test whether the current entry matches the current uri filter (ITS#6077); also, don...

[openldap] / servers / slapd / result.c

diff --git a/servers/slapd/result.c b/servers/slapd/result.c
index b5c6b90f5f3d5086c0ca1f93e39692d49acf4de1..353edc99820600722153d2dfef30324d94f3fab9 100644 (file)
--- a/servers/slapd/result.c
+++ b/servers/slapd/result.c
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2008 The OpenLDAP Foundation.
+ * Copyright 1998-2009 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -133,40 +133,60 @@ slap_req2res( ber_tag_t tag )
 }
 
 static long send_ldap_ber(
-       Connection *conn,
+       Operation *op,
        BerElement *ber )
 {
+       Connection *conn = op->o_conn;
        ber_len_t bytes;
        long ret = 0;
-       int closing = 0;
 
        ber_get_option( ber, LBER_OPT_BER_BYTES_TO_WRITE, &bytes );
 
        /* write only one pdu at a time - wait til it's our turn */
        ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
-       while ( conn->c_writers > 0 ) {
+       if (( op->o_abandon && !op->o_cancel ) || !connection_valid( conn ) ||
+               conn->c_writers < 0 ) {
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+               return 0;
+       }
+
+       conn->c_writers++;
+
+       while ( conn->c_writers > 0 && conn->c_writing ) {
                ldap_pvt_thread_cond_wait( &conn->c_write1_cv, &conn->c_write1_mutex );
        }
+
        /* connection was closed under us */
        if ( conn->c_writers < 0 ) {
-               closing = 1;
                /* we're the last waiter, let the closer continue */
                if ( conn->c_writers == -1 )
                        ldap_pvt_thread_cond_signal( &conn->c_write1_cv );
+               conn->c_writers++;
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+               return 0;
        }
 
-       conn->c_writers++;
-       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
-
-       if ( closing )
-               return 0;
+       /* Our turn */
+       conn->c_writing = 1;
 
        /* write the pdu */
        while( 1 ) {
                int err;
 
                /* lock the connection */ 
-               ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+               if ( ldap_pvt_thread_mutex_trylock( &conn->c_mutex )) {
+                       if ( !connection_valid(conn)) {
+                               ret = 0;
+                               break;
+                       }
+                       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
+                       ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+                       if ( conn->c_writers < 0 ) {
+                               ret = 0;
+                               break;
+                       }
+                       continue;
+               }
 
                if ( ber_flush2( conn->c_sb, ber, LBER_FLUSH_FREE_NEVER ) == 0 ) {
                        ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
@@ -186,33 +206,33 @@ static long send_ldap_ber(
                    err, sock_errstr(err), 0 );
 
                if ( err != EWOULDBLOCK && err != EAGAIN ) {
+                       conn->c_writers--;
+                       conn->c_writing = 0;
+                       ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                        connection_closing( conn, "connection lost on write" );
 
                        ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
-
-                       ret = -1;
-                       break;
+                       return -1;
                }
 
                /* wait for socket to be write-ready */
                ldap_pvt_thread_mutex_lock( &conn->c_write2_mutex );
                conn->c_writewaiter = 1;
-               slapd_set_write( conn->c_sd, 1 );
+               slapd_set_write( conn->c_sd, 2 );
 
+               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
                ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
                ldap_pvt_thread_cond_wait( &conn->c_write2_cv, &conn->c_write2_mutex );
                conn->c_writewaiter = 0;
                ldap_pvt_thread_mutex_unlock( &conn->c_write2_mutex );
                ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
-               closing = ( conn->c_writers < 0 );
-               ldap_pvt_thread_mutex_unlock( &conn->c_write1_mutex );
-               if ( closing ) {
+               if ( conn->c_writers < 0 ) {
                        ret = 0;
                        break;
                }
        }
 
-       ldap_pvt_thread_mutex_lock( &conn->c_write1_mutex );
+       conn->c_writing = 0;
        if ( conn->c_writers < 0 ) {
                conn->c_writers++;
                if ( !conn->c_writers )
@@ -282,11 +302,11 @@ send_ldap_controls( Operation *o, BerElement *ber, LDAPControl **c )
 
                ber_printf( sber, "{e}", LDAP_UNWILLING_TO_PERFORM );
 
-               if( ber_flatten2( ber, &sorted.ldctl_value, 0 ) == -1 ) {
+               if( ber_flatten2( sber, &sorted.ldctl_value, 0 ) == -1 ) {
                        return -1;
                }
 
-               (void) ber_free_buf( ber );
+               (void) ber_free_buf( sber );
 
                rc = send_ldap_control( ber, &sorted );
                if( rc == -1 ) return rc;
@@ -403,7 +423,7 @@ send_ldap_response(
        int             rc = LDAP_SUCCESS;
        long    bytes;
 
-       if ( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) {
+       if (( rs->sr_err == SLAPD_ABANDON || op->o_abandon ) && !op->o_cancel ) {
                rc = SLAPD_ABANDON;
                goto clean2;
        }
@@ -425,9 +445,13 @@ send_ldap_response(
                ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
        }
 
+       rc = rs->sr_err;
+       if ( rc == SLAPD_ABANDON && op->o_cancel )
+               rc = LDAP_CANCELLED;
+
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_response: msgid=%d tag=%lu err=%d\n",
-               rs->sr_msgid, rs->sr_tag, rs->sr_err );
+               rs->sr_msgid, rs->sr_tag, rc );
 
        if( rs->sr_ref ) {
                Debug( LDAP_DEBUG_ARGS, "send_ldap_response: ref=\"%s\"\n",
@@ -440,7 +464,7 @@ send_ldap_response(
                op->o_protocol == LDAP_VERSION2 )
        {
                rc = ber_printf( ber, "t{ess" /*"}"*/,
-                       rs->sr_tag, rs->sr_err,
+                       rs->sr_tag, rc,
                rs->sr_matched == NULL ? "" : rs->sr_matched,
                rs->sr_text == NULL ? "" : rs->sr_text );
        } else 
@@ -451,7 +475,7 @@ send_ldap_response(
 
        } else {
            rc = ber_printf( ber, "{it{ess" /*"}}"*/,
-               rs->sr_msgid, rs->sr_tag, rs->sr_err,
+               rs->sr_msgid, rs->sr_tag, rc,
                rs->sr_matched == NULL ? "" : rs->sr_matched,
                rs->sr_text == NULL ? "" : rs->sr_text );
        }
@@ -521,7 +545,7 @@ send_ldap_response(
        }
 
        /* send BER */
-       bytes = send_ldap_ber( op->o_conn, ber );
+       bytes = send_ldap_ber( op, ber );
 #ifdef LDAP_CONNECTIONLESS
        if (!op->o_conn || op->o_conn->c_is_udp == 0)
 #endif
@@ -592,6 +616,7 @@ send_ldap_disconnect( Operation     *op, SlapReply *rs )
        assert( LDAP_UNSOLICITED_ERROR( rs->sr_err ) );
 
        rs->sr_type = REP_EXTENDED;
+       rs->sr_rspdata = NULL;
 
        Debug( LDAP_DEBUG_TRACE,
                "send_ldap_disconnect %d:%s\n",
@@ -1232,7 +1257,7 @@ slap_send_search_entry( Operation *op, SlapReply *rs )
        }
 
        if ( op->o_res_ber == NULL ) {
-               bytes = send_ldap_ber( op->o_conn, ber );
+               bytes = send_ldap_ber( op, ber );
                ber_free_buf( ber );
 
                if ( bytes < 0 ) {
@@ -1405,7 +1430,7 @@ slap_send_search_reference( Operation *op, SlapReply *rs )
 #ifdef LDAP_CONNECTIONLESS
        if (!op->o_conn || op->o_conn->c_is_udp == 0) {
 #endif
-       bytes = send_ldap_ber( op->o_conn, ber );
+       bytes = send_ldap_ber( op, ber );
        ber_free_buf( ber );
 
        if ( bytes < 0 ) {
@@ -1645,12 +1670,11 @@ slap_attr_flags( AttributeName *an )
                flags |= ( SLAP_OPATTRS_NO | SLAP_USERATTRS_YES );
 
        } else {
-               flags |= an_find( an, &AllOper )
+               flags |= an_find( an, slap_bv_all_operational_attrs )
                        ? SLAP_OPATTRS_YES : SLAP_OPATTRS_NO;
-               flags |= an_find( an, &AllUser )
+               flags |= an_find( an, slap_bv_all_user_attrs )
                        ? SLAP_USERATTRS_YES : SLAP_USERATTRS_NO;
        }
 
        return flags;
 }
-