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_PPID = 1ULL << 2,
61 SD_BUS_CREDS_UID = 1ULL << 3,
62 SD_BUS_CREDS_EUID = 1ULL << 4,
63 SD_BUS_CREDS_SUID = 1ULL << 5,
64 SD_BUS_CREDS_FSUID = 1ULL << 6,
65 SD_BUS_CREDS_GID = 1ULL << 7,
66 SD_BUS_CREDS_EGID = 1ULL << 8,
67 SD_BUS_CREDS_SGID = 1ULL << 9,
68 SD_BUS_CREDS_FSGID = 1ULL << 10,
69 SD_BUS_CREDS_SUPPLEMENTARY_GIDS = 1ULL << 11,
70 SD_BUS_CREDS_COMM = 1ULL << 12,
71 SD_BUS_CREDS_TID_COMM = 1ULL << 13,
72 SD_BUS_CREDS_EXE = 1ULL << 14,
73 SD_BUS_CREDS_CMDLINE = 1ULL << 15,
74 SD_BUS_CREDS_CGROUP = 1ULL << 16,
75 SD_BUS_CREDS_UNIT = 1ULL << 17,
76 SD_BUS_CREDS_USER_UNIT = 1ULL << 18,
77 SD_BUS_CREDS_SLICE = 1ULL << 19,
78 SD_BUS_CREDS_SESSION = 1ULL << 20,
79 SD_BUS_CREDS_OWNER_UID = 1ULL << 21,
80 SD_BUS_CREDS_EFFECTIVE_CAPS = 1ULL << 22,
81 SD_BUS_CREDS_PERMITTED_CAPS = 1ULL << 23,
82 SD_BUS_CREDS_INHERITABLE_CAPS = 1ULL << 24,
83 SD_BUS_CREDS_BOUNDING_CAPS = 1ULL << 25,
84 SD_BUS_CREDS_SELINUX_CONTEXT = 1ULL << 26,
85 SD_BUS_CREDS_AUDIT_SESSION_ID = 1ULL << 27,
86 SD_BUS_CREDS_AUDIT_LOGIN_UID = 1ULL << 28,
87 SD_BUS_CREDS_UNIQUE_NAME = 1ULL << 29,
88 SD_BUS_CREDS_WELL_KNOWN_NAMES = 1ULL << 30,
89 SD_BUS_CREDS_DESCRIPTION = 1ULL << 31,
90 SD_BUS_CREDS_AUGMENT = 1ULL << 63, /* special flag, if on sd-bus will augment creds struct, in a potentially race-full way. */
91 _SD_BUS_CREDS_ALL = (1ULL << 32) -1,
95 SD_BUS_NAME_REPLACE_EXISTING = 1ULL << 0,
96 SD_BUS_NAME_ALLOW_REPLACEMENT = 1ULL << 1,
97 SD_BUS_NAME_QUEUE = 1ULL << 2,
102 typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
103 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);
104 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);
105 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);
106 typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, void *userdata, char ***ret_nodes, sd_bus_error *ret_error);
107 typedef int (*sd_bus_track_handler_t) (sd_bus_track *track, void *userdata);
109 #include "sd-bus-protocol.h"
110 #include "sd-bus-vtable.h"
114 int sd_bus_default(sd_bus **ret);
115 int sd_bus_default_user(sd_bus **ret);
116 int sd_bus_default_system(sd_bus **ret);
118 int sd_bus_open(sd_bus **ret);
119 int sd_bus_open_user(sd_bus **ret);
120 int sd_bus_open_system(sd_bus **ret);
121 int sd_bus_open_system_remote(sd_bus **ret, const char *host);
122 int sd_bus_open_system_machine(sd_bus **ret, const char *machine);
124 int sd_bus_new(sd_bus **ret);
126 int sd_bus_set_address(sd_bus *bus, const char *address);
127 int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd);
128 int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]);
129 int sd_bus_get_address(sd_bus *bus, const char **address);
130 int sd_bus_set_bus_client(sd_bus *bus, int b);
131 int sd_bus_is_bus_client(sd_bus *bus);
132 int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t bus_id);
133 int sd_bus_is_server(sd_bus *bus);
134 int sd_bus_set_anonymous(sd_bus *bus, int b);
135 int sd_bus_is_anonymous(sd_bus *bus);
136 int sd_bus_set_trusted(sd_bus *bus, int b);
137 int sd_bus_is_trusted(sd_bus *bus);
138 int sd_bus_set_monitor(sd_bus *bus, int b);
139 int sd_bus_is_monitor(sd_bus *bus);
140 int sd_bus_set_description(sd_bus *bus, const char *description);
141 int sd_bus_get_description(sd_bus *bus, const char **description);
142 int sd_bus_negotiate_fds(sd_bus *bus, int b);
143 int sd_bus_can_send(sd_bus *bus, char type);
144 int sd_bus_negotiate_timestamp(sd_bus *bus, int b);
145 int sd_bus_negotiate_creds(sd_bus *bus, int b, uint64_t creds_mask);
146 int sd_bus_get_creds_mask(sd_bus *bus, uint64_t *creds_mask);
147 int sd_bus_set_allow_interactive_authorization(sd_bus *bus, int b);
148 int sd_bus_get_allow_interactive_authorization(sd_bus *bus);
150 int sd_bus_start(sd_bus *ret);
152 int sd_bus_try_close(sd_bus *bus);
153 void sd_bus_close(sd_bus *bus);
155 sd_bus *sd_bus_ref(sd_bus *bus);
156 sd_bus *sd_bus_unref(sd_bus *bus);
158 int sd_bus_is_open(sd_bus *bus);
160 int sd_bus_get_bus_id(sd_bus *bus, sd_id128_t *id);
161 int sd_bus_get_scope(sd_bus *bus, const char **scope);
162 int sd_bus_get_tid(sd_bus *bus, pid_t *tid);
163 int sd_bus_get_owner_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret);
165 int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *cookie);
166 int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie);
167 int sd_bus_call(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *ret_error, sd_bus_message **reply);
168 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);
170 int sd_bus_get_fd(sd_bus *bus);
171 int sd_bus_get_events(sd_bus *bus);
172 int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec);
173 int sd_bus_process(sd_bus *bus, sd_bus_message **r);
174 int sd_bus_process_priority(sd_bus *bus, int64_t max_priority, sd_bus_message **r);
175 int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
176 int sd_bus_flush(sd_bus *bus);
178 sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus);
179 sd_bus_message* sd_bus_get_current_message(sd_bus *bus);
180 sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus);
181 void* sd_bus_get_current_userdata(sd_bus *bus);
183 int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
184 int sd_bus_detach_event(sd_bus *bus);
185 sd_event *sd_bus_get_event(sd_bus *bus);
187 int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata);
188 int sd_bus_add_match(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, void *userdata);
189 int sd_bus_add_object(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_message_handler_t callback, void *userdata);
190 int sd_bus_add_fallback(sd_bus *bus, sd_bus_slot **slot, const char *prefix, sd_bus_message_handler_t callback, void *userdata);
191 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);
192 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);
193 int sd_bus_add_node_enumerator(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_node_enumerator_t callback, void *userdata);
194 int sd_bus_add_object_manager(sd_bus *bus, sd_bus_slot **slot, const char *path);
198 sd_bus_slot* sd_bus_slot_ref(sd_bus_slot *slot);
199 sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot);
201 sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot);
202 void *sd_bus_slot_get_userdata(sd_bus_slot *slot);
203 void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata);
204 int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description);
205 int sd_bus_slot_get_description(sd_bus_slot *slot, char **description);
207 sd_bus_message* sd_bus_slot_get_current_message(sd_bus_slot *slot);
208 sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *bus);
209 void *sd_bus_slot_get_current_userdata(sd_bus_slot *slot);
213 int sd_bus_message_new_signal(sd_bus *bus, sd_bus_message **m, const char *path, const char *interface, const char *member);
214 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);
215 int sd_bus_message_new_method_return(sd_bus_message *call, sd_bus_message **m);
216 int sd_bus_message_new_method_error(sd_bus_message *call, sd_bus_message **m, const sd_bus_error *e);
217 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);
218 int sd_bus_message_new_method_errno(sd_bus_message *call, sd_bus_message **m, int error, const sd_bus_error *e);
219 int sd_bus_message_new_method_errnof(sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(4, 5);
221 sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
222 sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
224 int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type);
225 int sd_bus_message_get_cookie(sd_bus_message *m, uint64_t *cookie);
226 int sd_bus_message_get_reply_cookie(sd_bus_message *m, uint64_t *cookie);
227 int sd_bus_message_get_priority(sd_bus_message *m, int64_t *priority);
229 int sd_bus_message_get_expect_reply(sd_bus_message *m);
230 int sd_bus_message_get_auto_start(sd_bus_message *m);
231 int sd_bus_message_get_allow_interactive_authorization(sd_bus_message *m);
233 const char *sd_bus_message_get_signature(sd_bus_message *m, int complete);
234 const char *sd_bus_message_get_path(sd_bus_message *m);
235 const char *sd_bus_message_get_interface(sd_bus_message *m);
236 const char *sd_bus_message_get_member(sd_bus_message *m);
237 const char *sd_bus_message_get_destination(sd_bus_message *m);
238 const char *sd_bus_message_get_sender(sd_bus_message *m);
239 const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m);
240 int sd_bus_message_get_errno(sd_bus_message *m);
242 int sd_bus_message_get_monotonic_usec(sd_bus_message *m, uint64_t *usec);
243 int sd_bus_message_get_realtime_usec(sd_bus_message *m, uint64_t *usec);
244 int sd_bus_message_get_seqnum(sd_bus_message *m, uint64_t* seqnum);
246 sd_bus* sd_bus_message_get_bus(sd_bus_message *m);
247 sd_bus_creds *sd_bus_message_get_creds(sd_bus_message *m); /* do not unref the result */
249 int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member);
250 int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member);
251 int sd_bus_message_is_method_error(sd_bus_message *m, const char *name);
252 int sd_bus_message_is_empty(sd_bus_message *m);
253 int sd_bus_message_has_signature(sd_bus_message *m, const char *signature);
255 int sd_bus_message_set_expect_reply(sd_bus_message *m, int b);
256 int sd_bus_message_set_auto_start(sd_bus_message *m, int b);
257 int sd_bus_message_set_allow_interactive_authorization(sd_bus_message *m, int b);
259 int sd_bus_message_set_destination(sd_bus_message *m, const char *destination);
260 int sd_bus_message_set_priority(sd_bus_message *m, int64_t priority);
262 int sd_bus_message_append(sd_bus_message *m, const char *types, ...);
263 int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p);
264 int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size);
265 int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr);
266 int sd_bus_message_append_array_iovec(sd_bus_message *m, char type, const struct iovec *iov, unsigned n);
267 int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, int memfd, uint64_t offset, uint64_t size);
268 int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s);
269 int sd_bus_message_append_string_iovec(sd_bus_message *m, const struct iovec *iov, unsigned n);
270 int sd_bus_message_append_string_memfd(sd_bus_message *m, int memfd, uint64_t offset, uint64_t size);
271 int sd_bus_message_append_strv(sd_bus_message *m, char **l);
272 int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
273 int sd_bus_message_close_container(sd_bus_message *m);
274 int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all);
276 int sd_bus_message_read(sd_bus_message *m, const char *types, ...);
277 int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p);
278 int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size);
279 int sd_bus_message_read_strv(sd_bus_message *m, char ***l); /* free the result! */
280 int sd_bus_message_skip(sd_bus_message *m, const char *types);
281 int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents);
282 int sd_bus_message_exit_container(sd_bus_message *m);
283 int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
284 int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents);
285 int sd_bus_message_at_end(sd_bus_message *m, int complete);
286 int sd_bus_message_rewind(sd_bus_message *m, int complete);
290 int sd_bus_get_unique_name(sd_bus *bus, const char **unique);
291 int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags);
292 int sd_bus_release_name(sd_bus *bus, const char *name);
293 int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable); /* free the results */
294 int sd_bus_get_name_creds(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **creds); /* unref the result! */
295 int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine);
297 /* Convenience calls */
299 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, ...);
300 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);
301 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);
302 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! */
303 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! */
304 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, ...);
306 int sd_bus_reply_method_return(sd_bus_message *call, const char *types, ...);
307 int sd_bus_reply_method_error(sd_bus_message *call, const sd_bus_error *e);
308 int sd_bus_reply_method_errorf(sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_(3, 4);
309 int sd_bus_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *e);
310 int sd_bus_reply_method_errnof(sd_bus_message *call, int error, const char *format, ...) _sd_printf_(3, 4);
312 int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
314 int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names);
315 int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_;
317 int sd_bus_emit_object_added(sd_bus *bus, const char *path);
318 int sd_bus_emit_object_removed(sd_bus *bus, const char *path);
319 int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces);
320 int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
321 int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces);
322 int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
324 int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_bus_creds **creds);
325 int sd_bus_query_sender_privilege(sd_bus_message *call, int capability);
327 /* Credential handling */
329 int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t creds_mask);
330 sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c);
331 sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c);
332 uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c);
333 uint64_t sd_bus_creds_get_augmented_mask(const sd_bus_creds *c);
335 int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid);
336 int sd_bus_creds_get_ppid(sd_bus_creds *c, pid_t *ppid);
337 int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid);
338 int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid);
339 int sd_bus_creds_get_euid(sd_bus_creds *c, uid_t *euid);
340 int sd_bus_creds_get_suid(sd_bus_creds *c, uid_t *suid);
341 int sd_bus_creds_get_fsuid(sd_bus_creds *c, uid_t *fsuid);
342 int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid);
343 int sd_bus_creds_get_egid(sd_bus_creds *c, gid_t *egid);
344 int sd_bus_creds_get_sgid(sd_bus_creds *c, gid_t *sgid);
345 int sd_bus_creds_get_fsgid(sd_bus_creds *c, gid_t *fsgid);
346 int sd_bus_creds_get_supplementary_gids(sd_bus_creds *c, const gid_t **gids);
347 int sd_bus_creds_get_comm(sd_bus_creds *c, const char **comm);
348 int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **comm);
349 int sd_bus_creds_get_exe(sd_bus_creds *c, const char **exe);
350 int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline);
351 int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **cgroup);
352 int sd_bus_creds_get_unit(sd_bus_creds *c, const char **unit);
353 int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **unit);
354 int sd_bus_creds_get_slice(sd_bus_creds *c, const char **slice);
355 int sd_bus_creds_get_session(sd_bus_creds *c, const char **session);
356 int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid);
357 int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability);
358 int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability);
359 int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability);
360 int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability);
361 int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **context);
362 int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid);
363 int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *loginuid);
364 int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **name);
365 int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***names);
366 int sd_bus_creds_get_description(sd_bus_creds *c, const char **name);
368 /* Error structures */
370 #define SD_BUS_ERROR_MAKE_CONST(name, message) ((const sd_bus_error) {(name), (message), 0})
371 #define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE_CONST(NULL, NULL)
373 void sd_bus_error_free(sd_bus_error *e);
374 int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message);
375 int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_(3, 4);
376 int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
377 int sd_bus_error_set_errno(sd_bus_error *e, int error);
378 int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_(3, 4);
379 int sd_bus_error_set_errnofv(sd_bus_error *e, int error, const char *format, va_list ap) _sd_printf_(3,0);
380 int sd_bus_error_get_errno(const sd_bus_error *e);
381 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
382 int sd_bus_error_is_set(const sd_bus_error *e);
383 int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
385 #define SD_BUS_ERROR_MAP(_name, _code) \
390 #define SD_BUS_ERROR_MAP_END \
396 int sd_bus_error_add_map(const sd_bus_error_map *map);
398 /* Auxiliary macros */
400 #define SD_BUS_MESSAGE_APPEND_ID128(x) 16, \
401 (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], \
402 (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], \
403 (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], \
404 (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15]
406 #define SD_BUS_MESSAGE_READ_ID128(x) 16, \
407 &(x).bytes[0], &(x).bytes[1], &(x).bytes[2], &(x).bytes[3], \
408 &(x).bytes[4], &(x).bytes[5], &(x).bytes[6], &(x).bytes[7], \
409 &(x).bytes[8], &(x).bytes[9], &(x).bytes[10], &(x).bytes[11], \
410 &(x).bytes[12], &(x).bytes[13], &(x).bytes[14], &(x).bytes[15]
414 int sd_bus_path_encode(const char *prefix, const char *external_id, char **ret_path);
415 int sd_bus_path_decode(const char *path, const char *prefix, char **ret_external_id);
419 int sd_bus_track_new(sd_bus *bus, sd_bus_track **track, sd_bus_track_handler_t handler, void *userdata);
420 sd_bus_track* sd_bus_track_ref(sd_bus_track *track);
421 sd_bus_track* sd_bus_track_unref(sd_bus_track *track);
423 sd_bus* sd_bus_track_get_bus(sd_bus_track *track);
424 void *sd_bus_track_get_userdata(sd_bus_track *track);
425 void *sd_bus_track_set_userdata(sd_bus_track *track, void *userdata);
427 int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m);
428 int sd_bus_track_remove_sender(sd_bus_track *track, sd_bus_message *m);
429 int sd_bus_track_add_name(sd_bus_track *track, const char *name);
430 int sd_bus_track_remove_name(sd_bus_track *track, const char *name);
432 unsigned sd_bus_track_count(sd_bus_track *track);
433 const char* sd_bus_track_contains(sd_bus_track *track, const char *names);
434 const char* sd_bus_track_first(sd_bus_track *track);
435 const char* sd_bus_track_next(sd_bus_track *track);
437 _SD_END_DECLARATIONS;