1 /* operation.c - routines to deal with pending ldap operations */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2007 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_groups_free( Operation *op )
66 GroupAssertion *g, *n;
67 for ( g = op->o_groups; g; g = n ) {
69 slap_sl_free( g, op->o_tmpmemctx );
75 slap_op_free( Operation *op )
77 assert( LDAP_STAILQ_NEXT(op, o_next) == NULL );
79 if ( op->o_ber != NULL ) {
80 ber_free( op->o_ber, 1 );
82 if ( !BER_BVISNULL( &op->o_dn ) ) {
83 ch_free( op->o_dn.bv_val );
85 if ( !BER_BVISNULL( &op->o_ndn ) ) {
86 ch_free( op->o_ndn.bv_val );
88 if ( !BER_BVISNULL( &op->o_authmech ) ) {
89 ch_free( op->o_authmech.bv_val );
91 if ( op->o_ctrls != NULL ) {
92 slap_free_ctrls( op, op->o_ctrls );
95 #ifdef LDAP_CONNECTIONLESS
96 if ( op->o_res_ber != NULL ) {
97 ber_free( op->o_res_ber, 1 );
101 if ( op->o_groups ) {
102 slap_op_groups_free( op );
105 #if defined( LDAP_SLAPI )
106 if ( slapi_plugins_used ) {
107 slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, op );
109 #endif /* defined( LDAP_SLAPI ) */
112 memset( op, 0, sizeof(Operation) + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) );
113 op->o_hdr = (Opheader *)(op+1);
114 op->o_controls = (void **)(op->o_hdr+1);
116 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
117 LDAP_STAILQ_INSERT_HEAD( &slap_free_ops, op, o_next );
118 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
122 slap_op_time(time_t *t, int *nop)
124 *t = slap_get_time();
125 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
126 if ( *t == last_time ) {
133 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
145 ldap_pvt_thread_mutex_lock( &slap_op_mutex );
146 if ((op = LDAP_STAILQ_FIRST( &slap_free_ops ))) {
147 LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
149 ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
152 op = (Operation *) ch_calloc( 1, sizeof(Operation)
153 + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) );
154 op->o_hdr = (Opheader *)(op + 1);
155 op->o_controls = (void **)(op->o_hdr+1);
162 slap_op_time( &op->o_time, &op->o_tincr );
164 op->o_res_ber = NULL;
166 #if defined( LDAP_SLAPI )
167 if ( slapi_plugins_used ) {
168 slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
170 #endif /* defined( LDAP_SLAPI ) */
176 slap_req2op( ber_tag_t tag )
181 case LDAP_REQ_UNBIND:
182 return SLAP_OP_UNBIND;
185 case LDAP_REQ_DELETE:
186 return SLAP_OP_DELETE;
187 case LDAP_REQ_MODRDN:
188 return SLAP_OP_MODRDN;
189 case LDAP_REQ_MODIFY:
190 return SLAP_OP_MODIFY;
191 case LDAP_REQ_COMPARE:
192 return SLAP_OP_COMPARE;
193 case LDAP_REQ_SEARCH:
194 return SLAP_OP_SEARCH;
195 case LDAP_REQ_ABANDON:
196 return SLAP_OP_ABANDON;
197 case LDAP_REQ_EXTENDED:
198 return SLAP_OP_EXTENDED;