1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
7 This file is part of systemd.
9 Copyright 2013 Lennart Poettering
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.
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.
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/>.
26 #include <sys/types.h>
31 #include "_sd-common.h"
33 _SD_BEGIN_DECLARATIONS;
37 typedef struct sd_bus sd_bus;
38 typedef struct sd_bus_message sd_bus_message;
39 typedef struct sd_bus_slot sd_bus_slot;
40 typedef struct sd_bus_creds sd_bus_creds;
41 typedef struct sd_bus_track sd_bus_track;
52 SD_BUS_CREDS_PID = 1ULL << 0,
53 SD_BUS_CREDS_PID_STARTTIME = 1ULL << 1,
54 SD_BUS_CREDS_TID = 1ULL << 2,
55 SD_BUS_CREDS_UID = 1ULL << 3,
56 SD_BUS_CREDS_EUID = 1ULL << 4,
57 SD_BUS_CREDS_SUID = 1ULL << 5,
58 SD_BUS_CREDS_FSUID = 1ULL << 6,
59 SD_BUS_CREDS_GID = 1ULL << 7,
60 SD_BUS_CREDS_EGID = 1ULL << 8,
61 SD_BUS_CREDS_SGID = 1ULL << 9,
62 SD_BUS_CREDS_FSGID = 1ULL << 10,
63 SD_BUS_CREDS_SUPPLEMENTARY_GIDS = 1ULL << 11,
64 SD_BUS_CREDS_COMM = 1ULL << 12,
65 SD_BUS_CREDS_TID_COMM = 1ULL << 13,
66 SD_BUS_CREDS_EXE = 1ULL << 14,
67 SD_BUS_CREDS_CMDLINE = 1ULL << 15,
68 SD_BUS_CREDS_CGROUP = 1ULL << 16,
69 SD_BUS_CREDS_UNIT = 1ULL << 17,
70 SD_BUS_CREDS_USER_UNIT = 1ULL << 18,
71 SD_BUS_CREDS_SLICE = 1ULL << 19,
72 SD_BUS_CREDS_SESSION = 1ULL << 20,
73 SD_BUS_CREDS_OWNER_UID = 1ULL << 21,
74 SD_BUS_CREDS_EFFECTIVE_CAPS = 1ULL << 22,
75 SD_BUS_CREDS_PERMITTED_CAPS = 1ULL << 23,
76 SD_BUS_CREDS_INHERITABLE_CAPS = 1ULL << 24,
77 SD_BUS_CREDS_BOUNDING_CAPS = 1ULL << 25,
78 SD_BUS_CREDS_SELINUX_CONTEXT = 1ULL << 26,
79 SD_BUS_CREDS_AUDIT_SESSION_ID = 1ULL << 27,
80 SD_BUS_CREDS_AUDIT_LOGIN_UID = 1ULL << 28,
81 SD_BUS_CREDS_UNIQUE_NAME = 1ULL << 29,
82 SD_BUS_CREDS_WELL_KNOWN_NAMES = 1ULL << 30,
83 SD_BUS_CREDS_DESCRIPTION = 1ULL << 31,
84 SD_BUS_CREDS_AUGMENT = 1ULL << 63, /* special flag, if on sd-bus will augment creds struct, in a potentially race-full way. */
85 _SD_BUS_CREDS_ALL = (1ULL << 32) -1,
89 SD_BUS_NAME_REPLACE_EXISTING = 1ULL << 0,
90 SD_BUS_NAME_ALLOW_REPLACEMENT = 1ULL << 1,
91 SD_BUS_NAME_QUEUE = 1ULL << 2,
96 typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
97 typedef int (*sd_bus_property_get_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *ret_error);
98 typedef int (*sd_bus_property_set_t) (sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *value, void *userdata, sd_bus_error *ret_error);
99 typedef int (*sd_bus_object_find_t) (sd_bus *bus, const char *path, const char *interface, void *userdata, void **ret_found, sd_bus_error *ret_error);
100 typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, void *userdata, char ***ret_nodes, sd_bus_error *ret_error);
101 typedef int (*sd_bus_track_handler_t) (sd_bus_track *track, void *userdata);
103 #include "sd-bus-protocol.h"
104 #include "sd-bus-vtable.h"
108 int sd_bus_default(sd_bus **ret);
109 int sd_bus_default_user(sd_bus **ret);
110 int sd_bus_default_system(sd_bus **ret);
112 int sd_bus_open(sd_bus **ret);
113 int sd_bus_open_user(sd_bus **ret);
114 int sd_bus_open_system(sd_bus **ret);
115 int sd_bus_open_system_remote(sd_bus **ret, const char *host);
116 int sd_bus_open_system_container(sd_bus **ret, const char *machine);
118 int sd_bus_new(sd_bus **ret);
120 int sd_bus_set_address(sd_bus *bus, const char *address);
121 int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd);
122 int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]);
123 int sd_bus_get_address(sd_bus *bus, const char **address);
124 int sd_bus_set_bus_client(sd_bus *bus, int b);
125 int sd_bus_is_bus_client(sd_bus *bus);
126 int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t bus_id);
127 int sd_bus_is_server(sd_bus *bus);
128 int sd_bus_set_anonymous(sd_bus *bus, int b);
129 int sd_bus_is_anonymous(sd_bus *bus);
130 int sd_bus_set_trusted(sd_bus *bus, int b);
131 int sd_bus_is_trusted(sd_bus *bus);
132 int sd_bus_set_monitor(sd_bus *bus, int b);
133 int sd_bus_is_monitor(sd_bus *bus);
134 int sd_bus_set_description(sd_bus *bus, const char *description);
135 int sd_bus_get_description(sd_bus *bus, const char **description);
136 int sd_bus_negotiate_fds(sd_bus *bus, int b);
137 int sd_bus_can_send(sd_bus *bus, char type);
138 int sd_bus_negotiate_timestamp(sd_bus *bus, int b);
139 int sd_bus_negotiate_creds(sd_bus *bus, int b, uint64_t creds_mask);
140 int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *creds_mask);
142 int sd_bus_start(sd_bus *ret);
144 int sd_bus_try_close(sd_bus *bus);
145 void sd_bus_close(sd_bus *bus);
147 sd_bus *sd_bus_ref(sd_bus *bus);
148 sd_bus *sd_bus_unref(sd_bus *bus);
150 int sd_bus_is_open(sd_bus *bus);
152 int sd_bus_get_bus_id(sd_bus *bus, sd_id128_t *id);
153 int sd_bus_get_scope(sd_bus *bus, const char **scope);
154 int sd_bus_get_tid(sd_bus *bus, pid_t *tid);
155 int sd_bus_get_owner_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret);
157 int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *cookie);
158 int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie);
159 int sd_bus_call(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *ret_error, sd_bus_message **reply);
160 int sd_bus_call_async(sd_bus *bus, sd_bus_slot **slot, sd_bus_message *m, sd_bus_message_handler_t callback, void *userdata, uint64_t usec);
162 int sd_bus_get_fd(sd_bus *bus);
163 int sd_bus_get_events(sd_bus *bus);
164 int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec);
165 int sd_bus_process(sd_bus *bus, sd_bus_message **r);
166 int sd_bus_process_priority(sd_bus *bus, int64_t max_priority, sd_bus_message **r);
167 int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
168 int sd_bus_flush(sd_bus *bus);
170 sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus);
171 sd_bus_message* sd_bus_get_current_message(sd_bus *bus);
172 sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus);
173 void* sd_bus_get_current_userdata(sd_bus *bus);
175 int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
176 int sd_bus_detach_event(sd_bus *bus);
177 sd_event *sd_bus_get_event(sd_bus *bus);
179 int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata);
180 int sd_bus_add_match(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, void *userdata);
181 int sd_bus_add_object(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_message_handler_t callback, void *userdata);
182 int sd_bus_add_fallback(sd_bus *bus, sd_bus_slot **slot, const char *prefix, sd_bus_message_handler_t callback, void *userdata);
183 int sd_bus_add_object_vtable(sd_bus *bus, sd_bus_slot **slot, const char *path, const char *interface, const sd_bus_vtable *vtable, void *userdata);
184 int sd_bus_add_fallback_vtable(sd_bus *bus, sd_bus_slot **slot, const char *prefix, const char *interface, const sd_bus_vtable *vtable, sd_bus_object_find_t find, void *userdata);
185 int sd_bus_add_node_enumerator(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_node_enumerator_t callback, void *userdata);
186 int sd_bus_add_object_manager(sd_bus *bus, sd_bus_slot **slot, const char *path);
190 sd_bus_slot* sd_bus_slot_ref(sd_bus_slot *slot);
191 sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot);
193 sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot);
194 void *sd_bus_slot_get_userdata(sd_bus_slot *slot);
195 void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata);
196 int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description);
197 int sd_bus_slot_get_description(sd_bus_slot *slot, char **description);
199 sd_bus_message* sd_bus_slot_get_current_message(sd_bus_slot *slot);
200 sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *bus);
201 void *sd_bus_slot_get_current_userdata(sd_bus_slot *slot);
205 int sd_bus_message_new_signal(sd_bus *bus, sd_bus_message **m, const char *path, const char *interface, const char *member);
206 int sd_bus_message_new_method_call(sd_bus *bus, sd_bus_message **m, const char *destination, const char *path, const char *interface, const char *member);
207 int sd_bus_message_new_method_return(sd_bus_message *call, sd_bus_message **m);
208 int sd_bus_message_new_method_error(sd_bus_message *call, sd_bus_message **m, const sd_bus_error *e);
209 int sd_bus_message_new_method_errorf(sd_bus_message *call, sd_bus_message **m, const char *name, const char *format, ...) _sd_printf_(4, 5);
210 int sd_bus_message_new_method_errno(sd_bus_message *call, sd_bus_message **m, int error, const sd_bus_error *e);
211 int sd_bus_message_new_method_errnof(sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(4, 5);
213 sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
214 sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
216 int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type);
217 int sd_bus_message_get_cookie(sd_bus_message *m, uint64_t *cookie);
218 int sd_bus_message_get_reply_cookie(sd_bus_message *m, uint64_t *cookie);
219 int sd_bus_message_get_priority(sd_bus_message *m, int64_t *priority);
221 int sd_bus_message_get_expect_reply(sd_bus_message *m);
222 int sd_bus_message_get_auto_start(sd_bus_message *m);
223 int sd_bus_message_get_allow_interactive_authorization(sd_bus_message *m);
225 const char *sd_bus_message_get_signature(sd_bus_message *m, int complete);
226 const char *sd_bus_message_get_path(sd_bus_message *m);
227 const char *sd_bus_message_get_interface(sd_bus_message *m);
228 const char *sd_bus_message_get_member(sd_bus_message *m);
229 const char *sd_bus_message_get_destination(sd_bus_message *m);
230 const char *sd_bus_message_get_sender(sd_bus_message *m);
231 const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m);
232 int sd_bus_message_get_errno(sd_bus_message *m);
234 int sd_bus_message_get_monotonic_usec(sd_bus_message *m, uint64_t *usec);
235 int sd_bus_message_get_realtime_usec(sd_bus_message *m, uint64_t *usec);
236 int sd_bus_message_get_seqnum(sd_bus_message *m, uint64_t* seqnum);
238 sd_bus* sd_bus_message_get_bus(sd_bus_message *m);
239 sd_bus_creds *sd_bus_message_get_creds(sd_bus_message *m); /* do not unref the result */
241 int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member);
242 int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member);
243 int sd_bus_message_is_method_error(sd_bus_message *m, const char *name);
244 int sd_bus_message_is_empty(sd_bus_message *m);
245 int sd_bus_message_has_signature(sd_bus_message *m, const char *signature);
247 int sd_bus_message_set_expect_reply(sd_bus_message *m, int b);
248 int sd_bus_message_set_auto_start(sd_bus_message *m, int b);
249 int sd_bus_message_set_allow_interactive_authorization(sd_bus_message *m, int b);
251 int sd_bus_message_set_destination(sd_bus_message *m, const char *destination);
252 int sd_bus_message_set_priority(sd_bus_message *m, int64_t priority);
254 int sd_bus_message_append(sd_bus_message *m, const char *types, ...);
255 int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p);
256 int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size);
257 int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr);
258 int sd_bus_message_append_array_iovec(sd_bus_message *m, char type, const struct iovec *iov, unsigned n);
259 int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, int memfd);
260 int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s);
261 int sd_bus_message_append_string_iovec(sd_bus_message *m, const struct iovec *iov, unsigned n);
262 int sd_bus_message_append_string_memfd(sd_bus_message *m, int memfd);
263 int sd_bus_message_append_strv(sd_bus_message *m, char **l);
264 int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
265 int sd_bus_message_close_container(sd_bus_message *m);
266 int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all);
268 int sd_bus_message_read(sd_bus_message *m, const char *types, ...);
269 int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p);
270 int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size);
271 int sd_bus_message_read_strv(sd_bus_message *m, char ***l); /* free the result! */
272 int sd_bus_message_skip(sd_bus_message *m, const char *types);
273 int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents);
274 int sd_bus_message_exit_container(sd_bus_message *m);
275 int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
276 int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents);
277 int sd_bus_message_at_end(sd_bus_message *m, int complete);
278 int sd_bus_message_rewind(sd_bus_message *m, int complete);
282 int sd_bus_get_unique_name(sd_bus *bus, const char **unique);
283 int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags);
284 int sd_bus_release_name(sd_bus *bus, const char *name);
285 int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable); /* free the results */
286 int sd_bus_get_name_creds(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **creds); /* unref the result! */
287 int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine);
289 /* Convenience calls */
291 int sd_bus_call_method(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *types, ...);
292 int sd_bus_get_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, sd_bus_message **reply, const char *type);
293 int sd_bus_get_property_trivial(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char type, void *ret_ptr);
294 int sd_bus_get_property_string(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char **ret); /* free the result! */
295 int sd_bus_get_property_strv(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, char ***ret); /* free the result! */
296 int sd_bus_set_property(sd_bus *bus, const char *destination, const char *path, const char *interface, const char *member, sd_bus_error *ret_error, const char *ret_type, ...);
298 int sd_bus_reply_method_return(sd_bus_message *call, const char *types, ...);
299 int sd_bus_reply_method_error(sd_bus_message *call, const sd_bus_error *e);
300 int sd_bus_reply_method_errorf(sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_(3, 4);
301 int sd_bus_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *e);
302 int sd_bus_reply_method_errnof(sd_bus_message *call, int error, const char *format, ...) _sd_printf_(3, 4);
304 int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
306 int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names);
307 int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_;
309 int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces);
310 int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
311 int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces);
312 int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
314 int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_bus_creds **creds);
315 int sd_bus_query_sender_privilege(sd_bus_message *call, int capability);
317 /* Credential handling */
319 int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t creds_mask);
320 sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c);
321 sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c);
322 uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c);
324 int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid);
325 int sd_bus_creds_get_pid_starttime(sd_bus_creds *c, uint64_t *usec);
326 int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid);
327 int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid);
328 int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid);
329 int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid);
330 int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid);
331 int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid);
332 int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid);
333 int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid);
334 int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid);
335 int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids);
336 int sd_bus_creds_get_comm(sd_bus_creds *c, const char **comm);
337 int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **comm);
338 int sd_bus_creds_get_exe(sd_bus_creds *c, const char **exe);
339 int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline);
340 int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **cgroup);
341 int sd_bus_creds_get_unit(sd_bus_creds *c, const char **unit);
342 int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **unit);
343 int sd_bus_creds_get_slice(sd_bus_creds *c, const char **slice);
344 int sd_bus_creds_get_session(sd_bus_creds *c, const char **session);
345 int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid);
346 int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability);
347 int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability);
348 int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability);
349 int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability);
350 int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **context);
351 int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid);
352 int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *loginuid);
353 int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **name);
354 int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***names);
355 int sd_bus_creds_get_description(sd_bus_creds *c, const char **name);
357 /* Error structures */
359 struct sd_bus_name_error_mapping {
363 typedef struct sd_bus_name_error_mapping sd_bus_name_error_mapping;
365 #define SD_BUS_ERROR_MAKE_CONST(name, message) ((const sd_bus_error) {(name), (message), 0})
366 #define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE_CONST(NULL, NULL)
368 #ifndef SD_BUS_ERROR_MAPPING
369 # define _SD_BUS_ERROR_XCONCAT(x, y) x ## y
370 # define _SD_BUS_ERROR_CONCAT(x, y) _SD_BUS_ERROR_XCONCAT(x, y)
371 # define SD_BUS_ERROR_MAPPING(name) \
372 __attribute((__section__("sd_bus_errnomap"))) \
373 __attribute((__used__)) \
374 const sd_bus_name_error_mapping _SD_BUS_ERROR_CONCAT(_sd_bus_errno_mapping_, name)[]
375 # define SD_BUS_ERROR_MAPPING_USE(name) \
377 const sd_bus_name_error_mapping _SD_BUS_ERROR_CONCAT(_sd_bus_errno_mapping_, name)[]; \
378 __attribute((__used__)) \
379 static const sd_bus_name_error_mapping* \
380 _SD_BUS_ERROR_CONCAT(sd_bus_name_error_mapping_ref, __COUNTER__) \
381 = _SD_BUS_ERROR_CONCAT(_sd_bus_errno_mapping_, name);
385 void sd_bus_error_free(sd_bus_error *e);
386 int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message);
387 int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_(3, 4);
388 int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
389 int sd_bus_error_set_errno(sd_bus_error *e, int error);
390 int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_(3, 4);
391 int sd_bus_error_get_errno(const sd_bus_error *e);
392 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
393 int sd_bus_error_is_set(const sd_bus_error *e);
394 int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
396 /* Auxiliary macros */
398 #define SD_BUS_MESSAGE_APPEND_ID128(x) 16, \
399 (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], \
400 (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], \
401 (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], \
402 (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15]
404 #define SD_BUS_MESSAGE_READ_ID128(x) 16, \
405 &(x).bytes[0], &(x).bytes[1], &(x).bytes[2], &(x).bytes[3], \
406 &(x).bytes[4], &(x).bytes[5], &(x).bytes[6], &(x).bytes[7], \
407 &(x).bytes[8], &(x).bytes[9], &(x).bytes[10], &(x).bytes[11], \
408 &(x).bytes[12], &(x).bytes[13], &(x).bytes[14], &(x).bytes[15]
412 int sd_bus_path_encode(const char *prefix, const char *external_id, char **ret_path);
413 int sd_bus_path_decode(const char *path, const char *prefix, char **ret_external_id);
417 int sd_bus_track_new(sd_bus *bus, sd_bus_track **track, sd_bus_track_handler_t handler, void *userdata);
418 sd_bus_track* sd_bus_track_ref(sd_bus_track *track);
419 sd_bus_track* sd_bus_track_unref(sd_bus_track *track);
421 sd_bus* sd_bus_track_get_bus(sd_bus_track *track);
422 void *sd_bus_track_get_userdata(sd_bus_track *track);
423 void *sd_bus_track_set_userdata(sd_bus_track *track, void *userdata);
425 int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m);
426 int sd_bus_track_remove_sender(sd_bus_track *track, sd_bus_message *m);
427 int sd_bus_track_add_name(sd_bus_track *track, const char *name);
428 int sd_bus_track_remove_name(sd_bus_track *track, const char *name);
430 unsigned sd_bus_track_count(sd_bus_track *track);
431 const char* sd_bus_track_contains(sd_bus_track *track, const char *names);
432 const char* sd_bus_track_first(sd_bus_track *track);
433 const char* sd_bus_track_next(sd_bus_track *track);
435 _SD_END_DECLARATIONS;