]>
git.ipfire.org Git - thirdparty/systemd.git/blob - src/libudev/libudev-private.h
2 This file is part of systemd.
4 Copyright 2008-2012 Kay Sievers <kay@vrfy.org>
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
20 #ifndef _LIBUDEV_PRIVATE_H_
21 #define _LIBUDEV_PRIVATE_H_
37 /* avoid (sometimes expensive) calculations of parameters for debug output */
38 #define udev_log_cond(udev, prio, arg...) \
40 if (udev_get_log_priority(udev) >= prio) \
41 udev_log(udev, prio, __FILE__, __LINE__, __FUNCTION__, ## arg); \
44 #define udev_dbg(udev, arg...) udev_log_cond(udev, LOG_DEBUG, ## arg)
45 #define udev_info(udev, arg...) udev_log_cond(udev, LOG_INFO, ## arg)
46 #define udev_err(udev, arg...) udev_log_cond(udev, LOG_ERR, ## arg)
49 void udev_log(struct udev
*udev
,
50 int priority
, const char *file
, int line
, const char *fn
,
51 const char *format
, ...) _printf_(6, 7);
52 int udev_get_rules_path(struct udev
*udev
, char **path
[], usec_t
*ts_usec
[]);
53 struct udev_list_entry
*udev_add_property(struct udev
*udev
, const char *key
, const char *value
);
54 struct udev_list_entry
*udev_get_properties_list_entry(struct udev
*udev
);
56 /* libudev-device.c */
57 struct udev_device
*udev_device_new(struct udev
*udev
);
58 mode_t
udev_device_get_devnode_mode(struct udev_device
*udev_device
);
59 uid_t
udev_device_get_devnode_uid(struct udev_device
*udev_device
);
60 gid_t
udev_device_get_devnode_gid(struct udev_device
*udev_device
);
61 int udev_device_set_subsystem(struct udev_device
*udev_device
, const char *subsystem
);
62 int udev_device_set_syspath(struct udev_device
*udev_device
, const char *syspath
);
63 int udev_device_add_devlink(struct udev_device
*udev_device
, const char *devlink
);
64 void udev_device_cleanup_devlinks_list(struct udev_device
*udev_device
);
65 struct udev_list_entry
*udev_device_add_property(struct udev_device
*udev_device
, const char *key
, const char *value
);
66 void udev_device_add_property_from_string_parse(struct udev_device
*udev_device
, const char *property
);
67 int udev_device_add_property_from_string_parse_finish(struct udev_device
*udev_device
);
68 char **udev_device_get_properties_envp(struct udev_device
*udev_device
);
69 ssize_t
udev_device_get_properties_monitor_buf(struct udev_device
*udev_device
, const char **buf
);
70 int udev_device_read_db(struct udev_device
*udev_device
, const char *dbfile
);
71 int udev_device_read_uevent_file(struct udev_device
*udev_device
);
72 int udev_device_set_action(struct udev_device
*udev_device
, const char *action
);
73 const char *udev_device_get_devpath_old(struct udev_device
*udev_device
);
74 const char *udev_device_get_id_filename(struct udev_device
*udev_device
);
75 void udev_device_set_is_initialized(struct udev_device
*udev_device
);
76 int udev_device_add_tag(struct udev_device
*udev_device
, const char *tag
);
77 void udev_device_cleanup_tags_list(struct udev_device
*udev_device
);
78 usec_t
udev_device_get_usec_initialized(struct udev_device
*udev_device
);
79 void udev_device_set_usec_initialized(struct udev_device
*udev_device
, usec_t usec_initialized
);
80 int udev_device_get_devlink_priority(struct udev_device
*udev_device
);
81 int udev_device_set_devlink_priority(struct udev_device
*udev_device
, int prio
);
82 int udev_device_get_watch_handle(struct udev_device
*udev_device
);
83 int udev_device_set_watch_handle(struct udev_device
*udev_device
, int handle
);
84 int udev_device_get_ifindex(struct udev_device
*udev_device
);
85 void udev_device_set_info_loaded(struct udev_device
*device
);
86 bool udev_device_get_db_persist(struct udev_device
*udev_device
);
87 void udev_device_set_db_persist(struct udev_device
*udev_device
);
89 /* libudev-device-private.c */
90 int udev_device_update_db(struct udev_device
*udev_device
);
91 int udev_device_delete_db(struct udev_device
*udev_device
);
92 int udev_device_tag_index(struct udev_device
*dev
, struct udev_device
*dev_old
, bool add
);
94 /* libudev-monitor.c - netlink/unix socket communication */
95 int udev_monitor_disconnect(struct udev_monitor
*udev_monitor
);
96 int udev_monitor_allow_unicast_sender(struct udev_monitor
*udev_monitor
, struct udev_monitor
*sender
);
97 int udev_monitor_send_device(struct udev_monitor
*udev_monitor
,
98 struct udev_monitor
*destination
, struct udev_device
*udev_device
);
99 struct udev_monitor
*udev_monitor_new_from_netlink_fd(struct udev
*udev
, const char *name
, int fd
);
102 struct udev_list_node
{
103 struct udev_list_node
*next
, *prev
;
107 struct udev_list_node node
;
108 struct udev_list_entry
**entries
;
109 unsigned int entries_cur
;
110 unsigned int entries_max
;
113 #define UDEV_LIST(list) struct udev_list_node list = { &(list), &(list) }
114 void udev_list_node_init(struct udev_list_node
*list
);
115 int udev_list_node_is_empty(struct udev_list_node
*list
);
116 void udev_list_node_append(struct udev_list_node
*new, struct udev_list_node
*list
);
117 void udev_list_node_remove(struct udev_list_node
*entry
);
118 #define udev_list_node_foreach(node, list) \
119 for (node = (list)->next; \
122 #define udev_list_node_foreach_safe(node, tmp, list) \
123 for (node = (list)->next, tmp = (node)->next; \
125 node = tmp, tmp = (tmp)->next)
126 void udev_list_init(struct udev
*udev
, struct udev_list
*list
, bool unique
);
127 void udev_list_cleanup(struct udev_list
*list
);
128 struct udev_list_entry
*udev_list_get_entry(struct udev_list
*list
);
129 struct udev_list_entry
*udev_list_entry_add(struct udev_list
*list
, const char *name
, const char *value
);
130 void udev_list_entry_delete(struct udev_list_entry
*entry
);
131 int udev_list_entry_get_num(struct udev_list_entry
*list_entry
);
132 void udev_list_entry_set_num(struct udev_list_entry
*list_entry
, int num
);
133 #define udev_list_entry_foreach_safe(entry, tmp, first) \
134 for (entry = first, tmp = udev_list_entry_get_next(entry); \
136 entry = tmp, tmp = udev_list_entry_get_next(tmp))
138 /* libudev-queue.c */
139 unsigned long long int udev_get_kernel_seqnum(struct udev
*udev
);
140 int udev_queue_read_seqnum(FILE *queue_file
, unsigned long long int *seqnum
);
141 ssize_t
udev_queue_read_devpath(FILE *queue_file
, char *devpath
, size_t size
);
142 ssize_t
udev_queue_skip_devpath(FILE *queue_file
);
144 /* libudev-queue-private.c */
145 struct udev_queue_export
*udev_queue_export_new(struct udev
*udev
);
146 struct udev_queue_export
*udev_queue_export_unref(struct udev_queue_export
*udev_queue_export
);
147 void udev_queue_export_cleanup(struct udev_queue_export
*udev_queue_export
);
148 int udev_queue_export_device_queued(struct udev_queue_export
*udev_queue_export
, struct udev_device
*udev_device
);
149 int udev_queue_export_device_finished(struct udev_queue_export
*udev_queue_export
, struct udev_device
*udev_device
);
152 bool udev_hwdb_validate(struct udev_hwdb
*hwdb
);
155 #define UTIL_PATH_SIZE 1024
156 #define UTIL_NAME_SIZE 512
157 #define UTIL_LINE_SIZE 16384
158 #define UDEV_ALLOWED_CHARS_INPUT "/ $%?,"
159 ssize_t
util_get_sys_core_link_value(struct udev
*udev
, const char *slink
, const char *syspath
, char *value
, size_t size
);
160 int util_resolve_sys_link(struct udev
*udev
, char *syspath
, size_t size
);
161 int util_log_priority(const char *priority
);
162 size_t util_path_encode(const char *src
, char *dest
, size_t size
);
163 void util_remove_trailing_chars(char *path
, char c
);
164 int util_replace_whitespace(const char *str
, char *to
, size_t len
);
165 int util_replace_chars(char *str
, const char *white
);
166 unsigned int util_string_hash32(const char *key
);
167 uint64_t util_string_bloom64(const char *str
);
169 /* libudev-util-private.c */
170 int util_delete_path(struct udev
*udev
, const char *path
);
171 uid_t
util_lookup_user(struct udev
*udev
, const char *user
);
172 gid_t
util_lookup_group(struct udev
*udev
, const char *group
);
173 int util_resolve_subsys_kernel(struct udev
*udev
, const char *string
, char *result
, size_t maxsize
, int read_value
);
174 ssize_t
print_kmsg(const char *fmt
, ...) _printf_(1, 2);