/*
   Unix SMB/CIFS implementation.
   Implementation of a reliable server_exists()
   Copyright (C) Volker Lendecke 2010

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef __SERVERID_H__
#define __SERVERID_H__

#include "replace.h"
#include "lib/dbwrap/dbwrap.h"
#include "librpc/gen_ndr/server_id.h"

/* Flags to classify messages - used in message_send_all() */
/* Sender will filter by flag. */

#define FLAG_MSG_GENERAL		0x0001
#define FLAG_MSG_SMBD			0x0002
#define FLAG_MSG_NMBD			0x0004
#define FLAG_MSG_WINBIND		0x0008
#define FLAG_MSG_PRINT_GENERAL		0x0010
/* dbwrap messages 4001-4999 */
#define FLAG_MSG_DBWRAP			0x0020

/*
 * Register a server with its unique id
 */
bool serverid_register(const struct server_id id, uint32_t msg_flags);

/*
 * De-register a server with its unique id
 */
bool serverid_deregister(const struct server_id id);

/*
 * Check existence of a server id
 */
bool serverid_exists(const struct server_id *id);

/*
 * Walk the list of server_ids registered
 */
bool serverid_traverse(int (*fn)(struct db_record *rec,
				 const struct server_id *id,
				 uint32_t msg_flags,
				 void *private_data),
		       void *private_data);

/*
 * Walk the list of server_ids registered read-only
 */
bool serverid_traverse_read(int (*fn)(const struct server_id *id,
				      uint32_t msg_flags,
				      void *private_data),
			    void *private_data);
/*
 * Ensure CLEAR_IF_FIRST works fine, to be called from the parent smbd
 */
bool serverid_parent_init(TALLOC_CTX *mem_ctx);

struct messaging_context;

bool message_send_all(struct messaging_context *msg_ctx,
		      int msg_type,
		      const void *buf, size_t len,
		      int *n_sent);

#endif