/* operation.c - routines to deal with pending ldap operations */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2011 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
#include "portable.h"
#include "slap.h"
+#ifdef LDAP_SLAPI
+#include "slapi/slapi.h"
+#endif
+
+static ldap_pvt_thread_mutex_t slap_op_mutex;
+static time_t last_time;
+static int last_incr;
+
+void slap_op_init(void)
+{
+ ldap_pvt_thread_mutex_init( &slap_op_mutex );
+}
+
+void slap_op_destroy(void)
+{
+ ldap_pvt_thread_mutex_destroy( &slap_op_mutex );
+}
+
+static void
+slap_op_q_destroy( void *key, void *data )
+{
+ Operation *op, *op2;
+ for ( op = data; op; op = op2 ) {
+ op2 = LDAP_STAILQ_NEXT( op, o_next );
+ ber_memfree_x( op, NULL );
+ }
+}
+
+void
+slap_op_groups_free( Operation *op )
+{
+ GroupAssertion *g, *n;
+ for ( g = op->o_groups; g; g = n ) {
+ n = g->ga_next;
+ slap_sl_free( g, op->o_tmpmemctx );
+ }
+ op->o_groups = NULL;
+}
void
-slap_op_free( Operation *op )
+slap_op_free( Operation *op, void *ctx )
{
- assert( op->o_next == NULL );
+ OperationBuffer *opbuf;
+
+ assert( LDAP_STAILQ_NEXT(op, o_next) == NULL );
if ( op->o_ber != NULL ) {
ber_free( op->o_ber, 1 );
}
- if ( op->o_dn != NULL ) {
- free( op->o_dn );
+ if ( !BER_BVISNULL( &op->o_dn ) ) {
+ ch_free( op->o_dn.bv_val );
+ }
+ if ( !BER_BVISNULL( &op->o_ndn ) ) {
+ ch_free( op->o_ndn.bv_val );
+ }
+ if ( !BER_BVISNULL( &op->o_authmech ) ) {
+ ch_free( op->o_authmech.bv_val );
+ }
+ if ( op->o_ctrls != NULL ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ }
+
+#ifdef LDAP_CONNECTIONLESS
+ if ( op->o_res_ber != NULL ) {
+ ber_free( op->o_res_ber, 1 );
+ }
+#endif
+
+ if ( op->o_groups ) {
+ slap_op_groups_free( op );
}
- if ( op->o_ndn != NULL ) {
- free( op->o_ndn );
+
+#if defined( LDAP_SLAPI )
+ if ( slapi_plugins_used ) {
+ slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, op );
}
+#endif /* defined( LDAP_SLAPI ) */
- ldap_pvt_thread_mutex_destroy( &op->o_abandonmutex );
+ if ( !BER_BVISNULL( &op->o_csn ) ) {
+ op->o_tmpfree( op->o_csn.bv_val, op->o_tmpmemctx );
+ BER_BVZERO( &op->o_csn );
+ }
+
+ if ( op->o_pagedresults_state != NULL ) {
+ op->o_tmpfree( op->o_pagedresults_state, op->o_tmpmemctx );
+ op->o_pagedresults_state = NULL;
+ }
- free( (char *) op );
+ opbuf = (OperationBuffer *) op;
+ memset( opbuf, 0, sizeof(*opbuf) );
+ op->o_hdr = &opbuf->ob_hdr;
+ op->o_controls = opbuf->ob_controls;
+
+ if ( ctx ) {
+ Operation *op2 = NULL;
+ ldap_pvt_thread_pool_setkey( ctx, (void *)slap_op_free,
+ op, slap_op_q_destroy, &op2, NULL );
+ LDAP_STAILQ_NEXT( op, o_next ) = op2;
+ if ( op2 ) {
+ op->o_tincr = op2->o_tincr + 1;
+ /* No more than 10 ops on per-thread free list */
+ if ( op->o_tincr > 10 ) {
+ ldap_pvt_thread_pool_setkey( ctx, (void *)slap_op_free,
+ op2, slap_op_q_destroy, NULL, NULL );
+ ber_memfree_x( op, NULL );
+ }
+ } else {
+ op->o_tincr = 1;
+ }
+ } else {
+ ber_memfree_x( op, NULL );
+ }
+}
+
+void
+slap_op_time(time_t *t, int *nop)
+{
+ ldap_pvt_thread_mutex_lock( &slap_op_mutex );
+ *t = slap_get_time();
+ if ( *t == last_time ) {
+ *nop = ++last_incr;
+ } else {
+ last_time = *t;
+ last_incr = 0;
+ *nop = 0;
+ }
+ ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
}
Operation *
slap_op_alloc(
BerElement *ber,
- unsigned long msgid,
- unsigned long tag,
- long id
-)
+ ber_int_t msgid,
+ ber_tag_t tag,
+ ber_int_t id,
+ void *ctx )
{
- Operation *op;
-
- op = (Operation *) ch_calloc( 1, sizeof(Operation) );
-
- ldap_pvt_thread_mutex_init( &op->o_abandonmutex );
- op->o_abandon = 0;
+ Operation *op = NULL;
+
+ if ( ctx ) {
+ void *otmp = NULL;
+ ldap_pvt_thread_pool_getkey( ctx, (void *)slap_op_free, &otmp, NULL );
+ if ( otmp ) {
+ op = otmp;
+ otmp = LDAP_STAILQ_NEXT( op, o_next );
+ ldap_pvt_thread_pool_setkey( ctx, (void *)slap_op_free,
+ otmp, slap_op_q_destroy, NULL, NULL );
+ }
+ }
+ if (!op) {
+ op = (Operation *) ch_calloc( 1, sizeof(OperationBuffer) );
+ op->o_hdr = &((OperationBuffer *) op)->ob_hdr;
+ op->o_controls = ((OperationBuffer *) op)->ob_controls;
+ }
op->o_ber = ber;
op->o_msgid = msgid;
op->o_tag = tag;
- op->o_dn = NULL;
- op->o_ndn = NULL;
-
- op->o_time = slap_get_time();
+ slap_op_time( &op->o_time, &op->o_tincr );
op->o_opid = id;
- op->o_next = NULL;
-
- return( op );
-}
+ op->o_res_ber = NULL;
-int slap_op_add(
- Operation **olist,
- Operation *op
-)
-{
- Operation **tmp;
-
- for ( tmp = olist; *tmp != NULL; tmp = &(*tmp)->o_next )
- ; /* NULL */
-
- *tmp = op;
-
- return 0;
-}
-
-int
-slap_op_remove( Operation **olist, Operation *op )
-{
- Operation **tmp;
-
- for ( tmp = olist; *tmp != NULL && *tmp != op; tmp = &(*tmp)->o_next )
- ; /* NULL */
-
- if ( *tmp == NULL ) {
- Debug( LDAP_DEBUG_ANY, "op_delete: can't find op %ld\n",
- op->o_msgid, 0, 0 );
- return -1;
+#if defined( LDAP_SLAPI )
+ if ( slapi_plugins_used ) {
+ slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
}
+#endif /* defined( LDAP_SLAPI ) */
- *tmp = (*tmp)->o_next;
- op->o_next = NULL;
-
- return 0;
+ return( op );
}
-Operation * slap_op_pop( Operation **olist )
+slap_op_t
+slap_req2op( ber_tag_t tag )
{
- Operation *tmp = *olist;
-
- if(tmp != NULL) {
- *olist = tmp->o_next;
- tmp->o_next = NULL;
+ switch ( tag ) {
+ case LDAP_REQ_BIND:
+ return SLAP_OP_BIND;
+ case LDAP_REQ_UNBIND:
+ return SLAP_OP_UNBIND;
+ case LDAP_REQ_ADD:
+ return SLAP_OP_ADD;
+ case LDAP_REQ_DELETE:
+ return SLAP_OP_DELETE;
+ case LDAP_REQ_MODRDN:
+ return SLAP_OP_MODRDN;
+ case LDAP_REQ_MODIFY:
+ return SLAP_OP_MODIFY;
+ case LDAP_REQ_COMPARE:
+ return SLAP_OP_COMPARE;
+ case LDAP_REQ_SEARCH:
+ return SLAP_OP_SEARCH;
+ case LDAP_REQ_ABANDON:
+ return SLAP_OP_ABANDON;
+ case LDAP_REQ_EXTENDED:
+ return SLAP_OP_EXTENDED;
}
- return tmp;
+ return SLAP_OP_LAST;
}
-
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