static int usn_operational( Operation *op, SlapReply *rs ) { slap_overinst *on = (slap_overinst *)op->o_bd->bd_info; usn_info_t *ui = (usn_info_t *)on->on_bi.bi_private; if ( rs->sr_entry && dn_match( &rs->sr_entry->e_nname, op->o_bd->be_nsuffix )) { if ( SLAP_OPATTRS( rs->sr_attr_flags ) || ad_inlist( ad_usnChanged, rs->sr_attrs )) { Attribute *a, **ap = NULL; char intbuf[64]; struct berval bv; int my_usn; for ( a=rs->sr_entry->e_attrs; a; a=a->a_next ) { if ( a->a_desc == ad_usnChanged ) break; } if ( !a ) { for ( ap = &rs->sr_operational_attrs; *ap; ap=&(*ap)->a_next ); a = attr_alloc( ad_usnChanged ); *ap = a; } if ( !ap ) { if ( rs_entry2modifiable( op,rs, on )) { a = attr_find( rs->sr_entry->e_attrs, ad_usnChanged ); } ber_bvarray_free( a->a_vals ); a->a_vals = NULL; a->a_numvals = 0; } ldap_pvt_thread_mutex_lock( &ui->ui_mutex ); my_usn = ui->ui_current; ldap_pvt_thread_mutex_unlock( &ui->ui_mutex ); bv.bv_len = snprintf( intbuf, sizeof(intbuf), "%d", my_usn ); bv.bv_val = intbuf; attr_valadd( a, &bv, NULL, 1 ); } } return SLAP_CB_CONTINUE; }
/* * call from within bdb_db_open() */ int bdb_monitor_db_open( BackendDB *be ) { struct bdb_info *bdb = (struct bdb_info *) be->be_private; Attribute *a, *next; monitor_callback_t *cb = NULL; int rc = 0; BackendInfo *mi; monitor_extra_t *mbe; struct berval dummy = BER_BVC(""); if ( !SLAP_DBMONITORING( be ) ) { return 0; } mi = backend_info( "monitor" ); if ( !mi || !mi->bi_extra ) { SLAP_DBFLAGS( be ) ^= SLAP_DBFLAG_MONITORING; return 0; } mbe = mi->bi_extra; /* don't bother if monitor is not configured */ if ( !mbe->is_configured() ) { static int warning = 0; if ( warning++ == 0 ) { Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_monitor_db_open) ": monitoring disabled; " "configure monitor database to enable\n", 0, 0, 0 ); } return 0; } /* alloc as many as required (plus 1 for objectClass) */ a = attrs_alloc( 1 + 4 ); if ( a == NULL ) { rc = 1; goto cleanup; } a->a_desc = slap_schema.si_ad_objectClass; attr_valadd( a, &oc_olmBDBDatabase->soc_cname, NULL, 1 ); next = a->a_next; { struct berval bv = BER_BVC( "0" ); next->a_desc = ad_olmBDBEntryCache; attr_valadd( next, &bv, NULL, 1 ); next = next->a_next; next->a_desc = ad_olmBDBDNCache; attr_valadd( next, &bv, NULL, 1 ); next = next->a_next; next->a_desc = ad_olmBDBIDLCache; attr_valadd( next, &bv, NULL, 1 ); next = next->a_next; } { struct berval bv, nbv; ber_len_t pathlen = 0, len = 0; char path[ MAXPATHLEN ] = { '\0' }; char *fname = bdb->bi_dbenv_home, *ptr; len = strlen( fname ); if ( fname[ 0 ] != '/' ) { /* get full path name */ getcwd( path, sizeof( path ) ); pathlen = strlen( path ); if ( fname[ 0 ] == '.' && fname[ 1 ] == '/' ) { fname += 2; len -= 2; } } bv.bv_len = pathlen + STRLENOF( "/" ) + len; ptr = bv.bv_val = ch_malloc( bv.bv_len + STRLENOF( "/" ) + 1 ); if ( pathlen ) { ptr = lutil_strncopy( ptr, path, pathlen ); ptr[ 0 ] = '/'; ptr++; } ptr = lutil_strncopy( ptr, fname, len ); if ( ptr[ -1 ] != '/' ) { ptr[ 0 ] = '/'; ptr++; } ptr[ 0 ] = '\0'; attr_normalize_one( ad_olmDbDirectory, &bv, &nbv, NULL ); next->a_desc = ad_olmDbDirectory; next->a_vals = ch_calloc( sizeof( struct berval ), 2 ); next->a_vals[ 0 ] = bv; next->a_numvals = 1; if ( BER_BVISNULL( &nbv ) ) { next->a_nvals = next->a_vals; } else { next->a_nvals = ch_calloc( sizeof( struct berval ), 2 ); next->a_nvals[ 0 ] = nbv; } next = next->a_next; } cb = ch_calloc( sizeof( monitor_callback_t ), 1 ); cb->mc_update = bdb_monitor_update; #if 0 /* uncomment if required */ cb->mc_modify = bdb_monitor_modify; #endif cb->mc_free = bdb_monitor_free; cb->mc_private = (void *)bdb; /* make sure the database is registered; then add monitor attributes */ rc = mbe->register_database( be, &bdb->bi_monitor.bdm_ndn ); if ( rc == 0 ) { rc = mbe->register_entry_attrs( &bdb->bi_monitor.bdm_ndn, a, cb, &dummy, 0, &dummy ); } cleanup:; if ( rc != 0 ) { if ( cb != NULL ) { ch_free( cb ); cb = NULL; } if ( a != NULL ) { attrs_free( a ); a = NULL; } } /* store for cleanup */ bdb->bi_monitor.bdm_cb = (void *)cb; /* we don't need to keep track of the attributes, because * bdb_monitor_free() takes care of everything */ if ( a != NULL ) { attrs_free( a ); } return rc; }