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/>.
27 #include <sys/types.h>
32 #include "_sd-common.h"
34 _SD_BEGIN_DECLARATIONS;
38 typedef struct sd_bus sd_bus;
39 typedef struct sd_bus_message sd_bus_message;
40 typedef struct sd_bus_slot sd_bus_slot;
41 typedef struct sd_bus_creds sd_bus_creds;
42 typedef struct sd_bus_track sd_bus_track;
58 SD_BUS_CREDS_PID = 1ULL << 0,
59 SD_BUS_CREDS_TID = 1ULL << 1,
60 SD_BUS_CREDS_UID = 1ULL << 2,
61 SD_BUS_CREDS_EUID = 1ULL << 3,
62 SD_BUS_CREDS_SUID = 1ULL << 4,
63 SD_BUS_CREDS_FSUID = 1ULL << 5,
64 SD_BUS_CREDS_GID = 1ULL << 6,
65 SD_BUS_CREDS_EGID = 1ULL << 7,
66 SD_BUS_CREDS_SGID = 1ULL << 8,
67 SD_BUS_CREDS_FSGID = 1ULL << 9,
68 SD_BUS_CREDS_SUPPLEMENTARY_GIDS = 1ULL << 10,
69 SD_BUS_CREDS_COMM = 1ULL << 11,
70 SD_BUS_CREDS_TID_COMM = 1ULL << 12,
71 SD_BUS_CREDS_EXE = 1ULL << 13,
72 SD_BUS_CREDS_CMDLINE = 1ULL << 14,
73 SD_BUS_CREDS_CGROUP = 1ULL << 15,
74 SD_BUS_CREDS_UNIT = 1ULL << 16,
75 SD_BUS_CREDS_USER_UNIT = 1ULL << 17,
76 SD_BUS_CREDS_SLICE = 1ULL << 18,
77 SD_BUS_CREDS_SESSION = 1ULL << 19,
78 SD_BUS_CREDS_OWNER_UID = 1ULL << 20,
79 SD_BUS_CREDS_EFFECTIVE_CAPS = 1ULL << 21,
80 SD_BUS_CREDS_PERMITTED_CAPS = 1ULL << 22,
81 SD_BUS_CREDS_INHERITABLE_CAPS = 1ULL << 23,
82 SD_BUS_CREDS_BOUNDING_CAPS = 1ULL << 24,
83 SD_BUS_CREDS_SELINUX_CONTEXT = 1ULL << 25,
84 SD_BUS_CREDS_AUDIT_SESSION_ID = 1ULL << 26,
85 SD_BUS_CREDS_AUDIT_LOGIN_UID = 1ULL << 27,
86 SD_BUS_CREDS_UNIQUE_NAME = 1ULL << 28,
87 SD_BUS_CREDS_WELL_KNOWN_NAMES = 1ULL << 29,
88 SD_BUS_CREDS_DESCRIPTION = 1ULL << 30,
89 SD_BUS_CREDS_AUGMENT = 1ULL << 63, /* special flag, if on sd-bus will augment creds struct, in a potentially race-full way. */
90 _SD_BUS_CREDS_ALL = (1ULL << 32) -1,
94 SD_BUS_NAME_REPLACE_EXISTING = 1ULL << 0,
95 SD_BUS_NAME_ALLOW_REPLACEMENT = 1ULL << 1,
96 SD_BUS_NAME_QUEUE = 1ULL << 2,
101 typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
102 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);
103 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);
104 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);
105 typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, void *userdata, char ***ret_nodes, sd_bus_error *ret_error);
106 typedef int (*sd_bus_track_handler_t) (sd_bus_track *track, void *userdata);
108 #include "sd-bus-protocol.h"
109 #include "sd-bus-vtable.h"
113 int sd_bus_default(sd_bus **ret);
114 int sd_bus_default_user(sd_bus **ret);
115 int sd_bus_default_system(sd_bus **ret);
117 int sd_bus_open(sd_bus **ret);
118 int sd_bus_open_user(sd_bus **ret);
119 int sd_bus_open_system(sd_bus **ret);
120 int sd_bus_open_system_remote(sd_bus **ret, const char *host);
121 int sd_bus_open_system_machine(sd_bus **ret, const char *machine);
123 int sd_bus_new(sd_bus **ret);
125 int sd_bus_set_address(sd_bus *bus, const char *address);
126 int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd);
127 int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]);
128 int sd_bus_get_address(sd_bus *bus, const char **address);
129 int sd_bus_set_bus_client(sd_bus *bus, int b);
130 int sd_bus_is_bus_client(sd_bus *bus);
131 int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t bus_id);
132 int sd_bus_is_server(sd_bus *bus);
133 int sd_bus_set_anonymous(sd_bus *bus, int b);
134 int sd_bus_is_anonymous(sd_bus *bus);
135 int sd_bus_set_trusted(sd_bus *bus, int b);
136 int sd_bus_is_trusted(sd_bus *bus);
137 int sd_bus_set_monitor(sd_bus *bus, int b);
138 int sd_bus_is_monitor(sd_bus *bus);
139 int sd_bus_set_description(sd_bus *bus, const char *description);
140 int sd_bus_get_description(sd_bus *bus, const char **description);
141 int sd_bus_negotiate_fds(sd_bus *bus, int b);
142 int sd_bus_can_send(sd_bus *bus, char type);
143 int sd_bus_negotiate_timestamp(sd_bus *bus, int b);
144 int sd_bus_negotiate_creds(sd_bus *bus, int b, uint64_t creds_mask);
145 int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *creds_mask);
146 int sd_bus_set_allow_interactive_authorization(sd_bus *bus, int b);
147 int sd_bus_get_allow_interactive_authorization(sd_bus *bus);
149 int sd_bus_start(sd_bus *ret);
151 int sd_bus_try_close(sd_bus *bus);
152 void sd_bus_close(sd_bus *bus);
154 sd_bus *sd_bus_ref(sd_bus *bus);
155 sd_bus *sd_bus_unref(sd_bus *bus);
157 int sd_bus_is_open(sd_bus *bus);
159 int sd_bus_get_bus_id(sd_bus *bus, sd_id128_t *id);
160 int sd_bus_get_scope(sd_bus *bus, const char **scope);
161 int sd_bus_get_tid(sd_bus *bus, pid_t *tid);
162 int sd_bus_get_owner_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret);
164 int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *cookie);
165 int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie);
166 int sd_bus_call(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *ret_error, sd_bus_message **reply);
167 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);
169 int sd_bus_get_fd(sd_bus *bus);
170 int sd_bus_get_events(sd_bus *bus);
171 int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec);
172 int sd_bus_process(sd_bus *bus, sd_bus_message **r);
173 int sd_bus_process_priority(sd_bus *bus, int64_t max_priority, sd_bus_message **r);
174 int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
175 int sd_bus_flush(sd_bus *bus);
177 sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus);
178 sd_bus_message* sd_bus_get_current_message(sd_bus *bus);
179 sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus);
180 void* sd_bus_get_current_userdata(sd_bus *bus);
182 int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
183 int sd_bus_detach_event(sd_bus *bus);
184 sd_event *sd_bus_get_event(sd_bus *bus);
186 int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata);
187 int sd_bus_add_match(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, void *userdata);
188 int sd_bus_add_object(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_message_handler_t callback, void *userdata);
189 int sd_bus_add_fallback(sd_bus *bus, sd_bus_slot **slot, const char *prefix, sd_bus_message_handler_t callback, void *userdata);
190 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);
191 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);
192 int sd_bus_add_node_enumerator(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_node_enumerator_t callback, void *userdata);
193 int sd_bus_add_object_manager(sd_bus *bus, sd_bus_slot **slot, const char *path);
197 sd_bus_slot* sd_bus_slot_ref(sd_bus_slot *slot);
198 sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot);
200 sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot);
201 void *sd_bus_slot_get_userdata(sd_bus_slot *slot);
202 void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata);
203 int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description);
204 int sd_bus_slot_get_description(sd_bus_slot *slot, char **description);
206 sd_bus_message* sd_bus_slot_get_current_message(sd_bus_slot *slot);
207 sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *bus);
208 void *sd_bus_slot_get_current_userdata(sd_bus_slot *slot);
212 int sd_bus_message_new_signal(sd_bus *bus, sd_bus_message **m, const char *path, const char *interface, const char *member);
213 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);
214 int sd_bus_message_new_method_return(sd_bus_message *call, sd_bus_message **m);
215 int sd_bus_message_new_method_error(sd_bus_message *call, sd_bus_message **m, const sd_bus_error *e);
216 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);
217 int sd_bus_message_new_method_errno(sd_bus_message *call, sd_bus_message **m, int error, const sd_bus_error *e);
218 int sd_bus_message_new_method_errnof(sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(4, 5);
220 sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
221 sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
223 int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type);
224 int sd_bus_message_get_cookie(sd_bus_message *m, uint64_t *cookie);
225 int sd_bus_message_get_reply_cookie(sd_bus_message *m, uint64_t *cookie);
226 int sd_bus_message_get_priority(sd_bus_message *m, int64_t *priority);
228 int sd_bus_message_get_expect_reply(sd_bus_message *m);
229 int sd_bus_message_get_auto_start(sd_bus_message *m);
230 int sd_bus_message_get_allow_interactive_authorization(sd_bus_message *m);
232 const char *sd_bus_message_get_signature(sd_bus_message *m, int complete);
233 const char *sd_bus_message_get_path(sd_bus_message *m);
234 const char *sd_bus_message_get_interface(sd_bus_message *m);
235 const char *sd_bus_message_get_member(sd_bus_message *m);
236 const char *sd_bus_message_get_destination(sd_bus_message *m);
237 const char *sd_bus_message_get_sender(sd_bus_message *m);
238 const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m);
239 int sd_bus_message_get_errno(sd_bus_message *m);
241 int sd_bus_message_get_monotonic_usec(sd_bus_message *m, uint64_t *usec);
242 int sd_bus_message_get_realtime_usec(sd_bus_message *m, uint64_t *usec);
243 int sd_bus_message_get_seqnum(sd_bus_message *m, uint64_t* seqnum);
245 sd_bus* sd_bus_message_get_bus(sd_bus_message *m);
246 sd_bus_creds *sd_bus_message_get_creds(sd_bus_message *m); /* do not unref the result */
248 int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member);
249 int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member);
250 int sd_bus_message_is_method_error(sd_bus_message *m, const char *name);
251 int sd_bus_message_is_empty(sd_bus_message *m);
252 int sd_bus_message_has_signature(sd_bus_message *m, const char *signature);
254 int sd_bus_message_set_expect_reply(sd_bus_message *m, int b);
255 int sd_bus_message_set_auto_start(sd_bus_message *m, int b);
256 int sd_bus_message_set_allow_interactive_authorization(sd_bus_message *m, int b);
258 int sd_bus_message_set_destination(sd_bus_message *m, const char *destination);
259 int sd_bus_message_set_priority(sd_bus_message *m, int64_t priority);
261 int sd_bus_message_append(sd_bus_message *m, const char *types, ...);
262 int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p);
263 int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size);
264 int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr);
265 int sd_bus_message_append_array_iovec(sd_bus_message *m, char type, const struct iovec *iov, unsigned n);
266 int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, int memfd, uint64_t offset, uint64_t size);
267 int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s);
268 int sd_bus_message_append_string_iovec(sd_bus_message *m, const struct iovec *iov, unsigned n);
269 int sd_bus_message_append_string_memfd(sd_bus_message *m, int memfd, uint64_t offset, uint64_t size);
270 int sd_bus_message_append_strv(sd_bus_message *m, char **l);
271 int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
272 int sd_bus_message_close_container(sd_bus_message *m);
273 int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all);
275 int sd_bus_message_read(sd_bus_message *m, const char *types, ...);
276 int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p);
277 int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size);
278 int sd_bus_message_read_strv(sd_bus_message *m, char ***l); /* free the result! */
279 int sd_bus_message_skip(sd_bus_message *m, const char *types);
280 int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents);
281 int sd_bus_message_exit_container(sd_bus_message *m);
282 int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
283 int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents);
284 int sd_bus_message_at_end(sd_bus_message *m, int complete);
285 int sd_bus_message_rewind(sd_bus_message *m, int complete);
289 int sd_bus_get_unique_name(sd_bus *bus, const char **unique);
290 int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags);
291 int sd_bus_release_name(sd_bus *bus, const char *name);
292 int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable); /* free the results */
293 int sd_bus_get_name_creds(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **creds); /* unref the result! */
294 int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine);
296 /* Convenience calls */
298 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, ...);
299 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);
300 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);
301 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! */
302 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! */
303 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, ...);
305 int sd_bus_reply_method_return(sd_bus_message *call, const char *types, ...);
306 int sd_bus_reply_method_error(sd_bus_message *call, const sd_bus_error *e);
307 int sd_bus_reply_method_errorf(sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_(3, 4);
308 int sd_bus_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *e);
309 int sd_bus_reply_method_errnof(sd_bus_message *call, int error, const char *format, ...) _sd_printf_(3, 4);
311 int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
313 int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names);
314 int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_;
316 int sd_bus_emit_object_added(sd_bus *bus, const char *path);
317 int sd_bus_emit_object_removed(sd_bus *bus, const char *path);
318 int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces);
319 int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
320 int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces);
321 int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
323 int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_bus_creds **creds);
324 int sd_bus_query_sender_privilege(sd_bus_message *call, int capability);
326 /* Credential handling */
328 int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t creds_mask);
329 sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c);
330 sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c);
331 uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c);
333 int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid);
334 int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid);
335 int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid);
336 int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid);
337 int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid);
338 int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid);
339 int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid);
340 int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid);
341 int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid);
342 int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid);
343 int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids);
344 int sd_bus_creds_get_comm(sd_bus_creds *c, const char **comm);
345 int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **comm);
346 int sd_bus_creds_get_exe(sd_bus_creds *c, const char **exe);
347 int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline);
348 int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **cgroup);
349 int sd_bus_creds_get_unit(sd_bus_creds *c, const char **unit);
350 int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **unit);
351 int sd_bus_creds_get_slice(sd_bus_creds *c, const char **slice);
352 int sd_bus_creds_get_session(sd_bus_creds *c, const char **session);
353 int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid);
354 int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability);
355 int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability);
356 int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability);
357 int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability);
358 int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **context);
359 int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid);
360 int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *loginuid);
361 int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **name);
362 int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***names);
363 int sd_bus_creds_get_description(sd_bus_creds *c, const char **name);
365 /* Error structures */
367 #define SD_BUS_ERROR_MAKE_CONST(name, message) ((const sd_bus_error) {(name), (message), 0})
368 #define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE_CONST(NULL, NULL)
370 void sd_bus_error_free(sd_bus_error *e);
371 int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message);
372 int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_(3, 4);
373 int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
374 int sd_bus_error_set_errno(sd_bus_error *e, int error);
375 int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_(3, 4);
376 int sd_bus_error_set_errnofv(sd_bus_error *e, int error, const char *format, va_list ap) _sd_printf_(3,0);
377 int sd_bus_error_get_errno(const sd_bus_error *e);
378 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
379 int sd_bus_error_is_set(const sd_bus_error *e);
380 int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
382 #define SD_BUS_ERROR_MAP(_name, _code) \
387 #define SD_BUS_ERROR_MAP_END \
393 int sd_bus_error_add_map(const sd_bus_error_map *map);
395 /* Auxiliary macros */
397 #define SD_BUS_MESSAGE_APPEND_ID128(x) 16, \
398 (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], \
399 (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], \
400 (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], \
401 (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15]
403 #define SD_BUS_MESSAGE_READ_ID128(x) 16, \
404 &(x).bytes[0], &(x).bytes[1], &(x).bytes[2], &(x).bytes[3], \
405 &(x).bytes[4], &(x).bytes[5], &(x).bytes[6], &(x).bytes[7], \
406 &(x).bytes[8], &(x).bytes[9], &(x).bytes[10], &(x).bytes[11], \
407 &(x).bytes[12], &(x).bytes[13], &(x).bytes[14], &(x).bytes[15]
411 int sd_bus_path_encode(const char *prefix, const char *external_id, char **ret_path);
412 int sd_bus_path_decode(const char *path, const char *prefix, char **ret_external_id);
416 int sd_bus_track_new(sd_bus *bus, sd_bus_track **track, sd_bus_track_handler_t handler, void *userdata);
417 sd_bus_track* sd_bus_track_ref(sd_bus_track *track);
418 sd_bus_track* sd_bus_track_unref(sd_bus_track *track);
420 sd_bus* sd_bus_track_get_bus(sd_bus_track *track);
421 void *sd_bus_track_get_userdata(sd_bus_track *track);
422 void *sd_bus_track_set_userdata(sd_bus_track *track, void *userdata);
424 int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m);
425 int sd_bus_track_remove_sender(sd_bus_track *track, sd_bus_message *m);
426 int sd_bus_track_add_name(sd_bus_track *track, const char *name);
427 int sd_bus_track_remove_name(sd_bus_track *track, const char *name);
429 unsigned sd_bus_track_count(sd_bus_track *track);
430 const char* sd_bus_track_contains(sd_bus_track *track, const char *names);
431 const char* sd_bus_track_first(sd_bus_track *track);
432 const char* sd_bus_track_next(sd_bus_track *track);
434 _SD_END_DECLARATIONS;