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 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 );
126 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
127 if ((op = LDAP_STAILQ_FIRST( &slap_free_ops ))) {
128 LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
130 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
133 op = (Operation *) ch_calloc( 1, sizeof(Operation)
134 + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) );
135 op->o_hdr = (Opheader *)(op + 1);
136 op->o_controls = (void **)(op->o_hdr+1);
143 op->o_time = slap_get_time();
144 if ( op->o_time == last_time ) {
145 op->o_tincr = ++last_incr;
147 last_time = op->o_time;
148 last_incr = 0; /* o_tincr is alredy zero */
151 op->o_res_ber = NULL;
153 #if defined( LDAP_SLAPI )
154 if ( slapi_plugins_used ) {
155 op->o_pb = slapi_pblock_new();
156 slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
158 #endif /* defined( LDAP_SLAPI ) */