]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-bdb/ctxcsn.c
Move MSVC port to the Attic
[openldap] / servers / slapd / back-bdb / ctxcsn.c
index 1b4706b0bd1aabdd488208ca4ca5b8037fb42ea7..1127995de39c5344c260871abe6c3dc270687bbe 100644 (file)
@@ -39,7 +39,6 @@ bdb_csn_commit(
 )
 {
        struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
-       struct berval   ctxcsn_ndn = BER_BVNULL;
        EntryInfo               *ctxcsn_ei = NULL;
        DB_LOCK                 ctxcsn_lock;
        struct berval   max_committed_csn;
@@ -51,20 +50,27 @@ bdb_csn_commit(
        size_t                  textlen = sizeof textbuf;
        EntryInfo               *eip = NULL;
 
+       assert( !BER_BVISNULL( &op->o_bd->be_context_csn ) );
+
        if ( ei ) {
                e = ei->bei_e;
        }
 
-       build_new_dn( &ctxcsn_ndn, &op->o_bd->be_nsuffix[0],
-               (struct berval *)&slap_ldapsync_cn_bv, op->o_tmpmemctx );
-
-       rc =  bdb_dn2entry( op, tid, &ctxcsn_ndn, &ctxcsn_ei,
+       rc =  bdb_dn2entry( op, tid, &op->o_bd->be_context_csn, &ctxcsn_ei,
                        1, locker, &ctxcsn_lock );
+       switch( rc ) {
+       case 0:
+       case DB_NOTFOUND:
+               break;
+       case DB_LOCK_DEADLOCK:
+       case DB_LOCK_NOTGRANTED:
+               return BDB_CSN_RETRY;
+       default:
+               return BDB_CSN_ABORT;
+       }
        
        *ctxcsn_e = ctxcsn_ei->bei_e;
 
-       op->o_tmpfree( ctxcsn_ndn.bv_val, op->o_tmpmemctx );
-
        slap_get_commit_csn( op, &max_committed_csn );
 
        if ( max_committed_csn.bv_val == NULL ) {
@@ -78,7 +84,7 @@ bdb_csn_commit(
                if ( !*ctxcsn_e ) {
                        rs->sr_err = LDAP_OTHER;
                        rs->sr_text = "context csn not present";
-                       ch_free( max_committed_csn.bv_val );
+                       op->o_tmpfree( max_committed_csn.bv_val, op->o_tmpmemctx );
                        return BDB_CSN_ABORT;
                } else {
                        Modifications mod;
@@ -99,7 +105,7 @@ bdb_csn_commit(
                        dummy = **ctxcsn_e;
                        ret = bdb_modify_internal( op, tid, &mod, &dummy,
                                                                        &rs->sr_text, textbuf, textlen );                                                      
-                       ch_free( max_committed_csn.bv_val );
+                       op->o_tmpfree( max_committed_csn.bv_val, op->o_tmpmemctx );
                        if ( ret != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
                                LDAP_LOG ( OPERATION, ERR,
@@ -158,7 +164,7 @@ bdb_csn_commit(
                }
 
                *ctxcsn_e = slap_create_context_csn_entry( op->o_bd, &max_committed_csn );
-               ch_free( max_committed_csn.bv_val );
+               op->o_tmpfree( max_committed_csn.bv_val, op->o_tmpmemctx );
                (*ctxcsn_e)->e_id = ctxcsn_id;
                *ctxcsn_added = 1;
 
@@ -171,7 +177,7 @@ bdb_csn_commit(
                        goto rewind;
                case DB_KEYEXIST :
                        rs->sr_err = LDAP_OTHER;
-                       rs->sr_text = "context csn exists before contex prefix does";
+                       rs->sr_text = "context csn exists before context prefix does";
                        return BDB_CSN_ABORT;
                default :
                        rs->sr_err = LDAP_OTHER;
@@ -245,7 +251,6 @@ bdb_get_commit_csn(
 )
 {
        struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
-       struct berval ctxcsn_ndn = BER_BVNULL;
        struct berval csn = BER_BVNULL;
        EntryInfo       *ctxcsn_ei = NULL;
        EntryInfo       *suffix_ei = NULL;
@@ -259,44 +264,40 @@ bdb_get_commit_csn(
        int                     rc;
        struct sync_cookie syncCookie = { NULL, -1, NULL};
        syncinfo_t      *si;
+       u_int32_t       ctxcsn_locker = 0;
 
        if ( op->o_sync_mode != SLAP_SYNC_NONE &&
                 !LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
                char substr[67];
+               struct berval ctxcsn_ndn = BER_BVNULL;
                struct berval bv;
 
                LDAP_STAILQ_FOREACH( si, &op->o_bd->be_syncinfo, si_next ) {
                        sprintf( substr, "cn=syncrepl%ld", si->si_rid );
                        ber_str2bv( substr, 0, 0, &bv );
-                       build_new_dn( &ctxcsn_ndn, &op->o_bd->be_nsuffix[0], &bv, NULL );
+                       build_new_dn( &ctxcsn_ndn, &op->o_bd->be_nsuffix[0], &bv, op->o_tmpmemctx );
 
 consumer_ctxcsn_retry :
                        rs->sr_err = bdb_dn2entry( op, NULL, &ctxcsn_ndn, &ctxcsn_ei,
                                                                                0, locker, ctxcsn_lock );
                        switch(rs->sr_err) {
+                       case DB_LOCK_DEADLOCK:
+                       case DB_LOCK_NOTGRANTED:
+                               goto consumer_ctxcsn_retry;
                        case 0:
-                               ch_free( ctxcsn_ndn.bv_val );
+                               op->o_tmpfree( ctxcsn_ndn.bv_val, op->o_tmpmemctx );
                                ctxcsn_ndn.bv_val = NULL;
                                if ( ctxcsn_ei ) {
                                        ctxcsn_e = ctxcsn_ei->bei_e;
                                }
                                break;
-                       case LDAP_BUSY:
-                               ch_free( ctxcsn_ndn.bv_val );
-                               LOCK_ID_FREE (bdb->bi_dbenv, locker );
-                               return LDAP_BUSY;
-                       case DB_LOCK_DEADLOCK:
-                       case DB_LOCK_NOTGRANTED:
-                               goto consumer_ctxcsn_retry;
                        case DB_NOTFOUND:
-                               ch_free( ctxcsn_ndn.bv_val );
-                               LOCK_ID_FREE( bdb->bi_dbenv, locker );
-                               return LDAP_OTHER;
                        default:
-                               ch_free( ctxcsn_ndn.bv_val );
+                               rs->sr_err = LDAP_OTHER;
+                       case LDAP_BUSY:
+                               op->o_tmpfree( ctxcsn_ndn.bv_val, op->o_tmpmemctx );
                                ctxcsn_ndn.bv_val = NULL;
-                               LOCK_ID_FREE (bdb->bi_dbenv, locker );
-                               return LDAP_OTHER;
+                               goto done;
                        }
 
                        if ( ctxcsn_e ) {
@@ -337,23 +338,18 @@ consumer_ctxcsn_retry :
                }
        } else if ( op->o_sync_mode != SLAP_SYNC_NONE &&
                 LDAP_STAILQ_EMPTY( &op->o_bd->be_syncinfo )) {
-               build_new_dn( &ctxcsn_ndn, &op->o_bd->be_nsuffix[0],
-                                       (struct berval *)&slap_ldapsync_cn_bv, NULL );
 
 provider_ctxcsn_retry :
-               rs->sr_err = bdb_dn2entry( op, NULL, &ctxcsn_ndn, &ctxcsn_ei,
+               rs->sr_err = bdb_dn2entry( op, NULL, &op->o_bd->be_context_csn, &ctxcsn_ei,
                                                                        0, locker, ctxcsn_lock );
                switch(rs->sr_err) {
                case 0:
-                       ch_free( ctxcsn_ndn.bv_val );
                        if ( ctxcsn_ei ) {
                                ctxcsn_e = ctxcsn_ei->bei_e;
                        }
                        break;
                case LDAP_BUSY:
-                       ch_free( ctxcsn_ndn.bv_val );
-                       LOCK_ID_FREE (bdb->bi_dbenv, locker );
-                       return LDAP_BUSY;
+                       goto done;
                case DB_LOCK_DEADLOCK:
                case DB_LOCK_NOTGRANTED:
                        goto provider_ctxcsn_retry;
@@ -366,9 +362,10 @@ provider_ctxcsn_retry :
                        if ( 0 ) {
 txn_retry:
                                rs->sr_err = TXN_ABORT( ltid );
+                               ltid = NULL;
                                if ( rs->sr_err != 0 ) {
                                        rs->sr_err = LDAP_OTHER;
-                                       return rs->sr_err;
+                                       goto done;
                                }
                                ldap_pvt_thread_yield();
                                bdb_trans_backoff( ++num_retries );
@@ -377,15 +374,17 @@ txn_retry:
                                                                &ltid, bdb->bi_db_opflags );
                        if ( rs->sr_err != 0 ) {
                                rs->sr_err = LDAP_OTHER;
-                               return rs->sr_err;
+                               goto done;
                        }
 
+                       ctxcsn_locker = TXN_ID ( ltid );
+
                        rs->sr_err = bdb_csn_commit( op, rs, ltid, NULL, &suffix_ei,
-                                                                       &ctxcsn_e, &ctxcsn_added, locker );
+                                                                       &ctxcsn_e, &ctxcsn_added, ctxcsn_locker );
                        switch( rs->sr_err ) {
                        case BDB_CSN_ABORT:
-                               LOCK_ID_FREE( bdb->bi_dbenv, locker );
-                               return LDAP_OTHER;
+                               rs->sr_err = LDAP_OTHER;
+                               goto done;      
                        case BDB_CSN_RETRY:
                                goto txn_retry;
                        }
@@ -393,21 +392,20 @@ txn_retry:
                        rs->sr_err = TXN_PREPARE( ltid, gid );
                        if ( rs->sr_err != 0 ) {
                                rs->sr_err = LDAP_OTHER;
-                               return rs->sr_err;
+                               goto done;
                        }
 
                        bdb_cache_add( bdb, suffix_ei, ctxcsn_e,
-                                       (struct berval *)&slap_ldapsync_cn_bv, locker );
+                                       (struct berval *)&slap_ldapsync_cn_bv, ctxcsn_locker );
 
                        rs->sr_err = TXN_COMMIT( ltid, 0 );
                        if ( rs->sr_err != 0 ) {
                                rs->sr_err = LDAP_OTHER;
-                               return rs->sr_err;
+                               goto done;
                        }
 
-                       rs->sr_err = bdb_dn2entry( op, NULL, &ctxcsn_ndn, &ctxcsn_ei,
-                                    0, locker, ctxcsn_lock );
-                       ch_free( ctxcsn_ndn.bv_val );
+                       rs->sr_err = bdb_dn2entry( op, NULL, &op->o_bd->be_context_csn, &ctxcsn_ei,
+                                    0, ctxcsn_locker, ctxcsn_lock );
 
                        if ( ctxcsn_ei ) {
                                ctxcsn_e = ctxcsn_ei->bei_e;
@@ -415,9 +413,8 @@ txn_retry:
                        break;
 
                default:
-                       ch_free( ctxcsn_ndn.bv_val );
-                       LOCK_ID_FREE (bdb->bi_dbenv, locker );
-                       return LDAP_OTHER;
+                       rs->sr_err = LDAP_OTHER;
+                       goto done;
                }
 
                if ( ctxcsn_e ) {
@@ -433,5 +430,13 @@ txn_retry:
                }
        }
 
-       return LDAP_SUCCESS;
+       ltid = NULL;
+       rs->sr_err = LDAP_SUCCESS;
+
+done:
+    if( ltid != NULL ) {
+        TXN_ABORT( ltid );
+    }
+
+       return rs->sr_err;
 }