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ITS#7182 allow for later monitor subsystem registration

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Some databases might want to register their subsystems under the dn
allocated for them by monitor_register_databas. It requires that the
deferred database registration callback be called *before* the
subsystem's.
This commit is contained in:
Ondrej Kuznik 2012-04-09 17:35:41 +02:00 committed by Howard Chu
parent 7767a41061
commit 838a7f5138
4 changed files with 52 additions and 2 deletions
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4
servers/slapd/back-ldap/monitor.c
View File

@ -994,7 +994,7 @@ ldap_back_monitor_db_open( BackendDB *be )
mss->mss_open = ldap_back_monitor_conn_init;
mss->mss_private = li;
if ( mbe->register_subsys( mss ) )
if ( mbe->register_subsys_late( mss ) )
{
Debug( LDAP_DEBUG_ANY,
"ldap_back_monitor_db_open: "
@ -1009,7 +1009,7 @@ ldap_back_monitor_db_open( BackendDB *be )
mss->mss_open = ldap_back_monitor_ops_init;
mss->mss_private = li;
if ( mbe->register_subsys( mss ) )
if ( mbe->register_subsys_late( mss ) )
{
Debug( LDAP_DEBUG_ANY,
"ldap_back_monitor_db_open: "

1
servers/slapd/back-monitor/back-monitor.h
View File

@ -290,6 +290,7 @@ typedef struct monitor_extra_t {
monitor_subsys_t * (*get_subsys_by_dn)( struct berval *ndn, int sub );
int (*register_subsys)( monitor_subsys_t *ms );
int (*register_subsys_late)( monitor_subsys_t *ms );
int (*register_backend)( BackendInfo *bi );
int (*register_database)( BackendDB *be, struct berval *ndn_out );
int (*register_overlay_info)( slap_overinst *on );

46
servers/slapd/back-monitor/init.c
View File

@ -52,6 +52,7 @@ static const monitor_extra_t monitor_extra = {
monitor_back_get_subsys_by_dn,
monitor_back_register_subsys,
monitor_back_register_subsys_late,
monitor_back_register_backend,
monitor_back_register_database,
monitor_back_register_overlay_info,
@ -283,6 +284,7 @@ enum {
LIMBO_DATABASE,
LIMBO_OVERLAY_INFO,
LIMBO_OVERLAY,
LIMBO_SUBSYS,
LIMBO_LAST
};
@ -310,6 +312,46 @@ monitor_back_is_configured( void )
return be_monitor != NULL;
}
int
monitor_back_register_subsys_late(
monitor_subsys_t *ms )
{
entry_limbo_t **elpp, el = { 0 };
monitor_info_t *mi;
if ( be_monitor == NULL ) {
Debug( LDAP_DEBUG_ANY,
"monitor_back_register_subsys_late: "
"monitor database not configured.\n",
0, 0, 0 );
return -1;
}
/* everyting is ready, can register already */
if ( monitor_subsys_is_opened() ) {
return monitor_back_register_subsys( ms );
}
mi = ( monitor_info_t * )be_monitor->be_private;
el.el_type = LIMBO_SUBSYS;
el.el_mss = ms;
for ( elpp = &mi->mi_entry_limbo;
*elpp;
elpp = &(*elpp)->el_next )
/* go to last */;
*elpp = (entry_limbo_t *)ch_malloc( sizeof( entry_limbo_t ) );
el.el_next = NULL;
**elpp = el;
return 0;
}
int
monitor_back_register_backend(
BackendInfo *bi )
@ -2440,6 +2482,10 @@ monitor_back_db_open(
rc = monitor_back_register_overlay( el->el_be, el->el_on, el->el_ndn );
break;
case LIMBO_SUBSYS:
rc = monitor_back_register_subsys( el->el_mss );
break;
default:
assert( 0 );
}

3
servers/slapd/back-monitor/proto-back-monitor.h
View File

@ -149,6 +149,9 @@ extern int
monitor_back_register_subsys LDAP_P((
monitor_subsys_t *ms ));
extern int
monitor_back_register_subsys_late LDAP_P((
monitor_subsys_t *ms ));
extern int
monitor_back_register_backend LDAP_P((
BackendInfo *bi ));
extern int