/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2006 The OpenLDAP Foundation.
+ * Copyright 1998-2007 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
return attr_destroy();
}
-
-int entry_init(void)
+int
+entry_init(void)
{
ldap_pvt_thread_mutex_init( &entry2str_mutex );
ldap_pvt_thread_mutex_init( &entry_mutex );
return str2entry2( s, 1 );
}
+#define bvcasematch(bv1, bv2) (ber_bvstrcasecmp(bv1, bv2) == 0)
+
Entry *
str2entry2( char *s, int checkvals )
{
break;
}
i++;
+ if (i >= lines) {
+ Debug( LDAP_DEBUG_TRACE,
+ "<= str2entry ran past end of entry\n", 0, 0, 0 );
+ goto fail;
+ }
rc = ldif_parse_line2( s, type+i, vals+i, &freev );
freeval[i] = freev;
continue;
}
- if ( type[i].bv_len == dn_bv.bv_len &&
- strcasecmp( type[i].bv_val, dn_bv.bv_val ) == 0 ) {
-
+ if ( bvcasematch( &type[i], &dn_bv ) ) {
if ( e->e_dn != NULL ) {
Debug( LDAP_DEBUG_ANY, "str2entry: "
"entry %ld has multiple DNs \"%s\" and \"%s\"\n",
for (i=0; i<lines; i++) {
for ( j=i+1; j<lines; j++ ) {
- if ( bvmatch( type+i, type+j )) {
+ if ( bvcasematch( type+i, type+j )) {
/* out of order, move intervening attributes down */
if ( j != i+1 ) {
bv = vals[j];
for ( i=0; i<=lines; i++ ) {
ad_prev = ad;
- if ( !ad || ( i<lines && !bvmatch( type+i, &ad->ad_cname ))) {
+ if ( !ad || ( i<lines && !bvcasematch( type+i, &ad->ad_cname ))) {
ad = NULL;
rc = slap_bv2ad( type+i, &ad, &text );
goto fail;
}
}
+
+ /* require ';binary' when appropriate (ITS#5071) */
+ if ( slap_syntax_is_binary( ad->ad_type->sat_syntax ) && !slap_ad_is_binary( ad ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "str2entry: attributeType %s #%d: "
+ "needs ';binary' transfer as per syntax %s\n",
+ ad->ad_cname.bv_val, 0,
+ ad->ad_type->sat_syntax->ssyn_oid );
+ goto fail;
+ }
}
if (( ad_prev && ad != ad_prev ) || ( i == lines )) {
int j, k;
+ /* FIXME: we only need this when migrating from an unsorted DB */
+ if ( atail != &ahead && atail->a_desc->ad_type->sat_flags & SLAP_AT_SORTED_VAL ) {
+ rc = slap_sort_vals( (Modifications *)atail, &text, &j, NULL );
+ if ( rc == LDAP_SUCCESS ) {
+ atail->a_flags |= SLAP_ATTR_SORTED_VALS;
+ } else if ( rc == LDAP_TYPE_OR_VALUE_EXISTS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "str2entry: attributeType %s value #%d provided more than once\n",
+ atail->a_desc->ad_cname.bv_val, j, 0 );
+ goto fail;
+ }
+ }
atail->a_next = attr_alloc( NULL );
atail = atail->a_next;
atail->a_flags = 0;
+ atail->a_numvals = attr_cnt;
atail->a_desc = ad_prev;
atail->a_vals = ch_malloc( (attr_cnt + 1) * sizeof(struct berval));
if( ad_prev->ad_type->sat_equality &&
if ( i == lines ) break;
}
+ if ( BER_BVISNULL( &vals[i] ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "str2entry: attributeType %s #%d: "
+ "no value\n",
+ ad->ad_cname.bv_val, attr_cnt, 0 );
+ goto fail;
+ }
+
if( slapMode & SLAP_TOOL_MODE ) {
struct berval pval;
slap_syntax_validate_func *validate =
if ( rc ) {
Debug( LDAP_DEBUG_ANY,
- "<= str2entry NULL (smr_normalize %d)\n", rc, 0, 0 );
+ "<= str2entry NULL (smr_normalize %s %d)\n", ad->ad_cname.bv_val, rc, 0 );
goto fail;
}
}
/* e_private must be freed by the caller */
assert( e->e_private == NULL );
+ e->e_id = 0;
+
/* free DNs */
if ( !BER_BVISNULL( &e->e_name ) ) {
free( e->e_name.bv_val );
+ BER_BVZERO( &e->e_name );
}
if ( !BER_BVISNULL( &e->e_nname ) ) {
free( e->e_nname.bv_val );
+ BER_BVZERO( &e->e_nname );
}
if ( !BER_BVISNULL( &e->e_bv ) ) {
free( e->e_bv.bv_val );
- }
-
- if ( &e->e_abv ) {
- free( e->e_abv );
+ BER_BVZERO( &e->e_bv );
}
/* free attributes */
- attrs_free( e->e_attrs );
+ if ( e->e_attrs ) {
+ attrs_free( e->e_attrs );
+ e->e_attrs = NULL;
+ }
- memset(e, 0, sizeof(Entry));
+ e->e_ocflags = 0;
}
void
ldap_pvt_thread_mutex_unlock( &entry_mutex );
}
+/* These parameters work well on AMD64 */
+#if 0
+#define STRIDE 8
+#define STRIPE 5
+#else
+#define STRIDE 1
+#define STRIPE 1
+#endif
+#define STRIDE_FACTOR (STRIDE*STRIPE)
+
int
entry_prealloc( int num )
{
- Entry *e;
+ Entry *e, **prev, *tmp;
slap_list *s;
+ int i, j;
if (!num) return 0;
+#if STRIDE_FACTOR > 1
+ /* Round up to our stride factor */
+ num += STRIDE_FACTOR-1;
+ num /= STRIDE_FACTOR;
+ num *= STRIDE_FACTOR;
+#endif
+
s = ch_calloc( 1, sizeof(slap_list) + num * sizeof(Entry));
s->next = entry_chunks;
entry_chunks = s;
- e = (Entry *)(s+1);
- for ( ;num>1; num--) {
- e->e_private = e+1;
- e++;
+ prev = &tmp;
+ for (i=0; i<STRIPE; i++) {
+ e = (Entry *)(s+1);
+ e += i;
+ for (j=i; j<num; j+= STRIDE) {
+ *prev = e;
+ prev = (Entry **)&e->e_private;
+ e += STRIDE;
+ }
}
- e->e_private = entry_list;
+ *prev = entry_list;
entry_list = (Entry *)(s+1);
return 0;
*ptr++ = '\0';
if (a->a_vals) {
for (i=0; a->a_vals[i].bv_val; i++);
+ assert( i == a->a_numvals );
entry_putlen(&ptr, i);
for (i=0; a->a_vals[i].bv_val; i++) {
entry_putlen(&ptr, a->a_vals[i].bv_len);
}
/* Retrieve an Entry that was stored using entry_encode above.
- * We malloc a single block with the size stored above for the Entry
- * and all of its Attributes. We also must lookup the stored
- * attribute names to get AttributeDescriptions. To detect if the
- * attributes of an Entry are later modified, we note that e->e_attr
- * is always a constant offset from (e).
+ * First entry_header must be called to decode the size of the entry.
+ * Then a single block of memory must be malloc'd to accomodate the
+ * bervals and the bulk data. Next the bulk data is retrieved from
+ * the DB and parsed by entry_decode.
*
* Note: everything is stored in a single contiguous block, so
* you can not free individual attributes or names from this
* structure. Attempting to do so will likely corrupt memory.
*/
+int entry_header(EntryHeader *eh)
+{
+ unsigned char *ptr = (unsigned char *)eh->bv.bv_val;
+
+ eh->nattrs = entry_getlen(&ptr);
+ if ( !eh->nattrs ) {
+ Debug( LDAP_DEBUG_ANY,
+ "entry_header: attribute count was zero\n", 0, 0, 0);
+ return LDAP_OTHER;
+ }
+ eh->nvals = entry_getlen(&ptr);
+ if ( !eh->nvals ) {
+ Debug( LDAP_DEBUG_ANY,
+ "entry_header: value count was zero\n", 0, 0, 0);
+ return LDAP_OTHER;
+ }
+ eh->data = (char *)ptr;
+ return LDAP_SUCCESS;
+}
+
#ifdef SLAP_ZONE_ALLOC
-int entry_decode(struct berval *bv, Entry **e, void *ctx)
+int entry_decode(EntryHeader *eh, Entry **e, void *ctx)
#else
-int entry_decode(struct berval *bv, Entry **e)
+int entry_decode(EntryHeader *eh, Entry **e)
#endif
{
- int i, j, count, nattrs, nvals;
+ int i, j, nattrs, nvals;
int rc;
Attribute *a;
Entry *x;
const char *text;
AttributeDescription *ad;
- unsigned char *ptr = (unsigned char *)bv->bv_val;
+ unsigned char *ptr = (unsigned char *)eh->bv.bv_val;
BerVarray bptr;
- nattrs = entry_getlen(&ptr);
- if (!nattrs) {
- Debug( LDAP_DEBUG_ANY,
- "entry_decode: attribute count was zero\n", 0, 0, 0);
- return LDAP_OTHER;
- }
- nvals = entry_getlen(&ptr);
- if (!nvals) {
- Debug( LDAP_DEBUG_ANY,
- "entry_decode: value count was zero\n", 0, 0, 0);
- return LDAP_OTHER;
- }
+ nattrs = eh->nattrs;
+ nvals = eh->nvals;
x = entry_alloc();
x->e_attrs = attrs_alloc( nattrs );
- x->e_abv = ch_malloc( nvals * sizeof( struct berval ));
+ ptr = (unsigned char *)eh->data;
i = entry_getlen(&ptr);
x->e_name.bv_val = (char *) ptr;
x->e_name.bv_len = i;
Debug( LDAP_DEBUG_TRACE,
"entry_decode: \"%s\"\n",
x->e_dn, 0, 0 );
- x->e_bv = *bv;
+ x->e_bv = eh->bv;
a = x->e_attrs;
- bptr = x->e_abv;
+ bptr = (BerVarray)eh->bv.bv_val;
while ((i = entry_getlen(&ptr))) {
struct berval bv;
ptr += i + 1;
a->a_desc = ad;
a->a_flags = SLAP_ATTR_DONT_FREE_DATA | SLAP_ATTR_DONT_FREE_VALS;
- count = j = entry_getlen(&ptr);
+ j = entry_getlen(&ptr);
+ a->a_numvals = j;
a->a_vals = bptr;
while (j) {
} else {
a->a_nvals = a->a_vals;
}
+ /* FIXME: This is redundant once a sorted entry is saved into the DB */
+ if ( a->a_desc->ad_type->sat_flags & SLAP_AT_SORTED_VAL ) {
+ rc = slap_sort_vals( (Modifications *)a, &text, &j, NULL );
+ if ( rc == LDAP_SUCCESS ) {
+ a->a_flags |= SLAP_ATTR_SORTED_VALS;
+ } else if ( rc == LDAP_TYPE_OR_VALUE_EXISTS ) {
+ /* should never happen */
+ Debug( LDAP_DEBUG_ANY,
+ "entry_decode: attributeType %s value #%d provided more than once\n",
+ a->a_desc->ad_cname.bv_val, j, 0 );
+ return rc;
+ }
+ }
a = a->a_next;
nattrs--;
if ( !nattrs )
ber_dupbv( &ret->e_nname, &e->e_nname );
ret->e_attrs = attrs_dup( e->e_attrs );
ret->e_ocflags = e->e_ocflags;
- ret->e_bv.bv_val = NULL;
- ret->e_bv.bv_len = 0;
- ret->e_private = NULL;
return ret;
}
+#if 1
+/* Duplicates an entry using a single malloc. Saves CPU time, increases
+ * heap usage because a single large malloc is harder to satisfy than
+ * lots of small ones, and the freed space isn't as easily reusable.
+ *
+ * Probably not worth using this function.
+ */
+Entry *entry_dup_bv( Entry *e )
+{
+ ber_len_t len;
+ int nattrs, nvals;
+ Entry *ret;
+ struct berval *bvl;
+ char *ptr;
+ Attribute *src, *dst;
+
+ ret = entry_alloc();
+
+ entry_partsize(e, &len, &nattrs, &nvals, 1);
+ ret->e_id = e->e_id;
+ ret->e_attrs = attrs_alloc( nattrs );
+ ret->e_ocflags = e->e_ocflags;
+ ret->e_bv.bv_len = len + nvals * sizeof(struct berval);
+ ret->e_bv.bv_val = ch_malloc( ret->e_bv.bv_len );
+
+ bvl = (struct berval *)ret->e_bv.bv_val;
+ ptr = (char *)(bvl + nvals);
+
+ ret->e_name.bv_len = e->e_name.bv_len;
+ ret->e_name.bv_val = ptr;
+ AC_MEMCPY( ptr, e->e_name.bv_val, e->e_name.bv_len );
+ ptr += e->e_name.bv_len;
+ *ptr++ = '\0';
+
+ ret->e_nname.bv_len = e->e_nname.bv_len;
+ ret->e_nname.bv_val = ptr;
+ AC_MEMCPY( ptr, e->e_nname.bv_val, e->e_nname.bv_len );
+ ptr += e->e_name.bv_len;
+ *ptr++ = '\0';
+
+ dst = ret->e_attrs;
+ for (src = e->e_attrs; src; src=src->a_next,dst=dst->a_next ) {
+ int i;
+ dst->a_desc = src->a_desc;
+ dst->a_flags = SLAP_ATTR_DONT_FREE_DATA | SLAP_ATTR_DONT_FREE_VALS;
+ dst->a_vals = bvl;
+ dst->a_numvals = src->a_numvals;
+ for ( i=0; src->a_vals[i].bv_val; i++ ) {
+ bvl->bv_len = src->a_vals[i].bv_len;
+ bvl->bv_val = ptr;
+ AC_MEMCPY( ptr, src->a_vals[i].bv_val, bvl->bv_len );
+ ptr += bvl->bv_len;
+ *ptr++ = '\0';
+ bvl++;
+ }
+ BER_BVZERO(bvl);
+ bvl++;
+ if ( src->a_vals != src->a_nvals ) {
+ dst->a_nvals = bvl;
+ for ( i=0; src->a_nvals[i].bv_val; i++ ) {
+ bvl->bv_len = src->a_nvals[i].bv_len;
+ bvl->bv_val = ptr;
+ AC_MEMCPY( ptr, src->a_nvals[i].bv_val, bvl->bv_len );
+ ptr += bvl->bv_len;
+ *ptr++ = '\0';
+ bvl++;
+ }
+ BER_BVZERO(bvl);
+ bvl++;
+ }
+ }
+ return ret;
+}
+#endif