aboutsummaryrefslogtreecommitdiff
path: root/db2/btree/bt_stat.c
diff options
context:
space:
mode:
Diffstat (limited to 'db2/btree/bt_stat.c')
-rw-r--r--db2/btree/bt_stat.c122
1 files changed, 33 insertions, 89 deletions
diff --git a/db2/btree/bt_stat.c b/db2/btree/bt_stat.c
index 2236434b38..855ef40bbd 100644
--- a/db2/btree/bt_stat.c
+++ b/db2/btree/bt_stat.c
@@ -8,7 +8,7 @@
#include "config.h"
#ifndef lint
-static const char sccsid[] = "@(#)bt_stat.c 10.17 (Sleepycat) 4/26/98";
+static const char sccsid[] = "@(#)bt_stat.c 10.27 (Sleepycat) 11/25/98";
#endif /* not lint */
#ifndef NO_SYSTEM_INCLUDES
@@ -22,8 +22,6 @@ static const char sccsid[] = "@(#)bt_stat.c 10.17 (Sleepycat) 4/26/98";
#include "db_page.h"
#include "btree.h"
-static void __bam_add_rstat __P((DB_BTREE_LSTAT *, DB_BTREE_STAT *));
-
/*
* __bam_stat --
* Gather/print the btree statistics
@@ -31,62 +29,62 @@ static void __bam_add_rstat __P((DB_BTREE_LSTAT *, DB_BTREE_STAT *));
* PUBLIC: int __bam_stat __P((DB *, void *, void *(*)(size_t), u_int32_t));
*/
int
-__bam_stat(argdbp, spp, db_malloc, flags)
- DB *argdbp;
+__bam_stat(dbp, spp, db_malloc, flags)
+ DB *dbp;
void *spp;
void *(*db_malloc) __P((size_t));
u_int32_t flags;
{
BTMETA *meta;
BTREE *t;
- DB *dbp;
+ DBC *dbc;
DB_BTREE_STAT *sp;
DB_LOCK lock;
PAGE *h;
db_pgno_t lastpgno, pgno;
- int ret;
+ int ret, t_ret;
- DEBUG_LWRITE(argdbp, NULL, "bam_stat", NULL, NULL, flags);
+ DB_PANIC_CHECK(dbp);
/* Check for invalid flags. */
- if ((ret = __db_statchk(argdbp, flags)) != 0)
+ if ((ret = __db_statchk(dbp, flags)) != 0)
return (ret);
- if (spp == NULL)
- return (0);
+ if ((ret = dbp->cursor(dbp, NULL, &dbc, 0)) != 0)
+ return (ret);
+
+ DEBUG_LWRITE(dbc, NULL, "bam_stat", NULL, NULL, flags);
- GETHANDLE(argdbp, NULL, &dbp, ret);
t = dbp->internal;
+ if (spp == NULL)
+ return (0);
+
/* Allocate and clear the structure. */
- if ((sp = db_malloc == NULL ?
- (DB_BTREE_STAT *)__db_malloc(sizeof(*sp)) :
- (DB_BTREE_STAT *)db_malloc(sizeof(*sp))) == NULL) {
- ret = ENOMEM;
+ if ((ret = __os_malloc(sizeof(*sp), db_malloc, &sp)) != 0)
goto err;
- }
memset(sp, 0, sizeof(*sp));
/* If the app just wants the record count, make it fast. */
- if (LF_ISSET(DB_RECORDCOUNT)) {
+ if (flags == DB_RECORDCOUNT) {
pgno = PGNO_ROOT;
- if ((ret = __bam_lget(dbp, 0, pgno, DB_LOCK_READ, &lock)) != 0)
+ if ((ret = __bam_lget(dbc, 0, pgno, DB_LOCK_READ, &lock)) != 0)
goto err;
- if ((ret = __bam_pget(dbp, (PAGE **)&h, &pgno, 0)) != 0)
+ if ((ret = memp_fget(dbp->mpf, &pgno, 0, (PAGE **)&h)) != 0)
goto err;
sp->bt_nrecs = RE_NREC(h);
(void)memp_fput(dbp->mpf, h, 0);
- (void)__BT_LPUT(dbp, lock);
+ (void)__BT_LPUT(dbc, lock);
goto done;
}
/* Get the meta-data page. */
pgno = PGNO_METADATA;
- if ((ret = __bam_lget(dbp, 0, pgno, DB_LOCK_READ, &lock)) != 0)
+ if ((ret = __bam_lget(dbc, 0, pgno, DB_LOCK_READ, &lock)) != 0)
goto err;
- if ((ret = __bam_pget(dbp, (PAGE **)&meta, &pgno, 0)) != 0)
+ if ((ret = memp_fget(dbp->mpf, &pgno, 0, (PAGE **)&meta)) != 0)
goto err;
/* Translate the metadata flags. */
@@ -110,24 +108,13 @@ __bam_stat(argdbp, spp, db_malloc, flags)
/* Get the page size from the DB. */
sp->bt_pagesize = dbp->pgsize;
- /* Initialize counters with the meta-data page information. */
- __bam_add_rstat(&meta->stat, sp);
-
- /*
- * Add in the local information from this handle.
- *
- * !!!
- * This is a bit odd, but it gets us closer to the truth.
- */
- __bam_add_rstat(&t->lstat, sp);
-
/* Walk the free list, counting pages. */
for (sp->bt_free = 0, pgno = meta->free; pgno != PGNO_INVALID;) {
++sp->bt_free;
- if ((ret = __bam_pget(dbp, &h, &pgno, 0)) != 0) {
+ if ((ret = memp_fget(dbp->mpf, &pgno, 0, &h)) != 0) {
(void)memp_fput(dbp->mpf, meta, 0);
- (void)__BT_TLPUT(dbp, lock);
+ (void)__BT_TLPUT(dbc, lock);
goto err;
}
pgno = h->next_pgno;
@@ -136,7 +123,7 @@ __bam_stat(argdbp, spp, db_malloc, flags)
/* Discard the meta-data page. */
(void)memp_fput(dbp->mpf, meta, 0);
- (void)__BT_TLPUT(dbp, lock);
+ (void)__BT_TLPUT(dbc, lock);
/* Determine the last page of the database. */
if ((ret = memp_fget(dbp->mpf, &lastpgno, DB_MPOOL_LAST, &h)) != 0)
@@ -145,10 +132,10 @@ __bam_stat(argdbp, spp, db_malloc, flags)
/* Get the root page. */
pgno = PGNO_ROOT;
- if ((ret = __bam_lget(dbp, 0, PGNO_ROOT, DB_LOCK_READ, &lock)) != 0)
+ if ((ret = __bam_lget(dbc, 0, PGNO_ROOT, DB_LOCK_READ, &lock)) != 0)
goto err;
- if ((ret = __bam_pget(dbp, &h, &pgno, 0)) != 0) {
- (void)__BT_LPUT(dbp, lock);
+ if ((ret = memp_fget(dbp->mpf, &pgno, 0, &h)) != 0) {
+ (void)__BT_LPUT(dbc, lock);
goto err;
}
@@ -185,19 +172,19 @@ __bam_stat(argdbp, spp, db_malloc, flags)
break;
default:
(void)memp_fput(dbp->mpf, h, 0);
- (void)__BT_LPUT(dbp, lock);
+ (void)__BT_LPUT(dbc, lock);
return (__db_pgfmt(dbp, pgno));
}
(void)memp_fput(dbp->mpf, h, 0);
- (void)__BT_LPUT(dbp, lock);
+ (void)__BT_LPUT(dbc, lock);
if (++pgno > lastpgno)
break;
- if (__bam_lget(dbp, 0, pgno, DB_LOCK_READ, &lock))
+ if (__bam_lget(dbc, 0, pgno, DB_LOCK_READ, &lock))
break;
if (memp_fget(dbp->mpf, &pgno, 0, &h) != 0) {
- (void)__BT_LPUT(dbp, lock);
+ (void)__BT_LPUT(dbc, lock);
break;
}
}
@@ -205,50 +192,7 @@ __bam_stat(argdbp, spp, db_malloc, flags)
done: *(DB_BTREE_STAT **)spp = sp;
ret = 0;
-err: PUTHANDLE(dbp);
+err: if ((t_ret = dbc->c_close(dbc)) != 0 && ret == 0)
+ ret = t_ret;
return (ret);
}
-
-/*
- * __bam_add_mstat --
- * Add the local statistics to the meta-data page statistics.
- *
- * PUBLIC: void __bam_add_mstat __P((DB_BTREE_LSTAT *, DB_BTREE_LSTAT *));
- */
-void
-__bam_add_mstat(from, to)
- DB_BTREE_LSTAT *from;
- DB_BTREE_LSTAT *to;
-{
- to->bt_freed += from->bt_freed;
- to->bt_pfxsaved += from->bt_pfxsaved;
- to->bt_split += from->bt_split;
- to->bt_rootsplit += from->bt_rootsplit;
- to->bt_fastsplit += from->bt_fastsplit;
- to->bt_added += from->bt_added;
- to->bt_deleted += from->bt_deleted;
- to->bt_get += from->bt_get;
- to->bt_cache_hit += from->bt_cache_hit;
- to->bt_cache_miss += from->bt_cache_miss;
-}
-
-/*
- * __bam_add_rstat --
- * Add the local statistics to the returned statistics.
- */
-static void
-__bam_add_rstat(from, to)
- DB_BTREE_LSTAT *from;
- DB_BTREE_STAT *to;
-{
- to->bt_freed += from->bt_freed;
- to->bt_pfxsaved += from->bt_pfxsaved;
- to->bt_split += from->bt_split;
- to->bt_rootsplit += from->bt_rootsplit;
- to->bt_fastsplit += from->bt_fastsplit;
- to->bt_added += from->bt_added;
- to->bt_deleted += from->bt_deleted;
- to->bt_get += from->bt_get;
- to->bt_cache_hit += from->bt_cache_hit;
- to->bt_cache_miss += from->bt_cache_miss;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-13 23:18:11 +0000