git.sur5r.net Git - openldap/blob - servers/slapd/back-mdb/tools.c

   1 /* tools.c - tools for slap tools */
   2 /* $OpenLDAP$ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 2011-2013 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20 #include <ac/string.h>
  21 #include <ac/errno.h>
  22
  23 #define AVL_INTERNAL
  24 #include "back-mdb.h"
  25 #include "idl.h"
  26
  27 #ifdef MDB_TOOL_IDL_CACHING
  28 static int mdb_tool_idl_flush( BackendDB *be, MDB_txn *txn );
  29
  30 #define IDBLOCK 1024
  31
  32 typedef struct mdb_tool_idl_cache_entry {
  33         struct mdb_tool_idl_cache_entry *next;
  34         ID ids[IDBLOCK];
  35 } mdb_tool_idl_cache_entry;
  36
  37 typedef struct mdb_tool_idl_cache {
  38         struct berval kstr;
  39         mdb_tool_idl_cache_entry *head, *tail;
  40         ID first, last;
  41         int count;
  42         short offset;
  43         short flags;
  44 } mdb_tool_idl_cache;
  45 #define WAS_FOUND       0x01
  46 #define WAS_RANGE       0x02
  47
  48 #define MDB_TOOL_IDL_FLUSH(be, txn)     mdb_tool_idl_flush(be, txn)
  49 #else
  50 #define MDB_TOOL_IDL_FLUSH(be, txn)
  51 #endif /* MDB_TOOL_IDL_CACHING */
  52
  53 static MDB_txn *txn = NULL, *txi = NULL;
  54 static MDB_cursor *cursor = NULL, *idcursor = NULL;
  55 static MDB_cursor *mcp = NULL, *mcd = NULL;
  56 static MDB_val key, data;
  57 static ID previd = NOID;
  58
  59 typedef struct dn_id {
  60         ID id;
  61         struct berval dn;
  62 } dn_id;
  63
  64 #define HOLE_SIZE       4096
  65 static dn_id hbuf[HOLE_SIZE], *holes = hbuf;
  66 static unsigned nhmax = HOLE_SIZE;
  67 static unsigned nholes;
  68
  69 static struct berval    *tool_base;
  70 static int              tool_scope;
  71 static Filter           *tool_filter;
  72 static Entry            *tool_next_entry;
  73
  74 static ID mdb_tool_ix_id;
  75 static BackendDB *mdb_tool_ix_be;
  76 static MDB_txn *mdb_tool_ix_txn;
  77 static int mdb_tool_index_tcount, mdb_tool_threads;
  78 static IndexRec *mdb_tool_index_rec;
  79 static AttrIxInfo **mdb_tool_axinfo;
  80 static struct mdb_info *mdb_tool_info;
  81 static ldap_pvt_thread_mutex_t mdb_tool_index_mutex;
  82 static ldap_pvt_thread_cond_t mdb_tool_index_cond_main;
  83 static ldap_pvt_thread_cond_t mdb_tool_index_cond_work;
  84 static void * mdb_tool_index_task( void *ctx, void *ptr );
  85
  86 static int      mdb_writes, mdb_writes_per_commit;
  87
  88 /* Number of ops per commit in Quick mode.
  89  * Batching speeds writes overall, but too large a
  90  * batch will fail with MDB_TXN_FULL.
  91  */
  92 #ifndef MDB_WRITES_PER_COMMIT
  93 #define MDB_WRITES_PER_COMMIT   500
  94 #endif
  95
  96 static int
  97 mdb_tool_entry_get_int( BackendDB *be, ID id, Entry **ep );
  98
  99 int mdb_tool_entry_open(
 100         BackendDB *be, int mode )
 101 {
 102         /* In Quick mode, commit once per 500 entries */
 103         mdb_writes = 0;
 104         if ( slapMode & SLAP_TOOL_QUICK )
 105                 mdb_writes_per_commit = MDB_WRITES_PER_COMMIT;
 106         else
 107                 mdb_writes_per_commit = 1;
 108
 109 #ifdef MDB_TOOL_IDL_CACHING                     /* threaded indexing has no performance advantage */
 110         /* Set up for threaded slapindex */
 111         if (( slapMode & (SLAP_TOOL_QUICK|SLAP_TOOL_READONLY)) == SLAP_TOOL_QUICK ) {
 112                 if ( !mdb_tool_info ) {
 113                         struct mdb_info *mdb = (struct mdb_info *) be->be_private;
 114                         ldap_pvt_thread_mutex_init( &mdb_tool_index_mutex );
 115                         ldap_pvt_thread_cond_init( &mdb_tool_index_cond_main );
 116                         ldap_pvt_thread_cond_init( &mdb_tool_index_cond_work );
 117                         if ( mdb->mi_nattrs ) {
 118                                 int i;
 119                                 mdb_tool_threads = slap_tool_thread_max - 1;
 120                                 if ( mdb_tool_threads > 1 ) {
 121                                         mdb_tool_index_rec = ch_calloc( mdb->mi_nattrs, sizeof( IndexRec ));
 122                                         mdb_tool_axinfo = ch_calloc( mdb_tool_threads, sizeof( AttrIxInfo* ) +
 123                                                 sizeof( AttrIxInfo ));
 124                                         mdb_tool_axinfo[0] = (AttrIxInfo *)(mdb_tool_axinfo + mdb_tool_threads);
 125                                         for (i=1; i<mdb_tool_threads; i++)
 126                                                 mdb_tool_axinfo[i] = mdb_tool_axinfo[i-1]+1;
 127                                         mdb_tool_index_tcount = mdb_tool_threads - 1;
 128                                         mdb_tool_ix_be = be;
 129                                         for (i=1; i<mdb_tool_threads; i++) {
 130                                                 int *ptr = ch_malloc( sizeof( int ));
 131                                                 *ptr = i;
 132                                                 ldap_pvt_thread_pool_submit( &connection_pool,
 133                                                         mdb_tool_index_task, ptr );
 134                                         }
 135                                         mdb_tool_info = mdb;
 136                                 }
 137                         }
 138                 }
 139         }
 140 #endif
 141
 142         return 0;
 143 }
 144
 145 int mdb_tool_entry_close(
 146         BackendDB *be )
 147 {
 148 #ifdef MDB_TOOL_IDL_CACHING
 149         if ( mdb_tool_info ) {
 150                 int i;
 151                 slapd_shutdown = 1;
 152                 ldap_pvt_thread_mutex_lock( &mdb_tool_index_mutex );
 153
 154                 /* There might still be some threads starting */
 155                 while ( mdb_tool_index_tcount > 0 ) {
 156                         ldap_pvt_thread_cond_wait( &mdb_tool_index_cond_main,
 157                                         &mdb_tool_index_mutex );
 158                 }
 159
 160                 mdb_tool_index_tcount = mdb_tool_threads - 1;
 161                 ldap_pvt_thread_cond_broadcast( &mdb_tool_index_cond_work );
 162
 163                 /* Make sure all threads are stopped */
 164                 while ( mdb_tool_index_tcount > 0 ) {
 165                         ldap_pvt_thread_cond_wait( &mdb_tool_index_cond_main,
 166                                 &mdb_tool_index_mutex );
 167                 }
 168                 ldap_pvt_thread_mutex_unlock( &mdb_tool_index_mutex );
 169
 170                 mdb_tool_info = NULL;
 171                 slapd_shutdown = 0;
 172                 ch_free( mdb_tool_index_rec );
 173                 mdb_tool_index_tcount = mdb_tool_threads - 1;
 174                 if (txn)
 175                         MDB_TOOL_IDL_FLUSH( be, txn );
 176                 for (i=0; i<mdb_tool_threads; i++) {
 177                         mdb_tool_idl_cache *ic;
 178                         mdb_tool_idl_cache_entry *ice;
 179                         while ((ic = mdb_tool_axinfo[i]->ai_clist)) {
 180                                 mdb_tool_axinfo[i]->ai_clist = ic->head;
 181                                 free(ic);
 182                         }
 183                         while ((ice = mdb_tool_axinfo[i]->ai_flist)) {
 184                                 mdb_tool_axinfo[i]->ai_flist = ice->next;
 185                                 free(ice);
 186                         }
 187                 }
 188         }
 189 #endif
 190
 191         if( idcursor ) {
 192                 mdb_cursor_close( idcursor );
 193                 idcursor = NULL;
 194         }
 195         if( cursor ) {
 196                 mdb_cursor_close( cursor );
 197                 cursor = NULL;
 198         }
 199         if( txn ) {
 200                 int rc;
 201                 if (( rc = mdb_txn_commit( txn ))) {
 202                         Debug( LDAP_DEBUG_ANY,
 203                                 LDAP_XSTRING(mdb_tool_entry_close) ": database %s: "
 204                                 "txn_commit failed: %s (%d)\n",
 205                                 be->be_suffix[0].bv_val, mdb_strerror(rc), rc );
 206                         return -1;
 207                 }
 208                 txn = NULL;
 209         }
 210
 211         if( nholes ) {
 212                 unsigned i;
 213                 fprintf( stderr, "Error, entries missing!\n");
 214                 for (i=0; i<nholes; i++) {
 215                         fprintf(stderr, "  entry %ld: %s\n",
 216                                 holes[i].id, holes[i].dn.bv_val);
 217                 }
 218                 nholes = 0;
 219                 return -1;
 220         }
 221
 222         return 0;
 223 }
 224
 225 ID
 226 mdb_tool_entry_first_x(
 227         BackendDB *be,
 228         struct berval *base,
 229         int scope,
 230         Filter *f )
 231 {
 232         tool_base = base;
 233         tool_scope = scope;
 234         tool_filter = f;
 235
 236         return mdb_tool_entry_next( be );
 237 }
 238
 239 ID mdb_tool_entry_next(
 240         BackendDB *be )
 241 {
 242         int rc;
 243         ID id;
 244         struct mdb_info *mdb;
 245
 246         assert( be != NULL );
 247         assert( slapMode & SLAP_TOOL_MODE );
 248
 249         mdb = (struct mdb_info *) be->be_private;
 250         assert( mdb != NULL );
 251
 252         if ( !txn ) {
 253                 rc = mdb_txn_begin( mdb->mi_dbenv, NULL, MDB_RDONLY, &txn );
 254                 if ( rc )
 255                         return NOID;
 256                 rc = mdb_cursor_open( txn, mdb->mi_id2entry, &cursor );
 257                 if ( rc ) {
 258                         mdb_txn_abort( txn );
 259                         return NOID;
 260                 }
 261         }
 262
 263 next:;
 264         rc = mdb_cursor_get( cursor, &key, &data, MDB_NEXT );
 265
 266         if( rc ) {
 267                 return NOID;
 268         }
 269
 270         previd = *(ID *)key.mv_data;
 271         id = previd;
 272
 273         if ( !data.mv_size )
 274                 goto next;
 275
 276         if ( tool_filter || tool_base ) {
 277                 static Operation op = {0};
 278                 static Opheader ohdr = {0};
 279
 280                 op.o_hdr = &ohdr;
 281                 op.o_bd = be;
 282                 op.o_tmpmemctx = NULL;
 283                 op.o_tmpmfuncs = &ch_mfuncs;
 284
 285                 if ( tool_next_entry ) {
 286                         mdb_entry_release( &op, tool_next_entry, 0 );
 287                         tool_next_entry = NULL;
 288                 }
 289
 290                 rc = mdb_tool_entry_get_int( be, id, &tool_next_entry );
 291                 if ( rc == LDAP_NO_SUCH_OBJECT ) {
 292                         goto next;
 293                 }
 294
 295                 assert( tool_next_entry != NULL );
 296
 297                 if ( tool_filter && test_filter( NULL, tool_next_entry, tool_filter ) != LDAP_COMPARE_TRUE )
 298                 {
 299                         mdb_entry_release( &op, tool_next_entry, 0 );
 300                         tool_next_entry = NULL;
 301                         goto next;
 302                 }
 303         }
 304
 305         return id;
 306 }
 307
 308 ID mdb_tool_dn2id_get(
 309         Backend *be,
 310         struct berval *dn
 311 )
 312 {
 313         struct mdb_info *mdb;
 314         Operation op = {0};
 315         Opheader ohdr = {0};
 316         ID id;
 317         int rc;
 318
 319         if ( BER_BVISEMPTY(dn) )
 320                 return 0;
 321
 322         mdb = (struct mdb_info *) be->be_private;
 323
 324         if ( !txn ) {
 325                 rc = mdb_txn_begin( mdb->mi_dbenv, NULL, (slapMode & SLAP_TOOL_READONLY) != 0 ?
 326                         MDB_RDONLY : 0, &txn );
 327                 if ( rc )
 328                         return NOID;
 329         }
 330
 331         op.o_hdr = &ohdr;
 332         op.o_bd = be;
 333         op.o_tmpmemctx = NULL;
 334         op.o_tmpmfuncs = &ch_mfuncs;
 335
 336         rc = mdb_dn2id( &op, txn, NULL, dn, &id, NULL, NULL, NULL );
 337         if ( rc == MDB_NOTFOUND )
 338                 return NOID;
 339
 340         return id;
 341 }
 342
 343 static int
 344 mdb_tool_entry_get_int( BackendDB *be, ID id, Entry **ep )
 345 {
 346         Operation op = {0};
 347         Opheader ohdr = {0};
 348
 349         Entry *e = NULL;
 350         struct berval dn = BER_BVNULL, ndn = BER_BVNULL;
 351         int rc;
 352
 353         assert( be != NULL );
 354         assert( slapMode & SLAP_TOOL_MODE );
 355
 356         if ( ( tool_filter || tool_base ) && id == previd && tool_next_entry != NULL ) {
 357                 *ep = tool_next_entry;
 358                 tool_next_entry = NULL;
 359                 return LDAP_SUCCESS;
 360         }
 361
 362         if ( id != previd ) {
 363                 key.mv_size = sizeof(ID);
 364                 key.mv_data = &id;
 365                 rc = mdb_cursor_get( cursor, &key, &data, MDB_SET );
 366                 if ( rc ) {
 367                         rc = LDAP_OTHER;
 368                         goto done;
 369                 }
 370         }
 371         if ( !data.mv_size ) {
 372                 rc = LDAP_NO_SUCH_OBJECT;
 373                 goto done;
 374         }
 375
 376         op.o_hdr = &ohdr;
 377         op.o_bd = be;
 378         op.o_tmpmemctx = NULL;
 379         op.o_tmpmfuncs = &ch_mfuncs;
 380         if ( slapMode & SLAP_TOOL_READONLY ) {
 381                 rc = mdb_id2name( &op, txn, &idcursor, id, &dn, &ndn );
 382                 if ( rc  ) {
 383                         rc = LDAP_OTHER;
 384                         if ( e ) {
 385                                 mdb_entry_return( &op, e );
 386                                 e = NULL;
 387                         }
 388                         goto done;
 389                 }
 390                 if ( tool_base != NULL ) {
 391                         if ( !dnIsSuffixScope( &ndn, tool_base, tool_scope ) ) {
 392                                 ch_free( dn.bv_val );
 393                                 ch_free( ndn.bv_val );
 394                                 rc = LDAP_NO_SUCH_OBJECT;
 395                                 goto done;
 396                         }
 397                 }
 398         }
 399         rc = mdb_entry_decode( &op, &data, &e );
 400         e->e_id = id;
 401         if ( !BER_BVISNULL( &dn )) {
 402                 e->e_name = dn;
 403                 e->e_nname = ndn;
 404         } else {
 405                 e->e_name.bv_val = NULL;
 406                 e->e_nname.bv_val = NULL;
 407         }
 408
 409 done:
 410         if ( e != NULL ) {
 411                 *ep = e;
 412         }
 413
 414         return rc;
 415 }
 416
 417 Entry*
 418 mdb_tool_entry_get( BackendDB *be, ID id )
 419 {
 420         Entry *e = NULL;
 421         int rc;
 422
 423         if ( !txn ) {
 424                 struct mdb_info *mdb = (struct mdb_info *) be->be_private;
 425                 rc = mdb_txn_begin( mdb->mi_dbenv, NULL,
 426                         (slapMode & SLAP_TOOL_READONLY) ? MDB_RDONLY : 0, &txn );
 427                 if ( rc )
 428                         return NULL;
 429         }
 430         if ( !cursor ) {
 431                 struct mdb_info *mdb = (struct mdb_info *) be->be_private;
 432                 rc = mdb_cursor_open( txn, mdb->mi_id2entry, &cursor );
 433                 if ( rc ) {
 434                         mdb_txn_abort( txn );
 435                         txn = NULL;
 436                         return NULL;
 437                 }
 438         }
 439         (void)mdb_tool_entry_get_int( be, id, &e );
 440         return e;
 441 }
 442
 443 static int mdb_tool_next_id(
 444         Operation *op,
 445         MDB_txn *tid,
 446         Entry *e,
 447         struct berval *text,
 448         int hole )
 449 {
 450         struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
 451         struct berval dn = e->e_name;
 452         struct berval ndn = e->e_nname;
 453         struct berval pdn, npdn, nmatched;
 454         ID id, pid = 0;
 455         int rc;
 456
 457         if (ndn.bv_len == 0) {
 458                 e->e_id = 0;
 459                 return 0;
 460         }
 461
 462         rc = mdb_dn2id( op, tid, mcp, &ndn, &id, NULL, NULL, &nmatched );
 463         if ( rc == MDB_NOTFOUND ) {
 464                 if ( !be_issuffix( op->o_bd, &ndn ) ) {
 465                         ID eid = e->e_id;
 466                         dnParent( &ndn, &npdn );
 467                         if ( nmatched.bv_len != npdn.bv_len ) {
 468                                 dnParent( &dn, &pdn );
 469                                 e->e_name = pdn;
 470                                 e->e_nname = npdn;
 471                                 rc = mdb_tool_next_id( op, tid, e, text, 1 );
 472                                 e->e_name = dn;
 473                                 e->e_nname = ndn;
 474                                 if ( rc ) {
 475                                         return rc;
 476                                 }
 477                                 /* If parent didn't exist, it was created just now
 478                                  * and its ID is now in e->e_id. Make sure the current
 479                                  * entry gets added under the new parent ID.
 480                                  */
 481                                 if ( eid != e->e_id ) {
 482                                         pid = e->e_id;
 483                                 }
 484                         } else {
 485                                 pid = id;
 486                         }
 487                 }
 488                 rc = mdb_next_id( op->o_bd, idcursor, &e->e_id );
 489                 if ( rc ) {
 490                         snprintf( text->bv_val, text->bv_len,
 491                                 "next_id failed: %s (%d)",
 492                                 mdb_strerror(rc), rc );
 493                 Debug( LDAP_DEBUG_ANY,
 494                         "=> mdb_tool_next_id: %s\n", text->bv_val, 0, 0 );
 495                         return rc;
 496                 }
 497                 rc = mdb_dn2id_add( op, mcp, mcd, pid, 1, 1, e );
 498                 if ( rc ) {
 499                         snprintf( text->bv_val, text->bv_len,
 500                                 "dn2id_add failed: %s (%d)",
 501                                 mdb_strerror(rc), rc );
 502                         Debug( LDAP_DEBUG_ANY,
 503                                 "=> mdb_tool_next_id: %s\n", text->bv_val, 0, 0 );
 504                 } else if ( hole ) {
 505                         MDB_val key, data;
 506                         if ( nholes == nhmax - 1 ) {
 507                                 if ( holes == hbuf ) {
 508                                         holes = ch_malloc( nhmax * sizeof(dn_id) * 2 );
 509                                         AC_MEMCPY( holes, hbuf, sizeof(hbuf) );
 510                                 } else {
 511                                         holes = ch_realloc( holes, nhmax * sizeof(dn_id) * 2 );
 512                                 }
 513                                 nhmax *= 2;
 514                         }
 515                         ber_dupbv( &holes[nholes].dn, &ndn );
 516                         holes[nholes++].id = e->e_id;
 517                         key.mv_size = sizeof(ID);
 518                         key.mv_data = &e->e_id;
 519                         data.mv_size = 0;
 520                         data.mv_data = NULL;
 521                         rc = mdb_cursor_put( idcursor, &key, &data, MDB_NOOVERWRITE );
 522                         if ( rc == MDB_KEYEXIST )
 523                                 rc = 0;
 524                         if ( rc ) {
 525                                 snprintf( text->bv_val, text->bv_len,
 526                                         "dummy id2entry add failed: %s (%d)",
 527                                         mdb_strerror(rc), rc );
 528                                 Debug( LDAP_DEBUG_ANY,
 529                                         "=> mdb_tool_next_id: %s\n", text->bv_val, 0, 0 );
 530                         }
 531                 }
 532         } else if ( !hole ) {
 533                 unsigned i, j;
 534
 535                 e->e_id = id;
 536
 537                 for ( i=0; i<nholes; i++) {
 538                         if ( holes[i].id == e->e_id ) {
 539                                 free(holes[i].dn.bv_val);
 540                                 for (j=i;j<nholes;j++) holes[j] = holes[j+1];
 541                                 holes[j].id = 0;
 542                                 nholes--;
 543                                 break;
 544                         } else if ( holes[i].id > e->e_id ) {
 545                                 break;
 546                         }
 547                 }
 548         }
 549         return rc;
 550 }
 551
 552 static int
 553 mdb_tool_index_add(
 554         Operation *op,
 555         MDB_txn *txn,
 556         Entry *e )
 557 {
 558         struct mdb_info *mdb = (struct mdb_info *) op->o_bd->be_private;
 559
 560         if ( !mdb->mi_nattrs )
 561                 return 0;
 562
 563         if ( mdb_tool_threads > 1 ) {
 564                 IndexRec *ir;
 565                 int i, rc;
 566                 Attribute *a;
 567
 568                 ir = mdb_tool_index_rec;
 569                 for (i=0; i<mdb->mi_nattrs; i++)
 570                         ir[i].ir_attrs = NULL;
 571
 572                 for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 573                         rc = mdb_index_recset( mdb, a, a->a_desc->ad_type,
 574                                 &a->a_desc->ad_tags, ir );
 575                         if ( rc )
 576                                 return rc;
 577                 }
 578                 for (i=0; i<mdb->mi_nattrs; i++) {
 579                         if ( !ir[i].ir_ai )
 580                                 break;
 581                         rc = mdb_cursor_open( txn, ir[i].ir_ai->ai_dbi,
 582                                  &ir[i].ir_ai->ai_cursor );
 583                         if ( rc )
 584                                 return rc;
 585                 }
 586                 mdb_tool_ix_id = e->e_id;
 587                 mdb_tool_ix_txn = txn;
 588                 ldap_pvt_thread_mutex_lock( &mdb_tool_index_mutex );
 589                 /* Wait for all threads to be ready */
 590                 while ( mdb_tool_index_tcount ) {
 591                         ldap_pvt_thread_cond_wait( &mdb_tool_index_cond_main,
 592                                 &mdb_tool_index_mutex );
 593                 }
 594
 595                 for ( i=1; i<mdb_tool_threads; i++ )
 596                         mdb_tool_index_rec[i].ir_i = LDAP_BUSY;
 597                 mdb_tool_index_tcount = mdb_tool_threads - 1;
 598                 ldap_pvt_thread_cond_broadcast( &mdb_tool_index_cond_work );
 599                 ldap_pvt_thread_mutex_unlock( &mdb_tool_index_mutex );
 600
 601                 return mdb_index_recrun( op, txn, mdb, ir, e->e_id, 0 );
 602         } else
 603         {
 604                 return mdb_index_entry_add( op, txn, e );
 605         }
 606 }
 607
 608 static int
 609 mdb_tool_index_finish()
 610 {
 611         int i, rc;
 612         ldap_pvt_thread_mutex_lock( &mdb_tool_index_mutex );
 613         for ( i=1; i<mdb_tool_threads; i++ ) {
 614                 if ( mdb_tool_index_rec[i].ir_i == LDAP_BUSY ) {
 615                         ldap_pvt_thread_cond_wait( &mdb_tool_index_cond_main,
 616                                 &mdb_tool_index_mutex );
 617                         i--;
 618                         continue;
 619                 }
 620                 if ( mdb_tool_index_rec[i].ir_i ) {
 621                         rc = mdb_tool_index_rec[i].ir_i;
 622                         break;
 623                 }
 624         }
 625         ldap_pvt_thread_mutex_unlock( &mdb_tool_index_mutex );
 626         return rc;
 627 }
 628
 629 ID mdb_tool_entry_put(
 630         BackendDB *be,
 631         Entry *e,
 632         struct berval *text )
 633 {
 634         int rc;
 635         struct mdb_info *mdb;
 636         Operation op = {0};
 637         Opheader ohdr = {0};
 638
 639         assert( be != NULL );
 640         assert( slapMode & SLAP_TOOL_MODE );
 641
 642         assert( text != NULL );
 643         assert( text->bv_val != NULL );
 644         assert( text->bv_val[0] == '\0' );      /* overconservative? */
 645
 646         Debug( LDAP_DEBUG_TRACE, "=> " LDAP_XSTRING(mdb_tool_entry_put)
 647                 "( %ld, \"%s\" )\n", (long) e->e_id, e->e_dn, 0 );
 648
 649         mdb = (struct mdb_info *) be->be_private;
 650
 651         if ( !txn ) {
 652                 rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &txn );
 653                 if( rc != 0 ) {
 654                         snprintf( text->bv_val, text->bv_len,
 655                                 "txn_begin failed: %s (%d)",
 656                                 mdb_strerror(rc), rc );
 657                         Debug( LDAP_DEBUG_ANY,
 658                                 "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 659                                  text->bv_val, 0, 0 );
 660                         return NOID;
 661                 }
 662                 rc = mdb_cursor_open( txn, mdb->mi_id2entry, &idcursor );
 663                 if( rc != 0 ) {
 664                         snprintf( text->bv_val, text->bv_len,
 665                                 "cursor_open failed: %s (%d)",
 666                                 mdb_strerror(rc), rc );
 667                         Debug( LDAP_DEBUG_ANY,
 668                                 "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 669                                  text->bv_val, 0, 0 );
 670                         return NOID;
 671                 }
 672                 if ( !mdb->mi_nextid ) {
 673                         ID dummy;
 674                         mdb_next_id( be, idcursor, &dummy );
 675                 }
 676                 rc = mdb_cursor_open( txn, mdb->mi_dn2id, &mcp );
 677                 if( rc != 0 ) {
 678                         snprintf( text->bv_val, text->bv_len,
 679                                 "cursor_open failed: %s (%d)",
 680                                 mdb_strerror(rc), rc );
 681                         Debug( LDAP_DEBUG_ANY,
 682                                 "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 683                                  text->bv_val, 0, 0 );
 684                         return NOID;
 685                 }
 686                 rc = mdb_cursor_open( txn, mdb->mi_dn2id, &mcd );
 687                 if( rc != 0 ) {
 688                         snprintf( text->bv_val, text->bv_len,
 689                                 "cursor_open failed: %s (%d)",
 690                                 mdb_strerror(rc), rc );
 691                         Debug( LDAP_DEBUG_ANY,
 692                                 "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 693                                  text->bv_val, 0, 0 );
 694                         return NOID;
 695                 }
 696         }
 697
 698         op.o_hdr = &ohdr;
 699         op.o_bd = be;
 700         op.o_tmpmemctx = NULL;
 701         op.o_tmpmfuncs = &ch_mfuncs;
 702
 703         /* add dn2id indices */
 704         rc = mdb_tool_next_id( &op, txn, e, text, 0 );
 705         if( rc != 0 ) {
 706                 goto done;
 707         }
 708
 709         LDAP_SLIST_INSERT_HEAD( &op.o_extra, &mdb_tool_axinfo[0]->ai_oe, oe_next );
 710         rc = mdb_tool_index_add( &op, txn, e );
 711         if( rc != 0 ) {
 712                 snprintf( text->bv_val, text->bv_len,
 713                                 "index_entry_add failed: err=%d", rc );
 714                 Debug( LDAP_DEBUG_ANY,
 715                         "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 716                         text->bv_val, 0, 0 );
 717                 goto done;
 718         }
 719
 720
 721         /* id2entry index */
 722         rc = mdb_id2entry_add( &op, txn, idcursor, e );
 723         if( rc != 0 ) {
 724                 snprintf( text->bv_val, text->bv_len,
 725                                 "id2entry_add failed: err=%d", rc );
 726                 Debug( LDAP_DEBUG_ANY,
 727                         "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 728                         text->bv_val, 0, 0 );
 729                 goto done;
 730         }
 731
 732         if( mdb->mi_nattrs && mdb_tool_threads > 1 )
 733                 rc = mdb_tool_index_finish();
 734
 735 done:
 736         if( rc == 0 ) {
 737                 mdb_writes++;
 738                 if ( mdb_writes >= mdb_writes_per_commit ) {
 739                         unsigned i;
 740                         MDB_TOOL_IDL_FLUSH( be, txn );
 741                         rc = mdb_txn_commit( txn );
 742                         for ( i=0; i<mdb->mi_nattrs; i++ )
 743                                 mdb->mi_attrs[i]->ai_cursor = NULL;
 744                         mdb_writes = 0;
 745                         txn = NULL;
 746                         idcursor = NULL;
 747                         if( rc != 0 ) {
 748                                 snprintf( text->bv_val, text->bv_len,
 749                                                 "txn_commit failed: %s (%d)",
 750                                                 mdb_strerror(rc), rc );
 751                                 Debug( LDAP_DEBUG_ANY,
 752                                         "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 753                                         text->bv_val, 0, 0 );
 754                                 e->e_id = NOID;
 755                         }
 756                 }
 757
 758         } else {
 759                 unsigned i;
 760                 mdb_txn_abort( txn );
 761                 txn = NULL;
 762                 idcursor = NULL;
 763                 for ( i=0; i<mdb->mi_nattrs; i++ )
 764                         mdb->mi_attrs[i]->ai_cursor = NULL;
 765                 mdb_writes = 0;
 766                 snprintf( text->bv_val, text->bv_len,
 767                         "txn_aborted! %s (%d)",
 768                         rc == LDAP_OTHER ? "Internal error" :
 769                         mdb_strerror(rc), rc );
 770                 Debug( LDAP_DEBUG_ANY,
 771                         "=> " LDAP_XSTRING(mdb_tool_entry_put) ": %s\n",
 772                         text->bv_val, 0, 0 );
 773                 e->e_id = NOID;
 774         }
 775
 776         return e->e_id;
 777 }
 778
 779 static int mdb_dn2id_upgrade( BackendDB *be );
 780
 781 int mdb_tool_entry_reindex(
 782         BackendDB *be,
 783         ID id,
 784         AttributeDescription **adv )
 785 {
 786         struct mdb_info *mi = (struct mdb_info *) be->be_private;
 787         int rc;
 788         Entry *e;
 789         Operation op = {0};
 790         Opheader ohdr = {0};
 791
 792         Debug( LDAP_DEBUG_ARGS,
 793                 "=> " LDAP_XSTRING(mdb_tool_entry_reindex) "( %ld )\n",
 794                 (long) id, 0, 0 );
 795         assert( tool_base == NULL );
 796         assert( tool_filter == NULL );
 797
 798         /* Special: do a dn2id upgrade */
 799         if ( adv && adv[0] == slap_schema.si_ad_entryDN ) {
 800                 /* short-circuit tool_entry_next() */
 801                 mdb_cursor_get( cursor, &key, &data, MDB_LAST );
 802                 return mdb_dn2id_upgrade( be );
 803         }
 804
 805         /* No indexes configured, nothing to do. Could return an
 806          * error here to shortcut things.
 807          */
 808         if (!mi->mi_attrs) {
 809                 return 0;
 810         }
 811
 812         /* Check for explicit list of attrs to index */
 813         if ( adv ) {
 814                 int i, j, n;
 815
 816                 if ( mi->mi_attrs[0]->ai_desc != adv[0] ) {
 817                         /* count */
 818                         for ( n = 0; adv[n]; n++ ) ;
 819
 820                         /* insertion sort */
 821                         for ( i = 0; i < n; i++ ) {
 822                                 AttributeDescription *ad = adv[i];
 823                                 for ( j = i-1; j>=0; j--) {
 824                                         if ( SLAP_PTRCMP( adv[j], ad ) <= 0 ) break;
 825                                         adv[j+1] = adv[j];
 826                                 }
 827                                 adv[j+1] = ad;
 828                         }
 829                 }
 830
 831                 for ( i = 0; adv[i]; i++ ) {
 832                         if ( mi->mi_attrs[i]->ai_desc != adv[i] ) {
 833                                 for ( j = i+1; j < mi->mi_nattrs; j++ ) {
 834                                         if ( mi->mi_attrs[j]->ai_desc == adv[i] ) {
 835                                                 AttrInfo *ai = mi->mi_attrs[i];
 836                                                 mi->mi_attrs[i] = mi->mi_attrs[j];
 837                                                 mi->mi_attrs[j] = ai;
 838                                                 break;
 839                                         }
 840                                 }
 841                                 if ( j == mi->mi_nattrs ) {
 842                                         Debug( LDAP_DEBUG_ANY,
 843                                                 LDAP_XSTRING(mdb_tool_entry_reindex)
 844                                                 ": no index configured for %s\n",
 845                                                 adv[i]->ad_cname.bv_val, 0, 0 );
 846                                         return -1;
 847                                 }
 848                         }
 849                 }
 850                 mi->mi_nattrs = i;
 851         }
 852
 853         e = mdb_tool_entry_get( be, id );
 854
 855         if( e == NULL ) {
 856                 Debug( LDAP_DEBUG_ANY,
 857                         LDAP_XSTRING(mdb_tool_entry_reindex)
 858                         ": could not locate id=%ld\n",
 859                         (long) id, 0, 0 );
 860                 return -1;
 861         }
 862
 863         if ( !txi ) {
 864                 rc = mdb_txn_begin( mi->mi_dbenv, NULL, 0, &txi );
 865                 if( rc != 0 ) {
 866                         Debug( LDAP_DEBUG_ANY,
 867                                 "=> " LDAP_XSTRING(mdb_tool_entry_reindex) ": "
 868                                 "txn_begin failed: %s (%d)\n",
 869                                 mdb_strerror(rc), rc, 0 );
 870                         goto done;
 871                 }
 872         }
 873
 874         if ( slapMode & SLAP_TRUNCATE_MODE ) {
 875                 int i;
 876                 for ( i=0; i < mi->mi_nattrs; i++ ) {
 877                         rc = mdb_drop( txi, mi->mi_attrs[i]->ai_dbi, 0 );
 878                         if ( rc ) {
 879                                 Debug( LDAP_DEBUG_ANY,
 880                                         LDAP_XSTRING(mdb_tool_entry_reindex)
 881                                         ": (Truncate) mdb_drop(%s) failed: %s (%d)\n",
 882                                         mi->mi_attrs[i]->ai_desc->ad_type->sat_cname.bv_val,
 883                                         mdb_strerror(rc), rc );
 884                                 return -1;
 885                         }
 886                 }
 887                 slapMode ^= SLAP_TRUNCATE_MODE;
 888         }
 889
 890         /*
 891          * just (re)add them for now
 892          * Use truncate mode to empty/reset index databases
 893          */
 894
 895         Debug( LDAP_DEBUG_TRACE,
 896                 "=> " LDAP_XSTRING(mdb_tool_entry_reindex) "( %ld )\n",
 897                 (long) id, 0, 0 );
 898
 899         op.o_hdr = &ohdr;
 900         op.o_bd = be;
 901         op.o_tmpmemctx = NULL;
 902         op.o_tmpmfuncs = &ch_mfuncs;
 903
 904         rc = mdb_tool_index_add( &op, txi, e );
 905
 906 done:
 907         if( rc == 0 ) {
 908                 mdb_writes++;
 909                 if ( mdb_writes >= mdb_writes_per_commit ) {
 910                         MDB_val key;
 911                         unsigned i;
 912                         MDB_TOOL_IDL_FLUSH( be, txi );
 913                         rc = mdb_txn_commit( txi );
 914                         mdb_writes = 0;
 915                         for ( i=0; i<mi->mi_nattrs; i++ )
 916                                 mi->mi_attrs[i]->ai_cursor = NULL;
 917                         if( rc != 0 ) {
 918                                 Debug( LDAP_DEBUG_ANY,
 919                                         "=> " LDAP_XSTRING(mdb_tool_entry_reindex)
 920                                         ": txn_commit failed: %s (%d)\n",
 921                                         mdb_strerror(rc), rc, 0 );
 922                                 e->e_id = NOID;
 923                         }
 924                         mdb_cursor_close( cursor );
 925                         txi = NULL;
 926                         /* Must close the read txn to allow old pages to be reclaimed. */
 927                         mdb_txn_abort( txn );
 928                         /* and then reopen it so that tool_entry_next still works. */
 929                         mdb_txn_begin( mi->mi_dbenv, NULL, MDB_RDONLY, &txn );
 930                         mdb_cursor_open( txn, mi->mi_id2entry, &cursor );
 931                         key.mv_data = &id;
 932                         key.mv_size = sizeof(ID);
 933                         mdb_cursor_get( cursor, &key, NULL, MDB_SET );
 934                 }
 935
 936         } else {
 937                 unsigned i;
 938                 mdb_writes = 0;
 939                 mdb_cursor_close( cursor );
 940                 cursor = NULL;
 941                 mdb_txn_abort( txi );
 942                 for ( i=0; i<mi->mi_nattrs; i++ )
 943                         mi->mi_attrs[i]->ai_cursor = NULL;
 944                 Debug( LDAP_DEBUG_ANY,
 945                         "=> " LDAP_XSTRING(mdb_tool_entry_reindex)
 946                         ": txn_aborted! err=%d\n",
 947                         rc, 0, 0 );
 948                 e->e_id = NOID;
 949                 txi = NULL;
 950         }
 951         mdb_entry_release( &op, e, 0 );
 952
 953         return rc;
 954 }
 955
 956 ID mdb_tool_entry_modify(
 957         BackendDB *be,
 958         Entry *e,
 959         struct berval *text )
 960 {
 961         int rc;
 962         struct mdb_info *mdb;
 963         Operation op = {0};
 964         Opheader ohdr = {0};
 965
 966         assert( be != NULL );
 967         assert( slapMode & SLAP_TOOL_MODE );
 968
 969         assert( text != NULL );
 970         assert( text->bv_val != NULL );
 971         assert( text->bv_val[0] == '\0' );      /* overconservative? */
 972
 973         assert ( e->e_id != NOID );
 974
 975         Debug( LDAP_DEBUG_TRACE,
 976                 "=> " LDAP_XSTRING(mdb_tool_entry_modify) "( %ld, \"%s\" )\n",
 977                 (long) e->e_id, e->e_dn, 0 );
 978
 979         mdb = (struct mdb_info *) be->be_private;
 980
 981         if( cursor ) {
 982                 mdb_cursor_close( cursor );
 983                 cursor = NULL;
 984         }
 985         if ( !txn ) {
 986                 rc = mdb_txn_begin( mdb->mi_dbenv, NULL, 0, &txn );
 987                 if( rc != 0 ) {
 988                         snprintf( text->bv_val, text->bv_len,
 989                                 "txn_begin failed: %s (%d)",
 990                                 mdb_strerror(rc), rc );
 991                         Debug( LDAP_DEBUG_ANY,
 992                                 "=> " LDAP_XSTRING(mdb_tool_entry_modify) ": %s\n",
 993                                  text->bv_val, 0, 0 );
 994                         return NOID;
 995                 }
 996         }
 997
 998         op.o_hdr = &ohdr;
 999         op.o_bd = be;
1000         op.o_tmpmemctx = NULL;
1001         op.o_tmpmfuncs = &ch_mfuncs;
1002
1003         /* id2entry index */
1004         rc = mdb_id2entry_update( &op, txn, NULL, e );
1005         if( rc != 0 ) {
1006                 snprintf( text->bv_val, text->bv_len,
1007                                 "id2entry_update failed: err=%d", rc );
1008                 Debug( LDAP_DEBUG_ANY,
1009                         "=> " LDAP_XSTRING(mdb_tool_entry_modify) ": %s\n",
1010                         text->bv_val, 0, 0 );
1011                 goto done;
1012         }
1013
1014 done:
1015         if( rc == 0 ) {
1016                 rc = mdb_txn_commit( txn );
1017                 if( rc != 0 ) {
1018                         snprintf( text->bv_val, text->bv_len,
1019                                         "txn_commit failed: %s (%d)",
1020                                         mdb_strerror(rc), rc );
1021                         Debug( LDAP_DEBUG_ANY,
1022                                 "=> " LDAP_XSTRING(mdb_tool_entry_modify) ": "
1023                                 "%s\n", text->bv_val, 0, 0 );
1024                         e->e_id = NOID;
1025                 }
1026
1027         } else {
1028                 mdb_txn_abort( txn );
1029                 snprintf( text->bv_val, text->bv_len,
1030                         "txn_aborted! %s (%d)",
1031                         mdb_strerror(rc), rc );
1032                 Debug( LDAP_DEBUG_ANY,
1033                         "=> " LDAP_XSTRING(mdb_tool_entry_modify) ": %s\n",
1034                         text->bv_val, 0, 0 );
1035                 e->e_id = NOID;
1036         }
1037         txn = NULL;
1038         idcursor = NULL;
1039
1040         return e->e_id;
1041 }
1042
1043 static void *
1044 mdb_tool_index_task( void *ctx, void *ptr )
1045 {
1046         int base = *(int *)ptr;
1047         Operation op = {0};
1048         Opheader ohdr = {0};
1049         AttrIxInfo ai = {0}, *aio;
1050
1051         free( ptr );
1052         op.o_hdr = &ohdr;
1053         op.o_bd = mdb_tool_ix_be;
1054         op.o_tmpmemctx = NULL;
1055         op.o_tmpmfuncs = &ch_mfuncs;
1056         aio = mdb_tool_axinfo[base];
1057         mdb_tool_axinfo[base] = &ai;
1058         LDAP_SLIST_INSERT_HEAD( &op.o_extra, &ai.ai_oe, oe_next );
1059         while ( 1 ) {
1060                 ldap_pvt_thread_mutex_lock( &mdb_tool_index_mutex );
1061                 mdb_tool_index_tcount--;
1062                 if ( !mdb_tool_index_tcount )
1063                         ldap_pvt_thread_cond_signal( &mdb_tool_index_cond_main );
1064                 ldap_pvt_thread_cond_wait( &mdb_tool_index_cond_work,
1065                         &mdb_tool_index_mutex );
1066                 if ( slapd_shutdown ) {
1067                         mdb_tool_index_tcount--;
1068                         if ( !mdb_tool_index_tcount )
1069                                 ldap_pvt_thread_cond_signal( &mdb_tool_index_cond_main );
1070                         *aio = ai;
1071                         mdb_tool_axinfo[base] = aio;
1072                         ldap_pvt_thread_mutex_unlock( &mdb_tool_index_mutex );
1073                         break;
1074                 }
1075                 ldap_pvt_thread_mutex_unlock( &mdb_tool_index_mutex );
1076                 mdb_tool_index_rec[base].ir_i = mdb_index_recrun( &op,
1077                         mdb_tool_ix_txn,
1078                         mdb_tool_info, mdb_tool_index_rec, mdb_tool_ix_id, base );
1079         }
1080
1081         return NULL;
1082 }
1083
1084 #ifdef MDB_TOOL_IDL_CACHING
1085 static int
1086 mdb_tool_idl_cmp( const void *v1, const void *v2 )
1087 {
1088         const mdb_tool_idl_cache *c1 = v1, *c2 = v2;
1089         int rc;
1090
1091         if (( rc = c1->kstr.bv_len - c2->kstr.bv_len )) return rc;
1092         return memcmp( c1->kstr.bv_val, c2->kstr.bv_val, c1->kstr.bv_len );
1093 }
1094
1095 static int
1096 mdb_tool_idl_flush_one( MDB_cursor *mc, AttrIxInfo *ai, mdb_tool_idl_cache *ic )
1097 {
1098         mdb_tool_idl_cache_entry *ice;
1099         MDB_val key, data[2];
1100         int i, rc;
1101         ID id, nid;
1102
1103         /* Freshly allocated, ignore it */
1104         if ( !ic->head && ic->count <= MDB_IDL_DB_SIZE ) {
1105                 return 0;
1106         }
1107
1108         key.mv_data = ic->kstr.bv_val;
1109         key.mv_size = ic->kstr.bv_len;
1110
1111         if ( ic->count > MDB_IDL_DB_SIZE ) {
1112                 while ( ic->flags & WAS_FOUND ) {
1113                         rc = mdb_cursor_get( mc, &key, data, MDB_SET );
1114                         if ( rc ) {
1115                                 /* FIXME: find out why this happens */
1116                                 ic->flags = 0;
1117                                 break;
1118                         }
1119                         if ( ic->flags & WAS_RANGE ) {
1120                                 /* Skip lo */
1121                                 rc = mdb_cursor_get( mc, &key, data, MDB_NEXT_DUP );
1122
1123                                 /* Get hi */
1124                                 rc = mdb_cursor_get( mc, &key, data, MDB_NEXT_DUP );
1125
1126                                 /* Store range hi */
1127                                 data[0].mv_data = &ic->last;
1128                                 rc = mdb_cursor_put( mc, &key, data, MDB_CURRENT );
1129                         } else {
1130                                 /* Delete old data, replace with range */
1131                                 ic->first = *(ID *)data[0].mv_data;
1132                                 mdb_cursor_del( mc, MDB_NODUPDATA );
1133                         }
1134                         break;
1135                 }
1136                 if ( !(ic->flags & WAS_RANGE)) {
1137                         /* range, didn't exist before */
1138                         nid = 0;
1139                         data[0].mv_size = sizeof(ID);
1140                         data[0].mv_data = &nid;
1141                         rc = mdb_cursor_put( mc, &key, data, 0 );
1142                         if ( rc == 0 ) {
1143                                 data[0].mv_data = &ic->first;
1144                                 rc = mdb_cursor_put( mc, &key, data, 0 );
1145                                 if ( rc == 0 ) {
1146                                         data[0].mv_data = &ic->last;
1147                                         rc = mdb_cursor_put( mc, &key, data, 0 );
1148                                 }
1149                         }
1150                         if ( rc ) {
1151                                 rc = -1;
1152                         }
1153                 }
1154         } else {
1155                 /* Normal write */
1156                 int n;
1157
1158                 data[0].mv_size = sizeof(ID);
1159                 rc = 0;
1160                 for ( ice = ic->head, n=0; ice; ice = ice->next, n++ ) {
1161                         int end;
1162                         if ( ice->next ) {
1163                                 end = IDBLOCK;
1164                         } else {
1165                                 end = (ic->count-ic->offset) & (IDBLOCK-1);
1166                                 if ( !end )
1167                                         end = IDBLOCK;
1168                         }
1169                         data[1].mv_size = end;
1170                         data[0].mv_data = ice->ids;
1171                         rc = mdb_cursor_put( mc, &key, data, MDB_APPENDDUP|MDB_MULTIPLE );
1172                         if ( rc ) {
1173                                 rc = -1;
1174                                 break;
1175                         }
1176                 }
1177                 if ( ic->head ) {
1178                         ic->tail->next = ai->ai_flist;
1179                         ai->ai_flist = ic->head;
1180                 }
1181         }
1182         ic->head = ai->ai_clist;
1183         ai->ai_clist = ic;
1184         return rc;
1185 }
1186
1187 static int
1188 mdb_tool_idl_flush_db( MDB_txn *txn, AttrInfo *ai, AttrIxInfo *ax )
1189 {
1190         MDB_cursor *mc;
1191         Avlnode *root;
1192         int rc;
1193
1194         mdb_cursor_open( txn, ai->ai_dbi, &mc );
1195         root = tavl_end( ai->ai_root, TAVL_DIR_LEFT );
1196         do {
1197                 rc = mdb_tool_idl_flush_one( mc, ax, root->avl_data );
1198                 if ( rc != -1 )
1199                         rc = 0;
1200         } while ((root = tavl_next(root, TAVL_DIR_RIGHT)));
1201         mdb_cursor_close( mc );
1202
1203         return rc;
1204 }
1205
1206 static int
1207 mdb_tool_idl_flush( BackendDB *be, MDB_txn *txn )
1208 {
1209         struct mdb_info *mdb = (struct mdb_info *) be->be_private;
1210         int rc = 0;
1211         unsigned int i, dbi;
1212
1213         for ( i=0; i < mdb->mi_nattrs; i++ ) {
1214                 if ( !mdb->mi_attrs[i]->ai_root ) continue;
1215                 rc = mdb_tool_idl_flush_db( txn, mdb->mi_attrs[i], mdb_tool_axinfo[i % mdb_tool_threads] );
1216                 tavl_free(mdb->mi_attrs[i]->ai_root, NULL);
1217                 mdb->mi_attrs[i]->ai_root = NULL;
1218                 if ( rc )
1219                         break;
1220         }
1221         return rc;
1222 }
1223
1224 int mdb_tool_idl_add(
1225         BackendDB *be,
1226         MDB_cursor *mc,
1227         struct berval *keys,
1228         ID id )
1229 {
1230         MDB_dbi dbi;
1231         mdb_tool_idl_cache *ic, itmp;
1232         mdb_tool_idl_cache_entry *ice;
1233         int i, rc, lcount;
1234         AttrIxInfo *ax = (AttrIxInfo *)mc;
1235         AttrInfo *ai = (AttrInfo *)ax->ai_ai;
1236         mc = ai->ai_cursor;
1237
1238         dbi = ai->ai_dbi;
1239         for (i=0; keys[i].bv_val; i++) {
1240         itmp.kstr = keys[i];
1241         ic = tavl_find( (Avlnode *)ai->ai_root, &itmp, mdb_tool_idl_cmp );
1242
1243         /* No entry yet, create one */
1244         if ( !ic ) {
1245                 MDB_val key, data;
1246                 ID nid;
1247                 int rc;
1248
1249                 if ( ax->ai_clist ) {
1250                         ic = ax->ai_clist;
1251                         ax->ai_clist = ic->head;
1252                 } else {
1253                         ic = ch_malloc( sizeof( mdb_tool_idl_cache ) + itmp.kstr.bv_len + 4 );
1254                 }
1255                 ic->kstr.bv_len = itmp.kstr.bv_len;
1256                 ic->kstr.bv_val = (char *)(ic+1);
1257                 memcpy( ic->kstr.bv_val, itmp.kstr.bv_val, ic->kstr.bv_len );
1258                 ic->head = ic->tail = NULL;
1259                 ic->last = 0;
1260                 ic->count = 0;
1261                 ic->offset = 0;
1262                 ic->flags = 0;
1263                 tavl_insert( (Avlnode **)&ai->ai_root, ic, mdb_tool_idl_cmp,
1264                         avl_dup_error );
1265
1266                 /* load existing key count here */
1267                 key.mv_size = keys[i].bv_len;
1268                 key.mv_data = keys[i].bv_val;
1269                 rc = mdb_cursor_get( mc, &key, &data, MDB_SET );
1270                 if ( rc == 0 ) {
1271                         ic->flags |= WAS_FOUND;
1272                         nid = *(ID *)data.mv_data;
1273                         if ( nid == 0 ) {
1274                                 ic->count = MDB_IDL_DB_SIZE+1;
1275                                 ic->flags |= WAS_RANGE;
1276                         } else {
1277                                 size_t count;
1278
1279                                 mdb_cursor_count( mc, &count );
1280                                 ic->count = count;
1281                                 ic->first = nid;
1282                                 ic->offset = count & (IDBLOCK-1);
1283                         }
1284                 }
1285         }
1286         /* are we a range already? */
1287         if ( ic->count > MDB_IDL_DB_SIZE ) {
1288                 ic->last = id;
1289                 continue;
1290         /* Are we at the limit, and converting to a range? */
1291         } else if ( ic->count == MDB_IDL_DB_SIZE ) {
1292                 if ( ic->head ) {
1293                         ic->tail->next = ax->ai_flist;
1294                         ax->ai_flist = ic->head;
1295                 }
1296                 ic->head = ic->tail = NULL;
1297                 ic->last = id;
1298                 ic->count++;
1299                 continue;
1300         }
1301         /* No free block, create that too */
1302         lcount = (ic->count-ic->offset) & (IDBLOCK-1);
1303         if ( !ic->tail || lcount == 0) {
1304                 if ( ax->ai_flist ) {
1305                         ice = ax->ai_flist;
1306                         ax->ai_flist = ice->next;
1307                 } else {
1308                         ice = ch_malloc( sizeof( mdb_tool_idl_cache_entry ));
1309                 }
1310                 ice->next = NULL;
1311                 if ( !ic->head ) {
1312                         ic->head = ice;
1313                 } else {
1314                         ic->tail->next = ice;
1315                 }
1316                 ic->tail = ice;
1317                 if ( lcount )
1318                         ice->ids[lcount-1] = 0;
1319                 if ( !ic->count )
1320                         ic->first = id;
1321         }
1322         ice = ic->tail;
1323         if (!lcount || ice->ids[lcount-1] != id) {
1324                 ice->ids[lcount] = id;
1325                 ic->count++;
1326         }
1327         }
1328
1329         return 0;
1330 }
1331 #endif /* MDB_TOOL_IDL_CACHING */
1332
1333 /* Upgrade from pre 2.4.34 dn2id format */
1334
1335 #include <ac/unistd.h>
1336 #include <lutil_meter.h>
1337
1338 #define STACKSIZ        2048
1339
1340 typedef struct rec {
1341         ID id;
1342         size_t len;
1343         char rdn[512];
1344 } rec;
1345
1346 static int
1347 mdb_dn2id_upgrade( BackendDB *be ) {
1348         struct mdb_info *mi = (struct mdb_info *) be->be_private;
1349         MDB_txn *mt;
1350         MDB_cursor *mc = NULL;
1351         MDB_val key, data;
1352         char *ptr;
1353         int rc, writes=0, depth=0;
1354         int enable_meter = 0;
1355         ID id = 0, *num, count = 0;
1356         rec *stack;
1357         lutil_meter_t meter;
1358
1359         if (!(mi->mi_flags & MDB_NEED_UPGRADE)) {
1360                 Debug( LDAP_DEBUG_ANY, "database %s: No upgrade needed.\n",
1361                         be->be_suffix[0].bv_val, 0, 0 );
1362                 return 0;
1363         }
1364
1365         {
1366                 MDB_stat st;
1367
1368                 mdb_stat(mdb_cursor_txn(cursor), mi->mi_dbis[MDB_ID2ENTRY], &st);
1369                 if (!st.ms_entries) {
1370                         /* Empty DB, nothing to upgrade? */
1371                         return 0;
1372                 }
1373                 if (isatty(2))
1374                         enable_meter = !lutil_meter_open(&meter,
1375                                 &lutil_meter_text_display,
1376                                 &lutil_meter_linear_estimator,
1377                                 st.ms_entries);
1378         }
1379
1380         num = ch_malloc(STACKSIZ * (sizeof(ID) + sizeof(rec)));
1381         stack = (rec *)(num + STACKSIZ);
1382
1383         rc = mdb_txn_begin(mi->mi_dbenv, NULL, 0, &mt);
1384         if (rc) {
1385                 Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_txn_begin failed, %s (%d)\n",
1386                         mdb_strerror(rc), rc, 0 );
1387                 goto leave;
1388         }
1389         rc = mdb_cursor_open(mt, mi->mi_dbis[MDB_DN2ID], &mc);
1390         if (rc) {
1391                 Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_open failed, %s (%d)\n",
1392                         mdb_strerror(rc), rc, 0 );
1393                 goto leave;
1394         }
1395
1396         key.mv_size = sizeof(ID);
1397         /* post-order depth-first update */
1398         for(;;) {
1399                 size_t dkids;
1400                 unsigned char *ptr;
1401
1402                 /* visit */
1403                 key.mv_data = &id;
1404                 stack[depth].id = id;
1405                 rc = mdb_cursor_get(mc, &key, &data, MDB_SET);
1406                 if (rc) {
1407                         Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_get failed, %s (%d)\n",
1408                                 mdb_strerror(rc), rc, 0 );
1409                         goto leave;
1410                 }
1411                 num[depth] = 1;
1412
1413                 rc = mdb_cursor_count(mc, &dkids);
1414                 if (rc) {
1415                         Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_count failed, %s (%d)\n",
1416                                 mdb_strerror(rc), rc, 0 );
1417                         goto leave;
1418                 }
1419                 if (dkids > 1) {
1420                         rc = mdb_cursor_get(mc, &key, &data, MDB_NEXT_DUP);
1421 down:
1422                         ptr = data.mv_data + data.mv_size - sizeof(ID);
1423                         memcpy(&id, ptr, sizeof(ID));
1424                         depth++;
1425                         memcpy(stack[depth].rdn, data.mv_data, data.mv_size);
1426                         stack[depth].len = data.mv_size;
1427                         continue;
1428                 }
1429
1430
1431                 /* pop: write updated count, advance to next node */
1432 pop:
1433                 /* update superior counts */
1434                 if (depth)
1435                         num[depth-1] += num[depth];
1436
1437                 key.mv_data = &id;
1438                 id = stack[depth-1].id;
1439                 data.mv_data = stack[depth].rdn;
1440                 data.mv_size = stack[depth].len;
1441                 rc = mdb_cursor_get(mc, &key, &data, MDB_GET_BOTH);
1442                 if (rc) {
1443                         Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_get(BOTH) failed, %s (%d)\n",
1444                                 mdb_strerror(rc), rc, 0 );
1445                         goto leave;
1446                 }
1447                 data.mv_data = stack[depth].rdn;
1448                 ptr = data.mv_data + data.mv_size;
1449                 memcpy(ptr, &num[depth], sizeof(ID));
1450                 data.mv_size += sizeof(ID);
1451                 rc = mdb_cursor_del(mc, 0);
1452                 if (rc) {
1453                         Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_del failed, %s (%d)\n",
1454                                 mdb_strerror(rc), rc, 0 );
1455                         goto leave;
1456                 }
1457                 rc = mdb_cursor_put(mc, &key, &data, 0);
1458                 if (rc) {
1459                         Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_put failed, %s (%d)\n",
1460                                 mdb_strerror(rc), rc, 0 );
1461                         goto leave;
1462                 }
1463                 count++;
1464 #if 1
1465                 if (enable_meter)
1466                         lutil_meter_update(&meter, count, 0);
1467 #else
1468                 {
1469                         int len;
1470                         ptr = data.mv_data;
1471                         len = (ptr[0] & 0x7f) << 8 | ptr[1];
1472                         printf("ID: %zu, %zu, %.*s\n", stack[depth].id, num[depth], len, ptr+2);
1473                 }
1474 #endif
1475                 writes++;
1476                 if (writes == 1000) {
1477                         mdb_cursor_close(mc);
1478                         rc = mdb_txn_commit(mt);
1479                         if (rc) {
1480                                 Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_txn_commit failed, %s (%d)\n",
1481                                         mdb_strerror(rc), rc, 0 );
1482                                 goto leave;
1483                         }
1484                         rc = mdb_txn_begin(mi->mi_dbenv, NULL, 0, &mt);
1485                         if (rc) {
1486                                 Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_txn_begin(2) failed, %s (%d)\n",
1487                                         mdb_strerror(rc), rc, 0 );
1488                                 goto leave;
1489                         }
1490                         rc = mdb_cursor_open(mt, mi->mi_dbis[MDB_DN2ID], &mc);
1491                         if (rc) {
1492                                 Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_open(2) failed, %s (%d)\n",
1493                                         mdb_strerror(rc), rc, 0 );
1494                                 goto leave;
1495                         }
1496                         rc = mdb_cursor_get(mc, &key, &data, MDB_GET_BOTH);
1497                         if (rc) {
1498                                 Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_cursor_get(2) failed, %s (%d)\n",
1499                                         mdb_strerror(rc), rc, 0 );
1500                                 goto leave;
1501                         }
1502                         writes = 0;
1503                 }
1504                 depth--;
1505
1506                 rc = mdb_cursor_get(mc, &key, &data, MDB_NEXT_DUP);
1507                 if (rc == 0)
1508                         goto down;
1509                 rc = 0;
1510                 if (depth)
1511                         goto pop;
1512                 else
1513                         break;
1514         }
1515 leave:
1516         mdb_cursor_close(mc);
1517         if (mt) {
1518                 int r2;
1519                 r2 = mdb_txn_commit(mt);
1520                 if (r2) {
1521                         Debug(LDAP_DEBUG_ANY, "mdb_dn2id_upgrade: mdb_txn_commit(2) failed, %s (%d)\n",
1522                                 mdb_strerror(r2), r2, 0 );
1523                         if (!rc)
1524                                 rc = r2;
1525                 }
1526         }
1527         ch_free(num);
1528         if (enable_meter) {
1529                 lutil_meter_update(&meter, count, 1);
1530                 lutil_meter_close(&meter);
1531         }
1532         return rc;
1533 }