389-ds-base/ldap/servers/plugins/chainingdb/cb_start.c

/** BEGIN COPYRIGHT BLOCK
 * Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
 * Copyright (C) 2005 Red Hat, Inc.
 * All rights reserved.
 *
 * License: GPL (version 3 or any later version).
 * See LICENSE for details. 
 * END COPYRIGHT BLOCK **/

#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "cb.h"

int 
chainingdb_start ( Slapi_PBlock *pb ) {

	cb_backend 		* cb;

  	slapi_pblock_get( pb, SLAPI_PLUGIN_PRIVATE, &cb );

	if (cb->started) {
		/* We may be called multiple times due to */
		/* plugin dependency resolution           */
		return 0;
	}

	/*
	** Reads in any configuration information held in the dse for the
	** chaining plugin. Create dse entries used to configure the 
	** chaining plugin if they don't exist. Registers plugins to maintain 
	** those dse entries.
	*/

	cb_config_load_dse_info(pb);

	/* Register new LDAPv3 controls supported by the chaining backend */

	slapi_register_supported_control( CB_LDAP_CONTROL_CHAIN_SERVER,
            SLAPI_OPERATION_SEARCH | SLAPI_OPERATION_COMPARE
            | SLAPI_OPERATION_ADD | SLAPI_OPERATION_DELETE
            | SLAPI_OPERATION_MODIFY | SLAPI_OPERATION_MODDN );

	/* register to be notified when backend state changes */
	slapi_register_backend_state_change((void *)cb_be_state_change, 
										cb_be_state_change);

	cb->started=1;
	return 0;
}