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/*
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2005-2009 Oracle. All rights reserved.
*
* $Id$
*/
#include "bench.h"
static int usage(void);
int
b_curwalk(int argc, char *argv[])
{
extern char *optarg;
extern int optind;
DB *dbp;
DBTYPE type;
DBC *dbc;
DBT key, data;
db_recno_t recno;
u_int32_t cachesize, pagesize, walkflags;
int ch, i, count, dupcount, j;
int prev, ret, skipdupwalk, sorted, walkcount;
char *ts, dbuf[32], kbuf[32];
type = DB_BTREE;
cachesize = 10 * MEGABYTE;
pagesize = 16 * 1024;
count = 100000;
dupcount = prev = skipdupwalk = sorted = 0;
walkcount = 1000;
ts = "Btree";
while ((ch = getopt(argc, argv, "C:c:d:P:pSst:w:")) != EOF)
switch (ch) {
case 'C':
cachesize = (u_int32_t)atoi(optarg);
break;
case 'c':
count = atoi(optarg);
break;
case 'd':
dupcount = atoi(optarg);
break;
case 'P':
pagesize = (u_int32_t)atoi(optarg);
break;
case 'p':
prev = 1;
break;
case 'S':
skipdupwalk = 1;
break;
case 's':
sorted = 1;
break;
case 't':
switch (optarg[0]) {
case 'B': case 'b':
ts = "Btree";
type = DB_BTREE;
break;
case 'H': case 'h':
if (b_util_have_hash())
return (0);
ts = "Hash";
type = DB_HASH;
break;
case 'Q': case 'q':
if (b_util_have_queue())
return (0);
ts = "Queue";
type = DB_QUEUE;
break;
case 'R': case 'r':
ts = "Recno";
type = DB_RECNO;
break;
default:
return (usage());
}
break;
case 'w':
walkcount = atoi(optarg);
break;
case '?':
default:
return (usage());
}
argc -= optind;
argv += optind;
if (argc != 0)
return (usage());
/*
* Queue and Recno don't support duplicates.
*/
if (dupcount != 0 && (type == DB_QUEUE || type == DB_RECNO)) {
fprintf(stderr,
"b_curwalk: Queue and Recno don't support duplicates\n");
return (usage());
}
#if DB_VERSION_MAJOR < 3 || DB_VERSION_MAJOR == 3 && DB_VERSION_MINOR == 0
#define DB_PREV_NODUP 0
/*
* DB_PREV_NODUP wasn't available until after 3.0.55.
*
* For some reason, testing sorted duplicates doesn't work either.
* I don't really care about 3.0.55 any more, just ignore it.
*/
return (0);
#endif
/* Create the database. */
DB_BENCH_ASSERT(db_create(&dbp, NULL, 0) == 0);
DB_BENCH_ASSERT(dbp->set_cachesize(dbp, 0, cachesize, 0) == 0);
DB_BENCH_ASSERT(dbp->set_pagesize(dbp, pagesize) == 0);
dbp->set_errfile(dbp, stderr);
/* Set record length for Queue. */
if (type == DB_QUEUE)
DB_BENCH_ASSERT(dbp->set_re_len(dbp, 20) == 0);
/* Set duplicates flag. */
if (dupcount != 0)
DB_BENCH_ASSERT(
dbp->set_flags(dbp, sorted ? DB_DUPSORT : DB_DUP) == 0);
#if DB_VERSION_MAJOR >= 4 && DB_VERSION_MINOR >= 1
DB_BENCH_ASSERT(dbp->open(
dbp, NULL, TESTFILE, NULL, type, DB_CREATE, 0666) == 0);
#else
DB_BENCH_ASSERT(dbp->open(
dbp, TESTFILE, NULL, type, DB_CREATE, 0666) == 0);
#endif
/* Initialize the data. */
memset(&key, 0, sizeof(key));
memset(&data, 0, sizeof(data));
/* Insert count in-order key/data pairs. */
data.data = dbuf;
data.size = 20;
if (type == DB_BTREE || type == DB_HASH) {
key.size = 10;
key.data = kbuf;
for (i = 0; i < count; ++i) {
(void)snprintf(kbuf, sizeof(kbuf), "%010d", i);
for (j = 0; j <= dupcount; ++j) {
(void)snprintf(dbuf, sizeof(dbuf), "%020d", j);
DB_BENCH_ASSERT(
dbp->put(dbp, NULL, &key, &data, 0) == 0);
}
}
} else {
key.data = &recno;
key.size = sizeof(recno);
for (i = 0, recno = 1; i < count; ++i, ++recno)
DB_BENCH_ASSERT(
dbp->put(dbp, NULL, &key, &data, 0) == 0);
}
walkflags = prev ?
(skipdupwalk ? DB_PREV_NODUP : DB_PREV) :
(skipdupwalk ? DB_NEXT_NODUP : DB_NEXT);
/* Walk the cursor through the tree N times. */
TIMER_START;
for (i = 0; i < walkcount; ++i) {
DB_BENCH_ASSERT(dbp->cursor(dbp, NULL, &dbc, 0) == 0);
while ((ret = dbc->c_get(dbc, &key, &data, walkflags)) == 0)
;
DB_BENCH_ASSERT(ret == DB_NOTFOUND);
DB_BENCH_ASSERT(dbc->c_close(dbc) == 0);
}
TIMER_STOP;
printf("# %d %s %s cursor of %d 10/20 byte key/data items",
walkcount, ts, prev ?
(skipdupwalk ? "DB_PREV_NODUP" : "DB_PREV") :
(skipdupwalk ? "DB_NEXT_NODUP" : "DB_NEXT"),
count);
if (dupcount != 0)
printf(" with %d dups", dupcount);
printf("\n");
/*
* An "operation" is traversal of a single key/data pair -- not a
* return of the key/data pair, since some versions of this test
* skip duplicate key/data pairs.
*
* Use a "double" so we don't overflow.
*/
TIMER_DISPLAY((double)count * walkcount);
DB_BENCH_ASSERT(dbp->close(dbp, 0) == 0);
return (EXIT_SUCCESS);
}
static int
usage()
{
(void)fprintf(stderr, "%s\n\t%s\n",
"usage: b_curwalk [-pSs] [-C cachesz]",
"[-c cnt] [-d dupcnt] [-P pagesz] [-t type] [-w walkcnt]");
return (EXIT_FAILURE);
}
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