1 /* operation.c - routines to deal with pending ldap operations */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2004 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;
56 ch_free( o->o_controls );
59 ldap_pvt_thread_mutex_destroy( &slap_op_mutex );
63 slap_op_free( Operation *op )
65 struct berval slap_empty_bv_dup;
68 assert( LDAP_STAILQ_NEXT(op, o_next) == NULL );
70 if ( op->o_ber != NULL ) {
71 ber_free( op->o_ber, 1 );
73 if ( op->o_dn.bv_val != NULL ) {
74 free( op->o_dn.bv_val );
76 if ( op->o_ndn.bv_val != NULL ) {
77 free( op->o_ndn.bv_val );
79 if ( op->o_authmech.bv_val != NULL ) {
80 free( op->o_authmech.bv_val );
82 if ( op->o_ctrls != NULL ) {
83 slap_free_ctrls( op, op->o_ctrls );
86 #ifdef LDAP_CONNECTIONLESS
87 if ( op->o_res_ber != NULL ) {
88 ber_free( op->o_res_ber, 1 );
92 slap_sync_cookie_free( &op->o_sync_state, 0 );
95 GroupAssertion *g, *n;
96 for (g = op->o_groups; g; g=n) {
98 slap_sl_free(g, op->o_tmpmemctx);
103 #if defined( LDAP_SLAPI )
104 if ( op->o_pb != NULL ) {
105 slapi_pblock_destroy( (Slapi_PBlock *)op->o_pb );
106 slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, op );
108 #endif /* defined( LDAP_SLAPI ) */
110 if ( op->o_sync_csn.bv_val != NULL ) {
111 ch_free( op->o_sync_csn.bv_val );
114 controls = op->o_controls;
115 memset( controls, 0, sizeof(void *) * SLAP_MAX_CIDS );
116 memset( op, 0, sizeof(Operation) );
117 op->o_controls = controls;
119 op->o_sync_state.sid = -1;
120 op->o_sync_slog_size = -1;
121 op->o_sync_state.rid = -1;
122 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
123 LDAP_STAILQ_INSERT_HEAD( &slap_free_ops, op, o_next );
124 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
136 struct berval slap_empty_bv_dup;
138 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
139 if ((op = LDAP_STAILQ_FIRST( &slap_free_ops ))) {
140 LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
142 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
145 op = (Operation *) ch_calloc( 1, sizeof(Operation) );
146 op->o_controls = (void **) ch_calloc( SLAP_MAX_CIDS, sizeof( void *));
153 op->o_time = slap_get_time();
155 op->o_res_ber = NULL;
157 op->o_sync_state.sid = -1;
158 op->o_sync_slog_size = -1;
159 op->o_sync_state.rid = -1;
160 LDAP_STAILQ_FIRST( &op->o_sync_slog_list ) = NULL;
161 op->o_sync_slog_list.stqh_last = &LDAP_STAILQ_FIRST( &op->o_sync_slog_list );
163 #if defined( LDAP_SLAPI )
164 if ( slapi_plugins_used ) {
165 op->o_pb = slapi_pblock_new();
166 slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
168 #endif /* defined( LDAP_SLAPI ) */