]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/syncrepl.c
make back-meta conform with man page
[openldap] / servers / slapd / syncrepl.c
index 60e15f5e259ea27ee7ce20b6b6c94f83ba41072f..7a9272759be7496aa58e8f9576a4ac5f2d61a14a 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 2003-2005 The OpenLDAP Foundation.
+ * Copyright 2003-2006 The OpenLDAP Foundation.
  * Portions Copyright 2003 by IBM Corporation.
  * Portions Copyright 2003 by Howard Chu, Symas Corporation.
  * All rights reserved.
@@ -102,7 +102,7 @@ static int syncrepl_entry(
                                        Modifications**,int, struct berval*,
                                        struct sync_cookie *,
                                        struct berval * );
-static void syncrepl_updateCookie(
+static int syncrepl_updateCookie(
                                        syncinfo_t *, Operation *, struct berval *,
                                        struct sync_cookie * );
 static struct berval * slap_uuidstr_from_normalized(
@@ -630,8 +630,6 @@ do_syncrep2(
        int     rc, err, i;
        ber_len_t       len;
 
-       int rc_efree = 1;
-
        struct berval   *psub;
        Modifications   *modlist = NULL;
 
@@ -715,30 +713,28 @@ do_syncrep2(
                                                slap_parse_sync_cookie( &syncCookie, NULL );
                                        }
                                }
+                               rc = 0;
                                if ( si->si_syncdata && si->si_logstate == SYNCLOG_LOGGING ) {
-                                       entry = NULL;
                                        modlist = NULL;
-                                       if ( syncrepl_message_to_op( si, op, msg ) == LDAP_SUCCESS &&
+                                       if (( rc = syncrepl_message_to_op( si, op, msg )) == LDAP_SUCCESS &&
                                                !BER_BVISNULL( &syncCookie.ctxcsn ) ) {
-                                               syncrepl_updateCookie( si, op, psub, &syncCookie );
+                                               rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
                                        }
-                               } else if ( syncrepl_message_to_entry( si, op, msg,
-                                       &modlist, &entry, syncstate ) == LDAP_SUCCESS ) {
-                                       rc_efree = syncrepl_entry( si, op, entry, &modlist,
-                                               syncstate, &syncUUID, &syncCookie_req, &syncCookie.ctxcsn );
-                                       if ( !BER_BVISNULL( &syncCookie.ctxcsn ) )
-                                       {
-                                               syncrepl_updateCookie( si, op, psub, &syncCookie );
+                               } else if (( rc = syncrepl_message_to_entry( si, op, msg,
+                                       &modlist, &entry, syncstate )) == LDAP_SUCCESS ) {
+                                       if (( rc = syncrepl_entry( si, op, entry, &modlist,
+                                               syncstate, &syncUUID, &syncCookie_req,
+                                               &syncCookie.ctxcsn )) == LDAP_SUCCESS &&
+                                               !BER_BVISNULL( &syncCookie.ctxcsn ) ) {
+                                               rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
                                        }
                                }
                                ldap_controls_free( rctrls );
                                if ( modlist ) {
                                        slap_mods_free( modlist, 1 );
                                }
-                               if ( rc_efree && entry ) {
-                                       entry_free( entry );
-                               }
-                               entry = NULL;
+                               if ( rc )
+                                       goto done;
                                break;
 
                        case LDAP_RES_SEARCH_REFERENCE:
@@ -800,7 +796,7 @@ do_syncrep2(
                                if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
                                        match < 0 && err == LDAP_SUCCESS )
                                {
-                                       syncrepl_updateCookie( si, op, psub, &syncCookie );
+                                       rc = syncrepl_updateCookie( si, op, psub, &syncCookie );
                                }
                                if ( rctrls ) {
                                        ldap_controls_free( rctrls );
@@ -943,7 +939,7 @@ do_syncrep2(
                                        if ( !BER_BVISNULL( &syncCookie.ctxcsn ) &&
                                                match < 0 )
                                        {
-                                               syncrepl_updateCookie( si, op, psub, &syncCookie);
+                                               rc = syncrepl_updateCookie( si, op, psub, &syncCookie);
                                        }
 
                                        if ( si->si_refreshPresent == 1 ) {
@@ -1386,7 +1382,11 @@ syncrepl_message_to_op(
                op->orr_newrdn = prdn;
                op->orr_nnewrdn = nrdn;
                op->orr_deleteoldrdn = deleteOldRdn;
+               op->orr_modlist = NULL;
+               if ( slap_modrdn2mods( op, &rs ))
+                       goto done;
                rc = op->o_bd->be_modrdn( op, &rs );
+               slap_mods_free( op->orr_modlist, 1 );
                break;
        case LDAP_REQ_DELETE:
                rc = op->o_bd->be_delete( op, &rs );
@@ -1468,7 +1468,6 @@ syncrepl_message_to_entry(
        }
 
        e = ( Entry * ) ch_calloc( 1, sizeof( Entry ) );
-       *entry = e;
        e->e_name = op->o_req_dn;
        e->e_nname = op->o_req_ndn;
 
@@ -1544,9 +1543,10 @@ done:
        if ( rc != LDAP_SUCCESS ) {
                if ( e ) {
                        entry_free( e );
-                       *entry = e = NULL;
+                       e = NULL;
                }
        }
+       *entry = e;
 
        return rc;
 }
@@ -1609,7 +1609,6 @@ syncrepl_entry(
        AttributeAssertion ava = { NULL, BER_BVNULL };
 #endif
        int rc = LDAP_SUCCESS;
-       int ret = LDAP_SUCCESS;
 
        struct berval pdn = BER_BVNULL;
        dninfo dni = {0};
@@ -1743,8 +1742,15 @@ syncrepl_entry(
        case LDAP_SYNC_MODIFY:
                {
                        Attribute *a = attr_find( entry->e_attrs, slap_schema.si_ad_entryCSN );
-                       if ( a )
+                       if ( a ) {
+                               /* FIXME: op->o_csn is assumed to be
+                                * on the thread's slab; this needs
+                                * to be cleared ASAP.
+                                * What happens if already present?
+                                */
+                               assert( BER_BVISNULL( &op->o_csn ) );
                                op->o_csn = a->a_vals[0];
+                       }
                }
 retry_add:;
                if ( BER_BVISNULL( &dni.dn )) {
@@ -1761,15 +1767,15 @@ retry_add:;
                        switch ( rs_add.sr_err ) {
                        case LDAP_SUCCESS:
                                be_entry_release_w( op, entry );
-                               ret = 0;
+                               entry = NULL;
                                break;
 
                        case LDAP_REFERRAL:
                        /* we assume that LDAP_NO_SUCH_OBJECT is returned 
                         * only if the suffix entry is not present */
                        case LDAP_NO_SUCH_OBJECT:
-                               syncrepl_add_glue( op, entry );
-                               ret = 0;
+                               rc = syncrepl_add_glue( op, entry );
+                               entry = NULL;
                                break;
 
                        /* if an entry was added via syncrepl_add_glue(),
@@ -1805,7 +1811,8 @@ retry_add:;
                                        cb2.sc_response = dn_callback;
                                        cb2.sc_private = &dni;
 
-                                       be->be_search( &op2, &rs2 );
+                                       rc = be->be_search( &op2, &rs2 );
+                                       if ( rc ) goto done;
 
                                        retry = 0;
                                        goto retry_add;
@@ -1816,7 +1823,6 @@ retry_add:;
                                Debug( LDAP_DEBUG_ANY,
                                        "syncrepl_entry : be_add failed (%d)\n",
                                        rs_add.sr_err, 0, 0 );
-                               ret = 1;
                                break;
                        }
                        goto done;
@@ -1833,13 +1839,18 @@ retry_add:;
 
                        dnParent( &dni.ndn, &noldp );
                        dnParent( &entry->e_nname, &nnewp );
-                       if ( !dn_match( &noldp, &newp )) {
+                       if ( !dn_match( &noldp, &nnewp )) {
                                dnParent( &entry->e_name, &newp );
                                op->orr_newSup = &newp;
                                op->orr_nnewSup = &nnewp;
                        }
                        op->orr_deleteoldrdn = 0;
+                       op->orr_modlist = NULL;
+                       if (( rc = slap_modrdn2mods( op, &rs_modify ))) {
+                               goto done;
+                       }
                        rc = be->be_modrdn( op, &rs_modify );
+                       slap_mods_free( op->orr_modlist, 1 );
                        Debug( LDAP_DEBUG_SYNC,
                                        "syncrepl_entry: %s (%d)\n", 
                                        "be_modrdn", rc, 0 );
@@ -1847,7 +1858,6 @@ retry_add:;
                                op->o_req_dn = entry->e_name;
                                op->o_req_ndn = entry->e_nname;
                        } else {
-                               ret = 1;
                                goto done;
                        }
                }
@@ -1913,7 +1923,6 @@ retry_add:;
                                        rs_modify.sr_err, 0, 0 );
                        }
                }
-               ret = 1;
                goto done;
        case LDAP_SYNC_DELETE :
                if ( !BER_BVISNULL( &dni.dn )) {
@@ -1941,17 +1950,15 @@ retry_add:;
                                }
                        }
                }
-               ret = 0;
                goto done;
 
        default :
                Debug( LDAP_DEBUG_ANY,
                        "syncrepl_entry : unknown syncstate\n", 0, 0, 0 );
-               ret = 1;
                goto done;
        }
 
-done :
+done:
        if ( !BER_BVISNULL( &syncUUID_strrep ) ) {
                slap_sl_free( syncUUID_strrep.bv_val, op->o_tmpmemctx );
                BER_BVZERO( &syncUUID_strrep );
@@ -1965,8 +1972,10 @@ done :
        if ( !BER_BVISNULL( &dni.dn ) ) {
                op->o_tmpfree( dni.dn.bv_val, op->o_tmpmemctx );
        }
+       if ( entry )
+               entry_free( entry );
        BER_BVZERO( &op->o_csn );
-       return ret;
+       return rc;
 }
 
 static struct berval gcbva[] = {
@@ -2119,12 +2128,15 @@ syncrepl_del_nonpresent(
                }
 
                slap_graduate_commit_csn( op );
+
+               op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
+               BER_BVZERO( &op->o_csn );
        }
 
        return;
 }
 
-void
+int
 syncrepl_add_glue(
        Operation* op,
        Entry *e )
@@ -2234,6 +2246,10 @@ syncrepl_add_glue(
                } else {
                /* incl. ALREADY EXIST */
                        entry_free( glue );
+                       if ( rs_add.sr_err != LDAP_ALREADY_EXISTS ) {
+                               entry_free( e );
+                               return rc;
+                       }
                }
 
                /* Move to next child */
@@ -2264,10 +2280,10 @@ syncrepl_add_glue(
                entry_free( e );
        }
 
-       return;
+       return rc;
 }
 
-static void
+static int
 syncrepl_updateCookie(
        syncinfo_t *si,
        Operation *op,
@@ -2283,18 +2299,14 @@ syncrepl_updateCookie(
        slap_callback cb = { NULL };
        SlapReply       rs_modify = {REP_RESULT};
 
-       slap_sync_cookie_free( &si->si_syncCookie, 0 );
-       slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
-
        mod.sml_op = LDAP_MOD_REPLACE;
        mod.sml_desc = slap_schema.si_ad_contextCSN;
        mod.sml_type = mod.sml_desc->ad_cname;
        mod.sml_values = vals;
-       vals[0] = si->si_syncCookie.ctxcsn;
-       vals[1].bv_val = NULL;
-       vals[1].bv_len = 0;
+       vals[0] = syncCookie->ctxcsn;
+       BER_BVZERO( &vals[1] );
 
-       slap_queue_csn( op, &si->si_syncCookie.ctxcsn );
+       slap_queue_csn( op, &syncCookie->ctxcsn );
 
        op->o_tag = LDAP_REQ_MODIFY;
 
@@ -2313,14 +2325,20 @@ syncrepl_updateCookie(
        rc = be->be_modify( op, &rs_modify );
        op->o_msgid = 0;
 
-       if ( rs_modify.sr_err != LDAP_SUCCESS ) {
+       if ( rs_modify.sr_err == LDAP_SUCCESS ) {
+               slap_sync_cookie_free( &si->si_syncCookie, 0 );
+               slap_dup_sync_cookie( &si->si_syncCookie, syncCookie );
+       } else {
                Debug( LDAP_DEBUG_ANY,
                        "be_modify failed (%d)\n", rs_modify.sr_err, 0, 0 );
        }
 
        slap_graduate_commit_csn( op );
 
-       return;
+       op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
+       BER_BVZERO( &op->o_csn );
+
+       return rc;
 }
 
 static int
@@ -2563,6 +2581,14 @@ avl_ber_bvfree( void *v_bv )
 void
 syncinfo_free( syncinfo_t *sie )
 {
+       /* re-fetch it, in case it was already removed */
+       sie->si_re = ldap_pvt_runqueue_find( &slapd_rq, do_syncrepl, sie );
+       if ( sie->si_re ) {
+               if ( ldap_pvt_runqueue_isrunning( &slapd_rq, sie->si_re ) )
+                       ldap_pvt_runqueue_stoptask( &slapd_rq, sie->si_re );
+               ldap_pvt_runqueue_remove( &slapd_rq, sie->si_re );
+       }
+
        ldap_pvt_thread_mutex_destroy( &sie->si_mutex );
 
        bindconf_free( &sie->si_bindconf );
@@ -3061,7 +3087,7 @@ parse_syncrepl_line(
                        if ( strcasecmp( val, "unlimited" ) == 0 ) {
                                si->si_slimit = 0;
 
-                       } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || val < 0 ) {
+                       } else if ( lutil_atoi( &si->si_slimit, val ) != 0 || si->si_slimit < 0 ) {
                                snprintf( c->msg, sizeof( c->msg ),
                                        "invalid size limit value \"%s\".\n",
                                        val );
@@ -3075,7 +3101,7 @@ parse_syncrepl_line(
                        if ( strcasecmp( val, "unlimited" ) == 0 ) {
                                si->si_tlimit = 0;
 
-                       } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || val < 0 ) {
+                       } else if ( lutil_atoi( &si->si_tlimit, val ) != 0 || si->si_tlimit < 0 ) {
                                snprintf( c->msg, sizeof( c->msg ),
                                        "invalid time limit value \"%s\".\n",
                                        val );
@@ -3356,12 +3382,6 @@ syncrepl_config( ConfigArgs *c )
                struct re_s *re;
 
                if ( c->be->be_syncinfo ) {
-                       re = c->be->be_syncinfo->si_re;
-                       if ( re ) {
-                               if ( ldap_pvt_runqueue_isrunning( &slapd_rq, re ) )
-                                       ldap_pvt_runqueue_stoptask( &slapd_rq, re );
-                               ldap_pvt_runqueue_remove( &slapd_rq, re );
-                       }
                        syncinfo_free( c->be->be_syncinfo );
                        c->be->be_syncinfo = NULL;
                }