4 This file is part of systemd.
6 Copyright 2013 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
26 //#include "install.h"
27 #include "string-util.h"
28 #include "time-util.h"
30 typedef enum BusTransport {
33 BUS_TRANSPORT_MACHINE,
35 _BUS_TRANSPORT_INVALID = -1
38 typedef int (*bus_property_set_t) (sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
40 struct bus_properties_map {
42 const char *signature;
43 bus_property_set_t set;
47 int bus_map_id128(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata);
49 int bus_message_map_all_properties(sd_bus_message *m, const struct bus_properties_map *map, void *userdata);
50 #if 0 /// UNNEEDED by elogind
51 int bus_message_map_properties_changed(sd_bus_message *m, const struct bus_properties_map *map, void *userdata);
53 int bus_map_all_properties(sd_bus *bus, const char *destination, const char *path, const struct bus_properties_map *map, void *userdata);
55 #if 0 /// UNNEEDED by elogind
56 int bus_async_unregister_and_exit(sd_event *e, sd_bus *bus, const char *name);
59 typedef bool (*check_idle_t)(void *userdata);
61 #if 0 /// UNNEEDED by elogind
62 int bus_event_loop_with_idle(sd_event *e, sd_bus *bus, const char *name, usec_t timeout, check_idle_t check_idle, void *userdata);
65 int bus_name_has_owner(sd_bus *c, const char *name, sd_bus_error *error);
67 #if 0 /// UNNEEDED by elogind
68 int bus_check_peercred(sd_bus *c);
71 int bus_test_polkit(sd_bus_message *call, int capability, const char *action, const char **details, uid_t good_user, bool *_challenge, sd_bus_error *e);
73 int bus_verify_polkit_async(sd_bus_message *call, int capability, const char *action, const char **details, bool interactive, uid_t good_user, Hashmap **registry, sd_bus_error *error);
74 void bus_verify_polkit_async_registry_free(Hashmap *registry);
76 #if 0 /// UNNEEDED by elogind
77 int bus_open_system_systemd(sd_bus **_bus);
78 int bus_open_user_systemd(sd_bus **_bus);
81 int bus_connect_transport(BusTransport transport, const char *host, bool user, sd_bus **bus);
82 #if 0 /// UNNEEDED by elogind
83 bus_connect_transport_systemd(BusTransport transport, const char *host, bool user, sd_bus **bus);
86 int bus_print_property(const char *name, sd_bus_message *property, bool all);
87 int bus_print_all_properties(sd_bus *bus, const char *dest, const char *path, char **filter, bool all);
89 int bus_property_get_bool(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
91 #define bus_property_get_usec ((sd_bus_property_get_t) NULL)
92 #define bus_property_set_usec ((sd_bus_property_set_t) NULL)
94 assert_cc(sizeof(int) == sizeof(int32_t));
95 #define bus_property_get_int ((sd_bus_property_get_t) NULL)
97 assert_cc(sizeof(unsigned) == sizeof(unsigned));
98 #define bus_property_get_unsigned ((sd_bus_property_get_t) NULL)
100 /* On 64bit machines we can use the default serializer for size_t and
101 * friends, otherwise we need to cast this manually */
102 #if __SIZEOF_SIZE_T__ == 8
103 #define bus_property_get_size ((sd_bus_property_get_t) NULL)
105 int bus_property_get_size(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
108 #if __SIZEOF_LONG__ == 8
109 #define bus_property_get_long ((sd_bus_property_get_t) NULL)
110 #define bus_property_get_ulong ((sd_bus_property_get_t) NULL)
112 int bus_property_get_long(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
113 int bus_property_get_ulong(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);
116 /* uid_t and friends on Linux 32 bit. This means we can just use the
117 * default serializer for 32bit unsigned, for serializing it, and map
119 assert_cc(sizeof(uid_t) == sizeof(uint32_t));
120 #define bus_property_get_uid ((sd_bus_property_get_t) NULL)
122 assert_cc(sizeof(gid_t) == sizeof(uint32_t));
123 #define bus_property_get_gid ((sd_bus_property_get_t) NULL)
125 assert_cc(sizeof(pid_t) == sizeof(uint32_t));
126 #define bus_property_get_pid ((sd_bus_property_get_t) NULL)
128 assert_cc(sizeof(mode_t) == sizeof(uint32_t));
129 #define bus_property_get_mode ((sd_bus_property_get_t) NULL)
131 int bus_log_parse_error(int r);
132 int bus_log_create_error(int r);
134 #if 0 /// UNNEEDED by elogind
135 typedef struct UnitInfo {
138 const char *description;
139 const char *load_state;
140 const char *active_state;
141 const char *sub_state;
142 const char *following;
143 const char *unit_path;
145 const char *job_type;
146 const char *job_path;
149 int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u);
152 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_unref);
153 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus*, sd_bus_flush_close_unref);
154 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_slot*, sd_bus_slot_unref);
155 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_message*, sd_bus_message_unref);
156 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_creds*, sd_bus_creds_unref);
157 DEFINE_TRIVIAL_CLEANUP_FUNC(sd_bus_track*, sd_bus_track_unref);
159 #define _cleanup_bus_unref_ _cleanup_(sd_bus_unrefp)
160 #define _cleanup_bus_flush_close_unref_ _cleanup_(sd_bus_flush_close_unrefp)
161 #define _cleanup_bus_slot_unref_ _cleanup_(sd_bus_slot_unrefp)
162 #define _cleanup_bus_message_unref_ _cleanup_(sd_bus_message_unrefp)
163 #define _cleanup_bus_creds_unref_ _cleanup_(sd_bus_creds_unrefp)
164 #define _cleanup_bus_track_unref_ _cleanup_(sd_bus_slot_unrefp)
165 #define _cleanup_bus_error_free_ _cleanup_(sd_bus_error_free)
167 #define BUS_DEFINE_PROPERTY_GET_ENUM(function, name, type) \
168 int function(sd_bus *bus, \
170 const char *interface, \
171 const char *property, \
172 sd_bus_message *reply, \
174 sd_bus_error *error) { \
177 type *field = userdata; \
184 value = strempty(name##_to_string(*field)); \
186 r = sd_bus_message_append_basic(reply, 's', value); \
192 struct __useless_struct_to_allow_trailing_semicolon__
194 #define BUS_PROPERTY_DUAL_TIMESTAMP(name, offset, flags) \
195 SD_BUS_PROPERTY(name, "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, realtime), (flags)), \
196 SD_BUS_PROPERTY(name "Monotonic", "t", bus_property_get_usec, (offset) + offsetof(struct dual_timestamp, monotonic), (flags))
198 #if 0 /// UNNEEDED by elogind
199 int bus_append_unit_property_assignment(sd_bus_message *m, const char *assignment);
201 typedef struct BusWaitForJobs BusWaitForJobs;
203 int bus_wait_for_jobs_new(sd_bus *bus, BusWaitForJobs **ret);
204 void bus_wait_for_jobs_free(BusWaitForJobs *d);
205 int bus_wait_for_jobs_add(BusWaitForJobs *d, const char *path);
206 int bus_wait_for_jobs(BusWaitForJobs *d, bool quiet, const char *extra_args);
207 int bus_wait_for_jobs_one(BusWaitForJobs *d, const char *path, bool quiet);
209 DEFINE_TRIVIAL_CLEANUP_FUNC(BusWaitForJobs*, bus_wait_for_jobs_free);
211 int bus_deserialize_and_dump_unit_file_changes(sd_bus_message *m, bool quiet, UnitFileChange **changes, unsigned *n_changes);
213 int bus_path_encode_unique(sd_bus *b, const char *prefix, const char *sender_id, const char *external_id, char **ret_path);
214 int bus_path_decode_unique(const char *path, const char *prefix, char **ret_sender, char **ret_external);
217 bool is_kdbus_wanted(void);
218 bool is_kdbus_available(void);
220 #if 0 /// UNNEEDED by elogind
221 int bus_property_get_rlimit(sd_bus *bus, const char *path, const char *interface, const char *property, sd_bus_message *reply, void *userdata, sd_bus_error *error);