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/* module_init.c - module initialization functions */
/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2022 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
* <http://www.OpenLDAP.org/license.html>.
*/
/* 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 <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "../servers/slapd/slap.h"
#include "../servers/slapd/slap-config.h"
#include "lload.h"
#include "lber_pvt.h"
#include "ldap_rq.h"
ldap_pvt_thread_t lloadd_main_thread;
struct lload_conf_info lload_info;
void *
lload_start_daemon( void *arg )
{
int rc = 0;
daemon_base = event_base_new();
if ( !daemon_base ) {
Debug( LDAP_DEBUG_ANY, "lload_start_daemon: "
"main event base allocation failed\n" );
rc = 1;
goto done;
}
rc = lloadd_daemon( daemon_base );
done:
if ( rc != LDAP_SUCCESS ) {
assert( lloadd_inited == 0 );
checked_lock( &lload_wait_mutex );
ldap_pvt_thread_cond_signal( &lload_wait_cond );
checked_unlock( &lload_wait_mutex );
}
return (void *)(uintptr_t)rc;
}
static int
lload_pause_cb( BackendInfo *bi )
{
if ( daemon_base ) {
lload_pause_server();
}
return 0;
}
static int
lload_unpause_cb( BackendInfo *bi )
{
if ( daemon_base ) {
lload_unpause_server();
}
return 0;
}
int
lload_back_open( BackendInfo *bi )
{
int rc = 0;
if ( slapMode & SLAP_TOOL_MODE ) {
return 0;
}
/* This will fail if we ever try to instantiate more than one lloadd within
* the process */
epoch_init();
if ( lload_tls_init() != 0 ) {
return -1;
}
if ( lload_monitor_open() != 0 ) {
return -1;
}
assert( lloadd_get_listeners() );
checked_lock( &lload_wait_mutex );
rc = ldap_pvt_thread_create( &lloadd_main_thread,
0, lload_start_daemon, NULL );
if ( !rc ) {
ldap_pvt_thread_cond_wait( &lload_wait_cond, &lload_wait_mutex );
if ( lloadd_inited != 1 ) {
ldap_pvt_thread_join( lloadd_main_thread, (void *)NULL );
rc = -1;
}
}
checked_unlock( &lload_wait_mutex );
return rc;
}
int
lload_back_close( BackendInfo *bi )
{
if ( slapMode & SLAP_TOOL_MODE ) {
return 0;
}
assert( lloadd_inited == 1 );
checked_lock( &lload_wait_mutex );
event_base_loopexit( daemon_base, NULL );
ldap_pvt_thread_cond_wait( &lload_wait_cond, &lload_wait_mutex );
checked_unlock( &lload_wait_mutex );
ldap_pvt_thread_join( lloadd_main_thread, (void *)NULL );
return 0;
}
int
lload_back_destroy( BackendInfo *bi )
{
return lload_global_destroy();
}
int
lload_back_initialize( BackendInfo *bi )
{
bi->bi_flags = SLAP_BFLAG_STANDALONE;
bi->bi_open = lload_back_open;
bi->bi_pause = lload_pause_cb;
bi->bi_unpause = lload_unpause_cb;
bi->bi_close = lload_back_close;
bi->bi_destroy = lload_back_destroy;
bi->bi_db_init = 0;
bi->bi_db_config = 0;
bi->bi_db_open = 0;
bi->bi_db_close = 0;
bi->bi_db_destroy = 0;
bi->bi_op_bind = 0;
bi->bi_op_unbind = 0;
bi->bi_op_search = 0;
bi->bi_op_compare = 0;
bi->bi_op_modify = 0;
bi->bi_op_modrdn = 0;
bi->bi_op_add = 0;
bi->bi_op_delete = 0;
bi->bi_op_abandon = 0;
bi->bi_extended = 0;
bi->bi_chk_referrals = 0;
bi->bi_connection_init = 0;
bi->bi_connection_destroy = 0;
if ( lload_global_init() ) {
return -1;
}
bi->bi_private = &lload_info;
return lload_back_init_cf( bi );
}
SLAP_BACKEND_INIT_MODULE( lload )
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