X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Foperation.c;h=b6a4ae0e54c969a0584b87fcfd85db5d3a2f189a;hb=46fab059977aed107f53c96ced0f35cfff8c7836;hp=0c62e219ece0041aede5f999440faa54f87664e2;hpb=42e0d83cb3a1a1c5b25183f1ab74ce7edbe25de7;p=openldap diff --git a/servers/slapd/operation.c b/servers/slapd/operation.c index 0c62e219ec..b6a4ae0e54 100644 --- a/servers/slapd/operation.c +++ b/servers/slapd/operation.c @@ -1,74 +1,164 @@ /* operation.c - routines to deal with pending ldap operations */ +/* $OpenLDAP$ */ +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2005 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 + +#include +#include + #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, 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 -op_free( Operation *op ) +slap_op_free( Operation *op ) { - if ( op->o_ber != NULL ) + struct berval slap_empty_bv_dup; + + 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 ); } - /* pthread_mutex_destroy( &op->o_abandonmutex ); */ - free( (char *) op ); + if ( !BER_BVISNULL( &op->o_dn ) ) { + free( op->o_dn.bv_val ); + } + if ( !BER_BVISNULL( &op->o_ndn ) ) { + free( op->o_ndn.bv_val ); + } + if ( !BER_BVISNULL( &op->o_authmech ) ) { + 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 + + { + 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; + } + +#if defined( LDAP_SLAPI ) + if ( op->o_pb != NULL ) { + slapi_pblock_destroy( (Slapi_PBlock *)op->o_pb ); + 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 ); } Operation * -op_add( - Operation **olist, +slap_op_alloc( BerElement *ber, - unsigned long msgid, - unsigned long tag, - char *dn, - int id, - int connid + ber_int_t msgid, + ber_tag_t tag, + ber_int_t id ) { - 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 ); -} + Operation *op; + struct berval slap_empty_bv_dup; -void -op_delete( Operation **olist, Operation *op ) -{ - Operation **tmp; + 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 ); - for ( tmp = olist; *tmp != NULL && *tmp != op; tmp = &(*tmp)->o_next ) - ; /* NULL */ + 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; + + op->o_time = slap_get_time(); + if ( op->o_time == last_time ) { + op->o_tincr = ++last_incr; + } else { + last_time = op->o_time; + last_incr = 0; /* o_tincr is alredy zero */ + } + op->o_opid = id; + op->o_res_ber = NULL; - if ( *tmp == NULL ) { - Debug( LDAP_DEBUG_ANY, "op_delete: can't find op %d\n", - op->o_msgid, 0, 0 ); - return; +#if defined( LDAP_SLAPI ) + if ( slapi_plugins_used ) { + op->o_pb = slapi_pblock_new(); + slapi_int_create_object_extensions( SLAPI_X_EXT_OPERATION, op ); } +#endif /* defined( LDAP_SLAPI ) */ - *tmp = (*tmp)->o_next; - op_free( op ); + return( op ); }