X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fsyncrepl.c;h=7a9272759be7496aa58e8f9576a4ac5f2d61a14a;hb=d168b49464df8a034e244c6610721155aa6b42ba;hp=1cc4b8483299b35121cb76616defbb6a9964a612;hpb=fdce5f2f7eb351a7218b3d168081776e1aae66b2;p=openldap

diff --git a/servers/slapd/syncrepl.c b/servers/slapd/syncrepl.c
index 1cc4b84832..7a9272759b 100644
--- a/servers/slapd/syncrepl.c
+++ b/servers/slapd/syncrepl.c
@@ -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 ) {
@@ -1472,7 +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;
 
@@ -1548,9 +1543,10 @@ done:
 	if ( rc != LDAP_SUCCESS ) {
 		if ( e ) {
 			entry_free( e );
-			*entry = e = NULL;
+			e = NULL;
 		}
 	}
+	*entry = e;
 
 	return rc;
 }
@@ -1613,7 +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};
@@ -1747,8 +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 )) {
@@ -1765,15 +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(),
@@ -1809,7 +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;
@@ -1820,7 +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;
@@ -1837,14 +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 );
@@ -1852,7 +1858,6 @@ retry_add:;
 				op->o_req_dn = entry->e_name;
 				op->o_req_ndn = entry->e_nname;
 			} else {
-				ret = 1;
 				goto done;
 			}
 		}
@@ -1918,7 +1923,6 @@ retry_add:;
 					rs_modify.sr_err, 0, 0 );
 			}
 		}
-		ret = 1;
 		goto done;
 	case LDAP_SYNC_DELETE :
 		if ( !BER_BVISNULL( &dni.dn )) {
@@ -1946,17 +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 );
@@ -1970,8 +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[] = {
@@ -2124,12 +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 )
@@ -2239,6 +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 */
@@ -2269,10 +2280,10 @@ syncrepl_add_glue(
 		entry_free( e );
 	}
 
-	return;
+	return rc;
 }
 
-static void
+static int
 syncrepl_updateCookie(
 	syncinfo_t *si,
 	Operation *op,
@@ -2288,18 +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;
 
@@ -2318,14 +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
@@ -2568,6 +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 );
@@ -3066,7 +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 );
@@ -3080,7 +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 );
@@ -3361,12 +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;
 		}