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de1c301e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #ifndef foosdbushfoo | |
4 | #define foosdbushfoo | |
5 | ||
6 | /*** | |
7 | This file is part of systemd. | |
8 | ||
9 | Copyright 2013 Lennart Poettering | |
10 | ||
11 | systemd is free software; you can redistribute it and/or modify it | |
12 | under the terms of the GNU Lesser General Public License as published by | |
13 | the Free Software Foundation; either version 2.1 of the License, or | |
14 | (at your option) any later version. | |
15 | ||
16 | systemd is distributed in the hope that it will be useful, but | |
17 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | Lesser General Public License for more details. | |
20 | ||
21 | You should have received a copy of the GNU Lesser General Public License | |
22 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
23 | ***/ | |
24 | ||
25 | #include <inttypes.h> | |
26 | #include <sys/types.h> | |
27 | ||
40ca29a1 LP |
28 | #include "sd-id128.h" |
29 | #include "sd-event.h" | |
30 | #include "sd-memfd.h" | |
de1c301e | 31 | |
b29b8bc2 LP |
32 | #ifdef __cplusplus |
33 | extern "C" { | |
34 | #endif | |
35 | ||
e4d2bfdd ZJS |
36 | #ifndef _sd_printf_attr_ |
37 | # if __GNUC__ >= 4 | |
38 | # define _sd_printf_attr_(a,b) __attribute__ ((format (printf, a, b))) | |
39 | # else | |
40 | # define _sd_printf_attr_(a,b) | |
41 | # endif | |
42 | #endif | |
43 | ||
90d184b2 LP |
44 | #ifndef _sd_sentinel_attr_ |
45 | # define _sd_sentinel_attr_ __attribute__((sentinel)) | |
46 | #endif | |
47 | ||
29ddb38f LP |
48 | /* Types */ |
49 | ||
de1c301e LP |
50 | typedef struct sd_bus sd_bus; |
51 | typedef struct sd_bus_message sd_bus_message; | |
52 | ||
53 | typedef struct { | |
54 | const char *name; | |
55 | const char *message; | |
56 | int need_free; | |
57 | } sd_bus_error; | |
58 | ||
29ddb38f LP |
59 | /* Callbacks */ |
60 | ||
eb01ba5d | 61 | typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata); |
29ddb38f LP |
62 | typedef int (*sd_bus_property_get_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, sd_bus_error *error, void *userdata); |
63 | typedef int (*sd_bus_property_set_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, sd_bus_error *error, void *userdata); | |
29ddb38f | 64 | typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void **found, void *userdata); |
29ddb38f LP |
65 | typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, char ***nodes, void *userdata); |
66 | ||
67 | #include "sd-bus-protocol.h" | |
68 | #include "sd-bus-vtable.h" | |
29ddb38f | 69 | |
de1c301e LP |
70 | /* Connections */ |
71 | ||
72 | int sd_bus_open_system(sd_bus **ret); | |
73 | int sd_bus_open_user(sd_bus **ret); | |
021a1e78 LP |
74 | |
75 | int sd_bus_new(sd_bus **ret); | |
76 | int sd_bus_set_address(sd_bus *bus, const char *address); | |
15d5af81 | 77 | int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd); |
2fd9ae2e | 78 | int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]); |
94bbf1ba | 79 | int sd_bus_set_bus_client(sd_bus *bus, int b); |
2181a7f5 LP |
80 | int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t server_id); |
81 | int sd_bus_set_anonymous(sd_bus *bus, int b); | |
264ad849 LP |
82 | int sd_bus_negotiate_fds(sd_bus *bus, int b); |
83 | int sd_bus_negotiate_attach_comm(sd_bus *bus, int b); | |
84 | int sd_bus_negotiate_attach_exe(sd_bus *bus, int b); | |
85 | int sd_bus_negotiate_attach_cmdline(sd_bus *bus, int b); | |
86 | int sd_bus_negotiate_attach_cgroup(sd_bus *bus, int b); | |
87 | int sd_bus_negotiate_attach_caps(sd_bus *bus, int b); | |
88 | int sd_bus_negotiate_attach_selinux_context(sd_bus *bus, int b); | |
89 | int sd_bus_negotiate_attach_audit(sd_bus *bus, int b); | |
021a1e78 LP |
90 | int sd_bus_start(sd_bus *ret); |
91 | ||
de1c301e LP |
92 | void sd_bus_close(sd_bus *bus); |
93 | ||
94 | sd_bus *sd_bus_ref(sd_bus *bus); | |
95 | sd_bus *sd_bus_unref(sd_bus *bus); | |
96 | ||
e3017af9 | 97 | int sd_bus_is_open(sd_bus *bus); |
de1c301e | 98 | int sd_bus_can_send(sd_bus *bus, char type); |
98178d39 | 99 | int sd_bus_get_server_id(sd_bus *bus, sd_id128_t *peer); |
de1c301e LP |
100 | |
101 | int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *serial); | |
52f3ba91 | 102 | int sd_bus_send_with_reply(sd_bus *bus, sd_bus_message *m, sd_bus_message_handler_t callback, void *userdata, uint64_t usec, uint64_t *serial); |
de1c301e LP |
103 | int sd_bus_send_with_reply_cancel(sd_bus *bus, uint64_t serial); |
104 | int sd_bus_send_with_reply_and_block(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *error, sd_bus_message **r); | |
105 | ||
106 | int sd_bus_get_fd(sd_bus *bus); | |
107 | int sd_bus_get_events(sd_bus *bus); | |
e3017af9 | 108 | int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec); |
de1c301e LP |
109 | int sd_bus_process(sd_bus *bus, sd_bus_message **r); |
110 | int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec); | |
111 | int sd_bus_flush(sd_bus *bus); | |
112 | ||
40ca29a1 LP |
113 | int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority); |
114 | int sd_bus_detach_event(sd_bus *bus); | |
115 | ||
52f3ba91 LP |
116 | int sd_bus_add_filter(sd_bus *bus, sd_bus_message_handler_t callback, void *userdata); |
117 | int sd_bus_remove_filter(sd_bus *bus, sd_bus_message_handler_t callback, void *userdata); | |
de1c301e | 118 | |
29ddb38f LP |
119 | int sd_bus_add_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata); |
120 | int sd_bus_remove_match(sd_bus *bus, const char *match, sd_bus_message_handler_t callback, void *userdata); | |
121 | ||
52f3ba91 LP |
122 | int sd_bus_add_object(sd_bus *bus, const char *path, sd_bus_message_handler_t callback, void *userdata); |
123 | int sd_bus_remove_object(sd_bus *bus, const char *path, sd_bus_message_handler_t callback, void *userdata); | |
a652755d | 124 | |
52f3ba91 LP |
125 | int sd_bus_add_fallback(sd_bus *bus, const char *prefix, sd_bus_message_handler_t callback, void *userdata); |
126 | int sd_bus_remove_fallback(sd_bus *bus, const char *prefix, sd_bus_message_handler_t callback, void *userdata); | |
a652755d | 127 | |
29ddb38f LP |
128 | int sd_bus_add_object_vtable(sd_bus *bus, const char *path, const char *interface, const sd_bus_vtable *vtable, void *userdata); |
129 | int sd_bus_remove_object_vtable(sd_bus *bus, const char *path, const char *interface); | |
392d5b37 | 130 | |
29ddb38f LP |
131 | int sd_bus_add_fallback_vtable(sd_bus *bus, const char *path, const char *interface, const sd_bus_vtable *vtable, sd_bus_object_find_t find, void *userdata); |
132 | int sd_bus_remove_fallback_vtable(sd_bus *bus, const char *path, const char *interface); | |
de1c301e | 133 | |
29ddb38f LP |
134 | int sd_bus_add_node_enumerator(sd_bus *bus, const char *path, sd_bus_node_enumerator_t callback, void *userdata); |
135 | int sd_bus_remove_node_enumerator(sd_bus *bus, const char *path, sd_bus_node_enumerator_t callback, void *userdata); | |
136 | ||
137 | int sd_bus_add_object_manager(sd_bus *bus, const char *path); | |
138 | int sd_bus_remove_object_manager(sd_bus *bus, const char *path); | |
139 | ||
140 | /* Message object */ | |
de1c301e LP |
141 | int sd_bus_message_new_signal(sd_bus *bus, const char *path, const char *interface, const char *member, sd_bus_message **m); |
142 | int sd_bus_message_new_method_call(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_message **m); | |
143 | int sd_bus_message_new_method_return(sd_bus *bus, sd_bus_message *call, sd_bus_message **m); | |
144 | int sd_bus_message_new_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e, sd_bus_message **m); | |
90d184b2 | 145 | int sd_bus_message_new_method_errorf(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_attr_(5, 0); |
40ca29a1 LP |
146 | int sd_bus_message_new_method_errno(sd_bus *bus, sd_bus_message *call, int error, const sd_bus_error *e, sd_bus_message **m); |
147 | int sd_bus_message_new_method_errnof(sd_bus *bus, sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_attr_(5, 0); | |
de1c301e LP |
148 | |
149 | sd_bus_message* sd_bus_message_ref(sd_bus_message *m); | |
150 | sd_bus_message* sd_bus_message_unref(sd_bus_message *m); | |
151 | ||
152 | int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type); | |
153 | int sd_bus_message_get_serial(sd_bus_message *m, uint64_t *serial); | |
154 | int sd_bus_message_get_reply_serial(sd_bus_message *m, uint64_t *serial); | |
155 | int sd_bus_message_get_no_reply(sd_bus_message *m); | |
156 | ||
40ca29a1 | 157 | const char *sd_bus_message_get_signature(sd_bus_message *m, int complete); |
de1c301e LP |
158 | const char *sd_bus_message_get_path(sd_bus_message *m); |
159 | const char *sd_bus_message_get_interface(sd_bus_message *m); | |
160 | const char *sd_bus_message_get_member(sd_bus_message *m); | |
161 | const char *sd_bus_message_get_destination(sd_bus_message *m); | |
162 | const char *sd_bus_message_get_sender(sd_bus_message *m); | |
163 | const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m); | |
40ca29a1 | 164 | int sd_bus_message_get_errno(sd_bus_message *m); |
de1c301e | 165 | |
69aec65c LP |
166 | int sd_bus_message_get_monotonic_timestamp(sd_bus_message *m, uint64_t *usec); |
167 | int sd_bus_message_get_realtime_timestamp(sd_bus_message *m, uint64_t *usec); | |
de1c301e LP |
168 | int sd_bus_message_get_uid(sd_bus_message *m, uid_t *uid); |
169 | int sd_bus_message_get_gid(sd_bus_message *m, gid_t *gid); | |
170 | int sd_bus_message_get_pid(sd_bus_message *m, pid_t *pid); | |
171 | int sd_bus_message_get_tid(sd_bus_message *m, pid_t *tid); | |
8323bc1f | 172 | int sd_bus_message_get_pid_starttime(sd_bus_message *m, uint64_t *usec); |
4a875b61 LP |
173 | int sd_bus_message_get_selinux_context(sd_bus_message *m, const char **r); |
174 | int sd_bus_message_get_comm(sd_bus_message *m, const char **r); | |
175 | int sd_bus_message_get_tid_comm(sd_bus_message *m, const char **r); | |
176 | int sd_bus_message_get_exe(sd_bus_message *m, const char **r); | |
177 | int sd_bus_message_get_cgroup(sd_bus_message *m, const char **r); | |
77930f11 | 178 | int sd_bus_message_get_cmdline(sd_bus_message *m, char ***cmdline); |
d8d3d8a7 LP |
179 | int sd_bus_message_get_unit(sd_bus_message *m, const char **unit); |
180 | int sd_bus_message_get_user_unit(sd_bus_message *m, const char **unit); | |
181 | int sd_bus_message_get_session(sd_bus_message *m, const char **session); | |
bc7f3beb | 182 | int sd_bus_message_get_owner_uid(sd_bus_message *m, uid_t *uid); |
120f919e LP |
183 | int sd_bus_message_get_audit_sessionid(sd_bus_message *m, uint32_t *sessionid); |
184 | int sd_bus_message_get_audit_loginuid(sd_bus_message *m, uid_t *loginuid); | |
102ea8e4 | 185 | int sd_bus_message_has_effective_cap(sd_bus_message *m, int capability); |
de1c301e LP |
186 | |
187 | int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member); | |
188 | int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member); | |
189 | int sd_bus_message_is_method_error(sd_bus_message *m, const char *name); | |
190 | ||
191 | int sd_bus_message_set_no_reply(sd_bus_message *m, int b); | |
192 | int sd_bus_message_set_destination(sd_bus_message *m, const char *destination); | |
193 | ||
194 | int sd_bus_message_append(sd_bus_message *m, const char *types, ...); | |
195 | int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p); | |
f8e013f8 LP |
196 | int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size); |
197 | int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr); | |
453a0c29 | 198 | int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, sd_memfd *memfd); |
f8e013f8 | 199 | int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s); |
453a0c29 | 200 | int sd_bus_message_append_string_memfd(sd_bus_message *m, sd_memfd* memfd); |
55736ed0 | 201 | int sd_bus_message_append_strv(sd_bus_message *m, char **l); |
de1c301e LP |
202 | int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents); |
203 | int sd_bus_message_close_container(sd_bus_message *m); | |
204 | ||
de1c301e | 205 | int sd_bus_message_read(sd_bus_message *m, const char *types, ...); |
9a17484d | 206 | int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p); |
f8e013f8 | 207 | int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size); |
9a17484d LP |
208 | int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents); |
209 | int sd_bus_message_exit_container(sd_bus_message *m); | |
210 | int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents); | |
89ffcd2a | 211 | int sd_bus_message_rewind(sd_bus_message *m, int complete); |
de1c301e | 212 | |
917b5dc7 LP |
213 | /* Convenience calls */ |
214 | ||
917b5dc7 | 215 | int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, sd_bus_message **reply, const char *types, ...); |
29ddb38f LP |
216 | int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, sd_bus_message **reply, const char *type); |
217 | int sd_bus_set_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *error, const char *type, ...); | |
f10dda3b LP |
218 | int sd_bus_reply_method_return(sd_bus *bus, sd_bus_message *call, const char *types, ...); |
219 | int sd_bus_reply_method_error(sd_bus *bus, sd_bus_message *call, const sd_bus_error *e); | |
90d184b2 | 220 | int sd_bus_reply_method_errorf(sd_bus *bus, sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_attr_(4, 0); |
40ca29a1 LP |
221 | int sd_bus_reply_method_errno(sd_bus *bus, sd_bus_message *call, int error, const sd_bus_error *e); |
222 | int sd_bus_reply_method_errnof(sd_bus *bus, sd_bus_message *call, int error, const char *format, ...) _sd_printf_attr_(4, 0); | |
29ddb38f LP |
223 | |
224 | int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...); | |
225 | ||
226 | int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names); | |
90d184b2 | 227 | int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_attr_; |
29ddb38f | 228 | |
4be39163 LP |
229 | int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces); |
230 | int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_; | |
231 | int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces); | |
232 | int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_attr_; | |
917b5dc7 | 233 | |
de1c301e LP |
234 | /* Bus management */ |
235 | ||
20902f3e | 236 | int sd_bus_get_unique_name(sd_bus *bus, const char **unique); |
de1c301e LP |
237 | int sd_bus_request_name(sd_bus *bus, const char *name, int flags); |
238 | int sd_bus_release_name(sd_bus *bus, const char *name); | |
239 | int sd_bus_list_names(sd_bus *bus, char ***l); | |
240 | int sd_bus_get_owner(sd_bus *bus, const char *name, char **owner); | |
241 | int sd_bus_get_owner_uid(sd_bus *bus, const char *name, uid_t *uid); | |
242 | int sd_bus_get_owner_pid(sd_bus *bus, const char *name, pid_t *pid); | |
70666185 | 243 | int sd_bus_get_owner_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine); |
de1c301e | 244 | |
fbfa72b0 | 245 | /* Error structures */ |
de1c301e | 246 | |
c784c5ce | 247 | #define SD_BUS_ERROR_MAKE(name, message) ((sd_bus_error) {(name), (message), 0}) |
77a874a3 | 248 | #define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE(NULL, NULL) |
de1c301e LP |
249 | |
250 | void sd_bus_error_free(sd_bus_error *e); | |
29ddb38f | 251 | int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message); |
40ca29a1 LP |
252 | int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_attr_(3, 0); |
253 | int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message); | |
254 | int sd_bus_error_set_errno(sd_bus_error *e, int error); | |
255 | int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_attr_(3, 0); | |
256 | int sd_bus_error_get_errno(const sd_bus_error *e); | |
de1c301e LP |
257 | int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e); |
258 | int sd_bus_error_is_set(const sd_bus_error *e); | |
259 | int sd_bus_error_has_name(const sd_bus_error *e, const char *name); | |
260 | ||
40ca29a1 LP |
261 | #define SD_BUS_MESSAGE_APPEND_ID128(x) 16, \ |
262 | (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], \ | |
263 | (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], \ | |
9444b1f2 LP |
264 | (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], \ |
265 | (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15] | |
266 | ||
b29b8bc2 LP |
267 | #ifdef __cplusplus |
268 | } | |
269 | #endif | |
270 | ||
de1c301e | 271 | #endif |