/* operation.c - routines to deal with pending ldap operations */ /* $OpenLDAP: pkg/ldap/servers/slapd/operation.c,v 1.63.2.9 2007/01/02 21:43:57 kurt Exp $ */ /* This work is part of OpenLDAP Software . * * 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 * . */ /* 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 #include #include #include "slap.h" #ifdef LDAP_SLAPI #include "slapi/slapi.h" #endif static ldap_pvt_thread_mutex_t slap_op_mutex; static LDAP_STAILQ_HEAD(s_o, slap_op) 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 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 ) { 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 ) */ memset( op, 0, sizeof(Operation) + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) ); op->o_hdr = (Opheader *)(op+1); op->o_controls = (void **)(op->o_hdr+1); 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 slap_op_time(time_t *t, int *nop) { *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 ); } Operation * slap_op_alloc( BerElement *ber, ber_int_t msgid, ber_tag_t tag, ber_int_t id ) { Operation *op; 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(Operation) + sizeof(Opheader) + SLAP_MAX_CIDS * sizeof(void *) ); op->o_hdr = (Opheader *)(op + 1); op->o_controls = (void **)(op->o_hdr+1); } 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; } return SLAP_OP_LAST; }