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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ckdbm.h"
static void
nss_dbm_mdFindObjects_Final
(
NSSCKMDFindObjects *mdFindObjects,
NSSCKFWFindObjects *fwFindObjects,
NSSCKMDSession *mdSession,
NSSCKFWSession *fwSession,
NSSCKMDToken *mdToken,
NSSCKFWToken *fwToken,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance
)
{
nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
/* Locks might have system resources associated */
(void)NSSCKFWMutex_Destroy(find->list_lock);
(void)NSSArena_Destroy(find->arena);
}
static NSSCKMDObject *
nss_dbm_mdFindObjects_Next
(
NSSCKMDFindObjects *mdFindObjects,
NSSCKFWFindObjects *fwFindObjects,
NSSCKMDSession *mdSession,
NSSCKFWSession *fwSession,
NSSCKMDToken *mdToken,
NSSCKFWToken *fwToken,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance,
NSSArena *arena,
CK_RV *pError
)
{
nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
struct nss_dbm_dbt_node *node;
nss_dbm_object_t *object;
NSSCKMDObject *rv;
while(1) {
/* Lock */
{
*pError = NSSCKFWMutex_Lock(find->list_lock);
if( CKR_OK != *pError ) {
return (NSSCKMDObject *)NULL;
}
node = find->found;
if( (struct nss_dbm_dbt_node *)NULL != node ) {
find->found = node->next;
}
*pError = NSSCKFWMutex_Unlock(find->list_lock);
if( CKR_OK != *pError ) {
/* screwed now */
return (NSSCKMDObject *)NULL;
}
}
if( (struct nss_dbm_dbt_node *)NULL == node ) {
break;
}
if( nss_dbm_db_object_still_exists(node->dbt) ) {
break;
}
}
if( (struct nss_dbm_dbt_node *)NULL == node ) {
*pError = CKR_OK;
return (NSSCKMDObject *)NULL;
}
object = nss_ZNEW(arena, nss_dbm_object_t);
if( (nss_dbm_object_t *)NULL == object ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
object->arena = arena;
object->handle = nss_ZNEW(arena, nss_dbm_dbt_t);
if( (nss_dbm_dbt_t *)NULL == object->handle ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
object->handle->my_db = node->dbt->my_db;
object->handle->dbt.size = node->dbt->dbt.size;
object->handle->dbt.data = nss_ZAlloc(arena, node->dbt->dbt.size);
if( (void *)NULL == object->handle->dbt.data ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
(void)memcpy(object->handle->dbt.data, node->dbt->dbt.data, node->dbt->dbt.size);
rv = nss_dbm_mdObject_factory(object, pError);
if( (NSSCKMDObject *)NULL == rv ) {
return (NSSCKMDObject *)NULL;
}
return rv;
}
NSS_IMPLEMENT NSSCKMDFindObjects *
nss_dbm_mdFindObjects_factory
(
nss_dbm_find_t *find,
CK_RV *pError
)
{
NSSCKMDFindObjects *rv;
rv = nss_ZNEW(find->arena, NSSCKMDFindObjects);
if( (NSSCKMDFindObjects *)NULL == rv ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDFindObjects *)NULL;
}
rv->etc = (void *)find;
rv->Final = nss_dbm_mdFindObjects_Final;
rv->Next = nss_dbm_mdFindObjects_Next;
return rv;
}
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