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_GID = 1ULL << 4,
57 SD_BUS_CREDS_COMM = 1ULL << 5,
58 SD_BUS_CREDS_TID_COMM = 1ULL << 6,
59 SD_BUS_CREDS_EXE = 1ULL << 7,
60 SD_BUS_CREDS_CMDLINE = 1ULL << 8,
61 SD_BUS_CREDS_CGROUP = 1ULL << 9,
62 SD_BUS_CREDS_UNIT = 1ULL << 10,
63 SD_BUS_CREDS_USER_UNIT = 1ULL << 11,
64 SD_BUS_CREDS_SLICE = 1ULL << 12,
65 SD_BUS_CREDS_SESSION = 1ULL << 13,
66 SD_BUS_CREDS_OWNER_UID = 1ULL << 14,
67 SD_BUS_CREDS_EFFECTIVE_CAPS = 1ULL << 15,
68 SD_BUS_CREDS_PERMITTED_CAPS = 1ULL << 16,
69 SD_BUS_CREDS_INHERITABLE_CAPS = 1ULL << 17,
70 SD_BUS_CREDS_BOUNDING_CAPS = 1ULL << 18,
71 SD_BUS_CREDS_SELINUX_CONTEXT = 1ULL << 19,
72 SD_BUS_CREDS_AUDIT_SESSION_ID = 1ULL << 20,
73 SD_BUS_CREDS_AUDIT_LOGIN_UID = 1ULL << 21,
74 SD_BUS_CREDS_UNIQUE_NAME = 1ULL << 22,
75 SD_BUS_CREDS_WELL_KNOWN_NAMES = 1ULL << 23,
76 SD_BUS_CREDS_DESCRIPTION = 1ULL << 24,
77 _SD_BUS_CREDS_ALL = (1ULL << 25) -1,
81 SD_BUS_NAME_REPLACE_EXISTING = 1ULL << 0,
82 SD_BUS_NAME_ALLOW_REPLACEMENT = 1ULL << 1,
83 SD_BUS_NAME_QUEUE = 1ULL << 2,
88 typedef int (*sd_bus_message_handler_t)(sd_bus *bus, sd_bus_message *m, void *userdata, sd_bus_error *ret_error);
89 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);
90 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);
91 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);
92 typedef int (*sd_bus_node_enumerator_t) (sd_bus *bus, const char *path, void *userdata, char ***ret_nodes, sd_bus_error *ret_error);
93 typedef int (*sd_bus_track_handler_t) (sd_bus_track *track, void *userdata);
95 #include "sd-bus-protocol.h"
96 #include "sd-bus-vtable.h"
100 int sd_bus_default(sd_bus **ret);
101 int sd_bus_default_user(sd_bus **ret);
102 int sd_bus_default_system(sd_bus **ret);
104 int sd_bus_open(sd_bus **ret);
105 int sd_bus_open_user(sd_bus **ret);
106 int sd_bus_open_system(sd_bus **ret);
107 int sd_bus_open_system_remote(sd_bus **ret, const char *host);
108 int sd_bus_open_system_container(sd_bus **ret, const char *machine);
110 int sd_bus_new(sd_bus **ret);
111 int sd_bus_set_address(sd_bus *bus, const char *address);
112 int sd_bus_set_fd(sd_bus *bus, int input_fd, int output_fd);
113 int sd_bus_set_exec(sd_bus *bus, const char *path, char *const argv[]);
114 int sd_bus_set_bus_client(sd_bus *bus, int b);
115 int sd_bus_set_server(sd_bus *bus, int b, sd_id128_t owner_id);
116 int sd_bus_set_anonymous(sd_bus *bus, int b);
117 int sd_bus_set_trusted(sd_bus *bus, int b);
118 int sd_bus_set_description(sd_bus *bus, const char *description);
119 int sd_bus_set_monitor(sd_bus *bus, int b);
120 int sd_bus_negotiate_fds(sd_bus *bus, int b);
121 int sd_bus_negotiate_timestamp(sd_bus *bus, int b);
122 int sd_bus_negotiate_creds(sd_bus *bus, uint64_t creds_mask);
123 int sd_bus_start(sd_bus *ret);
125 int sd_bus_try_close(sd_bus *bus);
126 void sd_bus_close(sd_bus *bus);
128 sd_bus *sd_bus_ref(sd_bus *bus);
129 sd_bus *sd_bus_unref(sd_bus *bus);
131 int sd_bus_is_open(sd_bus *bus);
132 int sd_bus_can_send(sd_bus *bus, char type);
133 int sd_bus_get_owner_id(sd_bus *bus, sd_id128_t *id);
134 int sd_bus_get_owner_creds(sd_bus *bus, uint64_t creds_mask, sd_bus_creds **ret);
135 int sd_bus_get_description(sd_bus *bus, const char **description);
136 int sd_bus_get_tid(sd_bus *bus, pid_t *tid);
138 int sd_bus_send(sd_bus *bus, sd_bus_message *m, uint64_t *cookie);
139 int sd_bus_send_to(sd_bus *bus, sd_bus_message *m, const char *destination, uint64_t *cookie);
140 int sd_bus_call(sd_bus *bus, sd_bus_message *m, uint64_t usec, sd_bus_error *ret_error, sd_bus_message **reply);
141 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);
143 int sd_bus_get_fd(sd_bus *bus);
144 int sd_bus_get_events(sd_bus *bus);
145 int sd_bus_get_timeout(sd_bus *bus, uint64_t *timeout_usec);
146 int sd_bus_process(sd_bus *bus, sd_bus_message **r);
147 int sd_bus_process_priority(sd_bus *bus, int64_t max_priority, sd_bus_message **r);
148 int sd_bus_wait(sd_bus *bus, uint64_t timeout_usec);
149 int sd_bus_flush(sd_bus *bus);
151 sd_bus_slot* sd_bus_get_current_slot(sd_bus *bus);
152 sd_bus_message* sd_bus_get_current_message(sd_bus *bus);
153 sd_bus_message_handler_t sd_bus_get_current_handler(sd_bus *bus);
154 void* sd_bus_get_current_userdata(sd_bus *bus);
156 int sd_bus_attach_event(sd_bus *bus, sd_event *e, int priority);
157 int sd_bus_detach_event(sd_bus *bus);
158 sd_event *sd_bus_get_event(sd_bus *bus);
160 int sd_bus_add_filter(sd_bus *bus, sd_bus_slot **slot, sd_bus_message_handler_t callback, void *userdata);
161 int sd_bus_add_match(sd_bus *bus, sd_bus_slot **slot, const char *match, sd_bus_message_handler_t callback, void *userdata);
162 int sd_bus_add_object(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_message_handler_t callback, void *userdata);
163 int sd_bus_add_fallback(sd_bus *bus, sd_bus_slot **slot, const char *prefix, sd_bus_message_handler_t callback, void *userdata);
164 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);
165 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);
166 int sd_bus_add_node_enumerator(sd_bus *bus, sd_bus_slot **slot, const char *path, sd_bus_node_enumerator_t callback, void *userdata);
167 int sd_bus_add_object_manager(sd_bus *bus, sd_bus_slot **slot, const char *path);
171 sd_bus_slot* sd_bus_slot_ref(sd_bus_slot *slot);
172 sd_bus_slot* sd_bus_slot_unref(sd_bus_slot *slot);
174 sd_bus* sd_bus_slot_get_bus(sd_bus_slot *slot);
175 void *sd_bus_slot_get_userdata(sd_bus_slot *slot);
176 void *sd_bus_slot_set_userdata(sd_bus_slot *slot, void *userdata);
177 int sd_bus_slot_set_description(sd_bus_slot *slot, const char *description);
178 int sd_bus_slot_get_description(sd_bus_slot *slot, char **description);
180 sd_bus_message* sd_bus_slot_get_current_message(sd_bus_slot *slot);
181 sd_bus_message_handler_t sd_bus_slot_get_current_handler(sd_bus_slot *bus);
182 void *sd_bus_slot_get_current_userdata(sd_bus_slot *slot);
186 int sd_bus_message_new_signal(sd_bus *bus, sd_bus_message **m, const char *path, const char *interface, const char *member);
187 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);
188 int sd_bus_message_new_method_return(sd_bus_message *call, sd_bus_message **m);
189 int sd_bus_message_new_method_error(sd_bus_message *call, sd_bus_message **m, const sd_bus_error *e);
190 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);
191 int sd_bus_message_new_method_errno(sd_bus_message *call, sd_bus_message **m, int error, const sd_bus_error *e);
192 int sd_bus_message_new_method_errnof(sd_bus_message *call, sd_bus_message **m, int error, const char *format, ...) _sd_printf_(4, 5);
194 sd_bus_message* sd_bus_message_ref(sd_bus_message *m);
195 sd_bus_message* sd_bus_message_unref(sd_bus_message *m);
197 int sd_bus_message_get_type(sd_bus_message *m, uint8_t *type);
198 int sd_bus_message_get_cookie(sd_bus_message *m, uint64_t *cookie);
199 int sd_bus_message_get_reply_cookie(sd_bus_message *m, uint64_t *cookie);
200 int sd_bus_message_get_priority(sd_bus_message *m, int64_t *priority);
202 int sd_bus_message_get_expect_reply(sd_bus_message *m);
203 int sd_bus_message_get_auto_start(sd_bus_message *m);
204 int sd_bus_message_get_allow_interactive_authorization(sd_bus_message *m);
206 const char *sd_bus_message_get_signature(sd_bus_message *m, int complete);
207 const char *sd_bus_message_get_path(sd_bus_message *m);
208 const char *sd_bus_message_get_interface(sd_bus_message *m);
209 const char *sd_bus_message_get_member(sd_bus_message *m);
210 const char *sd_bus_message_get_destination(sd_bus_message *m);
211 const char *sd_bus_message_get_sender(sd_bus_message *m);
212 const sd_bus_error *sd_bus_message_get_error(sd_bus_message *m);
213 int sd_bus_message_get_errno(sd_bus_message *m);
215 int sd_bus_message_get_monotonic_usec(sd_bus_message *m, uint64_t *usec);
216 int sd_bus_message_get_realtime_usec(sd_bus_message *m, uint64_t *usec);
217 int sd_bus_message_get_seqnum(sd_bus_message *m, uint64_t* seqnum);
219 sd_bus* sd_bus_message_get_bus(sd_bus_message *m);
220 sd_bus_creds *sd_bus_message_get_creds(sd_bus_message *m); /* do not unref the result */
222 int sd_bus_message_is_signal(sd_bus_message *m, const char *interface, const char *member);
223 int sd_bus_message_is_method_call(sd_bus_message *m, const char *interface, const char *member);
224 int sd_bus_message_is_method_error(sd_bus_message *m, const char *name);
226 int sd_bus_message_set_expect_reply(sd_bus_message *m, int b);
227 int sd_bus_message_set_auto_start(sd_bus_message *m, int b);
228 int sd_bus_message_set_allow_interactive_authorization(sd_bus_message *m, int b);
230 int sd_bus_message_set_destination(sd_bus_message *m, const char *destination);
231 int sd_bus_message_set_priority(sd_bus_message *m, int64_t priority);
233 int sd_bus_message_append(sd_bus_message *m, const char *types, ...);
234 int sd_bus_message_append_basic(sd_bus_message *m, char type, const void *p);
235 int sd_bus_message_append_array(sd_bus_message *m, char type, const void *ptr, size_t size);
236 int sd_bus_message_append_array_space(sd_bus_message *m, char type, size_t size, void **ptr);
237 int sd_bus_message_append_array_iovec(sd_bus_message *m, char type, const struct iovec *iov, unsigned n);
238 int sd_bus_message_append_array_memfd(sd_bus_message *m, char type, int memfd);
239 int sd_bus_message_append_string_space(sd_bus_message *m, size_t size, char **s);
240 int sd_bus_message_append_string_iovec(sd_bus_message *m, const struct iovec *iov, unsigned n);
241 int sd_bus_message_append_string_memfd(sd_bus_message *m, int memfd);
242 int sd_bus_message_append_strv(sd_bus_message *m, char **l);
243 int sd_bus_message_open_container(sd_bus_message *m, char type, const char *contents);
244 int sd_bus_message_close_container(sd_bus_message *m);
245 int sd_bus_message_copy(sd_bus_message *m, sd_bus_message *source, int all);
247 int sd_bus_message_read(sd_bus_message *m, const char *types, ...);
248 int sd_bus_message_read_basic(sd_bus_message *m, char type, void *p);
249 int sd_bus_message_read_array(sd_bus_message *m, char type, const void **ptr, size_t *size);
250 int sd_bus_message_read_strv(sd_bus_message *m, char ***l); /* free the result! */
251 int sd_bus_message_skip(sd_bus_message *m, const char *types);
252 int sd_bus_message_enter_container(sd_bus_message *m, char type, const char *contents);
253 int sd_bus_message_exit_container(sd_bus_message *m);
254 int sd_bus_message_peek_type(sd_bus_message *m, char *type, const char **contents);
255 int sd_bus_message_verify_type(sd_bus_message *m, char type, const char *contents);
256 int sd_bus_message_at_end(sd_bus_message *m, int complete);
257 int sd_bus_message_rewind(sd_bus_message *m, int complete);
261 int sd_bus_get_unique_name(sd_bus *bus, const char **unique);
262 int sd_bus_request_name(sd_bus *bus, const char *name, uint64_t flags);
263 int sd_bus_release_name(sd_bus *bus, const char *name);
264 int sd_bus_list_names(sd_bus *bus, char ***acquired, char ***activatable); /* free the results */
265 int sd_bus_get_name_creds(sd_bus *bus, const char *name, uint64_t mask, sd_bus_creds **creds); /* unref the result! */
266 int sd_bus_get_name_machine_id(sd_bus *bus, const char *name, sd_id128_t *machine);
268 /* Convenience calls */
270 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, ...);
271 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);
272 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);
273 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! */
274 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! */
275 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, ...);
277 int sd_bus_reply_method_return(sd_bus_message *call, const char *types, ...);
278 int sd_bus_reply_method_error(sd_bus_message *call, const sd_bus_error *e);
279 int sd_bus_reply_method_errorf(sd_bus_message *call, const char *name, const char *format, ...) _sd_printf_(3, 4);
280 int sd_bus_reply_method_errno(sd_bus_message *call, int error, const sd_bus_error *e);
281 int sd_bus_reply_method_errnof(sd_bus_message *call, int error, const char *format, ...) _sd_printf_(3, 4);
283 int sd_bus_emit_signal(sd_bus *bus, const char *path, const char *interface, const char *member, const char *types, ...);
285 int sd_bus_emit_properties_changed_strv(sd_bus *bus, const char *path, const char *interface, char **names);
286 int sd_bus_emit_properties_changed(sd_bus *bus, const char *path, const char *interface, const char *name, ...) _sd_sentinel_;
288 int sd_bus_emit_interfaces_added_strv(sd_bus *bus, const char *path, char **interfaces);
289 int sd_bus_emit_interfaces_added(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
290 int sd_bus_emit_interfaces_removed_strv(sd_bus *bus, const char *path, char **interfaces);
291 int sd_bus_emit_interfaces_removed(sd_bus *bus, const char *path, const char *interface, ...) _sd_sentinel_;
293 int sd_bus_query_sender_creds(sd_bus_message *call, uint64_t mask, sd_bus_creds **creds);
294 int sd_bus_query_sender_privilege(sd_bus_message *call, int capability);
296 /* Credential handling */
298 int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t creds_mask);
299 sd_bus_creds *sd_bus_creds_ref(sd_bus_creds *c);
300 sd_bus_creds *sd_bus_creds_unref(sd_bus_creds *c);
301 uint64_t sd_bus_creds_get_mask(const sd_bus_creds *c);
303 int sd_bus_creds_get_pid(sd_bus_creds *c, pid_t *pid);
304 int sd_bus_creds_get_pid_starttime(sd_bus_creds *c, uint64_t *usec);
305 int sd_bus_creds_get_tid(sd_bus_creds *c, pid_t *tid);
306 int sd_bus_creds_get_uid(sd_bus_creds *c, uid_t *uid);
307 int sd_bus_creds_get_gid(sd_bus_creds *c, gid_t *gid);
308 int sd_bus_creds_get_comm(sd_bus_creds *c, const char **comm);
309 int sd_bus_creds_get_tid_comm(sd_bus_creds *c, const char **comm);
310 int sd_bus_creds_get_exe(sd_bus_creds *c, const char **exe);
311 int sd_bus_creds_get_cmdline(sd_bus_creds *c, char ***cmdline);
312 int sd_bus_creds_get_cgroup(sd_bus_creds *c, const char **cgroup);
313 int sd_bus_creds_get_unit(sd_bus_creds *c, const char **unit);
314 int sd_bus_creds_get_user_unit(sd_bus_creds *c, const char **unit);
315 int sd_bus_creds_get_slice(sd_bus_creds *c, const char **slice);
316 int sd_bus_creds_get_session(sd_bus_creds *c, const char **session);
317 int sd_bus_creds_get_owner_uid(sd_bus_creds *c, uid_t *uid);
318 int sd_bus_creds_has_effective_cap(sd_bus_creds *c, int capability);
319 int sd_bus_creds_has_permitted_cap(sd_bus_creds *c, int capability);
320 int sd_bus_creds_has_inheritable_cap(sd_bus_creds *c, int capability);
321 int sd_bus_creds_has_bounding_cap(sd_bus_creds *c, int capability);
322 int sd_bus_creds_get_selinux_context(sd_bus_creds *c, const char **context);
323 int sd_bus_creds_get_audit_session_id(sd_bus_creds *c, uint32_t *sessionid);
324 int sd_bus_creds_get_audit_login_uid(sd_bus_creds *c, uid_t *loginuid);
325 int sd_bus_creds_get_unique_name(sd_bus_creds *c, const char **name);
326 int sd_bus_creds_get_well_known_names(sd_bus_creds *c, char ***names);
327 int sd_bus_creds_get_description(sd_bus_creds *c, const char **name);
329 /* Error structures */
331 struct sd_bus_name_error_mapping {
335 typedef struct sd_bus_name_error_mapping sd_bus_name_error_mapping;
337 #define SD_BUS_ERROR_MAKE_CONST(name, message) ((const sd_bus_error) {(name), (message), 0})
338 #define SD_BUS_ERROR_NULL SD_BUS_ERROR_MAKE_CONST(NULL, NULL)
340 #ifndef SD_BUS_ERROR_MAPPING
341 # define _SD_BUS_ERROR_XCONCAT(x, y) x ## y
342 # define _SD_BUS_ERROR_CONCAT(x, y) _SD_BUS_ERROR_XCONCAT(x, y)
343 # define SD_BUS_ERROR_MAPPING(name) \
344 __attribute((__section__("sd_bus_errnomap"))) \
345 __attribute((__used__)) \
346 const sd_bus_name_error_mapping _SD_BUS_ERROR_CONCAT(_sd_bus_errno_mapping_, name)[]
347 # define SD_BUS_ERROR_MAPPING_USE(name) \
349 const sd_bus_name_error_mapping _SD_BUS_ERROR_CONCAT(_sd_bus_errno_mapping_, name)[]; \
350 __attribute((__used__)) \
351 static const sd_bus_name_error_mapping* \
352 _SD_BUS_ERROR_CONCAT(sd_bus_name_error_mapping_ref, __COUNTER__) \
353 = _SD_BUS_ERROR_CONCAT(_sd_bus_errno_mapping_, name);
357 void sd_bus_error_free(sd_bus_error *e);
358 int sd_bus_error_set(sd_bus_error *e, const char *name, const char *message);
359 int sd_bus_error_setf(sd_bus_error *e, const char *name, const char *format, ...) _sd_printf_(3, 4);
360 int sd_bus_error_set_const(sd_bus_error *e, const char *name, const char *message);
361 int sd_bus_error_set_errno(sd_bus_error *e, int error);
362 int sd_bus_error_set_errnof(sd_bus_error *e, int error, const char *format, ...) _sd_printf_(3, 4);
363 int sd_bus_error_get_errno(const sd_bus_error *e);
364 int sd_bus_error_copy(sd_bus_error *dest, const sd_bus_error *e);
365 int sd_bus_error_is_set(const sd_bus_error *e);
366 int sd_bus_error_has_name(const sd_bus_error *e, const char *name);
368 /* Auxiliary macros */
370 #define SD_BUS_MESSAGE_APPEND_ID128(x) 16, \
371 (x).bytes[0], (x).bytes[1], (x).bytes[2], (x).bytes[3], \
372 (x).bytes[4], (x).bytes[5], (x).bytes[6], (x).bytes[7], \
373 (x).bytes[8], (x).bytes[9], (x).bytes[10], (x).bytes[11], \
374 (x).bytes[12], (x).bytes[13], (x).bytes[14], (x).bytes[15]
376 #define SD_BUS_MESSAGE_READ_ID128(x) 16, \
377 &(x).bytes[0], &(x).bytes[1], &(x).bytes[2], &(x).bytes[3], \
378 &(x).bytes[4], &(x).bytes[5], &(x).bytes[6], &(x).bytes[7], \
379 &(x).bytes[8], &(x).bytes[9], &(x).bytes[10], &(x).bytes[11], \
380 &(x).bytes[12], &(x).bytes[13], &(x).bytes[14], &(x).bytes[15]
384 int sd_bus_path_encode(const char *prefix, const char *external_id, char **ret_path);
385 int sd_bus_path_decode(const char *path, const char *prefix, char **ret_external_id);
389 int sd_bus_track_new(sd_bus *bus, sd_bus_track **track, sd_bus_track_handler_t handler, void *userdata);
390 sd_bus_track* sd_bus_track_ref(sd_bus_track *track);
391 sd_bus_track* sd_bus_track_unref(sd_bus_track *track);
393 sd_bus* sd_bus_track_get_bus(sd_bus_track *track);
394 void *sd_bus_track_get_userdata(sd_bus_track *track);
395 void *sd_bus_track_set_userdata(sd_bus_track *track, void *userdata);
397 int sd_bus_track_add_sender(sd_bus_track *track, sd_bus_message *m);
398 int sd_bus_track_remove_sender(sd_bus_track *track, sd_bus_message *m);
399 int sd_bus_track_add_name(sd_bus_track *track, const char *name);
400 int sd_bus_track_remove_name(sd_bus_track *track, const char *name);
402 unsigned sd_bus_track_count(sd_bus_track *track);
403 const char* sd_bus_track_contains(sd_bus_track *track, const char *names);
404 const char* sd_bus_track_first(sd_bus_track *track);
405 const char* sd_bus_track_next(sd_bus_track *track);
407 _SD_END_DECLARATIONS;