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/***
This file is part of systemd.
Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
Copyright 2014 Tom Gundersen <teg@jklm.no>
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#pragma once
#include "hashmap.h"
#include "set.h"
struct sd_device {
uint64_t n_ref;
sd_device *parent;
bool parent_set; /* no need to try to reload parent */
OrderedHashmap *properties;
Iterator properties_iterator;
uint64_t properties_generation; /* changes whenever the properties are changed */
uint64_t properties_iterator_generation; /* generation when iteration was started */
/* the subset of the properties that should be written to the db*/
OrderedHashmap *properties_db;
Hashmap *sysattr_values; /* cached sysattr values */
Set *sysattrs; /* names of sysattrs */
Iterator sysattrs_iterator;
bool sysattrs_read; /* don't try to re-read sysattrs once read */
Set *tags;
Iterator tags_iterator;
uint64_t tags_generation; /* changes whenever the tags are changed */
uint64_t tags_iterator_generation; /* generation when iteration was started */
bool property_tags_outdated; /* need to update TAGS= property */
Set *devlinks;
Iterator devlinks_iterator;
uint64_t devlinks_generation; /* changes whenever the devlinks are changed */
uint64_t devlinks_iterator_generation; /* generation when iteration was started */
bool property_devlinks_outdated; /* need to update DEVLINKS= property */
int devlink_priority;
char **properties_strv; /* the properties hashmap as a strv */
uint8_t *properties_nulstr; /* the same as a nulstr */
size_t properties_nulstr_len;
bool properties_buf_outdated; /* need to reread hashmap */
int watch_handle;
char *syspath;
const char *devpath;
const char *sysnum;
char *sysname;
bool sysname_set; /* don't reread sysname */
char *devtype;
int ifindex;
char *devname;
dev_t devnum;
char *subsystem;
bool subsystem_set; /* don't reread subsystem */
char *driver;
bool driver_set; /* don't reread driver */
char *id_filename;
bool is_initialized;
uint64_t usec_initialized;
mode_t devmode;
uid_t devuid;
gid_t devgid;
bool uevent_loaded; /* don't reread uevent */
bool db_loaded; /* don't reread db */
bool sealed; /* don't read more information from uevent/db */
bool db_persist; /* don't clean up the db when switching from initrd to real root */
};
typedef enum DeviceAction {
DEVICE_ACTION_ADD,
DEVICE_ACTION_REMOVE,
DEVICE_ACTION_CHANGE,
DEVICE_ACTION_MOVE,
DEVICE_ACTION_ONLINE,
DEVICE_ACTION_OFFLINE,
_DEVICE_ACTION_MAX,
_DEVICE_ACTION_INVALID = -1,
} DeviceAction;
int device_new_aux(sd_device **ret);
int device_add_property_aux(sd_device *device, const char *key, const char *value, bool db);
int device_add_property_internal(sd_device *device, const char *key, const char *value);
int device_read_uevent_file(sd_device *device);
int device_read_db_aux(sd_device *device, bool force);
int device_set_syspath(sd_device *device, const char *_syspath, bool verify);
int device_set_ifindex(sd_device *device, const char *ifindex);
int device_set_devmode(sd_device *device, const char *devmode);
int device_set_devname(sd_device *device, const char *_devname);
int device_set_devtype(sd_device *device, const char *_devtype);
int device_set_devnum(sd_device *device, const char *major, const char *minor);
int device_set_subsystem(sd_device *device, const char *_subsystem);
int device_set_driver(sd_device *device, const char *_driver);
int device_set_usec_initialized(sd_device *device, const char *initialized);
DeviceAction device_action_from_string(const char *s) _pure_;
const char *device_action_to_string(DeviceAction a) _const_;
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