = LOG_OK;
2731 : }
2732 12262 : cid++;
2733 : }
2734 6679 : if (lid > olid && res == LOG_OK) {
2735 6679 : rotation_lock(lg); /* protect against concurrent log_tflush rotate check */
2736 6679 : lg->saved_id = lid;
2737 6679 : rotation_unlock(lg);
2738 6679 : if (log_commit(lg, pending, updated, nupdated) != GDK_SUCCEED) {
2739 0 : TRC_ERROR(GDK, "failed to commit");
2740 0 : res = LOG_ERR;
2741 0 : rotation_lock(lg);
2742 0 : lg->saved_id = olid; /* reset !! */
2743 0 : rotation_unlock(lg);
2744 : }
2745 0 : if (res != LOG_ERR) {
2746 18941 : while (olid < lid) {
2747 : /* Try to cleanup, remove old log file, continue on failure! */
2748 12262 : olid++;
2749 12262 : (void) log_cleanup(lg, olid);
2750 : }
2751 : }
2752 6679 : if (res == LOG_OK)
2753 6679 : log_cleanup_range(lg, lg->saved_id);
2754 : }
2755 6679 : GDKfree(updated);
2756 6679 : return res == LOG_ERR ? GDK_FAIL : GDK_SUCCEED;
2757 : }
2758 :
2759 : /* Clean-up write-ahead log files already persisted in the BATs, leaving only the most recent one.
2760 : * Only the bak- files are deleted for the preserved WAL files.
2761 : */
2762 : lng
2763 29422 : log_changes(logger *lg)
2764 : {
2765 29422 : if (LOG_DISABLED(lg))
2766 : return 0;
2767 29422 : rotation_lock(lg);
2768 29422 : lng changes = lg->id - lg->saved_id - 1;
2769 29422 : rotation_unlock(lg);
2770 29422 : return changes;
2771 : }
2772 :
2773 : int
2774 459 : log_sequence(logger *lg, int seq, lng *id)
2775 : {
2776 459 : log_lock(lg);
2777 459 : BUN p = log_find(lg->seqs_id, lg->dseqs, seq);
2778 :
2779 459 : if (p != BUN_NONE) {
2780 340 : *id = *(lng *) Tloc(lg->seqs_val, p);
2781 :
2782 340 : log_unlock(lg);
2783 340 : return 1;
2784 : }
2785 119 : log_unlock(lg);
2786 119 : return 0;
2787 : }
2788 :
2789 : gdk_return
2790 189742 : log_constant(logger *lg, int type, ptr val, log_id id, lng offset, lng cnt)
2791 : {
2792 189742 : bte tpe = find_type(lg, type);
2793 189742 : gdk_return ok = GDK_SUCCEED;
2794 189742 : logformat l;
2795 189742 : lng nr;
2796 189742 : l.flag = LOG_UPDATE_CONST;
2797 189742 : l.id = id;
2798 189742 : nr = cnt;
2799 :
2800 189742 : if (LOG_DISABLED(lg) || !nr) {
2801 : /* logging is switched off */
2802 64418 : if (nr) {
2803 64418 : log_lock(lg);
2804 64418 : ok = la_bat_update_count(lg, id, offset + cnt, lg->tid);
2805 64418 : log_unlock(lg);
2806 : }
2807 64418 : return ok;
2808 : }
2809 :
2810 125324 : gdk_return(*wt) (const void *, stream *, size_t) = BATatoms[type].atomWrite;
2811 :
2812 125324 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
2813 250648 : if (mnstr_errnr(lg->current->output_log) != MNSTR_NO__ERROR ||
2814 250648 : log_write_format(lg, &l) != GDK_SUCCEED ||
2815 250648 : !mnstr_writeLng(lg->current->output_log, nr) ||
2816 250648 : mnstr_write(lg->current->output_log, &tpe, 1, 1) != 1 ||
2817 125324 : !mnstr_writeLng(lg->current->output_log, offset)) {
2818 0 : ATOMIC_DEC(&lg->current->refcount);
2819 0 : ok = GDK_FAIL;
2820 0 : goto bailout;
2821 : }
2822 :
2823 125324 : ok = wt(val, lg->current->output_log, 1);
2824 :
2825 125324 : TRC_DEBUG(WAL, "Logged %d " LLFMT " inserts\n", id, nr);
2826 :
2827 125324 : bailout:
2828 125324 : if (ok != GDK_SUCCEED) {
2829 0 : const char *err = mnstr_peek_error(lg->current->output_log);
2830 0 : TRC_CRITICAL(GDK, "write failed%s%s\n", err ? ": " : "", err ? err : "");
2831 : }
2832 : return ok;
2833 : }
2834 :
2835 : static gdk_return
2836 19437 : string_writer(logger *lg, BAT *b, lng offset, lng nr)
2837 : {
2838 19437 : size_t bufsz = lg->wbufsize, resize = 0;
2839 19437 : BUN end = (BUN) (offset + nr);
2840 19437 : char *buf = lg->wbuf;
2841 19437 : gdk_return res = GDK_SUCCEED;
2842 :
2843 19437 : if (!buf)
2844 : return GDK_FAIL;
2845 19437 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
2846 19437 : if (mnstr_errnr(lg->current->output_log) != MNSTR_NO__ERROR)
2847 : return GDK_FAIL;
2848 19437 : BATiter bi = bat_iterator(b);
2849 19437 : BUN p = (BUN) offset;
2850 38926 : for (; p < end;) {
2851 19489 : size_t sz = 0;
2852 19489 : if (resize) {
2853 2 : if ((buf = GDKrealloc(lg->wbuf, resize)) == NULL) {
2854 : res = GDK_FAIL;
2855 : break;
2856 : }
2857 2 : lg->wbuf = buf;
2858 2 : lg->wbufsize = bufsz = resize;
2859 2 : resize = 0;
2860 : }
2861 19489 : char *dst = buf;
2862 93371 : for (; p < end && sz < bufsz; p++) {
2863 73934 : const char *s = BUNtvar(bi, p);
2864 73934 : size_t len = strlen(s) + 1;
2865 73934 : if ((sz + len) > bufsz) {
2866 52 : if (len > bufsz)
2867 2 : resize = len + bufsz;
2868 : break;
2869 : } else {
2870 73882 : memcpy(dst, s, len);
2871 73882 : dst += len;
2872 73882 : sz += len;
2873 : }
2874 : }
2875 38976 : if (sz &&
2876 38974 : (!mnstr_writeLng(lg->current->output_log, (lng) sz) ||
2877 19487 : mnstr_write(lg->current->output_log, buf, sz, 1) != 1)) {
2878 : res = GDK_FAIL;
2879 : break;
2880 : }
2881 : }
2882 19437 : bat_iterator_end(&bi);
2883 19437 : return res;
2884 : }
2885 :
2886 : static gdk_return
2887 501441 : internal_log_bat(logger *lg, BAT *b, log_id id, lng offset, lng cnt, int sliced, lng total_cnt)
2888 : {
2889 501441 : bte tpe = find_type(lg, b->ttype);
2890 501441 : gdk_return ok = GDK_SUCCEED;
2891 501441 : logformat l;
2892 501441 : BUN p;
2893 501441 : lng nr;
2894 501441 : l.flag = LOG_UPDATE_BULK;
2895 501441 : l.id = id;
2896 501441 : nr = cnt;
2897 :
2898 501441 : if (LOG_DISABLED(lg) || !nr) {
2899 : /* logging is switched off */
2900 203168 : if (nr)
2901 148892 : return la_bat_update_count(lg, id, offset + cnt, lg->tid);
2902 : return GDK_SUCCEED;
2903 : }
2904 :
2905 268829 : gdk_return(*wt) (const void *, stream *, size_t) = BATatoms[b->ttype].atomWrite;
2906 :
2907 268829 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
2908 268829 : if (mnstr_errnr(lg->current->output_log) != MNSTR_NO__ERROR) {
2909 0 : ok = GDK_FAIL;
2910 0 : goto bailout;
2911 : }
2912 :
2913 268829 : if (lg->total_cnt == 0) /* signals single bulk message or first part of bat logged in parts */
2914 537450 : if (log_write_format(lg, &l) != GDK_SUCCEED ||
2915 665873 : !mnstr_writeLng(lg->current->output_log, total_cnt ? total_cnt : cnt) ||
2916 537450 : mnstr_write(lg->current->output_log, &tpe, 1, 1) != 1 ||
2917 409027 : !mnstr_writeLng(lg->current->output_log, total_cnt ? -1 : offset)) { /* offset = -1 indicates bat was logged in parts */
2918 0 : ok = GDK_FAIL;
2919 0 : goto bailout;
2920 : }
2921 268829 : if (!total_cnt)
2922 128423 : total_cnt = cnt;
2923 268829 : lg->total_cnt += cnt;
2924 :
2925 268829 : if (lg->total_cnt == total_cnt) /* This is the last to be logged part of this bat, we can already reset the total_cnt */
2926 268725 : lg->total_cnt = 0;
2927 :
2928 : /* if offset is just for the log, but BAT is already sliced, reset offset */
2929 268829 : if (sliced)
2930 1482 : offset = 0;
2931 268829 : if (b->ttype == TYPE_msk) {
2932 0 : BATiter bi = bat_iterator(b);
2933 0 : if (offset % 32 == 0) {
2934 0 : if (!mnstr_writeIntArray(lg->current->output_log, (int *) ((char *) bi.base + offset / 32),
2935 0 : (size_t) ((nr + 31) / 32)))
2936 0 : ok = GDK_FAIL;
2937 : } else {
2938 0 : for (lng i = 0; i < nr; i += 32) {
2939 : uint32_t v = 0;
2940 0 : for (int j = 0; j < 32 && i + j < nr; j++)
2941 0 : v |= (uint32_t) Tmskval(&bi, (BUN) (offset + i + j)) << j;
2942 0 : if (!mnstr_writeInt(lg->current->output_log, (int) v)) {
2943 : ok = GDK_FAIL;
2944 : break;
2945 : }
2946 : }
2947 : }
2948 0 : bat_iterator_end(&bi);
2949 517585 : } else if (b->ttype < TYPE_str && !isVIEW(b)) {
2950 248756 : BATiter bi = bat_iterator(b);
2951 248756 : const void *t = BUNtail(bi, (BUN) offset);
2952 :
2953 248756 : ok = wt(t, lg->current->output_log, (size_t) nr);
2954 248756 : bat_iterator_end(&bi);
2955 20073 : } else if (b->ttype == TYPE_str) {
2956 : /* efficient string writes */
2957 19431 : ok = string_writer(lg, b, offset, nr);
2958 : } else {
2959 642 : BATiter bi = bat_iterator(b);
2960 642 : BUN end = (BUN) (offset + nr);
2961 1642 : for (p = (BUN) offset; p < end && ok == GDK_SUCCEED; p++) {
2962 1000 : const void *t = BUNtail(bi, p);
2963 :
2964 1000 : ok = wt(t, lg->current->output_log, 1);
2965 : }
2966 642 : bat_iterator_end(&bi);
2967 : }
2968 :
2969 268829 : TRC_DEBUG(WAL, "Logged %d " LLFMT " inserts\n", id, nr);
2970 :
2971 268829 : bailout:
2972 268829 : if (ok != GDK_SUCCEED) {
2973 0 : ATOMIC_DEC(&lg->current->refcount);
2974 0 : const char *err = mnstr_peek_error(lg->current->output_log);
2975 0 : TRC_CRITICAL(GDK, "write failed%s%s\n", err ? ": " : "", err ? err : "");
2976 : }
2977 : return ok;
2978 : }
2979 :
2980 : /*
2981 : * Changes made to the BAT descriptor should be stored in the log
2982 : * files. Actually, we need to save the descriptor file, perhaps we
2983 : * should simply introduce a versioning scheme.
2984 : */
2985 : gdk_return
2986 235755 : log_bat_persists(logger *lg, BAT *b, log_id id)
2987 : {
2988 235755 : log_lock(lg);
2989 235755 : bte ta = find_type(lg, b->ttype);
2990 235755 : logformat l;
2991 :
2992 235755 : if (log_add_bat(lg, b, id, -1) != GDK_SUCCEED) {
2993 0 : log_unlock(lg);
2994 0 : if (!LOG_DISABLED(lg))
2995 0 : ATOMIC_DEC(&lg->current->refcount);
2996 0 : return GDK_FAIL;
2997 : }
2998 :
2999 235755 : l.flag = LOG_CREATE;
3000 235755 : l.id = id;
3001 235755 : if (!LOG_DISABLED(lg)) {
3002 156373 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
3003 312746 : if (mnstr_errnr(lg->current->output_log) != MNSTR_NO__ERROR ||
3004 312746 : log_write_format(lg, &l) != GDK_SUCCEED ||
3005 156373 : mnstr_write(lg->current->output_log, &ta, 1, 1) != 1) {
3006 0 : log_unlock(lg);
3007 0 : ATOMIC_DEC(&lg->current->refcount);
3008 0 : return GDK_FAIL;
3009 : }
3010 : }
3011 235755 : TRC_DEBUG(WAL, "id (%d) bat (%d)\n", id, b->batCacheid);
3012 235755 : gdk_return r = internal_log_bat(lg, b, id, 0, BATcount(b), 0, 0);
3013 235755 : log_unlock(lg);
3014 235755 : if (r != GDK_SUCCEED)
3015 0 : ATOMIC_DEC(&lg->current->refcount);
3016 : return r;
3017 : }
3018 :
3019 : gdk_return
3020 22118 : log_bat_transient(logger *lg, log_id id)
3021 : {
3022 22118 : log_lock(lg);
3023 22118 : log_bid bid = internal_find_bat(lg, id, -1);
3024 22118 : logformat l;
3025 :
3026 22118 : if (bid < 0) {
3027 0 : log_unlock(lg);
3028 0 : return GDK_FAIL;
3029 : }
3030 22118 : if (!bid) {
3031 0 : GDKerror("log_bat_transient failed to find bid for object %d\n", id);
3032 0 : log_unlock(lg);
3033 0 : return GDK_FAIL;
3034 : }
3035 22118 : l.flag = LOG_DESTROY;
3036 22118 : l.id = id;
3037 :
3038 22118 : if (!LOG_DISABLED(lg)) {
3039 10208 : if (log_write_format(lg, &l) != GDK_SUCCEED) {
3040 0 : TRC_CRITICAL(GDK, "write failed\n");
3041 0 : log_unlock(lg);
3042 0 : ATOMIC_DEC(&lg->current->refcount);
3043 0 : return GDK_FAIL;
3044 : }
3045 : }
3046 22118 : TRC_DEBUG(WAL, "Logged destroyed bat (%d) %d\n", id, bid);
3047 22118 : BAT *b = BBPquickdesc(bid);
3048 22118 : assert(b);
3049 22118 : BUN cnt = BATcount(b);
3050 22118 : ATOMIC_ADD(&lg->current->drops, cnt);
3051 22118 : gdk_return r = log_del_bat(lg, bid);
3052 22118 : log_unlock(lg);
3053 22118 : if (r != GDK_SUCCEED)
3054 0 : ATOMIC_DEC(&lg->current->refcount);
3055 : return r;
3056 : }
3057 :
3058 : static gdk_return
3059 117026 : log_bat_group(logger *lg, log_id id)
3060 : {
3061 117026 : if (LOG_DISABLED(lg))
3062 : return GDK_SUCCEED;
3063 :
3064 76324 : logformat l;
3065 76324 : l.flag = LOG_BAT_GROUP;
3066 76324 : l.id = id;
3067 76324 : gdk_return r = log_write_format(lg, &l);
3068 76324 : return r;
3069 : }
3070 :
3071 : gdk_return
3072 58513 : log_bat_group_start(logger *lg, log_id id)
3073 : {
3074 : /*positive table id represent start of logged table */
3075 58513 : return log_bat_group(lg, id);
3076 : }
3077 :
3078 : gdk_return
3079 58513 : log_bat_group_end(logger *lg, log_id id)
3080 : {
3081 : /*negative table id represent end of logged table */
3082 58513 : return log_bat_group(lg, -id);
3083 : }
3084 :
3085 : gdk_return
3086 263005 : log_bat(logger *lg, BAT *b, log_id id, lng offset, lng cnt, lng total_cnt)
3087 : {
3088 263005 : log_lock(lg);
3089 263005 : gdk_return r = internal_log_bat(lg, b, id, offset, cnt, 0, total_cnt);
3090 263005 : log_unlock(lg);
3091 263005 : return r;
3092 : }
3093 :
3094 : gdk_return
3095 2741 : log_delta(logger *lg, BAT *uid, BAT *uval, log_id id)
3096 : {
3097 2741 : log_lock(lg);
3098 2741 : bte tpe = find_type(lg, uval->ttype);
3099 2741 : gdk_return ok = GDK_SUCCEED;
3100 2741 : logformat l;
3101 2741 : BUN p;
3102 2741 : lng nr;
3103 :
3104 2741 : if (BATtdense(uid)) {
3105 2681 : ok = internal_log_bat(lg, uval, id, uid->tseqbase, BATcount(uval), 1, 0);
3106 2681 : log_unlock(lg);
3107 2681 : if (!LOG_DISABLED(lg) && ok != GDK_SUCCEED)
3108 0 : ATOMIC_DEC(&lg->current->refcount);
3109 2681 : return ok;
3110 : }
3111 :
3112 60 : assert(uid->ttype == TYPE_oid || uid->ttype == TYPE_void);
3113 :
3114 60 : l.flag = LOG_UPDATE;
3115 60 : l.id = id;
3116 60 : nr = (BATcount(uval));
3117 60 : assert(nr);
3118 :
3119 60 : if (LOG_DISABLED(lg)) {
3120 : /* logging is switched off */
3121 41 : log_unlock(lg);
3122 41 : return GDK_SUCCEED;
3123 : }
3124 :
3125 19 : BATiter vi = bat_iterator(uval);
3126 19 : gdk_return(*wh) (const void *, stream *, size_t) = BATatoms[TYPE_oid].atomWrite;
3127 19 : gdk_return(*wt) (const void *, stream *, size_t) = BATatoms[uval->ttype].atomWrite;
3128 :
3129 19 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
3130 38 : if (mnstr_errnr(lg->current->output_log) != MNSTR_NO__ERROR ||
3131 38 : log_write_format(lg, &l) != GDK_SUCCEED ||
3132 38 : !mnstr_writeLng(lg->current->output_log, nr) ||
3133 19 : mnstr_write(lg->current->output_log, &tpe, 1, 1) != 1) {
3134 0 : ok = GDK_FAIL;
3135 0 : goto bailout;
3136 : }
3137 1074 : for (p = 0; p < BATcount(uid) && ok == GDK_SUCCEED; p++) {
3138 1055 : const oid id = BUNtoid(uid, p);
3139 :
3140 1055 : ok = wh(&id, lg->current->output_log, 1);
3141 : }
3142 19 : if (uval->ttype == TYPE_msk) {
3143 0 : if (!mnstr_writeIntArray(lg->current->output_log, vi.base,
3144 0 : (BATcount(uval) + 31) / 32))
3145 0 : ok = GDK_FAIL;
3146 32 : } else if (uval->ttype < TYPE_str && !isVIEW(uval)) {
3147 13 : const void *t = BUNtail(vi, 0);
3148 :
3149 13 : ok = wt(t, lg->current->output_log, (size_t) nr);
3150 6 : } else if (uval->ttype == TYPE_str) {
3151 : /* efficient string writes */
3152 6 : ok = string_writer(lg, uval, 0, nr);
3153 : } else {
3154 0 : for (p = 0; p < BATcount(uid) && ok == GDK_SUCCEED; p++) {
3155 0 : const void *val = BUNtail(vi, p);
3156 :
3157 0 : ok = wt(val, lg->current->output_log, 1);
3158 : }
3159 : }
3160 :
3161 19 : TRC_DEBUG(WAL, "Logged %d " LLFMT " inserts\n", id, nr);
3162 :
3163 19 : bailout:
3164 19 : bat_iterator_end(&vi);
3165 19 : if (ok != GDK_SUCCEED) {
3166 0 : const char *err = mnstr_peek_error(lg->current->output_log);
3167 0 : TRC_CRITICAL(GDK, "write failed%s%s\n", err ? ": " : "", err ? err : "");
3168 0 : ATOMIC_DEC(&lg->current->refcount);
3169 : }
3170 19 : log_unlock(lg);
3171 19 : return ok;
3172 : }
3173 :
3174 : static inline bool
3175 56796 : check_rotation_conditions(logger *lg)
3176 : {
3177 56796 : if (LOG_DISABLED(lg))
3178 : return false;
3179 :
3180 56793 : if (lg->current->next)
3181 : return false; /* do not rotate if there is already a prepared next current */
3182 56793 : if (mnstr_errnr(lg->current->output_log) != MNSTR_NO__ERROR)
3183 : return true;
3184 56793 : const lng current_file_size = (lng) getfilepos(getFile(lg->current->output_log));
3185 :
3186 56793 : if (current_file_size == -1)
3187 : return false;
3188 :
3189 56793 : assert(current_file_size >= 0);
3190 :
3191 56793 : if (current_file_size == 2)
3192 : return false;
3193 :
3194 2634 : bool res = (lg->saved_id + 1 >= lg->id && ATOMIC_GET(&lg->current->drops) > (ulng)lg->max_dropped) ||
3195 57025 : current_file_size > lg->max_file_size ||
3196 49921 : (GDKusec() - lg->file_age) > lg->max_file_age;
3197 :
3198 54396 : return res;
3199 : }
3200 :
3201 : gdk_return
3202 62415 : log_tend(logger *lg)
3203 : {
3204 62415 : TRC_DEBUG(WAL, "tend %d\n", lg->tid);
3205 :
3206 62415 : if (LOG_DISABLED(lg))
3207 : return GDK_SUCCEED;
3208 :
3209 56793 : gdk_return result;
3210 56793 : logformat l;
3211 56793 : l.flag = LOG_END;
3212 56793 : l.id = lg->tid;
3213 :
3214 56793 : if ((result = log_write_format(lg, &l)) == GDK_SUCCEED)
3215 56793 : ATOMIC_INC(&lg->nr_flushers);
3216 : return result;
3217 : }
3218 :
3219 : #define flush_lock(lg) MT_lock_set(&(lg)->flush_lock)
3220 : #define flush_unlock(lg) MT_lock_unset(&(lg)->flush_lock)
3221 :
3222 : static inline gdk_return
3223 56059 : do_flush(logged_range *range)
3224 : {
3225 : /* assumes flush lock */
3226 56059 : stream *output_log = range->output_log;
3227 56059 : ulng ts = ATOMIC_GET(&range->last_ts);
3228 :
3229 56059 : if (mnstr_flush(output_log, MNSTR_FLUSH_DATA) ||
3230 56059 : (!(ATOMIC_GET(&GDKdebug) & NOSYNCMASK) && mnstr_fsync(output_log)))
3231 0 : return GDK_FAIL;
3232 56059 : ATOMIC_SET(&range->flushed_ts, ts);
3233 56059 : return GDK_SUCCEED;
3234 : }
3235 :
3236 : static inline void
3237 62412 : log_tdone(logger *lg, logged_range *range, ulng commit_ts)
3238 : {
3239 62412 : (void) lg;
3240 62412 : TRC_DEBUG(WAL, "tdone " LLFMT "\n", commit_ts);
3241 :
3242 62412 : if ((ulng) ATOMIC_GET(&range->last_ts) < commit_ts)
3243 61678 : ATOMIC_SET(&range->last_ts, commit_ts);
3244 62412 : }
3245 :
3246 : gdk_return
3247 62415 : log_tflush(logger *lg, ulng file_id, ulng commit_ts)
3248 : {
3249 62415 : rotation_lock(lg);
3250 62415 : if (lg->flushnow) {
3251 5619 : logged_range *p = lg->current;
3252 5619 : assert(lg->flush_ranges == lg->current);
3253 5619 : assert(ATOMIC_GET(&lg->current->flushed_ts) == ATOMIC_GET(&lg->current->last_ts));
3254 5619 : log_tdone(lg, lg->current, commit_ts);
3255 5619 : ATOMIC_SET(&lg->current->flushed_ts, commit_ts);
3256 5619 : lg->id++;
3257 5619 : lg->flushnow = false;
3258 5619 : if (log_open_output(lg) != GDK_SUCCEED)
3259 0 : GDKfatal("Could not create new log file\n"); /* TODO: does not have to be fatal (yet) */
3260 5619 : do_rotate(lg);
3261 5619 : (void) do_flush_range_cleanup(lg);
3262 5619 : assert(lg->flush_ranges == lg->current);
3263 5619 : rotation_unlock(lg);
3264 5619 : return log_commit(lg, p, NULL, 0);
3265 : }
3266 :
3267 56796 : if (LOG_DISABLED(lg)) {
3268 3 : rotation_unlock(lg);
3269 3 : return GDK_SUCCEED;
3270 : }
3271 :
3272 56793 : logged_range *frange = do_flush_range_cleanup(lg);
3273 :
3274 57052 : while (frange->next && frange->id < file_id) {
3275 : assert(frange->next);
3276 : frange = frange->next;
3277 : }
3278 :
3279 56793 : log_tdone(lg, frange, commit_ts);
3280 :
3281 56793 : if ((ulng) ATOMIC_GET(&frange->flushed_ts) < commit_ts) {
3282 : /* delay needed ? */
3283 :
3284 56059 : flush_lock(lg);
3285 : /* check it one more time */
3286 56059 : if ((ulng) ATOMIC_GET(&frange->flushed_ts) < commit_ts)
3287 56059 : do_flush(frange);
3288 56059 : flush_unlock(lg);
3289 : }
3290 : /* else somebody else has flushed our log file */
3291 :
3292 56793 : if (ATOMIC_DEC(&frange->refcount) == 1 && !LOG_DISABLED(lg)) {
3293 54917 : if (frange != lg->current && frange->output_log) {
3294 187 : close_stream(frange->output_log);
3295 187 : frange->output_log = NULL;
3296 : }
3297 : }
3298 :
3299 56793 : if (ATOMIC_DEC(&lg->nr_flushers) == 0) {
3300 : /* I am the last flusher
3301 : * if present,
3302 : * wake up the exclusive flusher in log_tstart */
3303 : /* rotation_lock is still being held */
3304 55215 : MT_cond_signal(&lg->excl_flush_cv);
3305 : }
3306 56793 : rotation_unlock(lg);
3307 :
3308 56793 : return GDK_SUCCEED;
3309 : }
3310 :
3311 : static gdk_return
3312 6883 : log_tsequence_(logger *lg, int seq, lng val)
3313 : {
3314 6883 : logformat l;
3315 :
3316 6883 : if (LOG_DISABLED(lg))
3317 : return GDK_SUCCEED;
3318 2823 : l.flag = LOG_SEQ;
3319 2823 : l.id = seq;
3320 :
3321 2823 : TRC_DEBUG(WAL, "tsequence(%d," LLFMT ")\n", seq, val);
3322 :
3323 2823 : assert(mnstr_errnr(lg->current->output_log) == MNSTR_NO__ERROR);
3324 5646 : if (mnstr_errnr(lg->current->output_log) != MNSTR_NO__ERROR ||
3325 5646 : log_write_format(lg, &l) != GDK_SUCCEED ||
3326 2823 : !mnstr_writeLng(lg->current->output_log, val)) {
3327 0 : TRC_CRITICAL(GDK, "write failed\n");
3328 0 : ATOMIC_DEC(&lg->current->refcount);
3329 0 : return GDK_FAIL;
3330 : }
3331 : return GDK_SUCCEED;
3332 : }
3333 :
3334 : /* a transaction in it self */
3335 : gdk_return
3336 6883 : log_tsequence(logger *lg, int seq, lng val)
3337 : {
3338 6883 : BUN p;
3339 :
3340 6883 : TRC_DEBUG(WAL, "tsequence(%d," LLFMT ")\n", seq, val);
3341 :
3342 6883 : log_lock(lg);
3343 6883 : MT_lock_set(&lg->seqs_id->theaplock);
3344 6883 : BUN inserted = lg->seqs_id->batInserted;
3345 6883 : MT_lock_unset(&lg->seqs_id->theaplock);
3346 6883 : if ((p = log_find(lg->seqs_id, lg->dseqs, seq)) != BUN_NONE && p >= inserted) {
3347 1625 : assert(lg->seqs_val->hseqbase == 0);
3348 1625 : if (BUNreplace(lg->seqs_val, p, &val, true) != GDK_SUCCEED) {
3349 0 : log_unlock(lg);
3350 0 : return GDK_FAIL;
3351 : }
3352 : } else {
3353 4896 : if (p != BUN_NONE) {
3354 4896 : oid pos = p;
3355 4896 : if (BUNappend(lg->dseqs, &pos, true) != GDK_SUCCEED) {
3356 0 : log_unlock(lg);
3357 0 : return GDK_FAIL;
3358 : }
3359 : }
3360 10516 : if (BUNappend(lg->seqs_id, &seq, true) != GDK_SUCCEED ||
3361 5258 : BUNappend(lg->seqs_val, &val, true) != GDK_SUCCEED) {
3362 0 : log_unlock(lg);
3363 0 : return GDK_FAIL;
3364 : }
3365 : }
3366 6883 : gdk_return r = log_tsequence_(lg, seq, val);
3367 6883 : log_unlock(lg);
3368 6883 : return r;
3369 : }
3370 :
3371 : static gdk_return
3372 12627 : bm_commit(logger *lg, logged_range *pending, uint32_t *updated, BUN maxupdated)
3373 : {
3374 12627 : log_lock(lg);
3375 12627 : BAT *b = lg->catalog_bid;
3376 12627 : const log_bid *bids;
3377 :
3378 12627 : bids = (log_bid *) Tloc(b, 0);
3379 248324 : for (BUN p = b->batInserted, cnt = pending ? pending->cnt : BATcount(b); p < cnt; p++) {
3380 235697 : log_bid bid = bids[p];
3381 235697 : BAT *lb = BBP_desc(bid);
3382 :
3383 235697 : assert(bid);
3384 235697 : if (lb->batCacheid == 0 || BATmode(lb, false) != GDK_SUCCEED) {
3385 0 : GDKwarning("Failed to set bat (%d%s) persistent\n", bid, !lb ? " gone" : "");
3386 0 : log_unlock(lg);
3387 0 : return GDK_FAIL;
3388 : }
3389 :
3390 235697 : assert(lb->batRestricted != BAT_WRITE);
3391 :
3392 235697 : TRC_DEBUG(WAL, "create %d (%d)\n", bid, BBP_lrefs(bid));
3393 : }
3394 : /* bm_subcommit releases the lock */
3395 12627 : return bm_subcommit(lg, pending, updated, maxupdated);
3396 : }
3397 :
3398 : static gdk_return
3399 236008 : log_add_bat(logger *lg, BAT *b, log_id id, int tid)
3400 : {
3401 236008 : log_bid bid = internal_find_bat(lg, id, tid);
3402 236008 : lng cnt = 0;
3403 236008 : lng lid = lng_nil;
3404 :
3405 236008 : assert(b->batRestricted != BAT_WRITE);
3406 236008 : assert(b->batRole == PERSISTENT);
3407 236008 : if (bid < 0)
3408 : return GDK_FAIL;
3409 236008 : if (bid) {
3410 155081 : if (bid != b->batCacheid) {
3411 155078 : if (log_del_bat(lg, bid) != GDK_SUCCEED)
3412 : return GDK_FAIL;
3413 : } else {
3414 : return GDK_SUCCEED;
3415 : }
3416 : }
3417 236005 : bid = b->batCacheid;
3418 236005 : TRC_DEBUG(WAL, "create %d\n", id);
3419 236005 : assert(log_find(lg->catalog_bid, lg->dcatalog, bid) == BUN_NONE);
3420 472010 : if (BUNappend(lg->catalog_bid, &bid, true) != GDK_SUCCEED ||
3421 472010 : BUNappend(lg->catalog_id, &id, true) != GDK_SUCCEED ||
3422 472010 : BUNappend(lg->catalog_cnt, &cnt, false) != GDK_SUCCEED ||
3423 236005 : BUNappend(lg->catalog_lid, &lid, false) != GDK_SUCCEED)
3424 0 : return GDK_FAIL;
3425 236005 : if (lg->current)
3426 235752 : lg->current->cnt++;
3427 236005 : BBPretain(bid);
3428 236005 : return GDK_SUCCEED;
3429 : }
3430 :
3431 : static gdk_return
3432 177236 : log_del_bat(logger *lg, log_bid bid)
3433 : {
3434 177236 : BUN p = log_find(lg->catalog_bid, lg->dcatalog, bid);
3435 177236 : lng lid = lg->tid;
3436 :
3437 177236 : assert(p != BUN_NONE);
3438 177236 : if (p == BUN_NONE) {
3439 : GDKerror("cannot find BAT\n");
3440 : return GDK_FAIL;
3441 : }
3442 :
3443 177236 : assert(lg->catalog_lid->hseqbase == 0);
3444 177236 : return BUNreplace(lg->catalog_lid, p, &lid, false);
3445 : }
3446 :
3447 : /* returns -1 on failure, 0 when not found, > 0 when found */
3448 : log_bid
3449 26898 : log_find_bat(logger *lg, log_id id)
3450 : {
3451 26898 : log_lock(lg);
3452 26898 : log_bid bid = internal_find_bat(lg, id, -1);
3453 26898 : log_unlock(lg);
3454 26898 : if (!bid) {
3455 0 : GDKerror("logger_find_bat failed to find bid for object %d\n", id);
3456 0 : return GDK_FAIL;
3457 : }
3458 : return bid;
3459 : }
3460 :
3461 :
3462 :
3463 : gdk_return
3464 62416 : log_tstart(logger *lg, bool flushnow, ulng *file_id)
3465 : {
3466 62416 : rotation_lock(lg);
3467 62416 : if (flushnow) {
3468 5620 : if (file_id == NULL) {
3469 : /* special case: ask store_manager to rotate log file */
3470 1 : lg->file_age = 0;
3471 1 : rotation_unlock(lg);
3472 1 : return GDK_SUCCEED;
3473 : }
3474 : /* I am now the exclusive flusher */
3475 5619 : while (ATOMIC_GET(&lg->nr_flushers)) {
3476 : /* I am waiting until all existing flushers are done */
3477 0 : MT_cond_wait(&lg->excl_flush_cv, &lg->rotation_lock);
3478 : }
3479 5619 : assert(ATOMIC_GET(&lg->nr_flushers) == 0);
3480 :
3481 5619 : if (ATOMIC_GET(&lg->current->last_ts)) {
3482 2205 : lg->id++;
3483 2205 : if (log_open_output(lg) != GDK_SUCCEED)
3484 0 : GDKfatal("Could not create new log file\n"); /* TODO: does not have to be fatal (yet) */
3485 : }
3486 5619 : do_rotate(lg);
3487 5619 : (void) do_flush_range_cleanup(lg);
3488 5619 : rotation_unlock(lg);
3489 :
3490 5619 : if (lg->saved_id + 1 < lg->id)
3491 5145 : log_flush(lg, (1ULL << 63));
3492 5619 : lg->flushnow = flushnow;
3493 : } else {
3494 56796 : if (check_rotation_conditions(lg)) {
3495 4476 : lg->id++;
3496 4476 : if (log_open_output(lg) != GDK_SUCCEED)
3497 0 : GDKfatal("Could not create new log file\n"); /* TODO: does not have to be fatal (yet) */
3498 : }
3499 56796 : do_rotate(lg);
3500 56796 : rotation_unlock(lg);
3501 : }
3502 :
3503 62415 : if (LOG_DISABLED(lg))
3504 : return GDK_SUCCEED;
3505 :
3506 56793 : ATOMIC_INC(&lg->current->refcount);
3507 56793 : *file_id = lg->current->id;
3508 56793 : logformat l;
3509 56793 : l.flag = LOG_START;
3510 56793 : l.id = ++lg->tid;
3511 :
3512 56793 : TRC_DEBUG(WAL, "tstart %d\n", lg->tid);
3513 56793 : if (log_write_format(lg, &l) != GDK_SUCCEED) {
3514 0 : ATOMIC_DEC(&lg->current->refcount);
3515 0 : return GDK_FAIL;
3516 : }
3517 :
3518 : return GDK_SUCCEED;
3519 : }
3520 :
3521 : void
3522 116 : log_printinfo(logger *lg)
3523 : {
3524 116 : if (!rotation_trylock(lg, 1000)) {
3525 0 : printf("Logger is currently locked, so no logger information\n");
3526 0 : return;
3527 : }
3528 116 : printf("logger %s:\n", lg->fn);
3529 116 : printf("current log file "ULLFMT", last handled log file "ULLFMT"\n",
3530 : lg->id, lg->saved_id);
3531 116 : printf("current transaction id %d, saved transaction id %d\n",
3532 : lg->tid, lg->saved_tid);
3533 116 : printf("number of flushers: %d\n", (int) ATOMIC_GET(&lg->nr_flushers));
3534 116 : printf("number of catalog entries "BUNFMT", of which "BUNFMT" deleted\n",
3535 116 : lg->catalog_bid->batCount, lg->dcatalog->batCount);
3536 295 : for (logged_range *p = lg->pending; p; p = p->next) {
3537 179 : char buf[32];
3538 179 : if ((lg->debug & 128 || lg->inmemory) ||
3539 179 : p->output_log == NULL ||
3540 116 : snprintf(buf, sizeof(buf), ", file size %"PRIu64, (uint64_t) getfilepos(getFile(lg->current->output_log))) >= (int) sizeof(buf))
3541 63 : buf[0] = 0;
3542 242 : printf("pending range "ULLFMT": drops %"PRIu64", last_ts %"PRIu64", flushed_ts %"PRIu64", refcount %"PRIu64"%s%s\n", p->id, (uint64_t) ATOMIC_GET(&p->drops), (uint64_t) ATOMIC_GET(&p->last_ts), (uint64_t) ATOMIC_GET(&p->flushed_ts), (uint64_t) ATOMIC_GET(&p->refcount), buf, p == lg->current ? " (current)" : "");
3543 : }
3544 116 : rotation_unlock(lg);
3545 : }
|
