/*
* Inits the info
*/
struct rewrite_info *
rewrite_info_init(
int mode
)
{
struct rewrite_info *info;
struct rewrite_context *context;
switch ( mode ) {
case REWRITE_MODE_ERR:
case REWRITE_MODE_OK:
case REWRITE_MODE_COPY_INPUT:
case REWRITE_MODE_USE_DEFAULT:
break;
default:
mode = REWRITE_MODE_USE_DEFAULT;
break;
/* return NULL */
}
/*
* Resets the running context for parsing ...
*/
rewrite_int_curr_context = NULL;
info = calloc( sizeof( struct rewrite_info ), 1 );
if ( info == NULL ) {
return NULL;
}
info->li_state = REWRITE_DEFAULT;
info->li_max_passes = REWRITE_MAX_PASSES;
info->li_max_passes_per_rule = REWRITE_MAX_PASSES;
info->li_rewrite_mode = mode;
/*
* Add the default (empty) rule
*/
context = rewrite_context_create( info, REWRITE_DEFAULT_CONTEXT );
if ( context == NULL ) {
free( info );
return NULL;
}
#ifdef USE_REWRITE_LDAP_PVT_THREADS
if ( ldap_pvt_thread_rdwr_init( &info->li_cookies_mutex ) ) {
avl_free( info->li_context, rewrite_context_free );
free( info );
return NULL;
}
if ( ldap_pvt_thread_rdwr_init( &info->li_params_mutex ) ) {
ldap_pvt_thread_rdwr_destroy( &info->li_cookies_mutex );
avl_free( info->li_context, rewrite_context_free );
free( info );
return NULL;
}
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
return info;
}
static int
ndb_db_init( BackendDB *be, ConfigReply *cr )
{
struct ndb_info *ni;
int rc = 0;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(ndb_db_init) ": Initializing ndb database\n",
0, 0, 0 );
/* allocate backend-database-specific stuff */
ni = (struct ndb_info *) ch_calloc( 1, sizeof(struct ndb_info) );
be->be_private = ni;
be->be_cf_ocs = be->bd_info->bi_cf_ocs;
ni->ni_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
ldap_pvt_thread_rdwr_init( &ni->ni_ai_rwlock );
ldap_pvt_thread_rdwr_init( &ni->ni_oc_rwlock );
ldap_pvt_thread_mutex_init( &ni->ni_conn_mutex );
#ifdef DO_MONITORING
rc = ndb_monitor_db_init( be );
#endif
return rc;
}
static int
bdb_db_init( BackendDB *be, ConfigReply *cr )
{
struct bdb_info *bdb;
int rc;
Debug( LDAP_DEBUG_TRACE,
LDAP_XSTRING(bdb_db_init) ": Initializing " BDB_UCTYPE " database\n",
0, 0, 0 );
/* allocate backend-database-specific stuff */
bdb = (struct bdb_info *) ch_calloc( 1, sizeof(struct bdb_info) );
/* DBEnv parameters */
bdb->bi_dbenv_home = ch_strdup( SLAPD_DEFAULT_DB_DIR );
bdb->bi_dbenv_xflags = DB_TIME_NOTGRANTED;
bdb->bi_dbenv_mode = SLAPD_DEFAULT_DB_MODE;
bdb->bi_cache.c_maxsize = DEFAULT_CACHE_SIZE;
bdb->bi_cache.c_minfree = 1;
bdb->bi_lock_detect = DB_LOCK_DEFAULT;
bdb->bi_search_stack_depth = DEFAULT_SEARCH_STACK_DEPTH;
bdb->bi_search_stack = NULL;
ldap_pvt_thread_mutex_init( &bdb->bi_database_mutex );
ldap_pvt_thread_mutex_init( &bdb->bi_lastid_mutex );
#ifdef BDB_HIER
ldap_pvt_thread_mutex_init( &bdb->bi_modrdns_mutex );
#endif
ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_lru_mutex );
ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_count_mutex );
ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_eifree_mutex );
ldap_pvt_thread_mutex_init( &bdb->bi_cache.c_dntree.bei_kids_mutex );
ldap_pvt_thread_rdwr_init ( &bdb->bi_cache.c_rwlock );
ldap_pvt_thread_rdwr_init( &bdb->bi_idl_tree_rwlock );
ldap_pvt_thread_mutex_init( &bdb->bi_idl_tree_lrulock );
be->be_private = bdb;
be->be_cf_ocs = be->bd_info->bi_cf_ocs;
#ifndef BDB_MULTIPLE_SUFFIXES
SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_ONE_SUFFIX;
#endif
rc = bdb_monitor_db_init( be );
return rc;
}
/* This function adds a node into the main AVL tree */
idNode *bdb_add_node(
ID id,
char *d,
struct bdb_info *bdb
)
{
idNode *node;
node = (idNode *)ch_malloc(sizeof(idNode));
node->i_id = id;
node->i_parent = NULL;
node->i_kids = NULL;
node->i_rdn = (diskNode *)d;
node->i_rdn->rdn.bv_val += (long)d;
node->i_rdn->nrdn.bv_val += (long)d;
ldap_pvt_thread_rdwr_init(&node->i_kids_rdwr);
avl_insert( &bdb->bi_tree, (caddr_t) node, node_add_cmp, avl_dup_error );
if (id == 1)
bdb->bi_troot = node;
return node;
}
/*
* Inits a session
*/
struct rewrite_session *
rewrite_session_init(
struct rewrite_info *info,
const void *cookie
)
{
struct rewrite_session *session, tmp;
int rc;
assert( info != NULL );
assert( cookie != NULL );
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wlock( &info->li_cookies_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
tmp.ls_cookie = ( void * )cookie;
session = ( struct rewrite_session * )avl_find( info->li_cookies,
( caddr_t )&tmp, rewrite_cookie_cmp );
if ( session ) {
session->ls_count++;
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wunlock( &info->li_cookies_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
return session;
}
session = calloc( sizeof( struct rewrite_session ), 1 );
if ( session == NULL ) {
return NULL;
}
session->ls_cookie = ( void * )cookie;
session->ls_count = 1;
#ifdef USE_REWRITE_LDAP_PVT_THREADS
if ( ldap_pvt_thread_mutex_init( &session->ls_mutex ) ) {
free( session );
return NULL;
}
if ( ldap_pvt_thread_rdwr_init( &session->ls_vars_mutex ) ) {
ldap_pvt_thread_mutex_destroy( &session->ls_mutex );
free( session );
return NULL;
}
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
rc = avl_insert( &info->li_cookies, ( caddr_t )session,
rewrite_cookie_cmp, rewrite_cookie_dup );
info->li_num_cookies++;
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_wunlock( &info->li_cookies_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
if ( rc != 0 ) {
#ifdef USE_REWRITE_LDAP_PVT_THREADS
ldap_pvt_thread_rdwr_destroy( &session->ls_vars_mutex );
ldap_pvt_thread_mutex_destroy( &session->ls_mutex );
#endif /* USE_REWRITE_LDAP_PVT_THREADS */
free( session );
return NULL;
}
return session;
}
static int
bdb_cache_entry_rdwr_init(Entry *e)
{
return ldap_pvt_thread_rdwr_init( &BEI(e)->bei_rdwr );
}
