1/*-
2 * See the file LICENSE for redistribution information.
3 *
4 * Copyright (c) 1997,2008 Oracle.  All rights reserved.
5 *
6 * $Id: ex_tpcb.c,v 12.11 2008/04/21 23:46:02 alexg Exp $
7 */
8
9#include <sys/types.h>
10
11#include <errno.h>
12#include <stdlib.h>
13#include <string.h>
14#include <time.h>
15
16#define	NS_PER_MS	1000000		/* Nanoseconds in a millisecond */
17#define	NS_PER_US	1000		/* Nanoseconds in a microsecond */
18#ifdef _WIN32
19#include <sys/timeb.h>
20extern int getopt(int, char * const *, const char *);
21/* Implement a basic high res timer with a POSIX interface for Windows. */
22struct timeval {
23	time_t tv_sec;
24	long tv_usec;
25};
26int gettimeofday(struct timeval *tv, struct timezone *tz)
27{
28	struct _timeb now;
29	_ftime(&now);
30	tv->tv_sec = now.time;
31	tv->tv_usec = now.millitm * NS_PER_US;
32	return (0);
33}
34#else
35#include <unistd.h>
36#include <sys/time.h>
37#endif
38
39#include <db.h>
40
41typedef enum { ACCOUNT, BRANCH, TELLER } FTYPE;
42
43DB_ENV	 *db_init __P((const char *, const char *, int, u_int32_t));
44int	  hpopulate __P((DB *, int, int, int, int));
45int	  populate __P((DB *, u_int32_t, u_int32_t, int, const char *));
46u_int32_t random_id __P((FTYPE, int, int, int));
47u_int32_t random_int __P((u_int32_t, u_int32_t));
48int	  tp_populate __P((DB_ENV *, int, int, int, int, int));
49int	  tp_run __P((DB_ENV *, int, int, int, int, int));
50int	  tp_txn __P((DB_ENV *, DB *, DB *, DB *, DB *, int, int, int, int));
51
52int	  invarg __P((const char *, int, const char *));
53int	  main __P((int, char *[]));
54int	  usage __P((const char *));
55
56/*
57 * This program implements a basic TPC/B driver program.  To create the
58 * TPC/B database, run with the -i (init) flag.  The number of records
59 * with which to populate the account, history, branch, and teller tables
60 * is specified by the a, s, b, and t flags respectively.  To run a TPC/B
61 * test, use the n flag to indicate a number of transactions to run (note
62 * that you can run many of these processes in parallel to simulate a
63 * multiuser test run).
64 */
65#define	TELLERS_PER_BRANCH	10
66#define	ACCOUNTS_PER_TELLER	10000
67#define	HISTORY_PER_BRANCH	2592000
68
69/*
70 * The default configuration that adheres to TPCB scaling rules requires
71 * nearly 3 GB of space.  To avoid requiring that much space for testing,
72 * we set the parameters much lower.  If you want to run a valid 10 TPS
73 * configuration, define VALID_SCALING.
74 */
75#ifdef	VALID_SCALING
76#define	ACCOUNTS	 1000000
77#define	BRANCHES	      10
78#define	TELLERS		     100
79#define	HISTORY		25920000
80#endif
81
82#ifdef	TINY
83#define	ACCOUNTS	    1000
84#define	BRANCHES	      10
85#define	TELLERS		     100
86#define	HISTORY		   10000
87#endif
88
89#ifdef	VERY_TINY
90#define	ACCOUNTS	     500
91#define	BRANCHES	      10
92#define	TELLERS		      50
93#define	HISTORY		    5000
94#endif
95
96#if !defined(VALID_SCALING) && !defined(TINY) && !defined(VERY_TINY)
97#define	ACCOUNTS	  100000
98#define	BRANCHES	      10
99#define	TELLERS		     100
100#define	HISTORY		  259200
101#endif
102
103#define	HISTORY_LEN	    100
104#define	RECLEN		    100
105#define	BEGID		1000000
106
107typedef struct _defrec {
108	u_int32_t	id;
109	u_int32_t	balance;
110	u_int8_t	pad[RECLEN - sizeof(u_int32_t) - sizeof(u_int32_t)];
111} defrec;
112
113typedef struct _histrec {
114	u_int32_t	aid;
115	u_int32_t	bid;
116	u_int32_t	tid;
117	u_int32_t	amount;
118	u_int8_t	pad[RECLEN - 4 * sizeof(u_int32_t)];
119} histrec;
120
121char *progname = "ex_tpcb";			/* Program name. */
122
123int
124main(argc, argv)
125	int argc;
126	char *argv[];
127{
128	extern char *optarg;
129	extern int optind;
130	DB_ENV *dbenv;
131	int accounts, branches, seed, tellers, history;
132	int ch, iflag, mpool, ntxns, ret, txn_no_sync, verbose;
133	const char *home;
134
135	home = "TESTDIR";
136	accounts = branches = history = tellers = 0;
137	iflag = mpool = ntxns = txn_no_sync = verbose = 0;
138	seed = (int)time(NULL);
139
140	while ((ch = getopt(argc, argv, "a:b:c:fh:in:S:s:t:v")) != EOF)
141		switch (ch) {
142		case 'a':			/* Number of account records */
143			if ((accounts = atoi(optarg)) <= 0)
144				return (invarg(progname, ch, optarg));
145			break;
146		case 'b':			/* Number of branch records */
147			if ((branches = atoi(optarg)) <= 0)
148				return (invarg(progname, ch, optarg));
149			break;
150		case 'c':			/* Cachesize in bytes */
151			if ((mpool = atoi(optarg)) <= 0)
152				return (invarg(progname, ch, optarg));
153			break;
154		case 'f':			/* Fast mode: no txn sync. */
155			txn_no_sync = 1;
156			break;
157		case 'h':			/* DB  home. */
158			home = optarg;
159			break;
160		case 'i':			/* Initialize the test. */
161			iflag = 1;
162			break;
163		case 'n':			/* Number of transactions */
164			if ((ntxns = atoi(optarg)) <= 0)
165				return (invarg(progname, ch, optarg));
166			break;
167		case 'S':			/* Random number seed. */
168			if ((seed = atoi(optarg)) <= 0)
169				return (invarg(progname, ch, optarg));
170			break;
171		case 's':			/* Number of history records */
172			if ((history = atoi(optarg)) <= 0)
173				return (invarg(progname, ch, optarg));
174			break;
175		case 't':			/* Number of teller records */
176			if ((tellers = atoi(optarg)) <= 0)
177				return (invarg(progname, ch, optarg));
178			break;
179		case 'v':			/* Verbose option. */
180			verbose = 1;
181			break;
182		case '?':
183		default:
184			return (usage(progname));
185		}
186	argc -= optind;
187	argv += optind;
188
189	srand((u_int)seed);
190
191	/* Initialize the database environment. */
192	if ((dbenv = db_init(home,
193	    progname, mpool, txn_no_sync ? DB_TXN_NOSYNC : 0)) == NULL)
194		return (EXIT_FAILURE);
195
196	accounts = accounts == 0 ? ACCOUNTS : accounts;
197	branches = branches == 0 ? BRANCHES : branches;
198	tellers = tellers == 0 ? TELLERS : tellers;
199	history = history == 0 ? HISTORY : history;
200
201	if (verbose)
202		printf("%ld Accounts, %ld Branches, %ld Tellers, %ld History\n",
203		    (long)accounts, (long)branches,
204		    (long)tellers, (long)history);
205
206	if (iflag) {
207		if (ntxns != 0)
208			return (usage(progname));
209		tp_populate(dbenv,
210		    accounts, branches, history, tellers, verbose);
211	} else {
212		if (ntxns == 0)
213			return (usage(progname));
214		tp_run(dbenv, ntxns, accounts, branches, tellers, verbose);
215	}
216
217	if ((ret = dbenv->close(dbenv, 0)) != 0) {
218		fprintf(stderr, "%s: dbenv->close failed: %s\n",
219		    progname, db_strerror(ret));
220		return (EXIT_FAILURE);
221	}
222
223	return (EXIT_SUCCESS);
224}
225
226int
227invarg(progname, arg, str)
228	const char *progname;
229	int arg;
230	const char *str;
231{
232	(void)fprintf(stderr,
233	    "%s: invalid argument for -%c: %s\n", progname, arg, str);
234	return (EXIT_FAILURE);
235}
236
237int
238usage(progname)
239	const char *progname;
240{
241	const char *a1, *a2;
242
243	a1 = "[-fv] [-a accounts] [-b branches]\n";
244	a2 = "\t[-c cache_size] [-h home] [-S seed] [-s history] [-t tellers]";
245	(void)fprintf(stderr, "usage: %s -i %s %s\n", progname, a1, a2);
246	(void)fprintf(stderr,
247	    "       %s -n transactions %s %s\n", progname, a1, a2);
248	return (EXIT_FAILURE);
249}
250
251/*
252 * db_init --
253 *	Initialize the environment.
254 */
255DB_ENV *
256db_init(home, prefix, cachesize, flags)
257	const char *home, *prefix;
258	int cachesize;
259	u_int32_t flags;
260{
261	DB_ENV *dbenv;
262	u_int32_t local_flags;
263	int ret;
264
265	if ((ret = db_env_create(&dbenv, 0)) != 0) {
266		fprintf(stderr,
267		    "%s: db_env_create: %s\n", progname, db_strerror(ret));
268		return (NULL);
269	}
270	dbenv->set_errfile(dbenv, stderr);
271	dbenv->set_errpfx(dbenv, prefix);
272	(void)dbenv->set_cachesize(dbenv, 0,
273	    cachesize == 0 ? 4 * 1024 * 1024 : (u_int32_t)cachesize, 0);
274
275	if (flags & (DB_TXN_NOSYNC))
276		(void)dbenv->set_flags(dbenv, DB_TXN_NOSYNC, 1);
277	flags &= ~(DB_TXN_NOSYNC);
278
279	local_flags = flags | DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG |
280	    DB_INIT_MPOOL | DB_INIT_TXN;
281	if ((ret = dbenv->open(dbenv, home, local_flags, 0)) != 0) {
282		dbenv->err(dbenv, ret, "DB_ENV->open: %s", home);
283		(void)dbenv->close(dbenv, 0);
284		return (NULL);
285	}
286	return (dbenv);
287}
288
289/*
290 * Initialize the database to the specified number of accounts, branches,
291 * history records, and tellers.
292 */
293int
294tp_populate(env, accounts, branches, history, tellers, verbose)
295	DB_ENV *env;
296	int accounts, branches, history, tellers, verbose;
297{
298	DB *dbp;
299	u_int32_t balance, idnum, oflags;
300	u_int32_t end_anum, end_bnum, end_tnum;
301	u_int32_t start_anum, start_bnum, start_tnum;
302	int ret;
303
304	idnum = BEGID;
305	balance = 500000;
306	oflags = DB_CREATE;
307
308	if ((ret = db_create(&dbp, env, 0)) != 0) {
309		env->err(env, ret, "db_create");
310		return (1);
311	}
312	(void)dbp->set_h_nelem(dbp, (u_int32_t)accounts);
313
314	if ((ret = dbp->open(dbp, NULL, "account", NULL,
315	    DB_HASH, oflags, 0644)) != 0) {
316		env->err(env, ret, "DB->open: account");
317		return (1);
318	}
319
320	start_anum = idnum;
321	populate(dbp, idnum, balance, accounts, "account");
322	idnum += accounts;
323	end_anum = idnum - 1;
324	if ((ret = dbp->close(dbp, 0)) != 0) {
325		env->err(env, ret, "DB->close: account");
326		return (1);
327	}
328	if (verbose)
329		printf("Populated accounts: %ld - %ld\n",
330		    (long)start_anum, (long)end_anum);
331
332	/*
333	 * Since the number of branches is very small, we want to use very
334	 * small pages and only 1 key per page, i.e., key-locking instead
335	 * of page locking.
336	 */
337	if ((ret = db_create(&dbp, env, 0)) != 0) {
338		env->err(env, ret, "db_create");
339		return (1);
340	}
341	(void)dbp->set_h_ffactor(dbp, 1);
342	(void)dbp->set_h_nelem(dbp, (u_int32_t)branches);
343	(void)dbp->set_pagesize(dbp, 512);
344	if ((ret = dbp->open(dbp, NULL, "branch", NULL,
345	    DB_HASH, oflags, 0644)) != 0) {
346		env->err(env, ret, "DB->open: branch");
347		return (1);
348	}
349	start_bnum = idnum;
350	populate(dbp, idnum, balance, branches, "branch");
351	idnum += branches;
352	end_bnum = idnum - 1;
353	if ((ret = dbp->close(dbp, 0)) != 0) {
354		env->err(env, ret, "DB->close: branch");
355		return (1);
356	}
357	if (verbose)
358		printf("Populated branches: %ld - %ld\n",
359		    (long)start_bnum, (long)end_bnum);
360
361	/*
362	 * In the case of tellers, we also want small pages, but we'll let
363	 * the fill factor dynamically adjust itself.
364	 */
365	if ((ret = db_create(&dbp, env, 0)) != 0) {
366		env->err(env, ret, "db_create");
367		return (1);
368	}
369	(void)dbp->set_h_ffactor(dbp, 0);
370	(void)dbp->set_h_nelem(dbp, (u_int32_t)tellers);
371	(void)dbp->set_pagesize(dbp, 512);
372	if ((ret = dbp->open(dbp, NULL, "teller", NULL,
373	    DB_HASH, oflags, 0644)) != 0) {
374		env->err(env, ret, "DB->open: teller");
375		return (1);
376	}
377
378	start_tnum = idnum;
379	populate(dbp, idnum, balance, tellers, "teller");
380	idnum += tellers;
381	end_tnum = idnum - 1;
382	if ((ret = dbp->close(dbp, 0)) != 0) {
383		env->err(env, ret, "DB->close: teller");
384		return (1);
385	}
386	if (verbose)
387		printf("Populated tellers: %ld - %ld\n",
388		    (long)start_tnum, (long)end_tnum);
389
390	if ((ret = db_create(&dbp, env, 0)) != 0) {
391		env->err(env, ret, "db_create");
392		return (1);
393	}
394	(void)dbp->set_re_len(dbp, HISTORY_LEN);
395	if ((ret = dbp->open(dbp, NULL, "history", NULL,
396	    DB_RECNO, oflags, 0644)) != 0) {
397		env->err(env, ret, "DB->open: history");
398		return (1);
399	}
400
401	hpopulate(dbp, history, accounts, branches, tellers);
402	if ((ret = dbp->close(dbp, 0)) != 0) {
403		env->err(env, ret, "DB->close: history");
404		return (1);
405	}
406	return (0);
407}
408
409int
410populate(dbp, start_id, balance, nrecs, msg)
411	DB *dbp;
412	u_int32_t start_id, balance;
413	int nrecs;
414	const char *msg;
415{
416	DBT kdbt, ddbt;
417	defrec drec;
418	int i, ret;
419
420	kdbt.flags = 0;
421	kdbt.data = &drec.id;
422	kdbt.size = sizeof(u_int32_t);
423	ddbt.flags = 0;
424	ddbt.data = &drec;
425	ddbt.size = sizeof(drec);
426	memset(&drec.pad[0], 1, sizeof(drec.pad));
427
428	for (i = 0; i < nrecs; i++) {
429		drec.id = start_id + (u_int32_t)i;
430		drec.balance = balance;
431		if ((ret =
432		    (dbp->put)(dbp, NULL, &kdbt, &ddbt, DB_NOOVERWRITE)) != 0) {
433			dbp->err(dbp,
434			    ret, "Failure initializing %s file\n", msg);
435			return (1);
436		}
437	}
438	return (0);
439}
440
441int
442hpopulate(dbp, history, accounts, branches, tellers)
443	DB *dbp;
444	int history, accounts, branches, tellers;
445{
446	DBT kdbt, ddbt;
447	histrec hrec;
448	db_recno_t key;
449	int i, ret;
450
451	memset(&kdbt, 0, sizeof(kdbt));
452	memset(&ddbt, 0, sizeof(ddbt));
453	ddbt.data = &hrec;
454	ddbt.size = sizeof(hrec);
455	kdbt.data = &key;
456	kdbt.size = sizeof(key);
457	memset(&hrec.pad[0], 1, sizeof(hrec.pad));
458	hrec.amount = 10;
459
460	for (i = 1; i <= history; i++) {
461		hrec.aid = random_id(ACCOUNT, accounts, branches, tellers);
462		hrec.bid = random_id(BRANCH, accounts, branches, tellers);
463		hrec.tid = random_id(TELLER, accounts, branches, tellers);
464		if ((ret = dbp->put(dbp, NULL, &kdbt, &ddbt, DB_APPEND)) != 0) {
465			dbp->err(dbp, ret, "dbp->put");
466			return (1);
467		}
468	}
469	return (0);
470}
471
472u_int32_t
473random_int(lo, hi)
474	u_int32_t lo, hi;
475{
476	u_int32_t ret;
477	int t;
478
479#ifndef RAND_MAX
480#define	RAND_MAX	0x7fffffff
481#endif
482	t = rand();
483	ret = (u_int32_t)(((double)t / ((double)(RAND_MAX) + 1)) *
484	    (hi - lo + 1));
485	ret += lo;
486	return (ret);
487}
488
489u_int32_t
490random_id(type, accounts, branches, tellers)
491	FTYPE type;
492	int accounts, branches, tellers;
493{
494	u_int32_t min, max, num;
495
496	max = min = BEGID;
497	num = accounts;
498	switch (type) {
499	case TELLER:
500		min += branches;
501		num = tellers;
502		/* FALLTHROUGH */
503	case BRANCH:
504		if (type == BRANCH)
505			num = branches;
506		min += accounts;
507		/* FALLTHROUGH */
508	case ACCOUNT:
509		max = min + num - 1;
510	}
511	return (random_int(min, max));
512}
513
514int
515tp_run(dbenv, n, accounts, branches, tellers, verbose)
516	DB_ENV *dbenv;
517	int n, accounts, branches, tellers, verbose;
518{
519	DB *adb, *bdb, *hdb, *tdb;
520	int failed, ret, txns;
521	struct timeval start_tv, end_tv;
522	double start_time, end_time;
523
524	adb = bdb = hdb = tdb = NULL;
525
526	/*
527	 * Open the database files.
528	 */
529	if ((ret = db_create(&adb, dbenv, 0)) != 0) {
530		dbenv->err(dbenv, ret, "db_create");
531		goto err;
532	}
533	if ((ret = adb->open(adb, NULL, "account", NULL, DB_UNKNOWN,
534	    DB_AUTO_COMMIT, 0)) != 0) {
535		dbenv->err(dbenv, ret, "DB->open: account");
536		goto err;
537	}
538	if ((ret = db_create(&bdb, dbenv, 0)) != 0) {
539		dbenv->err(dbenv, ret, "db_create");
540		goto err;
541	}
542	if ((ret = bdb->open(bdb, NULL, "branch", NULL, DB_UNKNOWN,
543	    DB_AUTO_COMMIT, 0)) != 0) {
544		dbenv->err(dbenv, ret, "DB->open: branch");
545		goto err;
546	}
547	if ((ret = db_create(&hdb, dbenv, 0)) != 0) {
548		dbenv->err(dbenv, ret, "db_create");
549		goto err;
550	}
551	if ((ret = hdb->open(hdb, NULL, "history", NULL, DB_UNKNOWN,
552	    DB_AUTO_COMMIT, 0)) != 0) {
553		dbenv->err(dbenv, ret, "DB->open: history");
554		goto err;
555	}
556	if ((ret = db_create(&tdb, dbenv, 0)) != 0) {
557		dbenv->err(dbenv, ret, "db_create");
558		goto err;
559	}
560	if ((ret = tdb->open(tdb, NULL, "teller", NULL, DB_UNKNOWN,
561	    DB_AUTO_COMMIT, 0)) != 0) {
562		dbenv->err(dbenv, ret, "DB->open: teller");
563		goto err;
564	}
565
566	(void)gettimeofday(&start_tv, NULL);
567
568	for (txns = n, failed = 0; n-- > 0;)
569		if ((ret = tp_txn(dbenv, adb, bdb, tdb, hdb,
570		    accounts, branches, tellers, verbose)) != 0)
571			++failed;
572
573	(void)gettimeofday(&end_tv, NULL);
574
575	start_time = start_tv.tv_sec + ((start_tv.tv_usec + 0.0)/NS_PER_MS);
576	end_time = end_tv.tv_sec + ((end_tv.tv_usec + 0.0)/NS_PER_MS);
577	if (end_time == start_time)
578		end_time += 1/NS_PER_MS;
579
580	printf("%s: %d txns: %d failed, %.3f sec, %.2f TPS\n", progname,
581	    txns, failed, (end_time - start_time),
582	    (txns - failed) / (double)(end_time - start_time));
583
584err:	if (adb != NULL)
585		(void)adb->close(adb, 0);
586	if (bdb != NULL)
587		(void)bdb->close(bdb, 0);
588	if (tdb != NULL)
589		(void)tdb->close(tdb, 0);
590	if (hdb != NULL)
591		(void)hdb->close(hdb, 0);
592	return (ret == 0 ? 0 : 1);
593}
594
595/*
596 * XXX Figure out the appropriate way to pick out IDs.
597 */
598int
599tp_txn(dbenv, adb, bdb, tdb, hdb, accounts, branches, tellers, verbose)
600	DB_ENV *dbenv;
601	DB *adb, *bdb, *tdb, *hdb;
602	int accounts, branches, tellers, verbose;
603{
604	DBC *acurs, *bcurs, *tcurs;
605	DBT d_dbt, d_histdbt, k_dbt, k_histdbt;
606	DB_TXN *t;
607	db_recno_t key;
608	defrec rec;
609	histrec hrec;
610	int account, branch, teller, ret;
611
612	t = NULL;
613	acurs = bcurs = tcurs = NULL;
614
615	/*
616	 * !!!
617	 * This is sample code -- we could move a lot of this into the driver
618	 * to make it faster.
619	 */
620	account = random_id(ACCOUNT, accounts, branches, tellers);
621	branch = random_id(BRANCH, accounts, branches, tellers);
622	teller = random_id(TELLER, accounts, branches, tellers);
623
624	memset(&d_histdbt, 0, sizeof(d_histdbt));
625
626	memset(&k_histdbt, 0, sizeof(k_histdbt));
627	k_histdbt.data = &key;
628	k_histdbt.size = sizeof(key);
629
630	memset(&k_dbt, 0, sizeof(k_dbt));
631	k_dbt.size = sizeof(int);
632
633	memset(&d_dbt, 0, sizeof(d_dbt));
634	d_dbt.flags = DB_DBT_USERMEM;
635	d_dbt.data = &rec;
636	d_dbt.ulen = sizeof(rec);
637
638	hrec.aid = account;
639	hrec.bid = branch;
640	hrec.tid = teller;
641	hrec.amount = 10;
642	/* Request 0 bytes since we're just positioning. */
643	d_histdbt.flags = DB_DBT_PARTIAL;
644
645	/*
646	 * START PER-TRANSACTION TIMING.
647	 *
648	 * Technically, TPCB requires a limit on response time, you only get
649	 * to count transactions that complete within 2 seconds.  That's not
650	 * an issue for this sample application -- regardless, here's where
651	 * the transaction begins.
652	 */
653	if (dbenv->txn_begin(dbenv, NULL, &t, 0) != 0)
654		goto err;
655
656	if (adb->cursor(adb, t, &acurs, 0) != 0 ||
657	    bdb->cursor(bdb, t, &bcurs, 0) != 0 ||
658	    tdb->cursor(tdb, t, &tcurs, 0) != 0)
659		goto err;
660
661	/* Account record */
662	k_dbt.data = &account;
663	if (acurs->get(acurs, &k_dbt, &d_dbt, DB_SET) != 0)
664		goto err;
665	rec.balance += 10;
666	if (acurs->put(acurs, &k_dbt, &d_dbt, DB_CURRENT) != 0)
667		goto err;
668
669	/* Branch record */
670	k_dbt.data = &branch;
671	if (bcurs->get(bcurs, &k_dbt, &d_dbt, DB_SET) != 0)
672		goto err;
673	rec.balance += 10;
674	if (bcurs->put(bcurs, &k_dbt, &d_dbt, DB_CURRENT) != 0)
675		goto err;
676
677	/* Teller record */
678	k_dbt.data = &teller;
679	if (tcurs->get(tcurs, &k_dbt, &d_dbt, DB_SET) != 0)
680		goto err;
681	rec.balance += 10;
682	if (tcurs->put(tcurs, &k_dbt, &d_dbt, DB_CURRENT) != 0)
683		goto err;
684
685	/* History record */
686	d_histdbt.flags = 0;
687	d_histdbt.data = &hrec;
688	d_histdbt.ulen = sizeof(hrec);
689	if (hdb->put(hdb, t, &k_histdbt, &d_histdbt, DB_APPEND) != 0)
690		goto err;
691
692	if (acurs->close(acurs) != 0 || bcurs->close(bcurs) != 0 ||
693	    tcurs->close(tcurs) != 0)
694		goto err;
695
696	ret = t->commit(t, 0);
697	t = NULL;
698	if (ret != 0)
699		goto err;
700	/* END PER-TRANSACTION TIMING. */
701
702	return (0);
703
704err:	if (acurs != NULL)
705		(void)acurs->close(acurs);
706	if (bcurs != NULL)
707		(void)bcurs->close(bcurs);
708	if (tcurs != NULL)
709		(void)tcurs->close(tcurs);
710	if (t != NULL)
711		(void)t->abort(t);
712
713	if (verbose)
714		printf("Transaction A=%ld B=%ld T=%ld failed\n",
715		    (long)account, (long)branch, (long)teller);
716	return (-1);
717}
718