root/libdb/bt_debug.c(46.html)
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DEFINITIONS
This source file includes following definitions.
- __bt_dump
- __bt_dmpage
- __bt_dnpage
- __bt_dpage
- __bt_stat
/*-
* Copyright (c) 1990, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Mike Olson.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)bt_debug.c 8.5 (Berkeley) 8/17/94";
#endif /* LIBC_SCCS and not lint */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#ifdef STDC_HEADERS
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#else
#include <strings.h>
#endif
#include "db.h"
#include "btree.h"
/*
* BT_DUMP -- Dump the tree
*
* Parameters:
* dbp: pointer to the DB
*/
void
__bt_dump(dbp)
DB *dbp;
{
BTREE *t;
PAGE *h;
pgno_t i;
char *sep;
t = dbp->internal;
(void)fprintf(stderr, "%s: pgsz %d",
F_ISSET(t, B_INMEM) ? "memory" : "disk", t->bt_psize);
if (F_ISSET(t, R_RECNO))
(void)fprintf(stderr, " keys %lu", (long unsigned int)t->bt_nrecs);
#undef X
#define X(flag, name) \
if (F_ISSET(t, flag)) { \
(void)fprintf(stderr, "%s%s", sep, name); \
sep = ", "; \
}
if (t->flags != 0) {
sep = " flags (";
X(R_FIXLEN, "FIXLEN");
X(B_INMEM, "INMEM");
X(B_NODUPS, "NODUPS");
X(B_RDONLY, "RDONLY");
X(R_RECNO, "RECNO");
X(B_METADIRTY,"METADIRTY");
(void)fprintf(stderr, ")\n");
}
#undef X
for (i = P_ROOT; (h = mpool_get(t->bt_mp, i, 0)) != NULL; ++i) {
__bt_dpage(h);
(void)mpool_put(t->bt_mp, h, 0);
}
}
/*
* BT_DMPAGE -- Dump the meta page
*
* Parameters:
* h: pointer to the PAGE
*/
void
__bt_dmpage(h)
PAGE *h;
{
BTMETA *m;
char *sep;
m = (BTMETA *)h;
(void)fprintf(stderr, "magic %lx\n", (long unsigned int)m->magic);
(void)fprintf(stderr, "version %lu\n", (long unsigned int)m->version);
(void)fprintf(stderr, "psize %lu\n", (long unsigned int)m->psize);
(void)fprintf(stderr, "free %lu\n", (long unsigned int)m->free);
(void)fprintf(stderr, "nrecs %lu\n", (long unsigned int)m->nrecs);
(void)fprintf(stderr, "flags %lu", (long unsigned int)m->flags);
#undef X
#define X(flag, name) \
if (m->flags & flag) { \
(void)fprintf(stderr, "%s%s", sep, name); \
sep = ", "; \
}
if (m->flags) {
sep = " (";
X(B_NODUPS, "NODUPS");
X(R_RECNO, "RECNO");
(void)fprintf(stderr, ")");
}
}
/*
* BT_DNPAGE -- Dump the page
*
* Parameters:
* n: page number to dump.
*/
void
__bt_dnpage(dbp, pgno)
DB *dbp;
pgno_t pgno;
{
BTREE *t;
PAGE *h;
t = dbp->internal;
if ((h = mpool_get(t->bt_mp, pgno, 0)) != NULL) {
__bt_dpage(h);
(void)mpool_put(t->bt_mp, h, 0);
}
}
/*
* BT_DPAGE -- Dump the page
*
* Parameters:
* h: pointer to the PAGE
*/
void
__bt_dpage(h)
PAGE *h;
{
BINTERNAL *bi;
BLEAF *bl;
RINTERNAL *ri;
RLEAF *rl;
indx_t cur, top;
char *sep;
(void)fprintf(stderr, " page %d: (", h->pgno);
#undef X
#define X(flag, name) \
if (h->flags & flag) { \
(void)fprintf(stderr, "%s%s", sep, name); \
sep = ", "; \
}
sep = "";
X(P_BINTERNAL, "BINTERNAL") /* types */