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;
42 static time_t last_time;
45 void slap_op_init(void)
47 ldap_pvt_thread_mutex_init( &slap_op_mutex );
48 LDAP_STAILQ_INIT(&slap_free_ops);
51 void slap_op_destroy(void)
55 while ( (o = LDAP_STAILQ_FIRST( &slap_free_ops )) != NULL) {
56 LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
57 LDAP_STAILQ_NEXT(o, o_next) = NULL;
60 ldap_pvt_thread_mutex_destroy( &slap_op_mutex );
64 slap_op_free( Operation *op )
66 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 ( !BER_BVISNULL( &op->o_dn ) ) {
74 free( op->o_dn.bv_val );
76 if ( !BER_BVISNULL( &op->o_ndn ) ) {
77 free( op->o_ndn.bv_val );
79 if ( !BER_BVISNULL( &op->o_authmech ) ) {
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 );
93 GroupAssertion *g, *n;
94 for ( g = op->o_groups; g; g = n ) {
96 slap_sl_free( g, op->o_tmpmemctx );
101 #if defined( LDAP_SLAPI )
102 if ( op->o_pb != NULL ) {
103 slapi_pblock_destroy( (Slapi_PBlock *)op->o_pb );
104 slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, op );
106 #endif /* defined( LDAP_SLAPI ) */
109 memset( op, 0, sizeof(Operation) + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) );
110 op->o_hdr = (Opheader *)(op+1);
111 op->o_controls = (void **)(op->o_hdr+1);
113 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
114 LDAP_STAILQ_INSERT_HEAD( &slap_free_ops, op, o_next );
115 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
127 struct berval slap_empty_bv_dup;
129 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
130 if ((op = LDAP_STAILQ_FIRST( &slap_free_ops ))) {
131 LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
133 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
136 op = (Operation *) ch_calloc( 1, sizeof(Operation)
137 + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) );
138 op->o_hdr = (Opheader *)(op + 1);
139 op->o_controls = (void **)(op->o_hdr+1);
146 op->o_time = slap_get_time();
147 if ( op->o_time == last_time ) {
148 op->o_tincr = ++last_incr;
150 last_time = op->o_time;
151 last_incr = 0; /* o_tincr is alredy zero */
154 op->o_res_ber = NULL;
156 #if defined( LDAP_SLAPI )
157 if ( slapi_plugins_used ) {
158 op->o_pb = slapi_pblock_new();
159 slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
161 #endif /* defined( LDAP_SLAPI ) */