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40ca29a1 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2013 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
24 | #include "sd-event.h" | |
25 | #include "sd-bus.h" | |
26 | #include "hashmap.h" | |
27 | #include "time-util.h" | |
40ca29a1 | 28 | |
d21ed1ea LP |
29 | typedef enum BusTransport { |
30 | BUS_TRANSPORT_LOCAL, | |
31 | BUS_TRANSPORT_REMOTE, | |
de33fc62 | 32 | BUS_TRANSPORT_MACHINE, |
d21ed1ea LP |
33 | _BUS_TRANSPORT_MAX, |
34 | _BUS_TRANSPORT_INVALID = -1 | |
35 | } BusTransport; | |
36 | ||
9f6eb1cd KS |
37 | typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
38 | ||
ffc06c35 | 39 | struct bus_properties_map { |
9f6eb1cd KS |
40 | const char *member; |
41 | const char *signature; | |
42 | bus_property_set_t set; | |
43 | size_t offset; | |
ffc06c35 KS |
44 | }; |
45 | ||
9f6eb1cd KS |
46 | int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata); |
47 | ||
fe506d56 LP |
48 | int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); |
49 | int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, void *userdata); | |
50 | int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, void *userdata); | |
ffc06c35 | 51 | |
6203e07a | 52 | int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name); |
40ca29a1 | 53 | |
37224a5f LP |
54 | typedef bool (*check_idle_t)(void *userdata); |
55 | ||
56 | int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout, check_idle_t check_idle, void *userdata); | |
718db961 | 57 | |
5fd38859 DH |
58 | int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error); |
59 | ||
718db961 | 60 | int bus_check_peercred(sd_bus *c); |
40ca29a1 | 61 | |
ceb24229 | 62 | int bus_test_polkit(sd_bus_message *call, int capability, const char *action, uid_t good_user, bool *_challenge, sd_bus_error *e); |
40ca29a1 | 63 | |
c529695e | 64 | int bus_verify_polkit_async(sd_bus_message *call, int capability, const char *action, bool interactive, uid_t good_user, Hashmap **registry, sd_bus_error *error); |
36e34057 | 65 | void bus_verify_polkit_async_registry_free(Hashmap *registry); |
40ca29a1 | 66 | |
0f8bd8de | 67 | int bus_open_system_systemd(sd_bus **_bus); |
41dd15e4 | 68 | int bus_open_user_systemd(sd_bus **_bus); |
a1da8583 | 69 | |
d21ed1ea | 70 | int bus_open_transport(BusTransport transport, const char *host, bool user, sd_bus **bus); |
41dd15e4 | 71 | int bus_open_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus); |
d21ed1ea | 72 | |
9f6eb1cd | 73 | int bus_print_property(const char *name, sd_bus_message *property, bool all); |
27e72d6b | 74 | int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all); |
0c842e0a | 75 | |
ebcf1f97 | 76 | int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
e6504030 | 77 | |
718db961 LP |
78 | #define bus_property_get_usec ((sd_bus_property_get_t) NULL) |
79 | #define bus_property_set_usec ((sd_bus_property_set_t) NULL) | |
80 | ||
81 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
82 | #define bus_property_get_int ((sd_bus_property_get_t) NULL) | |
83 | ||
84 | assert_cc(sizeof(unsigned) == sizeof(unsigned)); | |
85 | #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL) | |
86 | ||
87 | /* On 64bit machines we can use the default serializer for size_t and | |
88 | * friends, otherwise we need to cast this manually */ | |
89 | #if __SIZEOF_SIZE_T__ == 8 | |
90 | #define bus_property_get_size ((sd_bus_property_get_t) NULL) | |
91 | #else | |
ebcf1f97 | 92 | int bus_property_get_size(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
718db961 LP |
93 | #endif |
94 | ||
95 | #if __SIZEOF_LONG__ == 8 | |
96 | #define bus_property_get_long ((sd_bus_property_get_t) NULL) | |
97 | #define bus_property_get_ulong ((sd_bus_property_get_t) NULL) | |
98 | #else | |
ebcf1f97 LP |
99 | int bus_property_get_long(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); |
100 | int bus_property_get_ulong(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error); | |
718db961 LP |
101 | #endif |
102 | ||
103 | /* uid_t and friends on Linux 32 bit. This means we can just use the | |
104 | * default serializer for 32bit unsigned, for serializing it, and map | |
105 | * it to NULL here */ | |
106 | assert_cc(sizeof(uid_t) == sizeof(uint32_t)); | |
107 | #define bus_property_get_uid ((sd_bus_property_get_t) NULL) | |
108 | ||
109 | assert_cc(sizeof(gid_t) == sizeof(uint32_t)); | |
110 | #define bus_property_get_gid ((sd_bus_property_get_t) NULL) | |
111 | ||
112 | assert_cc(sizeof(pid_t) == sizeof(uint32_t)); | |
113 | #define bus_property_get_pid ((sd_bus_property_get_t) NULL) | |
114 | ||
115 | assert_cc(sizeof(mode_t) == sizeof(uint32_t)); | |
116 | #define bus_property_get_mode ((sd_bus_property_get_t) NULL) | |
e6504030 | 117 | |
5b30bef8 | 118 | int bus_log_parse_error(int r); |
f459b602 MAP |
119 | int bus_log_create_error(int r); |
120 | ||
121 | typedef struct UnitInfo { | |
1238ee09 | 122 | const char *machine; |
f459b602 MAP |
123 | const char *id; |
124 | const char *description; | |
125 | const char *load_state; | |
126 | const char *active_state; | |
127 | const char *sub_state; | |
128 | const char *following; | |
129 | const char *unit_path; | |
130 | uint32_t job_id; | |
131 | const char *job_type; | |
132 | const char *job_path; | |
133 | } UnitInfo; | |
134 | ||
135 | int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u); | |
5b30bef8 | 136 | |
24996861 LP |
137 | static inline void sd_bus_close_unrefp(sd_bus **bus) { |
138 | if (*bus) { | |
139 | sd_bus_flush(*bus); | |
140 | sd_bus_close(*bus); | |
141 | sd_bus_unref(*bus); | |
142 | } | |
143 | } | |
144 | ||
40ca29a1 | 145 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_unref); |
19befb2d | 146 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_slot*, sd_bus_slot_unref); |
40ca29a1 | 147 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_message*, sd_bus_message_unref); |
5b12334d | 148 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_creds*, sd_bus_creds_unref); |
19befb2d | 149 | DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_track*, sd_bus_track_unref); |
40ca29a1 LP |
150 | |
151 | #define _cleanup_bus_unref_ _cleanup_(sd_bus_unrefp) | |
24996861 | 152 | #define _cleanup_bus_close_unref_ _cleanup_(sd_bus_close_unrefp) |
19befb2d | 153 | #define _cleanup_bus_slot_unref_ _cleanup_(sd_bus_slot_unrefp) |
40ca29a1 | 154 | #define _cleanup_bus_message_unref_ _cleanup_(sd_bus_message_unrefp) |
5b12334d | 155 | #define _cleanup_bus_creds_unref_ _cleanup_(sd_bus_creds_unrefp) |
19befb2d | 156 | #define _cleanup_bus_track_unref_ _cleanup_(sd_bus_slot_unrefp) |
c3350683 LP |
157 | #define _cleanup_bus_error_free_ _cleanup_(sd_bus_error_free) |
158 | ||
159 | #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \ | |
160 | int function(sd_bus *bus, \ | |
161 | const char *path, \ | |
162 | const char *interface, \ | |
163 | const char *property, \ | |
164 | sd_bus_message *reply, \ | |
ebcf1f97 LP |
165 | void *userdata, \ |
166 | sd_bus_error *error) { \ | |
c3350683 LP |
167 | \ |
168 | const char *value; \ | |
169 | type *field = userdata; \ | |
170 | int r; \ | |
171 | \ | |
172 | assert(bus); \ | |
173 | assert(reply); \ | |
174 | assert(field); \ | |
175 | \ | |
176 | value = strempty(name##_to_string(*field)); \ | |
177 | \ | |
178 | r = sd_bus_message_append_basic(reply, 's', value); \ | |
179 | if (r < 0) \ | |
180 | return r; \ | |
181 | \ | |
182 | return 1; \ | |
183 | } \ | |
184 | struct __useless_struct_to_allow_trailing_semicolon__ | |
185 | ||
718db961 | 186 | #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \ |
edb5dd18 LP |
187 | SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \ |
188 | SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags)) | |
ebcf1f97 LP |
189 | |
190 | int bus_maybe_reply_error(sd_bus_message *m, int r, sd_bus_error *error); | |
df31a6c0 LP |
191 | |
192 | int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment); | |
ebd011d9 LP |
193 | |
194 | typedef struct BusWaitForJobs BusWaitForJobs; | |
195 | ||
196 | int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret); | |
197 | void bus_wait_for_jobs_free(BusWaitForJobs *d); | |
198 | int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path); | |
199 | int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet); | |
de158ed2 | 200 | int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet); |
ebd011d9 LP |
201 | |
202 | DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free); | |
d8f52ed2 LP |
203 | |
204 | int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet); | |
98a4c30b DH |
205 | |
206 | int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path); | |
207 | int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external); | |
d79acc30 DH |
208 | |
209 | bool is_kdbus_wanted(void); | |
210 | bool is_kdbus_available(void); |