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openldap  2.4.31
Defines | Enumerations | Functions | Variables
config.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/errno.h>
#include "back-bdb.h"
#include "config.h"
#include "lutil.h"
#include "ldap_rq.h"

Go to the source code of this file.

Defines

#define bdb_cf_gen   BDB_SYMBOL(cf_gen)
#define bdb_cf_cleanup   BDB_SYMBOL(cf_cleanup)
#define bdb_checkpoint   BDB_SYMBOL(checkpoint)
#define bdb_online_index   BDB_SYMBOL(online_index)

Enumerations

enum  {
  BDB_CHKPT = 1, BDB_CONFIG, BDB_CRYPTFILE, BDB_CRYPTKEY,
  BDB_DIRECTORY, BDB_NOSYNC, BDB_DIRTYR, BDB_INDEX,
  BDB_LOCKD, BDB_SSTACK, BDB_MODE, BDB_PGSIZE,
  BDB_CHECKSUM
}

Functions

static voidbdb_checkpoint (void *ctx, void *arg)
static voidbdb_online_index (void *ctx, void *arg)
static int bdb_cf_cleanup (ConfigArgs *c)
static int bdb_cf_gen (ConfigArgs *c)
int bdb_back_init_cf (BackendInfo *bi)

Variables

static ConfigDriver bdb_cf_gen
static ConfigTable bdbcfg []
static ConfigOCs bdbocs []
static slap_verbmasks bdb_lockd []

Define Documentation

#define bdb_cf_cleanup   BDB_SYMBOL(cf_cleanup)

Definition at line 36 of file config.c.

#define bdb_cf_gen   BDB_SYMBOL(cf_gen)

Definition at line 35 of file config.c.

#define bdb_checkpoint   BDB_SYMBOL(checkpoint)

Definition at line 37 of file config.c.

#define bdb_online_index   BDB_SYMBOL(online_index)

Definition at line 38 of file config.c.


Enumeration Type Documentation

anonymous enum
Enumerator:
BDB_CHKPT 
BDB_CONFIG 
BDB_CRYPTFILE 
BDB_CRYPTKEY 
BDB_DIRECTORY 
BDB_NOSYNC 
BDB_DIRTYR 
BDB_INDEX 
BDB_LOCKD 
BDB_SSTACK 
BDB_MODE 
BDB_PGSIZE 
BDB_CHECKSUM 

Definition at line 42 of file config.c.


Function Documentation

Definition at line 934 of file config.c.

{
       int rc;
       bi->bi_cf_ocs = bdbocs;

       rc = config_register_schema( bdbcfg, bdbocs );
       if ( rc ) return rc;
       return 0;
}

Here is the call graph for this function:

static int bdb_cf_cleanup ( ConfigArgs c) [static]

Definition at line 322 of file config.c.

{
       struct bdb_info *bdb = c->be->be_private;
       int rc = 0;

       if ( bdb->bi_flags & BDB_UPD_CONFIG ) {
              if ( bdb->bi_db_config ) {
                     int i;
                     FILE *f = fopen( bdb->bi_db_config_path, "w" );
                     if ( f ) {
                            for (i=0; bdb->bi_db_config[i].bv_val; i++)
                                   fprintf( f, "%s\n", bdb->bi_db_config[i].bv_val );
                            fclose( f );
                     }
              } else {
                     unlink( bdb->bi_db_config_path );
              }
              bdb->bi_flags ^= BDB_UPD_CONFIG;
       }

       if ( bdb->bi_flags & BDB_DEL_INDEX ) {
              bdb_attr_flush( bdb );
              bdb->bi_flags ^= BDB_DEL_INDEX;
       }
       
       if ( bdb->bi_flags & BDB_RE_OPEN ) {
              bdb->bi_flags ^= BDB_RE_OPEN;
              rc = c->be->bd_info->bi_db_close( c->be, &c->reply );
              if ( rc == 0 )
                     rc = c->be->bd_info->bi_db_open( c->be, &c->reply );
              /* If this fails, we need to restart */
              if ( rc ) {
                     slapd_shutdown = 2;
                     snprintf( c->cr_msg, sizeof( c->cr_msg ),
                            "failed to reopen database, rc=%d", rc );
                     Debug( LDAP_DEBUG_ANY, LDAP_XSTRING(bdb_cf_cleanup)
                            ": %s\n", c->cr_msg, 0, 0 );
                     rc = LDAP_OTHER;
              }
       }
       return rc;
}
static int bdb_cf_gen ( ConfigArgs c) [static]

Definition at line 366 of file config.c.

{
       struct bdb_info *bdb = c->be->be_private;
       int rc;

       if ( c->op == SLAP_CONFIG_EMIT ) {
              rc = 0;
              switch( c->type ) {
              case BDB_MODE: {
                     char buf[64];
                     struct berval bv;
                     bv.bv_len = snprintf( buf, sizeof(buf), "0%o", bdb->bi_dbenv_mode );
                     if ( bv.bv_len > 0 && bv.bv_len < sizeof(buf) ) {
                            bv.bv_val = buf;
                            value_add_one( &c->rvalue_vals, &bv );
                     } else {
                            rc = 1;
                     }
                     } break;

              case BDB_CHKPT:
                     if ( bdb->bi_txn_cp ) {
                            char buf[64];
                            struct berval bv;
                            bv.bv_len = snprintf( buf, sizeof(buf), "%ld %ld",
                                   (long) bdb->bi_txn_cp_kbyte, (long) bdb->bi_txn_cp_min );
                            if ( bv.bv_len > 0 && bv.bv_len < sizeof(buf) ) {
                                   bv.bv_val = buf;
                                   value_add_one( &c->rvalue_vals, &bv );
                            } else {
                                   rc = 1;
                            }
                     } else {
                            rc = 1;
                     }
                     break;

              case BDB_CRYPTFILE:
                     if ( bdb->bi_db_crypt_file ) {
                            c->value_string = ch_strdup( bdb->bi_db_crypt_file );
                     } else {
                            rc = 1;
                     }
                     break;

              /* If a crypt file has been set, its contents are copied here.
               * But we don't want the key to be incorporated here.
               */
              case BDB_CRYPTKEY:
                     if ( !bdb->bi_db_crypt_file && !BER_BVISNULL( &bdb->bi_db_crypt_key )) {
                            value_add_one( &c->rvalue_vals, &bdb->bi_db_crypt_key );
                     } else {
                            rc = 1;
                     }
                     break;

              case BDB_DIRECTORY:
                     if ( bdb->bi_dbenv_home ) {
                            c->value_string = ch_strdup( bdb->bi_dbenv_home );
                     } else {
                            rc = 1;
                     }
                     break;

              case BDB_CONFIG:
                     if ( !( bdb->bi_flags & BDB_IS_OPEN )
                            && !bdb->bi_db_config )
                     {
                            char   buf[SLAP_TEXT_BUFLEN];
                            FILE *f = fopen( bdb->bi_db_config_path, "r" );
                            struct berval bv;

                            if ( f ) {
                                   bdb->bi_flags |= BDB_HAS_CONFIG;
                                   while ( fgets( buf, sizeof(buf), f )) {
                                          ber_str2bv( buf, 0, 1, &bv );
                                          if ( bv.bv_len > 0 && bv.bv_val[bv.bv_len-1] == '\n' ) {
                                                 bv.bv_len--;
                                                 bv.bv_val[bv.bv_len] = '\0';
                                          }
                                          /* shouldn't need this, but ... */
                                          if ( bv.bv_len > 0 && bv.bv_val[bv.bv_len-1] == '\r' ) {
                                                 bv.bv_len--;
                                                 bv.bv_val[bv.bv_len] = '\0';
                                          }
                                          ber_bvarray_add( &bdb->bi_db_config, &bv );
                                   }
                                   fclose( f );
                            }
                     }
                     if ( bdb->bi_db_config ) {
                            int i;
                            struct berval bv;

                            bv.bv_val = c->log;
                            for (i=0; !BER_BVISNULL(&bdb->bi_db_config[i]); i++) {
                                   bv.bv_len = sprintf( bv.bv_val, "{%d}%s", i,
                                          bdb->bi_db_config[i].bv_val );
                                   value_add_one( &c->rvalue_vals, &bv );
                            }
                     }
                     if ( !c->rvalue_vals ) rc = 1;
                     break;

              case BDB_NOSYNC:
                     if ( bdb->bi_dbenv_xflags & DB_TXN_NOSYNC )
                            c->value_int = 1;
                     break;
                     
              case BDB_CHECKSUM:
                     if ( bdb->bi_flags & BDB_CHKSUM )
                            c->value_int = 1;
                     break;

              case BDB_INDEX:
                     bdb_attr_index_unparse( bdb, &c->rvalue_vals );
                     if ( !c->rvalue_vals ) rc = 1;
                     break;

              case BDB_LOCKD:
                     rc = 1;
                     if ( bdb->bi_lock_detect != DB_LOCK_DEFAULT ) {
                            int i;
                            for (i=0; !BER_BVISNULL(&bdb_lockd[i].word); i++) {
                                   if ( bdb->bi_lock_detect == (u_int32_t)bdb_lockd[i].mask ) {
                                          value_add_one( &c->rvalue_vals, &bdb_lockd[i].word );
                                          rc = 0;
                                          break;
                                   }
                            }
                     }
                     break;

              case BDB_SSTACK:
                     c->value_int = bdb->bi_search_stack_depth;
                     break;

              case BDB_PGSIZE: {
                            struct bdb_db_pgsize *ps;
                            char buf[SLAP_TEXT_BUFLEN];
                            struct berval bv;
                            int rc = 1;

                            bv.bv_val = buf;
                            for ( ps = bdb->bi_pagesizes; ps; ps = ps->bdp_next ) {
                                   bv.bv_len = sprintf( buf, "%s %d", ps->bdp_name.bv_val,
                                          ps->bdp_size / 1024 );
                                   value_add_one( &c->rvalue_vals, &bv );
                                   rc = 0;

                            }
                            break;
                     }
              }
              return rc;
       } else if ( c->op == LDAP_MOD_DELETE ) {
              rc = 0;
              switch( c->type ) {
              case BDB_MODE:
#if 0
                     /* FIXME: does it make any sense to change the mode,
                      * if we don't exec a chmod()? */
                     bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
                     break;
#endif

              /* single-valued no-ops */
              case BDB_LOCKD:
              case BDB_SSTACK:
                     break;

              case BDB_CHKPT:
                     if ( bdb->bi_txn_cp_task ) {
                            struct re_s *re = bdb->bi_txn_cp_task;
                            bdb->bi_txn_cp_task = NULL;
                            ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
                            if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ) )
                                   ldap_pvt_runqueue_stoptask( &slapd_rq, re );
                            ldap_pvt_runqueue_remove( &slapd_rq, re );
                            ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
                     }
                     bdb->bi_txn_cp = 0;
                     break;
              case BDB_CONFIG:
                     if ( c->valx < 0 ) {
                            ber_bvarray_free( bdb->bi_db_config );
                            bdb->bi_db_config = NULL;
                     } else {
                            int i = c->valx;
                            ch_free( bdb->bi_db_config[i].bv_val );
                            for (; bdb->bi_db_config[i].bv_val; i++)
                                   bdb->bi_db_config[i] = bdb->bi_db_config[i+1];
                     }
                     bdb->bi_flags |= BDB_UPD_CONFIG;
                     c->cleanup = bdb_cf_cleanup;
                     break;
              /* Doesn't really make sense to change these on the fly;
               * the entire DB must be dumped and reloaded
               */
              case BDB_CRYPTFILE:
                     if ( bdb->bi_db_crypt_file ) {
                            ch_free( bdb->bi_db_crypt_file );
                            bdb->bi_db_crypt_file = NULL;
                     }
                     /* FALLTHRU */
              case BDB_CRYPTKEY:
                     if ( !BER_BVISNULL( &bdb->bi_db_crypt_key )) {
                            ch_free( bdb->bi_db_crypt_key.bv_val );
                            BER_BVZERO( &bdb->bi_db_crypt_key );
                     }
                     break;
              case BDB_DIRECTORY:
                     bdb->bi_flags |= BDB_RE_OPEN;
                     bdb->bi_flags ^= BDB_HAS_CONFIG;
                     ch_free( bdb->bi_dbenv_home );
                     bdb->bi_dbenv_home = NULL;
                     ch_free( bdb->bi_db_config_path );
                     bdb->bi_db_config_path = NULL;
                     c->cleanup = bdb_cf_cleanup;
                     ldap_pvt_thread_pool_purgekey( bdb->bi_dbenv );
                     break;
              case BDB_NOSYNC:
                     bdb->bi_dbenv->set_flags( bdb->bi_dbenv, DB_TXN_NOSYNC, 0 );
                     break;
              case BDB_CHECKSUM:
                     bdb->bi_flags &= ~BDB_CHKSUM;
                     break;
              case BDB_INDEX:
                     if ( c->valx == -1 ) {
                            int i;

                            /* delete all (FIXME) */
                            for ( i = 0; i < bdb->bi_nattrs; i++ ) {
                                   bdb->bi_attrs[i]->ai_indexmask |= BDB_INDEX_DELETING;
                            }
                            bdb->bi_flags |= BDB_DEL_INDEX;
                            c->cleanup = bdb_cf_cleanup;

                     } else {
                            struct berval bv, def = BER_BVC("default");
                            char *ptr;

                            for (ptr = c->line; !isspace( (unsigned char) *ptr ); ptr++);

                            bv.bv_val = c->line;
                            bv.bv_len = ptr - bv.bv_val;
                            if ( bvmatch( &bv, &def )) {
                                   bdb->bi_defaultmask = 0;

                            } else {
                                   int i;
                                   char **attrs;
                                   char sep;

                                   sep = bv.bv_val[ bv.bv_len ];
                                   bv.bv_val[ bv.bv_len ] = '\0';
                                   attrs = ldap_str2charray( bv.bv_val, "," );

                                   for ( i = 0; attrs[ i ]; i++ ) {
                                          AttributeDescription *ad = NULL;
                                          const char *text;
                                          AttrInfo *ai;

                                          slap_str2ad( attrs[ i ], &ad, &text );
                                          /* if we got here... */
                                          assert( ad != NULL );

                                          ai = bdb_attr_mask( bdb, ad );
                                          /* if we got here... */
                                          assert( ai != NULL );

                                          ai->ai_indexmask |= BDB_INDEX_DELETING;
                                          bdb->bi_flags |= BDB_DEL_INDEX;
                                          c->cleanup = bdb_cf_cleanup;
                                   }

                                   bv.bv_val[ bv.bv_len ] = sep;
                                   ldap_charray_free( attrs );
                            }
                     }
                     break;
              /* doesn't make sense on the fly; the DB file must be
               * recreated
               */
              case BDB_PGSIZE: {
                            struct bdb_db_pgsize *ps, **prev;
                            int i;

                            for ( i = 0, prev = &bdb->bi_pagesizes, ps = *prev; ps;
                                   prev = &ps->bdp_next, ps = ps->bdp_next, i++ ) {
                                   if ( c->valx == -1 || i == c->valx ) {
                                          *prev = ps->bdp_next;
                                          ch_free( ps );
                                          ps = *prev;
                                          if ( i == c->valx ) break;
                                   }
                            }
                     }
                     break;
              }
              return rc;
       }

       switch( c->type ) {
       case BDB_MODE:
              if ( ASCII_DIGIT( c->argv[1][0] ) ) {
                     long mode;
                     char *next;
                     errno = 0;
                     mode = strtol( c->argv[1], &next, 0 );
                     if ( errno != 0 || next == c->argv[1] || next[0] != '\0' ) {
                            fprintf( stderr, "%s: "
                                   "unable to parse mode=\"%s\".\n",
                                   c->log, c->argv[1] );
                            return 1;
                     }
                     bdb->bi_dbenv_mode = mode;

              } else {
                     char *m = c->argv[1];
                     int who, what, mode = 0;

                     if ( strlen( m ) != STRLENOF("-rwxrwxrwx") ) {
                            return 1;
                     }

                     if ( m[0] != '-' ) {
                            return 1;
                     }

                     m++;
                     for ( who = 0; who < 3; who++ ) {
                            for ( what = 0; what < 3; what++, m++ ) {
                                   if ( m[0] == '-' ) {
                                          continue;
                                   } else if ( m[0] != "rwx"[what] ) {
                                          return 1;
                                   }
                                   mode += ((1 << (2 - what)) << 3*(2 - who));
                            }
                     }
                     bdb->bi_dbenv_mode = mode;
              }
              break;
       case BDB_CHKPT: {
              long   l;
              bdb->bi_txn_cp = 1;
              if ( lutil_atolx( &l, c->argv[1], 0 ) != 0 ) {
                     fprintf( stderr, "%s: "
                            "invalid kbyte \"%s\" in \"checkpoint\".\n",
                            c->log, c->argv[1] );
                     return 1;
              }
              bdb->bi_txn_cp_kbyte = l;
              if ( lutil_atolx( &l, c->argv[2], 0 ) != 0 ) {
                     fprintf( stderr, "%s: "
                            "invalid minutes \"%s\" in \"checkpoint\".\n",
                            c->log, c->argv[2] );
                     return 1;
              }
              bdb->bi_txn_cp_min = l;
              /* If we're in server mode and time-based checkpointing is enabled,
               * submit a task to perform periodic checkpoints.
               */
              if ((slapMode & SLAP_SERVER_MODE) && bdb->bi_txn_cp_min ) {
                     struct re_s *re = bdb->bi_txn_cp_task;
                     if ( re ) {
                            re->interval.tv_sec = bdb->bi_txn_cp_min * 60;
                     } else {
                            if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) {
                                   fprintf( stderr, "%s: "
                                          "\"checkpoint\" must occur after \"suffix\".\n",
                                          c->log );
                                   return 1;
                            }
                            ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
                            bdb->bi_txn_cp_task = ldap_pvt_runqueue_insert( &slapd_rq,
                                   bdb->bi_txn_cp_min * 60, bdb_checkpoint, bdb,
                                   LDAP_XSTRING(bdb_checkpoint), c->be->be_suffix[0].bv_val );
                            ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
                     }
              }
              } break;

       case BDB_CONFIG: {
              char *ptr = c->line;
              struct berval bv;

              if ( c->op == SLAP_CONFIG_ADD ) {
                     ptr += STRLENOF("dbconfig");
                     while (!isspace((unsigned char)*ptr)) ptr++;
                     while (isspace((unsigned char)*ptr)) ptr++;
              }

              if ( bdb->bi_flags & BDB_IS_OPEN ) {
                     bdb->bi_flags |= BDB_UPD_CONFIG;
                     c->cleanup = bdb_cf_cleanup;
              } else {
              /* If we're just starting up...
               */
                     FILE *f;
                     /* If a DB_CONFIG file exists, or we don't know the path
                      * to the DB_CONFIG file, ignore these directives
                      */
                     if (( bdb->bi_flags & BDB_HAS_CONFIG ) || !bdb->bi_db_config_path )
                            break;
                     f = fopen( bdb->bi_db_config_path, "a" );
                     if ( f ) {
                            /* FIXME: EBCDIC probably needs special handling */
                            fprintf( f, "%s\n", ptr );
                            fclose( f );
                     }
              }
              ber_str2bv( ptr, 0, 1, &bv );
              ber_bvarray_add( &bdb->bi_db_config, &bv );
              }
              break;

       case BDB_CRYPTFILE:
              rc = lutil_get_filed_password( c->value_string, &bdb->bi_db_crypt_key );
              if ( rc == 0 ) {
                     bdb->bi_db_crypt_file = c->value_string;
              }
              break;

       /* Cannot set key if file was already set */
       case BDB_CRYPTKEY:
              if ( bdb->bi_db_crypt_file ) {
                     rc = 1;
              } else {
                     bdb->bi_db_crypt_key = c->value_bv;
              }
              break;

       case BDB_DIRECTORY: {
              FILE *f;
              char *ptr, *testpath;
              int len;

              len = strlen( c->value_string );
              testpath = ch_malloc( len + STRLENOF(LDAP_DIRSEP) + STRLENOF("DUMMY") + 1 );
              ptr = lutil_strcopy( testpath, c->value_string );
              *ptr++ = LDAP_DIRSEP[0];
              strcpy( ptr, "DUMMY" );
              f = fopen( testpath, "w" );
              if ( f ) {
                     fclose( f );
                     unlink( testpath );
              }
              ch_free( testpath );
              if ( !f ) {
                     snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s: invalid path: %s",
                            c->log, strerror( errno ));
                     Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 );
                     return -1;
              }

              if ( bdb->bi_dbenv_home )
                     ch_free( bdb->bi_dbenv_home );
              bdb->bi_dbenv_home = c->value_string;

              /* See if a DB_CONFIG file already exists here */
              if ( bdb->bi_db_config_path )
                     ch_free( bdb->bi_db_config_path );
              bdb->bi_db_config_path = ch_malloc( len +
                     STRLENOF(LDAP_DIRSEP) + STRLENOF("DB_CONFIG") + 1 );
              ptr = lutil_strcopy( bdb->bi_db_config_path, bdb->bi_dbenv_home );
              *ptr++ = LDAP_DIRSEP[0];
              strcpy( ptr, "DB_CONFIG" );

              f = fopen( bdb->bi_db_config_path, "r" );
              if ( f ) {
                     bdb->bi_flags |= BDB_HAS_CONFIG;
                     fclose(f);
              }
              }
              break;

       case BDB_NOSYNC:
              if ( c->value_int )
                     bdb->bi_dbenv_xflags |= DB_TXN_NOSYNC;
              else
                     bdb->bi_dbenv_xflags &= ~DB_TXN_NOSYNC;
              if ( bdb->bi_flags & BDB_IS_OPEN ) {
                     bdb->bi_dbenv->set_flags( bdb->bi_dbenv, DB_TXN_NOSYNC,
                            c->value_int );
              }
              break;

       case BDB_CHECKSUM:
              if ( c->value_int )
                     bdb->bi_flags |= BDB_CHKSUM;
              else
                     bdb->bi_flags &= ~BDB_CHKSUM;
              break;

       case BDB_INDEX:
              rc = bdb_attr_index_config( bdb, c->fname, c->lineno,
                     c->argc - 1, &c->argv[1], &c->reply);

              if( rc != LDAP_SUCCESS ) return 1;
              if (( bdb->bi_flags & BDB_IS_OPEN ) && !bdb->bi_index_task ) {
                     /* Start the task as soon as we finish here. Set a long
                      * interval (10 hours) so that it only gets scheduled once.
                      */
                     if ( c->be->be_suffix == NULL || BER_BVISNULL( &c->be->be_suffix[0] ) ) {
                            fprintf( stderr, "%s: "
                                   "\"index\" must occur after \"suffix\".\n",
                                   c->log );
                            return 1;
                     }
                     ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
                     bdb->bi_index_task = ldap_pvt_runqueue_insert( &slapd_rq, 36000,
                            bdb_online_index, c->be,
                            LDAP_XSTRING(bdb_online_index), c->be->be_suffix[0].bv_val );
                     ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
              }
              break;

       case BDB_LOCKD:
              rc = verb_to_mask( c->argv[1], bdb_lockd );
              if ( BER_BVISNULL(&bdb_lockd[rc].word) ) {
                     fprintf( stderr, "%s: "
                            "bad policy (%s) in \"lockDetect <policy>\" line\n",
                            c->log, c->argv[1] );
                     return 1;
              }
              bdb->bi_lock_detect = (u_int32_t)rc;
              break;

       case BDB_SSTACK:
              if ( c->value_int < MINIMUM_SEARCH_STACK_DEPTH ) {
                     fprintf( stderr,
              "%s: depth %d too small, using %d\n",
                     c->log, c->value_int, MINIMUM_SEARCH_STACK_DEPTH );
                     c->value_int = MINIMUM_SEARCH_STACK_DEPTH;
              }
              bdb->bi_search_stack_depth = c->value_int;
              break;

       case BDB_PGSIZE: {
              struct bdb_db_pgsize *ps, **prev;
              int i, s;
              
              s = atoi(c->argv[2]);
              if ( s < 1 || s > 64 ) {
                     snprintf( c->cr_msg, sizeof( c->cr_msg ),
                            "%s: size must be > 0 and <= 64: %d",
                            c->log, s );
                     Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 );
                     return -1;
              }
              i = strlen(c->argv[1]);
              ps = ch_malloc( sizeof(struct bdb_db_pgsize) + i + 1 );
              ps->bdp_next = NULL;
              ps->bdp_name.bv_len = i;
              ps->bdp_name.bv_val = (char *)(ps+1);
              strcpy( ps->bdp_name.bv_val, c->argv[1] );
              ps->bdp_size = s * 1024;
              for ( prev = &bdb->bi_pagesizes; *prev; prev = &(*prev)->bdp_next )
                     ;
              *prev = ps;
              }
              break;
       }
       return 0;
}

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static void* bdb_checkpoint ( void ctx,
void arg 
) [static]

Definition at line 187 of file config.c.

{
       struct re_s *rtask = arg;
       struct bdb_info *bdb = rtask->arg;
       
       TXN_CHECKPOINT( bdb->bi_dbenv, bdb->bi_txn_cp_kbyte,
              bdb->bi_txn_cp_min, 0 );
       ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
       ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
       ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );
       return NULL;
}

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static void* bdb_online_index ( void ctx,
void arg 
) [static]

Definition at line 202 of file config.c.

{
       struct re_s *rtask = arg;
       BackendDB *be = rtask->arg;
       struct bdb_info *bdb = be->be_private;

       Connection conn = {0};
       OperationBuffer opbuf;
       Operation *op;

       DBC *curs;
       DBT key, data;
       DB_TXN *txn;
       DB_LOCK lock;
       ID id, nid;
       EntryInfo *ei;
       int rc, getnext = 1;
       int i;

       connection_fake_init( &conn, &opbuf, ctx );
       op = &opbuf.ob_op;

       op->o_bd = be;

       DBTzero( &key );
       DBTzero( &data );
       
       id = 1;
       key.data = &nid;
       key.size = key.ulen = sizeof(ID);
       key.flags = DB_DBT_USERMEM;

       data.flags = DB_DBT_USERMEM | DB_DBT_PARTIAL;
       data.dlen = data.ulen = 0;

       while ( 1 ) {
              if ( slapd_shutdown )
                     break;

              rc = TXN_BEGIN( bdb->bi_dbenv, NULL, &txn, bdb->bi_db_opflags );
              if ( rc ) 
                     break;
              if ( getnext ) {
                     getnext = 0;
                     BDB_ID2DISK( id, &nid );
                     rc = bdb->bi_id2entry->bdi_db->cursor(
                            bdb->bi_id2entry->bdi_db, txn, &curs, bdb->bi_db_opflags );
                     if ( rc ) {
                            TXN_ABORT( txn );
                            break;
                     }
                     rc = curs->c_get( curs, &key, &data, DB_SET_RANGE );
                     curs->c_close( curs );
                     if ( rc ) {
                            TXN_ABORT( txn );
                            if ( rc == DB_NOTFOUND )
                                   rc = 0;
                            if ( rc == DB_LOCK_DEADLOCK ) {
                                   ldap_pvt_thread_yield();
                                   continue;
                            }
                            break;
                     }
                     BDB_DISK2ID( &nid, &id );
              }

              ei = NULL;
              rc = bdb_cache_find_id( op, txn, id, &ei, 0, &lock );
              if ( rc ) {
                     TXN_ABORT( txn );
                     if ( rc == DB_LOCK_DEADLOCK ) {
                            ldap_pvt_thread_yield();
                            continue;
                     }
                     if ( rc == DB_NOTFOUND ) {
                            id++;
                            getnext = 1;
                            continue;
                     }
                     break;
              }
              if ( ei->bei_e ) {
                     rc = bdb_index_entry( op, txn, BDB_INDEX_UPDATE_OP, ei->bei_e );
                     if ( rc == DB_LOCK_DEADLOCK ) {
                            TXN_ABORT( txn );
                            ldap_pvt_thread_yield();
                            continue;
                     }
                     if ( rc == 0 ) {
                            rc = TXN_COMMIT( txn, 0 );
                            txn = NULL;
                     }
                     if ( rc )
                            break;
              }
              id++;
              getnext = 1;
       }

       for ( i = 0; i < bdb->bi_nattrs; i++ ) {
              if ( bdb->bi_attrs[ i ]->ai_indexmask & BDB_INDEX_DELETING
                     || bdb->bi_attrs[ i ]->ai_newmask == 0 )
              {
                     continue;
              }
              bdb->bi_attrs[ i ]->ai_indexmask = bdb->bi_attrs[ i ]->ai_newmask;
              bdb->bi_attrs[ i ]->ai_newmask = 0;
       }

       ldap_pvt_thread_mutex_lock( &slapd_rq.rq_mutex );
       ldap_pvt_runqueue_stoptask( &slapd_rq, rtask );
       bdb->bi_index_task = NULL;
       ldap_pvt_runqueue_remove( &slapd_rq, rtask );
       ldap_pvt_thread_mutex_unlock( &slapd_rq.rq_mutex );

       return NULL;
}

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Variable Documentation

Definition at line 40 of file config.c.

Initial value:
 {
       { BER_BVC("default"), DB_LOCK_DEFAULT },
       { BER_BVC("oldest"), DB_LOCK_OLDEST },
       { BER_BVC("random"), DB_LOCK_RANDOM },
       { BER_BVC("youngest"), DB_LOCK_YOUNGEST },
       { BER_BVC("fewest"), DB_LOCK_MINLOCKS },
       { BER_BVNULL, 0 }
}

Definition at line 176 of file config.c.

ConfigTable bdbcfg[] [static]

Definition at line 58 of file config.c.

ConfigOCs bdbocs[] [static]
Initial value:
 {
       {





              "( OLcfgDbOc:1.1 "
              "NAME 'olcBdbConfig' "
              "DESC 'BDB backend configuration' "

              "SUP olcDatabaseConfig "
              "MUST olcDbDirectory "
              "MAY ( olcDbCacheSize $ olcDbCheckpoint $ olcDbConfig $ "
              "olcDbCryptFile $ olcDbCryptKey $ "
              "olcDbNoSync $ olcDbDirtyRead $ olcDbIDLcacheSize $ "
              "olcDbIndex $ olcDbLinearIndex $ olcDbLockDetect $ "
              "olcDbMode $ olcDbSearchStack $ olcDbShmKey $ "
              "olcDbCacheFree $ olcDbDNcacheSize $ olcDbPageSize ) )",
                     Cft_Database, bdbcfg },
       { NULL, 0, NULL }
}

Definition at line 153 of file config.c.