xref: /freebsd/sys/contrib/openzfs/cmd/zed/zed_conf.h (revision 7ec2f6bce5d28e6662c29e63f6ab6b7ef57d98b2)
1 /*
2  * This file is part of the ZFS Event Daemon (ZED).
3  *
4  * Developed at Lawrence Livermore National Laboratory (LLNL-CODE-403049).
5  * Copyright (C) 2013-2014 Lawrence Livermore National Security, LLC.
6  * Refer to the ZoL git commit log for authoritative copyright attribution.
7  *
8  * The contents of this file are subject to the terms of the
9  * Common Development and Distribution License Version 1.0 (CDDL-1.0).
10  * You can obtain a copy of the license from the top-level file
11  * "OPENSOLARIS.LICENSE" or at <http://opensource.org/licenses/CDDL-1.0>.
12  * You may not use this file except in compliance with the license.
13  */
14 
15 #ifndef	ZED_CONF_H
16 #define	ZED_CONF_H
17 
18 #include <libzfs.h>
19 #include <stdint.h>
20 #include "zed_strings.h"
21 
22 struct zed_conf {
23 	unsigned	do_force:1;		/* true if force enabled */
24 	unsigned	do_foreground:1;	/* true if run in foreground */
25 	unsigned	do_memlock:1;		/* true if locking memory */
26 	unsigned	do_verbose:1;		/* true if verbosity enabled */
27 	unsigned	do_zero:1;		/* true if zeroing state */
28 	unsigned	do_idle:1;		/* true if idle enabled */
29 	int		syslog_facility;	/* syslog facility value */
30 	int		min_events;		/* RESERVED FOR FUTURE USE */
31 	int		max_events;		/* RESERVED FOR FUTURE USE */
32 	char		*conf_file;		/* abs path to config file */
33 	char		*pid_file;		/* abs path to pid file */
34 	int		pid_fd;			/* fd to pid file for lock */
35 	char		*zedlet_dir;		/* abs path to zedlet dir */
36 	zed_strings_t	*zedlets;		/* names of enabled zedlets */
37 	char		*state_file;		/* abs path to state file */
38 	int		state_fd;		/* fd to state file */
39 	libzfs_handle_t	*zfs_hdl;		/* handle to libzfs */
40 	int		zevent_fd;		/* fd for access to zevents */
41 	char		*path;		/* custom $PATH for zedlets to use */
42 };
43 
44 struct zed_conf *zed_conf_create(void);
45 
46 void zed_conf_destroy(struct zed_conf *zcp);
47 
48 void zed_conf_parse_opts(struct zed_conf *zcp, int argc, char **argv);
49 
50 void zed_conf_parse_file(struct zed_conf *zcp);
51 
52 int zed_conf_scan_dir(struct zed_conf *zcp);
53 
54 int zed_conf_write_pid(struct zed_conf *zcp);
55 
56 int zed_conf_open_state(struct zed_conf *zcp);
57 
58 int zed_conf_read_state(struct zed_conf *zcp, uint64_t *eidp, int64_t etime[]);
59 
60 int zed_conf_write_state(struct zed_conf *zcp, uint64_t eid, int64_t etime[]);
61 
62 #endif	/* !ZED_CONF_H */
63