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968cdc0066
(protocol) version of the running dmeventd on the client side. Right now this is only used in dmeventd -R.
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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* Copyright (C) 2005-2007 Red Hat, Inc. All rights reserved.
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*
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* This file is part of the device-mapper userspace tools.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __DMEVENTD_DOT_H__
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#define __DMEVENTD_DOT_H__
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/* FIXME This stuff must be configurable. */
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#define DM_EVENT_FIFO_CLIENT "/var/run/dmeventd-client"
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#define DM_EVENT_FIFO_SERVER "/var/run/dmeventd-server"
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#define DM_EVENT_DEFAULT_TIMEOUT 10
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/* Commands for the daemon passed in the message below. */
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enum dm_event_command {
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DM_EVENT_CMD_ACTIVE = 1,
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DM_EVENT_CMD_REGISTER_FOR_EVENT,
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DM_EVENT_CMD_UNREGISTER_FOR_EVENT,
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DM_EVENT_CMD_GET_REGISTERED_DEVICE,
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DM_EVENT_CMD_GET_NEXT_REGISTERED_DEVICE,
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DM_EVENT_CMD_SET_TIMEOUT,
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DM_EVENT_CMD_GET_TIMEOUT,
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DM_EVENT_CMD_HELLO,
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DM_EVENT_CMD_DIE,
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DM_EVENT_CMD_GET_STATUS,
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};
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/* Message passed between client and daemon. */
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struct dm_event_daemon_message {
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uint32_t cmd;
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uint32_t size;
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char *data;
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};
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/* FIXME Is this meant to be exported? I can't see where the
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interface uses it. */
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/* Fifos for client/daemon communication. */
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struct dm_event_fifos {
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int client;
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int server;
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const char *client_path;
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const char *server_path;
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};
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/* EXIT_SUCCESS 0 -- stdlib.h */
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/* EXIT_FAILURE 1 -- stdlib.h */
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/* EXIT_LOCKFILE_INUSE 2 -- obsoleted */
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#define EXIT_DESC_CLOSE_FAILURE 3
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#define EXIT_DESC_OPEN_FAILURE 4
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/* EXIT_OPEN_PID_FAILURE 5 -- obsoleted */
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#define EXIT_FIFO_FAILURE 6
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#define EXIT_CHDIR_FAILURE 7
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/* Implemented in libdevmapper-event.c, but not part of public API. */
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int daemon_talk(struct dm_event_fifos *fifos,
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struct dm_event_daemon_message *msg, int cmd,
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const char *dso_name, const char *dev_name,
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enum dm_event_mask evmask, uint32_t timeout);
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int init_fifos(struct dm_event_fifos *fifos);
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void fini_fifos(struct dm_event_fifos *fifos);
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int dm_event_get_version(struct dm_event_fifos *fifos, int *version);
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#endif /* __DMEVENTD_DOT_H__ */
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