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/*
* Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of the device-mapper userspace tools.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __DMEVENTD_DOT_H__
#define __DMEVENTD_DOT_H__
/* FIXME This stuff must be configurable. */
#define DM_EVENT_FIFO_CLIENT DEFAULT_DM_RUN_DIR "/dmeventd-client"
#define DM_EVENT_FIFO_SERVER DEFAULT_DM_RUN_DIR "/dmeventd-server"
#define DM_EVENT_DEFAULT_TIMEOUT 10
/* Commands for the daemon passed in the message below. */
enum dm_event_command {
DM_EVENT_CMD_ACTIVE = 1,
DM_EVENT_CMD_REGISTER_FOR_EVENT,
DM_EVENT_CMD_UNREGISTER_FOR_EVENT,
DM_EVENT_CMD_GET_REGISTERED_DEVICE,
DM_EVENT_CMD_GET_NEXT_REGISTERED_DEVICE,
DM_EVENT_CMD_SET_TIMEOUT,
DM_EVENT_CMD_GET_TIMEOUT,
DM_EVENT_CMD_HELLO,
DM_EVENT_CMD_DIE,
DM_EVENT_CMD_GET_STATUS,
DM_EVENT_CMD_GET_PARAMETERS,
};
/* Message passed between client and daemon. */
struct dm_event_daemon_message {
uint32_t cmd;
uint32_t size;
char *data;
};
/* FIXME Is this meant to be exported? I can't see where the
interface uses it. */
/* Fifos for client/daemon communication. */
struct dm_event_fifos {
int client;
int server;
const char *client_path;
const char *server_path;
};
/* EXIT_SUCCESS 0 -- stdlib.h */
/* EXIT_FAILURE 1 -- stdlib.h */
/* EXIT_LOCKFILE_INUSE 2 -- obsoleted */
#define EXIT_DESC_CLOSE_FAILURE 3
#define EXIT_DESC_OPEN_FAILURE 4
/* EXIT_OPEN_PID_FAILURE 5 -- obsoleted */
#define EXIT_FIFO_FAILURE 6
#define EXIT_CHDIR_FAILURE 7
/* Implemented in libdevmapper-event.c, but not part of public API. */
// FIXME misuse of bitmask as enum
int daemon_talk(struct dm_event_fifos *fifos,
struct dm_event_daemon_message *msg, int cmd,
const char *dso_name, const char *dev_name,
enum dm_event_mask evmask, uint32_t timeout);
int init_fifos(struct dm_event_fifos *fifos);
void fini_fifos(struct dm_event_fifos *fifos);
int dm_event_get_version(struct dm_event_fifos *fifos, int *version);
void lvmnotify_send(const char *name);
#endif /* __DMEVENTD_DOT_H__ */
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