Cleanup prev commit

This commit is contained in:
Howard Chu 2003-09-22 10:11:10 +00:00
parent 0342904699
commit 5fb7ea2294
3 changed files with 55 additions and 21 deletions

View File

@ -430,7 +430,10 @@ hdb_cache_find_parent(
return rc;
}
int hdb_entryinfo_load(
/* Used by hdb_dn2idl when loading the EntryInfo for all the children
* of a given node
*/
int hdb_cache_load(
struct bdb_info *bdb,
EntryInfo *ei,
EntryInfo **res )
@ -438,16 +441,25 @@ int hdb_entryinfo_load(
EntryInfo *ei2;
int rc;
/* See if we already have this one */
bdb_cache_entryinfo_lock( ei->bei_parent );
ei2 = (EntryInfo *)avl_find( ei->bei_parent->bei_kids, ei, bdb_rdn_cmp );
bdb_cache_entryinfo_unlock( ei->bei_parent );
if ( !ei2 ) {
/* Not found, add it */
struct berval bv;
/* bei_rdn was not malloc'd before, do it now */
ber_dupbv( &bv, &ei->bei_rdn );
ei->bei_rdn = bv;
rc = bdb_entryinfo_add_internal( bdb, ei, res );
bdb_cache_entryinfo_unlock( ei->bei_parent );
ldap_pvt_thread_rdwr_wunlock( &bdb->bi_cache.c_rwlock );
} else {
/* Found, return it */
*res = ei2;
free( ei->bei_rdn.bv_val );
return 0;
}
return rc;

View File

@ -767,23 +767,6 @@ hdb_dn2id(
return rc;
}
static void
hdb_dn2ei(
char *buf,
int len,
EntryInfo *ei )
{
diskNode *d = (diskNode *)buf;
char *ptr;
AC_MEMCPY( &ei->bei_id, &d->entryID, sizeof(ID) );
AC_MEMCPY( &ei->bei_nrdn.bv_len, &d->nrdnlen, sizeof(d->nrdnlen) );
ber_str2bv( d->nrdn, ei->bei_nrdn.bv_len, 0, &ei->bei_nrdn );
ei->bei_rdn.bv_len = len - sizeof(diskNode) - ei->bei_nrdn.bv_len;
ptr = d->nrdn + ei->bei_nrdn.bv_len + 1;
ber_str2bv( ptr, ei->bei_rdn.bv_len, 1, &ei->bei_rdn );
}
int
hdb_dn2id_parent(
Operation *op,
@ -916,6 +899,9 @@ struct dn2id_cookie {
Operation *op;
};
/* Stuff for iterating over a bei_kids AVL tree and adding the
* IDs to an IDL
*/
struct apply_arg {
ID *idl;
EntryInfo **ei;
@ -955,6 +941,9 @@ hdb_dn2idl_internal(
#endif
BDB_IDL_ZERO( cx->tmp );
/* If number of kids in the cache differs from on-disk, load
* up all the kids from the database
*/
if ( cx->ei->bei_ckids+1 != cx->ei->bei_dkids ) {
EntryInfo ei;
ei.bei_parent = cx->ei;
@ -973,12 +962,18 @@ hdb_dn2idl_internal(
if ( cx->rc == DB_NOTFOUND ) goto saveit;
if ( cx->rc ) return cx->rc;
/* If the on-disk count is zero we've never checked it.
* Count it now.
*/
if ( !cx->ei->bei_dkids ) {
db_recno_t dkids;
cx->dbc->c_count( cx->dbc, &dkids, 0 );
cx->ei->bei_dkids = dkids;
}
/* If there are kids and this is a subtree search, allocate
* temp storage for the list of kids.
*/
if ( cx->prefix == DN_SUBTREE_PREFIX && cx->ei->bei_dkids > 1 ) {
eilist = cx->op->o_tmpalloc( sizeof(EntryInfo *) * cx->ei->bei_dkids, cx->op->o_tmpmemctx );
eilist[cx->ei->bei_dkids-1] = NULL;
@ -999,9 +994,18 @@ hdb_dn2idl_internal(
DB_MULTIPLE_NEXT( cx->ptr, &cx->data, j, len );
if (j) {
EntryInfo *ei2;
hdb_dn2ei( j, len, &ei );
diskNode *d = (diskNode *)j;
AC_MEMCPY( &ei.bei_id, &d->entryID, sizeof(ID) );
AC_MEMCPY( &ei.bei_nrdn.bv_len, &d->nrdnlen, sizeof(d->nrdnlen) );
/* nrdn/rdn are set in-place.
* hdb_cache_load will copy them as needed
*/
ei.bei_nrdn.bv_val = d->nrdn;
ei.bei_rdn.bv_len = len - sizeof(diskNode) - ei.bei_nrdn.bv_len;
ei.bei_rdn.bv_val = d->nrdn + ei.bei_nrdn.bv_len + 1;
bdb_idl_insert( cx->tmp, ei.bei_id );
hdb_entryinfo_load( cx->bdb, &ei, &ei2 );
hdb_cache_load( cx->bdb, &ei, &ei2 );
if ( eilist )
*ptr++ = ei2;
}
@ -1009,12 +1013,21 @@ hdb_dn2idl_internal(
}
cx->dbc->c_close( cx->dbc );
} else {
/* The in-memory cache is in sync with the on-disk data.
* do we have any kids?
*/
if ( cx->ei->bei_ckids > 0 ) {
struct apply_arg ap;
/* Temp storage for subtree search */
if ( cx->prefix == DN_SUBTREE_PREFIX ) {
eilist = cx->op->o_tmpalloc( sizeof(EntryInfo *) * cx->ei->bei_dkids, cx->op->o_tmpmemctx );
eilist[cx->ei->bei_dkids-1] = NULL;
}
/* Walk the kids tree; order is irrelevant since bdb_idl_insert
* will insert in sorted order.
*/
ap.idl = cx->tmp;
ap.ei = eilist;
bdb_cache_entryinfo_lock( cx->ei );
@ -1044,6 +1057,7 @@ gotit:
cx->ei = *ptr;
cx->id = cx->ei->bei_id;
hdb_dn2idl_internal( cx );
}
cx->op->o_tmpfree( eilist, cx->op->o_tmpmemctx );
cx->rc = 0;
} else {

View File

@ -480,6 +480,14 @@ void bdb_cache_delete_cleanup(
);
void bdb_cache_release_all( Cache *cache );
#ifdef BDB_HIER
int hdb_cache_load(
struct bdb_info *bdb,
EntryInfo *ei,
EntryInfo **res
);
#endif
#define bdb_cache_entry_db_relock BDB_SYMBOL(cache_entry_db_relock)
int bdb_cache_entry_db_relock(
DB_ENV *env,