1 /* operation.c - routines to deal with pending ldap operations */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2005 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
16 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
17 * All rights reserved.
19 * Redistribution and use in source and binary forms are permitted
20 * provided that this notice is preserved and that due credit is given
21 * to the University of Michigan at Ann Arbor. The name of the University
22 * may not be used to endorse or promote products derived from this
23 * software without specific prior written permission. This software
24 * is provided ``as is'' without express or implied warranty.
31 #include <ac/string.h>
32 #include <ac/socket.h>
37 #include "slapi/slapi.h"
40 static ldap_pvt_thread_mutex_t slap_op_mutex;
41 static LDAP_STAILQ_HEAD(s_o, slap_op) slap_free_ops;
43 void slap_op_init(void)
45 ldap_pvt_thread_mutex_init( &slap_op_mutex );
46 LDAP_STAILQ_INIT(&slap_free_ops);
49 void slap_op_destroy(void)
53 while ( (o = LDAP_STAILQ_FIRST( &slap_free_ops )) != NULL) {
54 LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
55 LDAP_STAILQ_NEXT(o, o_next) = NULL;
58 ldap_pvt_thread_mutex_destroy( &slap_op_mutex );
62 slap_op_free( Operation *op )
64 struct berval slap_empty_bv_dup;
66 assert( LDAP_STAILQ_NEXT(op, o_next) == NULL );
68 if ( op->o_ber != NULL ) {
69 ber_free( op->o_ber, 1 );
71 if ( !BER_BVISNULL( &op->o_dn ) ) {
72 free( op->o_dn.bv_val );
74 if ( !BER_BVISNULL( &op->o_ndn ) ) {
75 free( op->o_ndn.bv_val );
77 if ( !BER_BVISNULL( &op->o_authmech ) ) {
78 free( op->o_authmech.bv_val );
80 if ( op->o_ctrls != NULL ) {
81 slap_free_ctrls( op, op->o_ctrls );
84 #ifdef LDAP_CONNECTIONLESS
85 if ( op->o_res_ber != NULL ) {
86 ber_free( op->o_res_ber, 1 );
91 GroupAssertion *g, *n;
92 for ( g = op->o_groups; g; g = n ) {
94 slap_sl_free( g, op->o_tmpmemctx );
99 #if defined( LDAP_SLAPI )
100 if ( op->o_pb != NULL ) {
101 slapi_pblock_destroy( (Slapi_PBlock *)op->o_pb );
102 slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, op );
104 #endif /* defined( LDAP_SLAPI ) */
107 memset( op, 0, sizeof(Operation) + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) );
108 op->o_hdr = (Opheader *)(op+1);
109 op->o_controls = (void **)(op->o_hdr+1);
111 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
112 LDAP_STAILQ_INSERT_HEAD( &slap_free_ops, op, o_next );
113 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
125 struct berval slap_empty_bv_dup;
127 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
128 if ((op = LDAP_STAILQ_FIRST( &slap_free_ops ))) {
129 LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
131 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
134 op = (Operation *) ch_calloc( 1, sizeof(Operation)
135 + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) );
136 op->o_hdr = (Opheader *)(op + 1);
137 op->o_controls = (void **)(op->o_hdr+1);
144 op->o_time = slap_get_time();
146 op->o_res_ber = NULL;
148 #if defined( LDAP_SLAPI )
149 if ( slapi_plugins_used ) {
150 op->o_pb = slapi_pblock_new();
151 slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
153 #endif /* defined( LDAP_SLAPI ) */