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33a5cc29 KS |
1 | /* |
2 | * libudev - interface to udev device information | |
3 | * | |
baa30fbc | 4 | * Copyright (C) 2008-2012 Kay Sievers <kay.sievers@vrfy.org> |
33a5cc29 | 5 | * |
4061ab9f KS |
6 | * This library is free software; you can redistribute it and/or |
7 | * modify it under the terms of the GNU Lesser General Public | |
8 | * License as published by the Free Software Foundation; either | |
9 | * version 2.1 of the License, or (at your option) any later version. | |
33a5cc29 KS |
10 | */ |
11 | ||
12 | #ifndef _LIBUDEV_PRIVATE_H_ | |
13 | #define _LIBUDEV_PRIVATE_H_ | |
14 | ||
7d563a17 | 15 | #include <syslog.h> |
d412a685 | 16 | #include <signal.h> |
28460195 KS |
17 | #include <stdint.h> |
18 | #include <stdbool.h> | |
9e13dbae KS |
19 | |
20 | #include "libudev.h" | |
54cf0b7f | 21 | #include "macro.h" |
33502ffe | 22 | #include "util.h" |
9e13dbae | 23 | #include "mkdir.h" |
33a5cc29 | 24 | |
6ada823a | 25 | #define READ_END 0 |
baa30fbc | 26 | #define WRITE_END 1 |
9176ac1f | 27 | |
baa30fbc | 28 | /* avoid (sometimes expensive) calculations of parameters for debug output */ |
119f66fc KS |
29 | #define udev_log_cond(udev, prio, arg...) \ |
30 | do { \ | |
31 | if (udev_get_log_priority(udev) >= prio) \ | |
1d67ec16 | 32 | udev_log(udev, prio, __FILE__, __LINE__, __FUNCTION__, ## arg); \ |
119f66fc KS |
33 | } while (0) |
34 | ||
c8f8394a KS |
35 | #define udev_dbg(udev, arg...) udev_log_cond(udev, LOG_DEBUG, ## arg) |
36 | #define udev_info(udev, arg...) udev_log_cond(udev, LOG_INFO, ## arg) | |
37 | #define udev_err(udev, arg...) udev_log_cond(udev, LOG_ERR, ## arg) | |
33a5cc29 | 38 | |
9060b066 | 39 | /* libudev.c */ |
33a5cc29 | 40 | void udev_log(struct udev *udev, |
912541b0 KS |
41 | int priority, const char *file, int line, const char *fn, |
42 | const char *format, ...) | |
43 | __attribute__((format(printf, 6, 7))); | |
4f1795cc | 44 | int udev_get_rules_path(struct udev *udev, char **path[], unsigned long long *ts_usec[]); |
37ed4f56 KS |
45 | struct udev_list_entry *udev_add_property(struct udev *udev, const char *key, const char *value); |
46 | struct udev_list_entry *udev_get_properties_list_entry(struct udev *udev); | |
11d543c1 | 47 | |
9060b066 | 48 | /* libudev-device.c */ |
a5710160 | 49 | struct udev_device *udev_device_new(struct udev *udev); |
3cf1a8e3 | 50 | mode_t udev_device_get_devnode_mode(struct udev_device *udev_device); |
37ed4f56 | 51 | int udev_device_set_syspath(struct udev_device *udev_device, const char *syspath); |
37ed4f56 | 52 | int udev_device_set_devnode(struct udev_device *udev_device, const char *devnode); |
6c29f2b9 | 53 | int udev_device_add_devlink(struct udev_device *udev_device, const char *devlink, int unique); |
37ed4f56 KS |
54 | void udev_device_cleanup_devlinks_list(struct udev_device *udev_device); |
55 | struct udev_list_entry *udev_device_add_property(struct udev_device *udev_device, const char *key, const char *value); | |
fc8d61c5 KS |
56 | void udev_device_add_property_from_string_parse(struct udev_device *udev_device, const char *property); |
57 | int udev_device_add_property_from_string_parse_finish(struct udev_device *udev_device); | |
37ed4f56 KS |
58 | char **udev_device_get_properties_envp(struct udev_device *udev_device); |
59 | ssize_t udev_device_get_properties_monitor_buf(struct udev_device *udev_device, const char **buf); | |
5f59fa09 | 60 | int udev_device_read_db(struct udev_device *udev_device, const char *dbfile); |
37ed4f56 KS |
61 | int udev_device_read_uevent_file(struct udev_device *udev_device); |
62 | int udev_device_set_action(struct udev_device *udev_device, const char *action); | |
37ed4f56 | 63 | const char *udev_device_get_devpath_old(struct udev_device *udev_device); |
4281da1f | 64 | const char *udev_device_get_id_filename(struct udev_device *udev_device); |
48a0170b | 65 | void udev_device_set_is_initialized(struct udev_device *udev_device); |
fbb31cd6 | 66 | int udev_device_add_tag(struct udev_device *udev_device, const char *tag); |
28460195 | 67 | void udev_device_cleanup_tags_list(struct udev_device *udev_device); |
9c6a11b1 KS |
68 | unsigned long long udev_device_get_usec_initialized(struct udev_device *udev_device); |
69 | void udev_device_set_usec_initialized(struct udev_device *udev_device, unsigned long long usec_initialized); | |
37ed4f56 KS |
70 | int udev_device_get_devlink_priority(struct udev_device *udev_device); |
71 | int udev_device_set_devlink_priority(struct udev_device *udev_device, int prio); | |
37ed4f56 KS |
72 | int udev_device_get_watch_handle(struct udev_device *udev_device); |
73 | int udev_device_set_watch_handle(struct udev_device *udev_device, int handle); | |
fc416258 | 74 | int udev_device_get_ifindex(struct udev_device *udev_device); |
37ed4f56 | 75 | void udev_device_set_info_loaded(struct udev_device *device); |
9ead6627 KS |
76 | bool udev_device_get_db_persist(struct udev_device *udev_device); |
77 | void udev_device_set_db_persist(struct udev_device *udev_device); | |
11d543c1 | 78 | |
98631e1c | 79 | /* libudev-device-private.c */ |
37ed4f56 KS |
80 | int udev_device_update_db(struct udev_device *udev_device); |
81 | int udev_device_delete_db(struct udev_device *udev_device); | |
c1dbe11d | 82 | int udev_device_tag_index(struct udev_device *dev, struct udev_device *dev_old, bool add); |
fc233a87 | 83 | |
9060b066 | 84 | /* libudev-monitor.c - netlink/unix socket communication */ |
1e03b754 KS |
85 | int udev_monitor_disconnect(struct udev_monitor *udev_monitor); |
86 | int udev_monitor_allow_unicast_sender(struct udev_monitor *udev_monitor, struct udev_monitor *sender); | |
87 | int udev_monitor_send_device(struct udev_monitor *udev_monitor, | |
912541b0 | 88 | struct udev_monitor *destination, struct udev_device *udev_device); |
7459bcdc | 89 | struct udev_monitor *udev_monitor_new_from_netlink_fd(struct udev *udev, const char *name, int fd); |
9925ab04 | 90 | |
9060b066 | 91 | /* libudev-list.c */ |
8cd2e972 | 92 | struct udev_list_node { |
912541b0 | 93 | struct udev_list_node *next, *prev; |
e345e267 | 94 | }; |
869c9031 | 95 | struct udev_list { |
912541b0 KS |
96 | struct udev *udev; |
97 | struct udev_list_node node; | |
98 | struct udev_list_entry **entries; | |
99 | unsigned int entries_cur; | |
100 | unsigned int entries_max; | |
101 | bool unique; | |
869c9031 | 102 | }; |
ff2c503d | 103 | #define UDEV_LIST(list) struct udev_list_node list = { &(list), &(list) } |
869c9031 KS |
104 | void udev_list_node_init(struct udev_list_node *list); |
105 | int udev_list_node_is_empty(struct udev_list_node *list); | |
37ed4f56 KS |
106 | void udev_list_node_append(struct udev_list_node *new, struct udev_list_node *list); |
107 | void udev_list_node_remove(struct udev_list_node *entry); | |
9dcf7ec8 | 108 | #define udev_list_node_foreach(node, list) \ |
912541b0 KS |
109 | for (node = (list)->next; \ |
110 | node != list; \ | |
111 | node = (node)->next) | |
9dcf7ec8 | 112 | #define udev_list_node_foreach_safe(node, tmp, list) \ |
912541b0 KS |
113 | for (node = (list)->next, tmp = (node)->next; \ |
114 | node != list; \ | |
115 | node = tmp, tmp = (tmp)->next) | |
869c9031 KS |
116 | void udev_list_init(struct udev *udev, struct udev_list *list, bool unique); |
117 | void udev_list_cleanup(struct udev_list *list); | |
118 | struct udev_list_entry *udev_list_get_entry(struct udev_list *list); | |
119 | struct udev_list_entry *udev_list_entry_add(struct udev_list *list, const char *name, const char *value); | |
37ed4f56 | 120 | void udev_list_entry_delete(struct udev_list_entry *entry); |
37ed4f56 | 121 | void udev_list_entry_insert_before(struct udev_list_entry *new, struct udev_list_entry *entry); |
869c9031 | 122 | void udev_list_entry_append(struct udev_list_entry *new, struct udev_list *list); |
8958da13 KS |
123 | int udev_list_entry_get_num(struct udev_list_entry *list_entry); |
124 | void udev_list_entry_set_num(struct udev_list_entry *list_entry, int num); | |
daa849db | 125 | #define udev_list_entry_foreach_safe(entry, tmp, first) \ |
912541b0 KS |
126 | for (entry = first, tmp = udev_list_entry_get_next(entry); \ |
127 | entry != NULL; \ | |
128 | entry = tmp, tmp = udev_list_entry_get_next(tmp)) | |
bf7ad0ea | 129 | |
9060b066 | 130 | /* libudev-queue.c */ |
f503f6b2 AJ |
131 | unsigned long long int udev_get_kernel_seqnum(struct udev *udev); |
132 | int udev_queue_read_seqnum(FILE *queue_file, unsigned long long int *seqnum); | |
133 | ssize_t udev_queue_read_devpath(FILE *queue_file, char *devpath, size_t size); | |
134 | ssize_t udev_queue_skip_devpath(FILE *queue_file); | |
135 | ||
98631e1c | 136 | /* libudev-queue-private.c */ |
f503f6b2 | 137 | struct udev_queue_export *udev_queue_export_new(struct udev *udev); |
f6577968 | 138 | struct udev_queue_export *udev_queue_export_unref(struct udev_queue_export *udev_queue_export); |
f503f6b2 AJ |
139 | void udev_queue_export_cleanup(struct udev_queue_export *udev_queue_export); |
140 | int udev_queue_export_device_queued(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device); | |
141 | int udev_queue_export_device_finished(struct udev_queue_export *udev_queue_export, struct udev_device *udev_device); | |
64ccdf82 | 142 | |
44b49d37 | 143 | /* libudev-util.c */ |
912541b0 KS |
144 | #define UTIL_PATH_SIZE 1024 |
145 | #define UTIL_NAME_SIZE 512 | |
146 | #define UTIL_LINE_SIZE 16384 | |
147 | #define UDEV_ALLOWED_CHARS_INPUT "/ $%?," | |
cdfdc85f | 148 | ssize_t util_get_sys_core_link_value(struct udev *udev, const char *slink, const char *syspath, char *value, size_t size); |
37ed4f56 KS |
149 | int util_resolve_sys_link(struct udev *udev, char *syspath, size_t size); |
150 | int util_log_priority(const char *priority); | |
065db052 | 151 | size_t util_path_encode(const char *src, char *dest, size_t size); |
37ed4f56 KS |
152 | size_t util_path_decode(char *s); |
153 | void util_remove_trailing_chars(char *path, char c); | |
065db052 | 154 | size_t util_strpcpy(char **dest, size_t size, const char *src); |
119f66fc | 155 | size_t util_strpcpyl(char **dest, size_t size, const char *src, ...) __attribute__((sentinel)); |
065db052 | 156 | size_t util_strscpy(char *dest, size_t size, const char *src); |
119f66fc | 157 | size_t util_strscpyl(char *dest, size_t size, const char *src, ...) __attribute__((sentinel)); |
0bbe8838 KS |
158 | int util_replace_whitespace(const char *str, char *to, size_t len); |
159 | int util_replace_chars(char *str, const char *white); | |
28460195 KS |
160 | unsigned int util_string_hash32(const char *key); |
161 | uint64_t util_string_bloom64(const char *str); | |
44b49d37 KS |
162 | |
163 | /* libudev-util-private.c */ | |
44b49d37 | 164 | int util_delete_path(struct udev *udev, const char *path); |
44b49d37 KS |
165 | uid_t util_lookup_user(struct udev *udev, const char *user); |
166 | gid_t util_lookup_group(struct udev *udev, const char *group); | |
44b49d37 | 167 | int util_resolve_subsys_kernel(struct udev *udev, const char *string, |
912541b0 | 168 | char *result, size_t maxsize, int read_value); |
4f1795cc | 169 | unsigned long long ts_usec(const struct timespec *ts); |
2181d30a | 170 | unsigned long long now_usec(void); |
c6eefe36 | 171 | ssize_t print_kmsg(const char *fmt, ...) __attribute__((format(printf, 1, 2))); |
33a5cc29 | 172 | #endif |