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-rw-r--r--servers/slapd/back-bdb/tools.c1327
1 files changed, 1327 insertions, 0 deletions
diff --git a/servers/slapd/back-bdb/tools.c b/servers/slapd/back-bdb/tools.c
new file mode 100644
index 0000000..2345d65
--- /dev/null
+++ b/servers/slapd/back-bdb/tools.c
@@ -0,0 +1,1327 @@
+/* tools.c - tools for slap tools */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2000-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <ac/string.h>
+#include <ac/errno.h>
+
+#define AVL_INTERNAL
+#include "back-bdb.h"
+#include "idl.h"
+
+static DBC *cursor = NULL;
+static DBT key, data;
+static EntryHeader eh;
+static ID nid, previd = NOID;
+static char ehbuf[16];
+
+typedef struct dn_id {
+ ID id;
+ struct berval dn;
+} dn_id;
+
+#define HOLE_SIZE 4096
+static dn_id hbuf[HOLE_SIZE], *holes = hbuf;
+static unsigned nhmax = HOLE_SIZE;
+static unsigned nholes;
+
+static int index_nattrs;
+
+static struct berval *tool_base;
+static int tool_scope;
+static Filter *tool_filter;
+static Entry *tool_next_entry;
+
+#ifdef BDB_TOOL_IDL_CACHING
+#define bdb_tool_idl_cmp BDB_SYMBOL(tool_idl_cmp)
+#define bdb_tool_idl_flush_one BDB_SYMBOL(tool_idl_flush_one)
+#define bdb_tool_idl_flush BDB_SYMBOL(tool_idl_flush)
+
+static int bdb_tool_idl_flush( BackendDB *be );
+
+#define IDBLOCK 1024
+
+typedef struct bdb_tool_idl_cache_entry {
+ struct bdb_tool_idl_cache_entry *next;
+ ID ids[IDBLOCK];
+} bdb_tool_idl_cache_entry;
+
+typedef struct bdb_tool_idl_cache {
+ struct berval kstr;
+ bdb_tool_idl_cache_entry *head, *tail;
+ ID first, last;
+ int count;
+} bdb_tool_idl_cache;
+
+static bdb_tool_idl_cache_entry *bdb_tool_idl_free_list;
+#endif /* BDB_TOOL_IDL_CACHING */
+
+static ID bdb_tool_ix_id;
+static Operation *bdb_tool_ix_op;
+static int *bdb_tool_index_threads, bdb_tool_index_tcount;
+static void *bdb_tool_index_rec;
+static struct bdb_info *bdb_tool_info;
+static ldap_pvt_thread_mutex_t bdb_tool_index_mutex;
+static ldap_pvt_thread_cond_t bdb_tool_index_cond_main;
+static ldap_pvt_thread_cond_t bdb_tool_index_cond_work;
+
+#if DB_VERSION_FULL >= 0x04060000
+#define USE_TRICKLE 1
+#else
+/* Seems to slow things down too much in BDB 4.5 */
+#undef USE_TRICKLE
+#endif
+
+#ifdef USE_TRICKLE
+static ldap_pvt_thread_mutex_t bdb_tool_trickle_mutex;
+static ldap_pvt_thread_cond_t bdb_tool_trickle_cond;
+static ldap_pvt_thread_cond_t bdb_tool_trickle_cond_end;
+
+static void * bdb_tool_trickle_task( void *ctx, void *ptr );
+static int bdb_tool_trickle_active;
+#endif
+
+static void * bdb_tool_index_task( void *ctx, void *ptr );
+
+static int
+bdb_tool_entry_get_int( BackendDB *be, ID id, Entry **ep );
+
+static int bdb_tool_threads;
+
+int bdb_tool_entry_open(
+ BackendDB *be, int mode )
+{
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+
+ /* initialize key and data thangs */
+ DBTzero( &key );
+ DBTzero( &data );
+ key.flags = DB_DBT_USERMEM;
+ key.data = &nid;
+ key.size = key.ulen = sizeof( nid );
+ data.flags = DB_DBT_USERMEM;
+
+ if (cursor == NULL) {
+ int rc = bdb->bi_id2entry->bdi_db->cursor(
+ bdb->bi_id2entry->bdi_db, bdb->bi_cache.c_txn, &cursor,
+ bdb->bi_db_opflags );
+ if( rc != 0 ) {
+ return -1;
+ }
+ }
+
+ /* Set up for threaded slapindex */
+ if (( slapMode & (SLAP_TOOL_QUICK|SLAP_TOOL_READONLY)) == SLAP_TOOL_QUICK ) {
+ if ( !bdb_tool_info ) {
+#ifdef USE_TRICKLE
+ ldap_pvt_thread_mutex_init( &bdb_tool_trickle_mutex );
+ ldap_pvt_thread_cond_init( &bdb_tool_trickle_cond );
+ ldap_pvt_thread_cond_init( &bdb_tool_trickle_cond_end );
+ ldap_pvt_thread_pool_submit( &connection_pool, bdb_tool_trickle_task, bdb->bi_dbenv );
+#endif
+
+ ldap_pvt_thread_mutex_init( &bdb_tool_index_mutex );
+ ldap_pvt_thread_cond_init( &bdb_tool_index_cond_main );
+ ldap_pvt_thread_cond_init( &bdb_tool_index_cond_work );
+ if ( bdb->bi_nattrs ) {
+ int i;
+ bdb_tool_threads = slap_tool_thread_max - 1;
+ if ( bdb_tool_threads > 1 ) {
+ bdb_tool_index_threads = ch_malloc( bdb_tool_threads * sizeof( int ));
+ bdb_tool_index_rec = ch_malloc( bdb->bi_nattrs * sizeof( IndexRec ));
+ bdb_tool_index_tcount = bdb_tool_threads - 1;
+ for (i=1; i<bdb_tool_threads; i++) {
+ int *ptr = ch_malloc( sizeof( int ));
+ *ptr = i;
+ ldap_pvt_thread_pool_submit( &connection_pool,
+ bdb_tool_index_task, ptr );
+ }
+ }
+ }
+ bdb_tool_info = bdb;
+ }
+ }
+
+ return 0;
+}
+
+int bdb_tool_entry_close(
+ BackendDB *be )
+{
+ if ( bdb_tool_info ) {
+ slapd_shutdown = 1;
+#ifdef USE_TRICKLE
+ ldap_pvt_thread_mutex_lock( &bdb_tool_trickle_mutex );
+
+ /* trickle thread may not have started yet */
+ while ( !bdb_tool_trickle_active )
+ ldap_pvt_thread_cond_wait( &bdb_tool_trickle_cond_end,
+ &bdb_tool_trickle_mutex );
+
+ ldap_pvt_thread_cond_signal( &bdb_tool_trickle_cond );
+ while ( bdb_tool_trickle_active )
+ ldap_pvt_thread_cond_wait( &bdb_tool_trickle_cond_end,
+ &bdb_tool_trickle_mutex );
+ ldap_pvt_thread_mutex_unlock( &bdb_tool_trickle_mutex );
+#endif
+ if ( bdb_tool_threads > 1 ) {
+ ldap_pvt_thread_mutex_lock( &bdb_tool_index_mutex );
+
+ /* There might still be some threads starting */
+ while ( bdb_tool_index_tcount > 0 ) {
+ ldap_pvt_thread_cond_wait( &bdb_tool_index_cond_main,
+ &bdb_tool_index_mutex );
+ }
+
+ bdb_tool_index_tcount = bdb_tool_threads - 1;
+ ldap_pvt_thread_cond_broadcast( &bdb_tool_index_cond_work );
+
+ /* Make sure all threads are stopped */
+ while ( bdb_tool_index_tcount > 0 ) {
+ ldap_pvt_thread_cond_wait( &bdb_tool_index_cond_main,
+ &bdb_tool_index_mutex );
+ }
+ ldap_pvt_thread_mutex_unlock( &bdb_tool_index_mutex );
+
+ ch_free( bdb_tool_index_threads );
+ ch_free( bdb_tool_index_rec );
+ bdb_tool_index_tcount = bdb_tool_threads - 1;
+ }
+ bdb_tool_info = NULL;
+ slapd_shutdown = 0;
+ }
+
+ if( eh.bv.bv_val ) {
+ ch_free( eh.bv.bv_val );
+ eh.bv.bv_val = NULL;
+ }
+
+ if( cursor ) {
+ cursor->c_close( cursor );
+ cursor = NULL;
+ }
+
+#ifdef BDB_TOOL_IDL_CACHING
+ bdb_tool_idl_flush( be );
+#endif
+
+ if( nholes ) {
+ unsigned i;
+ fprintf( stderr, "Error, entries missing!\n");
+ for (i=0; i<nholes; i++) {
+ fprintf(stderr, " entry %ld: %s\n",
+ holes[i].id, holes[i].dn.bv_val);
+ }
+ return -1;
+ }
+
+ return 0;
+}
+
+ID
+bdb_tool_entry_first_x(
+ BackendDB *be,
+ struct berval *base,
+ int scope,
+ Filter *f )
+{
+ tool_base = base;
+ tool_scope = scope;
+ tool_filter = f;
+
+ return bdb_tool_entry_next( be );
+}
+
+ID bdb_tool_entry_next(
+ BackendDB *be )
+{
+ int rc;
+ ID id;
+ struct bdb_info *bdb;
+
+ assert( be != NULL );
+ assert( slapMode & SLAP_TOOL_MODE );
+
+ bdb = (struct bdb_info *) be->be_private;
+ assert( bdb != NULL );
+
+next:;
+ /* Get the header */
+ data.ulen = data.dlen = sizeof( ehbuf );
+ data.data = ehbuf;
+ data.flags |= DB_DBT_PARTIAL;
+ rc = cursor->c_get( cursor, &key, &data, DB_NEXT );
+
+ if( rc ) {
+ /* If we're doing linear indexing and there are more attrs to
+ * index, and we're at the end of the database, start over.
+ */
+ if ( index_nattrs && rc == DB_NOTFOUND ) {
+ /* optional - do a checkpoint here? */
+ bdb_attr_info_free( bdb->bi_attrs[0] );
+ bdb->bi_attrs[0] = bdb->bi_attrs[index_nattrs];
+ index_nattrs--;
+ rc = cursor->c_get( cursor, &key, &data, DB_FIRST );
+ if ( rc ) {
+ return NOID;
+ }
+ } else {
+ return NOID;
+ }
+ }
+
+ BDB_DISK2ID( key.data, &id );
+ previd = id;
+
+ if ( tool_filter || tool_base ) {
+ static Operation op = {0};
+ static Opheader ohdr = {0};
+
+ op.o_hdr = &ohdr;
+ op.o_bd = be;
+ op.o_tmpmemctx = NULL;
+ op.o_tmpmfuncs = &ch_mfuncs;
+
+ if ( tool_next_entry ) {
+ bdb_entry_release( &op, tool_next_entry, 0 );
+ tool_next_entry = NULL;
+ }
+
+ rc = bdb_tool_entry_get_int( be, id, &tool_next_entry );
+ if ( rc == LDAP_NO_SUCH_OBJECT ) {
+ goto next;
+ }
+
+ assert( tool_next_entry != NULL );
+
+#ifdef BDB_HIER
+ /* TODO: needed until BDB_HIER is handled accordingly
+ * in bdb_tool_entry_get_int() */
+ if ( tool_base && !dnIsSuffixScope( &tool_next_entry->e_nname, tool_base, tool_scope ) )
+ {
+ bdb_entry_release( &op, tool_next_entry, 0 );
+ tool_next_entry = NULL;
+ goto next;
+ }
+#endif
+
+ if ( tool_filter && test_filter( NULL, tool_next_entry, tool_filter ) != LDAP_COMPARE_TRUE )
+ {
+ bdb_entry_release( &op, tool_next_entry, 0 );
+ tool_next_entry = NULL;
+ goto next;
+ }
+ }
+
+ return id;
+}
+
+ID bdb_tool_dn2id_get(
+ Backend *be,
+ struct berval *dn
+)
+{
+ Operation op = {0};
+ Opheader ohdr = {0};
+ EntryInfo *ei = NULL;
+ int rc;
+
+ if ( BER_BVISEMPTY(dn) )
+ return 0;
+
+ op.o_hdr = &ohdr;
+ op.o_bd = be;
+ op.o_tmpmemctx = NULL;
+ op.o_tmpmfuncs = &ch_mfuncs;
+
+ rc = bdb_cache_find_ndn( &op, 0, dn, &ei );
+ if ( ei ) bdb_cache_entryinfo_unlock( ei );
+ if ( rc == DB_NOTFOUND )
+ return NOID;
+
+ return ei->bei_id;
+}
+
+static int
+bdb_tool_entry_get_int( BackendDB *be, ID id, Entry **ep )
+{
+ Entry *e = NULL;
+ char *dptr;
+ int rc, eoff;
+
+ assert( be != NULL );
+ assert( slapMode & SLAP_TOOL_MODE );
+
+ if ( ( tool_filter || tool_base ) && id == previd && tool_next_entry != NULL ) {
+ *ep = tool_next_entry;
+ tool_next_entry = NULL;
+ return LDAP_SUCCESS;
+ }
+
+ if ( id != previd ) {
+ data.ulen = data.dlen = sizeof( ehbuf );
+ data.data = ehbuf;
+ data.flags |= DB_DBT_PARTIAL;
+
+ BDB_ID2DISK( id, &nid );
+ rc = cursor->c_get( cursor, &key, &data, DB_SET );
+ if ( rc ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+ }
+
+ /* Get the header */
+ dptr = eh.bv.bv_val;
+ eh.bv.bv_val = ehbuf;
+ eh.bv.bv_len = data.size;
+ rc = entry_header( &eh );
+ eoff = eh.data - eh.bv.bv_val;
+ eh.bv.bv_val = dptr;
+ if ( rc ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+
+ /* Get the size */
+ data.flags &= ~DB_DBT_PARTIAL;
+ data.ulen = 0;
+ rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
+ if ( rc != DB_BUFFER_SMALL ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+
+ /* Allocate a block and retrieve the data */
+ eh.bv.bv_len = eh.nvals * sizeof( struct berval ) + data.size;
+ eh.bv.bv_val = ch_realloc( eh.bv.bv_val, eh.bv.bv_len );
+ eh.data = eh.bv.bv_val + eh.nvals * sizeof( struct berval );
+ data.data = eh.data;
+ data.ulen = data.size;
+
+ /* Skip past already parsed nattr/nvals */
+ eh.data += eoff;
+
+ rc = cursor->c_get( cursor, &key, &data, DB_CURRENT );
+ if ( rc ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+
+#ifndef BDB_HIER
+ /* TODO: handle BDB_HIER accordingly */
+ if ( tool_base != NULL ) {
+ struct berval ndn;
+ entry_decode_dn( &eh, NULL, &ndn );
+
+ if ( !dnIsSuffixScope( &ndn, tool_base, tool_scope ) ) {
+ return LDAP_NO_SUCH_OBJECT;
+ }
+ }
+#endif
+
+#ifdef SLAP_ZONE_ALLOC
+ /* FIXME: will add ctx later */
+ rc = entry_decode( &eh, &e, NULL );
+#else
+ rc = entry_decode( &eh, &e );
+#endif
+
+ if( rc == LDAP_SUCCESS ) {
+ e->e_id = id;
+#ifdef BDB_HIER
+ if ( slapMode & SLAP_TOOL_READONLY ) {
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+ EntryInfo *ei = NULL;
+ Operation op = {0};
+ Opheader ohdr = {0};
+
+ op.o_hdr = &ohdr;
+ op.o_bd = be;
+ op.o_tmpmemctx = NULL;
+ op.o_tmpmfuncs = &ch_mfuncs;
+
+ rc = bdb_cache_find_parent( &op, bdb->bi_cache.c_txn, id, &ei );
+ if ( rc == LDAP_SUCCESS ) {
+ bdb_cache_entryinfo_unlock( ei );
+ e->e_private = ei;
+ ei->bei_e = e;
+ bdb_fix_dn( e, 0 );
+ ei->bei_e = NULL;
+ e->e_private = NULL;
+ }
+ }
+#endif
+ }
+done:
+ if ( e != NULL ) {
+ *ep = e;
+ }
+
+ return rc;
+}
+
+Entry*
+bdb_tool_entry_get( BackendDB *be, ID id )
+{
+ Entry *e = NULL;
+
+ (void)bdb_tool_entry_get_int( be, id, &e );
+ return e;
+}
+
+static int bdb_tool_next_id(
+ Operation *op,
+ DB_TXN *tid,
+ Entry *e,
+ struct berval *text,
+ int hole )
+{
+ struct berval dn = e->e_name;
+ struct berval ndn = e->e_nname;
+ struct berval pdn, npdn;
+ EntryInfo *ei = NULL, eidummy;
+ int rc;
+
+ if (ndn.bv_len == 0) {
+ e->e_id = 0;
+ return 0;
+ }
+
+ rc = bdb_cache_find_ndn( op, tid, &ndn, &ei );
+ if ( ei ) bdb_cache_entryinfo_unlock( ei );
+ if ( rc == DB_NOTFOUND ) {
+ if ( !be_issuffix( op->o_bd, &ndn ) ) {
+ ID eid = e->e_id;
+ dnParent( &dn, &pdn );
+ dnParent( &ndn, &npdn );
+ e->e_name = pdn;
+ e->e_nname = npdn;
+ rc = bdb_tool_next_id( op, tid, e, text, 1 );
+ e->e_name = dn;
+ e->e_nname = ndn;
+ if ( rc ) {
+ return rc;
+ }
+ /* If parent didn't exist, it was created just now
+ * and its ID is now in e->e_id. Make sure the current
+ * entry gets added under the new parent ID.
+ */
+ if ( eid != e->e_id ) {
+ eidummy.bei_id = e->e_id;
+ ei = &eidummy;
+ }
+ }
+ rc = bdb_next_id( op->o_bd, &e->e_id );
+ if ( rc ) {
+ snprintf( text->bv_val, text->bv_len,
+ "next_id failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> bdb_tool_next_id: %s\n", text->bv_val, 0, 0 );
+ return rc;
+ }
+ rc = bdb_dn2id_add( op, tid, ei, e );
+ if ( rc ) {
+ snprintf( text->bv_val, text->bv_len,
+ "dn2id_add failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> bdb_tool_next_id: %s\n", text->bv_val, 0, 0 );
+ } else if ( hole ) {
+ if ( nholes == nhmax - 1 ) {
+ if ( holes == hbuf ) {
+ holes = ch_malloc( nhmax * sizeof(dn_id) * 2 );
+ AC_MEMCPY( holes, hbuf, sizeof(hbuf) );
+ } else {
+ holes = ch_realloc( holes, nhmax * sizeof(dn_id) * 2 );
+ }
+ nhmax *= 2;
+ }
+ ber_dupbv( &holes[nholes].dn, &ndn );
+ holes[nholes++].id = e->e_id;
+ }
+ } else if ( !hole ) {
+ unsigned i, j;
+
+ e->e_id = ei->bei_id;
+
+ for ( i=0; i<nholes; i++) {
+ if ( holes[i].id == e->e_id ) {
+ free(holes[i].dn.bv_val);
+ for (j=i;j<nholes;j++) holes[j] = holes[j+1];
+ holes[j].id = 0;
+ nholes--;
+ break;
+ } else if ( holes[i].id > e->e_id ) {
+ break;
+ }
+ }
+ }
+ return rc;
+}
+
+static int
+bdb_tool_index_add(
+ Operation *op,
+ DB_TXN *txn,
+ Entry *e )
+{
+ struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
+
+ if ( !bdb->bi_nattrs )
+ return 0;
+
+ if ( bdb_tool_threads > 1 ) {
+ IndexRec *ir;
+ int i, rc;
+ Attribute *a;
+
+ ir = bdb_tool_index_rec;
+ memset(ir, 0, bdb->bi_nattrs * sizeof( IndexRec ));
+
+ for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
+ rc = bdb_index_recset( bdb, a, a->a_desc->ad_type,
+ &a->a_desc->ad_tags, ir );
+ if ( rc )
+ return rc;
+ }
+ bdb_tool_ix_id = e->e_id;
+ bdb_tool_ix_op = op;
+ ldap_pvt_thread_mutex_lock( &bdb_tool_index_mutex );
+ /* Wait for all threads to be ready */
+ while ( bdb_tool_index_tcount > 0 ) {
+ ldap_pvt_thread_cond_wait( &bdb_tool_index_cond_main,
+ &bdb_tool_index_mutex );
+ }
+ for ( i=1; i<bdb_tool_threads; i++ )
+ bdb_tool_index_threads[i] = LDAP_BUSY;
+ bdb_tool_index_tcount = bdb_tool_threads - 1;
+ ldap_pvt_thread_cond_broadcast( &bdb_tool_index_cond_work );
+ ldap_pvt_thread_mutex_unlock( &bdb_tool_index_mutex );
+ rc = bdb_index_recrun( op, bdb, ir, e->e_id, 0 );
+ if ( rc )
+ return rc;
+ ldap_pvt_thread_mutex_lock( &bdb_tool_index_mutex );
+ for ( i=1; i<bdb_tool_threads; i++ ) {
+ if ( bdb_tool_index_threads[i] == LDAP_BUSY ) {
+ ldap_pvt_thread_cond_wait( &bdb_tool_index_cond_main,
+ &bdb_tool_index_mutex );
+ i--;
+ continue;
+ }
+ if ( bdb_tool_index_threads[i] ) {
+ rc = bdb_tool_index_threads[i];
+ break;
+ }
+ }
+ ldap_pvt_thread_mutex_unlock( &bdb_tool_index_mutex );
+ return rc;
+ } else {
+ return bdb_index_entry_add( op, txn, e );
+ }
+}
+
+ID bdb_tool_entry_put(
+ BackendDB *be,
+ Entry *e,
+ struct berval *text )
+{
+ int rc;
+ struct bdb_info *bdb;
+ DB_TXN *tid = NULL;
+ Operation op = {0};
+ Opheader ohdr = {0};
+
+ assert( be != NULL );
+ assert( slapMode & SLAP_TOOL_MODE );
+
+ assert( text != NULL );
+ assert( text->bv_val != NULL );
+ assert( text->bv_val[0] == '\0' ); /* overconservative? */
+
+ Debug( LDAP_DEBUG_TRACE, "=> " LDAP_XSTRING(bdb_tool_entry_put)
+ "( %ld, \"%s\" )\n", (long) e->e_id, e->e_dn, 0 );
+
+ bdb = (struct bdb_info *) be->be_private;
+
+ if (! (slapMode & SLAP_TOOL_QUICK)) {
+ rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &tid,
+ bdb->bi_db_opflags );
+ if( rc != 0 ) {
+ snprintf( text->bv_val, text->bv_len,
+ "txn_begin failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_put) ": %s\n",
+ text->bv_val, 0, 0 );
+ return NOID;
+ }
+ Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_tool_entry_put) ": txn id: %x\n",
+ tid->id(tid), 0, 0 );
+ }
+
+ op.o_hdr = &ohdr;
+ op.o_bd = be;
+ op.o_tmpmemctx = NULL;
+ op.o_tmpmfuncs = &ch_mfuncs;
+
+ /* add dn2id indices */
+ rc = bdb_tool_next_id( &op, tid, e, text, 0 );
+ if( rc != 0 ) {
+ goto done;
+ }
+
+#ifdef USE_TRICKLE
+ if (( slapMode & SLAP_TOOL_QUICK ) && (( e->e_id & 0xfff ) == 0xfff )) {
+ ldap_pvt_thread_cond_signal( &bdb_tool_trickle_cond );
+ }
+#endif
+
+ if ( !bdb->bi_linear_index )
+ rc = bdb_tool_index_add( &op, tid, e );
+ if( rc != 0 ) {
+ snprintf( text->bv_val, text->bv_len,
+ "index_entry_add failed: %s (%d)",
+ rc == LDAP_OTHER ? "Internal error" :
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_put) ": %s\n",
+ text->bv_val, 0, 0 );
+ goto done;
+ }
+
+ /* id2entry index */
+ rc = bdb_id2entry_add( be, tid, e );
+ if( rc != 0 ) {
+ snprintf( text->bv_val, text->bv_len,
+ "id2entry_add failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_put) ": %s\n",
+ text->bv_val, 0, 0 );
+ goto done;
+ }
+
+done:
+ if( rc == 0 ) {
+ if ( !( slapMode & SLAP_TOOL_QUICK )) {
+ rc = TXN_COMMIT( tid, 0 );
+ if( rc != 0 ) {
+ snprintf( text->bv_val, text->bv_len,
+ "txn_commit failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_put) ": %s\n",
+ text->bv_val, 0, 0 );
+ e->e_id = NOID;
+ }
+ }
+
+ } else {
+ if ( !( slapMode & SLAP_TOOL_QUICK )) {
+ TXN_ABORT( tid );
+ snprintf( text->bv_val, text->bv_len,
+ "txn_aborted! %s (%d)",
+ rc == LDAP_OTHER ? "Internal error" :
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_put) ": %s\n",
+ text->bv_val, 0, 0 );
+ }
+ e->e_id = NOID;
+ }
+
+ return e->e_id;
+}
+
+int bdb_tool_entry_reindex(
+ BackendDB *be,
+ ID id,
+ AttributeDescription **adv )
+{
+ struct bdb_info *bi = (struct bdb_info *) be->be_private;
+ int rc;
+ Entry *e;
+ DB_TXN *tid = NULL;
+ Operation op = {0};
+ Opheader ohdr = {0};
+
+ Debug( LDAP_DEBUG_ARGS,
+ "=> " LDAP_XSTRING(bdb_tool_entry_reindex) "( %ld )\n",
+ (long) id, 0, 0 );
+ assert( tool_base == NULL );
+ assert( tool_filter == NULL );
+
+ /* No indexes configured, nothing to do. Could return an
+ * error here to shortcut things.
+ */
+ if (!bi->bi_attrs) {
+ return 0;
+ }
+
+ /* Check for explicit list of attrs to index */
+ if ( adv ) {
+ int i, j, n;
+
+ if ( bi->bi_attrs[0]->ai_desc != adv[0] ) {
+ /* count */
+ for ( n = 0; adv[n]; n++ ) ;
+
+ /* insertion sort */
+ for ( i = 0; i < n; i++ ) {
+ AttributeDescription *ad = adv[i];
+ for ( j = i-1; j>=0; j--) {
+ if ( SLAP_PTRCMP( adv[j], ad ) <= 0 ) break;
+ adv[j+1] = adv[j];
+ }
+ adv[j+1] = ad;
+ }
+ }
+
+ for ( i = 0; adv[i]; i++ ) {
+ if ( bi->bi_attrs[i]->ai_desc != adv[i] ) {
+ for ( j = i+1; j < bi->bi_nattrs; j++ ) {
+ if ( bi->bi_attrs[j]->ai_desc == adv[i] ) {
+ AttrInfo *ai = bi->bi_attrs[i];
+ bi->bi_attrs[i] = bi->bi_attrs[j];
+ bi->bi_attrs[j] = ai;
+ break;
+ }
+ }
+ if ( j == bi->bi_nattrs ) {
+ Debug( LDAP_DEBUG_ANY,
+ LDAP_XSTRING(bdb_tool_entry_reindex)
+ ": no index configured for %s\n",
+ adv[i]->ad_cname.bv_val, 0, 0 );
+ return -1;
+ }
+ }
+ }
+ bi->bi_nattrs = i;
+ }
+
+ /* Get the first attribute to index */
+ if (bi->bi_linear_index && !index_nattrs) {
+ index_nattrs = bi->bi_nattrs - 1;
+ bi->bi_nattrs = 1;
+ }
+
+ e = bdb_tool_entry_get( be, id );
+
+ if( e == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ LDAP_XSTRING(bdb_tool_entry_reindex)
+ ": could not locate id=%ld\n",
+ (long) id, 0, 0 );
+ return -1;
+ }
+
+ op.o_hdr = &ohdr;
+ op.o_bd = be;
+ op.o_tmpmemctx = NULL;
+ op.o_tmpmfuncs = &ch_mfuncs;
+
+ if (! (slapMode & SLAP_TOOL_QUICK)) {
+ rc = TXN_BEGIN( bi->bi_dbenv, NULL, &tid, bi->bi_db_opflags );
+ if( rc != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_reindex) ": "
+ "txn_begin failed: %s (%d)\n",
+ db_strerror(rc), rc, 0 );
+ goto done;
+ }
+ Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_tool_entry_reindex) ": txn id: %x\n",
+ tid->id(tid), 0, 0 );
+ }
+
+ /*
+ * just (re)add them for now
+ * assume that some other routine (not yet implemented)
+ * will zap index databases
+ *
+ */
+
+ Debug( LDAP_DEBUG_TRACE,
+ "=> " LDAP_XSTRING(bdb_tool_entry_reindex) "( %ld, \"%s\" )\n",
+ (long) id, e->e_dn, 0 );
+
+ rc = bdb_tool_index_add( &op, tid, e );
+
+done:
+ if( rc == 0 ) {
+ if (! (slapMode & SLAP_TOOL_QUICK)) {
+ rc = TXN_COMMIT( tid, 0 );
+ if( rc != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_reindex)
+ ": txn_commit failed: %s (%d)\n",
+ db_strerror(rc), rc, 0 );
+ e->e_id = NOID;
+ }
+ }
+
+ } else {
+ if (! (slapMode & SLAP_TOOL_QUICK)) {
+ TXN_ABORT( tid );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_reindex)
+ ": txn_aborted! %s (%d)\n",
+ db_strerror(rc), rc, 0 );
+ }
+ e->e_id = NOID;
+ }
+ bdb_entry_release( &op, e, 0 );
+
+ return rc;
+}
+
+ID bdb_tool_entry_modify(
+ BackendDB *be,
+ Entry *e,
+ struct berval *text )
+{
+ int rc;
+ struct bdb_info *bdb;
+ DB_TXN *tid = NULL;
+ Operation op = {0};
+ Opheader ohdr = {0};
+
+ assert( be != NULL );
+ assert( slapMode & SLAP_TOOL_MODE );
+
+ assert( text != NULL );
+ assert( text->bv_val != NULL );
+ assert( text->bv_val[0] == '\0' ); /* overconservative? */
+
+ assert ( e->e_id != NOID );
+
+ Debug( LDAP_DEBUG_TRACE,
+ "=> " LDAP_XSTRING(bdb_tool_entry_modify) "( %ld, \"%s\" )\n",
+ (long) e->e_id, e->e_dn, 0 );
+
+ bdb = (struct bdb_info *) be->be_private;
+
+ if (! (slapMode & SLAP_TOOL_QUICK)) {
+ if( cursor ) {
+ cursor->c_close( cursor );
+ cursor = NULL;
+ }
+ rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &tid,
+ bdb->bi_db_opflags );
+ if( rc != 0 ) {
+ snprintf( text->bv_val, text->bv_len,
+ "txn_begin failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_modify) ": %s\n",
+ text->bv_val, 0, 0 );
+ return NOID;
+ }
+ Debug( LDAP_DEBUG_TRACE, LDAP_XSTRING(bdb_tool_entry_modify) ": txn id: %x\n",
+ tid->id(tid), 0, 0 );
+ }
+
+ op.o_hdr = &ohdr;
+ op.o_bd = be;
+ op.o_tmpmemctx = NULL;
+ op.o_tmpmfuncs = &ch_mfuncs;
+
+ /* id2entry index */
+ rc = bdb_id2entry_update( be, tid, e );
+ if( rc != 0 ) {
+ snprintf( text->bv_val, text->bv_len,
+ "id2entry_add failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_modify) ": %s\n",
+ text->bv_val, 0, 0 );
+ goto done;
+ }
+
+done:
+ if( rc == 0 ) {
+ if (! (slapMode & SLAP_TOOL_QUICK)) {
+ rc = TXN_COMMIT( tid, 0 );
+ if( rc != 0 ) {
+ snprintf( text->bv_val, text->bv_len,
+ "txn_commit failed: %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_modify) ": "
+ "%s\n", text->bv_val, 0, 0 );
+ e->e_id = NOID;
+ }
+ }
+
+ } else {
+ if (! (slapMode & SLAP_TOOL_QUICK)) {
+ TXN_ABORT( tid );
+ snprintf( text->bv_val, text->bv_len,
+ "txn_aborted! %s (%d)",
+ db_strerror(rc), rc );
+ Debug( LDAP_DEBUG_ANY,
+ "=> " LDAP_XSTRING(bdb_tool_entry_modify) ": %s\n",
+ text->bv_val, 0, 0 );
+ }
+ e->e_id = NOID;
+ }
+
+ return e->e_id;
+}
+
+#ifdef BDB_TOOL_IDL_CACHING
+static int
+bdb_tool_idl_cmp( const void *v1, const void *v2 )
+{
+ const bdb_tool_idl_cache *c1 = v1, *c2 = v2;
+ int rc;
+
+ if (( rc = c1->kstr.bv_len - c2->kstr.bv_len )) return rc;
+ return memcmp( c1->kstr.bv_val, c2->kstr.bv_val, c1->kstr.bv_len );
+}
+
+static int
+bdb_tool_idl_flush_one( void *v1, void *arg )
+{
+ bdb_tool_idl_cache *ic = v1;
+ DB *db = arg;
+ struct bdb_info *bdb = bdb_tool_info;
+ bdb_tool_idl_cache_entry *ice;
+ DBC *curs;
+ DBT key, data;
+ int i, rc;
+ ID id, nid;
+
+ /* Freshly allocated, ignore it */
+ if ( !ic->head && ic->count <= BDB_IDL_DB_SIZE ) {
+ return 0;
+ }
+
+ rc = db->cursor( db, NULL, &curs, 0 );
+ if ( rc )
+ return -1;
+
+ DBTzero( &key );
+ DBTzero( &data );
+
+ bv2DBT( &ic->kstr, &key );
+
+ data.size = data.ulen = sizeof( ID );
+ data.flags = DB_DBT_USERMEM;
+ data.data = &nid;
+
+ rc = curs->c_get( curs, &key, &data, DB_SET );
+ /* If key already exists and we're writing a range... */
+ if ( rc == 0 && ic->count > BDB_IDL_DB_SIZE ) {
+ /* If it's not currently a range, must delete old info */
+ if ( nid ) {
+ /* Skip lo */
+ while ( curs->c_get( curs, &key, &data, DB_NEXT_DUP ) == 0 )
+ curs->c_del( curs, 0 );
+
+ nid = 0;
+ /* Store range marker */
+ curs->c_put( curs, &key, &data, DB_KEYFIRST );
+ } else {
+
+ /* Skip lo */
+ rc = curs->c_get( curs, &key, &data, DB_NEXT_DUP );
+
+ /* Get hi */
+ rc = curs->c_get( curs, &key, &data, DB_NEXT_DUP );
+
+ /* Delete hi */
+ curs->c_del( curs, 0 );
+ }
+ BDB_ID2DISK( ic->last, &nid );
+ curs->c_put( curs, &key, &data, DB_KEYLAST );
+ rc = 0;
+ } else if ( rc && rc != DB_NOTFOUND ) {
+ rc = -1;
+ } else if ( ic->count > BDB_IDL_DB_SIZE ) {
+ /* range, didn't exist before */
+ nid = 0;
+ rc = curs->c_put( curs, &key, &data, DB_KEYLAST );
+ if ( rc == 0 ) {
+ BDB_ID2DISK( ic->first, &nid );
+ rc = curs->c_put( curs, &key, &data, DB_KEYLAST );
+ if ( rc == 0 ) {
+ BDB_ID2DISK( ic->last, &nid );
+ rc = curs->c_put( curs, &key, &data, DB_KEYLAST );
+ }
+ }
+ if ( rc ) {
+ rc = -1;
+ }
+ } else {
+ int n;
+
+ /* Just a normal write */
+ rc = 0;
+ for ( ice = ic->head, n=0; ice; ice = ice->next, n++ ) {
+ int end;
+ if ( ice->next ) {
+ end = IDBLOCK;
+ } else {
+ end = ic->count & (IDBLOCK-1);
+ if ( !end )
+ end = IDBLOCK;
+ }
+ for ( i=0; i<end; i++ ) {
+ if ( !ice->ids[i] ) continue;
+ BDB_ID2DISK( ice->ids[i], &nid );
+ rc = curs->c_put( curs, &key, &data, DB_NODUPDATA );
+ if ( rc ) {
+ if ( rc == DB_KEYEXIST ) {
+ rc = 0;
+ continue;
+ }
+ rc = -1;
+ break;
+ }
+ }
+ if ( rc ) {
+ rc = -1;
+ break;
+ }
+ }
+ if ( ic->head ) {
+ ldap_pvt_thread_mutex_lock( &bdb->bi_idl_tree_lrulock );
+ ic->tail->next = bdb_tool_idl_free_list;
+ bdb_tool_idl_free_list = ic->head;
+ bdb->bi_idl_cache_size -= n;
+ ldap_pvt_thread_mutex_unlock( &bdb->bi_idl_tree_lrulock );
+ }
+ }
+ if ( ic != db->app_private ) {
+ ch_free( ic );
+ } else {
+ ic->head = ic->tail = NULL;
+ }
+ curs->c_close( curs );
+ return rc;
+}
+
+static int
+bdb_tool_idl_flush_db( DB *db, bdb_tool_idl_cache *ic )
+{
+ Avlnode *root = db->app_private;
+ int rc;
+
+ db->app_private = ic;
+ rc = avl_apply( root, bdb_tool_idl_flush_one, db, -1, AVL_INORDER );
+ avl_free( root, NULL );
+ db->app_private = NULL;
+ if ( rc != -1 )
+ rc = 0;
+ return rc;
+}
+
+static int
+bdb_tool_idl_flush( BackendDB *be )
+{
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+ DB *db;
+ Avlnode *root;
+ int i, rc = 0;
+
+ for ( i=BDB_NDB; i < bdb->bi_ndatabases; i++ ) {
+ db = bdb->bi_databases[i]->bdi_db;
+ if ( !db->app_private ) continue;
+ rc = bdb_tool_idl_flush_db( db, NULL );
+ if ( rc )
+ break;
+ }
+ if ( !rc ) {
+ bdb->bi_idl_cache_size = 0;
+ }
+ return rc;
+}
+
+int bdb_tool_idl_add(
+ BackendDB *be,
+ DB *db,
+ DB_TXN *txn,
+ DBT *key,
+ ID id )
+{
+ struct bdb_info *bdb = (struct bdb_info *) be->be_private;
+ bdb_tool_idl_cache *ic, itmp;
+ bdb_tool_idl_cache_entry *ice;
+ int rc;
+
+ if ( !bdb->bi_idl_cache_max_size )
+ return bdb_idl_insert_key( be, db, txn, key, id );
+
+ DBT2bv( key, &itmp.kstr );
+
+ ic = avl_find( (Avlnode *)db->app_private, &itmp, bdb_tool_idl_cmp );
+
+ /* No entry yet, create one */
+ if ( !ic ) {
+ DBC *curs;
+ DBT data;
+ ID nid;
+ int rc;
+
+ ic = ch_malloc( sizeof( bdb_tool_idl_cache ) + itmp.kstr.bv_len );
+ ic->kstr.bv_len = itmp.kstr.bv_len;
+ ic->kstr.bv_val = (char *)(ic+1);
+ AC_MEMCPY( ic->kstr.bv_val, itmp.kstr.bv_val, ic->kstr.bv_len );
+ ic->head = ic->tail = NULL;
+ ic->last = 0;
+ ic->count = 0;
+ avl_insert( (Avlnode **)&db->app_private, ic, bdb_tool_idl_cmp,
+ avl_dup_error );
+
+ /* load existing key count here */
+ rc = db->cursor( db, NULL, &curs, 0 );
+ if ( rc ) return rc;
+
+ data.ulen = sizeof( ID );
+ data.flags = DB_DBT_USERMEM;
+ data.data = &nid;
+ rc = curs->c_get( curs, key, &data, DB_SET );
+ if ( rc == 0 ) {
+ if ( nid == 0 ) {
+ ic->count = BDB_IDL_DB_SIZE+1;
+ } else {
+ db_recno_t count;
+
+ curs->c_count( curs, &count, 0 );
+ ic->count = count;
+ BDB_DISK2ID( &nid, &ic->first );
+ }
+ }
+ curs->c_close( curs );
+ }
+ /* are we a range already? */
+ if ( ic->count > BDB_IDL_DB_SIZE ) {
+ ic->last = id;
+ return 0;
+ /* Are we at the limit, and converting to a range? */
+ } else if ( ic->count == BDB_IDL_DB_SIZE ) {
+ int n;
+ for ( ice = ic->head, n=0; ice; ice = ice->next, n++ )
+ /* counting */ ;
+ if ( n ) {
+ ldap_pvt_thread_mutex_lock( &bdb->bi_idl_tree_lrulock );
+ ic->tail->next = bdb_tool_idl_free_list;
+ bdb_tool_idl_free_list = ic->head;
+ bdb->bi_idl_cache_size -= n;
+ ldap_pvt_thread_mutex_unlock( &bdb->bi_idl_tree_lrulock );
+ }
+ ic->head = ic->tail = NULL;
+ ic->last = id;
+ ic->count++;
+ return 0;
+ }
+ /* No free block, create that too */
+ if ( !ic->tail || ( ic->count & (IDBLOCK-1)) == 0) {
+ ice = NULL;
+ ldap_pvt_thread_mutex_lock( &bdb->bi_idl_tree_lrulock );
+ if ( bdb->bi_idl_cache_size >= bdb->bi_idl_cache_max_size ) {
+ ldap_pvt_thread_mutex_unlock( &bdb->bi_idl_tree_lrulock );
+ rc = bdb_tool_idl_flush_db( db, ic );
+ if ( rc )
+ return rc;
+ avl_insert( (Avlnode **)&db->app_private, ic, bdb_tool_idl_cmp,
+ avl_dup_error );
+ ldap_pvt_thread_mutex_lock( &bdb->bi_idl_tree_lrulock );
+ }
+ bdb->bi_idl_cache_size++;
+ if ( bdb_tool_idl_free_list ) {
+ ice = bdb_tool_idl_free_list;
+ bdb_tool_idl_free_list = ice->next;
+ }
+ ldap_pvt_thread_mutex_unlock( &bdb->bi_idl_tree_lrulock );
+ if ( !ice ) {
+ ice = ch_malloc( sizeof( bdb_tool_idl_cache_entry ));
+ }
+ memset( ice, 0, sizeof( *ice ));
+ if ( !ic->head ) {
+ ic->head = ice;
+ } else {
+ ic->tail->next = ice;
+ }
+ ic->tail = ice;
+ if ( !ic->count )
+ ic->first = id;
+ }
+ ice = ic->tail;
+ ice->ids[ ic->count & (IDBLOCK-1) ] = id;
+ ic->count++;
+
+ return 0;
+}
+#endif
+
+#ifdef USE_TRICKLE
+static void *
+bdb_tool_trickle_task( void *ctx, void *ptr )
+{
+ DB_ENV *env = ptr;
+ int wrote;
+
+ ldap_pvt_thread_mutex_lock( &bdb_tool_trickle_mutex );
+ bdb_tool_trickle_active = 1;
+ ldap_pvt_thread_cond_signal( &bdb_tool_trickle_cond_end );
+ while ( 1 ) {
+ ldap_pvt_thread_cond_wait( &bdb_tool_trickle_cond,
+ &bdb_tool_trickle_mutex );
+ if ( slapd_shutdown )
+ break;
+ env->memp_trickle( env, 30, &wrote );
+ }
+ bdb_tool_trickle_active = 0;
+ ldap_pvt_thread_cond_signal( &bdb_tool_trickle_cond_end );
+ ldap_pvt_thread_mutex_unlock( &bdb_tool_trickle_mutex );
+
+ return NULL;
+}
+#endif
+
+static void *
+bdb_tool_index_task( void *ctx, void *ptr )
+{
+ int base = *(int *)ptr;
+
+ free( ptr );
+ while ( 1 ) {
+ ldap_pvt_thread_mutex_lock( &bdb_tool_index_mutex );
+ bdb_tool_index_tcount--;
+ if ( !bdb_tool_index_tcount )
+ ldap_pvt_thread_cond_signal( &bdb_tool_index_cond_main );
+ ldap_pvt_thread_cond_wait( &bdb_tool_index_cond_work,
+ &bdb_tool_index_mutex );
+ if ( slapd_shutdown ) {
+ bdb_tool_index_tcount--;
+ if ( !bdb_tool_index_tcount )
+ ldap_pvt_thread_cond_signal( &bdb_tool_index_cond_main );
+ ldap_pvt_thread_mutex_unlock( &bdb_tool_index_mutex );
+ break;
+ }
+ ldap_pvt_thread_mutex_unlock( &bdb_tool_index_mutex );
+
+ bdb_tool_index_threads[base] = bdb_index_recrun( bdb_tool_ix_op,
+ bdb_tool_info, bdb_tool_index_rec, bdb_tool_ix_id, base );
+ }
+
+ return NULL;
+}