/* operation.c - routines to deal with pending ldap operations */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2007 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"
-extern time_t currenttime;
-extern pthread_mutex_t currenttime_mutex;
+#ifdef LDAP_SLAPI
+#include "slapi/slapi.h"
+#endif
+
+static ldap_pvt_thread_mutex_t slap_op_mutex;
+static LDAP_STAILQ_HEAD(s_o, Operation) slap_free_ops;
+static time_t last_time;
+static int last_incr;
+
+void slap_op_init(void)
+{
+ ldap_pvt_thread_mutex_init( &slap_op_mutex );
+ LDAP_STAILQ_INIT(&slap_free_ops);
+}
+
+void slap_op_destroy(void)
+{
+ Operation *o;
+
+ while ( (o = LDAP_STAILQ_FIRST( &slap_free_ops )) != NULL) {
+ LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
+ LDAP_STAILQ_NEXT(o, o_next) = NULL;
+ ch_free( o );
+ }
+ ldap_pvt_thread_mutex_destroy( &slap_op_mutex );
+}
void
-op_free( Operation *op )
+slap_op_groups_free( Operation *op )
{
- if ( op->o_ber != NULL )
- ber_free( op->o_ber, 1 );
- if ( op->o_dn != NULL ) {
- free( op->o_dn );
+ GroupAssertion *g, *n;
+ for ( g = op->o_groups; g; g = n ) {
+ n = g->ga_next;
+ slap_sl_free( g, op->o_tmpmemctx );
}
- /* pthread_mutex_destroy( &op->o_abandonmutex ); */
- free( (char *) op );
+ op->o_groups = NULL;
}
-Operation *
-op_add(
- Operation **olist,
- BerElement *ber,
- unsigned long msgid,
- unsigned long tag,
- char *dn,
- int id,
- int connid
-)
+void
+slap_op_free( Operation *op )
{
- Operation **tmp;
-
- for ( tmp = olist; *tmp != NULL; tmp = &(*tmp)->o_next )
- ; /* NULL */
-
- *tmp = (Operation *) calloc( 1, sizeof(Operation) );
- pthread_mutex_init( &(*tmp)->o_abandonmutex,
- pthread_mutexattr_default );
- (*tmp)->o_ber = ber;
- (*tmp)->o_msgid = msgid;
- (*tmp)->o_tag = tag;
- (*tmp)->o_abandon = 0;
- (*tmp)->o_dn = strdup( dn != NULL ? dn : "" );
- pthread_mutex_lock( ¤ttime_mutex );
- (*tmp)->o_time = currenttime;
- pthread_mutex_unlock( ¤ttime_mutex );
- (*tmp)->o_opid = id;
- (*tmp)->o_connid = connid;
- (*tmp)->o_next = NULL;
-
- return( *tmp );
+ OperationBuffer *opbuf;
+
+ assert( LDAP_STAILQ_NEXT(op, o_next) == NULL );
+
+ if ( op->o_ber != NULL ) {
+ ber_free( op->o_ber, 1 );
+ }
+ 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 defined( LDAP_SLAPI )
+ if ( slapi_plugins_used ) {
+ slapi_int_free_object_extensions( SLAPI_X_EXT_OPERATION, op );
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
+
+ opbuf = (OperationBuffer *) op;
+ memset( opbuf, 0, sizeof(*opbuf) );
+ op->o_hdr = &opbuf->ob_hdr;
+ op->o_controls = opbuf->ob_controls;
+
+ ldap_pvt_thread_mutex_lock( &slap_op_mutex );
+ LDAP_STAILQ_INSERT_HEAD( &slap_free_ops, op, o_next );
+ ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
}
void
-op_delete( Operation **olist, Operation *op )
+slap_op_time(time_t *t, int *nop)
{
- Operation **tmp;
+ *t = slap_get_time();
+ ldap_pvt_thread_mutex_lock( &slap_op_mutex );
+ if ( *t == last_time ) {
+ *nop = ++last_incr;
+ } else {
+ last_time = *t;
+ last_incr = 0;
+ *nop = 0;
+ }
+ ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
+}
- for ( tmp = olist; *tmp != NULL && *tmp != op; tmp = &(*tmp)->o_next )
- ; /* NULL */
+Operation *
+slap_op_alloc(
+ BerElement *ber,
+ ber_int_t msgid,
+ ber_tag_t tag,
+ ber_int_t id )
+{
+ Operation *op;
- if ( *tmp == NULL ) {
- Debug( LDAP_DEBUG_ANY, "op_delete: can't find op %d\n",
- op->o_msgid, 0, 0 );
- return;
+ ldap_pvt_thread_mutex_lock( &slap_op_mutex );
+ if ((op = LDAP_STAILQ_FIRST( &slap_free_ops ))) {
+ LDAP_STAILQ_REMOVE_HEAD( &slap_free_ops, o_next );
+ }
+ ldap_pvt_thread_mutex_unlock( &slap_op_mutex );
+
+ 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;
+
+ slap_op_time( &op->o_time, &op->o_tincr );
+ op->o_opid = id;
+ op->o_res_ber = NULL;
+
+#if defined( LDAP_SLAPI )
+ if ( slapi_plugins_used ) {
+ slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op );
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
+ return( op );
+}
+
+slap_op_t
+slap_req2op( ber_tag_t tag )
+{
+ 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;
}
- *tmp = (*tmp)->o_next;
- op_free( op );
+ return SLAP_OP_LAST;
}
projects / openldap / blobdiff